1 files changed, 59 insertions, 0 deletions
diff --git a/core/fpdfapi/font/cpdf_cmapmanager.cpp b/core/fpdfapi/font/cpdf_cmapmanager.cpp
new file mode 100644
index 0000000000..040af5556a
--- /dev/null
+++ b/core/fpdfapi/font/cpdf_cmapmanager.cpp
@@ -0,0 +1,59 @@
+// 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/stl_util.h"
+
+CPDF_CMapManager::CPDF_CMapManager() {}
+
+CPDF_CMapManager::~CPDF_CMapManager() {}
+
+CFX_RetainPtr<CPDF_CMap> CPDF_CMapManager::GetPredefinedCMap(
+    const CFX_ByteString& name,
+    bool bPromptCJK) {
+  auto it = m_CMaps.find(name);
+  if (it != m_CMaps.end())
+    return it->second;
+
+  CFX_RetainPtr<CPDF_CMap> pCMap = LoadPredefinedCMap(name, bPromptCJK);
+  if (!name.IsEmpty())
+    m_CMaps[name] = pCMap;
+
+  return pCMap;
+}
+
+CFX_RetainPtr<CPDF_CMap> CPDF_CMapManager::LoadPredefinedCMap(
+    const CFX_ByteString& name,
+    bool bPromptCJK) {
+  const char* pname = name.c_str();
+  if (*pname == '/')
+    pname++;
+
+  auto pCMap = pdfium::MakeRetain<CPDF_CMap>();
+  pCMap->LoadPredefined(this, pname, bPromptCJK);
+  return pCMap;
+}
+
+CPDF_CID2UnicodeMap* CPDF_CMapManager::GetCID2UnicodeMap(CIDSet charset,
+                                                         bool bPromptCJK) {
+  if (!m_CID2UnicodeMaps[charset])
+    m_CID2UnicodeMaps[charset] = LoadCID2UnicodeMap(charset, bPromptCJK);
+
+  return m_CID2UnicodeMaps[charset].get();
+}
+
+std::unique_ptr<CPDF_CID2UnicodeMap> CPDF_CMapManager::LoadCID2UnicodeMap(
+    CIDSet charset,
+    bool bPromptCJK) {
+  auto pMap = pdfium::MakeUnique<CPDF_CID2UnicodeMap>();
+  pMap->Load(this, charset, bPromptCJK);
+  return pMap;
+}