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-rw-r--r--libcaja-private/caja-query.c395
1 files changed, 395 insertions, 0 deletions
diff --git a/libcaja-private/caja-query.c b/libcaja-private/caja-query.c
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--- /dev/null
+++ b/libcaja-private/caja-query.c
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+/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
+/*
+ * Copyright (C) 2005 Novell, Inc.
+ *
+ * Caja 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 2 of the
+ * License, or (at your option) any later version.
+ *
+ * Caja 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; see the file COPYING. If not,
+ * write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * Author: Anders Carlsson <[email protected]>
+ *
+ */
+
+#include <config.h>
+#include <string.h>
+
+#include "caja-query.h"
+#include <eel/eel-gtk-macros.h>
+#include <eel/eel-glib-extensions.h>
+#include <glib/gi18n.h>
+#include <libcaja-private/caja-file-utilities.h>
+
+struct CajaQueryDetails
+{
+ char *text;
+ char *location_uri;
+ GList *mime_types;
+};
+
+static void caja_query_class_init (CajaQueryClass *class);
+static void caja_query_init (CajaQuery *query);
+
+G_DEFINE_TYPE (CajaQuery,
+ caja_query,
+ G_TYPE_OBJECT);
+
+static GObjectClass *parent_class = NULL;
+
+static void
+finalize (GObject *object)
+{
+ CajaQuery *query;
+
+ query = CAJA_QUERY (object);
+
+ g_free (query->details->text);
+ g_free (query->details);
+
+ EEL_CALL_PARENT (G_OBJECT_CLASS, finalize, (object));
+}
+
+static void
+caja_query_class_init (CajaQueryClass *class)
+{
+ GObjectClass *gobject_class;
+
+ parent_class = g_type_class_peek_parent (class);
+
+ gobject_class = G_OBJECT_CLASS (class);
+ gobject_class->finalize = finalize;
+}
+
+static void
+caja_query_init (CajaQuery *query)
+{
+ query->details = g_new0 (CajaQueryDetails, 1);
+}
+
+CajaQuery *
+caja_query_new (void)
+{
+ return g_object_new (CAJA_TYPE_QUERY, NULL);
+}
+
+
+char *
+caja_query_get_text (CajaQuery *query)
+{
+ return g_strdup (query->details->text);
+}
+
+void
+caja_query_set_text (CajaQuery *query, const char *text)
+{
+ g_free (query->details->text);
+ query->details->text = g_strdup (text);
+}
+
+char *
+caja_query_get_location (CajaQuery *query)
+{
+ return g_strdup (query->details->location_uri);
+}
+
+void
+caja_query_set_location (CajaQuery *query, const char *uri)
+{
+ g_free (query->details->location_uri);
+ query->details->location_uri = g_strdup (uri);
+}
+
+GList *
+caja_query_get_mime_types (CajaQuery *query)
+{
+ return eel_g_str_list_copy (query->details->mime_types);
+}
+
+void
+caja_query_set_mime_types (CajaQuery *query, GList *mime_types)
+{
+ eel_g_list_free_deep (query->details->mime_types);
+ query->details->mime_types = eel_g_str_list_copy (mime_types);
+}
+
+void
+caja_query_add_mime_type (CajaQuery *query, const char *mime_type)
+{
+ query->details->mime_types = g_list_append (query->details->mime_types,
+ g_strdup (mime_type));
+}
+
+char *
+caja_query_to_readable_string (CajaQuery *query)
+{
+ if (!query || !query->details->text)
+ {
+ return g_strdup (_("Search"));
+ }
+
+ return g_strdup_printf (_("Search for \"%s\""), query->details->text);
+}
+
+static char *
+encode_home_uri (const char *uri)
+{
+ char *home_uri;
+ const char *encoded_uri;
+
+ home_uri = caja_get_home_directory_uri ();
+
+ if (g_str_has_prefix (uri, home_uri))
+ {
+ encoded_uri = uri + strlen (home_uri);
+ if (*encoded_uri == '/')
+ {
+ encoded_uri++;
+ }
+ }
+ else
+ {
+ encoded_uri = uri;
+ }
+
+ g_free (home_uri);
+
+ return g_markup_escape_text (encoded_uri, -1);
+}
+
+static char *
+decode_home_uri (const char *uri)
+{
+ char *home_uri;
+ char *decoded_uri;
+
+ if (g_str_has_prefix (uri, "file:"))
+ {
+ decoded_uri = g_strdup (uri);
+ }
+ else
+ {
+ home_uri = caja_get_home_directory_uri ();
+
+ decoded_uri = g_strconcat (home_uri, "/", uri, NULL);
+
+ g_free (home_uri);
+ }
+
+ return decoded_uri;
+}
+
+
+typedef struct
+{
+ CajaQuery *query;
+ gboolean in_text;
+ gboolean in_location;
+ gboolean in_mimetypes;
+ gboolean in_mimetype;
+} ParserInfo;
+
+static void
+start_element_cb (GMarkupParseContext *ctx,
+ const char *element_name,
+ const char **attribute_names,
+ const char **attribute_values,
+ gpointer user_data,
+ GError **err)
+{
+ ParserInfo *info;
+
+ info = (ParserInfo *) user_data;
+
+ if (strcmp (element_name, "text") == 0)
+ info->in_text = TRUE;
+ else if (strcmp (element_name, "location") == 0)
+ info->in_location = TRUE;
+ else if (strcmp (element_name, "mimetypes") == 0)
+ info->in_mimetypes = TRUE;
+ else if (strcmp (element_name, "mimetype") == 0)
+ info->in_mimetype = TRUE;
+}
+
+static void
+end_element_cb (GMarkupParseContext *ctx,
+ const char *element_name,
+ gpointer user_data,
+ GError **err)
+{
+ ParserInfo *info;
+
+ info = (ParserInfo *) user_data;
+
+ if (strcmp (element_name, "text") == 0)
+ info->in_text = FALSE;
+ else if (strcmp (element_name, "location") == 0)
+ info->in_location = FALSE;
+ else if (strcmp (element_name, "mimetypes") == 0)
+ info->in_mimetypes = FALSE;
+ else if (strcmp (element_name, "mimetype") == 0)
+ info->in_mimetype = FALSE;
+}
+
+static void
+text_cb (GMarkupParseContext *ctx,
+ const char *text,
+ gsize text_len,
+ gpointer user_data,
+ GError **err)
+{
+ ParserInfo *info;
+ char *t, *uri;
+
+ info = (ParserInfo *) user_data;
+
+ t = g_strndup (text, text_len);
+
+ if (info->in_text)
+ {
+ caja_query_set_text (info->query, t);
+ }
+ else if (info->in_location)
+ {
+ uri = decode_home_uri (t);
+ caja_query_set_location (info->query, uri);
+ g_free (uri);
+ }
+ else if (info->in_mimetypes && info->in_mimetype)
+ {
+ caja_query_add_mime_type (info->query, t);
+ }
+
+ g_free (t);
+
+}
+
+static void
+error_cb (GMarkupParseContext *ctx,
+ GError *err,
+ gpointer user_data)
+{
+}
+
+static GMarkupParser parser =
+{
+ start_element_cb,
+ end_element_cb,
+ text_cb,
+ NULL,
+ error_cb
+};
+
+
+static CajaQuery *
+caja_query_parse_xml (char *xml, gsize xml_len)
+{
+ ParserInfo info = { NULL };
+ GMarkupParseContext *ctx;
+
+ if (xml_len == -1)
+ {
+ xml_len = strlen (xml);
+ }
+
+ info.query = caja_query_new ();
+ info.in_text = FALSE;
+
+ ctx = g_markup_parse_context_new (&parser, 0, &info, NULL);
+ g_markup_parse_context_parse (ctx, xml, xml_len, NULL);
+
+ return info.query;
+}
+
+
+CajaQuery *
+caja_query_load (char *file)
+{
+ CajaQuery *query;
+ char *xml;
+ gsize xml_len;
+
+ if (!g_file_test (file, G_FILE_TEST_EXISTS))
+ {
+ return NULL;
+ }
+
+
+ g_file_get_contents (file, &xml, &xml_len, NULL);
+ query = caja_query_parse_xml (xml, xml_len);
+ g_free (xml);
+
+ return query;
+}
+
+static char *
+caja_query_to_xml (CajaQuery *query)
+{
+ GString *xml;
+ char *text;
+ char *uri;
+ char *mimetype;
+ GList *l;
+
+ xml = g_string_new ("");
+ g_string_append (xml,
+ "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
+ "<query version=\"1.0\">\n");
+
+ text = g_markup_escape_text (query->details->text, -1);
+ g_string_append_printf (xml, " <text>%s</text>\n", text);
+ g_free (text);
+
+ if (query->details->location_uri)
+ {
+ uri = encode_home_uri (query->details->location_uri);
+ g_string_append_printf (xml, " <location>%s</location>\n", uri);
+ g_free (uri);
+ }
+
+ if (query->details->mime_types)
+ {
+ g_string_append (xml, " <mimetypes>\n");
+ for (l = query->details->mime_types; l != NULL; l = l->next)
+ {
+ mimetype = g_markup_escape_text (l->data, -1);
+ g_string_append_printf (xml, " <mimetype>%s</mimetype>\n", mimetype);
+ g_free (mimetype);
+ }
+ g_string_append (xml, " </mimetypes>\n");
+ }
+
+ g_string_append (xml, "</query>\n");
+
+ return g_string_free (xml, FALSE);
+}
+
+gboolean
+caja_query_save (CajaQuery *query, char *file)
+{
+ char *xml;
+ GError *err = NULL;
+ gboolean res;
+
+
+ res = TRUE;
+ xml = caja_query_to_xml (query);
+ g_file_set_contents (file, xml, strlen (xml), &err);
+ g_free (xml);
+
+ if (err != NULL)
+ {
+ res = FALSE;
+ g_error_free (err);
+ }
+ return res;
+}
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