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variable_watch: Allow specifying the data to match in RemoveWatch 

Now that watches are dependent on their client_data when adding, it also
makes sense to allow matching the data for removal.
This commit is contained in:
Ben Boeckel 2013-08-06 14:12:54 -04:00 committed by Brad King
parent e43e207c7b
commit 34b397e8de
2 changed files with 8 additions and 3 deletions
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8
Source/cmVariableWatch.cxx
View File

@ -77,13 +77,17 @@ bool cmVariableWatch::AddWatch(const std::string& variable,
}
void cmVariableWatch::RemoveWatch(const std::string& variable,
WatchMethod method)
WatchMethod method,
void* client_data /*=0*/)
{
cmVariableWatch::VectorOfPairs* vp = &this->WatchMap[variable];
cmVariableWatch::VectorOfPairs::iterator it;
for ( it = vp->begin(); it != vp->end(); ++it )
{
if ( (*it)->Method == method )
if ( (*it)->Method == method &&
// If client_data is NULL, we want to disconnect all watches against
// the given method; otherwise match ClientData as well.
(!client_data || (client_data == (*it)->ClientData)))
{
delete *it;
vp->erase(it);

3
Source/cmVariableWatch.h
View File

@ -36,7 +36,8 @@ public:
*/
bool AddWatch(const std::string& variable, WatchMethod method,
void* client_data=0, DeleteData delete_data=0);
void RemoveWatch(const std::string& variable, WatchMethod method);
void RemoveWatch(const std::string& variable, WatchMethod method,
void* client_data=0);
/**
* This method is called when variable is accessed