tests/auto/xmlpatternsxqts/lib/DebugExpressionFactory.cpp
changeset 0 1918ee327afb
child 4 3b1da2848fc7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/auto/xmlpatternsxqts/lib/DebugExpressionFactory.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,264 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the test suite of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QStringList>
+#include <QVariant>
+#include <QtDebug>
+#include <QXmlNamePool>
+
+#include "qfunctionfactorycollection_p.h"
+
+#include "ASTItem.h"
+#include "ExpressionInfo.h"
+#include "ExpressionNamer.h"
+#include "Global.h"
+
+#include "DebugExpressionFactory.h"
+
+using namespace QPatternistSDK;
+using namespace QPatternist;
+
+static const QPatternist::ExpressionVisitor::Ptr namer(new ExpressionNamer());
+
+QStringList DebugExpressionFactory::availableFunctionSignatures()
+{
+    const QPatternist::FunctionFactory::Ptr factory(QPatternist::FunctionFactoryCollection::xpath20Factory(Global::namePool()));
+    const QPatternist::FunctionSignature::Hash signs(factory->functionSignatures());
+    const QPatternist::FunctionSignature::Hash::const_iterator end(signs.constEnd());
+    QPatternist::FunctionSignature::Hash::const_iterator it(signs.constBegin());
+    QStringList retval;
+
+    while(it != end)
+    {
+        retval << it.value()->displayName(Global::namePool());
+        ++it;
+    }
+
+    return retval;
+}
+
+ASTItem *DebugExpressionFactory::buildASTTree(const QPatternist::Expression::Ptr &expr,
+                                              ASTItem *parent,
+                                              const QPatternist::SequenceType::Ptr &reqType)
+{
+    Q_ASSERT(expr);
+    const QPatternist::ExpressionVisitorResult::Ptr exprInfo(expr->accept(namer));
+    Q_ASSERT(exprInfo);
+    const ExpressionInfo *const constExprInfo = static_cast<const ExpressionInfo *>(exprInfo.data());
+    const QString name(constExprInfo->first);
+    const QString details(constExprInfo->second);
+    const QString rType(reqType ? reqType->displayName(Global::namePool()) : QLatin1String("Not specified"));
+
+    /* ---------- Handle its staticType() -------- */
+    const QPatternist::SequenceType::Ptr type(expr->staticType());
+    QString seqType;
+
+    if(type)
+        seqType = type->displayName(Global::namePool());
+    else
+        seqType = QLatin1String("no type, null pointer returned");
+    /* ------------------------------------------- */
+
+    ASTItem *const node = new ASTItem(parent, name, details, seqType, rType);
+
+    /* ------------ Handle child nodes ----------- */
+    const QPatternist::Expression::List children(expr->operands());
+    QPatternist::Expression::List::const_iterator it(children.constBegin());
+    const QPatternist::Expression::List::const_iterator end(children.constEnd());
+
+    const QPatternist::SequenceType::List reqTypes(expr->expectedOperandTypes());
+    const QPatternist::SequenceType::List::const_iterator typeEnd(reqTypes.constEnd());
+    QPatternist::SequenceType::List::const_iterator typeIt(reqTypes.constBegin());
+    QPatternist::SequenceType::Ptr t;
+
+    for(; it != end; ++it)
+    {
+        if(typeIt != typeEnd)
+        {
+            t = *typeIt;
+            ++typeIt;
+        }
+
+        node->appendChild(buildASTTree(*it, node, t));
+    }
+    /* ------------------------------------------- */
+
+    return node;
+}
+
+QPatternist::Expression::Ptr
+DebugExpressionFactory::createExpression(QIODevice *const expr,
+                                         const QPatternist::StaticContext::Ptr &context,
+                                         const QXmlQuery::QueryLanguage lang,
+                                         const QPatternist::SequenceType::Ptr &requiredType,
+                                         const QUrl &baseURI,
+                                         const QXmlName &initialTemplateName)
+{
+    /* Create the root node. */
+    m_ast = new ASTItem(0, QString());
+
+    return ExpressionFactory::createExpression(expr, context, lang, requiredType, baseURI, initialTemplateName);
+}
+
+void DebugExpressionFactory::processTreePass(const QPatternist::Expression::Ptr &expr,
+                                             const CompilationStage stage)
+{
+    ASTItem *newChild = 0;
+
+    switch(stage)
+    {
+        case QueryBodyInitial:
+        {
+            newChild = new ASTItem(m_ast, QLatin1String("Initial Build"));
+            break;
+        }
+        case QueryBodyTypeCheck:
+        {
+            newChild = new ASTItem(m_ast, QLatin1String("Type Check"));
+            break;
+        }
+        case QueryBodyCompression:
+        {
+            newChild = new ASTItem(m_ast, QLatin1String("Compression"));
+            break;
+        }
+        case UserFunctionTypeCheck:
+        {
+            newChild = new ASTItem(m_ast, QLatin1String("User Function Type Check"));
+            break;
+        }
+        case UserFunctionCompression:
+        {
+            newChild = new ASTItem(m_ast, QLatin1String("User Function Compression"));
+            break;
+        }
+        case GlobalVariableTypeCheck:
+        {
+            newChild = new ASTItem(m_ast, QLatin1String("Global Variable Type Check"));
+            break;
+        }
+    }
+
+    Q_ASSERT(newChild);
+    m_ast->appendChild(newChild);
+    newChild->appendChild(buildASTTree(expr, newChild, QPatternist::SequenceType::Ptr()));
+}
+
+void DebugExpressionFactory::processTemplateRule(const Expression::Ptr &body,
+                                                 const TemplatePattern::Ptr &pattern,
+                                                 const QXmlName &mode,
+                                                 const TemplateCompilationStage stage)
+{
+    const char * title;
+
+    switch(stage)
+    {
+        case TemplateInitial:
+        {
+            title = "Initial Build";
+            break;
+        }
+        case TemplateTypeCheck:
+        {
+            title = "Type Check";
+            break;
+        }
+        case TemplateCompress:
+        {
+            title = "Compression";
+            break;
+        }
+    }
+
+    const QString modeName(Global::namePool()->displayName(mode));
+    Q_ASSERT(title);
+    ASTItem *const newChild = new ASTItem(m_ast, QLatin1String("T-Rule ")
+                                                 + QLatin1String(title)
+                                                 + QLatin1String(" mode: ")
+                                                 + modeName
+                                                 + QLatin1String(" priority: ")
+                                                 + QString::number(pattern->priority()));
+    m_ast->appendChild(newChild);
+
+    newChild->appendChild(buildASTTree(pattern->matchPattern(), newChild, QPatternist::SequenceType::Ptr()));
+    newChild->appendChild(buildASTTree(body, newChild, QPatternist::SequenceType::Ptr()));
+}
+
+void DebugExpressionFactory::processNamedTemplate(const QXmlName &name,
+                                                  const Expression::Ptr &body,
+                                                  const TemplateCompilationStage stage)
+{
+    const char * title;
+
+    switch(stage)
+    {
+        case TemplateInitial:
+        {
+            title = "Named Template Initial Build";
+            break;
+        }
+        case TemplateTypeCheck:
+        {
+            title = "Named Template Type Check";
+            break;
+        }
+        case TemplateCompress:
+        {
+            title = "Named Template Compression";
+            break;
+        }
+    }
+
+    Q_ASSERT(title);
+    ASTItem *const newChild = new ASTItem(m_ast, QLatin1String(title)
+                                                 + QLatin1String(": ")
+                                                 + Global::namePool()->displayName(name));
+
+    m_ast->appendChild(newChild);
+    newChild->appendChild(buildASTTree(body, newChild, QPatternist::SequenceType::Ptr()));
+}
+
+ASTItem *DebugExpressionFactory::astTree() const
+{
+    return m_ast;
+}
+
+// vim: et:ts=4:sw=4:sts=4