cgitsb/ui-shared.c
Lars Hjemli b88fb016d0 Improve initialization of git directory
Using the functions offered by libgit feels like the right thing to do. Also,
make sure that config errors gets properly reported.

Signed-off-by: Lars Hjemli <hjemli@gmail.com>
2008-02-16 21:48:19 +01:00

571 baris
14 KiB
C

/* 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 (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 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_attr(ctx.cfg.virtual_root);
if (ctx.cfg.virtual_root[strlen(ctx.cfg.virtual_root) - 1] != '/')
html("/");
html_attr(ctx.repo->url);
if (ctx.repo->url[strlen(ctx.repo->url) - 1] != '/')
html("/");
if (page) {
html(page);
html("/");
if (path)
html_attr(path);
}
} else {
html(ctx.cfg.script_name);
html("?url=");
html_attr(ctx.repo->url);
if (ctx.repo->url[strlen(ctx.repo->url) - 1] != '/')
html("/");
if (page) {
html(page);
html("/");
if (path)
html_attr(path);
}
delim = "&amp;";
}
if (head && strcmp(head, ctx.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, ctx.qry.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, ctx.qry.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) > 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_attr(new_rev);
delim = "&amp;";
}
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,
ctx.qry.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(ctx.qry.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 (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");
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, ctx.qry.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(ctx.qry.repo, "blob",
fmt("id=%s&amp;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 (!ctx.cfg.virtual_root) {
url = fmt("%s/%s", ctx.qry.repo, page);
if (ctx.qry.path)
url = fmt("%s/%s", url, ctx.qry.path);
html_hidden("url", url);
}
if (incl_head && strcmp(ctx.qry.head, ctx.repo->defbranch))
html_hidden("h", ctx.qry.head);
if (ctx.qry.sha1)
html_hidden("id", ctx.qry.sha1);
if (ctx.qry.sha2)
html_hidden("id2", ctx.qry.sha2);
if (incl_search) {
if (ctx.qry.grep)
html_hidden("qt", ctx.qry.grep);
if (ctx.qry.search)
html_hidden("q", ctx.qry.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",
ctx.cfg.logo);
html("</td></tr>\n<tr><td class='sidebar'>\n");
if (ctx.repo) {
html("<h1 class='first'>");
html_txt(strrpart(ctx.repo->name, 20));
html("</h1>\n");
html_txt(ctx.repo->desc);
if (ctx.repo->owner) {
html("<h1>owner</h1>\n");
html_txt(ctx.repo->owner);
}
html("<h1>navigate</h1>\n");
reporevlink(NULL, "summary", NULL, "menu", ctx.qry.head,
NULL, NULL);
cgit_log_link("log", NULL, "menu", ctx.qry.head, NULL, NULL,
0, NULL, NULL);
cgit_tree_link("tree", NULL, "menu", ctx.qry.head,
ctx.qry.sha1, NULL);
cgit_commit_link("commit", NULL, "menu", ctx.qry.head,
ctx.qry.sha1);
cgit_diff_link("diff", NULL, "menu", ctx.qry.head,
ctx.qry.sha1, ctx.qry.sha2, NULL);
cgit_patch_link("patch", NULL, "menu", ctx.qry.head,
ctx.qry.sha1);
for_each_ref(print_archive_ref, &header);
if (ctx.repo->clone_url || ctx.cfg.clone_prefix) {
html("<h1>clone</h1>\n");
if (ctx.repo->clone_url)
url = ctx.repo->clone_url;
else
url = fmt("%s%s", ctx.cfg.clone_prefix,
ctx.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, ctx.qry.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, ctx.qry.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 (ctx.cfg.virtual_root)
html_attr(cgit_fileurl(ctx.qry.repo, "log",
ctx.qry.path, NULL));
html("'>\n");
add_hidden_formfields(1, 0, "log");
html("<select name='qt'>\n");
html_option("grep", "log msg", ctx.qry.grep);
html_option("author", "author", ctx.qry.grep);
html_option("committer", "committer", ctx.qry.grep);
html("</select>\n");
html("<input class='txt' type='text' name='q' value='");
html_attr(ctx.qry.search);
html("'/>\n");
html("</form>\n");
} else {
if (!ctx.cfg.index_info || html_include(ctx.cfg.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: */