Index: core/src/fxcrt/fx_basic_utf.cpp |
diff --git a/core/src/fxcrt/fx_basic_utf.cpp b/core/src/fxcrt/fx_basic_utf.cpp |
deleted file mode 100644 |
index 3625feb130cbed89f155eb523a5e48b03f4393be..0000000000000000000000000000000000000000 |
--- a/core/src/fxcrt/fx_basic_utf.cpp |
+++ /dev/null |
@@ -1,86 +0,0 @@ |
-// Copyright 2014 PDFium Authors. All rights reserved. |
-// Use of this source code is governed by a BSD-style license that can be |
-// found in the LICENSE file. |
- |
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
- |
-#include "core/include/fxcrt/fx_basic.h" |
- |
-void CFX_UTF8Decoder::Clear() { |
- m_Buffer.Clear(); |
- m_PendingBytes = 0; |
-} |
-void CFX_UTF8Decoder::AppendChar(FX_DWORD ch) { |
- m_Buffer.AppendChar((FX_WCHAR)ch); |
-} |
-void CFX_UTF8Decoder::Input(uint8_t byte) { |
- if (byte < 0x80) { |
- m_PendingBytes = 0; |
- m_Buffer.AppendChar(byte); |
- } else if (byte < 0xc0) { |
- if (m_PendingBytes == 0) { |
- return; |
- } |
- m_PendingBytes--; |
- m_PendingChar |= (byte & 0x3f) << (m_PendingBytes * 6); |
- if (m_PendingBytes == 0) { |
- AppendChar(m_PendingChar); |
- } |
- } else if (byte < 0xe0) { |
- m_PendingBytes = 1; |
- m_PendingChar = (byte & 0x1f) << 6; |
- } else if (byte < 0xf0) { |
- m_PendingBytes = 2; |
- m_PendingChar = (byte & 0x0f) << 12; |
- } else if (byte < 0xf8) { |
- m_PendingBytes = 3; |
- m_PendingChar = (byte & 0x07) << 18; |
- } else if (byte < 0xfc) { |
- m_PendingBytes = 4; |
- m_PendingChar = (byte & 0x03) << 24; |
- } else if (byte < 0xfe) { |
- m_PendingBytes = 5; |
- m_PendingChar = (byte & 0x01) << 30; |
- } |
-} |
-void CFX_UTF8Encoder::Input(FX_WCHAR unicode) { |
- if ((FX_DWORD)unicode < 0x80) { |
- m_Buffer.AppendChar(unicode); |
- } else { |
- if ((FX_DWORD)unicode >= 0x80000000) { |
- return; |
- } |
- int nbytes = 0; |
- if ((FX_DWORD)unicode < 0x800) { |
- nbytes = 2; |
- } else if ((FX_DWORD)unicode < 0x10000) { |
- nbytes = 3; |
- } else if ((FX_DWORD)unicode < 0x200000) { |
- nbytes = 4; |
- } else if ((FX_DWORD)unicode < 0x4000000) { |
- nbytes = 5; |
- } else { |
- nbytes = 6; |
- } |
- static uint8_t prefix[] = {0xc0, 0xe0, 0xf0, 0xf8, 0xfc}; |
- int order = 1 << ((nbytes - 1) * 6); |
- int code = unicode; |
- m_Buffer.AppendChar(prefix[nbytes - 2] | (code / order)); |
- for (int i = 0; i < nbytes - 1; i++) { |
- code = code % order; |
- order >>= 6; |
- m_Buffer.AppendChar(0x80 | (code / order)); |
- } |
- } |
-} |
-CFX_ByteString FX_UTF8Encode(const FX_WCHAR* pwsStr, FX_STRSIZE len) { |
- FXSYS_assert(pwsStr); |
- if (len < 0) { |
- len = FXSYS_wcslen(pwsStr); |
- } |
- CFX_UTF8Encoder encoder; |
- while (len-- > 0) { |
- encoder.Input(*pwsStr++); |
- } |
- return encoder.GetResult(); |
-} |