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117 lines
3.5 KiB
117 lines
3.5 KiB
/*============================================================================
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CMake - Cross Platform Makefile Generator
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Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
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Distributed under the OSI-approved BSD License (the "License");
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see accompanying file Copyright.txt for details.
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This software is distributed WITHOUT ANY WARRANTY; without even the
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implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the License for more information.
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============================================================================*/
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#include "cmVariableWatch.h"
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#include "cmAlgorithms.h"
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static const char* const cmVariableWatchAccessStrings[] =
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{
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"READ_ACCESS",
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"UNKNOWN_READ_ACCESS",
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"UNKNOWN_DEFINED_ACCESS",
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"MODIFIED_ACCESS",
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"REMOVED_ACCESS",
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"NO_ACCESS"
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};
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const char* cmVariableWatch::GetAccessAsString(int access_type)
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{
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if ( access_type < 0 || access_type >= cmVariableWatch::NO_ACCESS )
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{
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return "NO_ACCESS";
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}
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return cmVariableWatchAccessStrings[access_type];
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}
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cmVariableWatch::cmVariableWatch()
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{
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}
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template<typename C>
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void deleteAllSecond(typename C::value_type it)
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{
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cmDeleteAll(it.second);
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}
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cmVariableWatch::~cmVariableWatch()
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{
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std::for_each(this->WatchMap.begin(), this->WatchMap.end(),
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deleteAllSecond<cmVariableWatch::StringToVectorOfPairs>);
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}
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bool cmVariableWatch::AddWatch(const std::string& variable,
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WatchMethod method, void* client_data /*=0*/,
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DeleteData delete_data /*=0*/)
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{
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cmVariableWatch::Pair* p = new cmVariableWatch::Pair;
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p->Method = method;
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p->ClientData = client_data;
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p->DeleteDataCall = delete_data;
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cmVariableWatch::VectorOfPairs* vp = &this->WatchMap[variable];
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cmVariableWatch::VectorOfPairs::size_type cc;
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for ( cc = 0; cc < vp->size(); cc ++ )
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{
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cmVariableWatch::Pair* pair = (*vp)[cc];
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if ( pair->Method == method &&
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client_data && client_data == pair->ClientData)
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{
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// Callback already exists
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return false;
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}
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}
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vp->push_back(p);
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return true;
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}
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void cmVariableWatch::RemoveWatch(const std::string& variable,
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WatchMethod method,
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void* client_data /*=0*/)
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{
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if ( !this->WatchMap.count(variable) )
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{
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return;
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}
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cmVariableWatch::VectorOfPairs* vp = &this->WatchMap[variable];
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cmVariableWatch::VectorOfPairs::iterator it;
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for ( it = vp->begin(); it != vp->end(); ++it )
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{
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if ( (*it)->Method == method &&
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// If client_data is NULL, we want to disconnect all watches against
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// the given method; otherwise match ClientData as well.
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(!client_data || (client_data == (*it)->ClientData)))
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{
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delete *it;
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vp->erase(it);
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return;
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}
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}
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}
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void cmVariableWatch::VariableAccessed(const std::string& variable,
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int access_type,
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const char* newValue,
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const cmMakefile* mf) const
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{
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cmVariableWatch::StringToVectorOfPairs::const_iterator mit =
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this->WatchMap.find(variable);
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if ( mit != this->WatchMap.end() )
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{
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const cmVariableWatch::VectorOfPairs* vp = &mit->second;
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cmVariableWatch::VectorOfPairs::const_iterator it;
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for ( it = vp->begin(); it != vp->end(); it ++ )
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{
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(*it)->Method(variable, access_type, (*it)->ClientData,
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newValue, mf);
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}
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}
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}
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