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// 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 <algorithm>
#include <limits>
#include <memory>
#include <utility>
#include "core/fxcrt/fx_basic.h"
#include "core/fxcrt/fx_safe_types.h"
#include "third_party/base/numerics/safe_conversions.h"
void CFX_WideTextBuf::AppendChar(wchar_t ch) {
ExpandBuf(sizeof(wchar_t));
*(wchar_t*)(m_pBuffer.get() + m_DataSize) = ch;
m_DataSize += sizeof(wchar_t);
}
CFX_WideTextBuf& CFX_WideTextBuf::operator<<(const CFX_WideStringC& str) {
AppendBlock(str.unterminated_c_str(), str.GetLength() * sizeof(wchar_t));
return *this;
}
CFX_WideTextBuf& CFX_WideTextBuf::operator<<(const CFX_WideString& str) {
AppendBlock(str.c_str(), str.GetLength() * sizeof(wchar_t));
return *this;
}
CFX_WideTextBuf& CFX_WideTextBuf::operator<<(int i) {
char buf[32];
FXSYS_itoa(i, buf, 10);
FX_STRSIZE len = FXSYS_strlen(buf);
ExpandBuf(len * sizeof(wchar_t));
wchar_t* str = (wchar_t*)(m_pBuffer.get() + m_DataSize);
for (FX_STRSIZE j = 0; j < len; j++) {
*str++ = buf[j];
}
m_DataSize += len * sizeof(wchar_t);
return *this;
}
CFX_WideTextBuf& CFX_WideTextBuf::operator<<(double f) {
char buf[32];
FX_STRSIZE len = FX_ftoa((float)f, buf);
ExpandBuf(len * sizeof(wchar_t));
wchar_t* str = (wchar_t*)(m_pBuffer.get() + m_DataSize);
for (FX_STRSIZE i = 0; i < len; i++) {
*str++ = buf[i];
}
m_DataSize += len * sizeof(wchar_t);
return *this;
}
CFX_WideTextBuf& CFX_WideTextBuf::operator<<(const wchar_t* lpsz) {
AppendBlock(lpsz, FXSYS_wcslen(lpsz) * sizeof(wchar_t));
return *this;
}
CFX_WideTextBuf& CFX_WideTextBuf::operator<<(const CFX_WideTextBuf& buf) {
AppendBlock(buf.m_pBuffer.get(), buf.m_DataSize);
return *this;
}
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