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51 lines
1.2 KiB
51 lines
1.2 KiB
// Copyright 2016 PDFium Authors. All rights reserved. |
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// Use of this source code is governed by a BSD-style license that can be |
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// found in the LICENSE file. |
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// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
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#include "xfa/fde/cfx_chariter.h" |
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CFX_CharIter::CFX_CharIter(const CFX_WideString& wsText) |
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: m_wsText(wsText), m_nIndex(0) { |
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ASSERT(!wsText.IsEmpty()); |
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} |
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CFX_CharIter::~CFX_CharIter() {} |
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bool CFX_CharIter::Next(bool bPrev) { |
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if (bPrev) { |
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if (m_nIndex <= 0) |
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return false; |
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m_nIndex--; |
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} else { |
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if (m_nIndex + 1 >= m_wsText.GetLength()) |
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return false; |
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m_nIndex++; |
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} |
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return true; |
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} |
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FX_WCHAR CFX_CharIter::GetChar() { |
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return m_wsText.GetAt(m_nIndex); |
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} |
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void CFX_CharIter::SetAt(int32_t nIndex) { |
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if (nIndex < 0 || nIndex >= m_wsText.GetLength()) |
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return; |
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m_nIndex = nIndex; |
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} |
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int32_t CFX_CharIter::GetAt() const { |
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return m_nIndex; |
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} |
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bool CFX_CharIter::IsEOF(bool bTail) const { |
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return bTail ? (m_nIndex + 1 == m_wsText.GetLength()) : (m_nIndex == 0); |
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} |
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IFX_CharIter* CFX_CharIter::Clone() { |
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CFX_CharIter* pIter = new CFX_CharIter(m_wsText); |
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pIter->m_nIndex = m_nIndex; |
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return pIter; |
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}
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