静态库封装之ComFile类

ComFile.h


/*
@author:EricsT
@data:20241024
@version:V1.0
@history:@author @data @version @contentEricsT 20241024 V1.0 新增ComFile类[common、FILE以及stream部分]
*/#pragma once#include <string>
#include <fstream>
using namespace std;class ComFile
{
public://common//=============================================================================================================/*func:判断文件是否存在@strFilePath:文件路径@csFilePath:文件路径@pchFilePath:文件路径ret:存在true，不存在false*/static bool isFileExists(string strFilePath);//20241024static bool isFileExists(CString csFilePath);//20241024static bool isFileExists(PCHAR pchFilePath);//20241024//FILE//=============================================================================================================/*func:在bin文件的指定地址处读取1个字节@fp:文件指针@iAddr:指定地址ret:读取的数据*/static BYTE ReadByteFromAddr_Bin(FILE* fp, DWORD iAddr);//20241024/*func:在bin文件的当前地址处读取1个字节@fp:文件指针ret:读取的数据*/static BYTE ReadByte_Bin(FILE* fp);//20241024/*func:在bin文件的指定地址处读取2个字节@fp:文件指针@iAddr:指定地址ret:读取的数据*/static WORD ReadWordFromAddr_Bin(FILE* fp, DWORD iAddr);//20241024/*func:在bin文件的当前地址处读取2个字节@fp:文件指针ret:读取的数据*/static WORD ReadWord_Bin(FILE* fp);//20241024/*func:在bin文件的指定地址处读取4个字节@fp:文件指针@iAddr:指定地址ret:读取的数据*/static DWORD ReadDWordFromAddr_Bin(FILE* fp, DWORD iAddr);//20241024/*func:在bin文件的当前地址处读取4个字节@fp:文件指针ret:读取的数据*/static DWORD ReadDWord_Bin(FILE* fp);//20241024/*func:在bin文件的指定地址处读取指定字节@fp:文件指针@iAddr:指定地址@num:指定字节*/static void ReadUselessByteFromAddr_Bin(FILE* fp, DWORD iAddr, DWORD num);//20241024/*func:在bin文件的当前地址处读取指定字节@fp:文件指针@num:指定字节*/static void ReadUselessByte_Bin(FILE* fp, DWORD num);//20241024//stream//=============================================================================================================/*func:在stream文件中读取一行@ifs:文件流ret:读取的内容*/static string GetLine_Stream(ifstream& ifs);//20241024};

ComFile.cpp


/*
@author:EricsT
@data:20241024
@version:V1.0
*/#include "stdafx.h"
#include "ComFile.h"
#include <io.h>bool ComFile::isFileExists(string strFilePath)
{if (-1 == _access(strFilePath.c_str(), 0))return false;return true;
}bool ComFile::isFileExists(CString csFilePath)
{//CStringToStringint len = csFilePath.GetLength();PCHAR pch = new char[len + 1];size_t pchSize = wcstombs(pch, csFilePath, len + 1);if (pchSize == wstring::npos){delete pch;return "";}string strFilePath(pch);delete pch;if (-1 == _access(strFilePath.c_str(), 0))return false;return true;
}bool ComFile::isFileExists(PCHAR pchFilePath)
{if (-1 == _access(pchFilePath, 0))return false;return true;
}BYTE ComFile::ReadByteFromAddr_Bin(FILE* fp, DWORD iAddr)
{if (nullptr == fp)return 0;BYTE bRet = 0;fseek(fp, iAddr, SEEK_SET);fread(&bRet, sizeof(BYTE), 1, fp);return bRet & 0xFF;
}BYTE ComFile::ReadByte_Bin(FILE* fp)
{if (nullptr == fp)return 0;BYTE bRet = 0;fread(&bRet, sizeof(BYTE), 1, fp);return bRet & 0xFF;
}WORD ComFile::ReadWordFromAddr_Bin(FILE* fp, DWORD iAddr)
{if (nullptr == fp)return 0;WORD wRet = 0;fseek(fp, iAddr, SEEK_SET);fread(&wRet, sizeof(WORD), 1, fp);return wRet & 0xFFFF;
}WORD ComFile::ReadWord_Bin(FILE * fp)
{if (nullptr == fp)return 0;WORD wRet = 0;fread(&wRet, sizeof(WORD), 1, fp);return wRet & 0xFFFF;
}DWORD ComFile::ReadDWordFromAddr_Bin(FILE* fp, DWORD iAddr)
{if (nullptr == fp)return 0;DWORD dwRet = 0;fseek(fp, iAddr, SEEK_SET);fread(&dwRet, sizeof(DWORD), 1, fp);return dwRet & 0xFFFFFFFF;
}DWORD ComFile::ReadDWord_Bin(FILE* fp)
{if (nullptr == fp)return 0;DWORD dwRet = 0;fread(&dwRet, sizeof(DWORD), 1, fp);return dwRet & 0xFFFFFFFF;
}void ComFile::ReadUselessByteFromAddr_Bin(FILE* fp, DWORD iAddr, DWORD num)
{if (nullptr == fp)return;BYTE bRet;fseek(fp, iAddr, SEEK_SET);for (int i = 0; i < num; i++)fread(&bRet, sizeof(BYTE), 1, fp);
}void ComFile::ReadUselessByte_Bin(FILE* fp, DWORD num)
{if (nullptr == fp)return;BYTE bRet;for (int i = 0; i < num; i++)fread(&bRet, sizeof(BYTE), 1, fp);
}std::string ComFile::GetLine_Stream(ifstream& ifs)
{if (!ifs.is_open())return string();string strLine;getline(ifs, strLine);return strLine;
}

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