libAthena/athena
2
0
Fork 0
mirror of https://github.com/libAthena/athena.git synced 2025-12-16 00:17:05 +00:00
Code Issues Packages Projects Releases Wiki Activity

Add TransactionalFileWriter

Browse Source
This commit is contained in:
Jack Andersen
2017-01-26 16:21:43 -10:00
parent a1acdac588
commit d2e080a515
2 changed files with 86 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

36
src/athena/FileWriter.cpp
View File

@@ -16,7 +16,11 @@ FileWriter::FileWriter(const std::string& filename, bool overwrite, bool globalE
m_bytePosition(0),
m_globalErr(globalErr)
{
#if _WIN32
m_filename = utility::utf8ToWide(m_filename);
#else
m_filename = filename;
#endif
open(overwrite);
}
@@ -25,7 +29,11 @@ FileWriter::FileWriter(const std::wstring& filename, bool overwrite, bool global
m_bytePosition(0),
m_globalErr(globalErr)
{
#if _WIN32
m_filename = filename;
#else
m_filename = utility::wideToUtf8(filename);
#endif
open(overwrite);
}
@@ -121,5 +129,33 @@ void FileWriter::writeUBytes(const atUint8* data, atUint64 len)
}
}
void TransactionalFileWriter::seek(atInt64 pos, SeekOrigin origin)
{
switch (origin)
{
case SeekOrigin::Begin:
m_position = pos;
break;
case SeekOrigin::Current:
m_position += pos;
break;
case SeekOrigin::End:
break;
}
}
void TransactionalFileWriter::writeUBytes(const atUint8* data, atUint64 len)
{
atUint64 neededSz = m_position + len;
if (neededSz > m_deferredBuffer.size())
{
m_deferredBuffer.reserve(neededSz * 2);
m_deferredBuffer.resize(neededSz);
}
memmove(m_deferredBuffer.data() + m_position, data, len);
m_position += len;
}
}
} // Athena