summaryrefslogtreecommitdiffstats
path: root/src/xmlpatterns/parser/qtokensource_p.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/xmlpatterns/parser/qtokensource_p.h')
-rw-r--r--src/xmlpatterns/parser/qtokensource_p.h169
1 files changed, 169 insertions, 0 deletions
diff --git a/src/xmlpatterns/parser/qtokensource_p.h b/src/xmlpatterns/parser/qtokensource_p.h
new file mode 100644
index 0000000..41b7be6
--- /dev/null
+++ b/src/xmlpatterns/parser/qtokensource_p.h
@@ -0,0 +1,169 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (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 either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@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_TokenSource_H
+#define Patternist_TokenSource_H
+
+#include "qatomiccomparator_p.h"
+#include "qatomicmathematician_p.h"
+#include "qcombinenodes_p.h"
+#include "qfunctionargument_p.h"
+#include "qitem_p.h"
+#include "qitemtype_p.h"
+#include "qorderby_p.h"
+#include "qpath_p.h"
+#include "qquerytransformparser_p.h"
+#include "qvalidate_p.h"
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+template<typename T> class QQueue;
+
+namespace QPatternist
+{
+ /**
+ * @short A union of all the enums the parser uses.
+ */
+ union EnumUnion
+ {
+ AtomicComparator::Operator valueOperator;
+ AtomicMathematician::Operator mathOperator;
+ CombineNodes::Operator combinedNodeOp;
+ QXmlNodeModelIndex::Axis axis;
+ QXmlNodeModelIndex::DocumentOrder nodeOperator;
+ StaticContext::BoundarySpacePolicy boundarySpacePolicy;
+ StaticContext::ConstructionMode constructionMode;
+ StaticContext::OrderingEmptySequence orderingEmptySequence;
+ StaticContext::OrderingMode orderingMode;
+ OrderBy::OrderSpec::Direction sortDirection;
+ Validate::Mode validationMode;
+ VariableSlotID slot;
+ int tokenizerPosition;
+ qint16 zeroer;
+ bool Bool;
+ xsDouble Double;
+ Path::Kind pathKind;
+ };
+
+ /**
+ * @short Base class for components that needs to return tokens.
+ *
+ * TokenSource represents a stream of Token instances. The end
+ * is reached when readNext() returns a Token constructed with
+ * END_OF_FILE.
+ *
+ * @see <a href="http://www.w3.org/TR/xquery-xpath-parsing/">Building a
+ * Tokenizer for XPath or XQuery</a>
+ * @author Frans Englich <fenglich@trolltech.com>
+ */
+ class TokenSource : public QSharedData
+ {
+ public:
+ /**
+ * typedef for the enum Bison generates that contains
+ * the token symbols.
+ */
+ typedef yytokentype TokenType;
+
+ /**
+ * Represents a token by carrying its name and value.
+ */
+ class Token
+ {
+ public:
+ /**
+ * Constructs an invalid Token. This default constructor
+ * is need in Qt's container classes.
+ */
+ inline Token() {}
+ inline Token(const TokenType t) : type(t) {}
+ inline Token(const TokenType t, const QString &val) : type(t), value(val) {}
+
+ bool hasError() const
+ {
+ return type == ERROR;
+ }
+
+ TokenType type;
+ QString value;
+ };
+
+ typedef QExplicitlySharedDataPointer<TokenSource> Ptr;
+ typedef QQueue<Ptr> Queue;
+
+ /**
+ * The C++ compiler cannot synthesize it when we use the
+ * Q_DISABLE_COPY() macro.
+ */
+ inline TokenSource()
+ {
+ }
+
+ virtual ~TokenSource();
+
+ /**
+ * @returns the next token.
+ */
+
+ virtual Token nextToken(YYLTYPE *const sourceLocator) = 0;
+
+ private:
+ Q_DISABLE_COPY(TokenSource)
+ };
+}
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif