/[CvsGraph]/cvsgraph/cvsgraph.c
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Revision 1.61 - (hide annotations)
Sat Jul 8 13:51:45 2006 UTC (11 years, 3 months ago) by bertho
Branch: MAIN
Changes since 1.60: +52 -6 lines
File MIME type: text/plain
Do a better job drawing merge lines between branches that originate from the same parent branch by originating the lines to the right/bottom.
1 bertho 1.1 /*
2     * CvsGraph graphical representation generator of brances and revisions
3     * of a file in cvs/rcs.
4     *
5 bertho 1.47 * Copyright (C) 2001,2002,2003,2004 B. Stultiens
6 bertho 1.1 *
7     * This program is free software; you can redistribute it and/or modify
8     * it under the terms of the GNU General Public License as published by
9     * the Free Software Foundation; either version 2 of the License, or
10     * (at your option) any later version.
11     *
12     * This program is distributed in the hope that it will be useful,
13     * but WITHOUT ANY WARRANTY; without even the implied warranty of
14     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15     * GNU General Public License for more details.
16     *
17     * You should have received a copy of the GNU General Public License
18     * along with this program; if not, write to the Free Software
19     * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20     */
21    
22 bertho 1.14 #include "config.h"
23    
24 bertho 1.1 #include <stdio.h>
25     #include <stdlib.h>
26 bertho 1.44 #include <stdarg.h>
27 bertho 1.1 #include <unistd.h>
28     #include <string.h>
29     #include <assert.h>
30     #include <sys/types.h>
31     #include <sys/stat.h>
32 bertho 1.45 #ifdef HAVE_SYS_WAIT_H
33     # include <sys/wait.h>
34     #endif
35 bertho 1.1 #include <fcntl.h>
36     #include <regex.h>
37     #include <errno.h>
38 bertho 1.8 #include <ctype.h>
39 bertho 1.9 #include <time.h>
40 bertho 1.18 #include <limits.h>
41 bertho 1.35 #include <math.h>
42 bertho 1.9
43 bertho 1.14 #ifdef HAVE_GETOPT_H
44     # include <getopt.h>
45     #endif
46    
47 bertho 1.1 #include <gd.h>
48     #include <gdfontt.h>
49    
50     #include "cvsgraph.h"
51     #include "utils.h"
52     #include "readconf.h"
53 bertho 1.7 #include "rcs.h"
54 bertho 1.1
55 bertho 1.5 #if !defined(HAVE_IMAGE_GIF) && !defined(HAVE_IMAGE_PNG) && !defined(HAVE_IMAGE_JPEG)
56     # error No image output format available. Check libgd
57     #endif
58    
59    
60 bertho 1.21 /*#define DEBUG 1*/
61 bertho 1.19 /*#define NOGDFILL 1*/
62 bertho 1.26 /*#define DEBUG_IMAGEMAP 1*/
63 bertho 1.19
64 bertho 1.32 #define LOOPSAFEGUARD 10000 /* Max itterations in possible infinite loops */
65 bertho 1.1
66     #ifndef MAX
67     # define MAX(a,b) ((a) > (b) ? (a) : (b))
68     #endif
69    
70     #ifndef MIN
71     # define MIN(a,b) ((a) < (b) ? (a) : (b))
72     #endif
73    
74     #define ALIGN_HL 0x00
75     #define ALIGN_HC 0x01
76     #define ALIGN_HR 0x02
77 bertho 1.9 #define ALIGN_HX 0x0f
78 bertho 1.1 #define ALIGN_VT 0x00
79     #define ALIGN_VC 0x10
80     #define ALIGN_VB 0x20
81     #define ALIGN_VX 0xf0
82 bertho 1.9
83 bertho 1.35 #ifndef M_PI /* math.h should have defined this */
84     # define M_PI 3.14159265358979323846
85     #endif
86     #define ROUND(f) ((f >= 0.0)?((int)(f + 0.5)):((int)(f - 0.5)))
87    
88     #define ARROW_LENGTH 12 /* Default arrow dimensions */
89     #define ARROW_WIDTH 3
90    
91 bertho 1.1 /*
92     **************************************************************************
93     * Globals
94     **************************************************************************
95     */
96    
97     config_t conf;
98 bertho 1.7 int debuglevel;
99 bertho 1.44
100 bertho 1.60 static color_t white_color = {255, 255, 255, 0, NULL};
101     static color_t black_color = {0, 0, 0, 0, NULL};
102 bertho 1.44
103     static branch_t *subtree_branch = NULL; /* Set to the (first) subtree branch that we want to show */
104     static revision_t *subtree_rev = NULL; /* Set to the subtree revision which branches we want to show */
105    
106     static msg_stack_t *msg_stack = NULL; /* Messages that would otherwise be sent to stderr goto the image */
107     static int nmsg_stack = 0;
108 bertho 1.9
109 bertho 1.30 /*
110     **************************************************************************
111     * Forwards
112     **************************************************************************
113     */
114     static void zap_string(void);
115     static char *dup_string(void);
116     static void add_string_str(const char *s);
117     static void add_string_ch(int ch);
118     static void add_string_date(const char *d);
119     static void add_string_str_html(const char *s, int maxlen);
120     static void add_string_str_len(const char *s, int maxlen);
121 bertho 1.1
122 bertho 1.44 static void calc_subtree_size(branch_t *b, int *x, int *y, int *w, int *h);
123    
124 bertho 1.1 /*
125     **************************************************************************
126 bertho 1.17 * Debug routines
127 bertho 1.1 **************************************************************************
128     */
129 bertho 1.19 static void dump_rev(char *p, rev_t *r)
130 bertho 1.1 {
131 bertho 1.7 printf("%s", p);
132     if(r)
133     printf("'%s', '%s', %d\n", r->rev, r->branch, r->isbranch);
134     else
135     printf("<null>\n");
136 bertho 1.1 }
137    
138 bertho 1.19 static void dump_id(char *p, char *d)
139 bertho 1.1 {
140 bertho 1.7 printf("%s", p);
141     if(d)
142     printf("'%s'\n", d);
143     else
144     printf("<null>\n");
145 bertho 1.1 }
146    
147 bertho 1.19 static void dump_idrev(char *p, idrev_t *t)
148 bertho 1.1 {
149 bertho 1.7 printf("%s", p);
150     if(t)
151 bertho 1.1 {
152 bertho 1.7 printf("'%s' -> ", t->id);
153     dump_rev("", t->rev);
154 bertho 1.1 }
155     else
156 bertho 1.7 printf("<null>\n");
157 bertho 1.1 }
158    
159 bertho 1.19 static void dump_tag(char *p, tag_t *t)
160 bertho 1.1 {
161 bertho 1.7 printf("%s", p);
162     if(t)
163 bertho 1.1 {
164 bertho 1.7 printf("'%s' -> ", t->tag);
165     dump_rev("", t->rev);
166 bertho 1.1 }
167 bertho 1.7 else
168     printf("<null>\n");
169 bertho 1.1 }
170    
171 bertho 1.19 static void dump_delta(char *p, delta_t *d)
172 bertho 1.1 {
173 bertho 1.7 int i;
174     printf("%sdelta.rev : ", p);
175     dump_rev("", d->rev);
176     printf("%sdelta.date : %s\n", p, d->date);
177     printf("%sdelta.author: %s\n", p, d->author);
178     printf("%sdelta.state : %s\n", p, d->state);
179     for(i = 0; d->branches && i < d->branches->nrevs; i++)
180 bertho 1.1 {
181 bertho 1.7 printf("%sdelta.branch: ", p);
182     dump_rev("", d->branches->revs[i]);
183 bertho 1.1 }
184 bertho 1.7 printf("%sdelta.next : ", p);
185     dump_rev("", d->next);
186     printf("\n");
187 bertho 1.1 }
188    
189 bertho 1.19 static void dump_dtext(char *p, dtext_t *d)
190 bertho 1.1 {
191 bertho 1.7 printf("%sdtext.rev : ", p);
192     dump_rev("", d->rev);
193     printf("%sdtext.log : %d bytes\n", p, d->log ? strlen(d->log) : -1);
194     printf("%sdtext.text : %d bytes\n", p, d->text ? strlen(d->text) : -1);
195     printf("\n");
196 bertho 1.1 }
197    
198 bertho 1.19 static void dump_rcsfile(rcsfile_t *rcs)
199 bertho 1.1 {
200 bertho 1.7 int i;
201     printf("root : '%s'\n", rcs->root);
202     printf("module : '%s'\n", rcs->module);
203     printf("file : '%s'\n", rcs->file);
204     dump_rev("head : ", rcs->head);
205     dump_rev("branch : ", rcs->branch);
206     printf("access :\n");
207     for(i = 0; rcs->access && i < rcs->access->nids; i++)
208     dump_id("\t", rcs->access->ids[i]);
209     printf("tags :\n");
210     for(i = 0; rcs->tags && i < rcs->tags->ntags; i++)
211     dump_tag("\t", rcs->tags->tags[i]);
212     printf("locks :%s\n", rcs->strict ? " (strict)" : "");
213     for(i = 0; rcs->locks && i < rcs->locks->nidrevs; i++)
214     dump_idrev("\t", rcs->locks->idrevs[i]);
215     printf("comment: '%s'\n", rcs->comment);
216     printf("expand : '%s'\n", rcs->expand ? rcs->expand : "(default -kv)");
217     printf("deltas :\n");
218     for(i = 0; rcs->deltas && i < rcs->deltas->ndeltas; i++)
219     dump_delta("\t", rcs->deltas->deltas[i]);
220     printf("desc : '%s'\n", rcs->desc);
221     printf("dtexts :\n");
222     for(i = 0; rcs->dtexts && i < rcs->dtexts->ndtexts; i++)
223     dump_dtext("\t", rcs->dtexts->dtexts[i]);
224    
225     fflush(stdout);
226 bertho 1.1 }
227    
228 bertho 1.7 /*
229     **************************************************************************
230 bertho 1.44 * Error/Warning Message helpers
231     **************************************************************************
232     */
233     #define MSGBUFSIZE 256
234     void stack_msg(int severity, const char *fmt, ...)
235     {
236     va_list va;
237     int i;
238     char *buf = xmalloc(MSGBUFSIZE);
239     switch(severity)
240     {
241     case MSG_WARN: sprintf(buf, "Warning: "); break;
242     case MSG_ERR: sprintf(buf, "Error: "); break;
243     default: sprintf(buf, "Unqualified error: "); break;
244     }
245     i = strlen(buf);
246     assert(i < MSGBUFSIZE);
247     va_start(va, fmt);
248     vsnprintf(buf+i, MSGBUFSIZE-i, fmt, va);
249     va_end(va);
250     if(!msg_stack)
251     msg_stack = xmalloc(sizeof(*msg_stack));
252     else
253     {
254     msg_stack = xrealloc(msg_stack, (nmsg_stack+1)*sizeof(*msg_stack));
255     }
256     msg_stack[nmsg_stack].msg = buf;
257     msg_stack[nmsg_stack].severity = severity;
258     nmsg_stack++;
259     }
260    
261     /*
262     **************************************************************************
263 bertho 1.7 * Read the rcs file
264     **************************************************************************
265     */
266 bertho 1.44 static rcsfile_t *get_rcsfile(const char *cvsroot, const char *module, const char *file)
267 bertho 1.1 {
268 bertho 1.7 char *cmd = NULL;
269     int rv;
270 bertho 1.1
271 bertho 1.18 if(file)
272 bertho 1.9 {
273 bertho 1.18 cmd = xmalloc(strlen(cvsroot) + strlen(module) + strlen(file) + 1);
274     sprintf(cmd, "%s%s%s", cvsroot, module, file);
275     if(!(rcsin = fopen(cmd, "rb")))
276     {
277     perror(cmd);
278     return NULL;
279     }
280     input_file = cmd;
281     }
282     else
283     {
284     rcsin = stdin;
285     input_file = "<stdin>";
286 bertho 1.9 }
287 bertho 1.7 line_number = 1;
288     rv = rcsparse();
289 bertho 1.18 if(file)
290     {
291     fclose(rcsin);
292     xfree(cmd);
293     }
294 bertho 1.7 if(rv)
295 bertho 1.1 return NULL;
296 bertho 1.7 input_file = NULL;
297 bertho 1.18 if(file)
298     {
299     rcsfile->root = xstrdup(cvsroot);
300     rcsfile->module = xstrdup(module);
301     rcsfile->file = xstrdup(file);
302     }
303     else
304     {
305     rcsfile->root = xstrdup("");
306     rcsfile->module = xstrdup("");
307     rcsfile->file = xstrdup("<stdin>");
308     }
309 bertho 1.7 return rcsfile;
310 bertho 1.1 }
311    
312     /*
313     **************************************************************************
314     * Sort and find helpers
315     **************************************************************************
316     */
317 bertho 1.44 static int count_dots(const char *s)
318 bertho 1.5 {
319     int i;
320     for(i = 0; *s; s++)
321     {
322     if(*s == '.')
323     i++;
324     }
325     return i;
326     }
327    
328 bertho 1.44 static int compare_rev(int bcmp, const rev_t *r1, const rev_t *r2)
329 bertho 1.5 {
330     int d1, d2;
331 bertho 1.7 char *c1, *c2;
332 bertho 1.5 char *v1, *v2;
333     char *s1, *s2;
334     int retval = 0;
335     assert(r1 != NULL);
336     assert(r2 != NULL);
337 bertho 1.7 if(bcmp)
338     {
339     assert(r1->branch != NULL);
340     assert(r2->branch != NULL);
341     c1 = r1->branch;
342     c2 = r2->branch;
343     }
344     else
345     {
346     assert(r1->rev != NULL);
347     assert(r2->rev != NULL);
348     c1 = r1->rev;
349     c2 = r2->rev;
350     }
351 bertho 1.5
352 bertho 1.7 d1 = count_dots(c1);
353     d2 = count_dots(c2);
354 bertho 1.5 if(d1 != d2)
355     {
356     return d1 - d2;
357     }
358    
359 bertho 1.7 s1 = v1 = xstrdup(c1);
360     s2 = v2 = xstrdup(c2);
361 bertho 1.5 while(1)
362     {
363     char *vc1 = strchr(s1, '.');
364     char *vc2 = strchr(s2, '.');
365     if(vc1 && vc2)
366     *vc1 = *vc2 = '\0';
367     if(*s1 && *s2)
368     {
369     d1 = atoi(s1);
370     d2 = atoi(s2);
371     if(d1 != d2)
372     {
373     retval = d1 - d2;
374     break;
375     }
376     }
377     if(!vc1 || !vc2)
378     break;
379     s1 = vc1 + 1;
380     s2 = vc2 + 1;
381     }
382     xfree(v1);
383     xfree(v2);
384     return retval;
385     }
386    
387 bertho 1.7 /*
388     **************************************************************************
389     * Reorganise the rcsfile for the branches
390     *
391     * Basically, we have a list of deltas (i.e. administrative info on
392     * revisions) and a list of delta text (the actual logs and diffs).
393     * The deltas are linked through the 'next' and the 'branches' fields
394     * which describe the tree-structure of revisions.
395     * The reorganisation means that we put each delta and corresponding
396     * delta text in a revision structure and assign it to a specific
397     * branch. This is required because we want to be able to calculate
398     * the bounding boxes of each branch. The revisions expand vertically
399     * and the branches expand horizontally.
400     * The reorganisation is performed in these steps:
401 bertho 1.17 * 1 - sort deltas and delta text on revision number for quick lookup
402 bertho 1.7 * 2 - start at the denoted head revision:
403     * * create a branch structure and add this revision
404     * * for each 'branches' in the delta do:
405     * - walk all 'branches' of the delta and recursively goto 2
406     * with the denoted branch delta as new head
407     * - backlink the newly create sub-branch to the head revision
408     * so that we can draw them recursively
409     * * set head to the 'next' field and goto 2 until no next is
410     * available
411     * 3 - update the administration
412     **************************************************************************
413     */
414 bertho 1.19 static int sort_delta(const void *d1, const void *d2)
415 bertho 1.7 {
416     return compare_rev(0, (*(delta_t **)d1)->rev, (*(delta_t **)d2)->rev);
417     }
418    
419 bertho 1.19 static int search_delta(const void *r, const void *d)
420 bertho 1.1 {
421 bertho 1.7 return compare_rev(0, (rev_t *)r, (*(delta_t **)d)->rev);
422 bertho 1.1 }
423    
424 bertho 1.19 static delta_t *find_delta(delta_t **dl, int n, rev_t *r)
425 bertho 1.1 {
426 bertho 1.7 delta_t **d;
427 bertho 1.23 if(!n)
428     return NULL;
429 bertho 1.7 d = bsearch(r, dl, n, sizeof(*dl), search_delta);
430     if(!d)
431     return NULL;
432     return *d;
433 bertho 1.1 }
434    
435 bertho 1.19 static int sort_dtext(const void *d1, const void *d2)
436 bertho 1.1 {
437 bertho 1.7 return compare_rev(0, (*(dtext_t **)d1)->rev, (*(dtext_t **)d2)->rev);
438 bertho 1.1 }
439    
440 bertho 1.19 static int search_dtext(const void *r, const void *d)
441 bertho 1.1 {
442 bertho 1.7 return compare_rev(0, (rev_t *)r, (*(dtext_t **)d)->rev);
443 bertho 1.1 }
444    
445 bertho 1.19 static dtext_t *find_dtext(dtext_t **dl, int n, rev_t *r)
446 bertho 1.1 {
447 bertho 1.7 dtext_t **d;
448 bertho 1.23 if(!n)
449     return NULL;
450 bertho 1.7 d = bsearch(r, dl, n, sizeof(*dl), search_dtext);
451     if(!d)
452 bertho 1.1 return NULL;
453 bertho 1.7 return *d;
454     }
455    
456 bertho 1.19 static rev_t *dup_rev(const rev_t *r)
457 bertho 1.7 {
458     rev_t *t = xmalloc(sizeof(*t));
459     t->rev = xstrdup(r->rev);
460     t->branch = xstrdup(r->branch);
461     t->isbranch = r->isbranch;
462     return t;
463     }
464    
465 bertho 1.19 static branch_t *new_branch(delta_t *d, dtext_t *t)
466 bertho 1.7 {
467     branch_t *b = xmalloc(sizeof(*b));
468     revision_t *r = xmalloc(sizeof(*r));
469     r->delta = d;
470     r->dtext = t;
471     r->rev = d->rev;
472     r->branch = b;
473     b->branch = dup_rev(d->rev);
474     b->branch->isbranch = 1;
475     b->nrevs = 1;
476     b->revs = xmalloc(sizeof(b->revs[0]));
477     b->revs[0] = r;
478     return b;
479     }
480    
481 bertho 1.19 static revision_t *add_to_branch(branch_t *b, delta_t *d, dtext_t *t)
482 bertho 1.7 {
483     revision_t *r = xmalloc(sizeof(*r));
484     r->delta = d;
485     r->dtext = t;
486     r->rev = d->rev;
487     r->branch = b;
488     b->revs = xrealloc(b->revs, (b->nrevs+1) * sizeof(b->revs[0]));
489     b->revs[b->nrevs] = r;
490     b->nrevs++;
491     return r;
492     }
493    
494 bertho 1.47 static int sort_branch_height(const void *b1, const void *b2)
495     {
496     return (*(branch_t **)b1)->nrevs - (*(branch_t **)b2)->nrevs;
497     }
498    
499 bertho 1.44 static void build_branch(branch_t ***bl, int *nbl, delta_t **sdl, int nsdl, dtext_t **sdt, int nsdt, delta_t *head)
500 bertho 1.7 {
501     branch_t *b;
502     dtext_t *text;
503     revision_t *currev;
504    
505     assert(head != NULL);
506    
507     if(head->flag)
508     {
509 bertho 1.44 stack_msg(MSG_ERR, "Circular reference on '%s' in branchpoint\n", head->rev->rev);
510 bertho 1.7 return;
511     }
512     head->flag++;
513     text = find_dtext(sdt, nsdt, head->rev);
514    
515     /* Create a new branch for this head */
516     b = new_branch(head, text);
517     *bl = xrealloc(*bl, (*nbl+1)*sizeof((*bl)[0]));
518     (*bl)[*nbl] = b;
519     (*nbl)++;
520     currev = b->revs[0];
521     while(1)
522     {
523     /* Process all sub-branches */
524     if(head->branches)
525     {
526     int i;
527     for(i = 0; i < head->branches->nrevs; i++)
528     {
529     delta_t *d = find_delta(sdl, nsdl, head->branches->revs[i]);
530     int btag = *nbl;
531     if(!d)
532     continue;
533     build_branch(bl, nbl, sdl, nsdl, sdt, nsdt, d);
534    
535     /* Set the new branch's origin */
536     (*bl)[btag]->branchpoint = currev;
537    
538     /* Add branch to this revision */
539     currev->branches = xrealloc(currev->branches, (currev->nbranches+1)*sizeof(currev->branches[0]));
540     currev->branches[currev->nbranches] = (*bl)[btag];
541     currev->nbranches++;
542     }
543 bertho 1.47 if(conf.branch_resort)
544     qsort(currev->branches, currev->nbranches, sizeof(currev->branches[0]), sort_branch_height);
545 bertho 1.7 }
546    
547     /* Walk through the next list */
548     if(!head->next)
549     return;
550 bertho 1.9
551 bertho 1.7 head = find_delta(sdl, nsdl, head->next);
552     if(!head)
553     {
554 bertho 1.44 stack_msg(MSG_ERR, "Next revision (%s) not found in deltalist\n", head->next->rev);
555 bertho 1.7 return;
556     }
557     if(head->flag)
558     {
559 bertho 1.44 stack_msg(MSG_ERR, "Circular reference on '%s'\n", head->rev->rev);
560 bertho 1.7 return;
561     }
562     head->flag++;
563     text = find_dtext(sdt, nsdt, head->rev);
564     currev = add_to_branch(b, head, text);
565     }
566     }
567    
568     int reorganise_branches(rcsfile_t *rcs)
569     {
570     delta_t **sdelta;
571     int nsdelta;
572     dtext_t **sdtext;
573     int nsdtext;
574     delta_t *head;
575     branch_t **bl;
576     int nbl;
577     int i;
578    
579     assert(rcs->deltas != NULL);
580     assert(rcs->head != NULL);
581    
582     /* Make a new list for quick lookup */
583     nsdelta = rcs->deltas->ndeltas;
584     sdelta = xmalloc(nsdelta * sizeof(sdelta[0]));
585     memcpy(sdelta, rcs->deltas->deltas, nsdelta * sizeof(sdelta[0]));
586     qsort(sdelta, nsdelta, sizeof(sdelta[0]), sort_delta);
587    
588     /* Do the same for the delta text */
589 bertho 1.22 if(rcs->dtexts)
590     {
591     nsdtext = rcs->dtexts->ndtexts;
592     sdtext = xmalloc(nsdtext * sizeof(sdtext[0]));
593     memcpy(sdtext, rcs->dtexts->dtexts, nsdtext * sizeof(sdtext[0]));
594     qsort(sdtext, nsdtext, sizeof(sdtext[0]), sort_dtext);
595     }
596     else
597     {
598     nsdtext = 0;
599     sdtext = NULL;
600     }
601 bertho 1.7
602     /* Start from the head of the trunk */
603     head = find_delta(sdelta, nsdelta, rcs->head);
604     if(!head)
605     {
606 bertho 1.44 stack_msg(MSG_ERR, "Head revision (%s) not found in deltalist\n", rcs->head->rev);
607 bertho 1.7 return 0;
608     }
609     bl = NULL;
610     nbl = 0;
611     build_branch(&bl, &nbl, sdelta, nsdelta, sdtext, nsdtext, head);
612    
613     /* Reverse the head branch */
614     for(i = 0; i < bl[0]->nrevs/2; i++)
615     {
616     revision_t *r;
617     r = bl[0]->revs[i];
618     bl[0]->revs[i] = bl[0]->revs[bl[0]->nrevs-i-1];
619     bl[0]->revs[bl[0]->nrevs-i-1] = r;
620     }
621    
622     /* Update the branch-number of the head because it was reversed */
623     xfree(bl[0]->branch->branch);
624     bl[0]->branch->branch = xstrdup(bl[0]->revs[0]->rev->branch);
625    
626     /* Keep the admin */
627     rcs->branches = bl;
628     rcs->nbranches = nbl;
629     rcs->sdelta = sdelta;
630     rcs->nsdelta = nsdelta;
631     rcs->sdtext = sdtext;
632     rcs->nsdtext = nsdtext;
633     rcs->active = bl[0];
634     return 1;
635     }
636    
637     /*
638     **************************************************************************
639     * Assign the symbolic tags to the revisions and branches
640     *
641     * The tags point to revision numbers somewhere in the tree structure
642     * of branches and revisions. First we make a sorted list of all
643     * revisions and then we assign each tag to the proper revision.
644     **************************************************************************
645     */
646 bertho 1.19 static int sort_revision(const void *r1, const void *r2)
647 bertho 1.7 {
648     return compare_rev(0, (*(revision_t **)r1)->delta->rev, (*(revision_t **)r2)->delta->rev);
649     }
650    
651 bertho 1.19 static int search_revision(const void *t, const void *r)
652 bertho 1.7 {
653     return compare_rev(0, (rev_t *)t, (*(revision_t **)r)->delta->rev);
654     }
655    
656 bertho 1.19 static int sort_branch(const void *b1, const void *b2)
657 bertho 1.7 {
658     return compare_rev(1, (*(branch_t **)b1)->branch, (*(branch_t **)b2)->branch);
659 bertho 1.1 }
660    
661 bertho 1.19 static int search_branch(const void *t, const void *b)
662 bertho 1.1 {
663 bertho 1.7 return compare_rev(1, (rev_t *)t, (*(branch_t **)b)->branch);
664 bertho 1.1 }
665    
666 bertho 1.19 static char *previous_rev(const char *c)
667 bertho 1.1 {
668 bertho 1.7 int dots = count_dots(c);
669     char *cptr;
670     char *r;
671     if(!dots)
672 bertho 1.9 {
673 bertho 1.44 stack_msg(MSG_ERR, "FIXME: previous_rev(\"%s\"): Cannot determine parent branch revision\n", c);
674 bertho 1.7 return xstrdup("1.0"); /* FIXME: don't know what the parent is */
675 bertho 1.9 }
676 bertho 1.7 if(dots & 1)
677     {
678     /* Is is a revision we want the parent of */
679     r = xstrdup(c);
680     cptr = strrchr(r, '.');
681     assert(cptr != NULL);
682     if(dots == 1)
683     {
684 bertho 1.44 stack_msg(MSG_ERR, "FIXME: previous_rev(\"%s\"): Going beyond top-level?\n", c);
685 bertho 1.7 /* FIXME: What is the parent of 1.1? */
686     cptr[1] = '\0';
687     strcat(r, "0");
688     return r;
689     }
690     /* Here we have a "x.x[.x.x]+" case */
691     *cptr = '\0';
692     cptr = strrchr(r, '.');
693     assert(cptr != NULL);
694     *cptr = '\0';
695     return r;
696     }
697     /* It is a branch we want the parent of */
698     r = xstrdup(c);
699     cptr = strrchr(r, '.');
700     assert(cptr != NULL);
701     *cptr = '\0';
702     return r;
703 bertho 1.1 }
704    
705 bertho 1.59 static char *build_regex(size_t n, regmatch_t *m, const char *ms, int idx)
706 bertho 1.30 {
707     char *cptr;
708     int i;
709    
710 bertho 1.59 if(!conf.merge_to.strs[idx])
711 bertho 1.30 return NULL;
712    
713     zap_string();
714 bertho 1.59 for(cptr = conf.merge_to.strs[idx]; *cptr; cptr++)
715 bertho 1.30 {
716     if(*cptr == '%')
717     {
718     if(cptr[1] >= '1' && cptr[1] <= '9')
719     {
720     int idx = cptr[1] - '0';
721     regmatch_t *p = &m[idx];
722     if(idx < n && !(p->rm_so == -1 || p->rm_so >= p->rm_eo))
723     {
724     for(i = p->rm_so; i < p->rm_eo; i++)
725     {
726     if(strchr("^$.*+\\[{()", ms[i]))
727     add_string_ch('\\');
728     add_string_ch(ms[i]);
729     }
730     }
731     cptr++;
732     }
733     else
734     add_string_ch('%');
735     }
736     else
737     add_string_ch(*cptr);
738     }
739     return dup_string();
740     }
741    
742 bertho 1.49 static void find_merges_cvsnt(rcsfile_t *rcs)
743     {
744     int i;
745    
746     if(!conf.merge_cvsnt)
747     return;
748    
749     for(i = 0; i < rcs->nsrev; i++)
750     {
751     revision_t **r;
752    
753     if(!rcs->srev[i]->delta->mergepoint)
754     continue;
755    
756     r = bsearch(rcs->srev[i]->delta->mergepoint->rev, rcs->srev, rcs->nsrev, sizeof(rcs->srev[0]), search_revision);
757     if(!r)
758     continue;
759     rcs->merges = xrealloc(rcs->merges, sizeof(rcs->merges[0]) * (rcs->nmerges+1));
760     rcs->merges[rcs->nmerges].type = TR_REVISION;
761     rcs->merges[rcs->nmerges].from.rev = *r;
762     rcs->merges[rcs->nmerges].to.rev = rcs->srev[i];
763 bertho 1.59 rcs->merges[rcs->nmerges].clr = -1;
764 bertho 1.49 rcs->nmerges++;
765 bertho 1.60 (*r)->mergetarget = 1;
766     rcs->srev[i]->mergetarget = 1;
767 bertho 1.49 }
768     }
769    
770 bertho 1.31 static void find_merges(rcsfile_t *rcs)
771 bertho 1.1 {
772 bertho 1.59 int i, j;
773 bertho 1.30 int err;
774 bertho 1.31 int rcflags = REG_EXTENDED | (conf.merge_nocase ? REG_ICASE : 0);
775 bertho 1.30 regex_t *refrom = NULL;
776     regex_t *reto = NULL;
777     regmatch_t *matchfrom = NULL;
778    
779 bertho 1.59 if(!conf.merge_from.n || !conf.merge_to.n)
780 bertho 1.31 return;
781    
782 bertho 1.59 for(j = 0; j < conf.merge_from.n; j++)
783     {
784     if(!conf.merge_from.strs[0] || !conf.merge_to.strs[0])
785     continue;
786 bertho 1.31
787 bertho 1.59 refrom = xmalloc(sizeof(*refrom));
788     reto = xmalloc(sizeof(*reto));
789 bertho 1.30
790 bertho 1.59 /* Compile the 'from' regex match for merge identification */
791     err = regcomp(refrom, conf.merge_from.strs[j], rcflags);
792     if(err)
793     {
794     char *msg;
795     i = regerror(err, refrom, NULL, 0);
796     msg = xmalloc(i+1);
797     regerror(err, refrom, msg, i+1);
798     stack_msg(MSG_WARN, "%s", msg);
799     xfree(msg);
800     xfree(refrom);
801     xfree(reto);
802     return;
803     }
804     else
805     matchfrom = xmalloc((refrom->re_nsub+1) * sizeof(*matchfrom));
806 bertho 1.31
807 bertho 1.59 for(i = 0; i < rcs->tags->ntags; i++)
808     {
809     tag_t *t = rcs->tags->tags[i];
810 bertho 1.31
811 bertho 1.59 /* Must be revision tags and not detached */
812     if(t->rev->isbranch || !t->logrev)
813     continue;
814 bertho 1.31
815 bertho 1.59 /* Try to find merge tag matches */
816     if(!regexec(refrom, t->tag, refrom->re_nsub+1, matchfrom, 0))
817 bertho 1.31 {
818 bertho 1.59 int n;
819     char *to;
820    
821     to = build_regex(refrom->re_nsub+1, matchfrom, t->tag, j);
822     if(to)
823 bertho 1.31 {
824 bertho 1.59 err = regcomp(reto, to, rcflags);
825     if(err)
826     {
827     char *msg;
828     i = regerror(err, reto, NULL, 0);
829     msg = xmalloc(i+1);
830     regerror(err, reto, msg, i+1);
831     stack_msg(MSG_WARN, "%s", msg);
832     xfree(msg);
833     }
834     else if(!err)
835 bertho 1.31 {
836 bertho 1.59 for(n = 0; n < rcs->tags->ntags; n++)
837     {
838     tag_t *nt = rcs->tags->tags[n];
839     /* From and To never should match the same tag or belong to a branch */
840     if(n == i || nt->rev->isbranch || !nt->logrev)
841     continue;
842 bertho 1.31
843 bertho 1.59 if(!regexec(reto, nt->tag, 0, NULL, 0))
844 bertho 1.46 {
845 bertho 1.59 /* Tag matches */
846     rcs->merges = xrealloc(rcs->merges,
847     sizeof(rcs->merges[0]) * (rcs->nmerges+1));
848     rcs->merges[rcs->nmerges].type = TR_TAG;
849     rcs->merges[rcs->nmerges].to.tag = nt;
850     rcs->merges[rcs->nmerges].from.tag = t;
851     rcs->merges[rcs->nmerges].clr = j;
852     rcs->nmerges++;
853     if(!conf.tag_ignore_merge)
854     {
855     nt->ignore = 0;
856     t->ignore = 0;
857     }
858     /* We cannot (should not) match multiple times */
859     if(!conf.merge_findall)
860     break;
861 bertho 1.46 }
862 bertho 1.31 }
863 bertho 1.59 regfree(reto);
864 bertho 1.31 }
865 bertho 1.59 xfree(to);
866 bertho 1.31 }
867     }
868 bertho 1.30 }
869 bertho 1.59 if(matchfrom) xfree(matchfrom);
870     if(refrom) { regfree(refrom); xfree(refrom); }
871     if(reto) xfree(reto);
872     refrom = NULL;
873     reto = NULL;
874     matchfrom = NULL;
875 bertho 1.30 }
876 bertho 1.31 }
877    
878     static void assign_tags(rcsfile_t *rcs)
879     {
880     int i;
881     int nr;
882 bertho 1.40 regex_t *regextag = NULL;
883    
884     if(conf.tag_ignore && conf.tag_ignore[0])
885     {
886     int err;
887     regextag = xmalloc(sizeof(*regextag));
888     err = regcomp(regextag, conf.tag_ignore, REG_EXTENDED | REG_NOSUB | (conf.tag_nocase ? REG_ICASE : 0));
889     if(err)
890     {
891 bertho 1.44 char *msg;
892     i = regerror(err, regextag, NULL, 0);
893     msg = xmalloc(i+1);
894     regerror(err, regextag, msg, i+1);
895     stack_msg(MSG_WARN, "%s", msg);
896     xfree(msg);
897 bertho 1.40 xfree(regextag);
898     regextag = NULL;
899     }
900     }
901 bertho 1.7
902     for(i = nr = 0; i < rcs->nbranches; i++)
903     nr += rcs->branches[i]->nrevs;
904    
905     rcs->srev = xmalloc(nr * sizeof(rcs->srev[0]));
906     rcs->nsrev = nr;
907     for(i = nr = 0; i < rcs->nbranches; i++)
908     {
909     memcpy(&rcs->srev[nr], rcs->branches[i]->revs, rcs->branches[i]->nrevs * sizeof(rcs->branches[i]->revs[0]));
910     nr += rcs->branches[i]->nrevs;
911     }
912    
913     qsort(rcs->srev, rcs->nsrev, sizeof(rcs->srev[0]), sort_revision);
914     qsort(rcs->branches, rcs->nbranches, sizeof(rcs->branches[0]), sort_branch);
915    
916     if(!rcs->branch)
917     {
918     /* The main trunk is the active trunk */
919     rcs->tags->tags = xrealloc(rcs->tags->tags, (rcs->tags->ntags+1)*sizeof(rcs->tags->tags[0]));
920     rcs->tags->tags[rcs->tags->ntags] = xmalloc(sizeof(tag_t));
921     rcs->tags->tags[rcs->tags->ntags]->tag = xstrdup("MAIN");
922     rcs->tags->tags[rcs->tags->ntags]->rev = xmalloc(sizeof(rev_t));
923     rcs->tags->tags[rcs->tags->ntags]->rev->rev = xstrdup(rcs->active->branch->rev);
924     rcs->tags->tags[rcs->tags->ntags]->rev->branch = xstrdup(rcs->active->branch->branch);
925     rcs->tags->tags[rcs->tags->ntags]->rev->isbranch = 1;
926     rcs->tags->ntags++;
927     }
928    
929     /* We should have at least two tags (HEAD and MAIN) */
930 bertho 1.44 assert(rcs->tags != NULL);
931 bertho 1.7
932     for(i = 0; i < rcs->tags->ntags; i++)
933     {
934     tag_t *t = rcs->tags->tags[i];
935     if(t->rev->isbranch)
936     {
937     branch_t **b;
938     add_btag:
939     b = bsearch(t->rev, rcs->branches, rcs->nbranches, sizeof(rcs->branches[0]), search_branch);
940     if(!b)
941     {
942     rev_t rev;
943     revision_t **r;
944     /* This happens for the magic branch numbers if there are
945 bertho 1.12 * no commits within the new branch yet. So, we add the
946     * branch and try to continue.
947 bertho 1.7 */
948     rev.rev = previous_rev(t->rev->branch);
949     rev.branch = NULL;
950     rev.isbranch = 0;
951     r = bsearch(&rev, rcs->srev, rcs->nsrev, sizeof(rcs->srev[0]), search_revision);
952     xfree(rev.rev);
953     if(!r)
954     {
955 bertho 1.44 stack_msg(MSG_WARN, "No branch found for tag '%s:%s'", t->tag, t->rev->branch);
956 bertho 1.7 }
957     else
958     {
959     rcs->branches = xrealloc(rcs->branches, (rcs->nbranches+1)*sizeof(rcs->branches[0]));
960     rcs->branches[rcs->nbranches] = xmalloc(sizeof(branch_t));
961     rcs->branches[rcs->nbranches]->branch = dup_rev(t->rev);
962     rcs->branches[rcs->nbranches]->branchpoint = *r;
963     (*r)->branches = xrealloc((*r)->branches, ((*r)->nbranches+1)*sizeof((*r)->branches[0]));
964     (*r)->branches[(*r)->nbranches] = rcs->branches[rcs->nbranches];
965     (*r)->nbranches++;
966     rcs->nbranches++;
967     /* Resort the branches */
968     qsort(rcs->branches, rcs->nbranches, sizeof(rcs->branches[0]), sort_branch);
969     goto add_btag;
970     }
971     }
972     else
973     {
974     branch_t *bb = *b;
975     bb->tags = xrealloc(bb->tags, (bb->ntags+1)*sizeof(bb->tags[0]));
976     bb->tags[bb->ntags] = t;
977     bb->ntags++;
978     }
979     }
980     else
981     {
982     revision_t **r = bsearch(t->rev, rcs->srev, rcs->nsrev, sizeof(rcs->srev[0]), search_revision);
983     if(!r)
984 bertho 1.12 {
985 bertho 1.44 stack_msg(MSG_WARN, "No revision found for tag '%s:%s'\n", t->tag, t->rev->rev);
986 bertho 1.12 }
987 bertho 1.7 else
988     {
989     revision_t *rr = *r;
990 bertho 1.30 t->logrev = rr;
991 bertho 1.28 if(!conf.rev_maxtags || rr->ntags <= conf.rev_maxtags)
992     {
993     rr->tags = xrealloc(rr->tags, (rr->ntags+1)*sizeof(rr->tags[0]));
994     if(conf.rev_maxtags && rr->ntags == conf.rev_maxtags)
995     {
996     rr->tags[rr->ntags] = xmalloc(sizeof(tag_t));
997     rr->tags[rr->ntags]->tag = xstrdup("...");
998     rr->tags[rr->ntags]->rev = t->rev;
999     }
1000     else
1001     rr->tags[rr->ntags] = t;
1002     rr->ntags++;
1003     }
1004 bertho 1.7 }
1005 bertho 1.40
1006 bertho 1.42 if(conf.tag_negate)
1007 bertho 1.43 t->ignore++;
1008 bertho 1.40 /* Mark the tag ignored if it matches the configuration */
1009     if(regextag && !regexec(regextag, t->tag, 0, NULL, 0))
1010 bertho 1.42 {
1011     if(conf.tag_negate)
1012     t->ignore--;
1013     else
1014     t->ignore++;
1015     }
1016 bertho 1.7 }
1017     }
1018    
1019     /* We need to reset the first in the list of branches to the
1020     * active branch to ensure the drawing of all
1021     */
1022     if(rcs->active != rcs->branches[0])
1023 bertho 1.1 {
1024 bertho 1.7 branch_t **b = bsearch(rcs->active->branch, rcs->branches, rcs->nbranches, sizeof(rcs->branches[0]), search_branch);
1025     branch_t *t;
1026     assert(b != NULL);
1027     t = *b;
1028     *b = rcs->branches[0];
1029     rcs->branches[0] = t;
1030 bertho 1.1 }
1031 bertho 1.40
1032     if(regextag)
1033     {
1034     regfree(regextag);
1035     xfree(regextag);
1036     }
1037 bertho 1.1 }
1038    
1039     /*
1040     **************************************************************************
1041 bertho 1.8 * String expansion
1042     **************************************************************************
1043     */
1044     static char *_string;
1045     static int _nstring;
1046     static int _nastring;
1047    
1048 bertho 1.30 static void zap_string(void)
1049     {
1050     _nstring = 0;
1051     if(_string)
1052     _string[0] = '\0';
1053     }
1054    
1055     static char *dup_string(void)
1056     {
1057     if(_string)
1058     return xstrdup(_string);
1059     else
1060     return "";
1061     }
1062    
1063 bertho 1.19 static void add_string_str(const char *s)
1064 bertho 1.8 {
1065     int l = strlen(s) + 1;
1066     if(_nstring + l > _nastring)
1067     {
1068 bertho 1.24 _nastring += MAX(128, l);
1069 bertho 1.8 _string = xrealloc(_string, _nastring * sizeof(_string[0]));
1070     }
1071     memcpy(_string+_nstring, s, l);
1072     _nstring += l-1;
1073     }
1074    
1075 bertho 1.19 static void add_string_ch(int ch)
1076 bertho 1.8 {
1077     char buf[2];
1078     buf[0] = ch;
1079     buf[1] = '\0';
1080     add_string_str(buf);
1081     }
1082    
1083 bertho 1.19 static void add_string_date(const char *d)
1084 bertho 1.9 {
1085     struct tm tm, *tmp;
1086     int n;
1087     time_t t;
1088     char *buf;
1089     int nbuf;
1090 bertho 1.48 char *env;
1091 bertho 1.9
1092     memset(&tm, 0, sizeof(tm));
1093     n = sscanf(d, "%d.%d.%d.%d.%d.%d",
1094     &tm.tm_year, &tm.tm_mon, &tm.tm_mday,
1095     &tm.tm_hour, &tm.tm_min, &tm.tm_sec);
1096     tm.tm_mon--;
1097     if(tm.tm_year > 1900)
1098     tm.tm_year -= 1900;
1099 bertho 1.48
1100     env = getenv("TZ");
1101     putenv("TZ=UTC0");
1102     t = mktime(&tm);
1103     if(env)
1104 bertho 1.53 {
1105     char *c = xmalloc(strlen(env) + 3 + 1); /* Extra space for TZ and = */
1106     sprintf(c, "TZ=%s", env);
1107     putenv(c);
1108     xfree(c);
1109     }
1110 bertho 1.48 else
1111 bertho 1.53 putenv("TZ");
1112 bertho 1.48
1113 bertho 1.9 if(n != 6 || t == (time_t)(-1))
1114     {
1115     add_string_str("<invalid date>");
1116     return;
1117     }
1118    
1119     tmp = localtime(&t);
1120 bertho 1.51 nbuf = (strlen(conf.date_format)+1) * 16; /* Should be enough to hold all types of expansions */
1121 bertho 1.9 buf = xmalloc(nbuf);
1122     strftime(buf, nbuf, conf.date_format, tmp);
1123     add_string_str(buf);
1124     xfree(buf);
1125     }
1126    
1127 bertho 1.22 static void add_string_str_html(const char *s, int maxlen)
1128     {
1129     int l = 0;
1130     char *str = xmalloc(6 * strlen(s) + 1); /* Should hold all char entity-expand */
1131     char *cptr = str;
1132     for(; *s; s++)
1133     {
1134     if(maxlen && l > abs(maxlen))
1135     {
1136     cptr += sprintf(cptr, "...");
1137     break;
1138     }
1139     if(*s < 0x20)
1140     {
1141     if(*s == '\n')
1142     {
1143     if(maxlen < 0)
1144     *cptr++ = ' ';
1145     else
1146 bertho 1.37 cptr += sprintf(cptr, "<br%s>", conf.html_level == HTMLLEVEL_X ? " /" : "");
1147 bertho 1.22 }
1148     }
1149 bertho 1.30 else if(*s >= 0x7f || *s == '"')
1150 bertho 1.22 cptr += sprintf(cptr, "&#%d;", (int)(unsigned char)*s);
1151     else if(*s == '<')
1152     cptr += sprintf(cptr, "&lt;");
1153     else if(*s == '>')
1154     cptr += sprintf(cptr, "&gt;");
1155 bertho 1.37 else if(*s == '&')
1156     cptr += sprintf(cptr, "&amp;");
1157     else if(*s == '"')
1158     cptr += sprintf(cptr, "&quot;");
1159 bertho 1.22 else
1160     *cptr++ = *s;
1161     l++;
1162     }
1163     *cptr = '\0';
1164     add_string_str(str);
1165     xfree(str);
1166     }
1167    
1168     static void add_string_str_len(const char *s, int maxlen)
1169     {
1170     int l = strlen(s);
1171     char *str = xmalloc(l + 1 + 3);
1172     strcpy(str, s);
1173     if(maxlen < l)
1174     sprintf(&str[maxlen], "...");
1175     add_string_str(str);
1176     xfree(str);
1177     }
1178    
1179 bertho 1.44 static char *expand_string(const char *s, rcsfile_t *rcs, revision_t *r, rev_t *rev, rev_t *prev, tag_t *tag)
1180 bertho 1.8 {
1181     char nb[32];
1182     char nr[32];
1183     char *base;
1184 bertho 1.30 char *exp;
1185 bertho 1.22 int l;
1186     char ch;
1187 bertho 1.8
1188     if(!s)
1189     return xstrdup("");
1190    
1191 bertho 1.30 zap_string();
1192 bertho 1.8
1193 bertho 1.54 sprintf(nb, "%d", rcs->nbranches + rcs->nfolds);
1194 bertho 1.8 sprintf(nr, "%d", rcs->nsrev);
1195     for(; *s; s++)
1196     {
1197     if(*s == '%')
1198     {
1199     switch(*++s)
1200     {
1201 bertho 1.12 case 'c':
1202     case 'C':
1203     add_string_str(conf.cvsroot);
1204     if(*s == 'C' && conf.cvsroot[0] && conf.cvsroot[strlen(conf.cvsroot)-1] == '/')
1205     {
1206     /* Strip the trailing '/' */
1207     _nstring--;
1208     _string[_nstring] = '\0';
1209     }
1210     break;
1211 bertho 1.8 case 'f':
1212     case 'F':
1213     base = strrchr(rcs->file, '/');
1214     if(!base)
1215     add_string_str(rcs->file);
1216     else
1217     add_string_str(base+1);
1218     if(*s == 'F' && _string[_nstring-1] == 'v' && _string[_nstring-2] == ',')
1219     {
1220     _nstring -= 2;
1221     _string[_nstring] = '\0';
1222     }
1223     break;
1224     case 'p':
1225     base = strrchr(rcs->file, '/');
1226     if(base)
1227     {
1228     char *c = xstrdup(rcs->file);
1229     base = strrchr(c, '/');
1230     assert(base != NULL);
1231     base[1] = '\0';
1232     add_string_str(c);
1233     xfree(c);
1234     }
1235 bertho 1.9 /*
1236     * We should not add anything here because we can encounter
1237     * a completely empty path, in which case we do not want
1238 bertho 1.17 * to add any slash. This prevents an inadvertent root redirect.
1239 bertho 1.9 *
1240     * else
1241     * add_string_str("/");
1242     */
1243 bertho 1.8 break;
1244 bertho 1.12 case 'm':
1245     case 'M':
1246     add_string_str(conf.cvsmodule);
1247     if(*s == 'M' && conf.cvsmodule[0] && conf.cvsmodule[strlen(conf.cvsmodule)-1] == '/')
1248     {
1249     /* Strip the trailing '/' */
1250     _nstring--;
1251     _string[_nstring] = '\0';
1252     }
1253     break;
1254 bertho 1.8 case 'r': add_string_str(nr); break;
1255     case 'b': add_string_str(nb); break;
1256     case '%': add_string_ch('%'); break;
1257     case '0': if(conf.expand[0]) add_string_str(conf.expand[0]); break;
1258     case '1': if(conf.expand[1]) add_string_str(conf.expand[1]); break;
1259     case '2': if(conf.expand[2]) add_string_str(conf.expand[2]); break;
1260     case '3': if(conf.expand[3]) add_string_str(conf.expand[3]); break;
1261     case '4': if(conf.expand[4]) add_string_str(conf.expand[4]); break;
1262     case '5': if(conf.expand[5]) add_string_str(conf.expand[5]); break;
1263     case '6': if(conf.expand[6]) add_string_str(conf.expand[6]); break;
1264     case '7': if(conf.expand[7]) add_string_str(conf.expand[7]); break;
1265     case '8': if(conf.expand[8]) add_string_str(conf.expand[8]); break;
1266     case '9': if(conf.expand[9]) add_string_str(conf.expand[9]); break;
1267     case 'R': if(rev && rev->rev) add_string_str(rev->rev); break;
1268 bertho 1.9 case 'P': if(prev && prev->rev) add_string_str(prev->rev); break;
1269 bertho 1.8 case 'B': if(rev && rev->branch) add_string_str(rev->branch); break;
1270     case 't': if(tag && tag->tag) add_string_str(tag->tag); break;
1271 bertho 1.9 case 'd': if(r && r->delta && r->delta->date) add_string_date(r->delta->date); break;
1272     case 's': if(r && r->delta && r->delta->state) add_string_str(r->delta->state); break;
1273     case 'a': if(r && r->delta && r->delta->author) add_string_str(r->delta->author); break;
1274 bertho 1.22 case 'L':
1275     case 'l':
1276     ch = *s;
1277     l = 0;
1278     if(s[1] == '[')
1279     {
1280     char *cptr = strchr(s, ']');
1281     char *eptr;
1282     if(cptr)
1283     {
1284     l = strtol(&s[2], &eptr, 10);
1285     if(eptr != cptr)
1286     l = 0;
1287     else
1288     s = cptr;
1289     }
1290     }
1291     if(!conf.parse_logs)
1292     add_string_str("N/A");
1293     else if(r && r->dtext && r->dtext->log)
1294     {
1295     if(ch == 'l')
1296     add_string_str_html(r->dtext->log, l);
1297     else
1298     add_string_str_len(r->dtext->log, abs(l));
1299     }
1300     break;
1301 bertho 1.30 case '(':
1302     base = dup_string();
1303     exp = expand_string(s+1, rcs, r, rev, prev, tag);
1304     zap_string();
1305     add_string_str(base);
1306     add_string_str_html(exp, 0);
1307     xfree(base);
1308     xfree(exp);
1309     /* Find the %) in this recursion level */
1310     for(; *s; s++)
1311     {
1312     if(*s == '%' && s[1] == ')')
1313 bertho 1.34 {
1314     s++;
1315 bertho 1.30 break;
1316 bertho 1.34 }
1317 bertho 1.30 }
1318     if(!*s)
1319     {
1320     s--; /* To end outer loop */
1321 bertho 1.44 stack_msg(MSG_WARN, "string expand: Missing %%) in expansion");
1322 bertho 1.30 }
1323     break;
1324     case ')':
1325     return dup_string();
1326 bertho 1.8 default:
1327     add_string_ch('%');
1328     add_string_ch(*s);
1329     break;
1330     }
1331     }
1332     else
1333     add_string_ch(*s);
1334     }
1335 bertho 1.30 return dup_string();
1336 bertho 1.8 }
1337    
1338     /*
1339     **************************************************************************
1340 bertho 1.1 * Drawing routines
1341     **************************************************************************
1342     */
1343 bertho 1.56 static color_t *clr_id = NULL;
1344     static int nclr_id = 0;
1345    
1346 bertho 1.60 static int rexpr_eval(const char *key, const char *content, int flags)
1347     {
1348     int res;
1349     regex_t re;
1350     if(regcomp(&re, content, flags | REG_EXTENDED | REG_NOSUB))
1351     return 0;
1352     res = regexec(&re, key, 0, NULL, 0);
1353     regfree(&re);
1354     return res == 0;
1355     }
1356    
1357     static int expr_eval(const char *key, int op, const char *content)
1358     {
1359     switch(op)
1360     {
1361     case OP_CONTAINED: return rexpr_eval(key, content, 0);
1362     case OP_CONTAINEDI: return rexpr_eval(key, content, REG_ICASE);
1363     case OP_NCONTAINED: return !rexpr_eval(key, content, 0);
1364     case OP_NCONTAINEDI: return !rexpr_eval(key, content, REG_ICASE);
1365     case OP_EQ: return strcmp(key, content) == 0;
1366     case OP_NE: return strcmp(key, content) != 0;
1367     case OP_GE: return strcmp(key, content) >= 0;
1368     case OP_GT: return strcmp(key, content) > 0;
1369     case OP_LE: return strcmp(key, content) <= 0;
1370     case OP_LT: return strcmp(key, content) < 0;
1371     }
1372     return 0;
1373     }
1374    
1375     static char *eval_string(node_t *node, revision_t *r)
1376     {
1377     int i;
1378     assert(node != NULL);
1379     switch(node->key)
1380     {
1381     default:
1382     case TYPE_COLOR:
1383     return ""; /* This should not happen */
1384     case TYPE_STRING:
1385     return node->value.str;
1386     case KEY_STATE:
1387     if(r && expr_eval(r->delta->state, node->op, node->content))
1388     return eval_string(node->tcase, r);
1389     else
1390     return eval_string(node->fcase, r);
1391     case KEY_AUTHOR:
1392     if(r && expr_eval(r->delta->author, node->op, node->content))
1393     return eval_string(node->tcase, r);
1394     else
1395     return eval_string(node->fcase, r);
1396     case KEY_TAG:
1397     for(i = 0; r && i < r->ntags; i++)
1398     {
1399     if(expr_eval(r->tags[i]->tag, node->op, node->content))
1400     return eval_string(node->tcase, r);
1401     }
1402     return eval_string(node->fcase, r);
1403     case KEY_DATE:
1404     if(r && expr_eval(r->delta->date, node->op, node->content))
1405     return eval_string(node->tcase, r);
1406     else
1407     return eval_string(node->fcase, r);
1408     case KEY_REV:
1409     if(r && expr_eval(r->rev->rev, node->op, node->content))
1410     return eval_string(node->tcase, r);
1411     else
1412     return eval_string(node->fcase, r);
1413     }
1414     return "";
1415     }
1416     static color_t *eval_color(node_t *node, revision_t *r, branch_t *b)
1417     {
1418     int i;
1419     assert(node != NULL);
1420     switch(node->key)
1421     {
1422     default:
1423     case TYPE_STRING:
1424     return &black_color; /* This should not happen */
1425     case TYPE_COLOR:
1426     return &node->value.clr;
1427     case KEY_STATE:
1428     if(r && expr_eval(r->delta->state, node->op, node->content))
1429     return eval_color(node->tcase, r, b);
1430     else
1431     return eval_color(node->fcase, r, b);
1432     case KEY_AUTHOR:
1433     if(r && expr_eval(r->delta->author, node->op, node->content))
1434     return eval_color(node->tcase, r, b);
1435     else
1436     return eval_color(node->fcase, r, b);
1437     case KEY_TAG:
1438     for(i = 0; r && i < r->ntags; i++)
1439     {
1440     if(expr_eval(r->tags[i]->tag, node->op, node->content))
1441     return eval_color(node->tcase, r, b);
1442     }
1443     return eval_color(node->fcase, r, b);
1444     case KEY_DATE:
1445     if(r && expr_eval(r->delta->date, node->op, node->content))
1446     return eval_color(node->tcase, r, b);
1447     else
1448     return eval_color(node->fcase, r, b);
1449     case KEY_REV:
1450     if(r && expr_eval(r->rev->rev, node->op, node->content))
1451     return eval_color(node->tcase, r, b);
1452     if(b && expr_eval(b->branch->branch, node->op, node->content))
1453     return eval_color(node->tcase, r, b);
1454     return eval_color(node->fcase, r, b);
1455     }
1456     return &black_color;
1457     }
1458    
1459 bertho 1.59 static color_t *clr(gdImagePtr im, const char *s, revision_t *r, branch_t *b, int idx)
1460 bertho 1.56 {
1461     int i;
1462 bertho 1.59 color_t *c = get_colorref(s, idx);
1463 bertho 1.56 if(!c)
1464     c = &black_color;
1465 bertho 1.60 if(c->node)
1466     c = eval_color(c->node, r, b);
1467 bertho 1.56 for(i = 0; i < nclr_id; i++)
1468     {
1469     if(c->r == clr_id[i].r && c->g == clr_id[i].g && c->b == clr_id[i].b)
1470     return &clr_id[i];
1471     }
1472     clr_id = xrealloc(clr_id, (nclr_id+1) * sizeof(*clr_id));
1473     clr_id[nclr_id] = *c;
1474     clr_id[nclr_id].id = gdImageColorAllocate(im, c->r, c->g, c->b);
1475     return &clr_id[nclr_id++];
1476     }
1477    
1478 bertho 1.58 static void zap_clr(void)
1479     {
1480     if(clr_id)
1481     xfree(clr_id);
1482     clr_id = NULL;
1483     nclr_id = 0;
1484     }
1485    
1486 bertho 1.19 static int get_swidth(const char *s, font_t *f)
1487 bertho 1.1 {
1488 bertho 1.9 int n;
1489     int m;
1490     if(!s || !*s)
1491 bertho 1.1 return 0;
1492 bertho 1.19
1493     #if defined(HAVE_GDIMAGESTRINGFT) || defined(HAVE_GDIMAGESTRINGTTF)
1494     if(conf.use_ttf && f->ttfont)
1495     {
1496     int bb[8];
1497     char *e;
1498     #ifdef HAVE_GDIMAGESTRINGFT
1499     e = gdImageStringFT(NULL, bb, 0, f->ttfont, f->ttsize, 0.0, 0, 0, (char *)s);
1500     #else
1501     e = gdImageStringTTF(NULL, bb, 0, f->ttfont, f->ttsize, 0.0, 0, 0, (char *)s);
1502     #endif
1503     if(!e)
1504     return bb[2] - bb[6];
1505     }
1506     #endif
1507 bertho 1.9 for(n = m = 0; *s; n++, s++)
1508     {
1509     if(*s == '\n')
1510     {
1511     if(n > m)
1512     m = n;
1513     n = 0;
1514     }
1515     }
1516     if(n > m)
1517     m = n;
1518 bertho 1.22 return f->gdfont ? m * f->gdfont->w : m;
1519 bertho 1.1 }
1520    
1521 bertho 1.19 static int get_sheight(const char *s, font_t *f)
1522 bertho 1.1 {
1523     int nl;
1524 bertho 1.9 if(!s || !*s)
1525 bertho 1.1 return 0;
1526 bertho 1.19
1527     #if defined(HAVE_GDIMAGESTRINGFT) || defined(HAVE_GDIMAGESTRINGTTF)
1528     if(conf.use_ttf && f->ttfont)
1529     {
1530     int bb[8];
1531     char *e;
1532     #ifdef HAVE_GDIMAGESTRINGFT
1533     e = gdImageStringFT(NULL, bb, 0, f->ttfont, f->ttsize, 0.0, 0, 0, (char *)s);
1534     #else
1535     e = gdImageStringTTF(NULL, bb, 0, f->ttfont, f->ttsize, 0.0, 0, 0, (char *)s);
1536     #endif
1537     if(!e)
1538     return bb[3] - bb[7] + 4;
1539     }
1540     #endif
1541 bertho 1.1 for(nl = 1; *s; s++)
1542     {
1543     if(*s == '\n' && s[1])
1544     nl++;
1545     }
1546 bertho 1.19 return nl * f->gdfont->h;
1547 bertho 1.1 }
1548    
1549 bertho 1.19 static void draw_rbox(gdImagePtr im, int x1, int y1, int x2, int y2, int r, color_t *color, color_t *bgcolor)
1550 bertho 1.1 {
1551     int r2 = 2*r;
1552 bertho 1.44 if(!r)
1553     gdImageFilledRectangle(im, x1, y1, x2, y2, bgcolor->id);
1554     #ifdef HAVE_GDIMAGEFILLEDARC
1555     else
1556     {
1557     gdImageFilledArc(im, x1+r, y1+r, r2, r2, 180, 270, bgcolor->id, gdArc);
1558     gdImageFilledArc(im, x2-r, y1+r, r2, r2, 270, 360, bgcolor->id, gdArc);
1559     gdImageFilledArc(im, x1+r, y2-r, r2, r2, 90, 180, bgcolor->id, gdArc);
1560     gdImageFilledArc(im, x2-r, y2-r, r2, r2, 0, 90, bgcolor->id, gdArc);
1561     gdImageFilledRectangle(im, x1+r, y1, x2-r, y1+r, bgcolor->id);
1562     gdImageFilledRectangle(im, x1, y1+r, x2, y2-r, bgcolor->id);
1563     gdImageFilledRectangle(im, x1+r, y2-r, x2-r, y2, bgcolor->id);
1564     }
1565     #endif
1566 bertho 1.1 gdImageLine(im, x1+r, y1, x2-r, y1, color->id);
1567     gdImageLine(im, x1+r, y2, x2-r, y2, color->id);
1568     gdImageLine(im, x1, y1+r, x1, y2-r, color->id);
1569     gdImageLine(im, x2, y1+r, x2, y2-r, color->id);
1570 bertho 1.9 if(conf.box_shadow)
1571     {
1572 bertho 1.60 gdImageLine(im, x1+r+1, y2+1, x2-r, y2+1, clr(im, NULL, NULL, NULL, 0)->id);
1573     gdImageLine(im, x2+1, y1+r+1, x2+1, y2-r, clr(im, NULL, NULL, NULL, 0)->id);
1574 bertho 1.9 }
1575 bertho 1.1 if(r)
1576     {
1577 bertho 1.18 /* FIXME: Pixelization is not perfect */
1578 bertho 1.1 gdImageArc(im, x1+r, y1+r, r2, r2, 180, 270, color->id);
1579     gdImageArc(im, x2-r, y1+r, r2, r2, 270, 360, color->id);
1580     gdImageArc(im, x1+r, y2-r, r2, r2, 90, 180, color->id);
1581 bertho 1.9 if(conf.box_shadow)
1582     {
1583 bertho 1.60 gdImageArc(im, x2-r+1, y2-r+1, r2, r2, 0, 90, clr(im, NULL, NULL, NULL, 0)->id);
1584     gdImageArc(im, x2-r+1, y2-r, r2, r2, 0, 90, clr(im, NULL, NULL, NULL, 0)->id);
1585     gdImageArc(im, x2-r, y2-r+1, r2, r2, 0, 90, clr(im, NULL, NULL, NULL, 0)->id);
1586 bertho 1.9 }
1587 bertho 1.18 gdImageArc(im, x2-r, y2-r, r2, r2, 0, 90, color->id);
1588 bertho 1.44 #if !defined(NOGDFILL) && !defined(HAVE_GDIMAGEFILLEDARC)
1589     /* BUG: We clip manually because libgd segfaults on out of bound values */
1590     if((x1+x2)/2 >= 0 && (x1+x2)/2 < gdImageSX(im) && (y1+y2)/2 >= 0 && (y1+y2)/2 < gdImageSY(im))
1591     gdImageFillToBorder(im, (x1+x2)/2, (y1+y2)/2, color->id, bgcolor->id);
1592     #endif
1593 bertho 1.1 }
1594     }
1595    
1596 bertho 1.19 static void draw_string(gdImagePtr im, char *s, font_t *f, int x, int y, int align, color_t *c)
1597 bertho 1.1 {
1598 bertho 1.19 int h = get_sheight(s, f);
1599 bertho 1.1 int xx, yy;
1600     switch(align & ALIGN_HX)
1601     {
1602     default:
1603     case ALIGN_HL: xx = 0; break;
1604     case ALIGN_HC: xx = -get_swidth(s, f)/2; break;
1605     case ALIGN_HR: xx = -get_swidth(s, f); break;
1606     }
1607     switch(align & ALIGN_VX)
1608     {
1609     default:
1610     case ALIGN_VT: yy = 0; break;
1611 bertho 1.19 case ALIGN_VC: yy = h/2; break;
1612     case ALIGN_VB: yy = h; break;
1613 bertho 1.1 }
1614 bertho 1.19 #if defined(HAVE_GDIMAGESTRINGFT) || defined(HAVE_GDIMAGESTRINGTTF)
1615     if(conf.use_ttf && f->ttfont)
1616     {
1617     int bb[8];
1618     char *e;
1619     int cid = conf.anti_alias ? c->id : -c->id;
1620     #ifdef HAVE_GDIMAGESTRINGFT
1621     e = gdImageStringFT(im, bb, cid, f->ttfont, f->ttsize, 0.0, x+xx, y+yy+h-2, (char *)s);
1622     #else
1623     e = gdImageStringTTF(im, bb, cid, f->ttfont, f->ttsize, 0.0, x+xx, y+yy+h-2, (char *)s);
1624     #endif
1625     if(!e)
1626     return;
1627     }
1628     #endif
1629     yy = -yy;
1630 bertho 1.59 gdImageString(im, f->gdfont, x+xx+1, y+yy, (unsigned char *)s, c->id);
1631 bertho 1.1 }
1632    
1633 bertho 1.19 static void draw_stringnl(gdImagePtr im, char *s, font_t *f, int x, int y, int align, color_t *c)
1634 bertho 1.9 {
1635     char *t;
1636     char *d;
1637     d = s = xstrdup(s);
1638     do
1639     {
1640     t = strchr(s, '\n');
1641     if(t)
1642     *t = '\0';
1643     draw_string(im, s, f, x, y, align, c);
1644     y += get_sheight(s, f);
1645     s = t+1;
1646     } while(t);
1647     xfree(d);
1648     }
1649    
1650 bertho 1.19 static void draw_rev(gdImagePtr im, revision_t *r)
1651 bertho 1.1 {
1652 bertho 1.25 int lx;
1653     int rx;
1654     int x2;
1655 bertho 1.1 int i;
1656 bertho 1.25 int ty;
1657    
1658     if(conf.left_right)
1659     {
1660     lx = r->cx;
1661     rx = r->cx + r->w;
1662     ty = r->y - r->h/2;
1663     x2 = r->cx + r->w/2;
1664     }
1665     else
1666     {
1667     lx = r->cx - r->w/2;
1668     rx = lx + r->w;
1669     ty = r->y;
1670     x2 = r->cx;
1671     }
1672 bertho 1.59 draw_rbox(im, lx, ty, rx, ty+r->h, 0, clr(im, "rev_color", r, NULL, 0), clr(im, "rev_bgcolor", r, NULL, 0));
1673 bertho 1.1 ty += conf.rev_tspace;
1674 bertho 1.46 if(!conf.rev_hidenumber)
1675     {
1676 bertho 1.60 draw_string(im, r->revidtext, &conf.rev_font, x2, ty, ALIGN_HC, clr(im, "rev_color", r, NULL, 0));
1677     ty += get_sheight(r->revidtext, &conf.rev_font);
1678 bertho 1.46 }
1679 bertho 1.59 draw_stringnl(im, r->revtext, &conf.rev_text_font, x2, ty, ALIGN_HC, clr(im, "rev_text_color", r, NULL, 0));
1680 bertho 1.9 ty += get_sheight(r->revtext, &conf.rev_text_font);
1681 bertho 1.1 for(i = 0; i < r->ntags; i++)
1682     {
1683 bertho 1.59 draw_string(im, r->tags[i]->tag, &conf.tag_font, x2, ty, ALIGN_HC, clr(im, "tag_color", r, NULL, 0));
1684 bertho 1.19 ty += get_sheight(r->tags[i]->tag, &conf.tag_font) + conf.rev_separator;
1685 bertho 1.1 }
1686     }
1687    
1688 bertho 1.26 static void draw_branch_box(gdImagePtr im, branch_t *b, int xp, int yp)
1689 bertho 1.1 {
1690 bertho 1.25 int lx;
1691     int rx;
1692 bertho 1.16 int i;
1693 bertho 1.1 int yy;
1694 bertho 1.25 int x2;
1695 bertho 1.16
1696 bertho 1.25 if(conf.left_right)
1697     {
1698     lx = b->cx;
1699     rx = lx + b->w;
1700     x2 = b->cx + b->w/2;
1701     }
1702     else
1703     {
1704     lx = b->cx - b->w/2;
1705     rx = lx + b->w;
1706     x2 = b->cx;
1707     }
1708 bertho 1.59 draw_rbox(im, lx+xp, yp, rx+xp, yp+b->h, 5, clr(im, "branch_color", NULL, b, 0), clr(im, "branch_bgcolor", NULL, b, 0));
1709 bertho 1.1 yy = conf.branch_tspace;
1710 bertho 1.32 if(!b->nfolds)
1711 bertho 1.1 {
1712 bertho 1.46 if(!conf.rev_hidenumber)
1713     {
1714 bertho 1.59 draw_string(im, b->branch->branch, &conf.branch_font, x2+xp, yp+yy, ALIGN_HC, clr(im, "branch_color", NULL, b, 0));
1715 bertho 1.46 yy += get_sheight(b->branch->branch, &conf.branch_font);
1716     }
1717 bertho 1.32 for(i = 0; i < b->ntags; i++)
1718     {
1719 bertho 1.59 draw_string(im, b->tags[i]->tag, &conf.branch_tag_font, x2+xp, yp+yy, ALIGN_HC, clr(im, "branch_tag_color", NULL, b, 0));
1720 bertho 1.34 yy += get_sheight(b->tags[i]->tag, &conf.branch_tag_font);
1721 bertho 1.32 }
1722     }
1723     else
1724     {
1725     int y1, y2;
1726     int tx = lx + b->fw + conf.branch_lspace;
1727     int nx = tx - get_swidth(" ", &conf.branch_font);
1728 bertho 1.59 draw_string(im, b->branch->branch, &conf.branch_font, nx+xp, yp+yy, ALIGN_HR, clr(im, "branch_color", NULL, b, 0));
1729 bertho 1.32 y1 = get_sheight(b->branch->branch, &conf.branch_font);
1730 bertho 1.59 draw_string(im, b->tags[0]->tag, &conf.branch_tag_font, tx+xp, yp+yy, ALIGN_HL, clr(im, "branch_tag_color", NULL, b, 0));
1731 bertho 1.32 y2 = get_sheight(b->tags[0]->tag, &conf.branch_font);
1732     yy += MAX(y1, y2);
1733     for(i = 0; i < b->nfolds; i++)
1734     {
1735 bertho 1.59 draw_string(im, b->folds[i]->branch->branch, &conf.branch_font, nx+xp, yp+yy, ALIGN_HR, clr(im, "branch_color", NULL, b, 0));
1736 bertho 1.32 y1 = get_sheight(b->folds[i]->branch->branch, &conf.branch_font);
1737 bertho 1.59 draw_string(im, b->folds[i]->tags[0]->tag, &conf.branch_tag_font, tx+xp, yp+yy, ALIGN_HL, clr(im, "branch_tag_color", NULL, b, 0));
1738 bertho 1.34 y2 = get_sheight(b->folds[i]->tags[0]->tag, &conf.branch_tag_font);
1739 bertho 1.32 yy += MAX(y1, y2);
1740     }
1741 bertho 1.1 }
1742 bertho 1.16 }
1743    
1744 bertho 1.19 static void draw_branch(gdImagePtr im, branch_t *b)
1745 bertho 1.16 {
1746 bertho 1.25 int yy, xx;
1747 bertho 1.16 int i;
1748 bertho 1.17 int line[4];
1749 bertho 1.20 int l;
1750     int sign;
1751 bertho 1.17
1752 bertho 1.56 line[1] = line[2] = gdTransparent;
1753 bertho 1.17
1754 bertho 1.44 /* Trivial clip the branch */
1755     if(conf.left_right)
1756     {
1757     if(b->cx > gdImageSX(im) || b->cx+b->tw < 0 || b->y-b->th/2 > gdImageSY(im) || b->y+b->th/2 < 0)
1758     return;
1759     }
1760     else
1761     {
1762     if(b->cx-b->tw/2 > gdImageSX(im) || b->cx+b->tw/2 < 0 || b->y > gdImageSY(im) || b->y+b->th < 0)
1763     return;
1764     }
1765    
1766 bertho 1.26 draw_branch_box(im, b, 0, conf.left_right ? b->y - b->h/2 : b->y);
1767 bertho 1.1
1768 bertho 1.25 if(conf.left_right)
1769 bertho 1.16 {
1770 bertho 1.25 if(conf.upside_down)
1771 bertho 1.16 {
1772 bertho 1.25 xx = b->cx;
1773     for(i = 0; i < b->nrevs; i++)
1774 bertho 1.20 {
1775 bertho 1.25 revision_t *r = b->revs[i];
1776 bertho 1.59 line[0] = line[3] = clr(im, "rev_color", r, b, 0)->id;
1777 bertho 1.55 gdImageSetStyle(im, line, r->stripped > 0 ? 4 : 1);
1778 bertho 1.25 gdImageLine(im, xx, r->y, r->cx+r->w, r->y, gdStyled);
1779     for(sign = l = 1; l < conf.thick_lines; l++)
1780     {
1781     int pp = (l+1)/2*sign;
1782     gdImageLine(im, xx, r->y+pp, r->cx+r->w, r->y+pp, gdStyled);
1783     sign *= -1;
1784     }
1785     draw_rev(im, r);
1786     xx = r->cx;
1787     }
1788 bertho 1.32 if(conf.branch_dupbox && b->nrevs)
1789 bertho 1.25 {
1790     i = b->cx - b->tw + b->w;
1791 bertho 1.59 gdImageLine(im, xx, b->y, i+b->w, b->y, clr(im, "rev_color", NULL, b, 0)->id);
1792 bertho 1.25 for(sign = l = 1; l < conf.thick_lines; l++)
1793     {
1794     int pp = (l+1)/2*sign;
1795 bertho 1.59 gdImageLine(im, xx, b->y+pp, i+b->w, b->y+pp, clr(im, "rev_color", NULL, b, 0)->id);
1796 bertho 1.25 sign *= -1;
1797     }
1798 bertho 1.26 draw_branch_box(im, b, i - b->cx, b->y - b->h/2);
1799 bertho 1.20 }
1800 bertho 1.16 }
1801 bertho 1.25 else
1802 bertho 1.16 {
1803 bertho 1.25 xx = b->cx + b->w;
1804     for(i = 0; i < b->nrevs; i++)
1805     {
1806     revision_t *r = b->revs[i];
1807 bertho 1.59 line[0] = line[3] = clr(im, "rev_color", r, b, 0)->id;
1808 bertho 1.55 gdImageSetStyle(im, line, r->stripped > 0 ? 4 : 1);
1809 bertho 1.25 gdImageLine(im, xx, r->y, r->cx, r->y, gdStyled);
1810     for(sign = l = 1; l < conf.thick_lines; l++)
1811     {
1812     int pp = (l+1)/2*sign;
1813     gdImageLine(im, xx, r->y+pp, r->cx, r->y+pp, gdStyled);
1814     sign *= -1;
1815     }
1816     draw_rev(im, r);
1817     xx = r->cx + r->w;
1818     }
1819 bertho 1.32 if(conf.branch_dupbox && b->nrevs)
1820 bertho 1.20 {
1821 bertho 1.25 i = b->cx + b->tw - b->w;
1822 bertho 1.59 gdImageLine(im, xx, b->y, i, b->y, clr(im, "rev_color", NULL, b, 0)->id);
1823 bertho 1.25 for(sign = l = 1; l < conf.thick_lines; l++)
1824     {
1825     int pp = (l+1)/2*sign;
1826 bertho 1.59 gdImageLine(im, xx, b->y+pp, i, b->y+pp, clr(im, "rev_color", NULL, b, 0)->id);
1827 bertho 1.25 sign *= -1;
1828     }
1829 bertho 1.26 draw_branch_box(im, b, i - b->cx, b->y - b->h/2);
1830 bertho 1.20 }
1831 bertho 1.16 }
1832     }
1833     else
1834 bertho 1.1 {
1835 bertho 1.25 if(conf.upside_down)
1836 bertho 1.16 {
1837 bertho 1.25 yy = b->y;
1838     for(i = 0; i < b->nrevs; i++)
1839 bertho 1.20 {
1840 bertho 1.25 revision_t *r = b->revs[i];
1841 bertho 1.59 line[0] = line[3] = clr(im, "rev_color", r, b, 0)->id;
1842 bertho 1.55 gdImageSetStyle(im, line, r->stripped > 0 ? 4 : 1);
1843 bertho 1.25 gdImageLine(im, r->cx, yy, r->cx, r->y+r->h, gdStyled);
1844     for(sign = l = 1; l < conf.thick_lines; l++)
1845     {
1846     int pp = (l+1)/2*sign;
1847     gdImageLine(im, r->cx+pp, yy, r->cx+pp, r->y+r->h, gdStyled);
1848     sign *= -1;
1849     }
1850     draw_rev(im, r);
1851     yy = r->y;
1852     }
1853 bertho 1.32 if(conf.branch_dupbox && b->nrevs)
1854 bertho 1.25 {
1855     i = b->y - b->th + b->h;
1856 bertho 1.59 gdImageLine(im, b->cx, yy, b->cx, i, clr(im, "rev_color", NULL, b, 0)->id);
1857 bertho 1.25 for(sign = l = 1; l < conf.thick_lines; l++)
1858     {
1859     int pp = (l+1)/2*sign;
1860 bertho 1.59 gdImageLine(im, b->cx+pp, yy, b->cx+pp, i, clr(im, "rev_color", NULL, b, 0)->id);
1861 bertho 1.25 sign *= -1;
1862     }
1863 bertho 1.26 draw_branch_box(im, b, 0, i);
1864 bertho 1.20 }
1865 bertho 1.16 }
1866 bertho 1.25 else
1867 bertho 1.16 {
1868 bertho 1.25 yy = b->y + b->h;
1869     for(i = 0; i < b->nrevs; i++)
1870     {
1871     revision_t *r = b->revs[i];
1872 bertho 1.59 line[0] = line[3] = clr(im, "rev_color", r, b, 0)->id;
1873 bertho 1.55 gdImageSetStyle(im, line, r->stripped > 0 ? 4 : 1);
1874 bertho 1.25 gdImageLine(im, r->cx, yy, r->cx, r->y, gdStyled);
1875     for(sign = l = 1; l < conf.thick_lines; l++)
1876     {
1877     int pp = (l+1)/2*sign;
1878     gdImageLine(im, r->cx+pp, yy, r->cx+pp, r->y, gdStyled);
1879     sign *= -1;
1880     }
1881     draw_rev(im, r);
1882     yy = r->y + r->h;
1883     }
1884 bertho 1.32 if(conf.branch_dupbox && b->nrevs)
1885 bertho 1.20 {
1886 bertho 1.25 i = b->y + b->th - b->h;
1887 bertho 1.59 gdImageLine(im, b->cx, yy, b->cx, i, clr(im, "rev_color", NULL, b, 0)->id);
1888 bertho 1.25 for(sign = l = 1; l < conf.thick_lines; l++)
1889     {
1890     int pp = (l+1)/2*sign;
1891 bertho 1.59 gdImageLine(im, b->cx+pp, yy, b->cx+pp, i, clr(im, "rev_color", NULL, b, 0)->id);
1892 bertho 1.25 sign *= -1;
1893     }
1894 bertho 1.26 draw_branch_box(im, b, 0, i);
1895 bertho 1.20 }
1896 bertho 1.16 }
1897 bertho 1.1 }
1898     }
1899    
1900 bertho 1.19 static void draw_connector(gdImagePtr im, branch_t *b)
1901 bertho 1.1 {
1902 bertho 1.20 int l;
1903     int sign;
1904 bertho 1.1 revision_t *r = b->branchpoint;
1905 bertho 1.7 int x1 = r->cx + r->w/2 + 2;
1906 bertho 1.1 int y1 = r->y + r->h/2;
1907 bertho 1.7 int x2 = b->cx;
1908 bertho 1.1 int y2 = b->y;
1909 bertho 1.25
1910     if(conf.left_right)
1911     {
1912     x2 = r->cx + r->w/2;
1913 bertho 1.26 y2 = r->y + r->h/2 + 3;
1914 bertho 1.25 x1 = b->cx;
1915     y1 = b->y;
1916     if(conf.upside_down)
1917     x1 += b->w;
1918     }
1919     else
1920     {
1921     x1 = r->cx + r->w/2 + 2;
1922     y1 = r->y + r->h/2;
1923     x2 = b->cx;
1924     y2 = b->y;
1925     if(conf.upside_down)
1926     y2 += b->h;
1927     }
1928 bertho 1.59 gdImageLine(im, x1, y1, x2, y1, clr(im, "branch_color", NULL, b, 0)->id);
1929     gdImageLine(im, x2, y1, x2, y2, clr(im, "branch_color", NULL, b, 0)->id);
1930 bertho 1.20 for(sign = l = 1; l < conf.thick_lines; l++)
1931     {
1932     int pp = (l+1)/2*sign;
1933 bertho 1.59 gdImageLine(im, x1, y1+pp, x2, y1+pp, clr(im, "branch_color", NULL, b, 0)->id);
1934     gdImageLine(im, x2+pp, y1, x2+pp, y2, clr(im, "branch_color", NULL, b, 0)->id);
1935 bertho 1.20 sign *= -1;
1936     }
1937 bertho 1.1 }
1938    
1939 bertho 1.31 static void draw_merges(gdImagePtr im, rcsfile_t *rcs, int dot)
1940 bertho 1.30 {
1941     int i;
1942     for(i = 0; i < rcs->nmerges; i++)
1943     {
1944 bertho 1.49 revision_t *fr;
1945     revision_t *tr;
1946     int colorid;
1947 bertho 1.30 int x1, x2, y1, y2;
1948 bertho 1.49 switch(rcs->merges[i].type)
1949     {
1950     case TR_TAG:
1951     fr = rcs->merges[i].from.tag->logrev;
1952     tr = rcs->merges[i].to.tag->logrev;
1953 bertho 1.59 colorid = clr(im, "merge_color", NULL, NULL, rcs->merges[i].clr)->id;
1954 bertho 1.49 break;
1955     case TR_REVISION:
1956     fr = rcs->merges[i].from.rev;
1957     tr = rcs->merges[i].to.rev;
1958 bertho 1.59 colorid = clr(im, "merge_cvsnt_color", NULL, NULL, 0)->id;
1959 bertho 1.49 break;
1960     default:
1961     continue;
1962     }
1963 bertho 1.31 if(!fr || !tr || fr == tr)
1964     continue; /* This can happen with detached tags and self-references */
1965 bertho 1.30 if(conf.left_right)
1966     {
1967 bertho 1.32 if(fr->branch == tr->branch)
1968 bertho 1.30 {
1969 bertho 1.32 y1 = fr->y - fr->h/2;
1970 bertho 1.30 y2 = tr->y - tr->h/2;
1971     }
1972     else
1973     {
1974 bertho 1.61 if(fr->branch && fr->branch->branchpoint &&
1975     tr->branch && tr->branch->branchpoint &&
1976     fr->branch->branchpoint->branch == tr->branch->branchpoint->branch)
1977     {
1978     y1 = fr->y + fr->h/2;
1979     y2 = tr->y + tr->h/2;
1980     }
1981     else if(fr->y < tr->y)
1982 bertho 1.32 {
1983     y1 = fr->y + fr->h/2;
1984     y2 = tr->y - tr->h/2;
1985     }
1986     else
1987     {
1988     y1 = fr->y - fr->h/2;
1989     y2 = tr->y + tr->h/2;
1990     }
1991 bertho 1.30 }
1992     x1 = fr->cx + fr->w/2;
1993     x2 = tr->cx + tr->w/2;
1994     }
1995     else
1996     {
1997 bertho 1.32 if(fr->branch == tr->branch)
1998 bertho 1.30 {
1999 bertho 1.32 x1 = fr->cx - fr->w/2;
2000 bertho 1.30 x2 = tr->cx - tr->w/2;
2001     }
2002     else
2003     {
2004 bertho 1.61 if(fr->branch && fr->branch->branchpoint &&
2005     tr->branch && tr->branch->branchpoint &&
2006     fr->branch->branchpoint->branch == tr->branch->branchpoint->branch)
2007     {
2008     x1 = fr->cx + fr->w/2;
2009     x2 = tr->cx + tr->w/2;
2010     }
2011     else if(fr->cx < tr->cx)
2012 bertho 1.32 {
2013     x1 = fr->cx + fr->w/2;
2014     x2 = tr->cx - tr->w/2;
2015     }
2016     else
2017     {
2018     x1 = fr->cx - fr->w/2;
2019     x2 = tr->cx + tr->w/2;
2020     }
2021 bertho 1.30 }
2022 bertho 1.49 if(rcs->merges[i].type == TR_TAG)
2023     {
2024     y1 = fr->y + rcs->merges[i].from.tag->yofs;
2025     y2 = tr->y + rcs->merges[i].to.tag->yofs;
2026     }
2027     else
2028     {
2029     y1 = fr->y + fr->h/2;
2030     y2 = tr->y + tr->h/2;
2031     }
2032 bertho 1.30 }
2033 bertho 1.35 if(dot && !conf.merge_arrows)
2034 bertho 1.30 {
2035 bertho 1.31 int o = conf.left_right ? 1 : 0;
2036 bertho 1.49 gdImageArc(im, x2, y2+o, 8, 8, 0, 360, colorid);
2037 bertho 1.44 /* BUG: We clip manually because libgd segfaults on out of bound values */
2038     if(x2+1 >= 0 && x2+1 < gdImageSX(im) && y2+o+1 >= 0 && y2+o+1 < gdImageSY(im))
2039 bertho 1.49 gdImageFillToBorder(im, x2+1, y2+o+1, colorid, colorid);
2040 bertho 1.30 }
2041 bertho 1.35 else if(dot && conf.merge_arrows)
2042     {
2043     /*
2044     * Arrow patch from Haroon Rafique <haroon.rafique@utoronto.ca>
2045     * Slightly adapted to be more configurable.
2046     */
2047     int sx, sy; /* start point coordinates */
2048     int ex, ey; /* end point coordinates */
2049     double theta;
2050     double u1, v1, u2, v2;
2051     gdPoint p[3];
2052    
2053     sx = x1; sy = y1;
2054     ex = x2; ey = y2;
2055     if(conf.left_right)
2056     {
2057     if(fr->branch == tr->branch)
2058     {
2059     int yy = (y1 < y2 ? y1 : y2) - 5;
2060     /* line from (x1,yy) to (x2,yy) */
2061     sy = ey = yy;
2062     }
2063     else
2064     {
2065 bertho 1.61 if(fr->branch && fr->branch->branchpoint &&
2066     tr->branch && tr->branch->branchpoint &&
2067     fr->branch->branchpoint->branch == tr->branch->branchpoint->branch)
2068     {
2069     /* line from (x1,y1+3+1) to (x2,y2+3+1) */
2070     sy = y1+3+1;
2071     ey = y2+3+1;
2072     }
2073     else if(y1 > y2)
2074 bertho 1.35 {
2075     /* line from (x1,y1-3) to (x2,y2+3+1) */
2076     sy = y1-3;
2077     ey = y2+3+1;
2078     }
2079     else
2080     {
2081     /* line from (x1,y1+3+1) to (x2,y2-3) */
2082     sy = y1+3+1;
2083     ey = y2-3;
2084     }
2085     }
2086     }
2087     else
2088     {
2089     if(fr->branch == tr->branch)
2090     {
2091     int xx = (x1 < x2 ? x1 : x2) - 5;
2092     /* line from (xx,y1) to (xx,y2) */
2093     sx = ex = xx;
2094     }
2095     else
2096     {
2097 bertho 1.61 if(fr->branch && fr->branch->branchpoint &&
2098     tr->branch && tr->branch->branchpoint &&
2099     fr->branch->branchpoint->branch == tr->branch->branchpoint->branch)
2100     {
2101     /* line from (x1+3,y1) to (x2+3,y2) */
2102     sx = x1+3;
2103     ex = x2+3;
2104     }
2105     else if(x1 > x2)
2106 bertho 1.35 {
2107     /* line from (x1-3,y1) to (x2+3,y2) */
2108     sx = x1-3;
2109     ex = x2+3;
2110     }
2111     else
2112     {
2113     /* line from (x1+3,y1) to (x2-3,y2) */
2114     sx = x1+3;
2115     ex = x2-3;
2116     }
2117     }
2118     }
2119     /*
2120     * inspiration for arrow code comes from arrows.c in the
2121     * graphviz package. Thank you, AT&T
2122     */
2123     /* theta in radians */
2124     theta = atan2((double)(sy-ey), (double)(sx-ex));
2125     u1 = (double)conf.arrow_length * cos(theta);
2126     v1 = (double)conf.arrow_length * sin(theta);
2127     u2 = (double)conf.arrow_width * cos(theta + M_PI/2.0);
2128     v2 = (double)conf.arrow_width * sin(theta + M_PI/2.0);
2129     /* points of polygon (triangle) */
2130     p[0].x = ROUND(ex + u1 - u2);
2131     p[0].y = ROUND(ey + v1 - v2);
2132     p[1].x = ex;
2133     p[1].y = ey;
2134     p[2].x = ROUND(ex + u1 + u2);
2135     p[2].y = ROUND(ey + v1 + v2);
2136     /* draw the polygon (triangle) */
2137 bertho 1.49 gdImageFilledPolygon(im, p, 3, colorid);
2138 bertho 1.35 }
2139 bertho 1.30 else
2140     {
2141 bertho 1.31 if(conf.left_right)
2142 bertho 1.30 {
2143 bertho 1.32 if(fr->branch == tr->branch)
2144 bertho 1.31 {
2145 bertho 1.32 int yy = (y1 < y2 ? y1 : y2) - 5;
2146 bertho 1.49 gdImageLine(im, x1, y1, x1, yy, colorid);
2147     gdImageLine(im, x2, y2, x2, yy, colorid);
2148     gdImageLine(im, x1, yy, x2, yy, colorid);
2149 bertho 1.31 }
2150     else
2151     {
2152 bertho 1.61 if(fr->branch && fr->branch->branchpoint &&
2153     tr->branch && tr->branch->branchpoint &&
2154     fr->branch->branchpoint->branch == tr->branch->branchpoint->branch)
2155     {
2156     gdImageLine(im, x1, y1, x1, y1+3+1, colorid);
2157     gdImageLine(im, x2, y2+1, x2, y2+3+1, colorid);
2158     gdImageLine(im, x1, y1+3+1, x2, y2+3+1, colorid);
2159     }
2160     else if(y1 > y2)
2161 bertho 1.32 {
2162 bertho 1.49 gdImageLine(im, x1, y1, x1, y1-3, colorid);
2163     gdImageLine(im, x2, y2+1, x2, y2+3+1, colorid);
2164     gdImageLine(im, x1, y1-3, x2, y2+3+1, colorid);
2165 bertho 1.32 }
2166     else
2167     {
2168 bertho 1.49 gdImageLine(im, x1, y1+1, x1, y1+3+1, colorid);
2169     gdImageLine(im, x2, y2, x2, y2-3, colorid);
2170     gdImageLine(im, x1, y1+3+1, x2, y2-3, colorid);
2171 bertho 1.32 }
2172 bertho 1.31 }
2173 bertho 1.30 }
2174     else
2175     {
2176 bertho 1.32 if(fr->branch == tr->branch)
2177 bertho 1.31 {
2178 bertho 1.32 int xx = (x1 < x2 ? x1 : x2) - 5;
2179 bertho 1.49 gdImageLine(im, xx, y1, x1, y1, colorid);
2180     gdImageLine(im, xx, y2, x2, y2, colorid);
2181     gdImageLine(im, xx, y1, xx, y2, colorid);
2182 bertho 1.31 }
2183     else
2184     {
2185 bertho 1.61 if(fr->branch && fr->branch->branchpoint &&
2186     tr->branch && tr->branch->branchpoint &&
2187     fr->branch->branchpoint->branch == tr->branch->branchpoint->branch)
2188     {
2189     gdImageLine(im, x1, y1, x1+3, y1, colorid);
2190     gdImageLine(im, x2, y2, x2+3, y2, colorid);
2191     gdImageLine(im, x1+3, y1, x2+3, y2, colorid);
2192     }
2193     else if(x1 > x2)
2194 bertho 1.32 {
2195 bertho 1.49 gdImageLine(im, x1, y1, x1-3, y1, colorid);
2196     gdImageLine(im, x2, y2, x2+3, y2, colorid);
2197     gdImageLine(im, x1-3, y1, x2+3, y2, colorid);
2198 bertho 1.32 }
2199     else
2200     {
2201 bertho 1.49 gdImageLine(im, x1, y1, x1+3, y1, colorid);
2202     gdImageLine(im, x2, y2, x2-3, y2, colorid);
2203     gdImageLine(im, x1+3, y1, x2-3, y2, colorid);
2204 bertho 1.32 }
2205 bertho 1.31 }
2206 bertho 1.30 }
2207     }
2208     }
2209     }
2210    
2211 bertho 1.44 static void draw_messages(gdImagePtr im, int offset)
2212     {
2213     int i;
2214    
2215     for(i = 0; i < nmsg_stack; i++)
2216     {
2217 bertho 1.59 draw_stringnl(im, msg_stack[i].msg, &conf.msg_font, conf.margin_left, offset, ALIGN_HL|ALIGN_VT, clr(im, "msg_color", NULL, NULL, 0));
2218 bertho 1.44 offset += msg_stack[i].h;
2219     }
2220     }
2221    
2222     static gdImagePtr make_image(rcsfile_t *rcs)
2223 bertho 1.1 {
2224     gdImagePtr im;
2225     int i;
2226 bertho 1.58 int bgid;
2227 bertho 1.8 char *cptr;
2228 bertho 1.44 int w, h;
2229     int subx = 0, suby = 0;
2230     int msgh = 0;
2231    
2232     if(subtree_branch)
2233     {
2234 bertho 1.58 w = 0;
2235     h = 0;
2236 bertho 1.44 if(subtree_rev)
2237     {
2238     for(i = 0; i < subtree_rev->nbranches; i++)
2239 bertho 1.58 calc_subtree_size(subtree_rev->branches[i], &subx, &suby, &w, &h);
2240 bertho 1.44 }
2241     else
2242 bertho 1.58 calc_subtree_size(subtree_branch, &subx, &suby, &w, &h);
2243 bertho 1.44 }
2244     else
2245     {
2246 bertho 1.58 w = rcs->tw;
2247     h = rcs->th;
2248 bertho 1.44 }
2249 bertho 1.1
2250 bertho 1.15 cptr = expand_string(conf.title, rcs, NULL, NULL, NULL, NULL);
2251     i = get_swidth(cptr, &conf.title_font);
2252 bertho 1.44 if(i > w)
2253     w = i;
2254    
2255     if(!quiet && nmsg_stack)
2256     {
2257     int msgw = 0;
2258     for(i = 0; i < nmsg_stack; i++)
2259     {
2260     int ww = msg_stack[i].w = get_swidth(msg_stack[i].msg, &conf.msg_font);
2261     int hh = msg_stack[i].h = get_sheight(msg_stack[i].msg, &conf.msg_font);
2262     msgh += hh;
2263     h += hh;
2264     if(ww > msgw)
2265     msgw = ww;
2266     }
2267     if(msgw > w)
2268     w = msgw;
2269     }
2270    
2271 bertho 1.58 w += conf.margin_left + conf.margin_right;
2272     h += conf.margin_top + conf.margin_bottom;
2273    
2274 bertho 1.44 im = gdImageCreate(w, h);
2275 bertho 1.59 bgid = clr(im, "color_bg", NULL, NULL, 0)->id; /* The background is always a unique color, */
2276 bertho 1.58 zap_clr(); /* so clear the color ref table */
2277 bertho 1.60 clr(im, NULL, NULL, NULL, 0);
2278 bertho 1.1
2279 bertho 1.19 if(conf.transparent_bg)
2280 bertho 1.58 gdImageColorTransparent(im, bgid);
2281 bertho 1.19
2282 bertho 1.30 if(!conf.merge_front)
2283 bertho 1.31 draw_merges(im, rcs, 0);
2284 bertho 1.30
2285 bertho 1.1 for(i = 0; i < rcs->nbranches; i++)
2286 bertho 1.32 {
2287 bertho 1.44 if(!rcs->branches[i]->folded && !(subtree_branch && !rcs->branches[i]->subtree_draw))
2288 bertho 1.32 draw_branch(im, rcs->branches[i]);
2289     }
2290 bertho 1.31
2291     draw_merges(im, rcs, 1); /* The dots of the merge dest */
2292    
2293 bertho 1.1 for(i = 0; i < rcs->nbranches; i++)
2294     {
2295     if(rcs->branches[i]->branchpoint)
2296     draw_connector(im, rcs->branches[i]);
2297     }
2298 bertho 1.44
2299     /* Clear the margins if we have a partial tree */
2300     if(subtree_branch)
2301     {
2302 bertho 1.58 gdImageFilledRectangle(im, 0, 0, w-1, conf.margin_top-1, bgid);
2303     gdImageFilledRectangle(im, 0, 0, conf.margin_left-1, h-1, bgid);
2304     gdImageFilledRectangle(im, 0, h-conf.margin_bottom, w-1, h-1, bgid);
2305     gdImageFilledRectangle(im, w-conf.margin_right, 0, w-1, h-1, bgid);
2306 bertho 1.44 }
2307    
2308 bertho 1.59 draw_stringnl(im, cptr, &conf.title_font, conf.title_x, conf.title_y, conf.title_align, clr(im, "title_color", NULL, NULL, 0));
2309 bertho 1.8 xfree(cptr);
2310 bertho 1.1
2311 bertho 1.30 if(conf.merge_front)
2312 bertho 1.31 draw_merges(im, rcs, 0);
2313 bertho 1.30
2314 bertho 1.44 if(!quiet)
2315     draw_messages(im, h - conf.margin_bottom/2 - msgh);
2316    
2317 bertho 1.1 return im;
2318     }
2319    
2320 bertho 1.7 /*
2321     **************************************************************************
2322     * Layout routines
2323 bertho 1.19 *
2324     * Branch BBox:
2325     * left = center_x - total_width / 2 (cx-tw)/2
2326     * right = center_x + total_width / 2 (cx+tw)/2
2327     * top = y_pos (y)
2328     * bottom = y_pos + total_height (y+th)
2329     *
2330     * Margins of branches:
2331     *
2332     * . .
2333     * . .
2334     * +--------------+
2335     * ^
2336     * | branch_margin .
2337     * v .
2338     * ----------------+ .
2339     * | ^ |
2340     * | | branch_connect |
2341     * | v |
2342     *..-+ +t-----+------+ +------+------+
2343     * | l | | |
2344     * | <--> | branch bbox | <--> | branch bbox |
2345     * | | | r | | |
2346     *..-+ | +------------b+ | +-------------+
2347     * | ^ branch_margin
2348     * | | branch_margin
2349     * | v
2350     * | +-------------+
2351     * | . .
2352     * | . .
2353     * |
2354     * branch_margin
2355     *
2356     * FIXME: There are probable som +/-1 errors in the code...
2357     * (notably shadows are not calculated in the margins)
2358 bertho 1.7 **************************************************************************
2359     */
2360 bertho 1.19 static void move_branch(branch_t *b, int x, int y)
2361 bertho 1.1 {
2362     int i;
2363 bertho 1.7 b->cx += x;
2364 bertho 1.1 b->y += y;
2365     for(i = 0; i < b->nrevs; i++)
2366     {
2367 bertho 1.7 b->revs[i]->cx += x;
2368 bertho 1.1 b->revs[i]->y += y;
2369     }
2370     }
2371    
2372 bertho 1.19 static void initial_reposition_branch(revision_t *r, int *x, int *w)
2373 bertho 1.6 {
2374     int i, j;
2375     for(j = 0; j < r->nbranches; j++)
2376     {
2377     branch_t *b = r->branches[j];
2378 bertho 1.7 *x += *w + conf.rev_minline + b->tw/2 - b->cx;
2379 bertho 1.6 *w = b->tw/2;
2380 bertho 1.7 move_branch(b, *x, r->y + r->h/2 + conf.branch_connect);
2381     *x = b->cx;
2382 bertho 1.6 /* Recurse to move branches of branched revisions */
2383     for(i = b->nrevs-1; i >= 0; i--)
2384     {
2385 bertho 1.18 initial_reposition_branch(b->revs[i], x, w);
2386 bertho 1.6 }
2387     }
2388     }
2389    
2390 bertho 1.25 static void initial_reposition_branch_lr(revision_t *r, int *y, int *h)
2391     {
2392     int i, j;
2393     for(j = 0; j < r->nbranches; j++)
2394     {
2395     branch_t *b = r->branches[j];
2396     *y += *h + conf.rev_minline + b->th/2 - b->y;
2397     *h = b->th/2;
2398     move_branch(b, r->cx + r->w/2 + conf.branch_connect, *y);
2399     *y = b->y;
2400     /* Recurse to move branches of branched revisions */
2401     for(i = b->nrevs-1; i >= 0; i--)
2402     {
2403 bertho 1.32 initial_reposition_branch_lr(b->revs[i], y, h);
2404 bertho 1.25 }
2405     }
2406     }
2407    
2408 bertho 1.19 static void rect_union(int *x, int *y, int *w, int *h, branch_t *b)
2409 bertho 1.1 {
2410     int x1 = *x;
2411     int x2 = x1 + *w;
2412     int y1 = *y;
2413     int y2 = y1 + *h;
2414 bertho 1.25 int xx1;
2415     int xx2;
2416     int yy1;
2417     int yy2;
2418    
2419     if(conf.left_right)
2420     {
2421     xx1 = b->cx;
2422     yy1 = b->y - b->th/2;
2423     }
2424     else
2425     {
2426     xx1 = b->cx - b->tw/2;
2427     yy1 = b->y;
2428     }
2429     xx2 = xx1 + b->tw;
2430     yy2 = yy1 + b->th;
2431    
2432 bertho 1.1 x1 = MIN(x1, xx1);
2433     x2 = MAX(x2, xx2);
2434     y1 = MIN(y1, yy1);
2435     y2 = MAX(y2, yy2);
2436     *x = x1;
2437     *y = y1;
2438     *w = x2 - x1;
2439     *h = y2 - y1;
2440     }
2441    
2442 bertho 1.44 static void calc_subtree_size(branch_t *b, int *x, int *y, int *w, int *h)
2443     {
2444     int i, j;
2445    
2446     rect_union(x, y, w, h, b);
2447    
2448     for(i = 0; i < b->nrevs; i++)
2449     {
2450     for(j = 0; j < b->revs[i]->nbranches; j++)
2451     calc_subtree_size(b->revs[i]->branches[j], x, y, w, h);
2452     }
2453     }
2454    
2455 bertho 1.19 static int branch_intersects(int top, int bottom, int left, branch_t *b)
2456 bertho 1.7 {
2457     int br = b->cx + b->tw/2;
2458     int bt = b->y - conf.branch_connect - conf.branch_margin/2;
2459     int bb = b->y + b->th + conf.branch_margin/2;
2460     return !(bt > bottom || bb < top || br >= left);
2461     }
2462    
2463 bertho 1.25 static int branch_intersects_lr(int left, int right, int top, branch_t *b)
2464     {
2465     int bt = b->y + b->th/2;
2466     int bl = b->cx - conf.branch_connect - conf.branch_margin/2;
2467     int br = b->cx + b->tw + conf.branch_margin/2;
2468     return !(bl > right || br < left || bt >= top);
2469     }
2470    
2471 bertho 1.19 static int kern_branch(rcsfile_t *rcs, branch_t *b)
2472 bertho 1.7 {
2473     int left = b->cx - b->tw/2;
2474     int top = b->y - conf.branch_connect - conf.branch_margin/2;
2475     int bottom = b->y + b->th + conf.branch_margin/2;
2476     int i;
2477     int xpos = 0;
2478    
2479     for(i = 0; i < rcs->nbranches; i++)
2480     {
2481     branch_t *bp = rcs->branches[i];
2482     if(bp == b)
2483     continue;
2484     if(branch_intersects(top, bottom, left, bp))
2485     {
2486     int m = bp->cx + bp->tw/2 + conf.branch_margin;
2487     if(m > xpos)
2488     xpos = m;
2489     }
2490     }
2491     if(xpos && (b->cx - b->tw/2) - xpos > 0)
2492     {
2493     move_branch(b, xpos - (b->cx - b->tw/2), 0);
2494     return 1;
2495     }
2496     return 0;
2497     }
2498    
2499 bertho 1.25 static int kern_branch_lr(rcsfile_t *rcs, branch_t *b)
2500     {
2501     int top = b->y - b->th/2;
2502     int left = b->cx - conf.branch_connect - conf.branch_margin/2;
2503     int right = b->cx + b->tw + conf.branch_margin/2;
2504     int i;
2505     int ypos = 0;
2506    
2507     for(i = 0; i < rcs->nbranches; i++)
2508     {
2509     branch_t *bp = rcs->branches[i];
2510     if(bp == b)
2511     continue;
2512     if(branch_intersects_lr(left, right, top, bp))
2513     {
2514     int m = bp->y + bp->th/2 + conf.branch_margin;
2515     if(m > ypos)
2516     ypos = m;
2517     }
2518     }
2519     if(ypos && (b->y - b->th/2) - ypos > 0)
2520     {
2521     move_branch(b, 0, ypos - (b->y - b->th/2));
2522     return 1;
2523     }
2524     return 0;
2525     }
2526    
2527 bertho 1.19 static int kern_tree(rcsfile_t *rcs)
2528 bertho 1.18 {
2529     int i;
2530     int moved;
2531 bertho 1.19 int safeguard;
2532     int totalmoved = 0;
2533     for(moved = 1, safeguard = LOOPSAFEGUARD; moved && safeguard; safeguard--)
2534 bertho 1.18 {
2535     moved = 0;
2536     for(i = 1; i < rcs->nbranches; i++)
2537     {
2538 bertho 1.25 if(conf.left_right)
2539     moved += kern_branch_lr(rcs, rcs->branches[i]);
2540     else
2541     moved += kern_branch(rcs, rcs->branches[i]);
2542 bertho 1.18 }
2543 bertho 1.19 totalmoved += moved;
2544 bertho 1.18 #ifdef DEBUG
2545     fprintf(stderr, "kern_tree: moved=%d\n", moved);
2546     #endif
2547     }
2548 bertho 1.44 if(!safeguard)
2549     stack_msg(MSG_WARN, "kern_tree: safeguard terminated possible infinite loop; please report.");
2550 bertho 1.19 return totalmoved;
2551     }
2552    
2553     static int index_of_revision(revision_t *r)
2554     {
2555     branch_t *b = r->branch;
2556     int i;
2557     for(i = 0; i < b->nrevs; i++)
2558     {
2559     if(r == b->revs[i])
2560     return i;
2561     }
2562 bertho 1.44 stack_msg(MSG_ERR, "index_of_revision: Cannot find revision in branch\n");
2563 bertho 1.19 return 0;
2564 bertho 1.18 }
2565    
2566 bertho 1.19 static void branch_bbox(branch_t *br, int *l, int *r, int *t, int *b)
2567     {
2568     if(l) *l = br->cx - br->tw/2;
2569     if(r) *r = br->cx + br->tw/2;
2570     if(t) *t = br->y;
2571 bertho 1.32 if(b) *b = br->y + br->th + ((conf.branch_dupbox && br->nrevs) ? conf.rev_minline + br->h : 0);
2572 bertho 1.19 }
2573    
2574     static void branch_ext_bbox(branch_t *br, int *l, int *r, int *t, int *b)
2575     {
2576     int extra = conf.branch_margin & 1; /* Correct +/-1 error on div 2 */
2577     branch_bbox(br, l, r, t, b);
2578     if(l) *l -= conf.branch_margin/2;
2579     if(r) *r += conf.branch_margin/2 + extra;
2580     if(t) *t -= conf.branch_connect + conf.branch_margin/2;
2581     if(b) *b += conf.branch_margin/2 + extra;
2582     }
2583    
2584     static int branch_distance(branch_t *br1, branch_t *br2)
2585     {
2586     int l1, r1, t1, b1;
2587     int l2, r2, t2, b2;
2588     assert(br1 != NULL);
2589     assert(br2 != NULL);
2590     branch_bbox(br1, &l1, &r1, NULL, NULL);
2591     branch_bbox(br2, &l2, &r2, NULL, NULL);
2592     branch_ext_bbox(br1, NULL, NULL, &t1, &b1);
2593     branch_ext_bbox(br2, NULL, NULL, &t2, &b2);
2594     /* Return:
2595     * - 0 if branches have no horizontal overlap
2596     * - positive if b1 is left of b2
2597     * - negative if b2 is left of b1
2598     */
2599     if((t1 > t2 && t1 < b2) || (b1 > t2 && b1 < b2))
2600     return l1 < l2 ? l2 - r1 : -(l1 - r2);
2601     else
2602     return 0;
2603     }
2604    
2605     static int space_needed(branch_t *br1, branch_t *br2)
2606     {
2607     int t1, b1;
2608     int t2, b2;
2609     assert(br1 != NULL);
2610     assert(br2 != NULL);
2611     assert(br1->cx < br2->cx); /* br1 must be left of br2 */
2612     branch_ext_bbox(br1, NULL, NULL, &t1, &b1);
2613     branch_ext_bbox(br2, NULL, NULL, &t2, &b2);
2614     /* Return:
2615     * - positive if top br1 is located lower than br2
2616     * - negatve is top br2 is located lower than br1
2617     */
2618     if(t1 > t2)
2619     return -(t1 - b2);
2620     else
2621     return t2 - b1;
2622     }
2623    
2624     static void move_yr_branch(branch_t *b, int dy)
2625 bertho 1.18 {
2626     int i, j;
2627     #ifdef DEBUG
2628 bertho 1.23 /* fprintf(stderr, "move_yr_branch: b=%s, dy=%d\n", b->branch->branch, dy);*/
2629 bertho 1.18 #endif
2630 bertho 1.19 b->y += dy;
2631     for(i = 0; i < b->nrevs; i++)
2632 bertho 1.18 {
2633 bertho 1.19 b->revs[i]->y += dy;
2634     for(j = 0; j < b->revs[i]->nbranches; j++)
2635 bertho 1.18 {
2636 bertho 1.19 #ifdef DEBUG
2637 bertho 1.23 /* fprintf(stderr, ".");*/
2638 bertho 1.19 #endif
2639     move_yr_branch(b->revs[i]->branches[j], dy);
2640 bertho 1.18 }
2641     }
2642     }
2643    
2644 bertho 1.19 static void move_trunk(revision_t *r, int dy)
2645 bertho 1.18 {
2646 bertho 1.19 int i, j;
2647 bertho 1.18 branch_t *b = r->branch;
2648 bertho 1.19 b->th += dy;
2649     for(i = index_of_revision(r); i < b->nrevs; i++)
2650 bertho 1.18 {
2651 bertho 1.19 #ifdef DEBUG
2652     fprintf(stderr, "move_trunk: start %s, moving %s by %d (b's %d)\n", r->rev->rev, b->revs[i]->rev->rev, dy, b->revs[i]->nbranches);
2653     #endif
2654     b->revs[i]->y += dy;
2655     for(j = 0; j < b->revs[i]->nbranches; j++)
2656     {
2657     move_yr_branch(b->revs[i]->branches[j], dy);
2658     }
2659 bertho 1.18 }
2660     }
2661    
2662 bertho 1.19 static int space_below(rcsfile_t *rcs, revision_t *r)
2663 bertho 1.18 {
2664 bertho 1.19 int i, j;
2665     int bl, br, bb;
2666 bertho 1.18 int space = INT_MAX;
2667 bertho 1.19 branch_t *b = r->branch;
2668     branch_t *minb = NULL;
2669    
2670     branch_ext_bbox(b, &bl, &br, NULL, &bb);
2671 bertho 1.18 for(i = 0; i < rcs->nbranches; i++)
2672     {
2673 bertho 1.19 int tbl, tbr, tbt;
2674 bertho 1.18 branch_t *tb = rcs->branches[i];
2675 bertho 1.19 branch_ext_bbox(tb, &tbl, &tbr, &tbt, NULL);
2676 bertho 1.18 if(tb == b)
2677     continue;
2678 bertho 1.19 if(tbt > bb) /* Must be below our branch */
2679 bertho 1.18 {
2680 bertho 1.19 if(tb->branchpoint) /* Take account for the horiz connector */
2681     tbl = tb->branchpoint->cx + tb->branchpoint->branch->tw/2;
2682     if((bl >= tbl && bl <= tbr) || (br <= tbr && br >= tbl))
2683 bertho 1.18 {
2684 bertho 1.19 int s = tbt - bb - conf.branch_connect;
2685     if(s < space)
2686 bertho 1.18 {
2687 bertho 1.19 space = s;
2688     minb = tb;
2689 bertho 1.18 }
2690     }
2691     }
2692     }
2693 bertho 1.19 if(b->branchpoint)
2694     {
2695     for(i = index_of_revision(r); i < b->nrevs; i++)
2696     {
2697     for(j = 0; j < b->revs[i]->nbranches; j++)
2698     {
2699     int s = space_below(rcs, b->revs[i]->branches[j]->revs[0]);
2700     if(s < space)
2701     space = s;
2702     }
2703     }
2704     }
2705     #ifdef DEBUG
2706     fprintf(stderr, "space_below: from %s have %d to %s\n", b->branch->branch, space, minb ? minb->branch->branch : "<recursed>");
2707     #endif
2708 bertho 1.18 return space;
2709     }
2710    
2711 bertho 1.19 static int space_available(rcsfile_t *rcs, branch_t *colbr, branch_t *tagbr, int *nl, revision_t **bpcommon)
2712 bertho 1.18 {
2713 bertho 1.19 int i;
2714     int space = 0;
2715     int nlinks = 0;
2716     revision_t *r;
2717     branch_t *b;
2718     branch_t *ancestor;
2719     revision_t *branchpoint;
2720    
2721     if(!tagbr->branchpoint || !colbr->branchpoint)
2722 bertho 1.18 {
2723 bertho 1.44 stack_msg(MSG_WARN, "space_available: Trying to stretch the top?");
2724 bertho 1.19 return 0;
2725 bertho 1.18 }
2726 bertho 1.19
2727     r = colbr->branchpoint;
2728     b = r->branch;
2729     branchpoint = tagbr->branchpoint;
2730     ancestor = branchpoint->branch;
2731     assert(b != NULL);
2732     assert(ancestor != NULL);
2733    
2734     while(1)
2735 bertho 1.18 {
2736 bertho 1.19 int s;
2737     int rtag = b == ancestor ? index_of_revision(branchpoint)+1 : 0;
2738     for(i = index_of_revision(r); i >= rtag; i--)
2739 bertho 1.18 {
2740 bertho 1.19 if(i > 0)
2741     s = b->revs[i]->y - (b->revs[i-1]->y + b->revs[i-1]->h);
2742     else
2743     s = b->revs[i]->y - (b->y + b->h);
2744     if(s < conf.rev_maxline)
2745     {
2746     space += conf.rev_maxline - s;
2747     nlinks++;
2748     }
2749 bertho 1.18 }
2750 bertho 1.19 s = space_below(rcs, r);
2751     if(s < space)
2752     space = s;
2753     #ifdef DEBUG
2754     if(space < 0)
2755     return -1;
2756     #endif
2757     if(b == ancestor)
2758     break;
2759     r = b->branchpoint;
2760     if(!r)
2761     {
2762     /* Not a common ancestor */
2763     r = colbr->branchpoint;
2764     b = r->branch;
2765     branchpoint = ancestor->branchpoint;
2766     if(!branchpoint)
2767     {
2768 bertho 1.44 stack_msg(MSG_WARN, "space_available: No common ancestor?");
2769 bertho 1.19 return 0;
2770     }
2771     ancestor = branchpoint->branch;
2772     assert(ancestor != NULL);
2773     nlinks = 0;
2774     space = 0;
2775     continue; /* Restart with a new ancestor */
2776     }
2777     b = r->branch;
2778     }
2779     if(nl)
2780     *nl = nlinks; /* Return the number of links that can stretch */
2781     if(bpcommon)
2782     *bpcommon = branchpoint; /* Return the ancestral branchpoint on the common branch */
2783     return space;
2784 bertho 1.18 }
2785    
2786 bertho 1.19 static int stretch_branches(rcsfile_t *rcs, branch_t *br1, branch_t *br2, int totalstretch)
2787 bertho 1.18 {
2788 bertho 1.19 revision_t *r;
2789     revision_t *bpcommon = NULL;
2790     branch_t *ancestor = NULL;
2791     branch_t *b;
2792 bertho 1.18 int i;
2793 bertho 1.19 int space;
2794 bertho 1.59 int nlinks = 0;
2795 bertho 1.19 int dy;
2796     int rest;
2797    
2798     space = space_available(rcs, br1, br2, &nlinks, &bpcommon);
2799     if(bpcommon)
2800     ancestor = bpcommon->branch;
2801    
2802     #ifdef DEBUG
2803     if(space == -1)
2804     return 0;
2805     fprintf(stderr, "stretch_branches: space available %d over %d links common %s\n", space, nlinks, ancestor->branch->branch);
2806     #endif
2807     if(space < totalstretch)
2808     return 0;
2809    
2810     dy = totalstretch / nlinks;
2811     rest = totalstretch - dy * nlinks;
2812    
2813     r = br1->branchpoint;
2814     b = r->branch;
2815     while(1)
2816 bertho 1.18 {
2817 bertho 1.19 int rtag = b == ancestor ? index_of_revision(bpcommon)+1 : 0;
2818     for(i = index_of_revision(r); i >= rtag; i--)
2819     {
2820     int s, q;
2821     if(i > 0)
2822     s = b->revs[i]->y - (b->revs[i-1]->y + b->revs[i-1]->h);
2823     else
2824     s = b->revs[i]->y - (b->y + b->h);
2825     q = conf.rev_maxline - s;
2826     if(q > 0)
2827     {
2828     int d = rest ? rest/nlinks+1 : 0;
2829     if(q >= dy+d)
2830     {
2831     move_trunk(b->revs[i], dy+d);
2832     }
2833     else
2834     {
2835     move_trunk(b->revs[i], q);
2836     rest += dy+d - q;
2837     }
2838     rest -= d;
2839     nlinks--;
2840     }
2841     }
2842     if(b == ancestor)
2843     break;
2844     r = b->branchpoint;
2845     assert(r != NULL); /* else 'space_available' wouldn't have returned positively */
2846     b = r->branch;
2847 bertho 1.18 }
2848 bertho 1.19 return 1;
2849 bertho 1.18 }
2850    
2851 bertho 1.19 static branch_t *find_collision_branch(rcsfile_t *rcs, branch_t *b)
2852 bertho 1.18 {
2853     int i;
2854 bertho 1.19 int dist = INT_MAX;
2855     branch_t *col = NULL;
2856    
2857 bertho 1.18 for(i = 0; i < rcs->nbranches; i++)
2858     {
2859 bertho 1.19 int t = branch_distance(rcs->branches[i], b);
2860     if(t > 0 && t < dist)
2861 bertho 1.18 {
2862 bertho 1.19 dist = t;
2863     col = rcs->branches[i];
2864 bertho 1.18 }
2865     }
2866 bertho 1.19 return col;
2867 bertho 1.18 }
2868    
2869 bertho 1.44 static void auto_stretch(rcsfile_t *rcs)
2870 bertho 1.18 {
2871 bertho 1.19 int i;
2872     int safeguard;
2873 bertho 1.18
2874 bertho 1.19 for(i = 0, safeguard = LOOPSAFEGUARD; i < rcs->nbranches && safeguard; i++)
2875 bertho 1.18 {
2876 bertho 1.19 int bl, pr;
2877     branch_t *b = rcs->branches[i];
2878     if(!b->branchpoint)
2879     continue;
2880     branch_bbox(b, &bl, NULL, NULL, NULL);
2881     branch_bbox(b->branchpoint->branch, NULL, &pr, NULL, NULL);
2882     if(bl - conf.branch_margin - pr > 0)
2883 bertho 1.18 {
2884 bertho 1.19 branch_t *col;
2885 bertho 1.18 int spaceneeded;
2886 bertho 1.19 /* There is a potential to move branch b further left.
2887     * All branches obstructing this one from moving further
2888     * left must be originating from revisions below
2889     * b->branchpoint until a common ancester.
2890     * So, we search all branches for a branch that lies left
2891     * of b and is closest to b. This is then the collission
2892     * branch that needs to be moved.
2893     */
2894     col = find_collision_branch(rcs, b);
2895     if(!col)
2896 bertho 1.18 continue;
2897 bertho 1.19 spaceneeded = space_needed(col, b);
2898     if(spaceneeded < 0)
2899     continue;
2900     #ifdef DEBUG
2901     fprintf(stderr, "auto_stretch: %s collides %s need %d\n", b->branch->branch, col->branch->branch, spaceneeded);
2902     #endif
2903     /* Trace the collision branch back to find the common ancester
2904     * of both col and b. All revisions encountered while traversing
2905     * backwards must be stretched, including all revisions on the
2906     * common ancester from where the branches sprout.
2907     */
2908     if(stretch_branches(rcs, col, b, spaceneeded))
2909 bertho 1.18 {
2910 bertho 1.19 if(kern_tree(rcs))
2911     {
2912     /* Restart the process because movement can
2913     * cause more movement.
2914     */
2915     i = 0 - 1; /* -1 for the i++ of the loop */
2916     safeguard--; /* Prevent infinite loop, just in case */
2917     }
2918 bertho 1.23 /*return;*/
2919 bertho 1.18 }
2920     }
2921     }
2922 bertho 1.44 if(!safeguard)
2923     stack_msg(MSG_ERR, "auto_stretch: safeguard terminated possible infinite loop; please report.");
2924 bertho 1.18 }
2925    
2926 bertho 1.32 static void fold_branch(rcsfile_t *rcs, revision_t *r)
2927     {
2928     int i, j;
2929     branch_t *btag = NULL;
2930    
2931     for(i = 0; i < r->nbranches; i++)
2932     {
2933     branch_t *b = r->branches[i];
2934     if(!b->nrevs && b->ntags < 2)
2935     {
2936     /* No commits in this branch and no duplicate tags */
2937     if(!btag)
2938     btag = b;
2939     else
2940     {
2941     /* We have consecutive empty branches, fold */
2942     b->folded = 1;
2943 bertho 1.44 b->folded_to = btag;
2944 bertho 1.32 for(j = 0; j < rcs->nbranches; j++)
2945     {
2946     if(b == rcs->branches[j])
2947     {
2948     /* Zap the branch from the admin */
2949     memmove(&rcs->branches[j],
2950     &rcs->branches[j+1],
2951     (rcs->nbranches - j - 1)*sizeof(rcs->branches[0]));
2952     rcs->nbranches--;
2953 bertho 1.54 rcs->nfolds++;
2954 bertho 1.32 break;
2955     }
2956    
2957     }
2958     memmove(&r->branches[i], &r->branches[i+1], (r->nbranches - i - 1)*sizeof(r->branches[0]));
2959     r->nbranches--;
2960     i--; /* We have one less now */
2961    
2962     /* Add to the fold-list */
2963     btag->folds = xrealloc(btag->folds, (btag->nfolds+1) * sizeof(btag->folds[0]));
2964     btag->folds[btag->nfolds] = b;
2965     btag->nfolds++;
2966     }
2967     }
2968     else
2969     {
2970 bertho 1.33 if(!conf.branch_foldall)
2971     btag = NULL; /* Start a new box */
2972 bertho 1.32 /* Recursively fold sub-branches */
2973     for(j = 0; j < b->nrevs; j++)
2974     fold_branch(rcs, b->revs[j]);
2975     }
2976     }
2977     }
2978    
2979 bertho 1.44 static void mark_subtree(branch_t *b)
2980     {
2981     int i, j;
2982     b->subtree_draw = 1;
2983     for(i = 0; i < b->nrevs; i++)
2984     {
2985     for(j = 0; j < b->revs[i]->nbranches; j++)
2986     mark_subtree(b->revs[i]->branches[j]);
2987     }
2988     }
2989    
2990     static void make_layout(rcsfile_t *rcs)
2991 bertho 1.1 {
2992     int i, j;
2993     int x, y;
2994     int w, h;
2995     int w2;
2996    
2997 bertho 1.16 /* Remove all unwanted revisions */
2998     if(conf.strip_untagged)
2999     {
3000 bertho 1.21 int fr = conf.strip_first_rev ? 0 : 1;
3001 bertho 1.16 for(i = 0; i < rcs->nbranches; i++)
3002     {
3003     branch_t *bp = rcs->branches[i];
3004 bertho 1.18 for(j = fr; j < bp->nrevs-1; j++)
3005 bertho 1.16 {
3006 bertho 1.60 if(!bp->revs[j]->ntags && bp->revs[j]->stripped >= 0 && !bp->revs[j]->mergetarget && !bp->revs[j]->nbranches)
3007 bertho 1.16 {
3008 bertho 1.60 bp->revs[j+1]->stripped = 1;
3009 bertho 1.16 memmove(&bp->revs[j], &bp->revs[j+1], (bp->nrevs-j-1) * sizeof(bp->revs[0]));
3010     bp->nrevs--;
3011     j--;
3012     }
3013     }
3014     }
3015     }
3016    
3017 bertho 1.44 /* Find the sub-tree(s) we want to see */
3018     if(conf.branch_subtree && conf.branch_subtree[0])
3019     {
3020     branch_t **b;
3021     revision_t **r;
3022     rev_t rev;
3023     int k;
3024     char *tag = conf.branch_subtree;
3025    
3026     /* First translate any symbolic tag to a real branch/revision number */
3027     if(rcs->tags)
3028     {
3029     for(k = 0; k < rcs->tags->ntags; k++)
3030     {
3031     if(!strcmp(conf.branch_subtree, rcs->tags->tags[k]->tag))
3032     {
3033     if(rcs->tags->tags[k]->rev->isbranch)
3034     tag = rcs->tags->tags[k]->rev->branch;
3035     else
3036     tag = rcs->tags->tags[k]->rev->rev;
3037     break;
3038     }
3039     }
3040     }
3041    
3042     /* Find the corresponding branch */
3043     rev.branch = tag;
3044     rev.rev = NULL;
3045     rev.isbranch = 1;
3046     b = bsearch(&rev, rcs->branches, rcs->nbranches, sizeof(rcs->branches[0]), search_branch);
3047     if(b)
3048     {
3049     if((*b)->branchpoint)
3050     {
3051     subtree_branch = *b;
3052     for(k = 0; k < (*b)->branchpoint->nbranches; k++)
3053     mark_subtree((*b)->branchpoint->branches[k]);
3054     }
3055     /*
3056     * else -> we want everything.
3057     * This happens for the top level branch because it has no
3058     * branchpoint. We do not set the subtree_branch, which then
3059     * results in drawing the whole tree as if we did not select a
3060     * particular branch.
3061     */
3062     }
3063     else
3064     {
3065     /* Maybe it is a revision we want all subtrees from */
3066     rev.rev = tag;
3067     rev.branch = NULL;
3068     rev.isbranch = 0;
3069     r = bsearch(&rev, rcs->srev, rcs->nsrev, sizeof(rcs->srev[0]), search_revision);
3070     if(r)
3071     {
3072     if((*r)->nbranches)
3073     {
3074     subtree_branch = (*r)->branches[0];
3075     subtree_rev = *r;
3076     for(k = 0; k < (*r)->nbranches; k++)
3077     mark_subtree((*r)->branches[k]);
3078     }
3079     /*
3080     * else -> we select everything.
3081     * This happens for the any revision that has no branches.
3082     * We do not set the subtree_branch, which then results in
3083     * drawing the whole tree as if we did not select a
3084     * particular revision's branches.
3085     */
3086     }
3087     }
3088     }
3089    
3090     /* Fold all empty branches in one box on the same branchpoint */
3091 bertho 1.32 if(conf.branch_fold)
3092     {
3093     for(i = 0; i < rcs->branches[0]->nrevs; i++)
3094     {
3095 bertho 1.44 if(rcs->branches[0]->revs[i]->nbranches > 0)
3096 bertho 1.32 fold_branch(rcs, rcs->branches[0]->revs[i]);
3097 bertho 1.40 }
3098     }
3099    
3100     /* Remove all unwanted tags */
3101     for(i = 0; i < rcs->nbranches; i++)
3102     {
3103     branch_t *bp = rcs->branches[i];
3104     for(j = 0; j < bp->nrevs; j++)
3105     {
3106     revision_t *r = bp->revs[j];
3107     int k;
3108     for(k = 0; k < r->ntags; k++)
3109     {
3110 bertho 1.43 if(r->tags[k]->ignore > 0)
3111 bertho 1.40 {
3112     memmove(&r->tags[k], &r->tags[k+1], (r->ntags-k-1) * sizeof(r->tags[0]));
3113     r->ntags--;
3114     k--;
3115     }
3116     }
3117 bertho 1.32 }
3118     }
3119    
3120 bertho 1.1 /* Calculate the box-sizes of the revisions */
3121 bertho 1.7 for(i = 0; i < rcs->nsrev; i++)
3122 bertho 1.1 {
3123     revision_t *rp;
3124     int w;
3125     int h;
3126 bertho 1.7 rp = rcs->srev[i];
3127 bertho 1.60 rp->revtext = expand_string(conf.rev_text.node ? eval_string(conf.rev_text.node, rp) : conf.rev_text.str, rcs, rp, rp->rev, NULL, rp->ntags ? rp->tags[0] : NULL);
3128     rp->revidtext = expand_string(conf.rev_idtext.node ? eval_string(conf.rev_idtext.node, rp) : conf.rev_idtext.str, rcs, rp, rp->rev, NULL, rp->ntags ? rp->tags[0] : NULL);
3129 bertho 1.9 w = get_swidth(rp->revtext, &conf.rev_text_font);
3130 bertho 1.60 j = get_swidth(rp->revidtext, &conf.rev_font);
3131 bertho 1.9 if(j > w)
3132     w = j;
3133 bertho 1.46 h = get_sheight(rp->revtext, &conf.rev_text_font);
3134     if(!conf.rev_hidenumber)
3135 bertho 1.60 h += get_sheight(rp->revidtext, &conf.rev_font);
3136 bertho 1.1 for(j = 0; j < rp->ntags; j++)
3137     {
3138     int ww = get_swidth(rp->tags[j]->tag, &conf.tag_font);
3139 bertho 1.31 int th;
3140 bertho 1.1 if(ww > w) w = ww;
3141 bertho 1.31 th = get_sheight(rp->tags[j]->tag, &conf.tag_font) + conf.rev_separator;
3142     rp->tags[j]->yofs = h + th/2 + conf.rev_tspace;
3143     h += th;
3144 bertho 1.1 }
3145     rp->w = w + conf.rev_lspace + conf.rev_rspace;
3146     rp->h = h + conf.rev_tspace + conf.rev_bspace;
3147     }
3148    
3149     /* Calculate the box-sizes of the branches */
3150     for(i = 0; i < rcs->nbranches; i++)
3151     {
3152     branch_t *bp = rcs->branches[i];
3153     int w;
3154     int h;
3155 bertho 1.32 if(!bp->nfolds)
3156     {
3157     w = get_swidth(bp->branch->branch, &conf.branch_font);
3158 bertho 1.46 if(conf.rev_hidenumber)
3159     h = 0;
3160     else
3161     h = get_sheight(bp->branch->branch, &conf.branch_font);
3162 bertho 1.32 for(j = 0; j < bp->ntags; j++)
3163     {
3164     int ww = get_swidth(bp->tags[j]->tag, &conf.branch_tag_font);
3165     if(ww > w) w = ww;
3166     h += get_sheight(bp->tags[j]->tag, &conf.branch_tag_font);
3167     }
3168     }
3169     else
3170 bertho 1.1 {
3171 bertho 1.32 int h1, h2;
3172     int w1, w2;
3173     int fw;
3174     w1 = get_swidth(bp->branch->branch, &conf.branch_font);
3175     w1 += get_swidth(" ", &conf.branch_font);
3176     w2 = get_swidth(bp->tags[0]->tag, &conf.branch_tag_font);
3177     fw = w1;
3178     w = w1 + w2;
3179     h1 = get_sheight(bp->branch->branch, &conf.branch_font);
3180     h2 = get_sheight(bp->tags[0]->tag, &conf.branch_tag_font);
3181     h = MAX(h1, h2);
3182     for(j = 0; j < bp->nfolds; j++)
3183     {
3184     w1 = get_swidth(bp->folds[j]->branch->branch, &conf.branch_font);
3185     w1 += get_swidth(" ", &conf.branch_font);
3186     w2 = get_swidth(bp->folds[j]->tags[0]->tag, &conf.branch_tag_font);
3187     if(w1 > fw)
3188     fw = w1;
3189     if(w1 + w2 > w)
3190     w = w1 + w2;
3191     h1 = get_sheight(bp->folds[j]->branch->branch, &conf.branch_font);
3192     h2 = get_sheight(bp->folds[j]->tags[0]->tag, &conf.branch_tag_font);
3193     h += MAX(h1, h2);
3194     }
3195     bp->fw = fw;
3196 bertho 1.1 }
3197     w += conf.branch_lspace + conf.branch_rspace;
3198     h += conf.branch_tspace + conf.branch_bspace;
3199     bp->w = w;
3200     bp->h = h;
3201 bertho 1.25 if(conf.left_right)
3202     {
3203     for(j = 0; j < bp->nrevs; j++)
3204     {
3205     if(bp->revs[j]->h > h)
3206     h = bp->revs[j]->h;
3207     w += bp->revs[j]->w + conf.rev_minline;
3208     }
3209 bertho 1.32 if(conf.branch_dupbox && bp->nrevs)
3210 bertho 1.25 w += bp->w + conf.rev_minline;
3211     }
3212     else
3213 bertho 1.1 {
3214 bertho 1.25 for(j = 0; j < bp->nrevs; j++)
3215     {
3216     if(bp->revs[j]->w > w)
3217     w = bp->revs[j]->w;
3218     h += bp->revs[j]->h + conf.rev_minline;
3219     }
3220 bertho 1.32 if(conf.branch_dupbox && bp->nrevs)
3221 bertho 1.25 h += bp->h + conf.rev_minline;
3222 bertho 1.1 }
3223     bp->th = h;
3224     bp->tw = w;
3225     }
3226    
3227     /* Calculate the relative positions of revs in a branch */
3228 bertho 1.25 if(conf.left_right)
3229     {
3230     for(i = 0; i < rcs->nbranches; i++)
3231     {
3232     branch_t *b = rcs->branches[i];
3233     y = b->th/2;
3234     x = b->w;
3235     b->y = y;
3236     b->cx = 0;
3237     for(j = 0; j < b->nrevs; j++)
3238     {
3239     x += conf.rev_minline;
3240     b->revs[j]->y = y;
3241     b->revs[j]->cx = x;
3242     x += b->revs[j]->w;
3243     }
3244     }
3245     }
3246     else
3247 bertho 1.1 {
3248 bertho 1.25 for(i = 0; i < rcs->nbranches; i++)
3249     {
3250     branch_t *b = rcs->branches[i];
3251     x = b->tw/2;
3252     y = b->h;
3253     b->cx = x;
3254     b->y = 0;
3255     for(j = 0; j < b->nrevs; j++)
3256     {
3257     y += conf.rev_minline;
3258     b->revs[j]->cx = x;
3259     b->revs[j]->y = y;
3260     y += b->revs[j]->h;
3261     }
3262 bertho 1.1 }
3263     }
3264    
3265 bertho 1.18 /* Initially reposition the branches from bottom to top progressively right */
3266 bertho 1.25 if(conf.left_right)
3267     {
3268     x = rcs->branches[0]->y;
3269     w2 = rcs->branches[0]->th / 2;
3270     for(i = rcs->branches[0]->nrevs-1; i >= 0; i--)
3271     {
3272     initial_reposition_branch_lr(rcs->branches[0]->revs[i], &x, &w2);
3273     }
3274     }
3275     else
3276 bertho 1.1 {
3277 bertho 1.25 x = rcs->branches[0]->cx;
3278     w2 = rcs->branches[0]->tw / 2;
3279     for(i = rcs->branches[0]->nrevs-1; i >= 0; i--)
3280     {
3281     initial_reposition_branch(rcs->branches[0]->revs[i], &x, &w2);
3282     }
3283 bertho 1.1 }
3284    
3285 bertho 1.19 /* Initially move branches left if there is room */
3286     kern_tree(rcs);
3287    
3288 bertho 1.18 /* Try to kern the branches more by expanding the inter-revision spacing */
3289 bertho 1.25 if(conf.auto_stretch && !conf.left_right)
3290 bertho 1.19 auto_stretch(rcs);
3291 bertho 1.7
3292 bertho 1.1 /* Calculate overall image size */
3293 bertho 1.25 if(conf.left_right)
3294     {
3295     x = rcs->branches[0]->cx;
3296     y = rcs->branches[0]->y - rcs->branches[0]->th/2;
3297     }
3298     else
3299     {
3300     x = rcs->branches[0]->cx - rcs->branches[0]->tw/2;
3301     y = rcs->branches[0]->y;
3302     }
3303 bertho 1.1 w = rcs->branches[0]->tw;
3304     h = rcs->branches[0]->th;
3305     for(i = 1; i < rcs->nbranches; i++)
3306     rect_union(&x, &y, &w, &h, rcs->branches[i]);
3307     rcs->tw = w;
3308     rcs->th = h;
3309 bertho 1.16
3310     /* Flip the entire tree */
3311     if(conf.upside_down)
3312     {
3313 bertho 1.25 if(conf.left_right)
3314     {
3315     x += rcs->tw;
3316     for(i = 0; i < rcs->nbranches; i++)
3317     {
3318     branch_t *b = rcs->branches[i];
3319     for(j = 0; j < b->nrevs; j++)
3320     {
3321     revision_t *r = b->revs[j];
3322 bertho 1.44 r->cx = x - r->cx - r->w;
3323 bertho 1.25 }
3324 bertho 1.44 b->cx = x - b->cx - b->w;
3325 bertho 1.25 }
3326     }
3327     else
3328 bertho 1.16 {
3329 bertho 1.25 y += rcs->th;
3330     for(i = 0; i < rcs->nbranches; i++)
3331 bertho 1.16 {
3332 bertho 1.25 branch_t *b = rcs->branches[i];
3333     for(j = 0; j < b->nrevs; j++)
3334     {
3335     revision_t *r = b->revs[j];
3336 bertho 1.44 r->y = y - r->y - r->h;
3337 bertho 1.25 }
3338 bertho 1.44 b->y = y - b->y - b->h;
3339 bertho 1.16 }
3340     }
3341     }
3342 bertho 1.44
3343     /* Relocate the lot if we only draw a sub-tree */
3344     if(subtree_branch)
3345     {
3346     int xx, yy;
3347    
3348     if(subtree_branch->folded) /* Fix the reference if the branch got folded */
3349     subtree_branch = subtree_branch->folded_to;
3350    
3351     xx = conf.left_right ? subtree_branch->cx : subtree_branch->cx - subtree_branch->tw/2;
3352     yy = conf.left_right ? subtree_branch->y - subtree_branch->th/2 : subtree_branch->y;
3353     if(subtree_branch != rcs->branches[0])
3354     {
3355     if(conf.left_right)
3356     xx -= conf.branch_connect;
3357     else
3358     yy -= conf.branch_connect;
3359     }
3360     for(i = 0; i < rcs->nbranches; i++)
3361     move_branch(rcs->branches[i], -xx, -yy);
3362     }
3363    
3364     /* Move everything w.r.t. the top-left margin */
3365     for(i = 0; i < rcs->nbranches; i++)
3366     move_branch(rcs->branches[i], conf.margin_left, conf.margin_top);
3367 bertho 1.1 }
3368    
3369     /*
3370     **************************************************************************
3371 bertho 1.6 * Imagemap functions
3372     **************************************************************************
3373     */
3374 bertho 1.44 static void map_merge_box(rcsfile_t *rcs, FILE *fp, revision_t *fr, revision_t *tr, gdImagePtr im, int x1, int y1, int x2, int y2)
3375     {
3376     char *href = expand_string(conf.map_merge_href, rcs, tr, tr->rev, fr->rev, NULL);
3377     char *alt = expand_string(conf.map_merge_alt, rcs, tr, tr->rev, fr->rev, NULL);
3378     const char *htp = conf.html_level == HTMLLEVEL_X ? " /" : "";
3379    
3380     if(x1 > 0 && x2 > 0 && y1 > 0 && y2 > 0)
3381     fprintf(fp, "\t<area shape=\"rect\" %s coords=\"%d,%d,%d,%d\" %s%s>\n",
3382     href, x1, y1, x2, y2, alt, htp);
3383     xfree(alt);
3384     xfree(href);
3385    
3386     if(im)
3387     {
3388 bertho 1.59 gdImageFilledRectangle(im, x1-2, y1-2, x1+2, y1+2, clr(im, "title_color", NULL, NULL, 0)->id);
3389     gdImageFilledRectangle(im, x2-2, y2-2, x2+2, y2+2, clr(im, "tag_color.id", NULL, NULL, 0)->id);
3390     gdImageLine(im, x1, y1, x2, y2, clr(im, "title_color", NULL, NULL, 0)->id);
3391 bertho 1.44 }
3392     }
3393    
3394     static void map_merges(rcsfile_t *rcs, FILE *fp, gdImagePtr im)
3395     {
3396     int i;
3397     int tagh2 = get_sheight("Hg", &conf.tag_font) / 2;
3398     int bm = conf.branch_margin / 2;
3399    
3400     for(i = 0; i < rcs->nmerges; i++)
3401     {
3402 bertho 1.49 revision_t *fr;
3403     revision_t *tr;
3404 bertho 1.44 int x1, x2, y1, y2;
3405 bertho 1.49 switch(rcs->merges[i].type)
3406     {
3407     case TR_TAG:
3408     fr = rcs->merges[i].from.tag->logrev;
3409     tr = rcs->merges[i].to.tag->logrev;
3410     break;
3411     case TR_REVISION:
3412     fr = rcs->merges[i].from.rev;
3413     tr = rcs->merges[i].to.rev;
3414     break;
3415     default:
3416     continue;
3417     }
3418 bertho 1.44 if(!fr || !tr || fr == tr)
3419     continue; /* This can happen with detached tags and self-references */
3420     if(conf.left_right)
3421     {
3422     if(fr->branch == tr->branch)
3423     {
3424     y1 = fr->y - fr->h/2;
3425     y2 = tr->y - tr->h/2;
3426     }
3427     else
3428     {
3429     if(fr->y < tr->y)
3430     {
3431     y1 = fr->y + fr->h/2;
3432     y2 = tr->y - tr->h/2;
3433     }
3434     else
3435     {
3436     y1 = fr->y - fr->h/2;
3437     y2 = tr->y + tr->h/2;
3438     }
3439     }
3440     x1 = fr->cx + fr->w/2;
3441     x2 = tr->cx + tr->w/2;
3442     }
3443     else
3444     {
3445     if(fr->branch == tr->branch)
3446     {
3447     x1 = fr->cx - fr->w/2;
3448     x2 = tr->cx - tr->w/2;
3449     }
3450     else
3451     {
3452     if(fr->cx < tr->cx)
3453     {
3454     x1 = fr->cx + fr->w/2;
3455     x2 = tr->cx - tr->w/2;
3456     }
3457     else
3458     {
3459     x1 = fr->cx - fr->w/2;
3460     x2 = tr->cx + tr->w/2;
3461     }
3462     }
3463 bertho 1.49 if(rcs->merges[i].type == TR_TAG)
3464     {
3465     y1 = fr->y + rcs->merges[i].from.tag->yofs;
3466     y2 = tr->y + rcs->merges[i].to.tag->yofs;
3467     }
3468     else
3469     {
3470     y1 = fr->y + fr->h/2;
3471     y2 = tr->y + tr->h/2;
3472     }
3473 bertho 1.44 }
3474    
3475     if(conf.left_right)
3476     {
3477     if(fr->branch == tr->branch)
3478     {
3479     map_merge_box(rcs, fp, fr, tr, im, x1-bm, y1-bm, x1+bm, y1);
3480     map_merge_box(rcs, fp, fr, tr, im, x2-bm, y2-bm, x2+bm, y2);
3481     }
3482     else
3483     {
3484     if(y1 > y2)
3485     {
3486     map_merge_box(rcs, fp, fr, tr, im, x1-bm, y1-bm, x1+bm, y1);
3487     map_merge_box(rcs, fp, fr, tr, im, x2-bm, y2, x2+bm, y2+bm);
3488     }
3489     else
3490     {
3491     map_merge_box(rcs, fp, fr, tr, im, x1-bm, y1, x1+bm, y1+bm);
3492     map_merge_box(rcs, fp, fr, tr, im, x2-bm, y2-bm, x2+bm, y2);
3493     }
3494     }
3495     }
3496     else
3497     {
3498     if(fr->branch == tr->branch)
3499     {
3500     map_merge_box(rcs, fp, fr, tr, im, x1-bm, y1-tagh2, x1, y1+tagh2);
3501     map_merge_box(rcs, fp, fr, tr, im, x2-bm, y2-tagh2, x2, y2+tagh2);
3502     }
3503     else
3504     {
3505     if(x1 > x2)
3506     {
3507     map_merge_box(rcs, fp, fr, tr, im, x1-bm, y1-tagh2, x1, y1+tagh2);
3508     map_merge_box(rcs, fp, fr, tr, im, x2, y2-tagh2, x2+bm, y2+tagh2);
3509     }
3510     else
3511     {
3512     map_merge_box(rcs, fp, fr, tr, im, x1, y1-tagh2, x1+bm, y1+tagh2);
3513     map_merge_box(rcs, fp, fr, tr, im, x2-bm, y2-tagh2, x2, y2+tagh2);
3514     }
3515     }
3516     }
3517     }
3518     }
3519    
3520     static void make_imagemap(rcsfile_t *rcs, FILE *fp, gdImagePtr im)
3521 bertho 1.6 {
3522     int i, j;
3523 bertho 1.29 const char *htp = conf.html_level == HTMLLEVEL_X ? " /" : "";
3524    
3525     switch(conf.html_level)
3526     {
3527     case HTMLLEVEL_4:
3528     fprintf(fp, "<map name=\"%s\" id=\"%s\">\n", conf.map_name, conf.map_name);
3529     break;
3530     case HTMLLEVEL_X:
3531     fprintf(fp, "<map id=\"%s\">\n", conf.map_name);
3532     break;
3533     default:
3534     fprintf(fp, "<map name=\"%s\">\n", conf.map_name);
3535     }
3536    
3537 bertho 1.6 for(i = 0; i < rcs->nbranches; i++)
3538     {
3539     branch_t *b = rcs->branches[i];
3540 bertho 1.8 tag_t *tag = b->ntags ? b->tags[0] : NULL;
3541 bertho 1.44 char *bhref;
3542     char *balt;
3543 bertho 1.26 int x1;
3544     int x2;
3545     int y1;
3546     int y2;
3547    
3548 bertho 1.44 if(subtree_branch && !b->subtree_draw)
3549     continue;
3550    
3551     bhref = expand_string(conf.map_branch_href, rcs, NULL, b->branch, NULL, tag);
3552     balt = expand_string(conf.map_branch_alt, rcs, NULL, b->branch, NULL, tag);
3553    
3554 bertho 1.34 if(!b->nfolds)
3555 bertho 1.26 {
3556 bertho 1.34 if(conf.left_right)
3557     {
3558     x1 = b->cx;
3559     y1 = b->y - b->h/2;
3560     x2 = b->cx + b->w;
3561     y2 = b->y + b->h/2;
3562     }
3563     else
3564     {
3565     x1 = b->cx - b->w/2;
3566     y1 = b->y;
3567     x2 = b->cx + b->w/2;
3568     y2 = b->y + b->h;
3569     }
3570     fprintf(fp, "\t<area shape=\"rect\" %s coords=\"%d,%d,%d,%d\" %s%s>\n",
3571     bhref, x1, y1, x2, y2, balt, htp);
3572     if(im)
3573     {
3574 bertho 1.59 gdImageFilledRectangle(im, x1-2, y1-2, x1+2, y1+2, clr(im, "title_color", NULL, NULL, 0)->id);
3575     gdImageFilledRectangle(im, x2-2, y2-2, x2+2, y2+2, clr(im, "tag_color", NULL, NULL, 0)->id);
3576     gdImageLine(im, x1, y1, x2, y2, clr(im, "title_color", NULL, NULL, 0)->id);
3577 bertho 1.34 }
3578 bertho 1.26 }
3579     else
3580     {
3581 bertho 1.34 int yy1, yy2, yy;
3582     if(conf.left_right)
3583     {
3584     x1 = b->cx + conf.branch_lspace;
3585     y1 = b->y - b->h/2 + conf.branch_tspace;
3586     }
3587     else
3588     {
3589     x1 = b->cx - b->w/2 + conf.branch_lspace;
3590     y1 = b->y + conf.branch_tspace;
3591     }
3592     x2 = x1 + b->w - conf.branch_rspace;
3593    
3594     yy1 = get_sheight(b->branch->branch, &conf.branch_font);
3595     yy2 = get_sheight(b->tags[0]->tag, &conf.branch_tag_font);
3596     yy = MAX(yy1, yy2);
3597     y2 = y1 + yy;
3598     fprintf(fp, "\t<area shape=\"rect\" %s coords=\"%d,%d,%d,%d\" %s%s>\n",
3599     bhref, x1, y1, x2, y2, balt, htp);
3600    
3601     y1 += yy;
3602     y2 += yy;
3603     for(j = 0; j < b->nfolds; j++)
3604     {
3605     branch_t *fb = b->folds[j];
3606     tag_t *t = fb->tags[0];
3607     xfree(bhref);
3608     xfree(balt);
3609     bhref = expand_string(conf.map_branch_href, rcs, NULL, fb->branch, NULL, t);
3610     balt = expand_string(conf.map_branch_alt, rcs, NULL, fb->branch, NULL, t);
3611     fprintf(fp, "\t<area shape=\"rect\" %s coords=\"%d,%d,%d,%d\" %s%s>\n",
3612     bhref, x1, y1, x2, y2, balt, htp);
3613     yy1 = get_sheight(fb->branch->branch, &conf.branch_font);
3614     yy2 = get_sheight(fb->tags[0]->tag, &conf.branch_tag_font);
3615     yy = MAX(yy1, yy2);
3616     y1 += yy;
3617     y2 += yy;
3618     }
3619 bertho 1.26 }
3620 bertho 1.34
3621 bertho 1.6 for(j = 0; j < b->nrevs; j++)
3622     {
3623     revision_t *r = b->revs[j];
3624 bertho 1.13 revision_t* r1;
3625 bertho 1.26 int xoff = 1;
3626     int yoff = 1;
3627 bertho 1.16 char *href;
3628     char *alt;
3629 bertho 1.13
3630 bertho 1.8 tag = r->ntags ? r->tags[0] : NULL;
3631 bertho 1.9 href = expand_string(conf.map_rev_href, rcs, r, r->rev, NULL, tag);
3632     alt = expand_string(conf.map_rev_alt, rcs, r, r->rev, NULL, tag);
3633 bertho 1.26 if(conf.left_right)
3634     {
3635     x1 = r->cx;
3636     y1 = r->y - r->h/2;
3637     x2 = r->cx + r->w;
3638     y2 = r->y + r->h/2;
3639     }
3640     else
3641     {
3642     x1 = r->cx - r->w/2;
3643     y1 = r->y;
3644     x2 = r->cx + r->w/2;
3645     y2 = r->y + r->h;
3646     }
3647 bertho 1.29 fprintf(fp, "\t<area shape=\"rect\" %s coords=\"%d,%d,%d,%d\" %s%s>\n",
3648     href, x1, y1, x2, y2, alt, htp);
3649 bertho 1.26 if(im)
3650     {
3651 bertho 1.59 gdImageFilledRectangle(im, x1-2, y1-2, x1+2, y1+2, clr(im, "title_color", NULL, NULL, 0)->id);
3652     gdImageFilledRectangle(im, x2-2, y2-2, x2+2, y2+2, clr(im, "tag_color", NULL, NULL, 0)->id);
3653     gdImageLine(im, x1, y1, x2, y2, clr(im, "title_color", NULL, NULL, 0)->id);
3654 bertho 1.26 }
3655 bertho 1.8 xfree(href);
3656     xfree(alt);
3657 bertho 1.16 if(j > 0 || b->branchpoint)
3658 bertho 1.9 {
3659 bertho 1.16 if(j > 0)
3660     {
3661     r1 = b->revs[j-1];
3662 bertho 1.26 if(conf.left_right)
3663     {
3664     yoff = MIN(r->h, r1->h)/4;
3665     x1 = conf.upside_down ? r1->cx : r1->cx + r1->w;
3666     }
3667     else
3668     {
3669     xoff = MIN(r->w, r1->w)/4;
3670     y1 = conf.upside_down ? r1->y : r1->y + r1->h;
3671     }
3672 bertho 1.16 }
3673     else
3674     {
3675     r1 = b->branchpoint;
3676 bertho 1.26 if(conf.left_right)
3677     {
3678     yoff = MIN(r->h, b->h)/4;
3679     x1 = conf.upside_down ? b->cx : b->cx + b->w;
3680     }
3681     else
3682     {
3683     xoff = MIN(r->w, b->w)/4;
3684     y1 = conf.upside_down ? b->y : b->y + b->h;
3685     }
3686     }
3687     if(conf.left_right)
3688     {
3689     y1 = r->y - yoff;
3690     y2 = r->y + yoff;
3691     x2 = conf.upside_down ? r->cx + r->w : r->cx;
3692     yoff = 0;
3693     }
3694     else
3695     {
3696     x1 = r->cx - xoff;
3697     x2 = r->cx + xoff;
3698     y2 = conf.upside_down ? r->y + r->h : r->y;
3699     xoff = 0;
3700     }
3701     if(x1 > x2)
3702     {
3703     int tt = x1;
3704     x1 = x2;
3705     x2 = tt;
3706     }
3707     if(y1 > y2)
3708     {
3709     int tt = y1;
3710     y1 = y2;
3711     y2 = tt;
3712 bertho 1.16 }
3713     href = expand_string(conf.map_diff_href, rcs, r, r->rev, r1->rev, tag);
3714     alt = expand_string(conf.map_diff_alt, rcs, r, r->rev, r1->rev, tag);
3715 bertho 1.29 fprintf(fp, "\t<area shape=\"rect\" %s coords=\"%d,%d,%d,%d\" %s%s>\n",
3716 bertho 1.16 href,
3717 bertho 1.26 x1+xoff, y1+yoff, x2-xoff, y2-yoff,
3718 bertho 1.29 alt, htp);
3719 bertho 1.26 if(im)
3720     {
3721 bertho 1.59 gdImageFilledRectangle(im, x1-2, y1-2, x1+2, y1+2, clr(im, "title_color", NULL, NULL, 0)->id);
3722     gdImageFilledRectangle(im, x2-2, y2-2, x2+2, y2+2, clr(im, "tag_color", NULL, NULL, 0)->id);
3723     gdImageLine(im, x1, y1, x2, y2, clr(im, "title_color", NULL, NULL, 0)->id);
3724 bertho 1.26 }
3725 bertho 1.16 xfree(href);
3726     xfree(alt);
3727 bertho 1.9 }
3728 bertho 1.6 }
3729 bertho 1.32 if(conf.branch_dupbox && b->nrevs)
3730 bertho 1.16 {
3731 bertho 1.26 if(conf.left_right)
3732     {
3733     x1 = conf.upside_down ? b->cx + b->w - b->tw : b->cx - b->w + b->tw;
3734     y1 = b->y - b->h/2;
3735     x2 = x1 + b->w;
3736     y2 = b->y + b->h/2;
3737     }
3738 bertho 1.16 else
3739 bertho 1.26 {
3740     x1 = b->cx - b->w/2;
3741     y1 = conf.upside_down ? b->y + b->h - b->th : b->y - b->h + b->th;
3742     x2 = b->cx + b->w/2;
3743     y2 = y1 + b->h;
3744     }
3745 bertho 1.29 fprintf(fp, "\t<area shape=\"rect\" %s coords=\"%d,%d,%d,%d\" %s%s>\n",
3746     bhref, x1, y1, x2, y2, balt, htp);
3747 bertho 1.26 if(im)
3748     {
3749 bertho 1.59 gdImageFilledRectangle(im, x1-2, y1-2, x1+2, y1+2, clr(im, "title_color", NULL, NULL, 0)->id);
3750     gdImageFilledRectangle(im, x2-2, y2-2, x2+2, y2+2, clr(im, "tag_color", NULL, NULL, 0)->id);
3751     gdImageLine(im, x1, y1, x2, y2, clr(im, "title_color", NULL, NULL, 0)->id);
3752 bertho 1.26 }
3753 bertho 1.16 }
3754     xfree(bhref);
3755     xfree(balt);
3756 bertho 1.6 }
3757 bertho 1.44
3758     map_merges(rcs, fp, im);
3759    
3760 bertho 1.6 fprintf(fp, "</map>\n");
3761     }
3762    
3763     /*
3764     **************************************************************************
3765 bertho 1.1 * Program entry
3766     **************************************************************************
3767     */
3768     static const char usage_str[] =
3769     "Usage: cvsgraph [options] <file>\n"
3770 bertho 1.16 " -b Add a branch box at both sides of the trunk (config value is negated)\n"
3771 bertho 1.8 " -c <file> Read alternative config from <file>\n"
3772     " -d <level> Enable debug mode at <level>\n"
3773     " -h This message\n"
3774     " -i Generate an imagemap instead of image\n"
3775 bertho 1.18 " -I <file> Also write the imagemap to <file>\n"
3776 bertho 1.19 " -k Auto stretch the tree (config value is negated)\n"
3777 bertho 1.8 " -M <name> Use <name> as imagemap name\n"
3778     " -m <mod> Use <mod> as cvs module\n"
3779     " -o <file> Output to <file>\n"
3780 bertho 1.18 " -O <opt=val> Set option opt to value val\n"
3781 bertho 1.8 " -q Be quiet (i.e. no warnings)\n"
3782     " -r <path> Use <path> as cvsroot path\n"
3783 bertho 1.16 " -s Strip untagged revisions (config value is negated)\n"
3784 bertho 1.18 " -S Also strip the first revision (config value is negated)\n"
3785 bertho 1.16 " -u Upside down image (mirror vertically; config value is negated)\n"
3786 bertho 1.8 " -V Print version and exit\n"
3787 bertho 1.29 " -x [34x] Specify level of HTML 3.2 (default), 4.0 or XHTML\n"
3788 bertho 1.8 " -[0-9] <txt> Use <txt> for expansion\n"
3789 bertho 1.1 ;
3790    
3791 bertho 1.60 #define VERSION_STR "1.6.0"
3792     #define NOTICE_STR "Copyright (c) 2001-2005 B.Stultiens"
3793 bertho 1.1
3794 bertho 1.19 static void append_slash(char **path)
3795 bertho 1.9 {
3796     int l;
3797     assert(path != NULL);
3798     assert(*path != NULL);
3799     l = strlen(*path);
3800     if(!l || (*path)[l-1] == '/')
3801     return;
3802     *path = xrealloc(*path, l+2);
3803     strcat(*path, "/");
3804     }
3805    
3806 bertho 1.1 int main(int argc, char *argv[])
3807     {
3808 bertho 1.7 extern int rcs_flex_debug;
3809     extern int rcsdebug;
3810 bertho 1.1 int optc;
3811     char *confpath = NULL;
3812     char *outfile = NULL;
3813     char *cvsroot = NULL;
3814     char *cvsmodule = NULL;
3815 bertho 1.7 int imagemap = 0;
3816 bertho 1.16 int upsidedown = 0;
3817 bertho 1.17 int bdupbox = 0;
3818 bertho 1.16 int stripuntag = 0;
3819 bertho 1.18 int stripfirst = 0;
3820 bertho 1.19 int autostretch = 0;
3821 bertho 1.29 int htmllevel = 0;
3822 bertho 1.7 char *imgmapname = NULL;
3823 bertho 1.18 char *imgmapfile = NULL;
3824 bertho 1.1 int lose = 0;
3825     FILE *fp;
3826 bertho 1.18 char *rcsfilename;
3827 bertho 1.7 rcsfile_t *rcs;
3828 bertho 1.1 gdImagePtr im;
3829    
3830 bertho 1.29 while((optc = getopt(argc, argv, "0:1:2:3:4:5:6:7:8:9:bc:d:hI:ikM:m:O:o:qr:SsuVx:")) != EOF)
3831 bertho 1.1 {
3832     switch(optc)
3833     {
3834 bertho 1.16 case 'b':
3835 bertho 1.17 bdupbox = 1;
3836 bertho 1.16 break;
3837 bertho 1.1 case 'c':
3838     confpath = xstrdup(optarg);
3839     break;
3840 bertho 1.7 case 'd':
3841     debuglevel = strtol(optarg, NULL, 0);
3842     break;
3843 bertho 1.18 case 'I':
3844     imgmapfile = xstrdup(optarg);
3845     break;
3846 bertho 1.6 case 'i':
3847 bertho 1.7 imagemap = 1;
3848     break;
3849 bertho 1.18 case 'k':
3850 bertho 1.19 autostretch = 1;
3851 bertho 1.18 break;
3852 bertho 1.7 case 'M':
3853     imgmapname = xstrdup(optarg);
3854 bertho 1.6 break;
3855 bertho 1.1 case 'm':
3856     cvsmodule = xstrdup(optarg);
3857     break;
3858 bertho 1.18 case 'O':
3859     stack_option(optarg);
3860     break;
3861 bertho 1.1 case 'o':
3862     outfile = xstrdup(optarg);
3863     break;
3864 bertho 1.7 case 'q':
3865     quiet = 1;
3866     break;
3867 bertho 1.1 case 'r':
3868     cvsroot = xstrdup(optarg);
3869     break;
3870 bertho 1.18 case 'S':
3871     stripfirst = 1;
3872     break;
3873 bertho 1.16 case 's':
3874     stripuntag = 1;
3875     break;
3876     case 'u':
3877     upsidedown = 1;
3878     break;
3879 bertho 1.1 case 'V':
3880     fprintf(stdout, "cvsgraph v%s, %s\n", VERSION_STR, NOTICE_STR);
3881     return 0;
3882 bertho 1.29 case 'x':
3883     switch(optarg[0])
3884     {
3885     case '3':
3886     htmllevel = HTMLLEVEL_3;
3887     break;
3888     case '4':
3889     htmllevel = HTMLLEVEL_4;
3890     break;
3891     case 'x':
3892     htmllevel = HTMLLEVEL_X;
3893     break;
3894     default:
3895     fprintf(stderr, "Invalid HTML level in -x\n");
3896     lose++;
3897     }
3898     break;
3899 bertho 1.1 case 'h':
3900     fprintf(stdout, "%s", usage_str);
3901     return 0;
3902     default:
3903 bertho 1.8 if(isdigit(optc))
3904     {
3905     conf.expand[optc-'0'] = xstrdup(optarg);
3906     }
3907     else
3908     lose++;
3909 bertho 1.1 }
3910     }
3911    
3912     if(lose)
3913     {
3914     fprintf(stderr, "%s", usage_str);
3915     return 1;
3916     }
3917    
3918 bertho 1.7 if(debuglevel)
3919     {
3920     setvbuf(stdout, NULL, 0, _IONBF);
3921     setvbuf(stderr, NULL, 0, _IONBF);
3922     }
3923     rcs_flex_debug = (debuglevel & DEBUG_RCS_LEX) != 0;
3924     rcsdebug = (debuglevel & DEBUG_RCS_YACC) != 0;
3925    
3926 bertho 1.1 /* Set defaults */
3927 bertho 1.21 conf.tag_font.gdfont = gdFontTiny;
3928     conf.rev_font.gdfont = gdFontTiny;
3929     conf.branch_font.gdfont = gdFontTiny;
3930     conf.branch_tag_font.gdfont = gdFontTiny;
3931     conf.title_font.gdfont = gdFontTiny;
3932     conf.rev_text_font.gdfont = gdFontTiny;
3933 bertho 1.44 conf.msg_font.gdfont = gdFontTiny;
3934 bertho 1.21
3935 bertho 1.19 conf.anti_alias = 1;
3936 bertho 1.20 conf.thick_lines = 1;
3937 bertho 1.32 conf.branch_fold = 1;
3938 bertho 1.9
3939     conf.cvsroot = xstrdup("");
3940     conf.cvsmodule = xstrdup("");
3941     conf.date_format = xstrdup("%d-%b-%Y %H:%M:%S");
3942     conf.title = xstrdup("");
3943     conf.map_name = xstrdup("CvsGraphImageMap");
3944     conf.map_branch_href = xstrdup("href=\"unset: conf.map_branch_href\"");
3945     conf.map_branch_alt = xstrdup("alt=\"%B\"");
3946     conf.map_rev_href = xstrdup("href=\"unset: conf.map_rev_href\"");
3947     conf.map_rev_alt = xstrdup("alt=\"%R\"");
3948     conf.map_diff_href = xstrdup("href=\"unset: conf.map_diff_href\"");
3949 bertho 1.12 conf.map_diff_alt = xstrdup("alt=\"%P &lt;-&gt; %R\"");
3950 bertho 1.44 conf.map_merge_href = xstrdup("href=\"unset: conf.map_merge_href\"");
3951     conf.map_merge_alt = xstrdup("alt=\"%P &lt;-&gt; %R\"");
3952 bertho 1.60 conf.rev_text.str = xstrdup("%d");
3953     conf.rev_idtext.str = xstrdup("%R");
3954 bertho 1.44 conf.branch_subtree = xstrdup("");
3955     conf.tag_ignore = xstrdup("");
3956 bertho 1.59 conf.merge_from.n = 0;
3957     conf.merge_from.strs = NULL;
3958     conf.merge_to.n = 0;
3959     conf.merge_to.strs = NULL;
3960 bertho 1.35 conf.merge_arrows = 1;
3961 bertho 1.57 conf.merge_cvsnt = 1;
3962 bertho 1.35 conf.arrow_width = ARROW_WIDTH;
3963     conf.arrow_length = ARROW_LENGTH;
3964 bertho 1.9
3965     conf.color_bg = white_color;
3966     conf.branch_bgcolor = white_color;
3967     conf.branch_color = black_color;
3968 bertho 1.19 conf.branch_tag_color = black_color;
3969 bertho 1.9 conf.rev_color = black_color;
3970     conf.rev_bgcolor = white_color;
3971