Revision control
++ // Copyright (C) 2016 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
++
++ #include "parser.h"
++
++ #include <qxml.h>
++ #include <qregularexpression.h>
++
++ class ContentHandler : public QXmlDefaultHandler
++ {
++ public:
++ ContentHandler();
++
++ // QXmlContentHandler methods
++ bool startDocument() override;
++ bool endDocument() override;
++ bool startElement(const QString &namespaceURI,
++ const QString &localName,
++ const QString &qName,
++ const QXmlAttributes &atts) override;
++ bool endElement(const QString &namespaceURI,
++ const QString &localName,
++ const QString &qName) override;
++ bool characters(const QString &ch) override;
++ void setDocumentLocator(QXmlLocator *locator) override;
++ bool startPrefixMapping(const QString &prefix, const QString &uri) override;
++ bool endPrefixMapping(const QString &prefix) override;
++ bool ignorableWhitespace(const QString &ch) override;
++ bool processingInstruction(const QString &target, const QString &data) override;
++ bool skippedEntity(const QString &name) override;
++
++ // QXmlErrorHandler methods
++ bool warning(const QXmlParseException &exception) override;
++ bool error(const QXmlParseException &exception) override;
++ bool fatalError(const QXmlParseException &exception) override;
++
++ // QXmlDTDHandler methods
++ bool notationDecl(const QString &name, const QString &publicId,
++ const QString &systemId) override;
++ bool unparsedEntityDecl(const QString &name,
++ const QString &publicId,
++ const QString &systemId,
++ const QString ¬ationName) override;
++
++ // QXmlEntityResolver methods
++ bool resolveEntity(const QString &publicId,
++ const QString &systemId,
++ QXmlInputSource *&) override;
++
++ // QXmlLexicalHandler methods
++ bool startDTD (const QString &name, const QString &publicId, const QString &systemId) override;
++ bool endDTD() override;
++ bool startEntity(const QString &name) override;
++ bool endEntity(const QString &name) override;
++ bool startCDATA() override;
++ bool endCDATA() override;
++ bool comment(const QString &ch) override;
++
++ // QXmlDeclHandler methods
++ bool attributeDecl(const QString &eName, const QString &aName, const QString &type, const QString &valueDefault, const QString &value) override;
++ bool internalEntityDecl(const QString &name, const QString &value) override;
++ bool externalEntityDecl(const QString &name, const QString &publicId, const QString &systemId) override;
++
++ const QString &result() const { return m_result; }
++ const QString &errorMsg() const { return m_error_msg; }
++
++ private:
++ QString nestPrefix() const { return QString().fill(' ', 3*m_nest); }
++ QString formatAttributes(const QXmlAttributes & atts);
++ QString escapeStr(const QString &s);
++
++ unsigned m_nest;
++ QString m_result, m_error_msg;
++ };
++
++ ContentHandler::ContentHandler()
++ {
++ m_nest = 0;
++ }
++
++ bool ContentHandler::startDocument()
++ {
++ m_result += nestPrefix();
++ m_result += "startDocument()\n";
++ ++m_nest;
++ return true;
++ }
++
++ bool ContentHandler::endDocument()
++ {
++ --m_nest;
++ m_result += nestPrefix();
++ m_result += "endDocument()\n";
++ return true;
++ }
++
++ bool ContentHandler::startElement(const QString &namespaceURI,
++ const QString &localName,
++ const QString &qName,
++ const QXmlAttributes &atts)
++ {
++ m_result += nestPrefix();
++ m_result += "startElement(namespaceURI=\"" + escapeStr(namespaceURI)
++ + "\", localName=\"" + escapeStr(localName)
++ + "\", qName=\"" + escapeStr(qName)
++ + "\", atts=[" + formatAttributes(atts) + "])\n";
++ ++m_nest;
++ return true;
++ }
++
++ QString ContentHandler::escapeStr(const QString &s)
++ {
++ QString result = s;
++ result.replace(QChar(0), "\\0");
++ result.replace("\\", "\\\\");
++ result.replace("\"", "\\\"");
++ result.replace("\n", "\\n");
++ result.replace("\r", "\\r");
++ result.replace("\t", "\\t");
++ return result;
++ }
++
++ QString ContentHandler::formatAttributes(const QXmlAttributes &atts)
++ {
++ QString result;
++ for (int i = 0, cnt = atts.count(); i < cnt; ++i) {
++ if (i != 0) result += ", ";
++ result += "{localName=\"" + escapeStr(atts.localName(i))
++ + "\", qName=\"" + escapeStr(atts.qName(i))
++ + "\", uri=\"" + escapeStr(atts.uri(i))
++ + "\", type=\"" + escapeStr(atts.type(i))
++ + "\", value=\"" + escapeStr(atts.value(i)) + "\"}";
++ }
++ return result;
++ }
++
++ bool ContentHandler::endElement(const QString &namespaceURI,
++ const QString &localName,
++ const QString &qName)
++ {
++ --m_nest;
++ m_result += nestPrefix();
++ m_result += "endElement(namespaceURI=\"" + escapeStr(namespaceURI)
++ + "\", localName=\"" + escapeStr(localName)
++ + "\", qName=\"" + escapeStr(qName) + "\")\n";
++ return true;
++ }
++
++ bool ContentHandler::characters(const QString &ch)
++ {
++ m_result += nestPrefix();
++ m_result += "characters(ch=\"" + escapeStr(ch) + "\")\n";
++ return true;
++ }
++
++ void ContentHandler::setDocumentLocator(QXmlLocator *locator)
++ {
++ m_result += nestPrefix();
++ m_result += "setDocumentLocator(locator={columnNumber="
++ + QString::number(locator->columnNumber())
++ + ", lineNumber=" + QString::number(locator->lineNumber())
++ + "})\n";
++ }
++
++ bool ContentHandler::startPrefixMapping (const QString &prefix, const QString & uri)
++ {
++ m_result += nestPrefix();
++ m_result += "startPrefixMapping(prefix=\"" + escapeStr(prefix)
++ + "\", uri=\"" + escapeStr(uri) + "\")\n";
++ ++m_nest;
++ return true;
++ }
++
++ bool ContentHandler::endPrefixMapping(const QString &prefix)
++ {
++ --m_nest;
++ m_result += nestPrefix();
++ m_result += "endPrefixMapping(prefix=\"" + escapeStr(prefix) + "\")\n";
++ return true;
++ }
++
++ bool ContentHandler::ignorableWhitespace(const QString & ch)
++ {
++ m_result += nestPrefix();
++ m_result += "ignorableWhitespace(ch=\"" + escapeStr(ch) + "\")\n";
++ return true;
++ }
++
++ bool ContentHandler::processingInstruction(const QString &target, const QString &data)
++ {
++ m_result += nestPrefix();
++ m_result += "processingInstruction(target=\"" + escapeStr(target)
++ + "\", data=\"" + escapeStr(data) + "\")\n";
++ return true;
++ }
++
++ bool ContentHandler::skippedEntity (const QString & name)
++ {
++ m_result += nestPrefix();
++ m_result += "skippedEntity(name=\"" + escapeStr(name) + "\")\n";
++ return true;
++ }
++
++ bool ContentHandler::warning(const QXmlParseException & exception)
++ {
++ m_error_msg = QString("Warning %1:%2: %3")
++ .arg(exception.columnNumber())
++ .arg(exception.lineNumber())
++ .arg(exception.message());
++ m_result += nestPrefix();
++ m_result += "warning(exception={columnNumber="
++ + QString::number(exception.columnNumber())
++ + ", lineNumber="
++ + QString::number(exception.lineNumber())
++ + ", publicId=\"" + escapeStr(exception.publicId())
++ + "\", systemId=\"" + escapeStr(exception.systemId())
++ + "\", message=\"" + escapeStr(exception.message())
++ + "\"})\n";
++ return true;
++ }
++
++ bool ContentHandler::error(const QXmlParseException & exception)
++ {
++ m_error_msg = QString("Error %1:%2: %3")
++ .arg(exception.columnNumber())
++ .arg(exception.lineNumber())
++ .arg(exception.message());
++ m_result += nestPrefix();
++ m_result += "error(exception={columnNumber="
++ + QString::number(exception.columnNumber())
++ + ", lineNumber="
++ + QString::number(exception.lineNumber())
++ + ", publicId=\"" + escapeStr(exception.publicId())
++ + "\", systemId=\"" + escapeStr(exception.systemId())
++ + "\", message=\"" + escapeStr(exception.message())
++ + "\"})\n";
++ return true;
++ }
++
++ bool ContentHandler::fatalError(const QXmlParseException & exception)
++ {
++ m_error_msg = QString("Fatal error %1:%2: %3")
++ .arg(exception.columnNumber())
++ .arg(exception.lineNumber())
++ .arg(exception.message());
++ m_result += nestPrefix();
++ m_result += "fatalError(exception={columnNumber="
++ + QString::number(exception.columnNumber())
++ + ", lineNumber="
++ + QString::number(exception.lineNumber())
++ + ", publicId=\"" + escapeStr(exception.publicId())
++ + "\", systemId=\"" + escapeStr(exception.systemId())
++ + "\", message=\"" + escapeStr(exception.message())
++ + "\"})\n";
++ return true;
++ }
++
++ bool ContentHandler::notationDecl(const QString &name,
++ const QString &publicId,
++ const QString &systemId )
++ {
++ m_result += nestPrefix();
++ m_result += "notationDecl(name=\"" + escapeStr(name) + "\", publicId=\""
++ + escapeStr(publicId) + "\", systemId=\""
++ + escapeStr(systemId) + "\")\n";
++ return true;
++ }
++
++ bool ContentHandler::unparsedEntityDecl(const QString &name,
++ const QString &publicId,
++ const QString &systemId,
++ const QString ¬ationName )
++ {
++ m_result += nestPrefix();
++ m_result += "unparsedEntityDecl(name=\"" + escapeStr(name)
++ + "\", publicId=\"" + escapeStr(publicId)
++ + "\", systemId=\"" + escapeStr(systemId)
++ + "\", notationName=\"" + escapeStr(notationName)
++ + "\")\n";
++ return true;
++ }
++
++ bool ContentHandler::resolveEntity(const QString &publicId,
++ const QString &systemId,
++ QXmlInputSource *&)
++ {
++ m_result += nestPrefix();
++ m_result += "resolveEntity(publicId=\"" + escapeStr(publicId)
++ + "\", systemId=\"" + escapeStr(systemId)
++ + "\", ret={})\n";
++ return true;
++ }
++
++ bool ContentHandler::startDTD ( const QString & name, const QString & publicId, const QString & systemId )
++ {
++ m_result += nestPrefix();
++ m_result += "startDTD(name=\"" + escapeStr(name)
++ + "\", publicId=\"" + escapeStr(publicId)
++ + "\", systemId=\"" + escapeStr(systemId) + "\")\n";
++ ++m_nest;
++ return true;
++ }
++
++ bool ContentHandler::endDTD ()
++ {
++ --m_nest;
++ m_result += nestPrefix();
++ m_result += "endDTD()\n";
++ return true;
++ }
++
++ bool ContentHandler::startEntity ( const QString & name )
++ {
++ m_result += nestPrefix();
++ m_result += "startEntity(name=\"" + escapeStr(name) + "\")\n";
++ ++m_nest;
++ return true;
++ }
++
++ bool ContentHandler::endEntity ( const QString & name )
++ {
++ --m_nest;
++ m_result += nestPrefix();
++ m_result += "endEntity(name=\"" + escapeStr(name) + "\")\n";
++ return true;
++ }
++
++ bool ContentHandler::startCDATA ()
++ {
++ m_result += nestPrefix();
++ m_result += "startCDATA()\n";
++ ++m_nest;
++ return true;
++ }
++
++ bool ContentHandler::endCDATA ()
++ {
++ --m_nest;
++ m_result += nestPrefix();
++ m_result += "endCDATA()\n";
++ return true;
++ }
++
++ bool ContentHandler::comment ( const QString & ch )
++ {
++ m_result += nestPrefix();
++ m_result += "comment(ch=\"" + escapeStr(ch) + "\")\n";
++ return true;
++ }
++
++ bool ContentHandler::attributeDecl(const QString &eName,
++ const QString &aName,
++ const QString &type,
++ const QString &valueDefault,
++ const QString &value)
++ {
++ m_result += nestPrefix();
++ m_result += "attributeDecl(eName=\"" + escapeStr(eName) + "\", aName=\""
++ + escapeStr(aName) + "\", type=\"" + escapeStr(type)
++ + "\", valueDefault=\"" + escapeStr(valueDefault)
++ + "\", value=\"" + escapeStr(value) + "\")\n";
++ return true;
++ }
++
++ bool ContentHandler::internalEntityDecl(const QString &name,
++ const QString &value)
++ {
++ m_result += nestPrefix();
++ m_result += "internatlEntityDecl(name=\"" + escapeStr(name)
++ + "\", value=\"" + escapeStr(value) + "\")\n";
++ return true;
++ }
++
++ bool ContentHandler::externalEntityDecl(const QString &name,
++ const QString &publicId,
++ const QString &systemId)
++ {
++ m_result += nestPrefix();
++ m_result += "externalEntityDecl(name=\"" + escapeStr(name)
++ + "\", publicId=\"" + escapeStr(publicId)
++ + "\", systemId=\"" + escapeStr(systemId) + "\")\n";
++ return true;
++ }
++
++ Parser::Parser()
++ {
++ handler = new ContentHandler;
++ setContentHandler(handler);
++ setDTDHandler(handler);
++ setDeclHandler(handler);
++ setEntityResolver(handler);
++ setErrorHandler(handler);
++ setLexicalHandler(handler);
++ }
++
++ Parser::~Parser()
++ {
++ delete handler;
++ }
++
++ bool Parser::parseFile(QFile *file)
++ {
++ QXmlInputSource source(file);
++ return parse(source);
++ }
++
++ QString Parser::result() const
++ {
++ return handler->result();
++ }
++
++ QString Parser::errorMsg() const
++ {
++ return handler->errorMsg();
++ }