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299 lines
7.8 KiB
C++
299 lines
7.8 KiB
C++
//
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// AttributesImpl.h
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//
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// $Id: //poco/1.4/XML/include/Poco/SAX/AttributesImpl.h#1 $
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//
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// Library: XML
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// Package: SAX
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// Module: SAX
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//
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// Implementation of the SAX2 Attributes Interface.
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//
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// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
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// and Contributors.
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//
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// SPDX-License-Identifier: BSL-1.0
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//
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#ifndef SAX_AttributesImpl_INCLUDED
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#define SAX_AttributesImpl_INCLUDED
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#include "Poco/XML/XML.h"
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#include "Poco/SAX/Attributes.h"
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#include <vector>
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namespace Poco {
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namespace XML {
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class XML_API AttributesImpl: public Attributes
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/// This class provides a default implementation of the SAX2 Attributes interface,
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/// with the addition of manipulators so that the list can be modified or reused.
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///
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/// There are two typical uses of this class:
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/// 1. to take a persistent snapshot of an Attributes object in a startElement event; or
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/// 2. to construct or modify an Attributes object in a SAX2 driver or filter.
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{
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public:
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struct Attribute
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{
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XMLString localName;
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XMLString namespaceURI;
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XMLString qname;
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XMLString value;
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XMLString type;
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bool specified;
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};
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typedef std::vector<Attribute> AttributeVec;
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typedef AttributeVec::const_iterator iterator;
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AttributesImpl();
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/// Creates the AttributesImpl.
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AttributesImpl(const Attributes& attributes);
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/// Creates the AttributesImpl by copying another one.
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AttributesImpl(const AttributesImpl& attributes);
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/// Creates the AttributesImpl by copying another one.
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~AttributesImpl();
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/// Destroys the AttributesImpl.
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AttributesImpl& operator = (const AttributesImpl& attributes);
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/// Assignment operator.
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int getIndex(const XMLString& name) const;
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int getIndex(const XMLString& namespaceURI, const XMLString& localName) const;
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int getLength() const;
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const XMLString& getLocalName(int i) const;
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const XMLString& getQName(int i) const;
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const XMLString& getType(int i) const;
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const XMLString& getType(const XMLString& qname) const;
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const XMLString& getType(const XMLString& namespaceURI, const XMLString& localName) const;
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const XMLString& getValue(int i) const;
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const XMLString& getValue(const XMLString& qname) const;
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const XMLString& getValue(const XMLString& namespaceURI, const XMLString& localName) const;
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const XMLString& getURI(int i) const;
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bool isSpecified(int i) const;
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/// Returns true unless the attribute value was provided by DTD defaulting.
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/// Extension from Attributes2 interface.
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bool isSpecified(const XMLString& qname) const;
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/// Returns true unless the attribute value was provided by DTD defaulting.
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/// Extension from Attributes2 interface.
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bool isSpecified(const XMLString& namespaceURI, const XMLString& localName) const;
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/// Returns true unless the attribute value was provided by DTD defaulting.
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/// Extension from Attributes2 interface.
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void setValue(int i, const XMLString& value);
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/// Sets the value of an attribute.
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void setValue(const XMLString& qname, const XMLString& value);
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/// Sets the value of an attribute.
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void setValue(const XMLString& namespaceURI, const XMLString& localName, const XMLString& value);
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/// Sets the value of an attribute.
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void setAttributes(const Attributes& attributes);
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/// Copies the attributes from another Attributes object.
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void setAttribute(int i, const XMLString& namespaceURI, const XMLString& localName, const XMLString& qname, const XMLString& type, const XMLString& value);
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/// Sets an attribute.
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void addAttribute(const XMLString& namespaceURI, const XMLString& localName, const XMLString& qname, const XMLString& type, const XMLString& value);
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/// Adds an attribute to the end of the list.
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void addAttribute(const XMLString& namespaceURI, const XMLString& localName, const XMLString& qname, const XMLString& type, const XMLString& value, bool specified);
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/// Adds an attribute to the end of the list.
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void addAttribute(const XMLChar* namespaceURI, const XMLChar* localName, const XMLChar* qname, const XMLChar* type, const XMLChar* value, bool specified);
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/// Adds an attribute to the end of the list.
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Attribute& addAttribute();
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/// Add an (empty) attribute to the end of the list.
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/// For internal use only.
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/// The returned Attribute element must be filled by the caller.
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void removeAttribute(int i);
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/// Removes an attribute.
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void removeAttribute(const XMLString& qname);
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/// Removes an attribute.
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void removeAttribute(const XMLString& namespaceURI, const XMLString& localName);
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/// Removes an attribute.
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void clear();
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/// Removes all attributes.
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void reserve(std::size_t capacity);
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/// Reserves capacity in the internal vector.
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void setLocalName(int i, const XMLString& localName);
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/// Sets the local name of an attribute.
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void setQName(int i, const XMLString& qname);
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/// Sets the qualified name of an attribute.
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void setType(int i, const XMLString& type);
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/// Sets the type of an attribute.
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void setURI(int i, const XMLString& namespaceURI);
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/// Sets the namespace URI of an attribute.
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iterator begin() const;
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/// Iterator support.
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iterator end() const;
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/// Iterator support.
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protected:
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Attribute* find(const XMLString& qname) const;
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Attribute* find(const XMLString& namespaceURI, const XMLString& localName) const;
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private:
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AttributeVec _attributes;
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Attribute _empty;
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};
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//
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// inlines
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//
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inline AttributesImpl::iterator AttributesImpl::begin() const
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{
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return _attributes.begin();
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}
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inline AttributesImpl::iterator AttributesImpl::end() const
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{
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return _attributes.end();
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}
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inline AttributesImpl::Attribute& AttributesImpl::addAttribute()
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{
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_attributes.push_back(_empty);
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return _attributes.back();
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}
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inline int AttributesImpl::getLength() const
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{
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return (int) _attributes.size();
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}
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inline const XMLString& AttributesImpl::getLocalName(int i) const
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{
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poco_assert (0 <= i && i < static_cast<int>(_attributes.size()));
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return _attributes[i].localName;
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}
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inline const XMLString& AttributesImpl::getQName(int i) const
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{
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poco_assert (0 <= i && i < static_cast<int>(_attributes.size()));
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return _attributes[i].qname;
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}
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inline const XMLString& AttributesImpl::getType(int i) const
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{
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poco_assert (0 <= i && i < static_cast<int>(_attributes.size()));
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return _attributes[i].type;
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}
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inline const XMLString& AttributesImpl::getType(const XMLString& qname) const
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{
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Attribute* pAttr = find(qname);
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if (pAttr)
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return pAttr->type;
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else
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return _empty.type;
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}
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inline const XMLString& AttributesImpl::getType(const XMLString& namespaceURI, const XMLString& localName) const
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{
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Attribute* pAttr = find(namespaceURI, localName);
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if (pAttr)
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return pAttr->type;
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else
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return _empty.type;
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}
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inline const XMLString& AttributesImpl::getValue(int i) const
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{
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poco_assert (0 <= i && i < static_cast<int>(_attributes.size()));
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return _attributes[i].value;
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}
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inline const XMLString& AttributesImpl::getValue(const XMLString& qname) const
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{
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Attribute* pAttr = find(qname);
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if (pAttr)
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return pAttr->value;
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else
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return _empty.value;
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}
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inline const XMLString& AttributesImpl::getValue(const XMLString& namespaceURI, const XMLString& localName) const
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{
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Attribute* pAttr = find(namespaceURI, localName);
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if (pAttr)
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return pAttr->value;
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else
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return _empty.value;
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}
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inline const XMLString& AttributesImpl::getURI(int i) const
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{
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poco_assert (0 <= i && i < static_cast<int>(_attributes.size()));
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return _attributes[i].namespaceURI;
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}
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inline bool AttributesImpl::isSpecified(int i) const
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{
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poco_assert (0 <= i && i < static_cast<int>(_attributes.size()));
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return _attributes[i].specified;
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}
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inline bool AttributesImpl::isSpecified(const XMLString& qname) const
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{
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Attribute* pAttr = find(qname);
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if (pAttr)
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return pAttr->specified;
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else
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return false;
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}
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inline bool AttributesImpl::isSpecified(const XMLString& namespaceURI, const XMLString& localName) const
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{
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Attribute* pAttr = find(namespaceURI, localName);
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if (pAttr)
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return pAttr->specified;
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else
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return false;
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}
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} } // namespace Poco::XML
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#endif // SAX_AttributesImpl_INCLUDED
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