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-rw-r--r--parsing.c43
1 files changed, 43 insertions, 0 deletions
diff --git a/parsing.c b/parsing.c
index 36b0f0c..a028625 100644
--- a/parsing.c
+++ b/parsing.c
@@ -1,249 +1,292 @@
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/*
136 * url syntax: [repo ['/' cmd [ '/' path]]]
137 * repo: any valid repo url, may contain '/'
138 * cmd: log | commit | diff | tree | view | blob | snapshot
139 * path: any valid path, may contain '/'
140 *
141 */
142void cgit_parse_url(const char *url)
143{
144 char *cmd, *p;
145
146 cgit_repo = NULL;
147 if (!url || url[0] == '\0')
148 return;
149
150 cgit_repo = cgit_get_repoinfo(url);
151 if (cgit_repo) {
152 cgit_query_repo = cgit_repo->url;
153 return;
154 }
155
156 cmd = strchr(url, '/');
157 while (!cgit_repo && cmd) {
158 cmd[0] = '\0';
159 cgit_repo = cgit_get_repoinfo(url);
160 if (cgit_repo == NULL) {
161 cmd[0] = '/';
162 cmd = strchr(cmd + 1, '/');
163 continue;
164 }
165
166 cgit_query_repo = cgit_repo->url;
167 p = strchr(cmd + 1, '/');
168 if (p) {
169 p[0] = '\0';
170 cgit_query_path = xstrdup(p + 1);
171 }
172 cgit_cmd = cgit_get_cmd_index(cmd + 1);
173 cgit_query_page = xstrdup(cmd + 1);
174 return;
175 }
176}
177
135char *substr(const char *head, const char *tail) 178char *substr(const char *head, const char *tail)
136{ 179{
137 char *buf; 180 char *buf;
138 181
139 buf = xmalloc(tail - head + 1); 182 buf = xmalloc(tail - head + 1);
140 strncpy(buf, head, tail - head); 183 strncpy(buf, head, tail - head);
141 buf[tail - head] = '\0'; 184 buf[tail - head] = '\0';
142 return buf; 185 return buf;
143} 186}
144 187
145struct commitinfo *cgit_parse_commit(struct commit *commit) 188struct commitinfo *cgit_parse_commit(struct commit *commit)
146{ 189{
147 struct commitinfo *ret; 190 struct commitinfo *ret;
148 char *p = commit->buffer, *t = commit->buffer; 191 char *p = commit->buffer, *t = commit->buffer;
149 192
150 ret = xmalloc(sizeof(*ret)); 193 ret = xmalloc(sizeof(*ret));
151 ret->commit = commit; 194 ret->commit = commit;
152 ret->author = NULL; 195 ret->author = NULL;
153 ret->author_email = NULL; 196 ret->author_email = NULL;
154 ret->committer = NULL; 197 ret->committer = NULL;
155 ret->committer_email = NULL; 198 ret->committer_email = NULL;
156 ret->subject = NULL; 199 ret->subject = NULL;
157 ret->msg = NULL; 200 ret->msg = NULL;
158 201
159 if (strncmp(p, "tree ", 5)) 202 if (strncmp(p, "tree ", 5))
160 die("Bad commit: %s", sha1_to_hex(commit->object.sha1)); 203 die("Bad commit: %s", sha1_to_hex(commit->object.sha1));
161 else 204 else
162 p += 46; // "tree " + hex[40] + "\n" 205 p += 46; // "tree " + hex[40] + "\n"
163 206
164 while (!strncmp(p, "parent ", 7)) 207 while (!strncmp(p, "parent ", 7))
165 p += 48; // "parent " + hex[40] + "\n" 208 p += 48; // "parent " + hex[40] + "\n"
166 209
167 if (!strncmp(p, "author ", 7)) { 210 if (!strncmp(p, "author ", 7)) {
168 p += 7; 211 p += 7;
169 t = strchr(p, '<') - 1; 212 t = strchr(p, '<') - 1;
170 ret->author = substr(p, t); 213 ret->author = substr(p, t);
171 p = t; 214 p = t;
172 t = strchr(t, '>') + 1; 215 t = strchr(t, '>') + 1;
173 ret->author_email = substr(p, t); 216 ret->author_email = substr(p, t);
174 ret->author_date = atol(++t); 217 ret->author_date = atol(++t);
175 p = strchr(t, '\n') + 1; 218 p = strchr(t, '\n') + 1;
176 } 219 }
177 220
178 if (!strncmp(p, "committer ", 9)) { 221 if (!strncmp(p, "committer ", 9)) {
179 p += 9; 222 p += 9;
180 t = strchr(p, '<') - 1; 223 t = strchr(p, '<') - 1;
181 ret->committer = substr(p, t); 224 ret->committer = substr(p, t);
182 p = t; 225 p = t;
183 t = strchr(t, '>') + 1; 226 t = strchr(t, '>') + 1;
184 ret->committer_email = substr(p, t); 227 ret->committer_email = substr(p, t);
185 ret->committer_date = atol(++t); 228 ret->committer_date = atol(++t);
186 p = strchr(t, '\n') + 1; 229 p = strchr(t, '\n') + 1;
187 } 230 }
188 231
189 while (*p == '\n') 232 while (*p == '\n')
190 p = strchr(p, '\n') + 1; 233 p = strchr(p, '\n') + 1;
191 234
192 t = strchr(p, '\n'); 235 t = strchr(p, '\n');
193 if (t && *t) { 236 if (t && *t) {
194 ret->subject = substr(p, t); 237 ret->subject = substr(p, t);
195 p = t + 1; 238 p = t + 1;
196 239
197 while (*p == '\n') 240 while (*p == '\n')
198 p = strchr(p, '\n') + 1; 241 p = strchr(p, '\n') + 1;
199 ret->msg = p; 242 ret->msg = p;
200 } 243 }
201 return ret; 244 return ret;
202} 245}
203 246
204 247
205struct taginfo *cgit_parse_tag(struct tag *tag) 248struct taginfo *cgit_parse_tag(struct tag *tag)
206{ 249{
207 void *data; 250 void *data;
208 enum object_type type; 251 enum object_type type;
209 unsigned long size; 252 unsigned long size;
210 char *p, *t; 253 char *p, *t;
211 struct taginfo *ret; 254 struct taginfo *ret;
212 255
213 data = read_sha1_file(tag->object.sha1, &type, &size); 256 data = read_sha1_file(tag->object.sha1, &type, &size);
214 if (!data || type != OBJ_TAG) { 257 if (!data || type != OBJ_TAG) {
215 free(data); 258 free(data);
216 return 0; 259 return 0;
217 } 260 }
218 261
219 ret = xmalloc(sizeof(*ret)); 262 ret = xmalloc(sizeof(*ret));
220 ret->tagger = NULL; 263 ret->tagger = NULL;
221 ret->tagger_email = NULL; 264 ret->tagger_email = NULL;
222 ret->tagger_date = 0; 265 ret->tagger_date = 0;
223 ret->msg = NULL; 266 ret->msg = NULL;
224 267
225 p = data; 268 p = data;
226 269
227 while (p && *p) { 270 while (p && *p) {
228 if (*p == '\n') 271 if (*p == '\n')
229 break; 272 break;
230 273
231 if (!strncmp(p, "tagger ", 7)) { 274 if (!strncmp(p, "tagger ", 7)) {
232 p += 7; 275 p += 7;
233 t = strchr(p, '<') - 1; 276 t = strchr(p, '<') - 1;
234 ret->tagger = substr(p, t); 277 ret->tagger = substr(p, t);
235 p = t; 278 p = t;
236 t = strchr(t, '>') + 1; 279 t = strchr(t, '>') + 1;
237 ret->tagger_email = substr(p, t); 280 ret->tagger_email = substr(p, t);
238 ret->tagger_date = atol(++t); 281 ret->tagger_date = atol(++t);
239 } 282 }
240 p = strchr(p, '\n') + 1; 283 p = strchr(p, '\n') + 1;
241 } 284 }
242 285
243 while (p && (*p == '\n')) 286 while (p && (*p == '\n'))
244 p = strchr(p, '\n') + 1; 287 p = strchr(p, '\n') + 1;
245 if (p && *p) 288 if (p && *p)
246 ret->msg = xstrdup(p); 289 ret->msg = xstrdup(p);
247 free(data); 290 free(data);
248 return ret; 291 return ret;
249} 292}