--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/xmlpatterns/functions/qstringvaluefns_p.h Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,293 @@
+/****************************************************************************
+**
+** 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 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.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+//
+// W A R N I N G
+// -------------
+//
+// This file is not part of the Qt API. It exists purely as an
+// implementation detail. This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+
+#ifndef Patternist_StringValueFNs_H
+#define Patternist_StringValueFNs_H
+
+#include <QByteArray>
+
+#include "qfunctioncall_p.h"
+
+/**
+ * @file
+ * @short Contains classes implementing the functions found in
+ * <a href="http://www.w3.org/TR/xpath-functions/#string-value-functions">XQuery 1.0 and
+ * XPath 2.0 Functions and Operators, 7.4 Functions on AtomicString Values</a>.
+ *
+ * @ingroup Patternist_functions
+ */
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+namespace QPatternist
+{
+
+ /**
+ * @short Implements the function <tt>fn:concat()</tt>.
+ *
+ * @ingroup Patternist_functions
+ * @author Frans Englich <frans.englich@nokia.com>
+ */
+ class ConcatFN : public FunctionCall
+ {
+ public:
+ virtual Item evaluateSingleton(const DynamicContext::Ptr &context) const;
+ };
+
+ /**
+ * @short Implements the function <tt>fn:string-join()</tt>.
+ *
+ * @ingroup Patternist_functions
+ * @author Frans Englich <frans.englich@nokia.com>
+ */
+ class StringJoinFN : public FunctionCall
+ {
+ public:
+ virtual Item evaluateSingleton(const DynamicContext::Ptr &context) const;
+
+ /**
+ * Optimization: when the cardinality of the sequence of items to join
+ * cannot be two or more, we have no effect and therefore rewrite
+ * ourselves to our first operand.
+ */
+ virtual Expression::Ptr compress(const StaticContext::Ptr &context);
+ };
+
+ /**
+ * @short Implements the function <tt>fn:substring()</tt>.
+ *
+ * @ingroup Patternist_functions
+ * @author Frans Englich <frans.englich@nokia.com>
+ */
+ class SubstringFN : public FunctionCall
+ {
+ public:
+ virtual Item evaluateSingleton(const DynamicContext::Ptr &context) const;
+ };
+
+ /**
+ * @short Implements the function <tt>fn:string-length()</tt>.
+ *
+ * @ingroup Patternist_functions
+ * @author Frans Englich <frans.englich@nokia.com>
+ */
+ class StringLengthFN : public FunctionCall
+ {
+ public:
+ virtual Item evaluateSingleton(const DynamicContext::Ptr &context) const;
+ };
+
+ /**
+ * @short Implements the function <tt>fn:normalize-space()</tt>.
+ *
+ * @ingroup Patternist_functions
+ * @author Frans Englich <frans.englich@nokia.com>
+ */
+ class NormalizeSpaceFN : public FunctionCall
+ {
+ public:
+ virtual Item evaluateSingleton(const DynamicContext::Ptr &context) const;
+ };
+
+ /**
+ * @short Implements the function <tt>fn:normalize-unicode()</tt>.
+ *
+ * What perhaps can be said significant with the implementation, is that it
+ * attempts to determine the normalization form at compile time, in order to
+ * reduce string work at runtime.
+ *
+ * @ingroup Patternist_functions
+ * @author Frans Englich <frans.englich@nokia.com>
+ */
+ class NormalizeUnicodeFN : public FunctionCall
+ {
+ public:
+ /**
+ * Initializes private data.
+ */
+ NormalizeUnicodeFN();
+ virtual Item evaluateSingleton(const DynamicContext::Ptr &context) const;
+ virtual Expression::Ptr compress(const StaticContext::Ptr &context);
+
+ private:
+ int determineNormalizationForm(const DynamicContext::Ptr &context) const;
+ QString::NormalizationForm m_normForm;
+ };
+
+ /**
+ * @short Implements the function <tt>fn:upper-case()</tt>.
+ *
+ * @ingroup Patternist_functions
+ * @author Frans Englich <frans.englich@nokia.com>
+ */
+ class UpperCaseFN : public FunctionCall
+ {
+ public:
+ virtual Item evaluateSingleton(const DynamicContext::Ptr &context) const;
+ };
+
+ /**
+ * @short Implements the function <tt>fn:lower-case()</tt>.
+ *
+ * @short Implements the function <tt>fn:concat()</tt>.
+ * @ingroup Patternist_functions
+ * @author Frans Englich <frans.englich@nokia.com>
+ */
+ class LowerCaseFN : public FunctionCall
+ {
+ public:
+ virtual Item evaluateSingleton(const DynamicContext::Ptr &context) const;
+ };
+
+ /**
+ * @short Implements the function <tt>fn:translate()</tt>.
+ *
+ * @ingroup Patternist_functions
+ * @author Frans Englich <frans.englich@nokia.com>
+ */
+ class TranslateFN : public FunctionCall
+ {
+ public:
+ virtual Item evaluateSingleton(const DynamicContext::Ptr &context) const;
+ };
+
+ /**
+ * @short Provides functionality for encoding strings. Sub-classed by various
+ * function implementations.
+ *
+ * @ingroup Patternist_functions
+ * @author Frans Englich <frans.englich@nokia.com>
+ */
+ class EncodeString : public FunctionCall
+ {
+ public:
+ /**
+ * Evaluates its first operand. If it is the empty sequence, an empty string
+ * is returned. Otherwise, the item's string value is returned percent encoded
+ * as specified in this class's constructor.
+ */
+ virtual Item evaluateSingleton(const DynamicContext::Ptr &context) const;
+
+ protected:
+ /**
+ * Encodes its operand with QUrl::toPercentEncoding(), with @p includeChars as
+ * the characters to encode, and @p excludeChars as the characters to not encode.
+ */
+ EncodeString(const QByteArray &excludeChars, const QByteArray &includeChars);
+
+ private:
+ const QByteArray m_excludeChars;
+ const QByteArray m_includeChars;
+ };
+
+ /**
+ * @short Implements the function <tt>fn:encode-for-uri()</tt>.
+ *
+ * @ingroup Patternist_functions
+ * @author Frans Englich <frans.englich@nokia.com>
+ */
+ class EncodeForURIFN : public EncodeString
+ {
+ public:
+ /**
+ * Performs internal initialization.
+ */
+ EncodeForURIFN();
+
+ private:
+ static const char *const include;
+ };
+
+ /**
+ * @short Implements the function <tt>fn:iri-to-uri()</tt>.
+ *
+ * @ingroup Patternist_functions
+ * @author Frans Englich <frans.englich@nokia.com>
+ */
+ class IriToURIFN : public EncodeString
+ {
+ public:
+ /**
+ * Performs internal initialization.
+ */
+ IriToURIFN();
+
+ private:
+ static const char *const exclude;
+ };
+
+ /**
+ * @short Implements the function <tt>fn:escape-html-uri()</tt>.
+ *
+ * @ingroup Patternist_functions
+ * @author Frans Englich <frans.englich@nokia.com>
+ */
+ class EscapeHtmlURIFN : public EncodeString
+ {
+ public:
+ /**
+ * Performs internal initialization.
+ */
+ EscapeHtmlURIFN();
+
+ private:
+ static const char *const include;
+ static const char *const exclude;
+ };
+}
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif