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ui-shared.c
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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", "Nov", "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_httpscheme()
{
if (ctx.env.https && !strcmp(ctx.env.https, "on"))
return "https://";
else
return "http://";
}
char *cgit_hosturl()
{
if (ctx.env.http_host)
return ctx.env.http_host;
if (!ctx.env.server_name)
return NULL;
if (!ctx.env.server_port || atoi(ctx.env.server_port) == 80)
return ctx.env.server_name;
return xstrdup(fmt("%s:%s", ctx.env.server_name, ctx.env.server_port));
}
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 = "&";
}
if (head && strcmp(head, ctx.repo->defbranch)) {
html(delim);
html("h=");
html_url_arg(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 && ctx.qry.head != NULL && 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,
int showmsg)
{
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);
delim = "&";
}
if (showmsg) {
html(delim);
html("showmsg=1");
}
html("'>");
html_txt(name);
html("</a>");
}
void cgit_commit_link(char *name, char *title, char *class, char *head,
char *rev, int toggle_ssdiff)
{
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] = '.';
}
char *delim;
delim = repolink(title, class, "commit", head, NULL);
if (rev && strcmp(rev, ctx.qry.head)) {
html(delim);
html("id=");
html_url_arg(rev);
delim = "&";
}
if ((ctx.qry.ssdiff && !toggle_ssdiff) || (!ctx.qry.ssdiff && toggle_ssdiff)) {
html(delim);
html("ss=1");
}
html("'>");
html_txt(name);
html("</a>");
}
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,
int toggle_ssdiff)
{
char *delim;
delim = repolink(title, class, "diff", head, path);
if (new_rev && ctx.qry.head != NULL && strcmp(new_rev, ctx.qry.head)) {
html(delim);
html("id=");
html_url_arg(new_rev);
delim = "&";
}
if (old_rev) {
html(delim);
html("id2=");
html_url_arg(old_rev);
delim = "&";
}
if ((ctx.qry.ssdiff && !toggle_ssdiff) || (!ctx.qry.ssdiff && toggle_ssdiff)) {
html(delim);
html("ss=1");
}
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_stats_link(char *name, char *title, char *class, char *head,
char *path)
{
reporevlink("stats", name, title, class, head, NULL, path);
}
void cgit_object_link(struct object *obj)
{
char *page, *shortrev, *fullrev, *name;
fullrev = sha1_to_hex(obj->sha1);
shortrev = xstrdup(fullrev);
shortrev[10] = '\0';
if (obj->type == OBJ_COMMIT) {
cgit_commit_link(fmt("commit %s...", shortrev), NULL, NULL,
ctx.qry.head, fullrev, 0);
return;
} else if (obj->type == OBJ_TREE)
page = "tree";
else if (obj->type == OBJ_TAG)
page = "tag";
else
page = "blob";
name = fmt("%s %s...", typename(obj->type), shortrev);
reporevlink(page, name, NULL, NULL, ctx.qry.head, fullrev, 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->env.no_http && !strcmp(ctx->env.no_http, "1"))
return;
if (ctx->page.status)
htmlf("Status: %d %s\n", ctx->page.status, ctx->page.statusmsg);
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));
if (ctx->page.etag)
htmlf("ETag: \"%s\"\n", ctx->page.etag);
html("\n");
if (ctx->env.request_method && !strcmp(ctx->env.request_method, "HEAD"))
exit(0);
}
void cgit_print_docstart(struct cgit_context *ctx)
{
if (ctx->cfg.embedded) {
if (ctx->cfg.header)
html_include(ctx->cfg.header);
return;
}
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='");
html(cgit_httpscheme());
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'/>\n");
}
if (ctx->cfg.head_include)
html_include(ctx->cfg.head_include);
html("</head>\n");
html("<body>\n");
if (ctx->cfg.header)
html_include(ctx->cfg.header);
}
void cgit_print_docend()
{
html("</div> <!-- class=content -->\n");
if (ctx.cfg.embedded) {
html("</div> <!-- id=cgit -->\n");
if (ctx.cfg.footer)
html_include(ctx.cfg.footer);
return;
}
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");
}
html("</div> <!-- id=cgit -->\n");
html("</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&path=%s", sha1_to_hex(fileid),
buf));
html_link_open(url, NULL, "menu");
html_txt(strlpart(buf, 20));
html_link_close();
return 0;
}
void cgit_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 && ctx.qry.head && ctx.repo->defbranch &&
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 (ctx.qry.showmsg)
html_hidden("showmsg", "1");
if (incl_search) {
if (ctx.qry.grep)
html_hidden("qt", ctx.qry.grep);
if (ctx.qry.search)
html_hidden("q", ctx.qry.search);
}
}
const char *fallback_cmd = "repolist";
char *hc(struct cgit_cmd *cmd, const char *page)
{
return (strcmp(cmd ? cmd->name : fallback_cmd, page) ? NULL : "active");
}
static void print_header(struct cgit_context *ctx)
{
html("<table id='header'>\n");
html("<tr>\n");
if (ctx->cfg.logo && ctx->cfg.logo[0] != 0) {
html("<td class='logo' rowspan='2'><a href='");
if (ctx->cfg.logo_link)
html_attr(ctx->cfg.logo_link);
else
html_attr(cgit_rooturl());
html("'><img src='");
html_attr(ctx->cfg.logo);
html("' alt='cgit logo'/></a></td>\n");
}
html("<td class='main'>");
if (ctx->repo) {
cgit_index_link("index", NULL, NULL, NULL, 0);
html(" : ");
cgit_summary_link(ctx->repo->name, ctx->repo->name, NULL, NULL);
html("</td><td class='form'>");
html("<form method='get' action=''>\n");
cgit_add_hidden_formfields(0, 1, ctx->qry.page);
html("<select name='h' onchange='this.form.submit();'>\n");
for_each_branch_ref(print_branch_option, ctx->qry.head);
html("</select> ");
html("<input type='submit' name='' value='switch'/>");
html("</form>");
} else
html_txt(ctx->cfg.root_title);
html("</td></tr>\n");
html("<tr><td class='sub'>");
if (ctx->repo) {
html_txt(ctx->repo->desc);
html("</td><td class='sub right'>");
html_txt(ctx->repo->owner);
} else {
if (ctx->cfg.root_desc)
html_txt(ctx->cfg.root_desc);
else if (ctx->cfg.index_info)
html_include(ctx->cfg.index_info);
}
html("</td></tr></table>\n");
}
void cgit_print_pageheader(struct cgit_context *ctx)
{
struct cgit_cmd *cmd = cgit_get_cmd(ctx);
if (!cmd && ctx->repo)
fallback_cmd = "summary";
html("<div id='cgit'>");
if (!ctx->cfg.noheader)
print_header(ctx);
html("<table class='tabs'><tr><td>\n");
if (ctx->repo) {
cgit_summary_link("summary", NULL, hc(cmd, "summary"),
ctx->qry.head);
cgit_refs_link("refs", NULL, hc(cmd, "refs"), ctx->qry.head,
ctx->qry.sha1, NULL);
cgit_log_link("log", NULL, hc(cmd, "log"), ctx->qry.head,
NULL, NULL, 0, NULL, NULL, ctx->qry.showmsg);
cgit_tree_link("tree", NULL, hc(cmd, "tree"), ctx->qry.head,
ctx->qry.sha1, NULL);
cgit_commit_link("commit", NULL, hc(cmd, "commit"),
ctx->qry.head, ctx->qry.sha1, 0);
cgit_diff_link("diff", NULL, hc(cmd, "diff"), ctx->qry.head,
ctx->qry.sha1, ctx->qry.sha2, NULL, 0);
if (ctx->repo->max_stats)
cgit_stats_link("stats", NULL, hc(cmd, "stats"),
ctx->qry.head, NULL);
if (ctx->repo->readme)
reporevlink("about", "about", NULL,
hc(cmd, "about"), ctx->qry.head, NULL,
NULL);
html("</td><td class='form'>");
html("<form class='right' method='get' action='");
if (ctx->cfg.virtual_root)
html_url_path(cgit_fileurl(ctx->qry.repo, "log",
ctx->qry.path, NULL));
html("'>\n");
cgit_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' size='10' name='q' value='");
html_attr(ctx->qry.search);
html("'/>\n");
html("<input type='submit' value='search'/>\n");
html("</form>\n");
} else {
site_link(NULL, "index", NULL, hc(cmd, "repolist"), NULL, 0);
if (ctx->cfg.root_readme)
site_link("about", "about", NULL, hc(cmd, "about"),
NULL, 0);
html("</td><td class='form'>");
html("<form method='get' action='");
html_attr(cgit_rooturl());
html("'>\n");
html("<input type='text' name='q' size='10' value='");
html_attr(ctx->qry.search);
html("'/>\n");
html("<input type='submit' value='search'/>\n");
html("</form>");
}
html("</td></tr></table>\n");
html("<div class='content'>");
}
void cgit_print_filemode(unsigned short mode)
{
if (S_ISDIR(mode))
html("d");
else if (S_ISLNK(mode))
html("l");
else if (S_ISGITLINK(mode))
html("m");
else
html("-");
html_fileperm(mode >> 6);
html_fileperm(mode >> 3);
html_fileperm(mode);
}
void cgit_print_snapshot_links(const char *repo, const char *head,
const char *hex, int snapshots)
{
const struct cgit_snapshot_format* f;
char *prefix;
char *filename;
unsigned char sha1[20];
if (get_sha1(fmt("refs/tags/%s", hex), sha1) == 0 &&
(hex[0] == 'v' || hex[0] == 'V') && isdigit(hex[1]))
hex++;
prefix = xstrdup(fmt("%s-%s", cgit_repobasename(repo), hex));
for (f = cgit_snapshot_formats; f->suffix; f++) {
if (!(snapshots & f->bit))
continue;
filename = fmt("%s%s", prefix, f->suffix);
cgit_snapshot_link(filename, NULL, NULL, NULL, NULL, filename);
html("<br/>");
}
}