1 /* html.c: helper functions for html output
3 * Copyright (C) 2006 Lars Hjemli
5 * Licensed under GNU General Public License v2
6 * (see COPYING for full license text)
16 int htmlfd = STDOUT_FILENO;
18 char *fmt(const char *format, ...)
20 static char buf[8][1024];
28 va_start(args, format);
29 len = vsnprintf(buf[bufidx], sizeof(buf[bufidx]), format, args);
31 if (len>sizeof(buf[bufidx])) {
32 fprintf(stderr, "[html.c] string truncated: %s\n", format);
38 void html_raw(const char *data, size_t size)
40 write(htmlfd, data, size);
43 void html(const char *txt)
45 write(htmlfd, txt, strlen(txt));
48 void htmlf(const char *format, ...)
50 static char buf[65536];
53 va_start(args, format);
54 vsnprintf(buf, sizeof(buf), format, args);
59 void html_status(int code, const char *msg, int more_headers)
61 htmlf("Status: %d %s\n", code, msg);
66 void html_txt(char *txt)
71 if (c=='<' || c=='>' || c=='&') {
72 write(htmlfd, txt, t - txt);
87 void html_ntxt(int len, char *txt)
90 while(t && *t && len--){
92 if (c=='<' || c=='>' || c=='&') {
93 write(htmlfd, txt, t - txt);
105 write(htmlfd, txt, t - txt);
110 void html_attr(char *txt)
115 if (c=='<' || c=='>' || c=='\'') {
116 write(htmlfd, txt, t - txt);
131 void html_url_path(char *txt)
136 if (c=='"' || c=='#' || c=='\'' || c=='?') {
137 write(htmlfd, txt, t - txt);
138 write(htmlfd, fmt("%%%2x", c), 3);
147 void html_url_arg(char *txt)
152 if (c=='"' || c=='#' || c=='%' || c=='&' || c=='\'' || c=='+' || c=='?') {
153 write(htmlfd, txt, t - txt);
154 write(htmlfd, fmt("%%%2x", c), 3);
163 void html_hidden(char *name, char *value)
165 html("<input type='hidden' name='");
172 void html_option(char *value, char *text, char *selected_value)
174 html("<option value='");
177 if (selected_value && !strcmp(selected_value, value))
178 html(" selected='selected'");
184 void html_link_open(char *url, char *title, char *class)
199 void html_link_close(void)
204 void html_fileperm(unsigned short mode)
206 htmlf("%c%c%c", (mode & 4 ? 'r' : '-'),
207 (mode & 2 ? 'w' : '-'), (mode & 1 ? 'x' : '-'));
210 int html_include(const char *filename)
216 if (!(f = fopen(filename, "r"))) {
217 fprintf(stderr, "[cgit] Failed to include file %s: %s (%d).\n",
218 filename, strerror(errno), errno);
221 while((len = fread(buf, 1, 4096, f)) > 0)
222 write(htmlfd, buf, len);
229 if (c >= 'a' && c <= 'f')
231 else if (c >= 'A' && c <= 'F')
233 else if (c >= '0' && c <= '9')
239 char *convert_query_hexchar(char *txt)
242 if (strlen(txt) < 3) {
246 d1 = hextoint(*(txt+1));
247 d2 = hextoint(*(txt+2));
253 strcpy(txt+1, txt+3);
258 int http_parse_querystring(char *txt, void (*fn)(const char *name, const char *value))
260 char *t, *value = NULL, c;
265 t = txt = strdup(txt);
267 printf("Out of memory\n");
270 while((c=*t) != '\0') {
277 t = convert_query_hexchar(t);