/* 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)
{
char *tmp;
char *delim;
if (cgit_virtual_root) {
tmp = fmt("%s/%s/%s/%s", cgit_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 (!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_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, *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;
if (!secs)
return;
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);
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=" PAGE_ENCODING "\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 xmlns='http://www.w3.org/1999/xhtml' xml:lang='en' lang='en'>\n");
html("<head>\n");
html("<title>");
html_txt(title);
html("</title>\n");
htmlf("<meta name='generator' content='cgit %s'/>\n", cgit_version);
if (cgit_robots && *cgit_robots)
htmlf("<meta name='robots' content='%s'/>\n", cgit_robots);
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("<h1>download</h1>\n");
*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, char *page)
{
char *url;
if (!cgit_virtual_root) {
url = fmt("%s/%s", cgit_query_repo, page);
if (cgit_query_path)
url = fmt("%s/%s", url, cgit_query_path);
html_hidden("url", url);
}
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;
char *url;
html("<table id='layout' summary=''>\n");
html("<tr><td id='sidebar'>\n");
html("<table class='sidebar' cellspacing='0' summary=''>\n");
html("<tr><td class='sidebar'>\n<a href='");
html_attr(cgit_rooturl());
htmlf("'><img src='%s' alt='cgit'/></a>\n",
cgit_logo);
html("</td></tr>\n<tr><td class='sidebar'>\n");
if (cgit_query_repo) {
html("<h1 class='first'>");
html_txt(strrpart(cgit_repo->name, 20));
html("</h1>\n");
html_txt(cgit_repo->desc);
if (cgit_repo->owner) {
html("<h1>owner</h1>\n");
html_txt(cgit_repo->owner);
}
html("<h1>navigate</h1>\n");
reporevlink(NULL, "summary", NULL, "menu", cgit_query_head,
NULL, NULL);
cgit_log_link("log", NULL, "menu", cgit_query_head, NULL, NULL,
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, NULL);
cgit_patch_link("patch", NULL, "menu", cgit_query_head,
cgit_query_sha1);
for_each_ref(print_archive_ref, &header);
if (cgit_repo->clone_url || cgit_clone_prefix) {
html("<h1>clone</h1>\n");
if (cgit_repo->clone_url)
url = cgit_repo->clone_url;
else
url = fmt("%s%s", cgit_clone_prefix,
cgit_repo->url);
html("<a class='menu' href='");
html_attr(url);
html("' title='");
html_attr(url);
html("'>\n");
html_txt(strrpart(url, 20));
html("</a>\n");
}
html("<h1>branch</h1>\n");
html("<form method='get' action=''>\n");
add_hidden_formfields(0, 1, cgit_query_page);
// html("<table summary='branch selector' class='grid'><tr><td id='branch-dropdown-cell'>");
html("<select name='h' onchange='this.form.submit();'>\n");
for_each_branch_ref(print_branch_option, cgit_query_head);
html("</select>\n");
// html("</td><td>");
html("<noscript><input type='submit' id='switch-btn' value='switch'/></noscript>\n");
// html("</td></tr></table>");
html("</form>\n");
html("<h1>search</h1>\n");
html("<form method='get' action='");
if (cgit_virtual_root)
html_attr(cgit_fileurl(cgit_query_repo, "log",
cgit_query_path, NULL));
html("'>\n");
add_hidden_formfields(1, 0, "log");
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("</td></tr></table></td>\n");
html("<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: */
