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
48 namespace WebCore {
49
extractBooleanValue(const v8::Handle<v8::Object> & object,const char * name,ExceptionCode & ec)50 static 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
getFlags(const v8::Local<v8::Value> & arg,ExceptionCode & ec)65 static 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
getDirectoryCallback(const v8::Arguments & args)97 v8::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
getFileCallback(const v8::Arguments & args)116 v8::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