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/* 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"#include "cmd.h"#include "html.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);} void cgit_print_error(char *msg){	html("<div class='error'>");	html_txt(msg);	html("</div>\n");} char *cgit_hosturl(){	char *host, *port; 	host = getenv("HTTP_HOST");	if (host) {		host = xstrdup(host);	} else {		host = getenv("SERVER_NAME");		if (!host)			return NULL;		port = getenv("SERVER_PORT");		if (port && atoi(port) != 80)			host = xstrdup(fmt("%s:%d", host, atoi(port)));		else			host = xstrdup(host);	}	return host;} char *cgit_rooturl(){	if (ctx.cfg.virtual_root)		return fmt("%s/", ctx.cfg.virtual_root);	else		return ctx.cfg.script_name;} char *cgit_repourl(const char *reponame){	if (ctx.cfg.virtual_root) {		return fmt("%s/%s/", ctx.cfg.virtual_root, reponame);	} else {		return fmt("?r=%s", reponame);	}} char *cgit_fileurl(const char *reponame, const char *pagename,		   const char *filename, const char *query){	char *tmp;	char *delim; 	if (ctx.cfg.virtual_root) {		tmp = fmt("%s/%s/%s/%s", ctx.cfg.virtual_root, reponame,			  pagename, (filename ? filename:""));		delim = "?";	} else {		tmp = fmt("?url=%s/%s/%s", reponame, pagename,			  (filename ? filename : ""));		delim = "&";	}	if (query)		tmp = fmt("%s%s%s", tmp, delim, query);	return tmp;} 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 (!ctx.cfg.virtual_root)		return ctx.cfg.script_name;	else if (ctx.qry.page)		return fmt("%s/%s/%s/", ctx.cfg.virtual_root, ctx.qry.repo, ctx.qry.page);	else if (ctx.qry.repo)		return fmt("%s/%s/", ctx.cfg.virtual_root, ctx.qry.repo);	else		return fmt("%s/", ctx.cfg.virtual_root);} static void site_url(char *page, char *search, int ofs){	char *delim = "?"; 	if (ctx.cfg.virtual_root) {		html_attr(ctx.cfg.virtual_root);		if (ctx.cfg.virtual_root[strlen(ctx.cfg.virtual_root) - 1] != '/')			html("/");	} else		html(ctx.cfg.script_name); 	if (page) {		htmlf("?p=%s", page);		delim = "&";	}	if (search) {		html(delim);		html("q=");		html_attr(search);		delim = "&";	}	if (ofs) {		html(delim);		htmlf("ofs=%d", ofs);	}} static void site_link(char *page, char *name, char *title, char *class,		      char *search, int ofs){	html("<a");	if (title) {		html(" title='");		html_attr(title);		html("'");	}	if (class) {		html(" class='");		html_attr(class);		html("'");	}	html(" href='");	site_url(page, search, ofs);	html("'>");	html_txt(name);	html("</a>");} void cgit_index_link(char *name, char *title, char *class, char *pattern,		     int ofs){	site_link(NULL, name, title, class, pattern, ofs);} 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 (ctx.cfg.virtual_root) {		html_url_path(ctx.cfg.virtual_root);		if (ctx.cfg.virtual_root[strlen(ctx.cfg.virtual_root) - 1] != '/')			html("/");		html_url_path(ctx.repo->url);		if (ctx.repo->url[strlen(ctx.repo->url) - 1] != '/')			html("/");		if (page) {			html_url_path(page);			html("/");			if (path)				html_url_path(path);		}	} else {		html(ctx.cfg.script_name);		html("?url=");		html_url_arg(ctx.repo->url);		if (ctx.repo->url[strlen(ctx.repo->url) - 1] != '/')			html("/");		if (page) {			html_url_arg(page);			html("/");			if (path)				html_url_arg(path);		}		delim = "&amp;";	}	if (head && strcmp(head, ctx.repo->defbranch)) {		html(delim);		html("h=");		html_url_arg(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, ctx.qry.head)) {		html(delim);		html("id=");		html_url_arg(rev);	}	html("'>");	html_txt(name);	html("</a>");} void cgit_summary_link(char *name, char *title, char *class, char *head){	reporevlink(NULL, name, title, class, head, NULL, NULL);} void cgit_tag_link(char *name, char *title, char *class, char *head,		   char *rev){	reporevlink("tag", name, title, class, head, rev, NULL);} 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_plain_link(char *name, char *title, char *class, char *head,		     char *rev, char *path){	reporevlink("plain", 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 *grep, char *pattern){	char *delim; 	delim = repolink(title, class, "log", head, path);	if (rev && strcmp(rev, ctx.qry.head)) {		html(delim);		html("id=");		html_url_arg(rev);		delim = "&";	}	if (grep && pattern) {		html(delim);		html("qt=");		html_url_arg(grep);		delim = "&";		html(delim);		html("q=");		html_url_arg(pattern);	}	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) > ctx.cfg.max_msg_len && ctx.cfg.max_msg_len >= 15) {		name[ctx.cfg.max_msg_len] = '\0';		name[ctx.cfg.max_msg_len - 1] = '.';		name[ctx.cfg.max_msg_len - 2] = '.';		name[ctx.cfg.max_msg_len - 3] = '.';	}	reporevlink("commit", name, title, class, head, rev, NULL);} void cgit_refs_link(char *name, char *title, char *class, char *head,		    char *rev, char *path){	reporevlink("refs", name, title, class, head, rev, path);} 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, ctx.qry.head)) {		html(delim);		html("id=");		html_url_arg(new_rev);		delim = "&amp;";	}	if (old_rev) {		html(delim);		html("id2=");		html_url_arg(old_rev);	}	html("'>");	html_txt(name);	html("</a>");} void cgit_patch_link(char *name, char *title, char *class, char *head,		     char *rev){	reporevlink("patch", name, title, class, head, rev, NULL);} void cgit_object_link(struct object *obj){	char *page, *rev, *name; 	if (obj->type == OBJ_COMMIT) {                cgit_commit_link(fmt("commit %s", sha1_to_hex(obj->sha1)), NULL, NULL,				 ctx.qry.head, sha1_to_hex(obj->sha1));		return;	} else if (obj->type == OBJ_TREE)		page = "tree";	else if (obj->type == OBJ_TAG)		page = "tag";	else		page = "blob";	rev = sha1_to_hex(obj->sha1);	name = fmt("%s %s", typename(obj->type), rev);	reporevlink(page, name, NULL, NULL, ctx.qry.head, rev, NULL);} void cgit_print_date(time_t secs, char *format, int local_time){	char buf[64];	struct tm *time; 	if (!secs)		return;	if(local_time)		time = localtime(&secs);	else		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; 	if (!t)		return;	time(&now);	secs = now - t; 	if (secs > max_relative && max_relative >= 0) {		cgit_print_date(t, format, ctx.cfg.local_time);		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_http_headers(struct cgit_context *ctx){	if (ctx->page.mimetype && ctx->page.charset)		htmlf("Content-Type: %s; charset=%s\n", ctx->page.mimetype,		      ctx->page.charset);	else if (ctx->page.mimetype)		htmlf("Content-Type: %s\n", ctx->page.mimetype);	if (ctx->page.size)		htmlf("Content-Length: %ld\n", ctx->page.size);	if (ctx->page.filename)		htmlf("Content-Disposition: inline; filename=\"%s\"\n",		      ctx->page.filename);	htmlf("Last-Modified: %s\n", http_date(ctx->page.modified));	htmlf("Expires: %s\n", http_date(ctx->page.expires));	html("\n");} void cgit_print_docstart(struct cgit_context *ctx){	char *host = cgit_hosturl();	html(cgit_doctype);	html("<html xmlns='http://www.w3.org/1999/xhtml' xml:lang='en' lang='en'>\n");	html("<head>\n");	html("<title>");	html_txt(ctx->page.title);	html("</title>\n");	htmlf("<meta name='generator' content='cgit %s'/>\n", cgit_version);	if (ctx->cfg.robots && *ctx->cfg.robots)		htmlf("<meta name='robots' content='%s'/>\n", ctx->cfg.robots);	html("<link rel='stylesheet' type='text/css' href='");	html_attr(ctx->cfg.css);	html("'/>\n");	if (ctx->cfg.favicon) {		html("<link rel='shortcut icon' href='");		html_attr(ctx->cfg.favicon);		html("'/>\n");	}	if (host && ctx->repo) {		html("<link rel='alternate' title='Atom feed' href='http://");		html_attr(cgit_hosturl());		html_attr(cgit_fileurl(ctx->repo->url, "atom", ctx->qry.path,				       fmt("h=%s", ctx->qry.head)));		html("' type='application/atom+xml'/>");	}	html("</head>\n");	html("<body>\n");} void cgit_print_docend(){	html("</div>");	if (ctx.cfg.footer)		html_include(ctx.cfg.footer);	else {		htmlf("<div class='footer'>generated  by cgit %s at ",			cgit_version);		cgit_print_date(time(NULL), FMT_LONGDATE, ctx.cfg.local_time);		html("</div>\n");

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