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/* This file is part of the Spring engine (GPL v2 or later), see LICENSE.html */
#include "IArchive.h"
#include "System/CRC.h"
#include "System/Util.h"
IArchive::IArchive(const std::string& archiveName)
: archiveFile(archiveName)
{
}
IArchive::~IArchive()
{
}
const std::string& IArchive::GetArchiveName() const
{
return archiveFile;
}
bool IArchive::FileExists(const std::string& normalizedFilePath) const
{
return (lcNameIndex.find(normalizedFilePath) != lcNameIndex.end());
}
unsigned int IArchive::FindFile(const std::string& filePath) const
{
const std::string normalizedFilePath = StringToLower(filePath);
const std::map<std::string, unsigned int>::const_iterator it = lcNameIndex.find(normalizedFilePath);
if (it != lcNameIndex.end()) {
return it->second;
} else {
return NumFiles();
}
}
bool IArchive::HasLowReadingCost(unsigned int fid) const
{
return true;
}
unsigned int IArchive::GetCrc32(unsigned int fid)
{
CRC crc;
std::vector<boost::uint8_t> buffer;
if (GetFile(fid, buffer) && !buffer.empty()) {
crc.Update(&buffer[0], buffer.size());
}
return crc.GetDigest();
}
bool IArchive::GetFile(const std::string& name, std::vector<boost::uint8_t>& buffer)
{
const unsigned int fid = FindFile(name);
const bool found = (fid < NumFiles());
if (found) {
GetFile(fid, buffer);
return true;
}
return found;
}
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