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Revision 1.4 - (hide annotations)
Sun Mar 4 01:38:23 2001 UTC (16 years, 7 months ago) by bertho
Branch: MAIN
Changes since 1.3: +14 -4 lines
Major update of the code.
- Complete new method of getting the revision structure by directly
  reading the rcs/cvs file. This should also speed things a bit
  because no external program needs to be called anymore.
  This also means that "remote-graphs" are no longer a possible
  extension of the program. But, who cares.
- Implemented branch-kerning to save place. The images are now
  much smaller in width, dependent on the settings of the exterior
  margins.
- Fixed disjoint braches by reading the structure direct from the
  rcs/cvs file. The revision/branch structure is no longer determined
  from the revision numbers, but solely from the rcs/cvs file structure.
- Fixed display of branches with no revisions attached to them. These
  only have a tag describing the new branch.
1 bertho 1.1 /*
2     * CvsGraph graphical representation generator of brances and revisions
3     * of a file in cvs/rcs.
4     *
5     * Copyright (C) 2001 B. Stultiens
6     *
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     %x STR
23    
24     %{
25     #include <stdio.h>
26     #include <stdlib.h>
27     #include <string.h>
28     #include <ctype.h>
29    
30     #include "utils.h"
31 bertho 1.2 #include "readconf.h"
32 bertho 1.1 #include "y.tab.h"
33    
34     static void reset_str(void);
35     static void add_str(const char *s, int l);
36     static char *get_str(void);
37    
38     int line_number;
39    
40     #define YY_NO_UNPUT 1
41    
42     %}
43    
44     %%
45     branch_bgcolor return tBRANCH_BGCOLOR;
46     branch_bspace return tBRANCH_BSPACE;
47     branch_color return tBRANCH_COLOR;
48     branch_font return tBRANCH_FONT;
49     branch_lspace return tBRANCH_LSPACE;
50     branch_rspace return tBRANCH_RSPACE;
51     branch_tspace return tBRANCH_TSPACE;
52 bertho 1.4 branch_connect return tBRANCH_CONNECT;
53     branch_margin return tBRANCH_MARGIN;
54 bertho 1.1 color_bg return tCOLOR_BG;
55     cvsmodule return tCVSMODULE;
56     cvsroot return tCVSROOT;
57     rev_color return tREV_COLOR;
58     rev_font return tREV_FONT;
59     rev_separator return tREV_SEPARATOR;
60     rev_minline return tREV_MINLINE;
61     rev_maxline return tREV_MAXLINE;
62     rev_lspace return tREV_LSPACE;
63     rev_rspace return tREV_RSPACE;
64     rev_tspace return tREV_TSPACE;
65     rev_bspace return tREV_BSPACE;
66     tag_color return tTAG_COLOR;
67     tag_font return tTAG_FONT;
68     title return tTITLE;
69     title_x return tTITLE_X;
70     title_y return tTITLE_Y;
71     title_font return tTITLE_FONT;
72     title_align return tTITLE_ALIGN;
73     title_color return tTITLE_COLOR;
74     margin_top return tMARGIN_TOP;
75     margin_bottom return tMARGIN_BOTTOM;
76     margin_left return tMARGIN_LEFT;
77     margin_right return tMARGIN_RIGHT;
78 bertho 1.2 image_type return tIMAGE_TYPE;
79     image_quality return tIMAGE_QUALITY;
80 bertho 1.3 map_name return tMAP_NAME;
81     map_branch return tMAP_BRANCH;
82     map_rev return tMAP_REV;
83 bertho 1.2
84     jpeg yylval.num = IMAGE_JPEG; return tNUMBER;
85     png yylval.num = IMAGE_PNG; return tNUMBER;
86     gif yylval.num = IMAGE_GIF; return tNUMBER;
87 bertho 1.1
88     true yylval.num = 1; return tNUMBER;
89     false yylval.num = 0; return tNUMBER;
90    
91 bertho 1.4 left yylval.num = 0; return tNUMBER;
92     center yylval.num = 1; return tNUMBER;
93     right yylval.num = 2; return tNUMBER;
94    
95     tiny yylval.num = 0; return tNUMBER;
96     small yylval.num = 1; return tNUMBER;
97     medium yylval.num = 2; return tNUMBER;
98     large yylval.num = 3; return tNUMBER;
99     giant yylval.num = 4; return tNUMBER;
100    
101     [a-zA-Z_][a-zA-Z0-9_]* yylval.str = xstrdup(yytext); return tUNKNOWN;
102 bertho 1.1
103     [+-]?0[0-7]* yylval.num = strtol(yytext, NULL, 8); return tNUMBER;
104     [+-]?[1-9][0-9]* yylval.num = strtol(yytext, NULL, 10); return tNUMBER;
105     [+-]?0[xX][0-9a-fA-F]+ yylval.num = strtol(yytext, NULL, 16); return tNUMBER;
106     [+-]?0[xX] yyerror("Invalid hex number");
107    
108     = return *yytext;
109     ; return *yytext;
110    
111     \" reset_str(); BEGIN(STR);
112     <STR>[^\\\"\n]* add_str(yytext, yyleng);
113     <STR>\\[abfnrtv] {
114     char ch;
115     switch(yytext[1])
116     {
117     case 'a': ch = '\a'; break;
118     case 'b': ch = '\b'; break;
119     case 'f': ch = '\f'; break;
120     case 'n': ch = '\n'; break;
121     case 'r': ch = '\r'; break;
122     case 't': ch = '\t'; break;
123     case 'v': ch = '\v'; break;
124     }
125     add_str(&ch, 1);
126     }
127     <STR>\\[012][0-7]{0,2} { char ch = strtol(yytext+1, NULL, 8); add_str(&ch, 1); }
128     <STR>\\[xX][a-fA-F0-9]{2} { char ch = strtol(yytext+1, NULL, 8); add_str(&ch, 1); }
129     <STR>\\[xX][a-fA-F0-9] yyerror("Invalid hex escape");
130     <STR>\\. add_str(yytext, yyleng);
131     <STR>\n yyerror("Newline in string");
132     <STR>\" yylval.str = get_str(); BEGIN(INITIAL); return tSTRING;
133    
134 bertho 1.4 [ \t\f\v\r\b]+ ; /* Ignore whitespace */
135 bertho 1.1 #[^\n]* ; /* Ignore comments */
136    
137     \n line_number++;
138     . yyerror("Unknown char/unmatched text '%c' (0x%02x)", isprint(*yytext) ? *yytext : ' ', *yytext);
139    
140     %%
141    
142     int yywrap(void)
143     {
144     return 1;
145     }
146    
147     #define STRALLOCSIZE 128
148     static char *str;
149     static int nstr;
150     static int nastr;
151    
152     static void reset_str(void)
153     {
154     nstr = 0;
155     }
156    
157     static void add_str(const char *s, int l)
158     {
159     if(nstr + l + 1 > nastr)
160     {
161     str = xrealloc(str, nastr+STRALLOCSIZE);
162     nastr += STRALLOCSIZE;
163     }
164     memcpy(str+nstr, s, l);
165     nstr += l;
166     }
167    
168     static char *get_str(void)
169     {
170     str[nstr] = '\0';
171     return xstrdup(str);
172     }
173    

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