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212 lines
7.6 KiB
C++
212 lines
7.6 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd.
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** Contact: http://www.qt.io/licensing/
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**
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** This file is part of the QtXmlPatterns module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL21$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see http://www.qt.io/terms-conditions. For further
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** information use the contact form at http://www.qt.io/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 or version 3 as published by the Free
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** Software Foundation and appearing in the file LICENSE.LGPLv21 and
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** LICENSE.LGPLv3 included in the packaging of this file. Please review the
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** following information to ensure the GNU Lesser General Public License
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** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** As a special exception, The Qt Company gives you certain additional
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** rights. These rights are described in The Qt Company LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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//
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// W A R N I N G
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// -------------
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//
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// This file is not part of the Qt API. It exists purely as an
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// implementation detail. This header file may change from version to
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// version without notice, or even be removed.
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//
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// We mean it.
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#ifndef Patternist_XsdAttributeUse_H
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#define Patternist_XsdAttributeUse_H
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#include <private/qxsdattribute_p.h>
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#include <private/qxsdattributeterm_p.h>
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#include <QtCore/QList>
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QT_BEGIN_NAMESPACE
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namespace QPatternist
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{
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/**
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* @short Represents a XSD attribute use object.
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*
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* This class represents the <em>attribute use</em> object of a XML schema as described
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* <a href="http://www.w3.org/TR/xmlschema11-1/#cAttributeUse">here</a>.
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*
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* It contains information from a local attribute declaration (as child of <em>complexType</em>
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* or <em>attributeGroup</em> object).
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*
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* All other occurrences of the <em>attribute</em> object are represented by the XsdAttribute class.
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*
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* @see <a href="http://www.w3.org/Submission/2004/SUBM-xmlschema-api-20040309/xml-schema-api.html#Interface-XSAttributeUse">XML Schema API reference</a>
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* @ingroup Patternist_schema
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* @author Tobias Koenig <tobias.koenig@nokia.com>
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*/
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class XsdAttributeUse : public XsdAttributeTerm
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{
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public:
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typedef QExplicitlySharedDataPointer<XsdAttributeUse> Ptr;
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typedef QList<XsdAttributeUse::Ptr> List;
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/**
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* Describes the value constraint of an attribute use.
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*
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* @see <a href="http://www.w3.org/TR/xmlschema11-1/#vc_au">Value Constraint Definition</a>
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*/
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class ValueConstraint : public QSharedData
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{
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public:
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typedef QExplicitlySharedDataPointer<ValueConstraint> Ptr;
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/**
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* Describes the <a href="http://www.w3.org/TR/xmlschema11-1/#au-value_constraint">value constraint</a> of an attribute use.
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*/
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enum Variety
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{
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Default, ///< The attribute use has a default value set.
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Fixed ///< The attribute use has a fixed value set.
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};
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/**
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* Sets the @p variety of the attribute use value constraint.
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*/
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void setVariety(Variety variety);
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/**
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* Returns the variety of the attribute use value constraint.
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*/
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Variety variety() const;
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/**
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* Sets the @p value of the constraint.
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*/
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void setValue(const QString &value);
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/**
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* Returns the value of the constraint.
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*/
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QString value() const;
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/**
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* Sets the lexical @p form of the constraint.
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*/
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void setLexicalForm(const QString &form);
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/**
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* Returns the lexical form of the constraint.
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*/
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QString lexicalForm() const;
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/**
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* Creates a new value constraint from a XsdAttribute::ValueConstraint.
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*/
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static ValueConstraint::Ptr fromAttributeValueConstraint(const XsdAttribute::ValueConstraint::Ptr &constraint);
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private:
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Variety m_variety;
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QString m_value;
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QString m_lexicalForm;
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};
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/**
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* Describes the use type of the attribute use.
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*/
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enum UseType
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{
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OptionalUse, ///< The attribute can be there but doesn't need to.
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RequiredUse, ///< The attribute must be there.
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ProhibitedUse ///< The attribute is not allowed to be there.
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};
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/**
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* Creates a new attribute use object.
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*/
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XsdAttributeUse();
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/**
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* Always returns true, used to avoid dynamic casts.
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*/
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virtual bool isAttributeUse() const;
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/**
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* Sets the use @p type of the attribute use.
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*
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* @see UseType
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*/
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void setUseType(UseType type);
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/**
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* Returns the use type of the attribute use.
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*/
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UseType useType() const;
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/**
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* Returns whether the attribute use is required.
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*
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* @see <a href="http://www.w3.org/TR/xmlschema11-1/#au-required">Required Definition</a>
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*/
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bool isRequired() const;
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/**
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* Sets the @p attribute the attribute use is referring to.
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* That is either a local definition as child of a complexType
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* or attributeGroup object, or a reference defined by the
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* 'ref' attribute.
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*
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* @see <a href="http://www.w3.org/TR/xmlschema11-1/#au-attribute_declaration">Attribute Declaration</a>
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*/
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void setAttribute(const XsdAttribute::Ptr &attribute);
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/**
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* Returns the attribute the attribute use is referring to.
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*/
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XsdAttribute::Ptr attribute() const;
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/**
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* Sets the value @p constraint of the attribute use.
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*
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* @see http://www.w3.org/TR/xmlschema11-1/#vc_au
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*/
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void setValueConstraint(const ValueConstraint::Ptr &constraint);
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/**
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* Returns the value constraint of the attribute use.
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*/
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ValueConstraint::Ptr valueConstraint() const;
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private:
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UseType m_useType;
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XsdAttribute::Ptr m_attribute;
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ValueConstraint::Ptr m_valueConstraint;
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};
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}
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QT_END_NAMESPACE
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#endif
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