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117 lines
5.6 KiB
C
117 lines
5.6 KiB
C
/*
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* libInstPatch
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* Copyright (C) 1999-2014 Element Green <element@elementsofsound.org>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public License
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* as published by the Free Software Foundation; version 2.1
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* of the License only.
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*
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* This library 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
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* GNU 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 License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA or on the web at http://www.gnu.org.
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*/
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#ifndef __IPATCH_XML_OBJECT_H__
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#define __IPATCH_XML_OBJECT_H__
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#include <glib.h>
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#include <glib-object.h>
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/**
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* IpatchXmlEncodeFunc:
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* @node: XML node to encode XML to
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* @object: Object being encoded (object and property encoders)
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* @pspec: Spec of property being encoded (property encoders only)
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* @value: Value to encode (property and GValue encoders only)
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* @err: Location to store error value (or %NULL if ignoring)
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*
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* Function type for encoding objects, properties or GValue types to XML trees.
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* Forms the basis of serializing GObject and GValues to XML. The caller
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* handles creating an XML node element to contain the given object, property or
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* value XML encoding.
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*
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* Returns: Should return %TRUE on success and %FALSE on error (in which
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* case @err should be set).
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*/
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typedef gboolean(*IpatchXmlEncodeFunc)(GNode *node, GObject *object,
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GParamSpec *pspec, GValue *value,
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GError **err);
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/**
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* IpatchXmlDecodeFunc:
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* @node: XML node to be decoded
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* @object: Object being decoded to (object and property decoders, %NULL otherwise)
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* @pspec: Spec of property being decoded (property decoders only, %NULL otherwise)
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* @value: Value to decode to (property and GValue decoders only, %NULL otherwise)
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* @err: Location to store error value (or %NULL if ignoring)
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*
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* Function type for decoding objects, properties or GValue types from XML trees to
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* their original instance values in memory. For object decoders, only @object
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* will be set and the decoded XML content should be assigned to the object;
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* for property decoders @object, @pspec and @value will be set, @value is
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* initialized to the property value type and the decoded value should be
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* assigned to it; for GValue decoders, only the @value will be initialized
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* which the decoded value should be assigned to.
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*
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* Returns: Should return TRUE on success, FALSE otherwise (in which case @err
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* should be set)
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*/
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typedef gboolean(*IpatchXmlDecodeFunc)(GNode *node, GObject *object,
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GParamSpec *pspec, GValue *value,
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GError **err);
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void ipatch_xml_register_handler(GType type, const char *prop_name,
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IpatchXmlEncodeFunc encode_func,
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IpatchXmlDecodeFunc decode_func);
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void
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ipatch_xml_register_handler_full(GType type, const char *prop_name,
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IpatchXmlEncodeFunc encode_func,
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IpatchXmlDecodeFunc decode_func,
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GDestroyNotify notify_func, gpointer user_data);
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gboolean ipatch_xml_lookup_handler(GType type, GParamSpec *pspec,
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IpatchXmlEncodeFunc *encode_func,
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IpatchXmlDecodeFunc *decode_func);
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gboolean ipatch_xml_lookup_handler_by_prop_name(GType type, const char *prop_name,
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IpatchXmlEncodeFunc *encode_func,
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IpatchXmlDecodeFunc *decode_func);
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gboolean ipatch_xml_encode_object(GNode *node, GObject *object,
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gboolean create_element, GError **err);
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gboolean ipatch_xml_encode_property(GNode *node, GObject *object, GParamSpec *pspec,
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gboolean create_element, GError **err);
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gboolean ipatch_xml_encode_property_by_name(GNode *node, GObject *object,
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const char *propname,
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gboolean create_element, GError **err);
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gboolean ipatch_xml_encode_value(GNode *node, GValue *value, GError **err);
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gboolean ipatch_xml_decode_object(GNode *node, GObject *object, GError **err);
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gboolean ipatch_xml_decode_property(GNode *node, GObject *object, GParamSpec *pspec,
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GError **err);
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gboolean ipatch_xml_decode_property_by_name(GNode *node, GObject *object,
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const char *propname, GError **err);
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gboolean ipatch_xml_decode_value(GNode *node, GValue *value, GError **err);
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gboolean ipatch_xml_default_encode_object_func(GNode *node, GObject *object,
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GParamSpec *pspec, GValue *value,
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GError **err);
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gboolean ipatch_xml_default_encode_property_func(GNode *node, GObject *object,
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GParamSpec *pspec, GValue *value,
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GError **err);
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gboolean ipatch_xml_default_encode_value_func(GNode *node, GObject *object,
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GParamSpec *pspec, GValue *value,
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GError **err);
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gboolean ipatch_xml_default_decode_object_func(GNode *node, GObject *object,
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GParamSpec *pspec, GValue *value,
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GError **err);
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gboolean ipatch_xml_default_decode_property_func(GNode *node, GObject *object,
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GParamSpec *pspec, GValue *value,
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GError **err);
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gboolean ipatch_xml_default_decode_value_func(GNode *node, GObject *object,
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GParamSpec *pspec, GValue *value,
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GError **err);
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#endif
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