+
+char *cgit_hosturl()
+{
+ char *host, *port;
+
+ host = getenv("HTTP_HOST");
+ if (host) {
+ host = xstrdup(host);
+ } else {
+ host = getenv("SERVER_NAME");
+ if (!host)
+ return NULL;
+ port = getenv("SERVER_PORT");
+ if (port && atoi(port) != 80)
+ host = xstrdup(fmt("%s:%d", host, atoi(port)));
+ else
+ host = xstrdup(host);
+ }
+ return host;
+}
+
+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_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 = "&";
+ }
+ if (head && strcmp(head, ctx.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, 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_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)
+{
+ 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 = "&";
+ }
+ 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, 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)