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/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
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/*
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* GData Client
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* Copyright (C) Philip Withnall 2010, 2015 <philip@tecnocode.co.uk>
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*
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* GData Client is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* GData Client is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with GData Client. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* SECTION:gdata-app-categories
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* @short_description: GData APP categories object
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* @stability: Stable
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* @include: gdata/app/gdata-app-categories.h
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*
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* #GDataAPPCategories is a list of categories (#GDataCategory) returned as the result of querying an
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* <ulink type="http" url="http://www.atomenabled.org/developers/protocol/#category">Atom Publishing Protocol Category Document</ulink>.
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*
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* Since: 0.7.0
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*/
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#include <config.h>
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#include <glib.h>
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#include "gdata-app-categories.h"
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#include "atom/gdata-category.h"
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#include "gdata-parsable.h"
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#include "gdata-parser.h"
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static void gdata_app_categories_dispose (GObject *object);
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static void gdata_app_categories_finalize (GObject *object);
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static void gdata_app_categories_get_property (GObject *object, guint property_id, GValue *value, GParamSpec *pspec);
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static gboolean
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parse_json (GDataParsable *parsable, JsonReader *reader, gpointer user_data,
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GError **error);
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static gboolean
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post_parse_json (GDataParsable *parsable, gpointer user_data, GError **error);
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static const gchar *
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get_content_type (void);
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struct _GDataAPPCategoriesPrivate {
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GList *categories;
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gchar *scheme;
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gboolean fixed;
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};
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enum {
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PROP_IS_FIXED = 1
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};
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G_DEFINE_TYPE (GDataAPPCategories, gdata_app_categories, GDATA_TYPE_PARSABLE)
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static void
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gdata_app_categories_class_init (GDataAPPCategoriesClass *klass)
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{
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GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
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GDataParsableClass *parsable_class = GDATA_PARSABLE_CLASS (klass);
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g_type_class_add_private (klass, sizeof (GDataAPPCategoriesPrivate));
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gobject_class->get_property = gdata_app_categories_get_property;
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gobject_class->dispose = gdata_app_categories_dispose;
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gobject_class->finalize = gdata_app_categories_finalize;
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parsable_class->parse_json = parse_json;
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parsable_class->post_parse_json = post_parse_json;
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parsable_class->get_content_type = get_content_type;
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parsable_class->element_name = "categories";
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parsable_class->element_namespace = "app";
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/**
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* GDataAPPCategories:is-fixed:
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*
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* Whether entries may use categories not in this category list.
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*
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* API reference: <ulink type="http" url="http://www.atomenabled.org/developers/protocol/#appCategories2">app:categories</ulink>
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*
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* Since: 0.7.0
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*/
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g_object_class_install_property (gobject_class, PROP_IS_FIXED,
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g_param_spec_boolean ("is-fixed",
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"Fixed?", "Whether entries may use categories not in this category list.",
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FALSE,
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G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
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}
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static void
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gdata_app_categories_init (GDataAPPCategories *self)
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{
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self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self, GDATA_TYPE_APP_CATEGORIES, GDataAPPCategoriesPrivate);
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}
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static void
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gdata_app_categories_dispose (GObject *object)
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{
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GDataAPPCategoriesPrivate *priv = GDATA_APP_CATEGORIES (object)->priv;
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if (priv->categories != NULL) {
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g_list_foreach (priv->categories, (GFunc) g_object_unref, NULL);
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g_list_free (priv->categories);
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}
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priv->categories = NULL;
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/* Chain up to the parent class */
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G_OBJECT_CLASS (gdata_app_categories_parent_class)->dispose (object);
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}
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static void
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gdata_app_categories_finalize (GObject *object)
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{
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GDataAPPCategoriesPrivate *priv = GDATA_APP_CATEGORIES (object)->priv;
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g_free (priv->scheme);
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/* Chain up to the parent class */
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G_OBJECT_CLASS (gdata_app_categories_parent_class)->finalize (object);
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}
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static void
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gdata_app_categories_get_property (GObject *object, guint property_id, GValue *value, GParamSpec *pspec)
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{
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GDataAPPCategoriesPrivate *priv = GDATA_APP_CATEGORIES (object)->priv;
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switch (property_id) {
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case PROP_IS_FIXED:
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g_value_set_boolean (value, priv->fixed);
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break;
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default:
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/* We don't have any other property... */
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
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break;
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}
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}
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/* Reference: https://developers.google.com/youtube/v3/docs/videoCategories/list */
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static gboolean
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parse_json (GDataParsable *parsable, JsonReader *reader, gpointer user_data, GError **error)
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{
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GDataAPPCategories *self = GDATA_APP_CATEGORIES (parsable);
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GDataAPPCategoriesPrivate *priv = self->priv;
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GType category_type;
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category_type = (user_data == NULL) ?
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GDATA_TYPE_CATEGORY : GPOINTER_TO_SIZE (user_data);
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if (g_strcmp0 (json_reader_get_member_name (reader), "items") == 0) {
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guint i, elements;
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/* Loop through the elements array. */
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for (i = 0, elements = (guint) json_reader_count_elements (reader); i < elements; i++) {
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GDataCategory *category = NULL;
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const gchar *id, *title;
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const GError *child_error = NULL;
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json_reader_read_element (reader, i);
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json_reader_read_member (reader, "id");
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id = json_reader_get_string_value (reader);
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json_reader_end_member (reader);
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json_reader_read_member (reader, "snippet");
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json_reader_read_member (reader, "title");
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title = json_reader_get_string_value (reader);
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json_reader_end_member (reader);
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child_error = json_reader_get_error (reader);
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if (child_error != NULL) {
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return gdata_parser_error_from_json_error (reader,
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child_error,
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error);
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}
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/* Create the category. */
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category = g_object_new (category_type,
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"term", id,
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"label", title,
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NULL);
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priv->categories = g_list_prepend (priv->categories,
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category);
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json_reader_end_member (reader); /* snippet */
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json_reader_end_element (reader); /* category */
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}
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return TRUE;
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} else if (g_strcmp0 (json_reader_get_member_name (reader), "kind") == 0 ||
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g_strcmp0 (json_reader_get_member_name (reader), "etag") == 0 ||
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g_strcmp0 (json_reader_get_member_name (reader), "id") == 0) {
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/* Ignore. */
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return TRUE;
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} else {
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return GDATA_PARSABLE_CLASS (gdata_app_categories_parent_class)->parse_json (parsable, reader, user_data, error);
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}
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}
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static gboolean
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post_parse_json (GDataParsable *parsable, gpointer user_data, GError **error)
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{
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GDataAPPCategoriesPrivate *priv = GDATA_APP_CATEGORIES (parsable)->priv;
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/* Reverse our lists of stuff. */
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priv->categories = g_list_reverse (priv->categories);
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return TRUE;
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}
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static const gchar *
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get_content_type (void)
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{
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return "application/json";
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}
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/**
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* gdata_app_categories_get_categories:
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* @self: a #GDataAPPCategories
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*
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* Returns a list of the categories in this category list.
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*
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* Return value: (element-type GData.Category) (transfer none): a #GList of #GDataCategorys
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*
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* Since: 0.7.0
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*/
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GList *
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gdata_app_categories_get_categories (GDataAPPCategories *self)
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{
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g_return_val_if_fail (GDATA_IS_APP_CATEGORIES (self), NULL);
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return self->priv->categories;
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}
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/**
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* gdata_app_categories_is_fixed:
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* @self: a #GDataAPPCategories
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*
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* Returns #GDataAPPCategories:is-fixed.
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*
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* Return value: whether entries may use categories not in this category list
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*
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* Since: 0.7.0
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*/
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gboolean
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gdata_app_categories_is_fixed (GDataAPPCategories *self)
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{
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g_return_val_if_fail (GDATA_IS_APP_CATEGORIES (self), FALSE);
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return self->priv->fixed;
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}
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