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// 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
#ifndef CORE_FPDFAPI_FONT_CPDF_CMAPPARSER_H_
#define CORE_FPDFAPI_FONT_CPDF_CMAPPARSER_H_
#include <map>
#include <utility>
#include <vector>
#include "core/fpdfapi/font/cpdf_cidfont.h"
#include "core/fpdfapi/font/cpdf_cmap.h"
#include "core/fxcrt/unowned_ptr.h"
class CPDF_CMapParser {
public:
explicit CPDF_CMapParser(CPDF_CMap* pMap);
~CPDF_CMapParser();
void ParseWord(const ByteStringView& str);
bool HasAdditionalMappings() const {
return !m_AdditionalCharcodeToCIDMappings.empty();
}
std::vector<CPDF_CMap::CIDRange> TakeAdditionalMappings() {
return std::move(m_AdditionalCharcodeToCIDMappings);
}
static CIDSet CharsetFromOrdering(const ByteStringView& ordering);
private:
friend class cpdf_cmapparser_CMap_GetCode_Test;
friend class cpdf_cmapparser_CMap_GetCodeRange_Test;
static uint32_t CMap_GetCode(const ByteStringView& word);
static bool CMap_GetCodeRange(CPDF_CMap::CodeRange& range,
const ByteStringView& first,
const ByteStringView& second);
UnownedPtr<CPDF_CMap> const m_pCMap;
int m_Status;
int m_CodeSeq;
uint32_t m_CodePoints[4];
std::vector<CPDF_CMap::CodeRange> m_CodeRanges;
std::vector<CPDF_CMap::CIDRange> m_AdditionalCharcodeToCIDMappings;
ByteString m_LastWord;
};
#endif // CORE_FPDFAPI_FONT_CPDF_CMAPPARSER_H_
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