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forked from 0ad/0ad
0ad/source/ps/CVFSFile.h

34 lines
812 B
C++

// OO wrapper around VFS file Handles, to simplify common usages
#include "lib/res/handle.h"
#include "lib/res/file/file.h"
#include "ps/CStr.h"
#include "ps/Errors.h"
ERROR_GROUP(CVFSFile);
ERROR_TYPE(CVFSFile, LoadFailed);
ERROR_TYPE(CVFSFile, AlreadyLoaded);
ERROR_TYPE(CVFSFile, InvalidBufferAccess);
// Reads a file, then gives read-only access to the contents
class CVFSFile
{
public:
CVFSFile();
~CVFSFile();
// Returns either PSRETURN_OK or PSRETURN_CVFSFile_LoadFailed.
// Dies if a file has already been successfully loaded.
PSRETURN Load(const char* filename, uint flags = 0);
// These die if called when no file has been successfully loaded.
const void* GetBuffer() const;
size_t GetBufferSize() const;
CStr GetAsString() const;
private:
FileIOBuf m_Buffer;
size_t m_BufferSize;
};