cgit/html.c
Lars Hjemli 7640d90b73 Add license file and copyright notices
Signed-off-by: Lars Hjemli <hjemli@gmail.com>
2006-12-10 22:41:14 +01:00

111 lines
1.6 KiB
C

/* html.c: helper functions for html output
*
* Copyright (C) 2006 Lars Hjemli
*
* Licensed under GNU General Public License v2
* (see COPYING for full license text)
*/
#include "cgit.h"
char *fmt(const char *format, ...)
{
static char buf[8][1024];
static int bufidx;
int len;
va_list args;
bufidx++;
bufidx &= 7;
va_start(args, format);
len = vsnprintf(buf[bufidx], sizeof(buf[bufidx]), format, args);
va_end(args);
if (len>sizeof(buf[bufidx]))
die("[html.c] string truncated: %s", format);
return buf[bufidx];
}
void html(const char *txt)
{
write(htmlfd, txt, strlen(txt));
}
void htmlf(const char *format, ...)
{
static char buf[65536];
va_list args;
va_start(args, format);
vsnprintf(buf, sizeof(buf), format, args);
va_end(args);
html(buf);
}
void html_txt(char *txt)
{
char *t = txt;
while(*t){
int c = *t;
if (c=='<' || c=='>' || c=='&') {
*t = '\0';
html(txt);
*t = c;
if (c=='>')
html("&gt;");
else if (c=='<')
html("&lt;");
else if (c=='&')
html("&amp;");
txt = t+1;
}
t++;
}
if (t!=txt)
html(txt);
}
void html_attr(char *txt)
{
char *t = txt;
while(*t){
int c = *t;
if (c=='<' || c=='>' || c=='\'') {
*t = '\0';
html(txt);
*t = c;
if (c=='>')
html("&gt;");
else if (c=='<')
html("&lt;");
else if (c=='\'')
html("&quote;");
txt = t+1;
}
t++;
}
if (t!=txt)
html(txt);
}
void html_link_open(char *url, char *title, char *class)
{
html("<a href='");
html_attr(url);
if (title) {
html("' title='");
html_attr(title);
}
if (class) {
html("' class='");
html_attr(class);
}
html("'>");
}
void html_link_close(void)
{
html("</a>");
}