GNU GENERAL PUBLIC LICENSE
Version 2, June 1991
Copyright (C) 1989, 1991 Free Software Foundation, Inc.
59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
Preamble
The licenses for most software are designed to take away your
freedom to share and change it. By contrast, the GNU General Public
License is intended to guarantee your freedom to share and change free
software--to make sure the software is free for all its users. This
General Public License applies to most of the Free Software
Foundation's software and to any other program whose authors commit to
using it. (Some other Free Software Foundation software is covered by
the GNU Library General Public License instead.) You can apply it to
your programs, too.
When we speak of free software, we are referring to freedom, not
price. Our General Public Licenses are designed to make sure that you
have the freedom to distribute copies of free software (and charge for
this service if you wish), that you recei/* 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&p=%s&%s", reponame, pagename, query);
else
return fmt("?r=%s&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 = "&";
}
if (head && strcmp(head, cgit_repo->defbranch)) {
html(delim);
html("h=");
html_attr(head);
delim = "&";
}
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 *grep, char *pattern)
{
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 (grep && pattern) {
html(delim);
html("qt=");
html_attr(grep);
delim = "&";
html(delim);
html("q=");
html_attr(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) > 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_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, cgit_query_head)) {
html(delim);
html("id=");
html_attr(new_rev);
delim = "&";
}
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 if (obj->type == OBJ_TAG) {
page = "tag";
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>\n</tr>\n<table>\n</body>\n</html>\n");
}
int print_branch_option(const char *refname, const unsigned char *sha1,
int flags, void *cb_data)
{
char *name = (char *)refname;
html_option(name, name, cgit_query_head);
return 0;
}
int print_archive_ref(const char *refname, const unsigned char *sha1,
int flags, void *cb_data)
{
struct tag *tag;
struct taginfo *info;
struct object *obj;
char buf[256], *url;
unsigned char fileid[20];
int *header = (int *)cb_data;
if (prefixcmp(refname, "refs/archives"))
return 0;
strncpy(buf, refname+14, sizeof(buf));
obj = parse_object(sha1);
if (!obj)
return 1;
if (obj->type == OBJ_TAG) {
tag = lookup_tag(sha1);
if (!tag || parse_tag(tag) || !(info = cgit_parse_tag(tag)))
return 0;
hashcpy(fileid, tag->tagged->sha1);
} else if (obj->type != OBJ_BLOB) {
return 0;
} else {
hashcpy(fileid, sha1);
}
if (!*header) {
html("<p><h1>download</h1>");
*header = 1;
}
url = cgit_pageurl(cgit_query_repo, "blob",
fmt("id=%s&path=%s", sha1_to_hex(fileid),
buf));
html_link_open(url, NULL, "menu");
html_txt(strlpart(buf, 20));
html_link_close();
return 0;
}
void add_hidden_formfields(int incl_head, int incl_search)
{
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 (incl_head && strcmp(cgit_query_head, cgit_repo->defbranch))
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);
if (incl_search) {
if (cgit_query_grep)
html_hidden("qt", cgit_query_grep);
if (cgit_query_search)
html_hidden("q", cgit_query_search);
}
}
void cgit_print_pageheader(char *title, int show_search)
{
static const char *default_info = "This is cgit, a fast webinterface for git repositories";
int header = 0;
html("<div id='sidebar'>\n");
html("<a href='");
html_attr(cgit_rooturl());
htmlf("'><div id='logo'><img src='%s' alt='cgit'/></div></a>\n",
cgit_logo);
html("<div class='infobox'>");
if (cgit_query_repo) {
html("<h1>");
html_txt(strrpart(cgit_repo->name, 20));
html("</h1>\n");
html_txt(cgit_repo->desc);
if (cgit_repo->owner) {
html("<p>\n<h1>owner</h1>\n");
html_txt(cgit_repo->owner);
}
html("<p>\n<h1>navigate</h1>\n");
reporevlink(NULL, "summary", NULL, "menu", cgit_query_head,
NULL, NULL);
cgit_log_link("log", NULL, "menu", cgit_query_head,
cgit_query_sha1, cgit_query_path, 0, NULL, NULL);
cgit_tree_link("tree", NULL, "menu", cgit_query_head,
cgit_query_sha1, NULL);
cgit_commit_link("commit", NULL, "menu", cgit_query_head,
cgit_query_sha1);
cgit_diff_link("diff", NULL, "menu", cgit_query_head,
cgit_query_sha1, cgit_query_sha2,
cgit_query_path);
for_each_ref(print_archive_ref, &header);
html("<p>\n<h1>branch</h1>\n");
html("<form method='get' action=''>\n");
add_hidden_formfields(0, 1);
html("<select name='h' onchange='this.form.submit();'>\n");
for_each_branch_ref(print_branch_option, cgit_query_head);
html("</select>\n");
html("</form>\n");
html("<p>\n<h1>search</h1>\n");
html("<form method='get' action='");
html_attr(cgit_pageurl(cgit_query_repo, "log", NULL));
html("'>\n");
add_hidden_formfields(1, 0);
html("<select name='qt'>\n");
html_option("grep", "log msg", cgit_query_grep);
html_option("author", "author", cgit_query_grep);
html_option("committer", "committer", cgit_query_grep);
html("</select>\n");
html("<input class='txt' type='text' name='q' value='");
html_attr(cgit_query_search);
html("'/>\n");
html("</form>\n");
} else {
if (!cgit_index_info || html_include(cgit_index_info))
html(default_info);
}
html("</div>\n");
html("</div>\n<table class='grid'><tr><td id='content'>\n");
}
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: */
