Adding contains() method

Author: whart222

Diff for: lib/coek/coek/util/DataPortal.cpp

@@ -732,4 +732,14 @@ std::string DataPortalRepn::to_string(unsigned int indent)
 #endif
 }
 
+bool DataPortalRepn::contains(const std::string& name)
+{
+#if __cplusplus >= 202002L
+    return parameter_data.contains(name) || indexed_parameter_data.contains(name) || set_data.contains(name) || indexed_set_data.contains(name);
+#else
+    return parameter_data.count(name) + indexed_parameter_data.count(name) + set_data.count(name) + indexed_set_data.count(name) > 0;
+#endif
+return false;
+}
+
 }  // namespace coek

Diff for: lib/coek/coek/util/DataPortal.hpp

@@ -23,15 +23,16 @@ class DataPortalRepn {
 
     using ParameterTypes = std::variant<StringType, IntegerType, DoubleType, TupleValueType>;
 
-    std::map<std::string, ParameterTypes> parameter_data;
-    std::map<std::string, std::map<KeyTypes, ParameterTypes>> indexed_parameter_data;
-
     using StringSetType = std::set<std::string>;
     using IntegerSetType = std::set<int>;
     using DoubleSetType = std::set<double>;
     using TupleSetType = std::set<TupleValueType>;
     using SetTypes = std::variant<StringSetType, IntegerSetType, DoubleSetType, TupleSetType>;
 
+   public:
+    std::map<std::string, ParameterTypes> parameter_data;
+    std::map<std::string, std::map<KeyTypes, ParameterTypes>> indexed_parameter_data;
+
     std::map<std::string, SetTypes> set_data;
     std::map<std::string, std::map<KeyTypes, SetTypes>> indexed_set_data;
 
@@ -50,6 +51,8 @@ class DataPortalRepn {
     void save_to_file(const std::string& filename, unsigned int indent = 0);
     std::string to_string(unsigned int indent = 0);
 
+    bool contains(const std::string& name);
+
     //
     // GET methods
     //
@@ -760,6 +763,9 @@ class DataPortal {
         readable JSON format. */
     std::string to_string(unsigned int indent = 0) { return repn->to_string(indent); }
 
+    /** Returns true if the dataportal contains the specified data. */
+    bool contains(const std::string& name) { return repn->contains(name); }
+
     //
     // GET methods
     //

Diff for: lib/coek/test/smoke/test_util_DataPortal.cpp

@@ -4,6 +4,24 @@
 #include "catch2/catch_test_macros.hpp"
 #include "coek/util/DataPortal.hpp"
 
+TEST_CASE("DP_misc", "[smoke]")
+{
+    SECTION("contains")
+    {
+        auto dp = coek::DataPortal();
+        dp.load_from_json_string(R"(
+{
+"A": {
+    "set_type": "i",
+    "data": [1, 2, 3]
+    }
+}
+)");
+    REQUIRE(dp.contains("A") == true);
+    REQUIRE(dp.contains("unknown") == false);
+    }
+}
+
 TEST_CASE("get_DP_set", "[smoke]")
 {
     SECTION("error1")