[nautilus-actions] Implement is_candidate_for_basenames() function

[Pierre Wieser <pwieser src gnome org>]

commit ec1c3afa348ac483f0813e4b12e3d81a4dcc6c1b
Author: Pierre Wieser <pwieser trychlos org>
Date:   Fri Jul 30 04:08:52 2010 +0200

    Implement is_candidate_for_basenames() function

 ChangeLog                   |    7 +++++
 TODO                        |    2 -
 src/core/na-icontext.c      |   54 ++++++++++++++++++++++++++++++++++++++++--
 src/core/na-selected-info.c |   25 ++++++++++++++++++++
 src/core/na-selected-info.h |    1 +
 5 files changed, 84 insertions(+), 5 deletions(-)
---
diff --git a/ChangeLog b/ChangeLog
index fc619ee..f2a8a72 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,12 @@
 2010-07-30 Pierre Wieser <pwieser trychlos org>
 
+	* src/core/na-icontext.c (is_candidate_for_basenames):
+	Implement the function.
+
+	* src/core/na-selected-info.c:
+	* src/core/na-selected-info.h (na_selected_info_get_basename):
+	New function.
+
 	* configure.ac:	Add a dependancy on libgtop.
 
 	* src/core/na-icontext.c (is_candidate_for_show_if_running):
diff --git a/TODO b/TODO
index 6190d12..15e3e3b 100644
--- a/TODO
+++ b/TODO
@@ -496,8 +496,6 @@ Parameter 	Description
 - 2010-07-27: enhancement: while editing a new filter, making it duplicate, try to keep editing
   instead of terminating the edition and letting the old value
 
-- 2010-07-30: TODO: is_candidate_for_basenames
-
 - 2010-07-30: TODO: is_candidate_for_selection_count
 
 - 2010-07-30: TODO: is_candidate_for_schemes
diff --git a/src/core/na-icontext.c b/src/core/na-icontext.c
index 64d5a7f..2e32515 100644
--- a/src/core/na-icontext.c
+++ b/src/core/na-icontext.c
@@ -650,7 +650,7 @@ is_candidate_for_mimetypes( const NAIContext *object, guint target, GList *files
 				count_positive += 1;
 			}
 			gchar *imgroup, *imsubgroup;
-			split_mimetype( imtype, &imgroup, &imsubgroup );
+			split_mimetype( positive ? imtype : imtype+1, &imgroup, &imsubgroup );
 
 			for( it = files ; it && ok ; it = it->next ){
 				gchar *ftype = na_selected_info_get_mime_type( NA_SELECTED_INFO( it->data ));
@@ -733,10 +733,58 @@ is_candidate_for_basenames( const NAIContext *object, guint target, GList *files
 	static const gchar *thisfn = "na_icontext_is_candidate_for_basenames";
 	gboolean ok = TRUE;
 	GSList *basenames = na_object_get_basenames( object );
+	GSList *ib;
+	gboolean positive;
+	guint count_positive = 0;
+	guint count_compatible = 0;
+	gchar *pattern, *bname, *bname_utf8;
+	GList *it;
+	GPatternSpec *pattern_spec;
+	gboolean match;
 
 	if( basenames ){
-		gboolean matchcase = na_object_get_matchcase( object );
-		matchcase = FALSE;
+		if( strcmp( basenames->data, "*" ) != 0 || g_slist_length( basenames ) > 1 ){
+			gboolean matchcase = na_object_get_matchcase( object );
+
+			for( ib = basenames ; ib && ok ; ib = ib->next ){
+				pattern = matchcase ?
+						g_strdup(( gchar * ) ib->data ) :
+						g_ascii_strdown(( gchar * ) ib->data, strlen(( gchar * ) ib->data ));
+
+				positive = is_positive_assertion( pattern );
+				if( positive ){
+					count_positive += 1;
+				}
+
+				pattern_spec = g_pattern_spec_new( positive ? pattern : pattern+1 );
+
+				for( it = files ; it && ok ; it = it->next ){
+					bname = na_selected_info_get_basename( NA_SELECTED_INFO( it->data ));
+					bname_utf8 = g_filename_to_utf8( bname, -1, NULL, NULL, NULL );
+					match = g_pattern_match_string( pattern_spec, bname_utf8 );
+					g_free( bname_utf8 );
+					g_free( bname );
+
+					g_debug( "%s: pattern=%s, positive=%s, match=%s", thisfn, pattern, positive ? "True":"False", match ? "True":"False" );
+					if( positive ){
+						if( match ){
+							count_compatible += 1;
+						}
+					} else {
+						if( match ){
+							ok = FALSE;
+							break;
+						}
+					}
+				}
+
+				g_free( pattern );
+			}
+		}
+
+		if( count_positive > 0 && count_compatible == 0 ){
+			ok = FALSE;
+		}
 
 		if( !ok ){
 			gchar *basenames_str = na_core_utils_slist_to_text( basenames );
diff --git a/src/core/na-selected-info.c b/src/core/na-selected-info.c
index 5e6dec3..447c297 100644
--- a/src/core/na-selected-info.c
+++ b/src/core/na-selected-info.c
@@ -286,6 +286,31 @@ na_selected_info_get_location( const NASelectedInfo *nsi )
 }
 
 /**
+ * na_selected_info_get_basename:
+ * @nsi: this #NASelectedInfo object.
+ *
+ * Returns: the basename of the file associated with this
+ * #NASelectedInfo object, as a newly allocated string which
+ * must be g_free() by the caller.
+ */
+gchar *
+na_selected_info_get_basename( const NASelectedInfo *nsi )
+{
+	gchar *basename;
+
+	g_return_val_if_fail( NA_IS_SELECTED_INFO( nsi ), NULL );
+
+	basename = NULL;
+
+	if( !nsi->private->dispose_has_run ){
+
+		basename = g_strdup( g_path_get_basename( nsi->private->vfs->path ));
+	}
+
+	return( basename );
+}
+
+/**
  * na_selected_info_get_mime_type:
  * @nsi: this #NASelectedInfo object.
  *
diff --git a/src/core/na-selected-info.h b/src/core/na-selected-info.h
index cd647d3..f8db094 100644
--- a/src/core/na-selected-info.h
+++ b/src/core/na-selected-info.h
@@ -80,6 +80,7 @@ GList          *na_selected_info_copy_list         ( GList *list );
 void            na_selected_info_free_list         ( GList *list );
 
 GFile          *na_selected_info_get_location  ( const NASelectedInfo *nsi );
+gchar          *na_selected_info_get_basename  ( const NASelectedInfo *nsi );
 gchar          *na_selected_info_get_mime_type ( const NASelectedInfo *nsi );
 gchar          *na_selected_info_get_path      ( const NASelectedInfo *nsi );
 gchar          *na_selected_info_get_uri       ( const NASelectedInfo *nsi );