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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) Thibault Saunier 2009 <saunierthibault@gmail.com>
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* Copyright (C) Philip Withnall 2010 <philip@tecnocode.co.uk>
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* Copyright (C) Red Hat, Inc. 2016
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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-documents-spreadsheet
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* @short_description: GData Documents spreadsheet object
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* @stability: Stable
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* @include: gdata/services/documents/gdata-documents-spreadsheet.h
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*
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* #GDataDocumentsSpreadsheet is a subclass of #GDataDocumentsDocument to represent a spreadsheet from Google Documents.
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*
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* For more details of Google Drive's GData API, see the
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* <ulink type="http" url="https://developers.google.com/drive/v2/web/about-sdk">online documentation</ulink>.
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*
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* <example>
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* <title>Downloading a Specific Sheet of a Spreadsheet</title>
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* <programlisting>
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* GDataDocumentsService *service;
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* GDataDocumentsSpreadsheet *spreadsheet;
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* GFile *destination_file;
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* guint gid;
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* gchar *download_uri;
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* GDataDownloadStream *download_stream;
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* GFileOutputStream *output_stream;
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* GError *error = NULL;
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*
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* /* Create a service and retrieve the spreadsheet and sheet index (GID) to download and the file to save the download in */
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* service = create_youtube_service ();
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* spreadsheet = get_document_to_download (service);
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* destination_file = query_user_for_destination_file (spreadsheet);
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* gid = query_user_for_gid (spreadsheet);
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*
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* /* Create the download stream */
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* download_uri = gdata_documents_spreadsheet_get_download_uri (spreadsheet, GDATA_DOCUMENTS_SPREADSHEET_CSV, gid);
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* download_stream = GDATA_DOWNLOAD_STREAM (gdata_download_stream_new (service, gdata_documents_service_get_spreadsheet_authorization_domain (),
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* download_uri, NULL));
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* g_free (download_uri);
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*
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* g_object_unref (spreadsheet);
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* g_object_unref (service);
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*
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* /* Create the file output stream */
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* output_stream = g_file_replace (destination_file, NULL, FALSE, G_FILE_CREATE_REPLACE_DESTINATION, NULL, &error);
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*
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* g_object_unref (destination_file);
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*
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* if (error != NULL) {
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* g_error ("Error creating destination file: %s", error->message);
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* g_error_free (error);
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* g_object_unref (download_stream);
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* return;
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* }
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*
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* /* Download the document. This should almost always be done asynchronously. */
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* g_output_stream_splice (G_OUTPUT_STREAM (output_stream), G_INPUT_STREAM (download_stream),
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* G_OUTPUT_STREAM_SPLICE_CLOSE_SOURCE | G_OUTPUT_STREAM_SPLICE_CLOSE_TARGET, NULL, &error);
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*
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* g_object_unref (output_stream);
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* g_object_unref (download_stream);
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*
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* if (error != NULL) {
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* g_error ("Error downloading spreadsheet: %s", error->message);
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* g_error_free (error);
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* return;
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* }
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* </programlisting>
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* </example>
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*
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* Since: 0.4.0
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*/
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#include <config.h>
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#include <glib.h>
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#include <glib/gi18n-lib.h>
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#include <libxml/parser.h>
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#include <string.h>
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#include "gdata-documents-spreadsheet.h"
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#include "gdata-documents-utils.h"
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#include "gdata-parser.h"
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#include "gdata-private.h"
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static void gdata_documents_spreadsheet_constructed (GObject *object);
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G_DEFINE_TYPE (GDataDocumentsSpreadsheet, gdata_documents_spreadsheet, GDATA_TYPE_DOCUMENTS_DOCUMENT)
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static void
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gdata_documents_spreadsheet_class_init (GDataDocumentsSpreadsheetClass *klass)
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{
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GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
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GDataEntryClass *entry_class = GDATA_ENTRY_CLASS (klass);
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gobject_class->constructed = gdata_documents_spreadsheet_constructed;
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entry_class->kind_term = "http://schemas.google.com/docs/2007#spreadsheet";
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}
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static void
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gdata_documents_spreadsheet_init (GDataDocumentsSpreadsheet *self)
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{
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/* Why am I writing it? */
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}
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static void
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gdata_documents_spreadsheet_constructed (GObject *object)
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{
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G_OBJECT_CLASS (gdata_documents_spreadsheet_parent_class)->constructed (object);
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if (!_gdata_parsable_is_constructed_from_xml (GDATA_PARSABLE (object)))
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gdata_documents_utils_add_content_type (GDATA_DOCUMENTS_ENTRY (object), "application/vnd.google-apps.spreadsheet");
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}
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/**
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* gdata_documents_spreadsheet_new:
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* @id: (allow-none): the entry's ID (not the document ID of the spreadsheet), or %NULL
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*
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* Creates a new #GDataDocumentsSpreadsheet with the given entry ID (#GDataEntry:id).
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*
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* Return value: (transfer full): a new #GDataDocumentsSpreadsheet, or %NULL; unref with g_object_unref()
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*
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* Since: 0.4.0
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*/
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GDataDocumentsSpreadsheet *
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gdata_documents_spreadsheet_new (const gchar *id)
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{
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return GDATA_DOCUMENTS_SPREADSHEET (g_object_new (GDATA_TYPE_DOCUMENTS_SPREADSHEET, "id", id, NULL));
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}
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/**
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* gdata_documents_spreadsheet_get_download_uri:
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* @self: a #GDataDocumentsSpreadsheet
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* @export_format: the format in which the spreadsheet should be exported when downloaded
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* @gid: the 0 -based sheet ID to download, or -1
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*
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* Builds and returns the download URI for the given #GDataDocumentsSpreadsheet in the desired format. Note that directly downloading
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* the document using this URI isn't possible, as authentication is required. You should instead use gdata_download_stream_new() with
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* the URI, and use the resulting #GInputStream.
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*
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* When requesting a "csv" , "tsv" , "pdf" or
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* "html" file you may specify an additional parameter called @gid which indicates which grid, or sheet, you wish to get
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* (the index is 0 -based, so GID 1 actually refers to the second sheet on a given
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* spreadsheet).
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*
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* Return value: the download URI; free with g_free()
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*
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* Since: 0.5.0
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*/
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gchar *
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gdata_documents_spreadsheet_get_download_uri (GDataDocumentsSpreadsheet *self, const gchar *export_format, gint gid)
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{
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const gchar *resource_id, *document_id;
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g_return_val_if_fail (GDATA_IS_DOCUMENTS_SPREADSHEET (self), NULL);
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g_return_val_if_fail (export_format != NULL && *export_format != '\0', NULL);
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g_return_val_if_fail (gid >= -1, NULL);
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/* Extract the document ID from the resource ID. */
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resource_id = gdata_documents_entry_get_resource_id (GDATA_DOCUMENTS_ENTRY (self));
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g_assert (resource_id != NULL);
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document_id = g_utf8_strchr (resource_id, -1, ':');
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g_assert (document_id != NULL);
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document_id++; /* skip over the colon */
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if (gid != -1) {
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return _gdata_service_build_uri ("http://spreadsheets.google.com/feeds/download/spreadsheets/Export?key=%s&exportFormat=%s&gid=%d",
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document_id, export_format, gid);
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} else {
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return _gdata_service_build_uri ("http://spreadsheets.google.com/feeds/download/spreadsheets/Export?key=%s&exportFormat=%s",
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document_id, export_format);
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}
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}
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