open source

2020-11-11 16:17:13 +08:00
parent 4d989f3ecb
commit bc4ca748de
2441 changed files with 623057 additions and 2 deletions
@@ -0,0 +1,64 @@
+/**
+@file			JSCUtil.cpp
+@brief			
+@author			James
+@version		1.0
+@date			2017_11_29
+*/
+
+#include "JSCUtil.h"
+#include <JavaScriptCore/JavaScriptCore.h>
+#include <vector>
+namespace laya
+{
+    JSContextRef JSCUtil::s_ctx = NULL;
+    char* JSCUtil::toCString(JSContextRef ctx,JSStringRef value)
+    {
+        int len = JSStringGetMaximumUTF8CStringSize(value);
+        static std::vector<char> utf8str;
+        utf8str.resize(len);
+        JSStringGetUTF8CString(value, &utf8str[0], len);
+        return &utf8str[0];
+    }
+    char* JSCUtil::toCString(JSContextRef ctx,JSValueRef value)
+    {
+        assert(JSValueIsString(ctx, value));
+        JSStringRef str = JSValueToStringCopy(ctx, value, nullptr);
+        char* ret = toCString(ctx, str);
+        JSStringRelease(str);
+        return ret;
+    }
+    bool JSCUtil::extractJSAB(JSContextRef ctx,JSValueRef  ab, char*& data, int& len)
+    {
+        JSObjectRef arrayObj = JSValueToObject(ctx, ab, NULL);
+        JSTypedArrayType arrayType = JSValueGetTypedArrayType(ctx, ab, NULL);
+        switch (arrayType)
+        {
+        case kJSTypedArrayTypeNone:
+        {
+            data = NULL;
+            len = 0;
+            return false;
+        }
+        break;
+        case kJSTypedArrayTypeArrayBuffer:
+        {
+            data = (char*)JSObjectGetArrayBufferBytesPtr(ctx, arrayObj, NULL);
+            len = (int)JSObjectGetArrayBufferByteLength(ctx, arrayObj, NULL);
+            return true;
+        }
+        break;
+        default:
+        {
+            data = (char*)JSObjectGetTypedArrayBytesPtr(ctx, arrayObj, NULL) + JSObjectGetTypedArrayByteOffset(ctx, arrayObj, NULL);
+            len = (int)JSObjectGetTypedArrayByteLength(ctx, arrayObj, NULL);
+            return true;
+        }
+        break;
+        }
+    }
+}
+//------------------------------------------------------------------------------
+
+
+//-----------------------------END FILE--------------------------------