84 lines
1.7 KiB
C++
84 lines
1.7 KiB
C++
// Copyright (c) 2008-2010 Raynaldo (Wildicv) Rivera, Joshua (Dark_Kilauea) Jones
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// This file is part of the "cAudio Engine"
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// For conditions of distribution and use, see copyright notice in cAudio.h
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#include "../Headers/cFileSource.h"
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#include <cstring>
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#include "../Headers/cUtils.h"
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namespace cAudio
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{
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//!Init Takes a string for file name
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cFileSource::cFileSource(const char* filename) : pFile(NULL), Valid(false), Filesize(0)
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{
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std::string safeFilename = safeCStr(filename);
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if(safeFilename.length() != 0)
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{
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pFile = fopen(safeFilename.c_str(),"rb");
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if(pFile)
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Valid = true;
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}
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if(Valid)
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{
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fseek(pFile, 0, SEEK_END);
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Filesize = ftell(pFile);
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fseek(pFile, 0, SEEK_SET);
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}
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}
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cFileSource::~cFileSource()
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{
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if(pFile)
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fclose(pFile);
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}
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//!Returns true if the FileSource is valid
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bool cFileSource::isValid()
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{
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return Valid;
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}
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//!Returns the current position of the file stream.
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int cFileSource::getCurrentPos()
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{
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return ftell(pFile);
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}
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//!Returns the file size
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int cFileSource::getSize()
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{
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return Filesize;
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}
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//!Read current FileSource Data
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int cFileSource::read(void* output, int size)
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{
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return fread(output, sizeof(char), size, pFile);
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}
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//!Seek the file stream
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bool cFileSource::seek(int amount, bool relative)
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{
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if(relative == true)
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{
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int oldamount = ftell(pFile);
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fseek(pFile, amount, SEEK_CUR);
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//check against the absolute position
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if(oldamount+amount != ftell(pFile))
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return false;
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}
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else
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{
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fseek(pFile, amount, SEEK_SET);
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if(amount != ftell(pFile))
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return false;
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}
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return true;
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}
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};
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