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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
#include "core/fpdfapi/font/cpdf_cmapmanager.h"
#include <utility>
#include "core/fpdfapi/font/cpdf_cid2unicodemap.h"
#include "core/fpdfapi/font/cpdf_cmap.h"
#include "third_party/base/ptr_util.h"
#include "third_party/base/stl_util.h"
CPDF_CMapManager::CPDF_CMapManager() {}
CPDF_CMapManager::~CPDF_CMapManager() {}
RetainPtr<CPDF_CMap> CPDF_CMapManager::GetPredefinedCMap(
const ByteString& name) {
auto it = m_CMaps.find(name);
if (it != m_CMaps.end())
return it->second;
RetainPtr<CPDF_CMap> pCMap = LoadPredefinedCMap(name);
if (!name.IsEmpty())
m_CMaps[name] = pCMap;
return pCMap;
}
RetainPtr<CPDF_CMap> CPDF_CMapManager::LoadPredefinedCMap(ByteString name) {
if (!name.IsEmpty() && name[0] == '/')
name = name.Right(name.GetLength() - 1);
auto pCMap = pdfium::MakeRetain<CPDF_CMap>();
pCMap->LoadPredefined(this, name);
return pCMap;
}
CPDF_CID2UnicodeMap* CPDF_CMapManager::GetCID2UnicodeMap(CIDSet charset) {
if (!m_CID2UnicodeMaps[charset])
m_CID2UnicodeMaps[charset] = LoadCID2UnicodeMap(charset);
return m_CID2UnicodeMaps[charset].get();
}
std::unique_ptr<CPDF_CID2UnicodeMap> CPDF_CMapManager::LoadCID2UnicodeMap(
CIDSet charset) {
auto pMap = pdfium::MakeUnique<CPDF_CID2UnicodeMap>();
pMap->Load(this, charset);
return pMap;
}
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