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Branched from the monolithic repo, Qt master branch, at commit
896db169ea224deb96c59ce8af800d019de63f12

1 files changed, 418 insertions, 0 deletions

diff --git a/src/xmlpatterns/utils/qnamepool.cpp b/src/xmlpatterns/utils/qnamepool.cpp
new file mode 100644
index 0000000..9ada593
--- /dev/null
+++ b/src/xmlpatterns/utils/qnamepool.cpp
@@ -0,0 +1,418 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtXmlPatterns module 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 <QtDebug>
+
+#include "private/qxmlutils_p.h"
+#include "qxpathhelper_p.h"
+
+#include "qnamepool_p.h"
+
+QT_BEGIN_NAMESPACE
+
+using namespace QPatternist;
+
+NamePool::NamePool()
+{
+    m_localNameMapping  .reserve(DefaultLocalNameCapacity   + StandardLocalNameCount);
+    m_localNames        .reserve(DefaultLocalNameCapacity   + StandardLocalNameCount);
+    m_namespaceMapping  .reserve(DefaultURICapacity         + StandardNamespaceCount);
+    m_namespaces        .reserve(DefaultURICapacity         + StandardNamespaceCount);
+    m_prefixes          .reserve(DefaultPrefixCapacity      + StandardPrefixCount);
+    m_prefixMapping     .reserve(DefaultPrefixCapacity      + StandardPrefixCount);
+
+    /* Namespaces. */
+    {
+        unlockedAllocateNamespace(QString());
+        unlockedAllocateNamespace(QLatin1String("http://www.w3.org/2005/xpath-functions"));
+        unlockedAllocateNamespace(QLatin1String("http://www.w3.org/2005/xquery-local-functions"));
+        unlockedAllocateNamespace(QLatin1String("http://www.w3.org/XML/1998/namespace"));
+        unlockedAllocateNamespace(QLatin1String("http://www.w3.org/2000/xmlns/"));
+        unlockedAllocateNamespace(QLatin1String("http://www.w3.org/2001/XMLSchema"));
+        unlockedAllocateNamespace(QLatin1String("http://www.w3.org/2001/XMLSchema-instance"));
+        unlockedAllocateNamespace(QLatin1String("http://www.w3.org/1999/XSL/Transform"));
+
+        /* For UndeclarePrefix, StopNamespaceInheritance and InternalXSLT. We use two
+         * arbitrary strings that aren't used. For instance, if we just used an
+         * empty QString, unlockedAllocateNamespace() would assign it
+         * StandardNamespaces::empty. However, it's important that the string
+         * is an invalid namespace, since otherwise user strings would get
+         * assigned the same IDs. */
+        unlockedAllocateNamespace(QLatin1String("  |  1  "));
+        unlockedAllocateNamespace(QLatin1String("  |  2  "));
+        unlockedAllocateNamespace(QLatin1String("  |  InternalXSLT"));
+
+        Q_ASSERT_X(m_namespaces.count() == StandardNamespaceCount, Q_FUNC_INFO,
+                   qPrintable(QString::fromLatin1("Expected is %1, actual is %2.").arg(StandardNamespaceCount).arg(m_namespaces.count())));
+    }
+
+    /* Prefixes. */
+    {
+        unlockedAllocatePrefix(QString());
+        unlockedAllocatePrefix(QLatin1String("fn"));
+        unlockedAllocatePrefix(QLatin1String("local"));
+        unlockedAllocatePrefix(QLatin1String("xml"));
+        unlockedAllocatePrefix(QLatin1String("xmlns"));
+        unlockedAllocatePrefix(QLatin1String("xs"));
+        unlockedAllocatePrefix(QLatin1String("xsi"));
+        unlockedAllocatePrefix(QLatin1String("ns0"));
+        unlockedAllocatePrefix(QLatin1String("|||")); /* Invalid NCName, for StopNamespaceInheritance. */
+
+        Q_ASSERT_X(m_prefixes.count() == StandardPrefixCount, Q_FUNC_INFO,
+                   qPrintable(QString::fromLatin1("Expected is %1, actual is %2.").arg(StandardPrefixCount).arg(m_prefixes.count())));
+    }
+
+    /* Local names. */
+    {
+        /* Same order as the enum in StandardLocalNames. That is, alphabetically. */
+        unlockedAllocateLocalName(QLatin1String("abs"));
+        unlockedAllocateLocalName(QLatin1String("adjust-dateTime-to-timezone"));
+        unlockedAllocateLocalName(QLatin1String("adjust-date-to-timezone"));
+        unlockedAllocateLocalName(QLatin1String("adjust-time-to-timezone"));
+        unlockedAllocateLocalName(QLatin1String("all"));
+        unlockedAllocateLocalName(QLatin1String("arity"));
+        unlockedAllocateLocalName(QLatin1String("avg"));
+        unlockedAllocateLocalName(QLatin1String("base"));
+        unlockedAllocateLocalName(QLatin1String("base-uri"));
+        unlockedAllocateLocalName(QLatin1String("boolean"));
+        unlockedAllocateLocalName(QLatin1String("ceiling"));
+        unlockedAllocateLocalName(QLatin1String("codepoint-equal"));
+        unlockedAllocateLocalName(QLatin1String("codepoints-to-string"));
+        unlockedAllocateLocalName(QLatin1String("collection"));
+        unlockedAllocateLocalName(QLatin1String("compare"));
+        unlockedAllocateLocalName(QLatin1String("concat"));
+        unlockedAllocateLocalName(QLatin1String("contains"));
+        unlockedAllocateLocalName(QLatin1String("count"));
+        unlockedAllocateLocalName(QLatin1String("current"));
+        unlockedAllocateLocalName(QLatin1String("current-date"));
+        unlockedAllocateLocalName(QLatin1String("current-dateTime"));
+        unlockedAllocateLocalName(QLatin1String("current-time"));
+        unlockedAllocateLocalName(QLatin1String("data"));
+        unlockedAllocateLocalName(QLatin1String("dateTime"));
+        unlockedAllocateLocalName(QLatin1String("day-from-date"));
+        unlockedAllocateLocalName(QLatin1String("day-from-dateTime"));
+        unlockedAllocateLocalName(QLatin1String("days-from-duration"));
+        unlockedAllocateLocalName(QLatin1String("deep-equal"));
+        unlockedAllocateLocalName(QLatin1String("default"));
+        unlockedAllocateLocalName(QLatin1String("default-collation"));
+        unlockedAllocateLocalName(QLatin1String("distinct-values"));
+        unlockedAllocateLocalName(QLatin1String("doc"));
+        unlockedAllocateLocalName(QLatin1String("doc-available"));
+        unlockedAllocateLocalName(QLatin1String("document"));
+        unlockedAllocateLocalName(QLatin1String("document-uri"));
+        unlockedAllocateLocalName(QLatin1String("element-available"));
+        unlockedAllocateLocalName(QLatin1String("empty"));
+        unlockedAllocateLocalName(QLatin1String("encode-for-uri"));
+        unlockedAllocateLocalName(QLatin1String("ends-with"));
+        unlockedAllocateLocalName(QLatin1String("error"));
+        unlockedAllocateLocalName(QLatin1String("escape-html-uri"));
+        unlockedAllocateLocalName(QLatin1String("exactly-one"));
+        unlockedAllocateLocalName(QLatin1String("exists"));
+        unlockedAllocateLocalName(QLatin1String("false"));
+        unlockedAllocateLocalName(QLatin1String("floor"));
+        unlockedAllocateLocalName(QLatin1String("function-available"));
+        unlockedAllocateLocalName(QLatin1String("function-name"));
+        unlockedAllocateLocalName(QLatin1String("generate-id"));
+        unlockedAllocateLocalName(QLatin1String("generic-string-join"));
+        unlockedAllocateLocalName(QLatin1String("hours-from-dateTime"));
+        unlockedAllocateLocalName(QLatin1String("hours-from-duration"));
+        unlockedAllocateLocalName(QLatin1String("hours-from-time"));
+        unlockedAllocateLocalName(QLatin1String("id"));
+        unlockedAllocateLocalName(QLatin1String("idref"));
+        unlockedAllocateLocalName(QLatin1String("implicit-timezone"));
+        unlockedAllocateLocalName(QLatin1String("index-of"));
+        unlockedAllocateLocalName(QLatin1String("in-scope-prefixes"));
+        unlockedAllocateLocalName(QLatin1String("insert-before"));
+        unlockedAllocateLocalName(QLatin1String("iri-to-uri"));
+        unlockedAllocateLocalName(QLatin1String("is-schema-aware"));
+        unlockedAllocateLocalName(QLatin1String("key"));
+        unlockedAllocateLocalName(QLatin1String("lang"));
+        unlockedAllocateLocalName(QLatin1String("last"));
+        unlockedAllocateLocalName(QLatin1String("local-name"));
+        unlockedAllocateLocalName(QLatin1String("local-name-from-QName"));
+        unlockedAllocateLocalName(QLatin1String("lower-case"));
+        unlockedAllocateLocalName(QLatin1String("matches"));
+        unlockedAllocateLocalName(QLatin1String("max"));
+        unlockedAllocateLocalName(QLatin1String("min"));
+        unlockedAllocateLocalName(QLatin1String("minutes-from-dateTime"));
+        unlockedAllocateLocalName(QLatin1String("minutes-from-duration"));
+        unlockedAllocateLocalName(QLatin1String("minutes-from-time"));
+        unlockedAllocateLocalName(QLatin1String("month-from-date"));
+        unlockedAllocateLocalName(QLatin1String("month-from-dateTime"));
+        unlockedAllocateLocalName(QLatin1String("months-from-duration"));
+        unlockedAllocateLocalName(QLatin1String("name"));
+        unlockedAllocateLocalName(QLatin1String("namespace-uri"));
+        unlockedAllocateLocalName(QLatin1String("namespace-uri-for-prefix"));
+        unlockedAllocateLocalName(QLatin1String("namespace-uri-from-QName"));
+        unlockedAllocateLocalName(QLatin1String("nilled"));
+        unlockedAllocateLocalName(QLatin1String("node-name"));
+        unlockedAllocateLocalName(QLatin1String("normalize-space"));
+        unlockedAllocateLocalName(QLatin1String("normalize-unicode"));
+        unlockedAllocateLocalName(QLatin1String("not"));
+        unlockedAllocateLocalName(QLatin1String("number"));
+        unlockedAllocateLocalName(QLatin1String("one-or-more"));
+        unlockedAllocateLocalName(QLatin1String("position"));
+        unlockedAllocateLocalName(QLatin1String("prefix-from-QName"));
+        unlockedAllocateLocalName(QLatin1String("product-name"));
+        unlockedAllocateLocalName(QLatin1String("product-version"));
+        unlockedAllocateLocalName(QLatin1String("property-name"));
+        unlockedAllocateLocalName(QLatin1String("QName"));
+        unlockedAllocateLocalName(QLatin1String("remove"));
+        unlockedAllocateLocalName(QLatin1String("replace"));
+        unlockedAllocateLocalName(QLatin1String("resolve-QName"));
+        unlockedAllocateLocalName(QLatin1String("resolve-uri"));
+        unlockedAllocateLocalName(QLatin1String("reverse"));
+        unlockedAllocateLocalName(QLatin1String("root"));
+        unlockedAllocateLocalName(QLatin1String("round"));
+        unlockedAllocateLocalName(QLatin1String("round-half-to-even"));
+        unlockedAllocateLocalName(QLatin1String("seconds-from-dateTime"));
+        unlockedAllocateLocalName(QLatin1String("seconds-from-duration"));
+        unlockedAllocateLocalName(QLatin1String("seconds-from-time"));
+        unlockedAllocateLocalName(QLatin1String("sourceValue"));
+        unlockedAllocateLocalName(QLatin1String("starts-with"));
+        unlockedAllocateLocalName(QLatin1String("static-base-uri"));
+        unlockedAllocateLocalName(QLatin1String("string"));
+        unlockedAllocateLocalName(QLatin1String("string-join"));
+        unlockedAllocateLocalName(QLatin1String("string-length"));
+        unlockedAllocateLocalName(QLatin1String("string-to-codepoints"));
+        unlockedAllocateLocalName(QLatin1String("subsequence"));
+        unlockedAllocateLocalName(QLatin1String("substring"));
+        unlockedAllocateLocalName(QLatin1String("substring-after"));
+        unlockedAllocateLocalName(QLatin1String("substring-before"));
+        unlockedAllocateLocalName(QLatin1String("sum"));
+        unlockedAllocateLocalName(QLatin1String("supports-backwards-compatibility"));
+        unlockedAllocateLocalName(QLatin1String("supports-serialization"));
+        unlockedAllocateLocalName(QLatin1String("system-property"));
+        unlockedAllocateLocalName(QLatin1String("timezone-from-date"));
+        unlockedAllocateLocalName(QLatin1String("timezone-from-dateTime"));
+        unlockedAllocateLocalName(QLatin1String("timezone-from-time"));
+        unlockedAllocateLocalName(QLatin1String("tokenize"));
+        unlockedAllocateLocalName(QLatin1String("trace"));
+        unlockedAllocateLocalName(QLatin1String("translate"));
+        unlockedAllocateLocalName(QLatin1String("true"));
+        unlockedAllocateLocalName(QLatin1String("type-available"));
+        unlockedAllocateLocalName(QLatin1String("unordered"));
+        unlockedAllocateLocalName(QLatin1String("unparsed-entity-public-id"));
+        unlockedAllocateLocalName(QLatin1String("unparsed-entity-uri"));
+        unlockedAllocateLocalName(QLatin1String("unparsed-text"));
+        unlockedAllocateLocalName(QLatin1String("unparsed-text-available"));
+        unlockedAllocateLocalName(QLatin1String("upper-case"));
+        unlockedAllocateLocalName(QLatin1String("vendor"));
+        unlockedAllocateLocalName(QLatin1String("vendor-url"));
+        unlockedAllocateLocalName(QLatin1String("version"));
+        unlockedAllocateLocalName(QLatin1String("xml"));
+        unlockedAllocateLocalName(QLatin1String("xmlns"));
+        unlockedAllocateLocalName(QLatin1String("year-from-date"));
+        unlockedAllocateLocalName(QLatin1String("year-from-dateTime"));
+        unlockedAllocateLocalName(QLatin1String("years-from-duration"));
+        unlockedAllocateLocalName(QLatin1String("zero-or-one"));
+        Q_ASSERT(m_localNames.count() == StandardLocalNameCount);
+    }
+}
+
+QXmlName NamePool::allocateQName(const QString &uri, const QString &localName, const QString &prefix)
+{
+    QWriteLocker l(&lock);
+
+    /*
+    QString codepoints;
+    for(int i = 0; i < localName.length(); ++i)
+        codepoints.append(QString::number(localName.at(i).unicode()) + QLatin1Char(' '));
+
+    pDebug() << Q_FUNC_INFO << localName << "codepoints:" << codepoints;
+    */
+
+    Q_ASSERT_X(QXmlUtils::isNCName(localName), Q_FUNC_INFO,
+               qPrintable(QString::fromLatin1("'%1' is an invalid NCName.").arg(localName)));
+
+    const QXmlName::NamespaceCode nsCode = unlockedAllocateNamespace(uri);
+    const QXmlName::LocalNameCode localCode  = unlockedAllocateLocalName(localName);
+
+    Q_ASSERT(prefix.isEmpty() || QXmlUtils::isNCName(prefix));
+    const QXmlName::PrefixCode prefixCode = unlockedAllocatePrefix(prefix);
+
+    return QXmlName(nsCode, localCode, prefixCode);
+}
+
+QXmlName NamePool::allocateBinding(const QString &prefix, const QString &uri)
+{
+    QWriteLocker l(&lock);
+
+    Q_ASSERT_X(prefix.isEmpty() || QXmlUtils::isNCName(prefix), Q_FUNC_INFO,
+               qPrintable(QString::fromLatin1("%1 is an invalid prefix.").arg(prefix)));
+    const QXmlName::NamespaceCode nsCode = unlockedAllocateNamespace(uri);
+
+    Q_ASSERT(prefix.isEmpty() || QXmlUtils::isNCName(prefix));
+    const QXmlName::PrefixCode prefixCode = unlockedAllocatePrefix(prefix);
+
+    return QXmlName(nsCode, StandardLocalNames::empty, prefixCode);
+}
+
+QXmlName::LocalNameCode NamePool::unlockedAllocateLocalName(const QString &ln)
+{
+    Q_ASSERT_X(QXmlUtils::isNCName(ln), Q_FUNC_INFO,
+               qPrintable(QString::fromLatin1("Invalid local name: \"%1\"").arg(ln)));
+
+    int indexInLocalNames = m_localNameMapping.value(ln, NoSuchValue);
+
+    if(indexInLocalNames == NoSuchValue)
+    {
+        indexInLocalNames = m_localNames.count();
+        m_localNames.append(ln);
+        m_localNameMapping.insert(ln, indexInLocalNames);
+    }
+
+    return indexInLocalNames;
+}
+
+QXmlName::PrefixCode NamePool::unlockedAllocatePrefix(const QString &prefix)
+{
+    int indexInPrefixes = m_prefixMapping.value(prefix, NoSuchValue);
+
+    if(indexInPrefixes == NoSuchValue)
+    {
+        indexInPrefixes = m_prefixes.count();
+        m_prefixes.append(prefix);
+        m_prefixMapping.insert(prefix, indexInPrefixes);
+    }
+
+    return indexInPrefixes;
+}
+
+QXmlName::NamespaceCode NamePool::unlockedAllocateNamespace(const QString &uri)
+{
+    int indexInURIs = m_namespaceMapping.value(uri, NoSuchValue);
+
+    if(indexInURIs == NoSuchValue)
+    {
+        indexInURIs = m_namespaces.count();
+        m_namespaces.append(uri);
+        m_namespaceMapping.insert(uri, indexInURIs);
+    }
+
+    return indexInURIs;
+}
+
+const QString &NamePool::displayPrefix(const QXmlName::NamespaceCode nc) const
+{
+    switch(nc)
+    {
+        case StandardNamespaces::xmlns: return m_prefixes.at(StandardPrefixes::xmlns);
+        case StandardNamespaces::local: return m_prefixes.at(StandardPrefixes::local);
+        case StandardNamespaces::xs:    return m_prefixes.at(StandardPrefixes::xs);
+        case StandardNamespaces::xml:   return m_prefixes.at(StandardPrefixes::xml);
+        case StandardNamespaces::fn:    return m_prefixes.at(StandardPrefixes::fn);
+        default:                        return m_prefixes.at(StandardPrefixes::empty);
+    }
+}
+
+QString NamePool::displayName(const QXmlName qName) const
+{
+    QReadLocker l(&lock);
+
+    if(qName.hasNamespace())
+    {
+        if(qName.namespaceURI() == StandardNamespaces::InternalXSLT)
+            return QLatin1Char('#') + m_localNames.at(qName.localName());
+
+        const QString &p = displayPrefix(qName.namespaceURI());
+
+        if(p.isEmpty())
+            return QLatin1Char('{') + m_namespaces.at(qName.namespaceURI()) + QLatin1Char('}') + toLexical(qName);
+        else
+            return p + QLatin1Char(':') + m_localNames.at(qName.localName());
+    }
+    else
+        return m_localNames.at(qName.localName());
+}
+
+QString NamePool::toClarkName(const QXmlName &name) const
+{
+    if(name.isNull())
+        return QLatin1String("QXmlName(null)");
+    else
+    {
+        if(name.hasNamespace())
+        {
+            const QString ns(stringForNamespace(name.namespaceURI()));
+            const QString p(stringForPrefix(name.prefix()));
+            const QString l(stringForLocalName(name.localName()));
+
+            return   QChar::fromLatin1('{')
+                   + ns
+                   + QChar::fromLatin1('}')
+                   + (p.isEmpty() ? l : p + QChar::fromLatin1(':') + l);
+        }
+        else
+            return stringForLocalName(name.localName());
+    }
+}
+
+QXmlName NamePool::fromClarkName(const QString &clarkName)
+{
+    if(clarkName.isEmpty())
+        return QXmlName();
+
+    if(clarkName.at(0) == QLatin1Char('{'))
+    {
+        const int indexOfRight = clarkName.indexOf(QLatin1Char('}'));
+        const QString qName(clarkName.right((clarkName.length() - indexOfRight) - 1));
+
+        if(!XPathHelper::isQName(qName))
+            return QXmlName();
+
+        QString localName;
+        QString prefix;
+
+        XPathHelper::splitQName(qName, prefix, localName);
+
+        return allocateQName(clarkName.mid(1, indexOfRight - 1),
+                                         localName, prefix);
+    }
+    else
+    {
+        if(QXmlName::isNCName(clarkName))
+            return allocateQName(QString(), clarkName);
+        else
+            return QXmlName();
+    }
+}
+QT_END_NAMESPACE