67 lines
1.5 KiB
C++
Executable File
67 lines
1.5 KiB
C++
Executable File
#include "precompiled.h"
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#include "CVFSFile.h"
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#include "lib/res/mem.h"
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#include "lib/res/vfs.h"
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#include "ps/CLogger.h"
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#define LOG_CATEGORY "file"
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CVFSFile::CVFSFile() : m_Handle(0) {}
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CVFSFile::~CVFSFile()
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{
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// I hope this is the right way to delete the handle returned by
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// vfs_load... C++ destructors would be far less ambiguous ;-)
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if (m_Handle)
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mem_free_h(m_Handle);
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}
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PSRETURN CVFSFile::Load(const char* filename, uint flags /* default 0 */)
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{
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assert(!m_Handle && "Mustn't open files twice");
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if (m_Handle)
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throw PSERROR_CVFSFile_AlreadyLoaded();
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m_Handle = vfs_load(filename, m_Buffer, m_BufferSize, flags);
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if (m_Handle <= 0)
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{
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LOG(ERROR, LOG_CATEGORY, "CVFSFile: file %s couldn't be opened (vfs_load: %lld)", filename, m_Handle);
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return PSRETURN_CVFSFile_LoadFailed;
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}
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return PSRETURN_OK;
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}
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const void* CVFSFile::GetBuffer() const
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{
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// Die in a very obvious way, to avoid problems caused by
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// accidentally forgetting to check that the open succeeded
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if (!m_Handle)
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{
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debug_warn("GetBuffer() called with no file loaded");
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throw PSERROR_CVFSFile_InvalidBufferAccess();
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}
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return m_Buffer;
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}
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const size_t CVFSFile::GetBufferSize() const
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{
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return m_BufferSize;
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}
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CStr CVFSFile::GetAsString() const
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{
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// Die in a very obvious way, to avoid subtle problems caused by
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// accidentally forgetting to check that the open succeeded
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if (!m_Handle)
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{
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debug_warn("GetBuffer() called with no file loaded");
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throw PSERROR_CVFSFile_InvalidBufferAccess();
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}
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return std::string((char*)m_Buffer, m_BufferSize);
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}
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