forked from mirrors/gecko-dev
		
	
		
			
				
	
	
		
			73 lines
		
	
	
	
		
			1.7 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			73 lines
		
	
	
	
		
			1.7 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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| /* vim: set ts=8 sts=2 et sw=2 tw=80: */
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| /* This Source Code Form is subject to the terms of the Mozilla Public
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|  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
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|  * You can obtain one at http://mozilla.org/MPL/2.0/. */
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| 
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| #include "ChromeWorkerScope.h"
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| 
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| #include "jsapi.h"
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| 
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| #include "nsXPCOM.h"
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| #include "nsNativeCharsetUtils.h"
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| #include "nsString.h"
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| 
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| #include "WorkerPrivate.h"
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| 
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| namespace mozilla {
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| namespace dom {
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| 
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| namespace {
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| 
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| #ifdef BUILD_CTYPES
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| 
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| char*
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| UnicodeToNative(JSContext* aCx, const char16_t* aSource, size_t aSourceLen)
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| {
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|   nsDependentString unicode(aSource, aSourceLen);
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| 
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|   nsAutoCString native;
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|   if (NS_FAILED(NS_CopyUnicodeToNative(unicode, native))) {
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|     JS_ReportErrorASCII(aCx, "Could not convert string to native charset!");
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|     return nullptr;
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|   }
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| 
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|   char* result = static_cast<char*>(JS_malloc(aCx, native.Length() + 1));
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|   if (!result) {
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|     return nullptr;
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|   }
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| 
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|   memcpy(result, native.get(), native.Length());
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|   result[native.Length()] = 0;
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|   return result;
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| }
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| 
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| #endif // BUILD_CTYPES
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| 
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| } // namespace
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| 
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| bool
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| DefineChromeWorkerFunctions(JSContext* aCx, JS::Handle<JSObject*> aGlobal)
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| {
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|   // Currently ctypes is the only special property given to ChromeWorkers.
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| #ifdef BUILD_CTYPES
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|   {
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|     JS::Rooted<JS::Value> ctypes(aCx);
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|     if (!JS_InitCTypesClass(aCx, aGlobal) ||
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|         !JS_GetProperty(aCx, aGlobal, "ctypes", &ctypes)) {
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|       return false;
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|     }
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| 
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|     static const JSCTypesCallbacks callbacks = {
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|       UnicodeToNative
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|     };
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| 
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|     JS_SetCTypesCallbacks(ctypes.toObjectOrNull(), &callbacks);
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|   }
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| #endif // BUILD_CTYPES
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| 
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|   return true;
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| }
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| 
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| } // dom namespace
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| } // mozilla namespace
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