diff options
Diffstat (limited to 'logview/logview-filter.c')
| -rw-r--r-- | logview/logview-filter.c | 196 |
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; +} |