]> git.cameronkatri.com Git - cgit.git/blobdiff - ui-shared.c
Avoid use of non-reentrant functions
[cgit.git] / ui-shared.c
index 070971f53a5805db13c83a20474a65fdfcec8e24..89c48979586edaa7dc6d7df1aa133f288638b70e 100644 (file)
@@ -11,7 +11,7 @@
 #include "cmd.h"
 #include "html.h"
 
-const char cgit_doctype[] =
+static 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";
 
@@ -46,7 +46,7 @@ void cgit_vprint_error(const char *fmt, va_list ap)
        html("</div>\n");
 }
 
-const char *cgit_httpscheme()
+const char *cgit_httpscheme(void)
 {
        if (ctx.env.https && !strcmp(ctx.env.https, "on"))
                return "https://";
@@ -54,7 +54,7 @@ const char *cgit_httpscheme()
                return "http://";
 }
 
-const char *cgit_hosturl()
+const char *cgit_hosturl(void)
 {
        if (ctx.env.http_host)
                return ctx.env.http_host;
@@ -65,7 +65,18 @@ const char *cgit_hosturl()
        return fmtalloc("%s:%s", ctx.env.server_name, ctx.env.server_port);
 }
 
-const char *cgit_rooturl()
+const char *cgit_currenturl(void)
+{
+       if (!ctx.qry.url)
+               return cgit_rooturl();
+       const char *root = cgit_rooturl();
+       size_t len = strlen(root);
+       if (len && root[len - 1] == '/')
+               return fmtalloc("%s%s", root, ctx.qry.url);
+       return fmtalloc("%s/%s", root, ctx.qry.url);
+}
+
+const char *cgit_rooturl(void)
 {
        if (ctx.cfg.virtual_root)
                return ctx.cfg.virtual_root;
@@ -73,9 +84,9 @@ const char *cgit_rooturl()
                return ctx.cfg.script_name;
 }
 
-const char *cgit_loginurl()
+const char *cgit_loginurl(void)
 {
-       static const char *login_url = 0;
+       static const char *login_url;
        if (!login_url)
                login_url = fmtalloc("%s?p=login", cgit_rooturl());
        return login_url;
@@ -112,7 +123,7 @@ char *cgit_fileurl(const char *reponame, const char *pagename,
 char *cgit_pageurl(const char *reponame, const char *pagename,
                   const char *query)
 {
-       return cgit_fileurl(reponame, pagename, 0, query);
+       return cgit_fileurl(reponame, pagename, NULL, query);
 }
 
 const char *cgit_repobasename(const char *reponame)
@@ -128,7 +139,7 @@ const char *cgit_repobasename(const char *reponame)
        /* strip trailing slashes */
        while (p && rvbuf[p] == '/') rvbuf[p--] = 0;
        /* strip trailing .git */
-       if (p >= 3 && !prefixcmp(&rvbuf[p-3], ".git")) {
+       if (p >= 3 && starts_with(&rvbuf[p-3], ".git")) {
                p -= 3; rvbuf[p--] = 0;
        }
        /* strip more trailing slashes if any */
@@ -140,14 +151,14 @@ const char *cgit_repobasename(const char *reponame)
        return rvbuf;
 }
 
-static void site_url(const char *page, const char *search, const char *sort, int ofs)
+static void site_url(const char *page, const char *search, const char *sort, int ofs, int always_root)
 {
        char *delim = "?";
 
-       if (ctx.cfg.virtual_root)
-               html_attr(ctx.cfg.virtual_root);
+       if (always_root || page)
+               html_attr(cgit_rooturl());
        else
-               html_url_path(ctx.cfg.script_name);
+               html_attr(cgit_currenturl());
 
        if (page) {
                htmlf("?p=%s", page);
@@ -172,7 +183,7 @@ static void site_url(const char *page, const char *search, const char *sort, int
 }
 
 static void site_link(const char *page, const char *name, const char *title,
-                     const char *class, const char *search, const char *sort, int ofs)
+                     const char *class, const char *search, const char *sort, int ofs, int always_root)
 {
        html("<a");
        if (title) {
@@ -186,16 +197,16 @@ static void site_link(const char *page, const char *name, const char *title,
                html("'");
        }
        html(" href='");
-       site_url(page, search, sort, ofs);
+       site_url(page, search, sort, ofs, always_root);
        html("'>");
        html_txt(name);
        html("</a>");
 }
 
 void cgit_index_link(const char *name, const char *title, const char *class,
-                    const char *pattern, const char *sort, int ofs)
+                    const char *pattern, const char *sort, int ofs, int always_root)
 {
-       site_link(NULL, name, title, class, pattern, sort, ofs);
+       site_link(NULL, name, title, class, pattern, sort, ofs, always_root);
 }
 
 static char *repolink(const char *title, const char *class, const char *page,
@@ -273,9 +284,9 @@ void cgit_summary_link(const char *name, const char *title, const char *class,
 }
 
 void cgit_tag_link(const char *name, const char *title, const char *class,
-                  const char *head, const char *rev)
+                  const char *tag)
 {
-       reporevlink("tag", name, title, class, head, rev, NULL);
+       reporevlink("tag", name, title, class, tag, NULL, NULL);
 }
 
 void cgit_tree_link(const char *name, const char *title, const char *class,
@@ -292,7 +303,8 @@ void cgit_plain_link(const char *name, const char *title, const char *class,
 
 void cgit_log_link(const char *name, const char *title, const char *class,
                   const char *head, const char *rev, const char *path,
-                  int ofs, const char *grep, const char *pattern, int showmsg)
+                  int ofs, const char *grep, const char *pattern, int showmsg,
+                  int follow)
 {
        char *delim;
 
@@ -321,6 +333,11 @@ void cgit_log_link(const char *name, const char *title, const char *class,
        if (showmsg) {
                html(delim);
                html("showmsg=1");
+               delim = "&amp;";
+       }
+       if (follow) {
+               html(delim);
+               html("follow=1");
        }
        html("'>");
        html_txt(name);
@@ -328,8 +345,7 @@ void cgit_log_link(const char *name, const char *title, const char *class,
 }
 
 void cgit_commit_link(char *name, const char *title, const char *class,
-                     const char *head, const char *rev, const char *path,
-                     int toggle_ssdiff)
+                     const char *head, const char *rev, const char *path)
 {
        if (strlen(name) > ctx.cfg.max_msg_len && ctx.cfg.max_msg_len >= 15) {
                name[ctx.cfg.max_msg_len] = '\0';
@@ -347,9 +363,9 @@ void cgit_commit_link(char *name, const char *title, const char *class,
                html_url_arg(rev);
                delim = "&amp;";
        }
-       if ((ctx.qry.ssdiff && !toggle_ssdiff) || (!ctx.qry.ssdiff && toggle_ssdiff)) {
+       if (ctx.qry.difftype) {
                html(delim);
-               html("ss=1");
+               htmlf("dt=%d", ctx.qry.difftype);
                delim = "&amp;";
        }
        if (ctx.qry.context > 0 && ctx.qry.context != 3) {
@@ -363,6 +379,10 @@ void cgit_commit_link(char *name, const char *title, const char *class,
                html("ignorews=1");
                delim = "&amp;";
        }
+       if (ctx.qry.follow) {
+               html(delim);
+               html("follow=1");
+       }
        html("'>");
        if (name[0] != '\0')
                html_txt(name);
@@ -386,7 +406,7 @@ void cgit_snapshot_link(const char *name, const char *title, const char *class,
 
 void cgit_diff_link(const char *name, const char *title, const char *class,
                    const char *head, const char *new_rev, const char *old_rev,
-                   const char *path, int toggle_ssdiff)
+                   const char *path)
 {
        char *delim;
 
@@ -403,9 +423,9 @@ void cgit_diff_link(const char *name, const char *title, const char *class,
                html_url_arg(old_rev);
                delim = "&amp;";
        }
-       if ((ctx.qry.ssdiff && !toggle_ssdiff) || (!ctx.qry.ssdiff && toggle_ssdiff)) {
+       if (ctx.qry.difftype) {
                html(delim);
-               html("ss=1");
+               htmlf("dt=%d", ctx.qry.difftype);
                delim = "&amp;";
        }
        if (ctx.qry.context > 0 && ctx.qry.context != 3) {
@@ -419,6 +439,10 @@ void cgit_diff_link(const char *name, const char *title, const char *class,
                html("ignorews=1");
                delim = "&amp;";
        }
+       if (ctx.qry.follow) {
+               html(delim);
+               html("follow=1");
+       }
        html("'>");
        html_txt(name);
        html("</a>");
@@ -440,12 +464,12 @@ static void cgit_self_link(char *name, const char *title, const char *class)
 {
        if (!strcmp(ctx.qry.page, "repolist"))
                cgit_index_link(name, title, class, ctx.qry.search, ctx.qry.sort,
-                               ctx.qry.ofs);
+                               ctx.qry.ofs, 1);
        else if (!strcmp(ctx.qry.page, "summary"))
                cgit_summary_link(name, title, class, ctx.qry.head);
        else if (!strcmp(ctx.qry.page, "tag"))
-               cgit_tag_link(name, title, class, ctx.qry.head,
-                             ctx.qry.has_sha1 ? ctx.qry.sha1 : NULL);
+               cgit_tag_link(name, title, class, ctx.qry.has_sha1 ?
+                              ctx.qry.sha1 : ctx.qry.head);
        else if (!strcmp(ctx.qry.page, "tree"))
                cgit_tree_link(name, title, class, ctx.qry.head,
                               ctx.qry.has_sha1 ? ctx.qry.sha1 : NULL,
@@ -459,11 +483,11 @@ static void cgit_self_link(char *name, const char *title, const char *class)
                              ctx.qry.has_sha1 ? ctx.qry.sha1 : NULL,
                              ctx.qry.path, ctx.qry.ofs,
                              ctx.qry.grep, ctx.qry.search,
-                             ctx.qry.showmsg);
+                             ctx.qry.showmsg, ctx.qry.follow);
        else if (!strcmp(ctx.qry.page, "commit"))
                cgit_commit_link(name, title, class, ctx.qry.head,
                                 ctx.qry.has_sha1 ? ctx.qry.sha1 : NULL,
-                                ctx.qry.path, 0);
+                                ctx.qry.path);
        else if (!strcmp(ctx.qry.page, "patch"))
                cgit_patch_link(name, title, class, ctx.qry.head,
                                ctx.qry.has_sha1 ? ctx.qry.sha1 : NULL,
@@ -479,7 +503,7 @@ static void cgit_self_link(char *name, const char *title, const char *class)
        else if (!strcmp(ctx.qry.page, "diff"))
                cgit_diff_link(name, title, class, ctx.qry.head,
                               ctx.qry.sha1, ctx.qry.sha2,
-                              ctx.qry.path, 0);
+                              ctx.qry.path);
        else if (!strcmp(ctx.qry.page, "stats"))
                cgit_stats_link(name, title, class, ctx.qry.head,
                                ctx.qry.path);
@@ -503,7 +527,7 @@ void cgit_object_link(struct object *obj)
        shortrev[10] = '\0';
        if (obj->type == OBJ_COMMIT) {
                cgit_commit_link(fmt("commit %s...", shortrev), NULL, NULL,
-                                ctx.qry.head, fullrev, NULL, 0);
+                                ctx.qry.head, fullrev, NULL);
                return;
        } else if (obj->type == OBJ_TREE)
                page = "tree";
@@ -549,43 +573,63 @@ void cgit_submodule_link(const char *class, char *path, const char *rev)
                        item = lookup_path(list, path);
                }
        }
-       html("<a ");
-       if (class)
-               htmlf("class='%s' ", class);
-       html("href='");
-       if (item) {
-               html_attrf(item->util, rev);
-       } else if (ctx.repo->module_link) {
-               dir = strrchr(path, '/');
-               if (dir)
-                       dir++;
-               else
-                       dir = path;
-               html_attrf(ctx.repo->module_link, dir, rev);
+       if (item || ctx.repo->module_link) {
+               html("<a ");
+               if (class)
+                       htmlf("class='%s' ", class);
+               html("href='");
+               if (item) {
+                       html_attrf(item->util, rev);
+               } else {
+                       dir = strrchr(path, '/');
+                       if (dir)
+                               dir++;
+                       else
+                               dir = path;
+                       html_attrf(ctx.repo->module_link, dir, rev);
+               }
+               html("'>");
+               html_txt(path);
+               html("</a>");
        } else {
-               html("#");
+               html("<span");
+               if (class)
+                       htmlf(" class='%s'", class);
+               html(">");
+               html_txt(path);
+               html("</span>");
        }
-       html("'>");
-       html_txt(path);
-       html("</a>");
        html_txtf(" @ %.7s", rev);
        if (item && tail)
                path[len - 1] = tail;
 }
 
-void cgit_print_date(time_t secs, const char *format, int local_time)
+static const char *fmt_date(time_t secs, const char *format, int local_time)
 {
-       char buf[64];
+       static char buf[64];
        struct tm *time;
 
        if (!secs)
-               return;
+               return "";
        if (local_time)
                time = localtime(&secs);
        else
                time = gmtime(&secs);
        strftime(buf, sizeof(buf)-1, format, time);
-       html_txt(buf);
+       return buf;
+}
+
+void cgit_print_date(time_t secs, const char *format, int local_time)
+{
+       html_txt(fmt_date(secs, format, local_time));
+}
+
+static void print_rel_date(time_t t, double value,
+       const char *class, const char *suffix)
+{
+       htmlf("<span class='%s' title='", class);
+       html_attr(fmt_date(t, FMT_LONGDATE, ctx.cfg.local_time));
+       htmlf("'>%.0f %s</span>", value, suffix);
 }
 
 void cgit_print_age(time_t t, time_t max_relative, const char *format)
@@ -596,39 +640,39 @@ void cgit_print_age(time_t t, time_t max_relative, const char *format)
                return;
        time(&now);
        secs = now - t;
+       if (secs < 0)
+               secs = 0;
 
        if (secs > max_relative && max_relative >= 0) {
+               html("<span title='");
+               html_attr(fmt_date(t, FMT_LONGDATE, ctx.cfg.local_time));
+               html("'>");
                cgit_print_date(t, format, ctx.cfg.local_time);
+               html("</span>");
                return;
        }
 
        if (secs < TM_HOUR * 2) {
-               htmlf("<span class='age-mins'>%.0f min.</span>",
-                     secs * 1.0 / TM_MIN);
+               print_rel_date(t, secs * 1.0 / TM_MIN, "age-mins", "min.");
                return;
        }
        if (secs < TM_DAY * 2) {
-               htmlf("<span class='age-hours'>%.0f hours</span>",
-                     secs * 1.0 / TM_HOUR);
+               print_rel_date(t, secs * 1.0 / TM_HOUR, "age-hours", "hours");
                return;
        }
        if (secs < TM_WEEK * 2) {
-               htmlf("<span class='age-days'>%.0f days</span>",
-                     secs * 1.0 / TM_DAY);
+               print_rel_date(t, secs * 1.0 / TM_DAY, "age-days", "days");
                return;
        }
        if (secs < TM_MONTH * 2) {
-               htmlf("<span class='age-weeks'>%.0f weeks</span>",
-                     secs * 1.0 / TM_WEEK);
+               print_rel_date(t, secs * 1.0 / TM_WEEK, "age-weeks", "weeks");
                return;
        }
        if (secs < TM_YEAR * 2) {
-               htmlf("<span class='age-months'>%.0f months</span>",
-                     secs * 1.0 / TM_MONTH);
+               print_rel_date(t, secs * 1.0 / TM_MONTH, "age-months", "months");
                return;
        }
-       htmlf("<span class='age-years'>%.0f years</span>",
-             secs * 1.0 / TM_YEAR);
+       print_rel_date(t, secs * 1.0 / TM_YEAR, "age-years", "years");
 }
 
 void cgit_print_http_headers(void)
@@ -659,6 +703,22 @@ void cgit_print_http_headers(void)
                exit(0);
 }
 
+void cgit_redirect(const char *url, bool permanent)
+{
+       htmlf("Status: %d %s\n", permanent ? 301 : 302, permanent ? "Moved" : "Found");
+       htmlf("Location: %s\n\n", url);
+       exit(0);
+}
+
+static void print_rel_vcs_link(const char *url)
+{
+       html("<link rel='vcs-git' href='");
+       html_attr(url);
+       html("' title='");
+       html_attr(ctx.repo->name);
+       html(" Git repository'/>\n");
+}
+
 void cgit_print_docstart(void)
 {
        if (ctx.cfg.embedded) {
@@ -697,6 +757,8 @@ void cgit_print_docstart(void)
                html("' type='application/atom+xml'/>\n");
                strbuf_release(&sb);
        }
+       if (ctx.repo)
+               cgit_add_clone_urls(print_rel_vcs_link);
        if (ctx.cfg.head_include)
                html_include(ctx.cfg.head_include);
        html("</head>\n");
@@ -705,7 +767,7 @@ void cgit_print_docstart(void)
                html_include(ctx.cfg.header);
 }
 
-void cgit_print_docend()
+void cgit_print_docend(void)
 {
        html("</div> <!-- class=content -->\n");
        if (ctx.cfg.embedded) {
@@ -717,7 +779,7 @@ void cgit_print_docend()
        if (ctx.cfg.footer)
                html_include(ctx.cfg.footer);
        else {
-               htmlf("<div class='footer'>generated  by cgit %s at ",
+               htmlf("<div class='footer'>generated by <a href='http://git.zx2c4.com/cgit/about/'>cgit %s</a> at ",
                        cgit_version);
                cgit_print_date(time(NULL), FMT_LONGDATE, ctx.cfg.local_time);
                html("</div>\n");
@@ -726,7 +788,59 @@ void cgit_print_docend()
        html("</body>\n</html>\n");
 }
 
-static int print_branch_option(const char *refname, const unsigned char *sha1,
+void cgit_print_error_page(int code, const char *msg, const char *fmt, ...)
+{
+       va_list ap;
+       ctx.page.expires = ctx.cfg.cache_dynamic_ttl;
+       ctx.page.status = code;
+       ctx.page.statusmsg = msg;
+       cgit_print_http_headers();
+       cgit_print_docstart();
+       cgit_print_pageheader();
+       va_start(ap, fmt);
+       cgit_vprint_error(fmt, ap);
+       va_end(ap);
+       cgit_print_docend();
+}
+
+void cgit_print_layout_start(void)
+{
+       cgit_print_http_headers();
+       cgit_print_docstart();
+       cgit_print_pageheader();
+}
+
+void cgit_print_layout_end(void)
+{
+       cgit_print_docend();
+}
+
+static void add_clone_urls(void (*fn)(const char *), char *txt, char *suffix)
+{
+       struct strbuf **url_list = strbuf_split_str(txt, ' ', 0);
+       int i;
+
+       for (i = 0; url_list[i]; i++) {
+               strbuf_rtrim(url_list[i]);
+               if (url_list[i]->len == 0)
+                       continue;
+               if (suffix && *suffix)
+                       strbuf_addf(url_list[i], "/%s", suffix);
+               fn(url_list[i]->buf);
+       }
+
+       strbuf_list_free(url_list);
+}
+
+void cgit_add_clone_urls(void (*fn)(const char *))
+{
+       if (ctx.repo->clone_url)
+               add_clone_urls(fn, expand_macros(ctx.repo->clone_url), NULL);
+       else if (ctx.cfg.clone_prefix)
+               add_clone_urls(fn, ctx.cfg.clone_prefix, ctx.repo->url);
+}
+
+static int print_branch_option(const char *refname, const struct object_id *oid,
                               int flags, void *cb_data)
 {
        char *name = (char *)refname;
@@ -820,7 +934,7 @@ static void print_header(void)
 
        html("<td class='main'>");
        if (ctx.repo) {
-               cgit_index_link("index", NULL, NULL, NULL, NULL, 0);
+               cgit_index_link("index", NULL, NULL, NULL, NULL, 0, 1);
                html(" : ");
                cgit_summary_link(ctx.repo->name, ctx.repo->name, NULL, NULL);
                if (ctx.env.authenticated) {
@@ -829,6 +943,8 @@ static void print_header(void)
                        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);
+                       if (ctx.repo->enable_remote_branches)
+                               for_each_remote_ref(print_branch_option, ctx.qry.head);
                        html("</select> ");
                        html("<input type='submit' name='' value='switch'/>");
                        html("</form>");
@@ -859,26 +975,26 @@ void cgit_print_pageheader(void)
 
        html("<table class='tabs'><tr><td>\n");
        if (ctx.env.authenticated && ctx.repo) {
+               if (ctx.repo->readme.nr)
+                       reporevlink("about", "about", NULL,
+                                   hc("about"), ctx.qry.head, NULL,
+                                   NULL);
                cgit_summary_link("summary", NULL, hc("summary"),
                                  ctx.qry.head);
                cgit_refs_link("refs", NULL, hc("refs"), ctx.qry.head,
                               ctx.qry.sha1, NULL);
                cgit_log_link("log", NULL, hc("log"), ctx.qry.head,
                              NULL, ctx.qry.vpath, 0, NULL, NULL,
-                             ctx.qry.showmsg);
+                             ctx.qry.showmsg, ctx.qry.follow);
                cgit_tree_link("tree", NULL, hc("tree"), ctx.qry.head,
                               ctx.qry.sha1, ctx.qry.vpath);
                cgit_commit_link("commit", NULL, hc("commit"),
-                                ctx.qry.head, ctx.qry.sha1, ctx.qry.vpath, 0);
+                                ctx.qry.head, ctx.qry.sha1, ctx.qry.vpath);
                cgit_diff_link("diff", NULL, hc("diff"), ctx.qry.head,
-                              ctx.qry.sha1, ctx.qry.sha2, ctx.qry.vpath, 0);
+                              ctx.qry.sha1, ctx.qry.sha2, ctx.qry.vpath);
                if (ctx.repo->max_stats)
                        cgit_stats_link("stats", NULL, hc("stats"),
                                        ctx.qry.head, ctx.qry.vpath);
-               if (ctx.repo->readme.nr)
-                       reporevlink("about", "about", NULL,
-                                   hc("about"), ctx.qry.head, NULL,
-                                   NULL);
                html("</td><td class='form'>");
                html("<form class='right' method='get' action='");
                if (ctx.cfg.virtual_root)
@@ -898,13 +1014,13 @@ void cgit_print_pageheader(void)
                html("<input type='submit' value='search'/>\n");
                html("</form>\n");
        } else if (ctx.env.authenticated) {
-               site_link(NULL, "index", NULL, hc("repolist"), NULL, NULL, 0);
+               site_link(NULL, "index", NULL, hc("repolist"), NULL, NULL, 0, 1);
                if (ctx.cfg.root_readme)
                        site_link("about", "about", NULL, hc("about"),
-                                 NULL, NULL, 0);
+                                 NULL, NULL, 0, 1);
                html("</td><td class='form'>");
                html("<form method='get' action='");
-               html_attr(cgit_rooturl());
+               html_attr(cgit_currenturl());
                html("'>\n");
                html("<input type='text' name='q' size='10' value='");
                html_attr(ctx.qry.search);
@@ -917,6 +1033,14 @@ void cgit_print_pageheader(void)
                html("<div class='path'>");
                html("path: ");
                cgit_print_path_crumbs(ctx.qry.vpath);
+               if (ctx.cfg.enable_follow_links && !strcmp(ctx.qry.page, "log")) {
+                       html(" (");
+                       ctx.qry.follow = !ctx.qry.follow;
+                       cgit_self_link(ctx.qry.follow ? "follow" : "unfollow",
+                                       NULL, NULL);
+                       ctx.qry.follow = !ctx.qry.follow;
+                       html(")");
+               }
                html("</div>");
        }
        html("<div class='content'>");