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Introduce html.h
[cgit.git] / ui-shared.c
diff --git a/ui-shared.c b/ui-shared.c
index 3322561f77dc4b00efad598fc884bdc0b64863ea..2eff79d63bee6bd6f55dacc609879f61f59c603a 100644 (file)
--- a/ui-shared.c
+++ b/ui-shared.c
@@ -7,6 +7,7 @@
  */
 
 #include "cgit.h"
  */
 
 #include "cgit.h"
+#include "html.h"
 
 const char cgit_doctype[] =
 "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\"\n"
 
 const char cgit_doctype[] =
 "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\"\n"
@@ -14,9 +15,9 @@ const char cgit_doctype[] =
 
 static char *http_date(time_t t)
 {
 
 static char *http_date(time_t t)
 {
-       static char day[][4] = 
+       static char day[][4] =
                {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
                {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
-       static char month[][4] = 
+       static char month[][4] =
                {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
                 "Jul", "Aug", "Sep", "Oct", "Now", "Dec"};
        struct tm *tm = gmtime(&t);
                {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
                 "Jul", "Aug", "Sep", "Oct", "Now", "Dec"};
        struct tm *tm = gmtime(&t);
@@ -40,66 +41,344 @@ void cgit_print_error(char *msg)
        html("</div>\n");
 }
 
        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)
 {
 char *cgit_repourl(const char *reponame)
 {
-       if (cgit_virtual_root) {
-               return fmt("%s/%s/", cgit_virtual_root, reponame);
+       if (ctx.cfg.virtual_root) {
+               return fmt("%s/%s/", ctx.cfg.virtual_root, reponame);
        } else {
                return fmt("?r=%s", reponame);
        }
 }
 
        } else {
                return fmt("?r=%s", reponame);
        }
 }
 
-char *cgit_pageurl(const char *reponame, const char *pagename, 
-                  const char *query)
+char *cgit_fileurl(const char *reponame, const char *pagename,
+                  const char *filename, const char *query)
 {
 {
-       if (cgit_virtual_root) {
-               return fmt("%s/%s/%s/?%s", cgit_virtual_root, reponame, 
-                          pagename, 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 {
        } else {
-               return fmt("?r=%s&p=%s&%s", reponame, pagename, query);
+               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()
 {
 }
 
 char *cgit_currurl()
 {
-       if (!cgit_virtual_root)
-               return "./cgit.cgi";
-       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);
+       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
        else
-               return fmt("%s/", cgit_virtual_root);
+               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(unsigned long secs)
+void cgit_print_date(time_t secs, char *format)
 {
 {
-       char buf[32];
+       char buf[64];
        struct tm *time;
 
        struct tm *time;
 
+       if (!secs)
+               return;
        time = gmtime(&secs);
        time = gmtime(&secs);
-       strftime(buf, sizeof(buf), "%Y-%m-%d %H:%M:%S", time);
+       strftime(buf, sizeof(buf)-1, format, time);
        html_txt(buf);
        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)
 {
 }
 
 void cgit_print_docstart(char *title, struct cacheitem *item)
 {
-       html("Content-Type: text/html; charset=utf-8\n");
+       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);
        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>\n");
+       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");
        html("<head>\n");
        html("<title>");
        html_txt(title);
        html("</title>\n");
-       htmlf("<meta name='generator' content='cgit v%s'/>\n", cgit_version);
+       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("<link rel='stylesheet' type='text/css' href='");
-       html_attr(cgit_css);
+       html_attr(ctx.cfg.css);
        html("'/>\n");
        html("</head>\n");
        html("<body>\n");
        html("'/>\n");
        html("</head>\n");
        html("<body>\n");
@@ -107,40 +386,201 @@ void cgit_print_docstart(char *title, struct cacheitem *item)
 
 void cgit_print_docend()
 {
 
 void cgit_print_docend()
 {
-       html("</td></tr></table>");
-       html("</body>\n</html>\n");
+       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)
 {
 }
 
 void cgit_print_pageheader(char *title, int show_search)
 {
-       html("<table id='layout'><tr><td id='header'>");
-       htmlf("<a href='%s'>", cgit_logo_link);
-       htmlf("<img id='logo' src='%s'/>\n", cgit_logo);
-       htmlf("</a>");
-       if (show_search) {
-               html("<form method='get' href='");
-               html_attr(cgit_currurl());
-               html("'>");
-               if (!cgit_virtual_root) {
-                       if (cgit_query_repo)
-                               html_hidden("r", cgit_query_repo);
-                       if (cgit_query_page)
-                               html_hidden("p", cgit_query_page);
+       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);
                }
                }
-               if (cgit_query_head)
-                       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);
-               html("<input type='text' name='q' value='");
-               html_attr(cgit_query_search);
-               html("'/></form>");
-       }
-       if (cgit_query_repo)
-               htmlf("<a href='%s'>", cgit_repourl(cgit_query_repo));
-       html_txt(title);
-       if (cgit_query_repo)
-               html("</a>");
-       html("</td></tr><tr><td id='content'>");
+               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");
+}
+
+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);
+}
+
+/* vim:set sw=8: */
A hyperfast web frontend for git repositories written in C.