Simplify PDFium by removing code that's not used in the open source repo.

core/src/fpdfapi/fpdf_font/fpdf_font_cid.cpp

 // 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 "../../../include/fpdfapi/fpdf_module.h"
 #include "../../../include/fpdfapi/fpdf_page.h"
 #include "font_int.h"
 #include "../fpdf_cmaps/cmap_int.h"
 #include "../../../include/fxge/fx_ge.h"
 #include "../../../include/fxge/fx_freetype.h"
 extern FX_DWORD FT_CharCodeFromUnicode(int encoding, FX_WCHAR unicode);
 extern FX_LPVOID FXFC_LoadPackage(FX_LPCSTR name);
 extern FX_BOOL FXFC_LoadFile(FX_LPVOID pPackage, FX_LPCSTR name, FX_LPBYTE& pBuffer, FX_DWORD& size);
 extern void FXFC_ClosePackage(FX_LPVOID pPackage);
 extern short TT2PDF(int m, FXFT_Face face);
 extern FX_BOOL FT_UseTTCharmap(FXFT_Face face, int platform_id, int encoding_id);
 extern FX_LPCSTR GetAdobeCharName(int iBaseEncoding, const CFX_ByteString* pCharNames, int charcode);
 CPDF_CMapManager::CPDF_CMapManager()
 {
-#ifndef _FPDFAPI_MINI_
     m_bPrompted = FALSE;
     m_pPackage = NULL;
-#endif
     FXSYS_memset32(m_CID2UnicodeMaps, 0, sizeof m_CID2UnicodeMaps);
 }
 CPDF_CMapManager::~CPDF_CMapManager()
 {
     DropAll(FALSE);
-#ifndef _FPDFAPI_MINI_
     if (m_pPackage) {
         FXFC_ClosePackage(m_pPackage);
     }
-#endif
 }
-#ifndef _FPDFAPI_MINI_
 FX_LPVOID CPDF_CMapManager::GetPackage(FX_BOOL bPrompt)
 {
-#ifndef FOXIT_CHROME_BUILD
-    if (m_pPackage == NULL) {
-        CFX_ByteString filename = CPDF_ModuleMgr::Get()->GetModuleFilePath(ADDIN_NAME_CJK, "FPDFCJK.BIN");
-        m_pPackage = FXFC_LoadPackage(filename);
-        if (bPrompt && m_pPackage == NULL && !m_bPrompted) {
-            m_bPrompted = TRUE;
-            if (!CPDF_ModuleMgr::Get()->DownloadModule(ADDIN_NAME_CJK)) {
-                return NULL;
-            }
-            m_pPackage = FXFC_LoadPackage(filename);
-        }
-    }
-#endif
     return m_pPackage;
 }
-#endif
 CPDF_CMap* CPDF_CMapManager::GetPredefinedCMap(const CFX_ByteString& name, FX_BOOL bPromptCJK)
 {
     CPDF_CMap* pCMap;
     if (m_CMaps.Lookup(name, (FX_LPVOID&)pCMap)) {
         return pCMap;
     }
     pCMap = LoadPredefinedCMap(name, bPromptCJK);
     if (name.IsEmpty()) {
         return pCMap;
     }
@@ skipping 345 matching lines @@
             for (int b = map.m_LeadingSegs[i * 2]; b <= map.m_LeadingSegs[i * 2 + 1]; b ++) {
                 m_pLeadingBytes[b] = 1;
             }
         }
     }
     FPDFAPI_FindEmbeddedCMap(pName, m_Charset, m_Coding, m_pEmbedMap);
     if (m_pEmbedMap) {
         m_bLoaded = TRUE;
         return TRUE;
     }
-#ifndef _FPDFAPI_MINI_
     FX_LPVOID pPackage = pMgr->GetPackage(bPromptCJK);
     FX_LPBYTE pBuffer;
     FX_DWORD size;
     if (pPackage == NULL || !FXFC_LoadFile(pPackage, m_PredefinedCMap, pBuffer, size)) {
         return FALSE;
     }
     m_pMapping = FX_Alloc(FX_WORD, 65536);
     FX_DWORD dwRecodeEndPos = 0;
     if (pBuffer[5] == 0) {
         FX_DWORD dwStartIndex = *(FX_DWORD*)(pBuffer + 8);
@@ skipping 23 matching lines @@
         if (dwMapLen) {
             m_pUseMap = FX_NEW CPDF_CMap;
             CFX_ByteString bsName(pBuffer + dwRecodeEndPos + 4 , dwMapLen);
             if (m_pUseMap) {
                 m_pUseMap->LoadPredefined(pMgr, bsName, bPromptCJK);
             }
         }
     }
     FX_Free(pBuffer);
     m_bLoaded = TRUE;
-#endif
     return TRUE;
 }
 extern "C" {
     static int compare_dword(const void* data1, const void* data2)
     {
         return (*(FX_DWORD*)data1) - (*(FX_DWORD*)data2);
     }
 };
 FX_BOOL CPDF_CMap::LoadEmbedded(FX_LPCBYTE pData, FX_DWORD size)
 {
@@ skipping 256 matching lines @@
                 str[2] = (FX_BYTE)(charcode >> 8);
                 str[3] = (FX_BYTE)charcode;
                 return 4;
             }
     }
     return 0;
 }
 CPDF_CID2UnicodeMap::CPDF_CID2UnicodeMap()
 {
     m_EmbeddedCount = 0;
-#ifndef _FPDFAPI_MINI_
     m_pExternalMap = NULL;
-#endif
 }
 CPDF_CID2UnicodeMap::~CPDF_CID2UnicodeMap()
 {
-#ifndef _FPDFAPI_MINI_
     if (m_pExternalMap) {
         delete m_pExternalMap;
     }
-#endif
 }
 FX_BOOL CPDF_CID2UnicodeMap::Initialize()
 {
-#ifndef _FPDFAPI_MINI_
     m_pExternalMap = FX_NEW CPDF_FXMP;
-#endif
     return TRUE;
 }
 FX_BOOL CPDF_CID2UnicodeMap::IsLoaded()
 {
-#ifdef _FPDFAPI_MINI_
-    return m_EmbeddedCount != 0;
-#else
     return m_EmbeddedCount != 0 || (m_pExternalMap != NULL && m_pExternalMap->IsLoaded());
-#endif
 }
 FX_WCHAR CPDF_CID2UnicodeMap::UnicodeFromCID(FX_WORD CID)
 {
     if (m_Charset == CIDSET_UNICODE) {
         return CID;
     }
     if (CID < m_EmbeddedCount) {
         return m_pEmbeddedMap[CID];
     }
-#ifdef _FPDFAPI_MINI_
-    return 0;
-#else
     FX_LPCBYTE record = m_pExternalMap->GetRecord(CID);
     if (record == NULL) {
         return 0;
     }
     return *(FX_WORD*)record;
-#endif
 }
 void FPDFAPI_LoadCID2UnicodeMap(int charset, const FX_WORD*& pMap, FX_DWORD& count);
 void CPDF_CID2UnicodeMap::Load(CPDF_CMapManager* pMgr, int charset, FX_BOOL bPromptCJK)
 {
     m_Charset = charset;
     FPDFAPI_LoadCID2UnicodeMap(charset, m_pEmbeddedMap, m_EmbeddedCount);
     if (m_EmbeddedCount) {
         return;
     }
-#ifndef _FPDFAPI_MINI_
     FX_LPVOID pPackage = pMgr->GetPackage(bPromptCJK);
     if (pPackage == NULL) {
         return;
     }
     m_pExternalMap->LoadFile(pPackage, FX_BSTRC("CIDInfo_") + g_CharsetNames[charset]);
-#endif
 }
 #include "ttgsubtable.h"
 CPDF_CIDFont::CPDF_CIDFont()
 {
     m_pCMap = NULL;
     m_pAllocatedCMap = NULL;
     m_pCID2UnicodeMap = NULL;
     m_pAnsiWidths = NULL;
     m_pCIDToGIDMap = NULL;
     m_bCIDIsGID = FALSE;
@@ skipping 537 matching lines @@
             if (index == 0 || index == 0xffff) {
                 return charcode == 0 ? -1 : (int)charcode;
             } else {
                 return index;
             }
         }
         if (m_Charset == CIDSET_JAPAN1) {
             if (unicode == '\\') {
                 unicode = '/';
             }
-#if !defined(_FPDFAPI_MINI_) && _FXM_PLATFORM_ != _FXM_PLATFORM_APPLE_
+#if _FXM_PLATFORM_ != _FXM_PLATFORM_APPLE_
             else if (unicode == 0xa5) {
                 unicode = 0x5c;
             }
 #endif
         }
         if (m_Font.m_Face == NULL) {
             return unicode;
         }
         int err = FXFT_Select_Charmap(m_Font.m_Face, FXFT_ENCODING_UNICODE);
         if (err != 0) {
@@ skipping 329 matching lines @@
         if (middlecode > CID) {
             end = middle - 1;
         } else if (middlecode < CID) {
             begin = middle + 1;
         } else {
             return &Japan1_VertCIDs[middle].a;
         }
     }
     return NULL;
 }