584 lines
27 KiB
C++
584 lines
27 KiB
C++
/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2008 by Sun Microsystems, Inc.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* $RCSfile: configpath.hxx,v $
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* $Revision: 1.17 $
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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#ifndef CONFIGMGR_CONFIGPATH_HXX_
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#define CONFIGMGR_CONFIGPATH_HXX_
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#include <rtl/ustring.hxx>
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#ifndef INCLUDED_VECTOR
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#include <vector>
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#define INCLUDED_VECTOR
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#endif // INCLUDED_VECTOR
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namespace configmgr
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{
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namespace configuration
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{
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//------------------------------------------------------------------------
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using rtl::OUString;
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//------------------------------------------------------------------------
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/// A tag struct for disabling validity checking on arguments
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namespace argument { struct NoValidate {}; }
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class Name;
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class AbsolutePath;
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class RelativePath;
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//------------------------------------------------------------------------
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namespace Path { struct PackageOnly; }
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/// represents a name for a node in the configuration
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class Name
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{
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public:
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/// A dummy parameter for disabling validity checking on arguments
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typedef argument::NoValidate NoValidate;
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/// construct a Name from a String (internal use only - use creation wrapper functions)
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explicit Name(OUString const& aString, Path::PackageOnly) SAL_THROW(());
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public:
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/// construct an empty Name
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Name() SAL_THROW(()) : m_sRep() {}
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/// check whether this is an empty Name
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bool isEmpty() const SAL_THROW(()) { return m_sRep.getLength() == 0; }
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/// get a string representation of this Name
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const OUString& toString() const SAL_THROW(()) { return m_sRep; }
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public:
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// comparison operators
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// equality (== is primary)
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friend bool operator==(Name const& lhs, Name const& rhs) SAL_THROW(())
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{ return !!(lhs.m_sRep == rhs.m_sRep); }
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// comparison operators
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// ordering (< is primary)
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friend bool operator< (Name const& lhs, Name const& rhs) SAL_THROW(())
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{ return !!(lhs.m_sRep < rhs.m_sRep); }
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// hashing support
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size_t hashCode() const SAL_THROW(()) { return m_sRep.hashCode(); }
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private:
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OUString m_sRep;
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};
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//--------------------------------------------------------------------
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/** check if this is a well-formed name for a
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config Node (excluding set elements)
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*/
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bool isSimpleName(OUString const& sName) SAL_THROW(());
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/** check if this is a well-formed name for a
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config Node (excluding set elements)
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*/
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inline
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bool isSimpleName(Name const& sName) SAL_THROW(())
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{ return isSimpleName(sName.toString()); }
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/** make a <type>Name</type> out of <var>sName</var>
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without full Validation.
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*/
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Name makeName(OUString const& sName, argument::NoValidate) SAL_THROW(());
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/** make a <type>Name</type> out of <var>sName</var>,
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which should be used for a config Node (excluding set elements)
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*/
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Name makeNodeName(OUString const& sName, argument::NoValidate) SAL_THROW(());
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/** make a <type>Name</type> out of <var>sName</var>,
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which should be used for a config set elements
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*/
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Name makeElementName(OUString const& sName, argument::NoValidate) SAL_THROW(());
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/** make a <type>Name</type> out of <var>sName</var>,
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validating that it can be used for a config Node (excluding set elements)
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or template name.
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@throws InvalidName
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if the name is not valid for that purpose
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*/
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Name validateNodeName(OUString const& sName);
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/** make a <type>Name</type> out of <var>sName</var>
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validating that it can be used for a config set element
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@throws InvalidName
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if the name is not valid for that purpose
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*/
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Name validateElementName(OUString const& sName);
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//------------------------------------------------------------------------
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//------------------------------------------------------------------------
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namespace Path
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{
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//------------------------------------------------------------------------
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/// tag for disabling validity checking on arguments
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using argument::NoValidate;
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//------------------------------------------------------------------------
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class Component
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{
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/// holds the contents of this path component
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Name m_aName;
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public:
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/// construct a path component from a string, without any validation
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Component(OUString const& _sName, PackageOnly) SAL_THROW(());
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/// construct a path component from a Name, without any validation
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Component(Name const& _aName, PackageOnly) SAL_THROW(());
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/// is this component an empty name ?
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bool isEmpty() const SAL_THROW(()) { return m_aName.isEmpty(); }
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/// is this component a simple name ?
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bool isSimpleName() const SAL_THROW(());
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/// get the inner name for this component
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Name getName() const SAL_THROW(());
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/// get the embedded type name for this component (if any)
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Name getTypeName() const SAL_THROW(());
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/// get the contents of this as string (unparsed).
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OUString toPathString() const SAL_THROW(()) { return m_aName.toString(); }
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// hashing - for hash maps. compatible to equiv or matches
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size_t hashCode() const SAL_THROW(())
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{ return this->getName().hashCode(); }
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/// get the contents of this as a Name (unparsed). Use with care !
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Name const& getInternalName() const SAL_THROW(()) { return m_aName; }
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};
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//-------------------------------------------------------------------------
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/// compare taking type wildcards into account
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bool matches(Component const& lhs,Component const& rhs) SAL_THROW(());
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/// compare by inner names only
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bool before(Component const& lhs,Component const& rhs) SAL_THROW(());
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/// compare by inner names only
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bool equiv(Component const& lhs,Component const& rhs) SAL_THROW(());
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//-------------------------------------------------------------------------
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/// construct a empty path component
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Component makeEmptyComponent() SAL_THROW(());
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//-------------------------------------------------------------------------
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/// construct a path component from a name, validating it as simple name
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Component wrapSimpleName(Name const& _aName);
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/// construct a path component from a type and element name, using a wildcard if no type is available
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Component makeCompositeName(Name const& _aElementName, Name const& _aTypeName);
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//-------------------------------------------------------------------------
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/// construct a path component from a string, validating it as simple name
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Component wrapSimpleName(OUString const& _sName);
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/// construct a path component from a type and element name as strings, using a wildcard if no type is available
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Component makeCompositeName(OUString const& _sElementName, OUString const& _sTypeName);
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//-----------------------------------------------------------------------------
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/// construct a composite path component from a element name or string, using a wildcard type
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template <class NameRep>
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Component wrapElementName(NameRep const& _aElementName) SAL_THROW(())
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{
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return makeCompositeName(_aElementName, NameRep());
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}
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//-------------------------------------------------------------------------
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/// construct a path component from an arbitrary na,e or string
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template <class NameRep>
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Component wrapSafeName(NameRep const& _aName) SAL_THROW(())
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{
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return isSimpleName(_aName) ? wrapSimpleName(_aName) : wrapElementName(_aName);
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}
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//-----------------------------------------------------------------------------
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/** lower-level representation of a path within the configuration
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<p>Keeps the data in a vector of names in reverse order! </P>
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*/
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class Rep
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{
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public:
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/// a sequence of element names which make up a path
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typedef std::vector<Component> Components;
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/// a (read-only) iterator to the element names which make up a path
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typedef Components::const_reverse_iterator Iterator;
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/// a (mutating) iterator to the element names which make up a path
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typedef Components::reverse_iterator MutatingIterator;
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/// type used to specify a component count
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typedef Components::size_type size_type;
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public:
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/// construct an empty path
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Rep() SAL_THROW(()) : m_aComponents() {}
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/// construct a path consisting of a single component <var>_aName</var>
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explicit Rep(Component const& _aName) SAL_THROW(()) : m_aComponents(1,_aName) {}
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/// construct a path consisting of a path subrange
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explicit Rep(Iterator const& _first, Iterator const& _last)
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: m_aComponents(_last.base(), _first.base()) {}
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/// swap contents with another instance
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void swap(Rep& _aOther) SAL_THROW(()) { m_aComponents.swap(_aOther.m_aComponents); }
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/// modify a path by prepending <var>aName</var>
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void prepend(Component const& _aName) SAL_THROW(()) { m_aComponents.push_back(_aName); }
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/// modify a path by prepending <var>aName</var>
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void prepend(Rep const& _aOther) SAL_THROW(());
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/// get the local name (the last component of this path)
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Component const& getLocalName() const { check_not_empty(); return m_aComponents.front(); }
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/// get the next name (the first component of this path)
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Component const& getFirstName() const { check_not_empty(); return m_aComponents.back(); }
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/// set this to the remainder after the first name (drop the first component of this path)
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void dropFirstName() { check_not_empty(); m_aComponents.pop_back(); }
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/// get a /-separated string representation of this
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OUString toString(bool _bAbsolute) const SAL_THROW(());
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public:
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/// check if this is an empty path
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bool isEmpty() const SAL_THROW(()) { return m_aComponents.empty(); }
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/// Count the components of this
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size_type countComponents() const SAL_THROW(()) { return m_aComponents.size(); }
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/// Insert a component into this path
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void insertComponent(MutatingIterator _it, Component _aName)
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{ m_aComponents.insert(_it.base(),_aName); }
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/// Remove a component from this path
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void removeComponent(MutatingIterator _it) { m_aComponents.erase(_it.base()); }
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/// Remove all components from this path
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void clearComponents() SAL_THROW(()) { m_aComponents.clear(); }
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/// get a STL style iterator to the first component
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Iterator begin() const SAL_THROW(()) { return m_aComponents.rbegin(); }
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/// get a STL style iterator to after the last component
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Iterator end() const SAL_THROW(()) { return m_aComponents.rend(); }
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/// get a STL style iterator to the first component
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MutatingIterator begin_mutate() SAL_THROW(()) { return m_aComponents.rbegin(); }
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/// get a STL style iterator to after the last component
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MutatingIterator end_mutate() SAL_THROW(()) { return m_aComponents.rend(); }
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// hashing - for hash maps
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size_t hashCode() const SAL_THROW(());
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/// preflight check for operations that require a non-empty path
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void check_not_empty() const;
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private:
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Components m_aComponents;
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};
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//------------------------------------------------------------------------
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/// compare taking type wildcards into account
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bool matches(Rep const& lhs,Rep const& rhs) SAL_THROW(());
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/// compare by inner names only
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bool before(Rep const& lhs,Rep const& rhs) SAL_THROW(());
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/// compare by inner names only
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bool equiv(Rep const& lhs,Rep const& rhs) SAL_THROW(());
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//------------------------------------------------------------------------
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/// check a path for a prefix
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bool hasMatchingPrefix(Rep const& _aPath,Rep const& _aPrefix) SAL_THROW(());
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/// remove a prefix from a path. Throws InvalidName if it isn't a prefix
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Rep stripMatchingPrefix(Rep const& _aPath,Rep const& _aPrefix);
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//------------------------------------------------------------------------
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/// a (read-only) iterator to the element names which make up a path
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typedef Rep::Iterator Iterator;
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/// a (mutating) iterator to the element names which make up a path
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typedef Rep::MutatingIterator MutatingIterator;
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/// a (mutating) iterator to the element names which make up a path
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typedef Rep::size_type size_type;
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//------------------------------------------------------------------------
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/// distinguishes which kind of path is present in a string
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bool isAbsolutePath(OUString const& _sPath);
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//------------------------------------------------------------------------
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}
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//------------------------------------------------------------------------
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class RelativePath
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{
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Path::Rep m_aRep;
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public:
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/// a (read-only) iterator to the element names which make up a path
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typedef Path::Iterator Iterator;
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/// a (mutating) iterator to the element names which make up a path
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typedef Path::MutatingIterator MutatingIterator;
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public:
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// Construction
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/// construct a relative path from <var>aString</var> throwing InvalidName for parse errors
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static RelativePath parse(OUString const& _aString);
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/// construct an empty relative path
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RelativePath() SAL_THROW(()) : m_aRep() { init(); }
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/// construct a relative path having <var>aRep</var> as representation
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explicit RelativePath(Path::Rep const& _aRep)
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: m_aRep(_aRep) { init(); }
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/// CONVERSION: construct a relative path having <var>aName</var> as single component
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RelativePath(Path::Component const& _aName) SAL_THROW(());
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/// build the Path that results from appending <var>aPath</var> to this
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RelativePath compose(RelativePath const& _aPath) const SAL_THROW(());
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/// check if this is an empty path
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bool isEmpty() const SAL_THROW(()) { return m_aRep.isEmpty(); }
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/// Count the components of this
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Path::size_type getDepth() const SAL_THROW(()) { return m_aRep.countComponents(); }
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/// get the local name (the last component of this path)
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Path::Component const& getLocalName() const { return m_aRep.getLocalName(); }
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/// get the local name (the first component of this path)
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Path::Component const& getFirstName() const { return m_aRep.getFirstName(); }
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/// set this to the remainder of this path after the first name (drop the first component of this path)
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void dropFirstName() { m_aRep.dropFirstName(); }
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/// get a /-separated string representation of this
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OUString toString() const SAL_THROW(());
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public:
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// Iteration support
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/// get a STL style iterator to the first component
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Iterator begin() const SAL_THROW(()) { return m_aRep.begin(); }
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/// get a STL style iterator to after the last component
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Iterator end() const SAL_THROW(()) { return m_aRep.end(); }
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/// get a STL style iterator to the first component
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MutatingIterator begin_mutate() SAL_THROW(()) { return m_aRep.begin_mutate(); }
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/// get a STL style iterator to after the last component
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MutatingIterator end_mutate() SAL_THROW(()) { return m_aRep.end_mutate(); }
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// Direct access - 'package' visible
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/// Get a reference to (or copy of) the internal PathRep of this
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Path::Rep const& rep() const SAL_THROW(()) { return m_aRep; }
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private:
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void init();
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};
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/// compare taking type wildcards into account
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inline bool matches(RelativePath const& lhs,RelativePath const& rhs) SAL_THROW(())
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{ return Path::matches(lhs.rep(),rhs.rep()); }
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//------------------------------------------------------------------------
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class AbsolutePath
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{
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Path::Rep m_aRep;
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public:
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/// A dummy parameter for disabling validity checking on arguments
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typedef argument::NoValidate NoValidate;
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/// a (read-only) iterator to the element names which make up a path
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typedef Path::Iterator Iterator;
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/// a (mutating) iterator to the element names which make up a path
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typedef Path::MutatingIterator MutatingIterator;
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public:
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// Construction
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/// construct a absolute path from <var>aString</var> throwing InvalidName for parse errors
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static AbsolutePath parse(OUString const& _aString);
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/// construct a absolute path to a whole module (toplevel)
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static AbsolutePath makeModulePath(Name const& _aModuleName)
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{ return AbsolutePath( Path::Rep( Path::wrapSimpleName(_aModuleName) ) ); }
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/// construct a absolute path to a whole module (toplevel)
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static AbsolutePath makeModulePath(Name const& _aModuleName, NoValidate) SAL_THROW(());
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/// construct a absolute path to a whole module (toplevel) without error checking
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static AbsolutePath makeModulePath(OUString const& _aString, NoValidate) SAL_THROW(());
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/// construct an absolute path to the (virtual) hierarchy root
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static AbsolutePath root() SAL_THROW(());
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/// construct an (otherwise invalid) substitute path for the root of a free-floating node
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static AbsolutePath detachedRoot() SAL_THROW(());
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/// construct a absolute path having <var>aRep</var> as representation
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explicit AbsolutePath(Path::Rep const& _aRep) SAL_THROW(())
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: m_aRep(_aRep) { init(); }
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/// build the absolute path that results from appending <var>aPath</var> to this
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AbsolutePath compose(RelativePath const& _aPath) const SAL_THROW(());
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/// build the absolute path that results from removing the last component of this
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AbsolutePath getParentPath() const;
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/// check if this is the path to the (imaginary) root node
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bool isRoot() const SAL_THROW(()) { return m_aRep.isEmpty(); }
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#if OSL_DEBUG_LEVEL > 0
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/// check if this is a path to a detached node
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bool isDetached() const SAL_THROW(());
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#endif
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/// get the local name (the last component of this path)
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Path::Component const& getLocalName() const { return m_aRep.getLocalName(); }
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Name const & getModuleName() const { return m_aRep.getFirstName().getInternalName(); }
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/// get a /-separated string representation of this
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OUString toString() const SAL_THROW(());
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/// Count the components of this
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Path::size_type getDepth() const SAL_THROW(()) { return m_aRep.countComponents(); }
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public:
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// Iteration support
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/// get a STL style iterator to the first component
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Iterator begin() const SAL_THROW(()) { return m_aRep.begin(); }
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/// get a STL style iterator to after the last component
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Iterator end() const SAL_THROW(()) { return m_aRep.end(); }
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/// get a STL style iterator to the first component
|
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MutatingIterator begin_mutate() SAL_THROW(()) { return m_aRep.begin_mutate(); }
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/// get a STL style iterator to after the last component
|
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MutatingIterator end_mutate() SAL_THROW(()) { return m_aRep.end_mutate(); }
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// Direct access - 'package' visible
|
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/// Get a reference to (or copy of) the internal PathRep of this
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Path::Rep const& rep() const SAL_THROW(()) { return m_aRep; }
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private:
|
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void init() SAL_THROW(());
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};
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/// compare taking type wildcards into account
|
|
inline bool matches(AbsolutePath const& lhs,AbsolutePath const& rhs) SAL_THROW(())
|
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{ return Path::matches(lhs.rep(),rhs.rep()); }
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//------------------------------------------------------------------------
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// Derived comparison operator implementations
|
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//------------------------------------------------------------------------
|
|
inline bool operator!=(Name const& lhs, Name const& rhs) SAL_THROW(())
|
|
{ return !(lhs == rhs); }
|
|
//--------------------------------------------------------------------
|
|
inline bool operator<=(Name const& lhs, Name const& rhs) SAL_THROW(())
|
|
{ return !(rhs < lhs); }
|
|
inline bool operator> (Name const& lhs, Name const& rhs) SAL_THROW(())
|
|
{ return rhs < lhs; }
|
|
inline bool operator>=(Name const& lhs, Name const& rhs) SAL_THROW(())
|
|
{ return !(lhs < rhs); }
|
|
//------------------------------------------------------------------------
|
|
|
|
namespace Path
|
|
{
|
|
//------------------------------------------------------------------------
|
|
template <class PathClass>
|
|
bool hasPrefix(PathClass const& _aPath, PathClass const& _aPrefix) SAL_THROW(())
|
|
{
|
|
return hasMatchingPrefix(_aPath.rep(),_aPrefix.rep() );
|
|
}
|
|
//------------------------------------------------------------------------
|
|
|
|
template <class PathClass>
|
|
RelativePath stripPrefix(PathClass const& _aPath, PathClass const& _aPrefix)
|
|
{
|
|
return RelativePath( stripMatchingPrefix(_aPath.rep(),_aPrefix.rep()) );
|
|
}
|
|
//------------------------------------------------------------------------
|
|
|
|
// STL Helpers
|
|
//------------------------------------------------------------------------
|
|
|
|
/// a weak strict ordering considering only the name part
|
|
struct Before
|
|
{
|
|
bool operator()(Component const& lhs, Component const& rhs) const SAL_THROW(())
|
|
{ return before(lhs,rhs); }
|
|
bool operator()(Rep const& lhs, Rep const& rhs) const SAL_THROW(())
|
|
{ return before(lhs,rhs); }
|
|
bool operator()(AbsolutePath const& lhs, AbsolutePath const& rhs) const SAL_THROW(())
|
|
{ return before(lhs.rep(),rhs.rep()); }
|
|
bool operator()(RelativePath const& lhs, RelativePath const& rhs) const SAL_THROW(())
|
|
{ return before(lhs.rep(),rhs.rep()); }
|
|
};
|
|
//------------------------------------------------------------------------
|
|
|
|
/// an equality relation considering only the name part (compatible to Before)
|
|
struct Equiv
|
|
{
|
|
bool operator()(Component const& lhs, Component const& rhs) const SAL_THROW(())
|
|
{ return equiv(lhs,rhs); }
|
|
bool operator()(Rep const& lhs, Rep const& rhs) const SAL_THROW(())
|
|
{ return equiv(lhs,rhs); }
|
|
bool operator()(AbsolutePath const& lhs, AbsolutePath const& rhs) const SAL_THROW(())
|
|
{ return equiv(lhs.rep(),rhs.rep()); }
|
|
bool operator()(RelativePath const& lhs, RelativePath const& rhs) const SAL_THROW(())
|
|
{ return equiv(lhs.rep(),rhs.rep()); }
|
|
};
|
|
//------------------------------------------------------------------------
|
|
|
|
/// a hash generator (compatible to Equiv and Before)
|
|
struct Hash
|
|
{
|
|
size_t operator()(Component const& _aObject) const SAL_THROW(())
|
|
{ return _aObject.hashCode(); }
|
|
size_t operator()(Rep const& _aObject) const SAL_THROW(())
|
|
{ return _aObject.hashCode(); }
|
|
size_t operator()(AbsolutePath const& _aObject) const SAL_THROW(())
|
|
{ return _aObject.rep().hashCode(); }
|
|
size_t operator()(RelativePath const& _aObject) const SAL_THROW(())
|
|
{ return _aObject.rep().hashCode(); }
|
|
};
|
|
//------------------------------------------------------------------------
|
|
/// a binary predicate that is not (!) an equivalence relation
|
|
|
|
struct Matches
|
|
{
|
|
bool operator()(Component const& lhs, Component const& rhs) const SAL_THROW(())
|
|
{ return matches(lhs,rhs); }
|
|
bool operator()(Rep const& lhs, Rep const& rhs) const SAL_THROW(())
|
|
{ return matches(lhs,rhs); }
|
|
bool operator()(AbsolutePath const& lhs, AbsolutePath const& rhs) const SAL_THROW(())
|
|
{ return matches(lhs.rep(),rhs.rep()); }
|
|
bool operator()(RelativePath const& lhs, RelativePath const& rhs) const SAL_THROW(())
|
|
{ return matches(lhs.rep(),rhs.rep()); }
|
|
};
|
|
//------------------------------------------------------------------------
|
|
}
|
|
//------------------------------------------------------------------------
|
|
}
|
|
}
|
|
|
|
#endif // CONFIGMGR_CONFIGNAME_HXX_
|