1/*
2 * Copyright (C) 2010 Apple Computer, 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
6 * are met:
7 *  * Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 *  * Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#ifndef JavaStringJSC_h
27#define JavaStringJSC_h
28
29#include "JNIUtility.h"
30#include "JavaInstanceJSC.h"
31
32#include <runtime/JSLock.h>
33#include <runtime/ScopeChain.h>
34
35
36namespace JSC {
37
38namespace Bindings {
39
40class JavaStringImpl {
41public:
42    ~JavaStringImpl()
43    {
44        JSLock lock(SilenceAssertionsOnly);
45        m_impl = 0;
46    }
47
48    void init()
49    {
50        JSLock lock(SilenceAssertionsOnly);
51        m_impl = UString().impl();
52    }
53
54    void init(JNIEnv* e, jstring s)
55    {
56        int size = e->GetStringLength(s);
57        const jchar* uc = getUCharactersFromJStringInEnv(e, s);
58        {
59            JSLock lock(SilenceAssertionsOnly);
60            m_impl = UString(reinterpret_cast<const UChar*>(uc), size).impl();
61        }
62        releaseUCharactersForJStringInEnv(e, s, uc);
63    }
64
65    const char* utf8() const
66    {
67        if (!m_utf8String.data()) {
68            JSLock lock(SilenceAssertionsOnly);
69            m_utf8String = UString(m_impl).utf8();
70        }
71        return m_utf8String.data();
72    }
73    int length() const { return m_impl->length(); }
74    StringImpl* impl() const { return m_impl.get(); }
75
76private:
77    RefPtr<StringImpl> m_impl;
78    mutable CString m_utf8String;
79};
80
81} // namespace Bindings
82
83} // namespace JSC
84
85#endif // JavaStringJSC_h
86