www.pipapo.org Git - webgit/blob - src/branch.c

   1 /*
   2     cehtehs git web frontend
   3
   4   Copyright (C)
   5     2007, 2008,         Christian Thaeter <ct@pipapo.org>
   6
   7   This program is free software; you can redistribute it and/or
   8   modify it under the terms of the GNU General Public License as
   9   published by the Free Software Foundation; either version 2 of the
  10   License, or (at your option) any later version.
  11
  12   This program is distributed in the hope that it will be useful,
  13   but WITHOUT ANY WARRANTY; without even the implied warranty of
  14   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15   GNU General Public License for more details.
  16
  17   You should have received a copy of the GNU General Public License
  18   along with this program; if not, write to the Free Software
  19   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  20 */
  21
  22 #include "branch.h"
  23 #include "object.h"
  24 #include "age.h"
  25 #include "log.h"
  26
  27 #include <cwa.h>
  28
  29 #define SHA1_HEADER <openssl/sha.h>
  30 #include "git/cache.h"
  31 #include "git/commit.h"
  32 #include "git/refs.h"
  33
  34 struct branch_context
  35 {
  36   struct webgit_repo_info* repo;
  37   Html table;
  38   Html cont;
  39   const char* start;
  40   int count;
  41 };
  42
  43 Html
  44 webgit_branch_link (struct webgit_repo_info* repo, const char* branch, int count, Html text)
  45 {
  46   return html (
  47                html_tag ("a",
  48                          html_attr ("href", html(
  49                                                  html_fmt ("%s?repo=%s&action=branch",
  50                                                            repo->query->request->script_name,
  51                                                            repo->name),
  52                                                  branch ? html_fmt("&ref=%s", branch) : html (),
  53                                                  count > 0 ? html_fmt("&count=%d",
  54                                                                       count) : html ()
  55                                                  )
  56                                     )
  57                          ),
  58                text
  59                );
  60
  61 }
  62
  63 static int
  64 show_branch_ref (const char *refname, const unsigned char *sha1, int flags, void *data)
  65 {
  66   (void) flags;
  67
  68   struct branch_context* ctx = (struct branch_context*) data;
  69   struct webgit_repo_info* repo = ctx->repo;
  70
  71   if (ctx->start)
  72     {
  73       if (!strcmp (ctx->start, refname))
  74         ctx->start = NULL;
  75       else
  76         return 0;
  77     }
  78
  79   if (!ctx->count--)
  80     {
  81       /* displayed query->count lines, finish */
  82       html_list_append (ctx->cont,
  83                         webgit_branch_link (
  84                                             repo, refname,
  85                                             repo->query->count,
  86                                             html ("More..."))
  87                         );
  88       return 1;
  89     }
  90
  91   struct commit* commit = lookup_commit_reference (sha1);
  92
  93   unsigned long date =
  94     webgit_object_commit_committer_date_parse (commit, NULL);
  95
  96   html_list_append (ctx->table,
  97                     html (
  98                           html_tag ("tr"),
  99                           html (
 100                                 html_tag ("td"),
 101                                 webgit_log_link (repo->query,
 102                                                  repo->name,
 103                                                  refname,
 104                                                  NULL, 0,
 105                                                  repo->query->count,
 106                                                  html ((char*)refname)
 107                                                  )
 108                                 ),
 109                           html (
 110                                 html_tag ("td"),
 111                                 webgit_object_link (repo->query,
 112                                                     repo->name, strlen(repo->name),
 113                                                     sha1_to_hex (sha1), 40,
 114                                                     NULL,
 115                                                     NULL,
 116                                                     webgit_pretty_age (repo->query->now - date))
 117                                 ),
 118                           html (
 119                                 html_tag ("td"),
 120                                 webgit_email_link (
 121                                                    webgit_object_commit_committer_name_parse (commit),
 122                                                    webgit_object_commit_committer_email_parse (commit)
 123                                                    )
 124                                 ),
 125                           html (
 126                                 html_tag ("td"),
 127                                 webgit_object_link (repo->query,
 128                                                     repo->name, strlen(repo->name),
 129                                                     webgit_object_commit_tree_parse (commit), 40,
 130                                                     NULL,
 131                                                     NULL,
 132                                                     html ("Tree")
 133                                                     ),
 134                                 html (" Snapshot")
 135                                 )
 136                           )
 137                     );
 138
 139   free(commit->buffer);
 140   commit->buffer = NULL;
 141   free_commit_list(commit->parents);
 142   commit->parents = NULL;
 143
 144   return 0;
 145 }
 146
 147
 148 Html
 149 webgit_branch_table (struct webgit_repo_info* repo, const char* head, int count)
 150 {
 151   struct branch_context ctx;
 152   ctx.repo = repo;
 153   ctx.table = html_list ();
 154   ctx.cont = html_list ();
 155   ctx.count = count;
 156   ctx.start = head;
 157
 158   for_each_branch_ref (show_branch_ref, &ctx);
 159
 160   return html (html ( html_tag ("table"), ctx.table), ctx.cont);
 161 }