/* 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 && *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_ntxt(int len, char *txt){	char *t = txt;	while(t && *t && len--){		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) {		char c = *t;		*t = '\0';		html(txt);		*t = c;	}	if (len<0)		html("...");} void html_attr(char *txt){	char *t = txt;	while(t && *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_hidden(char *name, char *value){	html("<input type='hidden' name='");	html_attr(name);	html("' value='");	html_attr(value);	html("'/>");} void html_option(char *value, char *text, char *selected_value){	html("<option value='");	html_attr(value);	html("'");	if (selected_value && !strcmp(selected_value, value))		html(" selected");	html(">");	html_txt(text);	html("</option>\n");} 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>");} void html_fileperm(unsigned short mode){	htmlf("%c%c%c", (mode & 4 ? 'r' : '-'), 	      (mode & 2 ? 'w' : '-'), (mode & 1 ? 'x' : '-'));} void html_filemode(unsigned short mode){	if (S_ISDIR(mode))		html("d");	else if (S_ISLNK(mode))		html("l");	else if (S_ISGITLINK(mode))		html("m");	else		html("-");	html_fileperm(mode >> 6);	html_fileperm(mode >> 3);	html_fileperm(mode);} int html_include(const char *filename){	FILE *f;	char buf[4096];	size_t len; 	if (!(f = fopen(filename, "r")))		return -1;	while((len = fread(buf, 1, 4096, f)) > 0)		write(htmlfd, buf, len);	fclose(f);	return 0;}