Moved from Mate-Extra repository

1 files changed, 196 insertions, 0 deletions

diff --git a/logview/logview-filter.c b/logview/logview-filter.c
new file mode 100644
index 00000000..c68eb114
--- /dev/null
+++ b/logview/logview-filter.c
@@ -0,0 +1,196 @@
+/* -*- Mode: C; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2; -*- */
+/*
+ * mate-utils
+ * Copyright (C) Johannes Schmid 2009 <[email protected]>
+ * 
+ * mate-utils is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ * 
+ * mate-utils 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 this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "logview-filter.h"
+
+enum {
+  PROP_0,
+  PROP_REGEX,
+  PROP_NAME,
+  PROP_TEXTTAG
+};
+
+G_DEFINE_TYPE (LogviewFilter, logview_filter, G_TYPE_OBJECT);
+
+struct _LogviewFilterPrivate {
+  GRegex* regex;
+  gchar* name;
+  GtkTextTag* tag;
+};
+
+#define LOGVIEW_FILTER_GET_PRIVATE(o)  \
+(G_TYPE_INSTANCE_GET_PRIVATE ((o), LOGVIEW_TYPE_FILTER, LogviewFilterPrivate))
+
+static void
+logview_filter_init (LogviewFilter *object) 
+{
+  object->priv = LOGVIEW_FILTER_GET_PRIVATE(object);
+  object->priv->tag = NULL;
+}
+
+static void
+logview_filter_finalize (GObject *object)
+{
+  LogviewFilterPrivate *priv = LOGVIEW_FILTER (object)->priv;
+
+  if (priv->tag) {
+    g_object_unref (priv->tag);
+  }
+
+  g_regex_unref (priv->regex);
+  g_free (priv->name);
+
+  G_OBJECT_CLASS (logview_filter_parent_class)->finalize (object);
+}
+
+static void
+logview_filter_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
+{
+  LogviewFilterPrivate* priv = LOGVIEW_FILTER (object)->priv;
+
+  switch (prop_id) {
+    case PROP_NAME:
+      priv->name = g_value_dup_string (value);
+      break;
+    case PROP_REGEX: {
+      GError* err;
+      const gchar* regex;
+
+      err = NULL;
+      
+      regex = g_value_get_string (value);
+      priv->regex = g_regex_new (regex, 0, 0, &err);
+
+      if (err) {
+        g_regex_unref (priv->regex);
+        priv->regex = NULL;
+        g_warning ("Couldn't create GRegex object: %s", err->message);
+        g_error_free (err);
+      }
+
+      break;
+    }
+    case PROP_TEXTTAG: {
+      if (priv->tag) {
+        g_object_unref (priv->tag);
+      }
+
+      priv->tag = g_value_dup_object (value);
+      break;
+    }
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+      break;
+  }
+}
+
+static void
+logview_filter_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
+{
+  LogviewFilterPrivate* priv = LOGVIEW_FILTER (object)->priv;
+
+  switch (prop_id) {
+    case PROP_REGEX:
+      g_value_set_string (value, g_regex_get_pattern (priv->regex));
+      break;
+    case PROP_NAME:
+      g_value_set_string (value, priv->name);
+      break;
+    case PROP_TEXTTAG:
+      g_value_set_object (value, priv->tag);
+      break;
+  }
+}
+
+static void
+logview_filter_class_init (LogviewFilterClass *klass)
+{
+  GObjectClass* object_class = G_OBJECT_CLASS (klass);
+
+  object_class->finalize = logview_filter_finalize;
+  object_class->set_property = logview_filter_set_property;
+  object_class->get_property = logview_filter_get_property;
+
+  g_object_class_install_property (object_class,
+                                   PROP_REGEX,
+                                   g_param_spec_string ("regex",
+                                                        "regular expression",
+                                                        "regular expression",
+                                                        "NULL",
+                                                        G_PARAM_WRITABLE | G_PARAM_READABLE | G_PARAM_CONSTRUCT_ONLY));
+
+  g_object_class_install_property (object_class,
+                                   PROP_NAME,
+                                   g_param_spec_string ("name",
+                                                        "name",
+                                                        "name",
+                                                        "NULL",
+                                                        G_PARAM_WRITABLE | G_PARAM_READABLE | G_PARAM_CONSTRUCT_ONLY));
+
+  g_object_class_install_property (object_class,
+                                   PROP_TEXTTAG,
+                                   g_param_spec_object ("texttag",
+                                                        "texttag",
+                                                        "The text tag to be set on matching lines",
+                                                        GTK_TYPE_TEXT_TAG,
+                                                        G_PARAM_READABLE | G_PARAM_WRITABLE));
+
+
+  g_type_class_add_private (klass, sizeof (LogviewFilterPrivate));
+}
+
+/* public methods */
+
+LogviewFilter*
+logview_filter_new (const gchar *name, const gchar *regex)
+{
+  return g_object_new (LOGVIEW_TYPE_FILTER,
+                       "name", name,
+                       "regex", regex,
+                       NULL);
+}
+
+gboolean
+logview_filter_filter (LogviewFilter *filter, const gchar *line)
+{
+  GMatchInfo* match_info;
+  LogviewFilterPrivate* priv;
+  gboolean retval;
+
+  g_return_val_if_fail (LOGVIEW_IS_FILTER (filter), FALSE);
+  g_return_val_if_fail (line != NULL, FALSE);
+
+  priv = filter->priv;
+
+  g_regex_match (priv->regex, line, 0, &match_info);
+
+  retval = g_match_info_matches (match_info);
+
+  g_match_info_free (match_info);
+
+  return retval;
+}
+
+GtkTextTag *
+logview_filter_get_tag (LogviewFilter *filter)
+{
+  g_return_val_if_fail (LOGVIEW_IS_FILTER (filter), NULL);
+
+  return filter->priv->tag;
+}