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wbxml_tree.h

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/*
 * WBXML Lib, the WBXML Library.
 * Copyright (C) 2002-2003  Aymerick Jéhanne
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License (version 2.1) as published by the Free Software Foundation.
 * 
 * This library 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
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * LGPL v2.1: http://www.gnu.org/licenses/lgpl.txt
 *
 * Author Contact: libwbxml@jehanne.org
 * WBXML Lib home: http://libwbxml.jehanne.org
 */
 
#ifndef WBXML_TREE_H
#define WBXML_TREE_H


#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */

/****************************************************
 *      WBXML Tree Structures
 */
  

typedef enum WBXMLTreeNodeType_e
{
    WBXML_TREE_ELEMENT_NODE = 0, 
    WBXML_TREE_TEXT_NODE,        
    WBXML_TREE_PI_NODE,          
    WBXML_TREE_TREE_NODE         
} WBXMLTreeNodeType;


typedef struct WBXMLTreeAttribute_s
{
    WBXMLAttribute  *attr;              
    struct WBXMLTreeAttribute_s  *next; 
} WBXMLTreeAttribute;


typedef struct WBXMLTreeNode_s
{
    WBXMLTreeNodeType   type;       
    WBXMLTag            *name;      
    WBXMLTreeAttribute  *attrs;     
    WBXMLBuffer         *content;   
    struct WBXMLTree_s  *tree;      
    struct WBXMLTreeNode_s  *parent;    
    struct WBXMLTreeNode_s  *children;  
    struct WBXMLTreeNode_s  *next;      
    struct WBXMLTreeNode_s  *prev;      
} WBXMLTreeNode;


typedef struct WBXMLTree_s
{    
    const WBXMLLangEntry  *lang; 
    WBXMLTreeNode   *root;       
} WBXMLTree;


typedef struct WBXMLTreeClbCtx_s {
    /* For XML and WBXML Clb: */
    WBXMLTree *tree;            
    WBXMLTreeNode *current;     
    WBXMLError error;           
    /* For XML Clb: */
    WB_ULONG skip_lvl;          
    WB_LONG skip_start;         
    WB_UTINY *input_buff;       
#if defined( HAVE_EXPAT )
    XML_Parser xml_parser;      
#endif /* HAVE_EXPAT */    
} WBXMLTreeClbCtx;


/****************************************************
 *  WBXML Tree Building Functions
 */

WBXML_DECLARE(WBXMLError) wbxml_tree_from_wbxml(WB_UTINY *wbxml, WB_ULONG wbxml_len, WBXMLLanguage lang, WBXMLTree **tree);

WBXML_DECLARE(WBXMLError) wbxml_tree_from_xml(WB_UTINY *xml, WBXMLTree **tree);


/****************************************************
 *      WBXML Tree Functions
 */

/* WBXMLTreeAttribute */

WBXML_DECLARE(WBXMLTreeAttribute *) wbxml_tree_attribute_create(void);

WBXML_DECLARE(void) wbxml_tree_attribute_destroy(WBXMLTreeAttribute *attr);


/* WBXMLTreeNode */

WBXML_DECLARE(WBXMLTreeNode *) wbxml_tree_node_create(WBXMLTreeNodeType type);

WBXML_DECLARE(void) wbxml_tree_node_destroy(WBXMLTreeNode *node);


/* WBXMLTree */

WBXML_DECLARE(WBXMLTree *) wbxml_tree_create(void);

WBXML_DECLARE(void) wbxml_tree_destroy(WBXMLTree *tree);

WBXML_DECLARE(WBXMLTreeNode *) wbxml_tree_get_element_node_from_name(WBXMLTreeNode *node, const char *name, WB_BOOL recurs);


#ifdef __cplusplus
}
#endif /* __cplusplus */

#endif /* WBXML_TREE_H */

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