Move core/fpdfapi/fpdf_cmaps to core/fpdfapi/cmaps

core/fpdfapi/fpdf_cmaps/fpdf_cmaps.cpp

Index: core/fpdfapi/fpdf_cmaps/fpdf_cmaps.cpp
diff --git a/core/fpdfapi/fpdf_cmaps/fpdf_cmaps.cpp b/core/fpdfapi/fpdf_cmaps/fpdf_cmaps.cpp
deleted file mode 100644
index 2af78102bab5bb3784f78f9c44e7e9fbae3eea69..0000000000000000000000000000000000000000
--- a/core/fpdfapi/fpdf_cmaps/fpdf_cmaps.cpp
+++ /dev/null
@@ -1,154 +0,0 @@
-// Copyright 2014 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/fpdf_cmaps/cmap_int.h"
-
-#include "core/fpdfapi/cpdf_modulemgr.h"
-#include "core/fpdfapi/fpdf_font/font_int.h"
-#include "core/fpdfapi/fpdf_page/cpdf_pagemodule.h"
-
-extern "C" {
-
-static int compareWord(const void* p1, const void* p2) {
-  return (*(uint16_t*)p1) - (*(uint16_t*)p2);
-}
-
-static int compareWordRange(const void* key, const void* element) {
-  if (*(uint16_t*)key < *(uint16_t*)element)
-    return -1;
-  if (*(uint16_t*)key > ((uint16_t*)element)[1])
-    return 1;
-  return 0;
-}
-
-static int compareDWordRange(const void* p1, const void* p2) {
-  uint32_t key = *(uint32_t*)p1;
-  uint16_t hiword = (uint16_t)(key >> 16);
-  uint16_t* element = (uint16_t*)p2;
-  if (hiword < element[0])
-    return -1;
-  if (hiword > element[0])
-    return 1;
-
-  uint16_t loword = (uint16_t)key;
-  if (loword < element[1])
-    return -1;
-  if (loword > element[2])
-    return 1;
-  return 0;
-}
-
-static int compareDWordSingle(const void* p1, const void* p2) {
-  uint32_t key = *(uint32_t*)p1;
-  uint32_t value = ((*(uint16_t*)p2) << 16) | ((uint16_t*)p2)[1];
-  if (key < value)
-    return -1;
-  if (key > value)
-    return 1;
-  return 0;
-}
-
-};  // extern "C"
-
-void FPDFAPI_FindEmbeddedCMap(const CFX_ByteString& bsName,
-                              int charset,
-                              int coding,
-                              const FXCMAP_CMap*& pMap) {
-  pMap = nullptr;
-  CPDF_FontGlobals* pFontGlobals =
-      CPDF_ModuleMgr::Get()->GetPageModule()->GetFontGlobals();
-  const FXCMAP_CMap* pCMaps =
-      pFontGlobals->m_EmbeddedCharsets[charset].m_pMapList;
-  for (uint32_t i = 0; i < pFontGlobals->m_EmbeddedCharsets[charset].m_Count;
-       i++) {
-    if (bsName == pCMaps[i].m_Name) {
-      pMap = &pCMaps[i];
-      break;
-    }
-  }
-}
-
-uint16_t FPDFAPI_CIDFromCharCode(const FXCMAP_CMap* pMap, uint32_t charcode) {
-  if (charcode >> 16) {
-    while (1) {
-      if (pMap->m_DWordMapType == FXCMAP_CMap::Range) {
-        uint16_t* found = static_cast<uint16_t*>(
-            FXSYS_bsearch(&charcode, pMap->m_pDWordMap, pMap->m_DWordCount, 8,
-                          compareDWordRange));
-        if (found)
-          return found[3] + (uint16_t)charcode - found[1];
-
-      } else if (pMap->m_DWordMapType == FXCMAP_CMap::Single) {
-        uint16_t* found = static_cast<uint16_t*>(
-            FXSYS_bsearch(&charcode, pMap->m_pDWordMap, pMap->m_DWordCount, 6,
-                          compareDWordSingle));
-        if (found)
-          return found[2];
-      }
-      if (pMap->m_UseOffset == 0)
-        return 0;
-
-      pMap = pMap + pMap->m_UseOffset;
-    }
-    return 0;
-  }
-
-  uint16_t code = (uint16_t)charcode;
-  while (1) {
-    if (!pMap->m_pWordMap)
-      return 0;
-    if (pMap->m_WordMapType == FXCMAP_CMap::Single) {
-      uint16_t* found = static_cast<uint16_t*>(FXSYS_bsearch(
-          &code, pMap->m_pWordMap, pMap->m_WordCount, 4, compareWord));
-      if (found)
-        return found[1];
-
-    } else if (pMap->m_WordMapType == FXCMAP_CMap::Range) {
-      uint16_t* found = static_cast<uint16_t*>(FXSYS_bsearch(
-          &code, pMap->m_pWordMap, pMap->m_WordCount, 6, compareWordRange));
-      if (found)
-        return found[2] + code - found[0];
-    }
-    if (pMap->m_UseOffset == 0)
-      return 0;
-
-    pMap = pMap + pMap->m_UseOffset;
-  }
-  return 0;
-}
-
-uint32_t FPDFAPI_CharCodeFromCID(const FXCMAP_CMap* pMap, uint16_t cid) {
-  // TODO(dsinclair): This should be checking both pMap->m_WordMap and
-  // pMap->m_DWordMap. There was a second while() but it was never reached as
-  // the first always returns. Investigate and determine how this should
-  // really be working. (https://codereview.chromium.org/2235743003 removed the
-  // second while loop.)
-  while (1) {
-    if (pMap->m_WordMapType == FXCMAP_CMap::Single) {
-      const uint16_t* pCur = pMap->m_pWordMap;
-      const uint16_t* pEnd = pMap->m_pWordMap + pMap->m_WordCount * 2;
-      while (pCur < pEnd) {
-        if (pCur[1] == cid)
-          return pCur[0];
-
-        pCur += 2;
-      }
-    } else if (pMap->m_WordMapType == FXCMAP_CMap::Range) {
-      const uint16_t* pCur = pMap->m_pWordMap;
-      const uint16_t* pEnd = pMap->m_pWordMap + pMap->m_WordCount * 3;
-      while (pCur < pEnd) {
-        if (cid >= pCur[2] && cid <= pCur[2] + pCur[1] - pCur[0])
-          return pCur[0] + cid - pCur[2];
-
-        pCur += 3;
-      }
-    }
-    if (pMap->m_UseOffset == 0)
-      return 0;
-
-    pMap = pMap + pMap->m_UseOffset;
-  }
-}