1/* 2 * Copyright (C) 2010 Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31#include "config.h" 32#include "V8DirectoryEntrySync.h" 33 34#if ENABLE(FILE_SYSTEM) 35 36#include "DirectoryEntrySync.h" 37#include "ExceptionCode.h" 38#include "V8Binding.h" 39#include "V8BindingMacros.h" 40#include "V8EntryCallback.h" 41#include "V8ErrorCallback.h" 42#include "V8FileEntrySync.h" 43#include "V8WebKitFlags.h" 44#include "V8Proxy.h" 45#include <wtf/RefCounted.h> 46#include <wtf/RefPtr.h> 47 48namespace WebCore { 49 50static bool extractBooleanValue(const v8::Handle<v8::Object>& object, const char* name, ExceptionCode& ec) { 51 ec = 0; 52 v8::Local<v8::Value> value = object->Get(v8::String::New(name)); 53 if (!value.IsEmpty() && !isUndefinedOrNull(value)) { 54 v8::TryCatch block; 55 bool nativeValue = value->BooleanValue(); 56 if (block.HasCaught()) { 57 ec = TYPE_MISMATCH_ERR; 58 return false; 59 } 60 return nativeValue; 61 } 62 return false; 63} 64 65static PassRefPtr<WebKitFlags> getFlags(const v8::Local<v8::Value>& arg, ExceptionCode& ec) 66{ 67 ec = 0; 68 if (isUndefinedOrNull(arg) || !arg->IsObject()) 69 return 0; 70 if (V8WebKitFlags::HasInstance(arg)) 71 return V8WebKitFlags::toNative(v8::Handle<v8::Object>::Cast(arg)); 72 73 v8::Handle<v8::Object> object; 74 { 75 v8::TryCatch block; 76 object = v8::Handle<v8::Object>::Cast(arg); 77 if (block.HasCaught()) { 78 ec = TYPE_MISMATCH_ERR; 79 return 0; 80 } 81 } 82 83 bool isCreate = extractBooleanValue(object, "create", ec); 84 if (ec) 85 return 0; 86 bool isExclusive = extractBooleanValue(object, "exclusive", ec); 87 if (ec) 88 return 0; 89 90 RefPtr<WebKitFlags> flags = WebKitFlags::create(); 91 flags->setCreate(isCreate); 92 flags->setExclusive(isExclusive); 93 94 return flags; 95} 96 97v8::Handle<v8::Value> V8DirectoryEntrySync::getDirectoryCallback(const v8::Arguments& args) 98{ 99 INC_STATS("DOM.DirectoryEntrySync.getDirectory"); 100 DirectoryEntrySync* imp = V8DirectoryEntrySync::toNative(args.Holder()); 101 ExceptionCode ec = 0; 102 STRING_TO_V8PARAMETER_EXCEPTION_BLOCK(V8Parameter<>, path, args[0]); 103 RefPtr<WebKitFlags> flags = getFlags(args[1], ec); 104 if (UNLIKELY(ec)) { 105 V8Proxy::setDOMException(ec); 106 return v8::Handle<v8::Value>(); 107 } 108 RefPtr<DirectoryEntrySync> result = imp->getDirectory(path, flags, ec); 109 if (UNLIKELY(ec)) { 110 V8Proxy::setDOMException(ec); 111 return v8::Handle<v8::Value>(); 112 } 113 return toV8(result.release()); 114} 115 116v8::Handle<v8::Value> V8DirectoryEntrySync::getFileCallback(const v8::Arguments& args) 117{ 118 INC_STATS("DOM.DirectoryEntrySync.getFile"); 119 DirectoryEntrySync* imp = V8DirectoryEntrySync::toNative(args.Holder()); 120 ExceptionCode ec = 0; 121 STRING_TO_V8PARAMETER_EXCEPTION_BLOCK(V8Parameter<>, path, args[0]); 122 RefPtr<WebKitFlags> flags = getFlags(args[1], ec); 123 if (UNLIKELY(ec)) { 124 V8Proxy::setDOMException(ec); 125 return v8::Handle<v8::Value>(); 126 } 127 RefPtr<FileEntrySync> result = imp->getFile(path, flags, ec); 128 if (UNLIKELY(ec)) { 129 V8Proxy::setDOMException(ec); 130 return v8::Handle<v8::Value>(); 131 } 132 return toV8(result.release()); 133} 134 135 136 137} // namespace WebCore 138 139#endif // ENABLE(FILE_SYSTEM) 140