From 18c882f1a0f1188b201b00afe4e04d6209ffd431 Mon Sep 17 00:00:00 2001
From: Henrique Santiago <henrique_santiago93@hotmail.com>
Date: Sun, 5 Aug 2012 10:56:15 -0300
Subject: [PATCH] Allow list bindings

---
 src/framework/luaengine/luavaluecasts.h | 34 +++++++++++++++++++++++++
 src/framework/luafunctions.cpp          |  1 +
 2 files changed, 35 insertions(+)

diff --git a/src/framework/luaengine/luavaluecasts.h b/src/framework/luaengine/luavaluecasts.h
index d93361b8..c87dff1a 100644
--- a/src/framework/luaengine/luavaluecasts.h
+++ b/src/framework/luaengine/luavaluecasts.h
@@ -124,6 +124,13 @@ template<typename Ret, typename... Args>
 typename std::enable_if<!std::is_void<Ret>::value, bool>::type
 luavalue_cast(int index, std::function<Ret(Args...)>& func);
 
+// list
+template<typename T>
+int push_luavalue(const std::list<T>& list);
+
+template<typename T>
+bool luavalue_cast(int index, std::list<T>& list);
+
 // vector
 template<typename T>
 int push_luavalue(const std::vector<T>& vec);
@@ -274,6 +281,33 @@ luavalue_cast(int index, std::function<Ret(Args...)>& func) {
     return false;
 }
 
+template<typename T>
+int push_luavalue(const std::list<T>& list) {
+    g_lua.newTable();
+    int i = 1;
+    for(const T& v : list) {
+        push_internal_luavalue(v);
+        g_lua.rawSeti(i);
+        i++;
+    }
+    return 1;
+}
+
+template<typename T>
+bool luavalue_cast(int index, std::list<T>& list)
+{
+    if(g_lua.isTable(index)) {
+        g_lua.pushNil();
+        while(g_lua.next(index < 0 ? index-1 : index)) {
+            T value;
+            if(luavalue_cast(-1, value))
+                list.push_back(value);
+            g_lua.pop();
+        }
+        return true;
+    }
+    return false;
+}
 
 template<typename T>
 int push_luavalue(const std::vector<T>& vec) {
diff --git a/src/framework/luafunctions.cpp b/src/framework/luafunctions.cpp
index 98ec767f..835d59f6 100644
--- a/src/framework/luafunctions.cpp
+++ b/src/framework/luafunctions.cpp
@@ -151,6 +151,7 @@ void Application::registerLuaFunctions()
     g_lua.bindSingletonFunction("g_resources", "getRealDir", &ResourceManager::getRealDir, &g_resources);
     g_lua.bindSingletonFunction("g_resources", "getWorkDir", &ResourceManager::getWorkDir, &g_resources);
     g_lua.bindSingletonFunction("g_resources", "getSearchPaths", &ResourceManager::getSearchPaths, &g_resources);
+    g_lua.bindSingletonFunction("g_resources", "listDirectoryFiles", &ResourceManager::listDirectoryFiles, &g_resources);
 
     // Module
     g_lua.registerClass<Module>();