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path: root/parsing.c
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-rw-r--r--parsing.c47
1 files changed, 47 insertions, 0 deletions
diff --git a/parsing.c b/parsing.c
index 4412dee..8aad1dd 100644
--- a/parsing.c
+++ b/parsing.c
@@ -7,192 +7,239 @@
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 int ret = 0, len; 67 int ret = 0, len;
68 char line[256]; 68 char line[256];
69 const char *value; 69 const char *value;
70 FILE *f = fopen(filename, "r"); 70 FILE *f = fopen(filename, "r");
71 71
72 if (!f) 72 if (!f)
73 return -1; 73 return -1;
74 74
75 while((len = read_config_line(f, line, &value, sizeof(line))) > 0) 75 while((len = read_config_line(f, line, &value, sizeof(line))) > 0)
76 (*fn)(line, value); 76 (*fn)(line, value);
77 77
78 fclose(f); 78 fclose(f);
79 return ret; 79 return ret;
80} 80}
81 81
82char *convert_query_hexchar(char *txt) 82char *convert_query_hexchar(char *txt)
83{ 83{
84 int d1, d2; 84 int d1, d2;
85 if (strlen(txt) < 3) { 85 if (strlen(txt) < 3) {
86 *txt = '\0'; 86 *txt = '\0';
87 return txt-1; 87 return txt-1;
88 } 88 }
89 d1 = hextoint(*(txt+1)); 89 d1 = hextoint(*(txt+1));
90 d2 = hextoint(*(txt+2)); 90 d2 = hextoint(*(txt+2));
91 if (d1<0 || d2<0) { 91 if (d1<0 || d2<0) {
92 strcpy(txt, txt+3); 92 strcpy(txt, txt+3);
93 return txt-1; 93 return txt-1;
94 } else { 94 } else {
95 *txt = d1 * 16 + d2; 95 *txt = d1 * 16 + d2;
96 strcpy(txt+1, txt+3); 96 strcpy(txt+1, txt+3);
97 return txt; 97 return txt;
98 } 98 }
99} 99}
100 100
101int cgit_parse_query(char *txt, configfn fn) 101int cgit_parse_query(char *txt, configfn fn)
102{ 102{
103 char *t, *value = NULL, c; 103 char *t, *value = NULL, c;
104 104
105 if (!txt) 105 if (!txt)
106 return 0; 106 return 0;
107 107
108 t = txt = xstrdup(txt); 108 t = txt = xstrdup(txt);
109 109
110 while((c=*t) != '\0') { 110 while((c=*t) != '\0') {
111 if (c=='=') { 111 if (c=='=') {
112 *t = '\0'; 112 *t = '\0';
113 value = t+1; 113 value = t+1;
114 } else if (c=='+') { 114 } else if (c=='+') {
115 *t = ' '; 115 *t = ' ';
116 } else if (c=='%') { 116 } else if (c=='%') {
117 t = convert_query_hexchar(t); 117 t = convert_query_hexchar(t);
118 } else if (c=='&') { 118 } else if (c=='&') {
119 *t = '\0'; 119 *t = '\0';
120 (*fn)(txt, value); 120 (*fn)(txt, value);
121 txt = t+1; 121 txt = t+1;
122 value = NULL; 122 value = NULL;
123 } 123 }
124 t++; 124 t++;
125 } 125 }
126 if (t!=txt) 126 if (t!=txt)
127 (*fn)(txt, value); 127 (*fn)(txt, value);
128 return 0; 128 return 0;
129} 129}
130 130
131char *substr(const char *head, const char *tail) 131char *substr(const char *head, const char *tail)
132{ 132{
133 char *buf; 133 char *buf;
134 134
135 buf = xmalloc(tail - head + 1); 135 buf = xmalloc(tail - head + 1);
136 strncpy(buf, head, tail - head); 136 strncpy(buf, head, tail - head);
137 buf[tail - head] = '\0'; 137 buf[tail - head] = '\0';
138 return buf; 138 return buf;
139} 139}
140 140
141struct commitinfo *cgit_parse_commit(struct commit *commit) 141struct commitinfo *cgit_parse_commit(struct commit *commit)
142{ 142{
143 struct commitinfo *ret; 143 struct commitinfo *ret;
144 char *p = commit->buffer, *t = commit->buffer; 144 char *p = commit->buffer, *t = commit->buffer;
145 145
146 ret = xmalloc(sizeof(*ret)); 146 ret = xmalloc(sizeof(*ret));
147 ret->commit = commit; 147 ret->commit = commit;
148 ret->author = NULL; 148 ret->author = NULL;
149 ret->author_email = NULL; 149 ret->author_email = NULL;
150 ret->committer = NULL; 150 ret->committer = NULL;
151 ret->committer_email = NULL; 151 ret->committer_email = NULL;
152 ret->subject = NULL; 152 ret->subject = NULL;
153 ret->msg = NULL; 153 ret->msg = NULL;
154 154
155 if (strncmp(p, "tree ", 5)) 155 if (strncmp(p, "tree ", 5))
156 die("Bad commit: %s", sha1_to_hex(commit->object.sha1)); 156 die("Bad commit: %s", sha1_to_hex(commit->object.sha1));
157 else 157 else
158 p += 46; // "tree " + hex[40] + "\n" 158 p += 46; // "tree " + hex[40] + "\n"
159 159
160 while (!strncmp(p, "parent ", 7)) 160 while (!strncmp(p, "parent ", 7))
161 p += 48; // "parent " + hex[40] + "\n" 161 p += 48; // "parent " + hex[40] + "\n"
162 162
163 if (!strncmp(p, "author ", 7)) { 163 if (!strncmp(p, "author ", 7)) {
164 p += 7; 164 p += 7;
165 t = strchr(p, '<') - 1; 165 t = strchr(p, '<') - 1;
166 ret->author = substr(p, t); 166 ret->author = substr(p, t);
167 p = t; 167 p = t;
168 t = strchr(t, '>') + 1; 168 t = strchr(t, '>') + 1;
169 ret->author_email = substr(p, t); 169 ret->author_email = substr(p, t);
170 ret->author_date = atol(++t); 170 ret->author_date = atol(++t);
171 p = strchr(t, '\n') + 1; 171 p = strchr(t, '\n') + 1;
172 } 172 }
173 173
174 if (!strncmp(p, "committer ", 9)) { 174 if (!strncmp(p, "committer ", 9)) {
175 p += 9; 175 p += 9;
176 t = strchr(p, '<') - 1; 176 t = strchr(p, '<') - 1;
177 ret->committer = substr(p, t); 177 ret->committer = substr(p, t);
178 p = t; 178 p = t;
179 t = strchr(t, '>') + 1; 179 t = strchr(t, '>') + 1;
180 ret->committer_email = substr(p, t); 180 ret->committer_email = substr(p, t);
181 ret->committer_date = atol(++t); 181 ret->committer_date = atol(++t);
182 p = strchr(t, '\n') + 1; 182 p = strchr(t, '\n') + 1;
183 } 183 }
184 184
185 while (*p == '\n') 185 while (*p == '\n')
186 p = strchr(p, '\n') + 1; 186 p = strchr(p, '\n') + 1;
187 187
188 t = strchr(p, '\n'); 188 t = strchr(p, '\n');
189 if (t && *t) { 189 if (t && *t) {
190 ret->subject = substr(p, t); 190 ret->subject = substr(p, t);
191 p = t + 1; 191 p = t + 1;
192 192
193 while (*p == '\n') 193 while (*p == '\n')
194 p = strchr(p, '\n') + 1; 194 p = strchr(p, '\n') + 1;
195 ret->msg = p; 195 ret->msg = p;
196 } 196 }
197 return ret; 197 return ret;
198} 198}
199
200
201struct taginfo *cgit_parse_tag(struct tag *tag)
202{
203 void *data;
204 char type[20];
205 unsigned long size;
206 char *p, *t;
207 struct taginfo *ret;
208
209 data = read_sha1_file(tag->object.sha1, type, &size);
210 if (!data || strcmp(type, tag_type)) {
211 free(data);
212 return 0;
213 }
214
215 ret = xmalloc(sizeof(*ret));
216 ret->tagger = NULL;
217 ret->tagger_email = NULL;
218 ret->tagger_date = 0;
219 ret->msg = NULL;
220
221 p = data;
222
223 while (p) {
224 if (*p == '\n')
225 break;
226
227 if (!strncmp(p, "tagger ", 7)) {
228 p += 7;
229 t = strchr(p, '<') - 1;
230 ret->tagger = substr(p, t);
231 p = t;
232 t = strchr(t, '>') + 1;
233 ret->tagger_email = substr(p, t);
234 ret->tagger_date = atol(++t);
235 }
236 p = strchr(p, '\n') + 1;
237 }
238
239 while (p && (*p == '\n'))
240 p = strchr(p, '\n') + 1;
241 if (p)
242 ret->msg = xstrdup(p);
243 free(data);
244 return ret;
245}