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73 lines
1.6 KiB
C++
73 lines
1.6 KiB
C++
/*
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* CSaveFile.cpp, part of VCMI engine
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*
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* Authors: listed in file AUTHORS in main folder
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*
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* License: GNU General Public License v2.0 or later
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* Full text of license available in license.txt file, in main folder
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*
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*/
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#include "StdInc.h"
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#include "CSaveFile.h"
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VCMI_LIB_NAMESPACE_BEGIN
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CSaveFile::CSaveFile(const boost::filesystem::path &fname)
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: serializer(this)
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{
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openNextFile(fname);
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}
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//must be instantiated in .cpp file for access to complete types of all member fields
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CSaveFile::~CSaveFile() = default;
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int CSaveFile::write(const std::byte * data, unsigned size)
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{
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sfile->write(reinterpret_cast<const char *>(data), size);
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return size;
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}
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void CSaveFile::openNextFile(const boost::filesystem::path &fname)
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{
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fName = fname;
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try
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{
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sfile = std::make_unique<std::fstream>(fname.c_str(), std::ios::out | std::ios::binary);
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sfile->exceptions(std::ifstream::failbit | std::ifstream::badbit); //we throw a lot anyway
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if(!(*sfile))
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THROW_FORMAT("Error: cannot open to write %s!", fname);
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sfile->write("VCMI",4); //write magic identifier
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serializer & ESerializationVersion::CURRENT; //write format version
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}
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catch(...)
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{
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logGlobal->error("Failed to save to %s", fname.string());
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clear();
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throw;
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}
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}
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void CSaveFile::reportState(vstd::CLoggerBase * out)
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{
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out->debug("CSaveFile");
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if(sfile.get() && *sfile)
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{
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out->debug("\tOpened %s \tPosition: %d", fName, sfile->tellp());
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}
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}
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void CSaveFile::clear()
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{
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fName.clear();
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sfile = nullptr;
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}
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void CSaveFile::putMagicBytes(const std::string &text)
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{
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write(reinterpret_cast<const std::byte*>(text.c_str()), text.length());
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}
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VCMI_LIB_NAMESPACE_END
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