Rename fgas_stream to ifgas_stream

This Cl renames the the fgas_stream files to match the internal
ifgas_stream class. The majority of the code in ifgas_stream.cpp is
moved into the anonymouse namespace.

Change-Id: I0518103d61df077782d9ab26d0ac87485417f379
Reviewed-on: https://pdfium-review.googlesource.com/3370
Reviewed-by: Nicolás Peña <npm@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>

3 files changed, 61 insertions, 61 deletions

diff --git a/xfa/fgas/crt/fgas_stream.cpp b/xfa/fgas/crt/ifgas_stream.cpp
index 02096d4966..eef19a59ff 100644
--- a/xfa/fgas/crt/fgas_stream.cpp
+++ b/xfa/fgas/crt/ifgas_stream.cpp
@@ -4,7 +4,7 @@
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
-#include "xfa/fgas/crt/fgas_stream.h"
+#include "xfa/fgas/crt/ifgas_stream.h"
 
 #if _FX_OS_ == _FX_WIN32_DESKTOP_ || _FX_OS_ == _FX_WIN32_MOBILE_ || \
     _FX_OS_ == _FX_WIN64_
@@ -321,50 +321,6 @@ bool FileSetSize(FXSYS_FILE* file, int32_t size) {
 #endif
 }
 
-}  // namespace
-
-// static
-CFX_RetainPtr<IFGAS_Stream> IFGAS_Stream::CreateStream(
-    const CFX_RetainPtr<IFX_SeekableReadStream>& pFileRead,
-    uint32_t dwAccess) {
-  auto pSR = pdfium::MakeRetain<CFGAS_Stream>();
-  if (!pSR->LoadFileRead(pFileRead, dwAccess))
-    return nullptr;
-
-  if (dwAccess & FX_STREAMACCESS_Text)
-    return pdfium::MakeRetain<CFGAS_TextStream>(pSR);
-
-  return pSR;
-}
-
-// static
-CFX_RetainPtr<IFGAS_Stream> IFGAS_Stream::CreateStream(
-    const CFX_RetainPtr<IFX_SeekableWriteStream>& pFileWrite,
-    uint32_t dwAccess) {
-  auto pSR = pdfium::MakeRetain<CFGAS_Stream>();
-  if (!pSR->LoadFileWrite(pFileWrite, dwAccess))
-    return nullptr;
-
-  if (dwAccess & FX_STREAMACCESS_Text)
-    return pdfium::MakeRetain<CFGAS_TextStream>(pSR);
-
-  return pSR;
-}
-
-// static
-CFX_RetainPtr<IFGAS_Stream> IFGAS_Stream::CreateStream(uint8_t* pData,
-                                                       int32_t length,
-                                                       uint32_t dwAccess) {
-  auto pSR = pdfium::MakeRetain<CFGAS_Stream>();
-  if (!pSR->LoadBuffer(pData, length, dwAccess))
-    return nullptr;
-
-  if (dwAccess & FX_STREAMACCESS_Text)
-    return pdfium::MakeRetain<CFGAS_TextStream>(pSR);
-
-  return pSR;
-}
-
 IFGAS_StreamImp::IFGAS_StreamImp() : m_dwAccess(0) {}
 
 CFGAS_FileStreamImp::CFGAS_FileStreamImp() : m_hFile(nullptr), m_iLength(0) {}
@@ -898,13 +854,6 @@ int32_t CFGAS_BufferStreamImp::WriteString(const wchar_t* pStr,
   return iLen;
 }
 
-// static
-CFX_RetainPtr<IFGAS_Stream> IFGAS_Stream::CreateTextStream(
-    const CFX_RetainPtr<IFGAS_Stream>& pBaseStream) {
-  ASSERT(pBaseStream);
-  return pdfium::MakeRetain<CFGAS_TextStream>(pBaseStream);
-}
-
 CFGAS_TextStream::CFGAS_TextStream(const CFX_RetainPtr<IFGAS_Stream>& pStream)
     : m_wCodePage(FX_CODEPAGE_DefANSI),
       m_wBOMLength(0),
@@ -1453,10 +1402,6 @@ CFX_RetainPtr<IFGAS_Stream> CFGAS_Stream::CreateSharedStream(uint32_t dwAccess,
   return pShared;
 }
 
-CFX_RetainPtr<IFX_SeekableReadStream> IFGAS_Stream::MakeSeekableReadStream() {
-  return CFGAS_FileRead::Create(CFX_RetainPtr<IFGAS_Stream>(this));
-}
-
 CFX_RetainPtr<CFGAS_FileRead> CFGAS_FileRead::Create(
     const CFX_RetainPtr<IFGAS_Stream>& pStream) {
   return pdfium::MakeRetain<CFGAS_FileRead>(pStream);
@@ -1478,3 +1423,59 @@ bool CFGAS_FileRead::ReadBlock(void* buffer, FX_FILESIZE offset, size_t size) {
   int32_t iLen = m_pStream->ReadData((uint8_t*)buffer, (int32_t)size);
   return iLen == (int32_t)size;
 }
+
+}  // namespace
+
+// static
+CFX_RetainPtr<IFGAS_Stream> IFGAS_Stream::CreateStream(
+    const CFX_RetainPtr<IFX_SeekableReadStream>& pFileRead,
+    uint32_t dwAccess) {
+  auto pSR = pdfium::MakeRetain<CFGAS_Stream>();
+  if (!pSR->LoadFileRead(pFileRead, dwAccess))
+    return nullptr;
+
+  if (dwAccess & FX_STREAMACCESS_Text)
+    return pdfium::MakeRetain<CFGAS_TextStream>(pSR);
+
+  return pSR;
+}
+
+// static
+CFX_RetainPtr<IFGAS_Stream> IFGAS_Stream::CreateStream(
+    const CFX_RetainPtr<IFX_SeekableWriteStream>& pFileWrite,
+    uint32_t dwAccess) {
+  auto pSR = pdfium::MakeRetain<CFGAS_Stream>();
+  if (!pSR->LoadFileWrite(pFileWrite, dwAccess))
+    return nullptr;
+
+  if (dwAccess & FX_STREAMACCESS_Text)
+    return pdfium::MakeRetain<CFGAS_TextStream>(pSR);
+
+  return pSR;
+}
+
+// static
+CFX_RetainPtr<IFGAS_Stream> IFGAS_Stream::CreateStream(uint8_t* pData,
+                                                       int32_t length,
+                                                       uint32_t dwAccess) {
+  auto pSR = pdfium::MakeRetain<CFGAS_Stream>();
+  if (!pSR->LoadBuffer(pData, length, dwAccess))
+    return nullptr;
+
+  if (dwAccess & FX_STREAMACCESS_Text)
+    return pdfium::MakeRetain<CFGAS_TextStream>(pSR);
+
+  return pSR;
+}
+
+// static
+CFX_RetainPtr<IFGAS_Stream> IFGAS_Stream::CreateTextStream(
+    const CFX_RetainPtr<IFGAS_Stream>& pBaseStream) {
+  ASSERT(pBaseStream);
+  return pdfium::MakeRetain<CFGAS_TextStream>(pBaseStream);
+}
+
+// static
+CFX_RetainPtr<IFX_SeekableReadStream> IFGAS_Stream::MakeSeekableReadStream() {
+  return CFGAS_FileRead::Create(CFX_RetainPtr<IFGAS_Stream>(this));
+}
diff --git a/xfa/fgas/crt/fgas_stream.h b/xfa/fgas/crt/ifgas_stream.h
index fdfc08205a..3ffead96dd 100644
--- a/xfa/fgas/crt/fgas_stream.h
+++ b/xfa/fgas/crt/ifgas_stream.h
@@ -4,8 +4,8 @@
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
-#ifndef XFA_FGAS_CRT_FGAS_STREAM_H_
-#define XFA_FGAS_CRT_FGAS_STREAM_H_
+#ifndef XFA_FGAS_CRT_IFGAS_STREAM_H_
+#define XFA_FGAS_CRT_IFGAS_STREAM_H_
 
 #include "core/fxcrt/cfx_retain_ptr.h"
 #include "core/fxcrt/fx_stream.h"
@@ -63,5 +63,4 @@ class IFGAS_Stream : public CFX_Retainable {
   CFX_RetainPtr<IFX_SeekableReadStream> MakeSeekableReadStream();
 };
 
-
-#endif  // XFA_FGAS_CRT_FGAS_STREAM_H_
+#endif  // XFA_FGAS_CRT_IFGAS_STREAM_H_
diff --git a/xfa/fgas/font/cfgas_fontmgr.h b/xfa/fgas/font/cfgas_fontmgr.h
index 5918a23143..dc1dfff394 100644
--- a/xfa/fgas/font/cfgas_fontmgr.h
+++ b/xfa/fgas/font/cfgas_fontmgr.h
@@ -19,7 +19,7 @@
 #include "core/fxge/fx_freetype.h"
 #include "core/fxge/ifx_systemfontinfo.h"
 #include "third_party/freetype/include/freetype/fttypes.h"
-#include "xfa/fgas/crt/fgas_stream.h"
+#include "xfa/fgas/crt/ifgas_stream.h"
 
 #define FX_FONTSTYLE_Normal 0x00
 #define FX_FONTSTYLE_FixedPitch 0x01