1 files changed, 140 insertions, 0 deletions
diff --git a/src/libjin-lua/modules/filesystem/l_filesystem.cpp b/src/libjin-lua/modules/filesystem/l_filesystem.cpp
new file mode 100644
index 0000000..b297c8d
--- /dev/null
+++ b/src/libjin-lua/modules/filesystem/l_filesystem.cpp
@@ -0,0 +1,140 @@
+#include "common/l_common.h"
+#include "common/je_lua.h"
+#include "libjin/jin.h"
+#include <string>
+
+using namespace JinEngine::Filesystem;
+
+namespace JinEngine
+{
+    namespace Lua
+    {
+
+        LUA_IMPLEMENT struct
+        {
+            AssetDatabase* fs; 
+        } context;
+
+        LUA_IMPLEMENT int l_init(lua_State* L)
+        {
+            context.fs = AssetDatabase::get();
+            return 0; 
+        }
+
+        LUA_IMPLEMENT int l_mount(lua_State* L)
+        {
+            const char* path = luax_checkstring(L, 1);
+            context.fs->mount(path);
+            return 0;
+        }
+
+        LUA_IMPLEMENT int l_exist(lua_State * L)
+        {
+            const char* path = luax_checkstring(L, 1);
+            int r = context.fs->exists(path);
+            luax_pushboolean(L, r);
+            return 1;
+        }
+
+        LUA_IMPLEMENT int l_isDir(lua_State* L)
+        {
+            const char* path = luax_checkstring(L, 1);
+            int r = context.fs->isDir(path);
+            luax_pushboolean(L, r);
+            return 1;
+        }
+
+        LUA_IMPLEMENT int l_isFile(lua_State* L)
+        {
+            const char* path = luax_checkstring(L, 1);
+            int r = context.fs->isFile(path);
+            luax_pushboolean(L, r);
+            return 1;
+        }
+
+        LUA_IMPLEMENT int loadbuffer(lua_State* L)
+        {
+            const char* filename = lua_tostring(L, -1);
+            Buffer bf; 
+            context.fs->read(filename, bf);
+            luax_loadbuffer(L, (const char*)&bf, bf.size(), filename);
+            return 1; 
+        }
+
+        LUA_IMPLEMENT int loader(lua_State* L)
+        {
+            const char * filename = lua_tostring(L, -1);
+
+            std::string tmp(filename);
+            tmp += ".lua";
+
+            int size = tmp.size();
+
+            for (int i = 0; i<size - 4; ++i)
+            {
+                if (tmp[i] == '.')
+                {
+                    tmp[i] = '/';
+                }
+            }
+
+            if (context.fs->exists(tmp.c_str()))
+            {
+                lua_pop(L, 1);
+                lua_pushstring(L, tmp.c_str());
+                return loadbuffer(L);
+            }
+
+            tmp = filename;
+            size = tmp.size();
+            for (int i = 0; i<size; ++i)
+            {
+                if (tmp[i] == '.')
+                    tmp[i] = '/';
+            }
+
+            if (context.fs->isDir(tmp.c_str()))
+            {
+                tmp += "/init.lua";
+                if (context.fs->exists(tmp.c_str()))
+                {
+                    lua_pop(L, 1);
+                    lua_pushstring(L, tmp.c_str());
+                    return loadbuffer(L);
+                }
+            }
+
+            lua_pushfstring(L, "\n\tno file \"%s\" in jin game directories.\n", (tmp + ".lua").c_str());
+            return 1;
+        }
+
+        LUA_IMPLEMENT int l_read(lua_State* L)
+        {
+            AssetDatabase* fs = context.fs; 
+            const char* file = luax_checkstring(L, 1);
+            unsigned int len;
+            Buffer buffer;
+            fs->read(file, buffer);
+            luax_pushstring(L, (char*)&buffer);
+            luax_pushinteger(L, buffer.size());
+            return 2;
+        }
+
+        LUA_EXPORT int luaopen_filesystem(lua_State* L)
+        {
+            luaL_Reg methods[] = {
+                { "init",        l_init   },
+                { "mount",       l_mount  },
+                { "isDirectory", l_isDir  },
+                { "isFile",      l_isFile },
+                { "exist",       l_exist  },
+                { "read",        l_read   },
+                { 0,             0        }
+            };
+            luax_newlib(L, methods);
+            luax_registersearcher(L, loader, 1); 
+            return 0;
+        }
+
+    } // namespace Lua
+} // namespace JinEngine
+\ No newline at end of file