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// Copyright 2018 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 "xfa/fgas/font/cfx_fontsourceenum_file.h"
namespace {
constexpr wchar_t kFolderSeparator = L'/';
constexpr const char* g_FontFolders[] = {
#if _FX_PLATFORM_ == _FX_PLATFORM_LINUX_
"/usr/share/fonts", "/usr/share/X11/fonts/Type1",
"/usr/share/X11/fonts/TTF", "/usr/local/share/fonts",
#elif _FX_PLATFORM_ == _FX_PLATFORM_APPLE_
"~/Library/Fonts", "/Library/Fonts", "/System/Library/Fonts",
#elif _FX_PLATFORM_ == _FX_PLATFORM_ANDROID_
"/system/fonts",
#endif
};
} // namespace
CFX_FontSourceEnum_File::CFX_FontSourceEnum_File() {
for (size_t i = 0; i < FX_ArraySize(g_FontFolders); ++i)
m_FolderPaths.push_back(g_FontFolders[i]);
}
CFX_FontSourceEnum_File::~CFX_FontSourceEnum_File() {}
ByteString CFX_FontSourceEnum_File::GetNextFile() {
FX_FileHandle* pCurHandle =
!m_FolderQueue.empty() ? m_FolderQueue.back().pFileHandle : nullptr;
if (!pCurHandle) {
if (m_FolderPaths.empty())
return "";
pCurHandle = FX_OpenFolder(m_FolderPaths.back().c_str());
HandleParentPath hpp;
hpp.pFileHandle = pCurHandle;
hpp.bsParentPath = m_FolderPaths.back();
m_FolderQueue.push_back(hpp);
}
ByteString bsName;
bool bFolder;
ByteString bsFolderSeparator = WideString(kFolderSeparator).ToDefANSI();
while (true) {
if (!FX_GetNextFile(pCurHandle, &bsName, &bFolder)) {
FX_CloseFolder(pCurHandle);
if (!m_FolderQueue.empty())
m_FolderQueue.pop_back();
if (m_FolderQueue.empty()) {
if (!m_FolderPaths.empty())
m_FolderPaths.pop_back();
return !m_FolderPaths.empty() ? GetNextFile() : "";
}
pCurHandle = m_FolderQueue.back().pFileHandle;
continue;
}
if (bsName == "." || bsName == "..")
continue;
if (bFolder) {
HandleParentPath hpp;
hpp.bsParentPath =
m_FolderQueue.back().bsParentPath + bsFolderSeparator + bsName;
hpp.pFileHandle = FX_OpenFolder(hpp.bsParentPath.c_str());
if (!hpp.pFileHandle)
continue;
m_FolderQueue.push_back(hpp);
pCurHandle = hpp.pFileHandle;
continue;
}
bsName = m_FolderQueue.back().bsParentPath + bsFolderSeparator + bsName;
break;
}
return bsName;
}
void CFX_FontSourceEnum_File::GetNext() {
m_wsNext = GetNextFile().UTF8Decode();
}
bool CFX_FontSourceEnum_File::HasNext() const {
return !m_wsNext.IsEmpty();
}
RetainPtr<IFX_SeekableStream> CFX_FontSourceEnum_File::GetStream() const {
ASSERT(HasNext());
return IFX_SeekableStream::CreateFromFilename(m_wsNext.c_str(),
FX_FILEMODE_ReadOnly);
}
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