From 120899c6980fcd81aa2a0d7b733ae15332a7a133 Mon Sep 17 00:00:00 2001
From: Tobias Hunger <tobias.hunger@qt.io>
Date: Fri, 10 Jun 2016 09:34:14 +0200
Subject: [PATCH] cmPropertyList: Add a way to retrieve all properties

---
 Source/cmPropertyMap.cxx | 12 ++++++++++++
 Source/cmPropertyMap.h   |  2 ++
 2 files changed, 14 insertions(+)

diff --git a/Source/cmPropertyMap.cxx b/Source/cmPropertyMap.cxx
index 74e04dac3..de1281ebe 100644
--- a/Source/cmPropertyMap.cxx
+++ b/Source/cmPropertyMap.cxx
@@ -15,6 +15,7 @@
 #include "cmSystemTools.h"
 #include "cmake.h"
 
+#include <algorithm>
 #include <assert.h>
 
 cmProperty* cmPropertyMap::GetOrCreateProperty(const std::string& name)
@@ -29,6 +30,17 @@ cmProperty* cmPropertyMap::GetOrCreateProperty(const std::string& name)
   return prop;
 }
 
+std::vector<std::string> cmPropertyMap::GetPropertyList() const
+{
+  std::vector<std::string> keyList;
+  for (cmPropertyMap::const_iterator i = this->begin(), e = this->end();
+       i != e; ++i) {
+    keyList.push_back(i->first);
+  }
+  std::sort(keyList.begin(), keyList.end());
+  return keyList;
+}
+
 void cmPropertyMap::SetProperty(const std::string& name, const char* value)
 {
   if (!value) {
diff --git a/Source/cmPropertyMap.h b/Source/cmPropertyMap.h
index 4e987501b..6dc7bfbbe 100644
--- a/Source/cmPropertyMap.h
+++ b/Source/cmPropertyMap.h
@@ -19,6 +19,8 @@ class cmPropertyMap : public std::map<std::string, cmProperty>
 public:
   cmProperty* GetOrCreateProperty(const std::string& name);
 
+  std::vector<std::string> GetPropertyList() const;
+
   void SetProperty(const std::string& name, const char* value);
 
   void AppendProperty(const std::string& name, const char* value,