/* ui-shared.c: common web output functions * * Copyright (C) 2006 Lars Hjemli * * Licensed under GNU General Public License v2 *   (see COPYING for full license text) */ #include "cgit.h" const char cgit_doctype[] ="<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\"\n""  \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">\n"; static char *http_date(time_t t){	static char day[][4] =		{"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};	static char month[][4] =		{"Jan", "Feb", "Mar", "Apr", "May", "Jun",		 "Jul", "Aug", "Sep", "Oct", "Now", "Dec"};	struct tm *tm = gmtime(&t);	return fmt("%s, %02d %s %04d %02d:%02d:%02d GMT", day[tm->tm_wday],		   tm->tm_mday, month[tm->tm_mon], 1900+tm->tm_year,		   tm->tm_hour, tm->tm_min, tm->tm_sec);} static long ttl_seconds(long ttl){	if (ttl<0)		return 60 * 60 * 24 * 365;	else		return ttl * 60;} void cgit_print_error(char *msg){	html("<div class='error'>");	html_txt(msg);	html("</div>\n");} char *cgit_rooturl(){	if (cgit_virtual_root)		return fmt("%s/", cgit_virtual_root);	else		return cgit_script_name;} char *cgit_repourl(const char *reponame){	if (cgit_virtual_root) {		return fmt("%s/%s/", cgit_virtual_root, reponame);	} else {		return fmt("?r=%s", reponame);	}} char *cgit_fileurl(const char *reponame, const char *pagename,		   const char *filename, const char *query){	if (cgit_virtual_root) {		if (query)			return fmt("%s/%s/%s/%s?%s", cgit_virtual_root, reponame,				   pagename, filename?filename:"", query);		else			return fmt("%s/%s/%s/", cgit_virtual_root, reponame,				   pagename);	} else {		if (query)			return fmt("?r=%s&amp;p=%s&amp;%s", reponame, pagename, query);		else			return fmt("?r=%s&amp;p=%s", reponame, pagename);	}} char *cgit_pageurl(const char *reponame, const char *pagename,		   const char *query){	return cgit_fileurl(reponame,pagename,0,query);} const char *cgit_repobasename(const char *reponame){	/* I assume we don't need to store more than one repo basename */	static char rvbuf[1024];	int p;	const char *rv;	strncpy(rvbuf,reponame,sizeof(rvbuf));	if(rvbuf[sizeof(rvbuf)-1])		die("cgit_repobasename: truncated repository name '%s'", reponame);	p = strlen(rvbuf)-1;	/* strip trailing slashes */	while(p && rvbuf[p]=='/') rvbuf[p--]=0;	/* strip trailing .git */	if(p>=3 && !strncmp(&rvbuf[p-3],".git",4)) {		p -= 3; rvbuf[p--] = 0;	}	/* strip more trailing slashes if any */	while( p && rvbuf[p]=='/') rvbuf[p--]=0;	/* find last slash in the remaining string */	rv = strrchr(rvbuf,'/');	if(rv)		return ++rv;	return rvbuf;} char *cgit_currurl(){	if (!cgit_virtual_root)		return cgit_script_name;	else if (cgit_query_page)		return fmt("%s/%s/%s/", cgit_virtual_root, cgit_query_repo, cgit_query_page);	else if (cgit_query_repo)		return fmt("%s/%s/", cgit_virtual_root, cgit_query_repo);	else		return fmt("%s/", cgit_virtual_root);} static char *repolink(char *title, char *class, char *page, char *head,		      char *path){	char *delim = "?"; 	html("<a");	if (title) {		html(" title='");		html_attr(title);		html("'");	}	if (class) {		html(" class='");		html_attr(class);		html("'");	}	html(" href='");	if (cgit_virtual_root) {		html_attr(cgit_virtual_root);		if (cgit_virtual_root[strlen(cgit_virtual_root) - 1] != '/')			html("/");		html_attr(cgit_repo->url);		if (cgit_repo->url[strlen(cgit_repo->url) - 1] != '/')			html("/");		if (page) {			html(page);			html("/");			if (path)				html_attr(path);		}	} else {		html(cgit_script_name);		html("?url=");		html_attr(cgit_repo->url);		if (cgit_repo->url[strlen(cgit_repo->url) - 1] != '/')			html("/");		if (page) {			html(page);			html("/");			if (path)				html_attr(path);		}		delim = "&amp;";	}	if (head && strcmp(head, cgit_repo->defbranch)) {		html(delim);		html("h=");		html_attr(head);		delim = "&amp;";	}	return fmt("%s", delim);} static void reporevlink(char *page, char *name, char *title, char *class,			char *head, char *rev, char *path){	char *delim; 	delim = repolink(title, class, page, head, path);	if (rev && strcmp(rev, cgit_query_head)) {		html(delim);		html("id=");		html_attr(rev);	}	html("'>");	html_txt(name);	html("</a>");} void cgit_tree_link(char *name, char *title, char *class, char *head,		    char *rev, char *path){	reporevlink("tree", name, title, class, head, rev, path);} void cgit_log_link(char *name, char *title, char *class, char *head,		   char *rev, char *path, int ofs){	char *delim; 	delim = repolink(title, class, "log", head, path);	if (rev && strcmp(rev, cgit_query_head)) {		html(delim);		html("id=");		html_attr(rev);		delim = "&";	}	if (ofs > 0) {		html(delim);		html("ofs=");		htmlf("%d", ofs);	}	html("'>");	html_txt(name);	html("</a>");} void cgit_commit_link(char *name, char *title, char *class, char *head,		      char *rev){	if (strlen(name) > cgit_max_msg_len && cgit_max_msg_len >= 15) {		name[cgit_max_msg_len] = '\0';		name[cgit_max_msg_len - 1] = '.';		name[cgit_max_msg_len - 2] = '.';		name[cgit_max_msg_len - 3] = '.';	}	reporevlink("commit", name, title, class, head, rev, NULL);} void cgit_snapshot_link(char *name, char *title, char *class, char *head,			char *rev, char *archivename){	reporevlink("snapshot", name, title, class, head, rev, archivename);} void cgit_diff_link(char *name, char *title, char *class, char *head,		    char *new_rev, char *old_rev, char *path){	char *delim; 	delim = repolink(title, class, "diff", head, path);	if (new_rev && strcmp(new_rev, cgit_query_head)) {		html(delim);		html("id=");		html_attr(new_rev);		delim = "&amp;";	}	if (old_rev) {		html(delim);		html("id2=");		html_attr(old_rev);	}	html("'>");	html_txt(name);	html("</a>");} void cgit_object_link(struct object *obj){	char *page, *arg, *url; 	if (obj->type == OBJ_COMMIT) {                cgit_commit_link(fmt("commit %s", sha1_to_hex(obj->sha1)), NULL, NULL,				 cgit_query_head, sha1_to_hex(obj->sha1));		return;	} else if (obj->type == OBJ_TREE) {		page = "tree";		arg = "id";	} else {		page = "blob";		arg = "id";	} 	url = cgit_pageurl(cgit_query_repo, page,			   fmt("%s=%s", arg, sha1_to_hex(obj->sha1)));	html_link_open(url, NULL, NULL);	htmlf("%s %s", typename(obj->type),	      sha1_to_hex(obj->sha1));	html_link_close();} void cgit_print_date(time_t secs, char *format){	char buf[64];	struct tm *time; 	time = gmtime(&secs);	strftime(buf, sizeof(buf)-1, format, time);	html_txt(buf);} void cgit_print_age(time_t t, time_t max_relative, char *format){	time_t now, secs; 	time(&now);	secs = now - t; 	if (secs > max_relative && max_relative >= 0) {		cgit_print_date(t, format);		return;	} 	if (secs < TM_HOUR * 2) {		htmlf("<span class='age-mins'>%.0f min.</span>",		      secs * 1.0 / TM_MIN);		return;	}	if (secs < TM_DAY * 2) {		htmlf("<span class='age-hours'>%.0f hours</span>",		      secs * 1.0 / TM_HOUR);		return;	}	if (secs < TM_WEEK * 2) {		htmlf("<span class='age-days'>%.0f days</span>",		      secs * 1.0 / TM_DAY);		return;	}	if (secs < TM_MONTH * 2) {		htmlf("<span class='age-weeks'>%.0f weeks</span>",		      secs * 1.0 / TM_WEEK);		return;	}	if (secs < TM_YEAR * 2) {		htmlf("<span class='age-months'>%.0f months</span>",		      secs * 1.0 / TM_MONTH);		return;	}	htmlf("<span class='age-years'>%.0f years</span>",	      secs * 1.0 / TM_YEAR);} void cgit_print_docstart(char *title, struct cacheitem *item){	html("Content-Type: text/html; charset=utf-8\n");	htmlf("Last-Modified: %s\n", http_date(item->st.st_mtime));	htmlf("Expires: %s\n", http_date(item->st.st_mtime +					 ttl_seconds(item->ttl)));	html("\n");	html(cgit_doctype);	html("<html>\n");	html("<head>\n");	html("<title>");	html_txt(title);	html("</title>\n");	htmlf("<meta name='generator' content='cgit %s'/>\n", cgit_version);	html("<link rel='stylesheet' type='text/css' href='");	html_attr(cgit_css);	html("'/>\n");	html("</head>\n");	html("<body>\n");} void cgit_print_docend(){	html("</td></tr></table>");	html("</body>\n</html>\n");} void cgit_print_pageheader(char *title, int show_search){	html("<table id='layout'>");	html("<tr><td id='header'><a href='");	html_attr(cgit_rooturl());	html("'>");	html_txt(cgit_root_title);	html("</a></td><td id='logo'>");	html("<a href='");	html_attr(cgit_logo_link);	htmlf("'><img src='%s' alt='logo'/></a>", cgit_logo);	html("</td></tr>");	html("<tr><td id='crumb'>");	if (cgit_query_repo) {		html_txt(cgit_repo->name);		html(" (");		html_txt(cgit_query_head);		html(") : &nbsp;");		reporevlink(NULL, "summary", NULL, NULL, cgit_query_head,			    NULL, NULL);		html(" ");		cgit_log_link("log", NULL, NULL, cgit_query_head,			      cgit_query_sha1, cgit_query_path, 0);		html(" ");		cgit_tree_link("tree", NULL, NULL, cgit_query_head,			       cgit_query_sha1, NULL);		html(" ");		cgit_commit_link("commit", NULL, NULL, cgit_query_head,			      cgit_query_sha1);		html(" ");		cgit_diff_link("diff", NULL, NULL, cgit_query_head,			       cgit_query_sha1, cgit_query_sha2,			       cgit_query_path);	} else {		html_txt("Index of repositories");	}	html("</td>");	html("<td id='search'>");	if (show_search) {		html("<form method='get' action='");		html_attr(cgit_currurl());		html("'>");		if (!cgit_virtual_root) {			if (cgit_query_repo)				html_hidden("r", cgit_query_repo);			if (cgit_query_page)				html_hidden("p", cgit_query_page);		}		if (cgit_query_head)			html_hidden("h", cgit_query_head);		if (cgit_query_sha1)			html_hidden("id", cgit_query_sha1);		if (cgit_query_sha2)			html_hidden("id2", cgit_query_sha2);		html("<input type='text' name='q' value='");		html_attr(cgit_query_search);		html("'/></form>");	}	html("</td></tr>");	html("<tr><td id='content' colspan='2'>");} void cgit_print_snapshot_start(const char *mimetype, const char *filename,			       struct cacheitem *item){	htmlf("Content-Type: %s\n", mimetype);	htmlf("Content-Disposition: inline; filename=\"%s\"\n", filename);	htmlf("Last-Modified: %s\n", http_date(item->st.st_mtime));	htmlf("Expires: %s\n", http_date(item->st.st_mtime +					 ttl_seconds(item->ttl)));	html("\n");} /* vim:set sw=8: */