mirror of
https://github.com/VCMP-SqMod/SqMod.git
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480 lines
10 KiB
C++
480 lines
10 KiB
C++
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//
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// XMLConfiguration.cpp
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//
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// Library: Util
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// Package: Configuration
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// Module: XMLConfiguration
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//
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// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
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// and Contributors.
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//
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// SPDX-License-Identifier: BSL-1.0
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//
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#include "Poco/Util/XMLConfiguration.h"
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#ifndef POCO_UTIL_NO_XMLCONFIGURATION
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#include "Poco/SAX/InputSource.h"
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#include "Poco/DOM/DOMParser.h"
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#include "Poco/DOM/Element.h"
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#include "Poco/DOM/Attr.h"
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#include "Poco/DOM/Text.h"
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#include "Poco/XML/XMLWriter.h"
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#include "Poco/Exception.h"
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#include "Poco/NumberParser.h"
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#include "Poco/NumberFormatter.h"
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#include <set>
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namespace Poco {
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namespace Util {
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XMLConfiguration::XMLConfiguration():
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_delim('.')
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{
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loadEmpty("config");
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}
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XMLConfiguration::XMLConfiguration(char delim):
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_delim(delim)
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{
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loadEmpty("config");
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}
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XMLConfiguration::XMLConfiguration(Poco::XML::InputSource* pInputSource):
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_delim('.')
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{
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load(pInputSource);
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}
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XMLConfiguration::XMLConfiguration(Poco::XML::InputSource* pInputSource, char delim):
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_delim(delim)
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{
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load(pInputSource);
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}
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XMLConfiguration::XMLConfiguration(std::istream& istr):
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_delim('.')
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{
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load(istr);
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}
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XMLConfiguration::XMLConfiguration(std::istream& istr, char delim):
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_delim(delim)
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{
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load(istr);
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}
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XMLConfiguration::XMLConfiguration(const std::string& path):
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_delim('.')
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{
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load(path);
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}
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XMLConfiguration::XMLConfiguration(const std::string& path, char delim):
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_delim(delim)
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{
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load(path);
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}
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XMLConfiguration::XMLConfiguration(const Poco::XML::Document* pDocument):
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_delim('.')
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{
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load(pDocument);
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}
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XMLConfiguration::XMLConfiguration(const Poco::XML::Document* pDocument, char delim):
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_delim(delim)
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{
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load(pDocument);
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}
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XMLConfiguration::XMLConfiguration(const Poco::XML::Node* pNode):
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_delim('.')
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{
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load(pNode);
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}
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XMLConfiguration::XMLConfiguration(const Poco::XML::Node* pNode, char delim):
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_delim(delim)
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{
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load(pNode);
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}
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XMLConfiguration::~XMLConfiguration()
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{
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}
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void XMLConfiguration::load(Poco::XML::InputSource* pInputSource, unsigned long namePoolSize)
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{
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poco_check_ptr (pInputSource);
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Poco::XML::DOMParser parser(namePoolSize);
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parser.setFeature(Poco::XML::XMLReader::FEATURE_NAMESPACES, false);
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parser.setFeature(Poco::XML::DOMParser::FEATURE_FILTER_WHITESPACE, true);
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Poco::XML::AutoPtr<Poco::XML::Document> pDoc = parser.parse(pInputSource);
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load(pDoc);
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}
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void XMLConfiguration::load(Poco::XML::InputSource* pInputSource)
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{
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load(pInputSource, POCO_XML_NAMEPOOL_DEFAULT_SIZE);
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}
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void XMLConfiguration::load(std::istream& istr)
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{
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Poco::XML::InputSource src(istr);
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load(&src);
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}
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void XMLConfiguration::load(const std::string& path)
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{
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Poco::XML::InputSource src(path);
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load(&src);
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}
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void XMLConfiguration::load(const Poco::XML::Document* pDocument)
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{
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poco_check_ptr (pDocument);
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_pDocument = Poco::XML::AutoPtr<Poco::XML::Document>(const_cast<Poco::XML::Document*>(pDocument), true);
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_pRoot = Poco::XML::AutoPtr<Poco::XML::Node>(pDocument->documentElement(), true);
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}
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void XMLConfiguration::load(const Poco::XML::Node* pNode)
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{
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poco_check_ptr (pNode);
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if (pNode->nodeType() == Poco::XML::Node::DOCUMENT_NODE)
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{
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load(static_cast<const Poco::XML::Document*>(pNode));
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}
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else
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{
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_pDocument = Poco::XML::AutoPtr<Poco::XML::Document>(pNode->ownerDocument(), true);
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_pRoot = Poco::XML::AutoPtr<Poco::XML::Node>(const_cast<Poco::XML::Node*>(pNode), true);
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}
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}
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void XMLConfiguration::loadEmpty(const std::string& rootElementName)
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{
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_pDocument = new Poco::XML::Document;
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_pRoot = _pDocument->createElement(rootElementName);
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_pDocument->appendChild(_pRoot);
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}
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void XMLConfiguration::save(const std::string& path) const
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{
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Poco::XML::DOMWriter writer;
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writer.setNewLine("\n");
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writer.setOptions(Poco::XML::XMLWriter::PRETTY_PRINT);
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writer.writeNode(path, _pDocument);
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}
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void XMLConfiguration::save(std::ostream& ostr) const
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{
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Poco::XML::DOMWriter writer;
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writer.setNewLine("\n");
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writer.setOptions(Poco::XML::XMLWriter::PRETTY_PRINT);
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writer.writeNode(ostr, _pDocument);
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}
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void XMLConfiguration::save(Poco::XML::DOMWriter& writer, const std::string& path) const
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{
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writer.writeNode(path, _pDocument);
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}
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void XMLConfiguration::save(Poco::XML::DOMWriter& writer, std::ostream& ostr) const
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{
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writer.writeNode(ostr, _pDocument);
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}
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bool XMLConfiguration::getRaw(const std::string& key, std::string& value) const
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{
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const Poco::XML::Node* pNode = findNode(key);
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if (pNode)
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{
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value = pNode->innerText();
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return true;
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}
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else return false;
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}
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void XMLConfiguration::setRaw(const std::string& key, const std::string& value)
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{
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std::string::const_iterator it = key.begin();
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Poco::XML::Node* pNode = findNode(it, key.end(), _pRoot, true);
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if (pNode)
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{
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unsigned short nodeType = pNode->nodeType();
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if (Poco::XML::Node::ATTRIBUTE_NODE == nodeType)
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{
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pNode->setNodeValue(value);
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}
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else if (Poco::XML::Node::ELEMENT_NODE == nodeType)
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{
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Poco::XML::Node* pChildNode = pNode->firstChild();
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if (pChildNode)
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{
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if (Poco::XML::Node::TEXT_NODE == pChildNode->nodeType())
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{
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pChildNode->setNodeValue(value);
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}
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}
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else
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{
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Poco::AutoPtr<Poco::XML::Node> pText = _pDocument->createTextNode(value);
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pNode->appendChild(pText);
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}
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}
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}
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else throw NotFoundException("Node not found in XMLConfiguration", key);
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}
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void XMLConfiguration::enumerate(const std::string& key, Keys& range) const
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{
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using Poco::NumberFormatter;
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std::multiset<std::string> keys;
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const Poco::XML::Node* pNode = findNode(key);
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if (pNode)
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{
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const Poco::XML::Node* pChild = pNode->firstChild();
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while (pChild)
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{
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if (pChild->nodeType() == Poco::XML::Node::ELEMENT_NODE)
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{
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const std::string& nodeName = pChild->nodeName();
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int n = (int) keys.count(nodeName);
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if (n)
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range.push_back(nodeName + "[" + NumberFormatter::format(n) + "]");
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else
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range.push_back(nodeName);
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keys.insert(nodeName);
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}
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pChild = pChild->nextSibling();
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}
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}
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}
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void XMLConfiguration::removeRaw(const std::string& key)
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{
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Poco::XML::Node* pNode = findNode(key);
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if (pNode)
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{
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if (pNode->nodeType() == Poco::XML::Node::ELEMENT_NODE)
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{
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Poco::XML::Node* pParent = pNode->parentNode();
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if (pParent)
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{
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pParent->removeChild(pNode);
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}
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}
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else if (pNode->nodeType() == Poco::XML::Node::ATTRIBUTE_NODE)
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{
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Poco::XML::Attr* pAttr = dynamic_cast<Poco::XML::Attr*>(pNode);
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Poco::XML::Element* pOwner = pAttr->ownerElement();
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if (pOwner)
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{
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pOwner->removeAttributeNode(pAttr);
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}
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}
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}
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}
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const Poco::XML::Node* XMLConfiguration::findNode(const std::string& key) const
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{
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std::string::const_iterator it = key.begin();
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Poco::XML::Node* pRoot = const_cast<Poco::XML::Node*>(_pRoot.get());
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return findNode(it, key.end(), pRoot);
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}
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Poco::XML::Node* XMLConfiguration::findNode(const std::string& key)
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{
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std::string::const_iterator it = key.begin();
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Poco::XML::Node* pRoot = const_cast<Poco::XML::Node*>(_pRoot.get());
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return findNode(it, key.end(), pRoot);
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}
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Poco::XML::Node* XMLConfiguration::findNode(std::string::const_iterator& it, const std::string::const_iterator& end, Poco::XML::Node* pNode, bool create) const
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{
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if (pNode && it != end)
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{
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if (*it == '[')
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{
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++it;
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if (it != end && *it == '@')
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{
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++it;
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std::string attr;
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while (it != end && *it != ']' && *it != '=') attr += *it++;
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if (it != end && *it == '=')
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{
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++it;
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std::string value;
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if (it != end && *it == '\'')
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{
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++it;
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while (it != end && *it != '\'') value += *it++;
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if (it != end) ++it;
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}
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else
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{
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while (it != end && *it != ']') value += *it++;
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}
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if (it != end) ++it;
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return findNode(it, end, findElement(attr, value, pNode), create);
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}
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else
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{
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if (it != end) ++it;
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return findAttribute(attr, pNode, create);
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}
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}
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else
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{
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std::string index;
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while (it != end && *it != ']') index += *it++;
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if (it != end) ++it;
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return findNode(it, end, findElement(Poco::NumberParser::parse(index), pNode, create), create);
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}
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}
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else
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{
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while (it != end && *it == _delim) ++it;
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std::string key;
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while (it != end && *it != _delim && *it != '[') key += *it++;
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return findNode(it, end, findElement(key, pNode, create), create);
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}
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}
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else return pNode;
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}
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Poco::XML::Node* XMLConfiguration::findElement(const std::string& name, Poco::XML::Node* pNode, bool create)
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{
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Poco::XML::Node* pChild = pNode->firstChild();
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while (pChild)
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{
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if (pChild->nodeType() == Poco::XML::Node::ELEMENT_NODE && pChild->nodeName() == name)
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return pChild;
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pChild = pChild->nextSibling();
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}
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if (create)
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{
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Poco::AutoPtr<Poco::XML::Element> pElem = pNode->ownerDocument()->createElement(name);
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pNode->appendChild(pElem);
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return pElem;
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}
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else return 0;
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}
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Poco::XML::Node* XMLConfiguration::findElement(int index, Poco::XML::Node* pNode, bool create)
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{
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Poco::XML::Node* pRefNode = pNode;
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if (index > 0)
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{
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pNode = pNode->nextSibling();
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while (pNode)
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{
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if (pNode->nodeName() == pRefNode->nodeName())
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{
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if (--index == 0) break;
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}
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pNode = pNode->nextSibling();
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}
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}
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if (!pNode && create)
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{
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if (index == 1)
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{
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Poco::AutoPtr<Poco::XML::Element> pElem = pRefNode->ownerDocument()->createElement(pRefNode->nodeName());
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pRefNode->parentNode()->appendChild(pElem);
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return pElem;
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}
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else throw Poco::InvalidArgumentException("Element index out of range.");
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}
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return pNode;
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}
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Poco::XML::Node* XMLConfiguration::findElement(const std::string& attr, const std::string& value, Poco::XML::Node* pNode)
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{
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Poco::XML::Node* pRefNode = pNode;
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Poco::XML::Element* pElem = dynamic_cast<Poco::XML::Element*>(pNode);
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if (!(pElem && pElem->getAttribute(attr) == value))
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{
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pNode = pNode->nextSibling();
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while (pNode)
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{
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if (pNode->nodeName() == pRefNode->nodeName())
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{
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pElem = dynamic_cast<Poco::XML::Element*>(pNode);
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if (pElem && pElem->getAttribute(attr) == value) break;
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}
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pNode = pNode->nextSibling();
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}
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}
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return pNode;
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}
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Poco::XML::Node* XMLConfiguration::findAttribute(const std::string& name, Poco::XML::Node* pNode, bool create)
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{
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Poco::XML::Node* pResult(0);
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Poco::XML::Element* pElem = dynamic_cast<Poco::XML::Element*>(pNode);
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if (pElem)
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{
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pResult = pElem->getAttributeNode(name);
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if (!pResult && create)
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{
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Poco::AutoPtr<Poco::XML::Attr> pAttr = pNode->ownerDocument()->createAttribute(name);
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pElem->setAttributeNode(pAttr);
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return pAttr;
|
||
|
}
|
||
|
}
|
||
|
return pResult;
|
||
|
}
|
||
|
|
||
|
|
||
|
} } // namespace Poco::Util
|
||
|
|
||
|
#endif // POCO_UTIL_NO_XMLCONFIGURATION
|