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-rw-r--r--parsing.c53
1 files changed, 53 insertions, 0 deletions
diff --git a/parsing.c b/parsing.c
index 98b3243..6cab0e9 100644
--- a/parsing.c
+++ b/parsing.c
@@ -1,106 +1,159 @@
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 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
82int cgit_parse_query(char *txt, configfn fn) 82int cgit_parse_query(char *txt, configfn fn)
83{ 83{
84 char *t, *value = NULL, c; 84 char *t, *value = NULL, c;
85 85
86 if (!txt) 86 if (!txt)
87 return 0; 87 return 0;
88 88
89 t = txt = xstrdup(txt); 89 t = txt = xstrdup(txt);
90 90
91 while((c=*t) != '\0') { 91 while((c=*t) != '\0') {
92 if (c=='=') { 92 if (c=='=') {
93 *t = '\0'; 93 *t = '\0';
94 value = t+1; 94 value = t+1;
95 } else if (c=='&') { 95 } else if (c=='&') {
96 *t = '\0'; 96 *t = '\0';
97 (*fn)(txt, value); 97 (*fn)(txt, value);
98 txt = t+1; 98 txt = t+1;
99 value = NULL; 99 value = NULL;
100 } 100 }
101 t++; 101 t++;
102 } 102 }
103 if (t!=txt) 103 if (t!=txt)
104 (*fn)(txt, value); 104 (*fn)(txt, value);
105 return 0; 105 return 0;
106} 106}
107
108char *substr(const char *head, const char *tail)
109{
110 char *buf;
111
112 buf = xmalloc(tail - head + 1);
113 strncpy(buf, head, tail - head);
114 buf[tail - head] = '\0';
115 return buf;
116}
117
118struct commitinfo *cgit_parse_commit(struct commit *commit)
119{
120 struct commitinfo *ret;
121 char *p = commit->buffer, *t = commit->buffer;
122
123 ret = xmalloc(sizeof(*ret));
124 ret->commit = commit;
125
126 if (strncmp(p, "tree ", 5))
127 die("Bad commit: %s", sha1_to_hex(commit->object.sha1));
128 else
129 p += 46; // "tree " + hex[40] + "\n"
130
131 while (!strncmp(p, "parent ", 7))
132 p += 48; // "parent " + hex[40] + "\n"
133
134 if (!strncmp(p, "author ", 7)) {
135 p += 7;
136 t = strchr(p, '<') - 1;
137 ret->author = substr(p, t);
138 p = strchr(p, '\n') + 1;
139 }
140
141 if (!strncmp(p, "committer ", 9)) {
142 p += 9;
143 t = strchr(p, '<') - 1;
144 ret->committer = substr(p, t);
145 p = strchr(p, '\n') + 1;
146 }
147
148 while (*p == '\n')
149 p = strchr(p, '\n') + 1;
150
151 t = strchr(p, '\n');
152 ret->subject = substr(p, t);
153
154 while (*p == '\n')
155 p = strchr(p, '\n') + 1;
156 ret->msg = p;
157
158 return ret;
159}