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/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 4; tab-width: 4 -*- */
/*
* anjuta
* Copyright (C) James Liggett 2008 <jrliggett@cox.net>
*
* anjuta is free software.
*
* You may redistribute it and/or modify it under the terms of the
* GNU General Public License, as published by the Free Software
* Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* anjuta is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with anjuta. If not, write to:
* The Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301, USA.
*/
#include "git-ref-command.h"
#define BRANCH_REF_REGEX "([[:xdigit:]]{40}) refs/heads/(.*)"
#define TAG_REF_REGEX "([[:xdigit:]]{40}) refs/tags/(.*)"
#define REMOTE_REF_REGEX "([[:xdigit:]]{40}) refs/remotes/(.*)"
struct _GitRefCommandPriv
{
GRegex *branch_ref_regex;
GRegex *tag_ref_regex;
GRegex *remote_ref_regex;
GHashTable *refs;
};
G_DEFINE_TYPE (GitRefCommand, git_ref_command, GIT_TYPE_COMMAND);
static void
free_refs_list (GList *refs)
{
GList *current_ref;
current_ref = refs;
while (current_ref)
{
g_object_unref (current_ref->data);
current_ref = g_list_next (current_ref);
}
g_list_free (refs);
}
static void
git_ref_command_init (GitRefCommand *self)
{
self->priv = g_new0 (GitRefCommandPriv, 1);
self->priv->branch_ref_regex = g_regex_new (BRANCH_REF_REGEX, 0, 0, NULL);
self->priv->tag_ref_regex = g_regex_new (TAG_REF_REGEX, 0, 0, NULL);
self->priv->remote_ref_regex = g_regex_new (REMOTE_REF_REGEX, 0, 0, NULL);
self->priv->refs = g_hash_table_new_full (g_str_hash, g_str_equal,
NULL,
(GDestroyNotify) free_refs_list);
}
static void
git_ref_command_finalize (GObject *object)
{
GitRefCommand *self;
self = GIT_REF_COMMAND (object);
g_regex_unref (self->priv->branch_ref_regex);
g_regex_unref (self->priv->tag_ref_regex);
g_regex_unref (self->priv->remote_ref_regex);
g_hash_table_unref (self->priv->refs);
g_free (self->priv);
G_OBJECT_CLASS (git_ref_command_parent_class)->finalize (object);
}
static guint
git_ref_command_run (AnjutaCommand *command)
{
git_command_add_arg (GIT_COMMAND (command), "show-ref");
git_command_add_arg (GIT_COMMAND (command), "--dereference");
return 0;
}
static void
git_ref_command_insert_ref (GitRefCommand *self, const gchar *sha, GitRef *ref)
{
GList *ref_list;
gchar *name;
gchar *old_sha;
name = git_ref_get_name (ref);
ref_list = g_hash_table_lookup (self->priv->refs, sha);
ref_list = g_list_append (ref_list, ref);
if (g_hash_table_lookup_extended (self->priv->refs, sha,
(gpointer) &old_sha, NULL))
{
/* Change the list head for this SHA without destroying it */
g_hash_table_steal (self->priv->refs, sha);
g_free (old_sha);
}
g_hash_table_insert (self->priv->refs, g_strdup (sha), ref_list);
g_free (name);
}
static void
git_ref_command_handle_output (GitCommand *git_command, const gchar *output)
{
GitRefCommand *self;
GMatchInfo *branch_match_info;
GMatchInfo *tag_match_info;
GMatchInfo *remote_match_info;
gchar *sha;
gchar *name;
GitRef *ref;
self = GIT_REF_COMMAND (git_command);
branch_match_info = NULL;
tag_match_info = NULL;
remote_match_info = NULL;
if (g_regex_match (self->priv->branch_ref_regex, output, 0,
&branch_match_info))
{
sha = g_match_info_fetch (branch_match_info, 1);
name = g_match_info_fetch (branch_match_info, 2);
ref = git_ref_new (name, GIT_REF_TYPE_BRANCH);
git_ref_command_insert_ref (self, sha, ref);
g_free (sha);
g_free (name);
}
else if (g_regex_match (self->priv->tag_ref_regex, output, 0,
&tag_match_info))
{
sha = g_match_info_fetch (tag_match_info, 1);
name = g_match_info_fetch (tag_match_info, 2);
if (g_str_has_suffix (name, "^{}"))
(g_strrstr (name, "^{}")) [0] = '\0';
ref = git_ref_new (name, GIT_REF_TYPE_TAG);
git_ref_command_insert_ref (self, sha, ref);
g_free (sha);
g_free (name);
}
else if (g_regex_match (self->priv->remote_ref_regex, output, 0,
&remote_match_info))
{
sha = g_match_info_fetch (remote_match_info, 1);
name = g_match_info_fetch (remote_match_info, 2);
ref = git_ref_new (name, GIT_REF_TYPE_REMOTE);
git_ref_command_insert_ref (self, sha, ref);
g_free (sha);
g_free (name);
}
if (branch_match_info)
g_match_info_free (branch_match_info);
if (tag_match_info)
g_match_info_free (tag_match_info);
if (remote_match_info)
g_match_info_free (remote_match_info);
}
static void
git_ref_command_class_init (GitRefCommandClass *klass)
{
GObjectClass* object_class = G_OBJECT_CLASS (klass);
GitCommandClass* parent_class = GIT_COMMAND_CLASS (klass);
AnjutaCommandClass *command_class = ANJUTA_COMMAND_CLASS (klass);
object_class->finalize = git_ref_command_finalize;
parent_class->output_handler = git_ref_command_handle_output;
command_class->run = git_ref_command_run;
}
GitRefCommand *
git_ref_command_new (const gchar *working_directory)
{
return g_object_new (GIT_TYPE_REF_COMMAND,
"working-directory", working_directory,
"single-line-output", TRUE,
NULL);
}
GHashTable *
git_ref_command_get_refs (GitRefCommand *self)
{
return g_hash_table_ref (self->priv->refs);
}
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