moving from https://github.com/perberos/mate-desktop-environment

1 files changed, 395 insertions, 0 deletions

diff --git a/libcaja-private/caja-query.c b/libcaja-private/caja-query.c
new file mode 100644
index 00000000..53e51ff6
--- /dev/null
+++ b/libcaja-private/caja-query.c
@@ -0,0 +1,395 @@
+/* -*- 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;
+}