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 36 namespace JSC { 37 38 namespace Bindings { 39 40 class JavaStringImpl { 41 public: ~JavaStringImpl()42 ~JavaStringImpl() 43 { 44 JSLock lock(SilenceAssertionsOnly); 45 m_impl = 0; 46 } 47 init()48 void init() 49 { 50 JSLock lock(SilenceAssertionsOnly); 51 m_impl = UString().impl(); 52 } 53 init(JNIEnv * e,jstring s)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 utf8()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 } length()73 int length() const { return m_impl->length(); } impl()74 StringImpl* impl() const { return m_impl.get(); } 75 76 private: 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