mirror of
https://github.com/mariadb-corporation/mariadb-columnstore-engine.git
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113 lines
2.8 KiB
C++
113 lines
2.8 KiB
C++
/* Copyright (C) 2014 InfiniDB, Inc.
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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 General Public License
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as published by the Free Software Foundation; version 2 of
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the License.
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This program 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 General Public License for more details.
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You should have received a copy of the GNU 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,
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MA 02110-1301, USA. */
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/*******************************************************************************
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* $Id: we_xmlop.h 4450 2013-01-21 14:13:24Z rdempsey $
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*
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*******************************************************************************/
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/** @file */
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#pragma once
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#include "we_xmltag.h"
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#include "we_type.h"
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/** Namespace WriteEngine */
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namespace WriteEngine
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{
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// Size of buffer used to parse non-string node content or attribute
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const int XML_NODE_BUF_SIZE = 256;
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/** @brief Class wrapper around XML2 API. Used by XmlGenProc to save Job XML
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* file for input into cpimport.bin.
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*
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*/
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class XMLOp
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{
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protected:
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/** @brief XML types used in parsing XML content and attributes
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*
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*/
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enum XML_DTYPE
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{
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TYPE_EMPTY = 1,
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TYPE_CHAR = 2,
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TYPE_DOUBLE = 3,
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TYPE_FLOAT = 4,
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TYPE_LONGLONG = 5,
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TYPE_INT = 6
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};
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/**
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* @brief Constructor
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*/
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XMLOp();
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/**
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* @brief Default Destructor
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*/
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virtual ~XMLOp();
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/**
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* @brief Get node attribute for non-strings
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*/
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bool getNodeAttribute(xmlNode* pNode, const char* pTag, void* pVal, XML_DTYPE dataType) const;
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/**
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* @brief Get node attribute for strings
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*/
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bool getNodeAttributeStr(xmlNode* pNode, const char* pTag, std::string& strVal) const;
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/**
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* @brief Get node content for non-strings
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*/
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bool getNodeContent(const xmlNode* pNode, void* pVal, XML_DTYPE dataType);
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/**
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* @brief Get node content for strings
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*/
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bool getNodeContentStr(const xmlNode* pNode, std::string& strVal);
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/**
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* @brief Check whether it is certain tag
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*/
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bool isTag(const xmlNode* pNode, const xmlTag tag)
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{
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return !xmlStrcmp(pNode->name, (const xmlChar*)xmlTagTable[tag]);
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}
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/**
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* @brief Parse xml document
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*/
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int parseDoc(const char* xmlFileName);
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/**
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* @brief Process node (recursion)
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*/
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virtual bool processNode(xmlNode* pParentNode);
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xmlDocPtr m_fDoc; // xml document pointer
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xmlNode* m_pRoot; // root element
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private:
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void closeDoc();
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void convertNodeValue(void* pVal, const char* buf, XML_DTYPE dataType) const;
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int readDoc(const char* xmlFileName);
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};
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} // namespace WriteEngine
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