1#include "cgit.h"
  2
  3char *fmt(const char *format, ...)
  4{
  5	static char buf[8][1024];
  6	static int bufidx;
  7	int len;
  8	va_list args;
  9
 10	bufidx++;
 11	bufidx &= 7;
 12
 13	va_start(args, format);
 14	len = vsnprintf(buf[bufidx], sizeof(buf[bufidx]), format, args);
 15	va_end(args);
 16	if (len>sizeof(buf[bufidx]))
 17		die("[html.c] string truncated: %s", format);
 18	return buf[bufidx];
 19}
 20
 21void html(const char *txt)
 22{
 23	write(htmlfd, txt, strlen(txt));
 24}
 25
 26void htmlf(const char *format, ...)
 27{
 28	static char buf[65536];
 29	va_list args;
 30
 31	va_start(args, format);
 32	vsnprintf(buf, sizeof(buf), format, args);
 33	va_end(args);
 34	html(buf);
 35}
 36
 37void html_txt(char *txt)
 38{
 39	char *t = txt;
 40	while(*t){
 41		int c = *t;
 42		if (c=='<' || c=='>' || c=='&') {
 43			*t = '\0';
 44			html(txt);
 45			*t = c;
 46			if (c=='>')
 47				html("&gt;");
 48			else if (c=='<')
 49				html("&lt;");
 50			else if (c=='&')
 51				html("&amp;");
 52			txt = t+1;
 53		}
 54		t++;
 55	}
 56	if (t!=txt)
 57		html(txt);
 58}
 59
 60
 61void html_attr(char *txt)
 62{
 63	char *t = txt;
 64	while(*t){
 65		int c = *t;
 66		if (c=='<' || c=='>' || c=='\'') {
 67			*t = '\0';
 68			html(txt);
 69			*t = c;
 70			if (c=='>')
 71				html("&gt;");
 72			else if (c=='<')
 73				html("&lt;");
 74			else if (c=='\'')
 75				html("&quote;");
 76			txt = t+1;
 77		}
 78		t++;
 79	}
 80	if (t!=txt)
 81		html(txt);
 82}
 83
 84void html_link_open(char *url, char *title, char *class)
 85{
 86	html("<a href='");
 87	html_attr(url);
 88	if (title) {
 89		html("' title='");
 90		html_attr(title);
 91	}
 92	if (class) {
 93		html("' class='");
 94		html_attr(class);
 95	}
 96	html("'>");
 97}
 98
 99void html_link_close(void)
100{
101	html("</a>");
102}