/*

  * Extract component parts of various MS XML files (e.g. MS Office 2003 XML Documents)

  * 

  * Copyright (C) 2013-2019 Cisco Systems, Inc. and/or its affiliates. All rights reserved.

  * Copyright (C) 2007-2013 Sourcefire, Inc.
  * 
  * Authors: Kevin Lin
  * 
  * This program is free software; you can redistribute it and/or modify it under
  * the terms of the GNU General Public License version 2 as published by the
  * Free Software Foundation.
  * 
  * This program 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 General Public License for
  * more details.
  * 
  * You should have received a copy of the GNU General Public License along with
  * this program; if not, write to the Free Software Foundation, Inc., 51
  * Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  */
 
 #ifndef __MSXML_PARSER_H
 #define __MSXML_PARSER_H
 
 #if HAVE_LIBXML2
 
 #if HAVE_CONFIG_H
 #include "clamav-config.h"
 #endif
 
 #include "others.h"
 
 #ifdef _WIN32
 #ifndef LIBXML_WRITER_ENABLED
 #define LIBXML_WRITER_ENABLED 1
 #endif
 #endif
 #include <libxml/xmlreader.h>
 
 
 #define MSXML_RECLEVEL_MAX 20
 #define MSXML_JSON_STRLEN_MAX 128
 

 /* reader usage flags */
 #define MSXML_FLAG_JSON  0x1
 #define MSXML_FLAG_WALK  0x2
 

 struct msxml_ictx;
 

 struct attrib_entry {
     const char *key;
     const char *value;
 };
 

 struct key_entry {

 /* how */

 #define MSXML_IGNORE          0x0
 #define MSXML_IGNORE_ELEM     0x1
 #define MSXML_SCAN_CB         0x2
 #define MSXML_SCAN_B64        0x4

 #define MSXML_COMMENT_CB      0x8

 /* where */

 #define MSXML_JSON_ROOT       0x10
 #define MSXML_JSON_WRKPTR     0x20
 #define MSXML_JSON_MULTI      0x40

 
 #define MSXML_JSON_TRACK (MSXML_JSON_ROOT | MSXML_JSON_WRKPTR)

 /* what */

 #define MSXML_JSON_COUNT      0x100
 #define MSXML_JSON_VALUE      0x200
 #define MSXML_JSON_ATTRIB     0x400

 
     const char *key;
     const char *name;

     uint32_t type;

 };
 

 typedef int (*msxml_scan_cb)(int fd, const char *filepath, cli_ctx *ctx, int num_attribs, struct attrib_entry *attribs, void *cbdata);

 typedef int (*msxml_comment_cb)(const char *comment, cli_ctx *ctx, void *wrkjobj, void *cbdata);

 
 struct msxml_ctx {
     msxml_scan_cb scan_cb;

     void *scan_data;

     msxml_comment_cb comment_cb;

     void *comment_data;

     struct msxml_ictx *ictx;
 };

 int cli_msxml_parse_document(cli_ctx *ctx, xmlTextReaderPtr reader, const struct key_entry *keys, const size_t num_keys, uint32_t flags, struct msxml_ctx *mxctx);

 
 #endif /* HAVE_LIBXML2 */
 
 #endif /* __MSXML_PARSER_H */