xml.h

/* -HEADER----------------------------------------------------------------------
UniCC LALR(1) Parser Generator
Copyright (C) 2006-2017 by Phorward Software Technologies, Jan Max Meyer
http://unicc.phorward-software.com ++ unicc<at>phorward<dash>software<dot>com
All rights reserved. See LICENSE for more information.

File:	xml.c
Author:	Aaron Voisine, contributions and code-formatting by Jan Max Meyer
Usage:	XML processing functions (based on ezXML)
----------------------------------------------------------------------------- */

/* xml.h
 *
 * Copyright 2004-2006 Aaron Voisine <aaron@voisine.org>
 *
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice shall be included
 * in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
 * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

#ifndef _XML_H
#define _XML_H

#define XML_BUFSIZE 1024	/* size of internal memory buffers */
#define XML_NAMEM	0x80	/* name is malloced */
#define XML_TXTM	0x40	/* txt is malloced */
#define XML_DUP		0x20	/* attribute name and value are pstrduped */

typedef struct xml*		XML_T;
struct xml
{
	char*		name;		/* tag name */
	char **	 attr;		/* tag attributes { name, value, name, value, ...
							 * NULL } */
	char*		txt;		/* tag character content, empty string if none */
	size_t		off;		/* tag offset from start of parent tag character
							 * content */
	int			line;		/* Line where the node is declared */
	XML_T		next;		/* next tag with same name in this section at this
							 * depth */
	XML_T		sibling;	/* next tag with different name in same section and
							 * depth */
	XML_T		ordered;	/* next tag, same section and depth, in original
							 * order */
	XML_T		child;		/* head of sub tag list, NULL if none */
	XML_T		parent;		/* parent tag, NULL if current tag is root tag */
	short		flags;		/* additional information */
};

#define xml_next( xml )		\
	( ( xml ) ? xml->next : NULL )

#define xml_next_inorder( xml ) \
	((xml) ? xml->ordered : NULL)

#define xml_name( xml )	\
	( ( xml ) ? xml->name : NULL )

#define xml_txt( xml ) \
	( ( xml ) ? xml->txt : "" )

#define xml_line(xml) \
	( ( xml ) ? (xml)->line : 0 )

#define xml_new_d( name ) \
	xml_set_flag( xml_new( pstrdup(name) ),XML_NAMEM )

#define xml_add_child_d( xml, name, off ) \
	xml_set_flag \
	( \
		xml_add_child( xml, pstrdup(name), off ), \
		XML_NAMEM \
	)

#define xml_set_txt_d( xml, txt ) \
	xml_set_flag \
	( \
		xml_set_txt( xml, pstrdup(txt) ), \
		XML_TXTM \
	)

#define xml_set_attr_d( xml, name, value ) \
	xml_set_attr \
	( \
		xml_set_flag( xml, XML_DUP ), \
		pstrdup( name ), \
		pstrdup( value ) \
	)

#define xml_add_child_f( xml, name, off ) \
	xml_set_flag \
	( \
		xml_add_child( xml, name, off ), \
		XML_NAMEM \
	)

#define xml_set_txt_f( xml, txt ) \
	xml_set_flag \
	( \
		xml_set_txt( xml, txt ), \
		XML_TXTM \
	)

#define xml_set_attr_f( xml, name, value ) \
	xml_set_attr \
	( \
		xml_set_flag( xml, XML_DUP ), \
		pstrdup( name ), \
		(value) \
	)

#define xml_move( xml, dest, off )	\
	xml_insert( xml_cut( xml ),dest,off )

#define xml_remove( xml ) \
	xml_free( xml_cut( xml ) )

#endif /* _XML_H */