| // Copyright 2017 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 "xfa/fgas/layout/cfgas_breakpiece.h" |
| |
| #include "third_party/base/check_op.h" |
| #include "third_party/base/numerics/safe_conversions.h" |
| #include "xfa/fgas/layout/cfgas_textuserdata.h" |
| |
| CFGAS_BreakPiece::CFGAS_BreakPiece() = default; |
| |
| CFGAS_BreakPiece::CFGAS_BreakPiece(const CFGAS_BreakPiece& other) = default; |
| |
| CFGAS_BreakPiece::~CFGAS_BreakPiece() = default; |
| |
| int32_t CFGAS_BreakPiece::GetEndPos() const { |
| return m_iWidth < 0 ? m_iStartPos : m_iStartPos + m_iWidth; |
| } |
| |
| size_t CFGAS_BreakPiece::GetLength() const { |
| return pdfium::base::checked_cast<size_t>(m_iCharCount); |
| } |
| |
| CFGAS_Char* CFGAS_BreakPiece::GetChar(int32_t index) const { |
| return GetChar(pdfium::base::checked_cast<size_t>(index)); |
| } |
| |
| CFGAS_Char* CFGAS_BreakPiece::GetChar(size_t index) const { |
| DCHECK_LT(index, GetLength()); |
| DCHECK(m_pChars); |
| return &(*m_pChars)[m_iStartChar + index]; |
| } |
| |
| WideString CFGAS_BreakPiece::GetString() const { |
| WideString ret; |
| ret.Reserve(m_iCharCount); |
| for (int32_t i = m_iStartChar; i < m_iStartChar + m_iCharCount; i++) |
| ret += static_cast<wchar_t>((*m_pChars)[i].char_code()); |
| return ret; |
| } |
| |
| std::vector<int32_t> CFGAS_BreakPiece::GetWidths() const { |
| std::vector<int32_t> ret; |
| ret.reserve(m_iCharCount); |
| for (int32_t i = m_iStartChar; i < m_iStartChar + m_iCharCount; i++) |
| ret.push_back((*m_pChars)[i].m_iCharWidth); |
| return ret; |
| } |