Merge pull request #164 from kyzentun/get_metric_group

Added THEME:GetMetricNamesInGroup and THEME:GetStringNamesInGroup.

Docs/Luadoc/Lua.xml

@@ -1596,6 +1596,7 @@
 			<Function name='GetCurThemeName'/>
 			<Function name='GetCurrentThemeDirectory'/>
 			<Function name='GetMetric'/>
+			<Function name='GetMetricNamesInGroup'/>
 			<Function name='GetNumSelectableThemes'/>
 			<Function name='GetPathB'/>
 			<Function name='GetPathF'/>
@@ -1605,6 +1606,7 @@
 			<Function name='GetPathS'/>
 			<Function name='GetSelectableThemeNames'/>
 			<Function name='GetString'/>
+			<Function name='GetStringNamesInGroup'/>
 			<Function name='GetThemeAuthor'/>
 			<Function name='GetThemeDisplayName'/>
 			<Function name='HasMetric'/>

Docs/Luadoc/LuaDocumentation.xml

@@ -4424,6 +4424,9 @@ save yourself some time, copy this for undocumented things:
 	<Function name='GetMetric' return='string' arguments='string ClassName, string Element'>
 		Returns the value of <code>Element</code> in <code>Class</code> from metrics.ini.
 	</Function>
+	<Function name='GetMetricNamesInGroup' return='{string}' arguments='string ClassName'>
+		Returns the names of all elements in <code>Class</code> from metrics.ini.
+	</Function>
 	<Function name='GetNumSelectableThemes' return='int' arguments=''>
 		Returns the number of selectable themes.
 	</Function>
@@ -4451,6 +4454,9 @@ save yourself some time, copy this for undocumented things:
 	<Function name='GetString' return='string' arguments='string ClassName, string Element'>
 		Returns the value of <code>Element</code> in <code>Class</code> for the currently loaded language.
 	</Function>
+	<Function name='GetStringNamesInGroup' return='{string}' arguments='string ClassName'>
+		Returns the names of all elements in <code>Class</code> for the currently loaded language.
+	</Function>
 	<Function name='GetThemeAuthor' return='string' arguments=''>
 		Returns the author of the current theme or "[unknown author]".
 	</Function>

src/ThemeManager.cpp

@@ -1298,6 +1298,40 @@ public:
 	DEFINE_METHOD( DoesLanguageExist, DoesLanguageExist(SArg(1)) );
 	DEFINE_METHOD( GetCurThemeName, GetCurThemeName() );
 
+	static void PushMetricNamesInGroup(IniFile const& ini, lua_State* L)
+	{
+		RString group_name= SArg(1);
+		const XNode* metric_node= ini.GetChild(group_name);
+		if(metric_node != NULL)
+		{
+			// Placed in a table indexed by number, so the order is always the same.
+			lua_createtable(L, metric_node->m_attrs.size(), 0);
+			int next_index= 1;
+			for(XAttrs::const_iterator n= metric_node->m_attrs.begin(); n != metric_node->m_attrs.end(); ++n)
+			{
+				LuaHelpers::Push(L, n->first);
+				lua_rawseti(L, -2, next_index);
+				++next_index;
+			}
+		}
+		else
+		{
+			lua_pushnil(L);
+		}
+	}
+
+	static int GetMetricNamesInGroup(T* p, lua_State* L)
+	{
+		PushMetricNamesInGroup(g_pLoadedThemeData->iniMetrics, L);
+		return 1;
+	}
+
+	static int GetStringNamesInGroup(T* p, lua_State* L)
+	{
+		PushMetricNamesInGroup(g_pLoadedThemeData->iniStrings, L);
+		return 1;
+	}
+
 	LunaThemeManager()
 	{
 		ADD_METHOD( ReloadMetrics );
@@ -1322,6 +1356,8 @@ public:
 		ADD_METHOD( GetCurThemeName );
 		ADD_METHOD( HasMetric );
 		ADD_METHOD( HasString );
+		ADD_METHOD( GetMetricNamesInGroup );
+		ADD_METHOD( GetStringNamesInGroup );
 	}
 };