98 lines
3.0 KiB
C++
98 lines
3.0 KiB
C++
/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
|
|
file Copyright.txt or https://cmake.org/licensing for details. */
|
|
#include "cmVariableWatch.h"
|
|
|
|
#include "cmAlgorithms.h"
|
|
|
|
#include <algorithm>
|
|
#include <cm_auto_ptr.hxx>
|
|
#include <utility>
|
|
|
|
static const char* const cmVariableWatchAccessStrings[] = {
|
|
"READ_ACCESS", "UNKNOWN_READ_ACCESS", "UNKNOWN_DEFINED_ACCESS",
|
|
"MODIFIED_ACCESS", "REMOVED_ACCESS", "NO_ACCESS"
|
|
};
|
|
|
|
const char* cmVariableWatch::GetAccessAsString(int access_type)
|
|
{
|
|
if (access_type < 0 || access_type >= cmVariableWatch::NO_ACCESS) {
|
|
return "NO_ACCESS";
|
|
}
|
|
return cmVariableWatchAccessStrings[access_type];
|
|
}
|
|
|
|
cmVariableWatch::cmVariableWatch()
|
|
{
|
|
}
|
|
|
|
template <typename C>
|
|
void deleteAllSecond(typename C::value_type it)
|
|
{
|
|
cmDeleteAll(it.second);
|
|
}
|
|
|
|
cmVariableWatch::~cmVariableWatch()
|
|
{
|
|
std::for_each(this->WatchMap.begin(), this->WatchMap.end(),
|
|
deleteAllSecond<cmVariableWatch::StringToVectorOfPairs>);
|
|
}
|
|
|
|
bool cmVariableWatch::AddWatch(const std::string& variable, WatchMethod method,
|
|
void* client_data /*=0*/,
|
|
DeleteData delete_data /*=0*/)
|
|
{
|
|
CM_AUTO_PTR<cmVariableWatch::Pair> p(new cmVariableWatch::Pair);
|
|
p->Method = method;
|
|
p->ClientData = client_data;
|
|
p->DeleteDataCall = delete_data;
|
|
cmVariableWatch::VectorOfPairs* vp = &this->WatchMap[variable];
|
|
cmVariableWatch::VectorOfPairs::size_type cc;
|
|
for (cc = 0; cc < vp->size(); cc++) {
|
|
cmVariableWatch::Pair* pair = (*vp)[cc];
|
|
if (pair->Method == method && client_data &&
|
|
client_data == pair->ClientData) {
|
|
// Callback already exists
|
|
return false;
|
|
}
|
|
}
|
|
vp->push_back(p.release());
|
|
return true;
|
|
}
|
|
|
|
void cmVariableWatch::RemoveWatch(const std::string& variable,
|
|
WatchMethod method, void* client_data /*=0*/)
|
|
{
|
|
if (!this->WatchMap.count(variable)) {
|
|
return;
|
|
}
|
|
cmVariableWatch::VectorOfPairs* vp = &this->WatchMap[variable];
|
|
cmVariableWatch::VectorOfPairs::iterator it;
|
|
for (it = vp->begin(); it != vp->end(); ++it) {
|
|
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);
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
bool cmVariableWatch::VariableAccessed(const std::string& variable,
|
|
int access_type, const char* newValue,
|
|
const cmMakefile* mf) const
|
|
{
|
|
cmVariableWatch::StringToVectorOfPairs::const_iterator mit =
|
|
this->WatchMap.find(variable);
|
|
if (mit != this->WatchMap.end()) {
|
|
const cmVariableWatch::VectorOfPairs* vp = &mit->second;
|
|
cmVariableWatch::VectorOfPairs::const_iterator it;
|
|
for (it = vp->begin(); it != vp->end(); it++) {
|
|
(*it)->Method(variable, access_type, (*it)->ClientData, newValue, mf);
|
|
}
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|