WebCore: Remove PLATFORM(WIN) files we do not use.

Source/WebCore/platform/text/win/TextCodecWin.cpp

-/*
- * Copyright (C) 2007-2009 Torch Mobile, Inc. All rights reserved.
- * Copyright (C) 2010-2012 Patrick Gansterer <paroga@paroga.com>
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- *  This library is distributed in the hope that i will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- *  Library General Public License for more details.
- *
- *  You should have received a copy of the GNU Library General Public License
- *  along with this library; see the file COPYING.LIB.  If not, write to
- *  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- *  Boston, MA 02110-1301, USA.
- */
-
-#include "config.h"
-#include "TextCodecWin.h"
-
-#include "COMPtr.h"
-#include <mlang.h>
-#include <windows.h>
-#include <wtf/HashMap.h>
-#include <wtf/HashSet.h>
-#include <wtf/text/CString.h>
-#include <wtf/text/StringHash.h>
-#include <wtf/text/WTFString.h>
-
-namespace WebCore {
-
-struct CharsetInfo {
-    CString m_name;
-    String m_friendlyName;
-    UINT m_codePage;
-    Vector<CString> m_aliases;
-};
-
-class LanguageManager {
-private:
-    LanguageManager();
-
-    friend LanguageManager& languageManager();
-};
-
-// Usage: a lookup table used to get CharsetInfo with code page ID.
-// Key: code page ID. Value: charset information.
-static HashMap<UINT, CString>& codePageCharsets()
-{
-    static HashMap<UINT, CString> cc;
-    return cc;
-}
-
-static HashMap<String, CharsetInfo>& knownCharsets()
-{
-    static HashMap<String, CharsetInfo> kc;
-    return kc;
-}
-
-// Usage: a map that stores charsets that are supported by system. Sorted by name.
-// Key: charset. Value: code page ID.
-typedef HashSet<String> CharsetSet;
-static CharsetSet& supportedCharsets()
-{
-    static CharsetSet sl;
-    return sl;
-}
-
-static LanguageManager& languageManager()
-{
-    static LanguageManager lm;
-    return lm;
-}
-
-LanguageManager::LanguageManager()
-{
-    COMPtr<IMultiLanguage> multiLanguage;
-    if (FAILED(::CoCreateInstance(CLSID_CMultiLanguage, 0, CLSCTX_INPROC_SERVER, IID_IMultiLanguage, reinterpret_cast<LPVOID*>(&multiLanguage))))
-        return;
-
-    COMPtr<IEnumCodePage> enumInterface;
-    if (FAILED(multiLanguage->EnumCodePages(MIMECONTF_BROWSER, &enumInterface)))
-        return;
-
-    MIMECPINFO cpInfo;
-    ULONG ccpInfo;
-    while (SUCCEEDED(enumInterface->Next(1, &cpInfo, &ccpInfo)) && ccpInfo) {
-        if (!IsValidCodePage(cpInfo.uiCodePage))
-            continue;
-
-        HashMap<UINT, CString>::iterator i = codePageCharsets().find(cpInfo.uiCodePage);
-
-        CString name(String(cpInfo.wszWebCharset).latin1());
-        if (i == codePageCharsets().end()) {
-            CharsetInfo info;
-            info.m_codePage = cpInfo.uiCodePage;
-            knownCharsets().set(name.data(), info);
-            i = codePageCharsets().set(cpInfo.uiCodePage, name).iterator;
-        }
-        if (i != codePageCharsets().end()) {
-            HashMap<String, CharsetInfo>::iterator j = knownCharsets().find(String(i->value.data(), i->value.length()));
-            ASSERT(j != knownCharsets().end());
-            CharsetInfo& info = j->value;
-            info.m_name = i->value.data();
-            info.m_friendlyName = cpInfo.wszDescription;
-            info.m_aliases.append(name);
-            info.m_aliases.append(String(cpInfo.wszHeaderCharset).latin1());
-            info.m_aliases.append(String(cpInfo.wszBodyCharset).latin1());
-            String cpName = "cp" + String::number(cpInfo.uiCodePage);
-            info.m_aliases.append(cpName.latin1());
-            supportedCharsets().add(i->value.data());
-        }
-    }
-}
-
-static UINT getCodePage(const char* name)
-{
-    // Explicitly use a "const" reference to fix the silly VS build error
-    // saying "==" is not found for const_iterator and iterator
-    const HashMap<String, CharsetInfo>& charsets = knownCharsets();
-    HashMap<String, CharsetInfo>::const_iterator i = charsets.find(name);
-    return i == charsets.end() ? CP_ACP : i->value.m_codePage;
-}
-
-static PassOwnPtr<TextCodec> newTextCodecWin(const TextEncoding& encoding, const void*)
-{
-    return adoptPtr(new TextCodecWin(getCodePage(encoding.name())));
-}
-
-TextCodecWin::TextCodecWin(UINT codePage)
-    : m_codePage(codePage)
-{
-}
-
-TextCodecWin::~TextCodecWin()
-{
-}
-
-void TextCodecWin::registerExtendedEncodingNames(EncodingNameRegistrar registrar)
-{
-    languageManager();
-    for (CharsetSet::iterator i = supportedCharsets().begin(); i != supportedCharsets().end(); ++i) {
-        HashMap<String, CharsetInfo>::iterator j = knownCharsets().find(*i);
-        if (j != knownCharsets().end()) {
-            registrar(j->value.m_name.data(), j->value.m_name.data());
-            for (Vector<CString>::const_iterator alias = j->value.m_aliases.begin(); alias != j->value.m_aliases.end(); ++alias)
-                registrar(alias->data(), j->value.m_name.data());
-        }
-    }
-}
-
-void TextCodecWin::registerExtendedCodecs(TextCodecRegistrar registrar)
-{
-    languageManager();
-    for (CharsetSet::iterator i = supportedCharsets().begin(); i != supportedCharsets().end(); ++i) {
-        HashMap<String, CharsetInfo>::iterator j = knownCharsets().find(*i);
-        if (j != knownCharsets().end())
-            registrar(j->value.m_name.data(), newTextCodecWin, 0);
-    }
-}
-
-static DWORD getCodePageFlags(UINT codePage)
-{
-    if (codePage == 42) // Symbol
-        return 0;
-
-    // Microsoft says the flag must be 0 for the following code pages
-    if (codePage > 50000) {
-        if ((codePage >= 50220 && codePage <= 50222)
-            || codePage == 50225
-            || codePage == 50227
-            || codePage == 50229
-            || codePage == 52936
-            || codePage == 54936
-            || (codePage >= 57002 && codePage <= 57001)
-            || codePage == 65000 // UTF-7
-            )
-            return 0;
-    }
-
-    return MB_PRECOMPOSED | MB_ERR_INVALID_CHARS;
-}
-
-static inline const char* findFirstNonAsciiCharacter(const char* bytes, size_t length)
-{
-    for (const char* bytesEnd = bytes + length; bytes < bytesEnd; ++bytes) {
-        if (*bytes & 0x80)
-            break;
-    }
-    return bytes;
-}
-
-static void decodeInternal(Vector<UChar, 8192>& result, UINT codePage, const char* bytes, size_t length, size_t* left)
-{
-    *left = length;
-    if (!bytes || !length)
-        return;
-
-    DWORD flags = getCodePageFlags(codePage);
-
-    int testLength = length;
-    int untestedLength = length;
-    for (;;) {
-        int resultLength = MultiByteToWideChar(codePage, flags, bytes, testLength, 0, 0);
-
-        if (resultLength > 0) {
-            int oldSize = result.size();
-            result.resize(oldSize + resultLength);
-
-            MultiByteToWideChar(codePage, flags, bytes, testLength, result.data() + oldSize, resultLength);
-
-            if (testLength == untestedLength) {
-                *left = length - testLength;
-                break;
-            }
-            untestedLength -= testLength;
-            length -= testLength;
-            bytes += testLength;
-        } else {
-            untestedLength = testLength - 1;
-            if (!untestedLength) {
-                *left = length;
-                break;
-            }
-        }
-        testLength = (untestedLength + 1) / 2;
-    }
-}
-
-String TextCodecWin::decode(const char* bytes, size_t length, bool flush, bool stopOnError, bool& sawError)
-{
-    if (!m_decodeBuffer.isEmpty()) {
-        m_decodeBuffer.append(bytes, length);
-        bytes = m_decodeBuffer.data();
-        length = m_decodeBuffer.size();
-    }
-
-    size_t left;
-    Vector<UChar, 8192> result;
-    for (;;) {
-        decodeInternal(result, m_codePage, bytes, length, &left);
-        if (!left)
-            break;
-
-        if (!flush && left < 16)
-            break;
-
-        result.append(L'?');
-        sawError = true;
-        if (stopOnError)
-            return String::adopt(result);
-
-        if (left == 1)
-            break;
-
-        bytes += length - left + 1;
-        length = left - 1;
-    }
-    if (left && !flush) {
-        if (m_decodeBuffer.isEmpty())
-            m_decodeBuffer.append(bytes + length - left, left);
-        else {
-            memmove(m_decodeBuffer.data(), bytes + length - left, left);
-            m_decodeBuffer.resize(left);
-        }
-    } else
-        m_decodeBuffer.clear();
-
-    return String::adopt(result);
-}
-
-CString TextCodecWin::encode(const UChar* characters, size_t length, UnencodableHandling)
-{
-    if (!characters || !length)
-        return CString();
-
-    int resultLength = WideCharToMultiByte(m_codePage, WC_COMPOSITECHECK, characters, length, 0, 0, 0, 0);
-
-    // FIXME: We need to implement UnencodableHandling: QuestionMarksForUnencodables, EntitiesForUnencodables, and URLEncodedEntitiesForUnencodables.
-
-    if (resultLength <= 0)
-        return "?";
-
-    char* characterBuffer;
-    CString result = CString::newUninitialized(resultLength, characterBuffer);
-
-    WideCharToMultiByte(m_codePage, WC_COMPOSITECHECK, characters, length, characterBuffer, resultLength, 0, 0);
-
-    return result;
-}
-
-void TextCodecWin::enumerateSupportedEncodings(EncodingReceiver& receiver)
-{
-    languageManager();
-    for (CharsetSet::iterator i = supportedCharsets().begin(); i != supportedCharsets().end(); ++i) {
-        HashMap<String, CharsetInfo>::iterator j = knownCharsets().find(*i);
-        if (j != knownCharsets().end() && !receiver.receive(j->value.m_name.data(), j->value.m_friendlyName.charactersWithNullTermination(), j->value.m_codePage))
-            break;
-    }
-}
-
-} // namespace WebCore