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cmPropertyMap: Use std::unordered_map as container instead of std::map

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This commit is contained in:
Sebastian Holtermann 2019-06-03 10:29:12 +02:00
parent 1b945f95ba
commit 00d265e3c8
2 changed files with 14 additions and 3 deletions
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9
Source/cmPropertyMap.cxx
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@ -2,6 +2,7 @@
file Copyright.txt or https://cmake.org/licensing for details. */
#include "cmPropertyMap.h"
#include <algorithm>
#include <utility>
void cmPropertyMap::Clear()
@ -59,15 +60,21 @@ std::vector<std::string> cmPropertyMap::GetKeys() const
for (auto const& item : Map_) {
keyList.push_back(item.first);
}
std::sort(keyList.begin(), keyList.end());
return keyList;
}
std::vector<std::pair<std::string, std::string>> cmPropertyMap::GetList() const
{
std::vector<std::pair<std::string, std::string>> kvList;
typedef std::pair<std::string, std::string> StringPair;
std::vector<StringPair> kvList;
kvList.reserve(Map_.size());
for (auto const& item : Map_) {
kvList.emplace_back(item.first, item.second);
}
std::sort(kvList.begin(), kvList.end(),
[](StringPair const& a, StringPair const& b) {
return a.first < b.first;
});
return kvList;
}

8
Source/cmPropertyMap.h
View File

@ -5,11 +5,14 @@
#include "cmConfigure.h" // IWYU pragma: keep
#include <map>
#include <string>
#include <unordered_map>
#include <utility>
#include <vector>
/** \class cmPropertyMap
* \brief String property map.
*/
class cmPropertyMap
{
public:
@ -34,6 +37,7 @@ public:
void RemoveProperty(const std::string& name);
// -- Lists
//! Get a sorted list of property keys
std::vector<std::string> GetKeys() const;
@ -41,7 +45,7 @@ public:
std::vector<std::pair<std::string, std::string>> GetList() const;
private:
std::map<std::string, std::string> Map_;
std::unordered_map<std::string, std::string> Map_;
};
#endif