| /* |
| * Copyright (C) 2009 Apple Inc. All rights reserved. |
| * Copyright (C) 2009 Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef JSWebGLArrayHelper_h |
| #define JSWebGLArrayHelper_h |
| |
| #include "ExceptionCode.h" |
| #include "JSDOMBinding.h" |
| #include <interpreter/CallFrame.h> |
| #include <runtime/ArgList.h> |
| #include <runtime/Error.h> |
| #include <runtime/JSObject.h> |
| #include <runtime/JSValue.h> |
| |
| namespace WebCore { |
| |
| template <class T> |
| JSC::JSValue setWebGLArrayFromArray(JSC::ExecState* exec, T* webGLArray, JSC::ArgList const& args) |
| { |
| if (args.at(0).isObject()) { |
| // void set(in sequence<long> array, [Optional] in unsigned long offset); |
| JSC::JSObject* array = JSC::asObject(args.at(0)); |
| uint32_t offset = 0; |
| if (args.size() == 2) |
| offset = args.at(1).toInt32(exec); |
| uint32_t length = array->get(exec, JSC::Identifier(exec, "length")).toInt32(exec); |
| if (offset > webGLArray->length() || |
| offset + length > webGLArray->length() || |
| offset + length < offset) |
| setDOMException(exec, INDEX_SIZE_ERR); |
| else { |
| for (uint32_t i = 0; i < length; i++) { |
| JSC::JSValue v = array->get(exec, i); |
| if (exec->hadException()) |
| return JSC::jsUndefined(); |
| webGLArray->set(i + offset, v.toNumber(exec)); |
| } |
| } |
| |
| return JSC::jsUndefined(); |
| } |
| |
| return JSC::throwError(exec, JSC::SyntaxError); |
| } |
| |
| } |
| |
| #endif // JSWebGLArrayHelper_h |
