summaryrefslogtreecommitdiffabout
path: root/parsing.c
Unidiff
Diffstat (limited to 'parsing.c') (more/less context) (ignore whitespace changes)
-rw-r--r--parsing.c25
1 files changed, 25 insertions, 0 deletions
diff --git a/parsing.c b/parsing.c
index 30e7648..e8c7ab9 100644
--- a/parsing.c
+++ b/parsing.c
@@ -1,307 +1,332 @@
1/* config.c: parsing of config files 1/* config.c: parsing of config files
2 * 2 *
3 * Copyright (C) 2006 Lars Hjemli 3 * Copyright (C) 2006 Lars Hjemli
4 * 4 *
5 * Licensed under GNU General Public License v2 5 * Licensed under GNU General Public License v2
6 * (see COPYING for full license text) 6 * (see COPYING for full license text)
7 */ 7 */
8 8
9#include "cgit.h" 9#include "cgit.h"
10 10
11int next_char(FILE *f) 11int next_char(FILE *f)
12{ 12{
13 int c = fgetc(f); 13 int c = fgetc(f);
14 if (c=='\r') { 14 if (c=='\r') {
15 c = fgetc(f); 15 c = fgetc(f);
16 if (c!='\n') { 16 if (c!='\n') {
17 ungetc(c, f); 17 ungetc(c, f);
18 c = '\r'; 18 c = '\r';
19 } 19 }
20 } 20 }
21 return c; 21 return c;
22} 22}
23 23
24void skip_line(FILE *f) 24void skip_line(FILE *f)
25{ 25{
26 int c; 26 int c;
27 27
28 while((c=next_char(f)) && c!='\n' && c!=EOF) 28 while((c=next_char(f)) && c!='\n' && c!=EOF)
29 ; 29 ;
30} 30}
31 31
32int read_config_line(FILE *f, char *line, const char **value, int bufsize) 32int read_config_line(FILE *f, char *line, const char **value, int bufsize)
33{ 33{
34 int i = 0, isname = 0; 34 int i = 0, isname = 0;
35 35
36 *value = NULL; 36 *value = NULL;
37 while(i<bufsize-1) { 37 while(i<bufsize-1) {
38 int c = next_char(f); 38 int c = next_char(f);
39 if (!isname && (c=='#' || c==';')) { 39 if (!isname && (c=='#' || c==';')) {
40 skip_line(f); 40 skip_line(f);
41 continue; 41 continue;
42 } 42 }
43 if (!isname && isspace(c)) 43 if (!isname && isspace(c))
44 continue; 44 continue;
45 45
46 if (c=='=' && !*value) { 46 if (c=='=' && !*value) {
47 line[i] = 0; 47 line[i] = 0;
48 *value = &line[i+1]; 48 *value = &line[i+1];
49 } else if (c=='\n' && !isname) { 49 } else if (c=='\n' && !isname) {
50 i = 0; 50 i = 0;
51 continue; 51 continue;
52 } else if (c=='\n' || c==EOF) { 52 } else if (c=='\n' || c==EOF) {
53 line[i] = 0; 53 line[i] = 0;
54 break; 54 break;
55 } else { 55 } else {
56 line[i]=c; 56 line[i]=c;
57 } 57 }
58 isname = 1; 58 isname = 1;
59 i++; 59 i++;
60 } 60 }
61 line[i+1] = 0; 61 line[i+1] = 0;
62 return i; 62 return i;
63} 63}
64 64
65int cgit_read_config(const char *filename, configfn fn) 65int cgit_read_config(const char *filename, configfn fn)
66{ 66{
67 static int nesting; 67 static int nesting;
68 int len; 68 int len;
69 char line[256]; 69 char line[256];
70 const char *value; 70 const char *value;
71 FILE *f; 71 FILE *f;
72 72
73 /* cancel deeply nested include-commands */ 73 /* cancel deeply nested include-commands */
74 if (nesting > 8) 74 if (nesting > 8)
75 return -1; 75 return -1;
76 if (!(f = fopen(filename, "r"))) 76 if (!(f = fopen(filename, "r")))
77 return -1; 77 return -1;
78 nesting++; 78 nesting++;
79 while((len = read_config_line(f, line, &value, sizeof(line))) > 0) 79 while((len = read_config_line(f, line, &value, sizeof(line))) > 0)
80 (*fn)(line, value); 80 (*fn)(line, value);
81 nesting--; 81 nesting--;
82 fclose(f); 82 fclose(f);
83 return 0; 83 return 0;
84} 84}
85 85
86char *convert_query_hexchar(char *txt) 86char *convert_query_hexchar(char *txt)
87{ 87{
88 int d1, d2; 88 int d1, d2;
89 if (strlen(txt) < 3) { 89 if (strlen(txt) < 3) {
90 *txt = '\0'; 90 *txt = '\0';
91 return txt-1; 91 return txt-1;
92 } 92 }
93 d1 = hextoint(*(txt+1)); 93 d1 = hextoint(*(txt+1));
94 d2 = hextoint(*(txt+2)); 94 d2 = hextoint(*(txt+2));
95 if (d1<0 || d2<0) { 95 if (d1<0 || d2<0) {
96 strcpy(txt, txt+3); 96 strcpy(txt, txt+3);
97 return txt-1; 97 return txt-1;
98 } else { 98 } else {
99 *txt = d1 * 16 + d2; 99 *txt = d1 * 16 + d2;
100 strcpy(txt+1, txt+3); 100 strcpy(txt+1, txt+3);
101 return txt; 101 return txt;
102 } 102 }
103} 103}
104 104
105int cgit_parse_query(char *txt, configfn fn) 105int cgit_parse_query(char *txt, configfn fn)
106{ 106{
107 char *t, *value = NULL, c; 107 char *t, *value = NULL, c;
108 108
109 if (!txt) 109 if (!txt)
110 return 0; 110 return 0;
111 111
112 t = txt = xstrdup(txt); 112 t = txt = xstrdup(txt);
113 113
114 while((c=*t) != '\0') { 114 while((c=*t) != '\0') {
115 if (c=='=') { 115 if (c=='=') {
116 *t = '\0'; 116 *t = '\0';
117 value = t+1; 117 value = t+1;
118 } else if (c=='+') { 118 } else if (c=='+') {
119 *t = ' '; 119 *t = ' ';
120 } else if (c=='%') { 120 } else if (c=='%') {
121 t = convert_query_hexchar(t); 121 t = convert_query_hexchar(t);
122 } else if (c=='&') { 122 } else if (c=='&') {
123 *t = '\0'; 123 *t = '\0';
124 (*fn)(txt, value); 124 (*fn)(txt, value);
125 txt = t+1; 125 txt = t+1;
126 value = NULL; 126 value = NULL;
127 } 127 }
128 t++; 128 t++;
129 } 129 }
130 if (t!=txt) 130 if (t!=txt)
131 (*fn)(txt, value); 131 (*fn)(txt, value);
132 return 0; 132 return 0;
133} 133}
134 134
135/* 135/*
136 * url syntax: [repo ['/' cmd [ '/' path]]] 136 * url syntax: [repo ['/' cmd [ '/' path]]]
137 * repo: any valid repo url, may contain '/' 137 * repo: any valid repo url, may contain '/'
138 * cmd: log | commit | diff | tree | view | blob | snapshot 138 * cmd: log | commit | diff | tree | view | blob | snapshot
139 * path: any valid path, may contain '/' 139 * path: any valid path, may contain '/'
140 * 140 *
141 */ 141 */
142void cgit_parse_url(const char *url) 142void cgit_parse_url(const char *url)
143{ 143{
144 char *cmd, *p; 144 char *cmd, *p;
145 145
146 cgit_repo = NULL; 146 cgit_repo = NULL;
147 if (!url || url[0] == '\0') 147 if (!url || url[0] == '\0')
148 return; 148 return;
149 149
150 cgit_repo = cgit_get_repoinfo(url); 150 cgit_repo = cgit_get_repoinfo(url);
151 if (cgit_repo) { 151 if (cgit_repo) {
152 cgit_query_repo = cgit_repo->url; 152 cgit_query_repo = cgit_repo->url;
153 return; 153 return;
154 } 154 }
155 155
156 cmd = strchr(url, '/'); 156 cmd = strchr(url, '/');
157 while (!cgit_repo && cmd) { 157 while (!cgit_repo && cmd) {
158 cmd[0] = '\0'; 158 cmd[0] = '\0';
159 cgit_repo = cgit_get_repoinfo(url); 159 cgit_repo = cgit_get_repoinfo(url);
160 if (cgit_repo == NULL) { 160 if (cgit_repo == NULL) {
161 cmd[0] = '/'; 161 cmd[0] = '/';
162 cmd = strchr(cmd + 1, '/'); 162 cmd = strchr(cmd + 1, '/');
163 continue; 163 continue;
164 } 164 }
165 165
166 cgit_query_repo = cgit_repo->url; 166 cgit_query_repo = cgit_repo->url;
167 p = strchr(cmd + 1, '/'); 167 p = strchr(cmd + 1, '/');
168 if (p) { 168 if (p) {
169 p[0] = '\0'; 169 p[0] = '\0';
170 if (p[1]) 170 if (p[1])
171 cgit_query_path = trim_end(p + 1, '/'); 171 cgit_query_path = trim_end(p + 1, '/');
172 } 172 }
173 cgit_cmd = cgit_get_cmd_index(cmd + 1); 173 cgit_cmd = cgit_get_cmd_index(cmd + 1);
174 cgit_query_page = xstrdup(cmd + 1); 174 cgit_query_page = xstrdup(cmd + 1);
175 return; 175 return;
176 } 176 }
177} 177}
178 178
179char *substr(const char *head, const char *tail) 179char *substr(const char *head, const char *tail)
180{ 180{
181 char *buf; 181 char *buf;
182 182
183 buf = xmalloc(tail - head + 1); 183 buf = xmalloc(tail - head + 1);
184 strncpy(buf, head, tail - head); 184 strncpy(buf, head, tail - head);
185 buf[tail - head] = '\0'; 185 buf[tail - head] = '\0';
186 return buf; 186 return buf;
187} 187}
188 188
189struct commitinfo *cgit_parse_commit(struct commit *commit) 189struct commitinfo *cgit_parse_commit(struct commit *commit)
190{ 190{
191 struct commitinfo *ret; 191 struct commitinfo *ret;
192 char *p = commit->buffer, *t = commit->buffer; 192 char *p = commit->buffer, *t = commit->buffer;
193 193
194 ret = xmalloc(sizeof(*ret)); 194 ret = xmalloc(sizeof(*ret));
195 ret->commit = commit; 195 ret->commit = commit;
196 ret->author = NULL; 196 ret->author = NULL;
197 ret->author_email = NULL; 197 ret->author_email = NULL;
198 ret->committer = NULL; 198 ret->committer = NULL;
199 ret->committer_email = NULL; 199 ret->committer_email = NULL;
200 ret->subject = NULL; 200 ret->subject = NULL;
201 ret->msg = NULL; 201 ret->msg = NULL;
202 ret->msg_encoding = NULL;
202 203
203 if (p == NULL) 204 if (p == NULL)
204 return ret; 205 return ret;
205 206
206 if (strncmp(p, "tree ", 5)) 207 if (strncmp(p, "tree ", 5))
207 die("Bad commit: %s", sha1_to_hex(commit->object.sha1)); 208 die("Bad commit: %s", sha1_to_hex(commit->object.sha1));
208 else 209 else
209 p += 46; // "tree " + hex[40] + "\n" 210 p += 46; // "tree " + hex[40] + "\n"
210 211
211 while (!strncmp(p, "parent ", 7)) 212 while (!strncmp(p, "parent ", 7))
212 p += 48; // "parent " + hex[40] + "\n" 213 p += 48; // "parent " + hex[40] + "\n"
213 214
214 if (!strncmp(p, "author ", 7)) { 215 if (!strncmp(p, "author ", 7)) {
215 p += 7; 216 p += 7;
216 t = strchr(p, '<') - 1; 217 t = strchr(p, '<') - 1;
217 ret->author = substr(p, t); 218 ret->author = substr(p, t);
218 p = t; 219 p = t;
219 t = strchr(t, '>') + 1; 220 t = strchr(t, '>') + 1;
220 ret->author_email = substr(p, t); 221 ret->author_email = substr(p, t);
221 ret->author_date = atol(++t); 222 ret->author_date = atol(++t);
222 p = strchr(t, '\n') + 1; 223 p = strchr(t, '\n') + 1;
223 } 224 }
224 225
225 if (!strncmp(p, "committer ", 9)) { 226 if (!strncmp(p, "committer ", 9)) {
226 p += 9; 227 p += 9;
227 t = strchr(p, '<') - 1; 228 t = strchr(p, '<') - 1;
228 ret->committer = substr(p, t); 229 ret->committer = substr(p, t);
229 p = t; 230 p = t;
230 t = strchr(t, '>') + 1; 231 t = strchr(t, '>') + 1;
231 ret->committer_email = substr(p, t); 232 ret->committer_email = substr(p, t);
232 ret->committer_date = atol(++t); 233 ret->committer_date = atol(++t);
233 p = strchr(t, '\n') + 1; 234 p = strchr(t, '\n') + 1;
234 } 235 }
235 236
237 if (!strncmp(p, "encoding ", 9)) {
238 p += 9;
239 t = strchr(p, '\n') + 1;
240 ret->msg_encoding = substr(p, t);
241 p = t;
242 } else
243 ret->msg_encoding = xstrdup(PAGE_ENCODING);
244
236 while (*p && (*p != '\n')) 245 while (*p && (*p != '\n'))
237 p = strchr(p, '\n') + 1; // skip unknown header fields 246 p = strchr(p, '\n') + 1; // skip unknown header fields
238 247
239 while (*p == '\n') 248 while (*p == '\n')
240 p = strchr(p, '\n') + 1; 249 p = strchr(p, '\n') + 1;
241 250
242 t = strchr(p, '\n'); 251 t = strchr(p, '\n');
243 if (t) { 252 if (t) {
244 if (*t == '\0') 253 if (*t == '\0')
245 ret->subject = "** empty **"; 254 ret->subject = "** empty **";
246 else 255 else
247 ret->subject = substr(p, t); 256 ret->subject = substr(p, t);
248 p = t + 1; 257 p = t + 1;
249 258
250 while (*p == '\n') 259 while (*p == '\n')
251 p = strchr(p, '\n') + 1; 260 p = strchr(p, '\n') + 1;
252 ret->msg = xstrdup(p); 261 ret->msg = xstrdup(p);
253 } else 262 } else
254 ret->subject = substr(p, p+strlen(p)); 263 ret->subject = substr(p, p+strlen(p));
255 264
265 if(strcmp(ret->msg_encoding, PAGE_ENCODING)) {
266 t = reencode_string(ret->subject, PAGE_ENCODING,
267 ret->msg_encoding);
268 if(t) {
269 free(ret->subject);
270 ret->subject = t;
271 }
272
273 t = reencode_string(ret->msg, PAGE_ENCODING,
274 ret->msg_encoding);
275 if(t) {
276 free(ret->msg);
277 ret->msg = t;
278 }
279 }
280
256 return ret; 281 return ret;
257} 282}
258 283
259 284
260struct taginfo *cgit_parse_tag(struct tag *tag) 285struct taginfo *cgit_parse_tag(struct tag *tag)
261{ 286{
262 void *data; 287 void *data;
263 enum object_type type; 288 enum object_type type;
264 unsigned long size; 289 unsigned long size;
265 char *p, *t; 290 char *p, *t;
266 struct taginfo *ret; 291 struct taginfo *ret;
267 292
268 data = read_sha1_file(tag->object.sha1, &type, &size); 293 data = read_sha1_file(tag->object.sha1, &type, &size);
269 if (!data || type != OBJ_TAG) { 294 if (!data || type != OBJ_TAG) {
270 free(data); 295 free(data);
271 return 0; 296 return 0;
272 } 297 }
273 298
274 ret = xmalloc(sizeof(*ret)); 299 ret = xmalloc(sizeof(*ret));
275 ret->tagger = NULL; 300 ret->tagger = NULL;
276 ret->tagger_email = NULL; 301 ret->tagger_email = NULL;
277 ret->tagger_date = 0; 302 ret->tagger_date = 0;
278 ret->msg = NULL; 303 ret->msg = NULL;
279 304
280 p = data; 305 p = data;
281 306
282 while (p && *p) { 307 while (p && *p) {
283 if (*p == '\n') 308 if (*p == '\n')
284 break; 309 break;
285 310
286 if (!strncmp(p, "tagger ", 7)) { 311 if (!strncmp(p, "tagger ", 7)) {
287 p += 7; 312 p += 7;
288 t = strchr(p, '<') - 1; 313 t = strchr(p, '<') - 1;
289 ret->tagger = substr(p, t); 314 ret->tagger = substr(p, t);
290 p = t; 315 p = t;
291 t = strchr(t, '>') + 1; 316 t = strchr(t, '>') + 1;
292 ret->tagger_email = substr(p, t); 317 ret->tagger_email = substr(p, t);
293 ret->tagger_date = atol(++t); 318 ret->tagger_date = atol(++t);
294 } 319 }
295 p = strchr(p, '\n') + 1; 320 p = strchr(p, '\n') + 1;
296 } 321 }
297 322
298 while (p && *p && (*p != '\n')) 323 while (p && *p && (*p != '\n'))
299 p = strchr(p, '\n') + 1; // skip unknown tag fields 324 p = strchr(p, '\n') + 1; // skip unknown tag fields
300 325
301 while (p && (*p == '\n')) 326 while (p && (*p == '\n'))
302 p = strchr(p, '\n') + 1; 327 p = strchr(p, '\n') + 1;
303 if (p && *p) 328 if (p && *p)
304 ret->msg = xstrdup(p); 329 ret->msg = xstrdup(p);
305 free(data); 330 free(data);
306 return ret; 331 return ret;
307} 332}