SharedBufferBrew.cpp [plain text]
#include "config.h"
#include "SharedBuffer.h"
#include "FileSystem.h"
#include "ShellBrew.h"
#include <AEEAppGen.h>
#include <AEEFile.h>
#include <AEEStdLib.h>
#include <wtf/OwnPtr.h>
#include <wtf/text/CString.h>
namespace WebCore {
PassRefPtr<SharedBuffer> SharedBuffer::createWithContentsOfFile(const String& filePath)
{
if (filePath.isEmpty())
return 0;
long long fileSize;
if (!fileExists(filePath) || !getFileSize(filePath, fileSize))
return 0;
RefPtr<SharedBuffer> result = create();
result->m_buffer.grow(fileSize);
OwnPtr<IFileMgr> fileMgr = createInstance<IFileMgr>(AEECLSID_FILEMGR);
CString filename = fileSystemRepresentation(filePath);
OwnPtr<IFile> file(IFILEMGR_OpenFile(fileMgr.get(), filename.data(), _OFM_READ));
if (!file) {
LOG_ERROR("Failed to open file %s to create shared buffer, errno(%i)", filePath.ascii().data(), IFILEMGR_GetLastError(fileMgr.get()));
return 0;
}
size_t totalBytesRead = 0;
int32 bytesRead;
while ((bytesRead = IFILE_Read(file.get(), result->m_buffer.data() + totalBytesRead, fileSize - totalBytesRead)) > 0)
totalBytesRead += bytesRead;
result->m_size = totalBytesRead;
if (totalBytesRead != fileSize) {
LOG_ERROR("Failed to fully read contents of file %s - errno(%i)", filePath.ascii().data(), IFILEMGR_GetLastError(fileMgr.get()));
return 0;
}
return result.release();
}
}