mirror of
https://github.com/Telecominfraproject/wlan-cloud-lib-poco.git
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46c3d74c5f
1) Recursive and SortedDirectoryIterator - added to VS projects - fixed some style/formatting - fxed windows tests 2) Added ListMap Poco::ListMap is a std::mulitimap-like container that preserves insertion order (needed to prevent Net message headers)
134 lines
3.3 KiB
C++
134 lines
3.3 KiB
C++
//
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// RecursiveDirectoryIteratorImpl.h
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//
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// $Id$
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//
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// Library: Foundation
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// Package: Filesystem
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// Module: RecursiveDirectoryIterator
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//
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// Definition of the RecursiveDirectoryIteratorImpl class.
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//
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// Copyright (c) 2012, Applied Informatics Software Engineering GmbH.
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// and Contributors.
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//
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// Permission is hereby granted, free of charge, to any person or organization
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// obtaining a copy of the software and accompanying documentation covered by
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// this license (the "Software") to use, reproduce, display, distribute,
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// execute, and transmit the Software, and to prepare derivative works of the
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// Software, and to permit third-parties to whom the Software is furnished to
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// do so, all subject to the following:
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//
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// The copyright notices in the Software and this entire statement, including
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// the above license grant, this restriction and the following disclaimer,
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// must be included in all copies of the Software, in whole or in part, and
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// all derivative works of the Software, unless such copies or derivative
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// works are solely in the form of machine-executable object code generated by
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// a source language processor.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
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// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
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// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
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// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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//
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#ifndef Foundation_RecursiveDirectoryIteratorImpl_INCLUDE
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#define Foundation_RecursiveDirectoryIteratorImpl_INCLUDE
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#include "Poco/Foundation.h"
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#include "Poco/DirectoryIteratorStrategy.h"
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#include <stack>
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#include <functional>
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namespace Poco {
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class ChildrenFirstTraverse;
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class SiblingsFirstTraverse;
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template<class TTraverseStrategy = ChildrenFirstTraverse>
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class RecursiveDirectoryIteratorImpl
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{
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public:
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enum
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{
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D_INFINITE = 0
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};
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/// Constant for infinite traverse depth.
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RecursiveDirectoryIteratorImpl(const std::string& path, UInt16 maxDepth = D_INFINITE)
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: _maxDepth(maxDepth), _traverseStrategy(std::ptr_fun(depthFun), _maxDepth), _isFinished(false), _rc(1)
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{
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_itStack.push(DirectoryIterator(path));
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_current = _itStack.top()->path();
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}
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~RecursiveDirectoryIteratorImpl()
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{
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}
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inline void duplicate()
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{
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++_rc;
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}
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inline void release()
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{
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if (--_rc == 0)
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delete this;
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}
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inline UInt16 depth() const
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{
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return depthFun(_itStack);
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}
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inline UInt16 maxDepth() const
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{
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return _maxDepth;
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}
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inline const std::string& get() const
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{
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return _current;
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}
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const std::string& next()
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{
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if (_isFinished)
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return _current;
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_current = _traverseStrategy.next(&_itStack, &_isFinished);
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return _current;
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}
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private:
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typedef std::stack<DirectoryIterator> Stack;
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static UInt16 depthFun(const Stack& stack)
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/// Function which implements the logic of determining
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/// recursion depth.
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{
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return stack.size();
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}
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UInt16 _maxDepth;
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TTraverseStrategy _traverseStrategy;
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bool _isFinished;
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Stack _itStack;
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std::string _current;
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int _rc;
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};
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} // namespace Poco
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#endif // Foundation_RecursiveDirectoryIteratorImpl_INCLUDE
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