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