ArchiverUtils.hpp

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#pragma once
 
#include "AstGlobal.h"
#include "AstUtil/FileSystem.hpp"
 
#include <cstdio>
#include <cstddef>
 
AST_NAMESPACE_BEGIN
 
struct TarHeader
{
    char name[100];
    char mode[8];
    char uid[8];
    char gid[8];
    char size[12];
    char mtime[12];
    char chksum[8];
    char typeflag;
    char linkname[100];
    char magic[6];
    char version[2];
    char uname[32];
    char gname[32];
    char devmajor[8];
    char devminor[8];
    char prefix[155];
    char padding[12]; // 填充到 512 字节
};
 
// 确保结构体大小正确
static_assert(sizeof(TarHeader) == 512, "TarHeader must be exactly 512 bytes");
 
AST_UTIL_API void aTarCalculateChecksum(TarHeader& header);
 
AST_UTIL_API size_t aTarParseOctal(const char* field, size_t len);
 
AST_UTIL_API bool aTarIsZeroBlock(const TarHeader& header);
 
enum class EArchiveFormat
{
    eUnknown,    
    eTar,        
    eTarGz,      
    eTarBz2,     
    eTarXz,      
    eZip,        
    e7z,         
    eRar,        
    eGz,         
};
 
AST_UTIL_API EArchiveFormat aDetectArchiveFormat(StringView path);
 
AST_UTIL_API EArchiveFormat aDetectArchiveFormatByMagic(StringView path);
 
 
AST_UTIL_API bool aIsArchiveFile(StringView path);
 
#ifndef SWIG
 
void aResolveArchivePath(StringView source, StringView curdir,
                          std::string& outWorkDir, std::string& outRelativePath);
 
errc_t aCopyFile(StringView from, StringView to, const char* logPrefix);
 
AST_UTIL_API errc_t aCopyFileRange(FILE* src, FILE* dst, size_t size);
 
errc_t aCopyDirectoryRecursive(const fs::path& srcDir, const fs::path& dstDir, const char* logPrefix);
 
bool aIsCommandAvailable(const char* cmd);
 
errc_t aRunCommand(const std::string& cmd);
 
const char* aTarCompressFlag(EArchiveFormat fmt);
 
#endif
 
AST_NAMESPACE_END