165f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch/* 265f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * Copyright (C) 2010 Apple Inc. All rights reserved. 365f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * 465f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * Redistribution and use in source and binary forms, with or without 565f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * modification, are permitted provided that the following conditions 665f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * are met: 765f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * 1. Redistributions of source code must retain the above copyright 865f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * notice, this list of conditions and the following disclaimer. 965f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * 2. Redistributions in binary form must reproduce the above copyright 1065f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * notice, this list of conditions and the following disclaimer in the 1165f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * documentation and/or other materials provided with the distribution. 1265f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * 1365f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' 1465f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 1565f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 1665f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS 1765f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 1865f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 1965f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 2065f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 2165f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 2265f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 2365f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * THE POSSIBILITY OF SUCH DAMAGE. 2465f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch */ 2565f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 2665f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch#ifndef WebString_h 2765f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch#define WebString_h 2865f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 2965f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch#include "APIObject.h" 3065f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch#include <JavaScriptCore/JSStringRef.h> 3165f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch#include <wtf/PassRefPtr.h> 3265f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch#include <wtf/text/WTFString.h> 3365f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch#include <wtf/unicode/UTF8.h> 3465f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 3565f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdochnamespace WebKit { 3665f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 3765f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch// WebString - A string type suitable for vending to an API. 3865f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 3965f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdochclass WebString : public APIObject { 4065f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdochpublic: 4165f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch static const Type APIType = TypeString; 4265f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 4365f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch static PassRefPtr<WebString> create(const String& string) 4465f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch { 4565f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch return adoptRef(new WebString(string)); 4665f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch } 4765f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 4865f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch static PassRefPtr<WebString> create(JSStringRef jsStringRef) 4965f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch { 5065f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch return adoptRef(new WebString(String(JSStringGetCharactersPtr(jsStringRef), JSStringGetLength(jsStringRef)))); 5165f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch } 5265f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 5365f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch static PassRefPtr<WebString> createFromUTF8String(const char* string) 5465f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch { 5565f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch return adoptRef(new WebString(String::fromUTF8(string))); 5665f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch } 5765f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 5865f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch bool isNull() const { return m_string.isNull(); } 5965f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch bool isEmpty() const { return m_string.isEmpty(); } 602daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch 612daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch size_t length() const { return m_string.length(); } 622daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch size_t getCharacters(UChar* buffer, size_t bufferLength) const 632daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch { 642daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch if (!bufferLength) 652daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch return 0; 662daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch bufferLength = std::min(bufferLength, static_cast<size_t>(m_string.length())); 672daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch memcpy(buffer, m_string.characters(), bufferLength * sizeof(UChar)); 682daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch return bufferLength; 692daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch } 7065f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 7165f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch size_t maximumUTF8CStringSize() const { return m_string.length() * 3 + 1; } 7265f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch size_t getUTF8CString(char* buffer, size_t bufferSize) 7365f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch { 7465f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch if (!bufferSize) 7565f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch return 0; 7665f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch char* p = buffer; 7765f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch const UChar* d = m_string.characters(); 7865f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch WTF::Unicode::ConversionResult result = WTF::Unicode::convertUTF16ToUTF8(&d, d + m_string.length(), &p, p + bufferSize - 1, /* strict */ true); 7965f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch *p++ = '\0'; 8065f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch if (result != WTF::Unicode::conversionOK && result != WTF::Unicode::targetExhausted) 8165f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch return 0; 8265f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch return p - buffer; 8365f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch } 8465f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 8565f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch bool equal(WebString* other) { return m_string == other->m_string; } 8665f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch bool equalToUTF8String(const char* other) { return m_string == String::fromUTF8(other); } 872bde8e466a4451c7319e3a072d118917957d6554Steve Block bool equalToUTF8StringIgnoringCase(const char* other) { return equalIgnoringCase(m_string, other); } 8865f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 8965f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch const String& string() const { return m_string; } 9065f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 9165f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch JSStringRef createJSString() const { return JSStringCreateWithCharacters(m_string.characters(), m_string.length()); } 9265f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 9365f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdochprivate: 9465f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch WebString(const String& string) 9565f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch : m_string(!string.impl() ? String(StringImpl::empty()) : string) 9665f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch { 9765f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch } 9865f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 9965f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch virtual Type type() const { return APIType; } 10065f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 10165f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch String m_string; 10265f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch}; 10365f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 10465f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch} // namespace WebKit 10565f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 10665f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch#endif // WebString_h 107