author | Lars Hjemli <hjemli@gmail.com> | 2008-09-01 20:40:24 (UTC) |
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committer | Lars Hjemli <hjemli@gmail.com> | 2008-09-01 20:40:24 (UTC) |
commit | 288d502b3d8e7fa916104b486bbb146521e5c716 (patch) (unidiff) | |
tree | afa132f6c973ab30e0b8ed1201fb691fe91103c0 /html.c | |
parent | 2cecf839a06ce951db0d5d95abf79004eff33ca7 (diff) | |
parent | 02a545e63454530c1639014d3239c14ced2022c6 (diff) | |
download | cgit-288d502b3d8e7fa916104b486bbb146521e5c716.zip cgit-288d502b3d8e7fa916104b486bbb146521e5c716.tar.gz cgit-288d502b3d8e7fa916104b486bbb146521e5c716.tar.bz2 |
Merge branch 'lh/clone'
* lh/clone:
Add support for cloning over http
Conflicts:
cmd.c
-rw-r--r-- | html.c | 7 |
1 files changed, 7 insertions, 0 deletions
@@ -1,245 +1,252 @@ | |||
1 | /* html.c: helper functions for html output | 1 | /* html.c: helper functions for html output |
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 <unistd.h> | 9 | #include <unistd.h> |
10 | #include <stdio.h> | 10 | #include <stdio.h> |
11 | #include <stdlib.h> | 11 | #include <stdlib.h> |
12 | #include <stdarg.h> | 12 | #include <stdarg.h> |
13 | #include <string.h> | 13 | #include <string.h> |
14 | #include <errno.h> | 14 | #include <errno.h> |
15 | 15 | ||
16 | int htmlfd = STDOUT_FILENO; | 16 | int htmlfd = STDOUT_FILENO; |
17 | 17 | ||
18 | char *fmt(const char *format, ...) | 18 | char *fmt(const char *format, ...) |
19 | { | 19 | { |
20 | static char buf[8][1024]; | 20 | static char buf[8][1024]; |
21 | static int bufidx; | 21 | static int bufidx; |
22 | int len; | 22 | int len; |
23 | va_list args; | 23 | va_list args; |
24 | 24 | ||
25 | bufidx++; | 25 | bufidx++; |
26 | bufidx &= 7; | 26 | bufidx &= 7; |
27 | 27 | ||
28 | va_start(args, format); | 28 | va_start(args, format); |
29 | len = vsnprintf(buf[bufidx], sizeof(buf[bufidx]), format, args); | 29 | len = vsnprintf(buf[bufidx], sizeof(buf[bufidx]), format, args); |
30 | va_end(args); | 30 | va_end(args); |
31 | if (len>sizeof(buf[bufidx])) { | 31 | if (len>sizeof(buf[bufidx])) { |
32 | fprintf(stderr, "[html.c] string truncated: %s\n", format); | 32 | fprintf(stderr, "[html.c] string truncated: %s\n", format); |
33 | exit(1); | 33 | exit(1); |
34 | } | 34 | } |
35 | return buf[bufidx]; | 35 | return buf[bufidx]; |
36 | } | 36 | } |
37 | 37 | ||
38 | void html(const char *txt) | 38 | void html(const char *txt) |
39 | { | 39 | { |
40 | write(htmlfd, txt, strlen(txt)); | 40 | write(htmlfd, txt, strlen(txt)); |
41 | } | 41 | } |
42 | 42 | ||
43 | void htmlf(const char *format, ...) | 43 | void htmlf(const char *format, ...) |
44 | { | 44 | { |
45 | static char buf[65536]; | 45 | static char buf[65536]; |
46 | va_list args; | 46 | va_list args; |
47 | 47 | ||
48 | va_start(args, format); | 48 | va_start(args, format); |
49 | vsnprintf(buf, sizeof(buf), format, args); | 49 | vsnprintf(buf, sizeof(buf), format, args); |
50 | va_end(args); | 50 | va_end(args); |
51 | html(buf); | 51 | html(buf); |
52 | } | 52 | } |
53 | 53 | ||
54 | void html_status(int code, int more_headers) | ||
55 | { | ||
56 | htmlf("Status: %d\n", code); | ||
57 | if (!more_headers) | ||
58 | html("\n"); | ||
59 | } | ||
60 | |||
54 | void html_txt(char *txt) | 61 | void html_txt(char *txt) |
55 | { | 62 | { |
56 | char *t = txt; | 63 | char *t = txt; |
57 | while(t && *t){ | 64 | while(t && *t){ |
58 | int c = *t; | 65 | int c = *t; |
59 | if (c=='<' || c=='>' || c=='&') { | 66 | if (c=='<' || c=='>' || c=='&') { |
60 | write(htmlfd, txt, t - txt); | 67 | write(htmlfd, txt, t - txt); |
61 | if (c=='>') | 68 | if (c=='>') |
62 | html(">"); | 69 | html(">"); |
63 | else if (c=='<') | 70 | else if (c=='<') |
64 | html("<"); | 71 | html("<"); |
65 | else if (c=='&') | 72 | else if (c=='&') |
66 | html("&"); | 73 | html("&"); |
67 | txt = t+1; | 74 | txt = t+1; |
68 | } | 75 | } |
69 | t++; | 76 | t++; |
70 | } | 77 | } |
71 | if (t!=txt) | 78 | if (t!=txt) |
72 | html(txt); | 79 | html(txt); |
73 | } | 80 | } |
74 | 81 | ||
75 | void html_ntxt(int len, char *txt) | 82 | void html_ntxt(int len, char *txt) |
76 | { | 83 | { |
77 | char *t = txt; | 84 | char *t = txt; |
78 | while(t && *t && len--){ | 85 | while(t && *t && len--){ |
79 | int c = *t; | 86 | int c = *t; |
80 | if (c=='<' || c=='>' || c=='&') { | 87 | if (c=='<' || c=='>' || c=='&') { |
81 | write(htmlfd, txt, t - txt); | 88 | write(htmlfd, txt, t - txt); |
82 | if (c=='>') | 89 | if (c=='>') |
83 | html(">"); | 90 | html(">"); |
84 | else if (c=='<') | 91 | else if (c=='<') |
85 | html("<"); | 92 | html("<"); |
86 | else if (c=='&') | 93 | else if (c=='&') |
87 | html("&"); | 94 | html("&"); |
88 | txt = t+1; | 95 | txt = t+1; |
89 | } | 96 | } |
90 | t++; | 97 | t++; |
91 | } | 98 | } |
92 | if (t!=txt) | 99 | if (t!=txt) |
93 | write(htmlfd, txt, t - txt); | 100 | write(htmlfd, txt, t - txt); |
94 | if (len<0) | 101 | if (len<0) |
95 | html("..."); | 102 | html("..."); |
96 | } | 103 | } |
97 | 104 | ||
98 | void html_attr(char *txt) | 105 | void html_attr(char *txt) |
99 | { | 106 | { |
100 | char *t = txt; | 107 | char *t = txt; |
101 | while(t && *t){ | 108 | while(t && *t){ |
102 | int c = *t; | 109 | int c = *t; |
103 | if (c=='<' || c=='>' || c=='\'') { | 110 | if (c=='<' || c=='>' || c=='\'') { |
104 | write(htmlfd, txt, t - txt); | 111 | write(htmlfd, txt, t - txt); |
105 | if (c=='>') | 112 | if (c=='>') |
106 | html(">"); | 113 | html(">"); |
107 | else if (c=='<') | 114 | else if (c=='<') |
108 | html("<"); | 115 | html("<"); |
109 | else if (c=='\'') | 116 | else if (c=='\'') |
110 | html(""e;"); | 117 | html(""e;"); |
111 | txt = t+1; | 118 | txt = t+1; |
112 | } | 119 | } |
113 | t++; | 120 | t++; |
114 | } | 121 | } |
115 | if (t!=txt) | 122 | if (t!=txt) |
116 | html(txt); | 123 | html(txt); |
117 | } | 124 | } |
118 | 125 | ||
119 | void html_hidden(char *name, char *value) | 126 | void html_hidden(char *name, char *value) |
120 | { | 127 | { |
121 | html("<input type='hidden' name='"); | 128 | html("<input type='hidden' name='"); |
122 | html_attr(name); | 129 | html_attr(name); |
123 | html("' value='"); | 130 | html("' value='"); |
124 | html_attr(value); | 131 | html_attr(value); |
125 | html("'/>"); | 132 | html("'/>"); |
126 | } | 133 | } |
127 | 134 | ||
128 | void html_option(char *value, char *text, char *selected_value) | 135 | void html_option(char *value, char *text, char *selected_value) |
129 | { | 136 | { |
130 | html("<option value='"); | 137 | html("<option value='"); |
131 | html_attr(value); | 138 | html_attr(value); |
132 | html("'"); | 139 | html("'"); |
133 | if (selected_value && !strcmp(selected_value, value)) | 140 | if (selected_value && !strcmp(selected_value, value)) |
134 | html(" selected='selected'"); | 141 | html(" selected='selected'"); |
135 | html(">"); | 142 | html(">"); |
136 | html_txt(text); | 143 | html_txt(text); |
137 | html("</option>\n"); | 144 | html("</option>\n"); |
138 | } | 145 | } |
139 | 146 | ||
140 | void html_link_open(char *url, char *title, char *class) | 147 | void html_link_open(char *url, char *title, char *class) |
141 | { | 148 | { |
142 | html("<a href='"); | 149 | html("<a href='"); |
143 | html_attr(url); | 150 | html_attr(url); |
144 | if (title) { | 151 | if (title) { |
145 | html("' title='"); | 152 | html("' title='"); |
146 | html_attr(title); | 153 | html_attr(title); |
147 | } | 154 | } |
148 | if (class) { | 155 | if (class) { |
149 | html("' class='"); | 156 | html("' class='"); |
150 | html_attr(class); | 157 | html_attr(class); |
151 | } | 158 | } |
152 | html("'>"); | 159 | html("'>"); |
153 | } | 160 | } |
154 | 161 | ||
155 | void html_link_close(void) | 162 | void html_link_close(void) |
156 | { | 163 | { |
157 | html("</a>"); | 164 | html("</a>"); |
158 | } | 165 | } |
159 | 166 | ||
160 | void html_fileperm(unsigned short mode) | 167 | void html_fileperm(unsigned short mode) |
161 | { | 168 | { |
162 | htmlf("%c%c%c", (mode & 4 ? 'r' : '-'), | 169 | htmlf("%c%c%c", (mode & 4 ? 'r' : '-'), |
163 | (mode & 2 ? 'w' : '-'), (mode & 1 ? 'x' : '-')); | 170 | (mode & 2 ? 'w' : '-'), (mode & 1 ? 'x' : '-')); |
164 | } | 171 | } |
165 | 172 | ||
166 | int html_include(const char *filename) | 173 | int html_include(const char *filename) |
167 | { | 174 | { |
168 | FILE *f; | 175 | FILE *f; |
169 | char buf[4096]; | 176 | char buf[4096]; |
170 | size_t len; | 177 | size_t len; |
171 | 178 | ||
172 | if (!(f = fopen(filename, "r"))) { | 179 | if (!(f = fopen(filename, "r"))) { |
173 | fprintf(stderr, "[cgit] Failed to include file %s: %s (%d).\n", | 180 | fprintf(stderr, "[cgit] Failed to include file %s: %s (%d).\n", |
174 | filename, strerror(errno), errno); | 181 | filename, strerror(errno), errno); |
175 | return -1; | 182 | return -1; |
176 | } | 183 | } |
177 | while((len = fread(buf, 1, 4096, f)) > 0) | 184 | while((len = fread(buf, 1, 4096, f)) > 0) |
178 | write(htmlfd, buf, len); | 185 | write(htmlfd, buf, len); |
179 | fclose(f); | 186 | fclose(f); |
180 | return 0; | 187 | return 0; |
181 | } | 188 | } |
182 | 189 | ||
183 | int hextoint(char c) | 190 | int hextoint(char c) |
184 | { | 191 | { |
185 | if (c >= 'a' && c <= 'f') | 192 | if (c >= 'a' && c <= 'f') |
186 | return 10 + c - 'a'; | 193 | return 10 + c - 'a'; |
187 | else if (c >= 'A' && c <= 'F') | 194 | else if (c >= 'A' && c <= 'F') |
188 | return 10 + c - 'A'; | 195 | return 10 + c - 'A'; |
189 | else if (c >= '0' && c <= '9') | 196 | else if (c >= '0' && c <= '9') |
190 | return c - '0'; | 197 | return c - '0'; |
191 | else | 198 | else |
192 | return -1; | 199 | return -1; |
193 | } | 200 | } |
194 | 201 | ||
195 | char *convert_query_hexchar(char *txt) | 202 | char *convert_query_hexchar(char *txt) |
196 | { | 203 | { |
197 | int d1, d2; | 204 | int d1, d2; |
198 | if (strlen(txt) < 3) { | 205 | if (strlen(txt) < 3) { |
199 | *txt = '\0'; | 206 | *txt = '\0'; |
200 | return txt-1; | 207 | return txt-1; |
201 | } | 208 | } |
202 | d1 = hextoint(*(txt+1)); | 209 | d1 = hextoint(*(txt+1)); |
203 | d2 = hextoint(*(txt+2)); | 210 | d2 = hextoint(*(txt+2)); |
204 | if (d1<0 || d2<0) { | 211 | if (d1<0 || d2<0) { |
205 | strcpy(txt, txt+3); | 212 | strcpy(txt, txt+3); |
206 | return txt-1; | 213 | return txt-1; |
207 | } else { | 214 | } else { |
208 | *txt = d1 * 16 + d2; | 215 | *txt = d1 * 16 + d2; |
209 | strcpy(txt+1, txt+3); | 216 | strcpy(txt+1, txt+3); |
210 | return txt; | 217 | return txt; |
211 | } | 218 | } |
212 | } | 219 | } |
213 | 220 | ||
214 | int http_parse_querystring(char *txt, void (*fn)(const char *name, const char *value)) | 221 | int http_parse_querystring(char *txt, void (*fn)(const char *name, const char *value)) |
215 | { | 222 | { |
216 | char *t, *value = NULL, c; | 223 | char *t, *value = NULL, c; |
217 | 224 | ||
218 | if (!txt) | 225 | if (!txt) |
219 | return 0; | 226 | return 0; |
220 | 227 | ||
221 | t = txt = strdup(txt); | 228 | t = txt = strdup(txt); |
222 | if (t == NULL) { | 229 | if (t == NULL) { |
223 | printf("Out of memory\n"); | 230 | printf("Out of memory\n"); |
224 | exit(1); | 231 | exit(1); |
225 | } | 232 | } |
226 | while((c=*t) != '\0') { | 233 | while((c=*t) != '\0') { |
227 | if (c=='=') { | 234 | if (c=='=') { |
228 | *t = '\0'; | 235 | *t = '\0'; |
229 | value = t+1; | 236 | value = t+1; |
230 | } else if (c=='+') { | 237 | } else if (c=='+') { |
231 | *t = ' '; | 238 | *t = ' '; |
232 | } else if (c=='%') { | 239 | } else if (c=='%') { |
233 | t = convert_query_hexchar(t); | 240 | t = convert_query_hexchar(t); |
234 | } else if (c=='&') { | 241 | } else if (c=='&') { |
235 | *t = '\0'; | 242 | *t = '\0'; |
236 | (*fn)(txt, value); | 243 | (*fn)(txt, value); |
237 | txt = t+1; | 244 | txt = t+1; |
238 | value = NULL; | 245 | value = NULL; |
239 | } | 246 | } |
240 | t++; | 247 | t++; |
241 | } | 248 | } |
242 | if (t!=txt) | 249 | if (t!=txt) |
243 | (*fn)(txt, value); | 250 | (*fn)(txt, value); |
244 | return 0; | 251 | return 0; |
245 | } | 252 | } |