From 831e814ce9bdb84e86c06c4a52008f6bdaaa00d6 Mon Sep 17 00:00:00 2001
From: chai <chaifix@163.com>
Date: Fri, 16 Nov 2018 00:24:51 +0800
Subject: =?UTF-8?q?*=E5=90=88=E5=B9=B6master=E5=88=B0minimal=E5=88=86?=
 =?UTF-8?q?=E6=94=AF?=
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---
 src/lua/modules/net/je_lua_buffer.cpp | 137 ++++++++++++++++++++++++++++++++++
 1 file changed, 137 insertions(+)
 create mode 100644 src/lua/modules/net/je_lua_buffer.cpp

(limited to 'src/lua/modules/net/je_lua_buffer.cpp')

diff --git a/src/lua/modules/net/je_lua_buffer.cpp b/src/lua/modules/net/je_lua_buffer.cpp
new file mode 100644
index 0000000..0198095
--- /dev/null
+++ b/src/lua/modules/net/je_lua_buffer.cpp
@@ -0,0 +1,137 @@
+#include "lua/modules/luax.h"
+
+#include "lua/common/je_lua_common.h"
+#include "libjin/jin.h"
+#include "je_lua_buffer.h"
+
+namespace JinEngine
+{
+    namespace Lua
+    {
+
+        const char* Jin_Lua_Buffer = "Buffer";
+
+	    typedef Shared<Net::Buffer>& SharedBuffer;
+
+        static inline SharedBuffer checkNetBuffer(lua_State* L)
+        {
+            Proxy* proxy = (Proxy*)luax_checktype(L, 1, Jin_Lua_Buffer);
+		    return proxy->getShared<Net::Buffer>();
+        }
+
+        // net.Buffer:append(value) -> value_length
+        LUA_IMPLEMENT int l_append(lua_State* L)
+        {
+		    SharedBuffer shared = checkNetBuffer(L);
+            const int vp = 2;
+            if (luax_isintegerstrict(L, vp))
+            {
+                int n = luax_checkinteger(L, vp);
+                int size = sizeof(n);
+                shared->append(&n, size);
+                luax_pushinteger(L, size);
+                return 1;
+            } 
+            else if (luax_isfloatstrict(L, vp))
+            {
+                float n = luax_checknumber(L, vp);
+                int size = sizeof(n);
+			    shared->append(&n, size);
+                luax_pushinteger(L, size);
+                return 1;
+            }
+            else if (luax_isbooleanstrict(L, vp))
+            {
+                bool n = luax_checkbool(L, vp);
+                int size = sizeof(n);
+			    shared->append(&n, size);
+                luax_pushinteger(L, size);
+                return 1;
+            }
+            else if (luax_isstringstrict(L, vp))
+            {
+                const char* str = luax_checkstring(L, vp);
+                int size = strlen(str) + 1;
+			    shared->append(str, size);
+                luax_pushinteger(L, size);
+                return 1;
+            }
+            else
+            {
+                luax_typerror(L, vp, "number, bool or string");
+                return 0;
+            }
+        }
+
+        // net.Buffer:grabString(offset) -> string, length
+        LUA_IMPLEMENT int l_grabString(lua_State* L)
+        {
+		    SharedBuffer shared = checkNetBuffer(L);
+            int offset = luax_checkinteger(L, 2);
+            unsigned int len;
+            char* data = shared->grabString(&len, offset);
+            Array<char> str;
+            str.bind(data, len);
+            luax_pushstring(L, &str);
+            luax_pushinteger(L, str.count());
+            return 2;
+        }
+
+        // net.Buffer:grabInteger(offset) -> integer, length
+        LUA_IMPLEMENT int l_grabInteger(lua_State* L)
+        {
+		    SharedBuffer shared = checkNetBuffer(L);
+            int offset = luax_checkinteger(L, 2);
+            int len;
+            int integer = shared->grabInteger(&len, offset);
+            luax_pushinteger(L, integer);
+            luax_pushinteger(L, len);
+            return 2;
+        }
+
+        LUA_IMPLEMENT int l_grabFloat(lua_State* L)
+        {
+		    SharedBuffer shared = checkNetBuffer(L);
+            int offset = luax_checkinteger(L, 2);
+            int len;
+            float floatv = shared->grabFloat(&len, offset);
+            luax_pushnumber(L, floatv);
+            luax_pushinteger(L, len);
+            return 2;
+        }
+
+        LUA_IMPLEMENT int l_grabBoolean(lua_State* L)
+        {
+		    SharedBuffer shared = checkNetBuffer(L);
+            int offset = luax_checkinteger(L, 2);
+            int len;
+            bool boolean = shared->grabBoolean(&len, offset);
+            luax_pushboolean(L, boolean);
+            luax_pushinteger(L, len);
+            return 2;
+        }
+
+        LUA_IMPLEMENT int l_gc(lua_State* L)
+        {
+            Proxy* proxy = (Proxy*)luax_checktype(L, 1, Jin_Lua_Buffer);
+            proxy->release();
+            return 0;
+        }
+
+        LUA_EXPORT void luaopen_Buffer(lua_State* L)
+        {
+            luaL_Reg netbuffer_function[] = {
+                { "__gc",           l_gc          },
+                { "append",         l_append      },
+                { "grabString",     l_grabString  },
+                { "grabInteger",    l_grabInteger },
+                { "grabBoolean",    l_grabBoolean },
+                { "grabFloat",      l_grabFloat   },
+                { 0,                0             }
+            };
+
+            luax_newtype(L, Jin_Lua_Buffer, netbuffer_function);
+        }
+
+    } // namespace Lua
+} // namespace JinEngine
\ No newline at end of file
-- 
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