GeezerVison

#include "Utils.h" // Check if a file exists bool Utils::FileExists(string p_sPath) { if (FILE * file = fopen(p_sPath.c_str(), "r")) { fclose(file); return true; } else { return false; } } // Delete a file bool Utils::DeleteSourceFile(string p_sFile) { return (bool)remove(p_sFile.c_str()); } // Function used to read a file string Utils::ReadSourceFile(string p_sFilename) { string contents = ""; FILE* f = fopen(p_sFilename.c_str(), "rb"); // Get file size fseek(f, 0, SEEK_END); size_t size = ftell(f); char* cdata = new char[size + 1]; cdata[size] = '\0'; // Read file rewind(f); fread(cdata, sizeof(char), size, f); fclose(f); // Return data contents = cdata; delete[] cdata; return contents; } // Get the size of a file size_t Utils::GetSize(string p_sFilename) { size_t size; FILE* f = fopen(p_sFilename.c_str(), "rb"); // Get file size fseek(f, 0, SEEK_END); size = ftell(f); rewind(f); fclose(f); return size; } // Read binary file unsigned char* Utils::ReadBinaryFile(string p_sFilename, size_t *p_rSize) { unsigned char *p = NULL; FILE* f = NULL; size_t res = 0; if (!FileExists(p_sFilename)) { cout << "Binary file does not exists!" << endl; return NULL; } // Get size and allocate space *p_rSize = GetSize(p_sFilename); if (*p_rSize == 0) return NULL; f = fopen(p_sFilename.c_str(), "rb"); p = new unsigned char[*p_rSize]; // Read file rewind(f); res = fread(p, sizeof(unsigned char), *p_rSize, f); fclose(f); if (res == 0) { delete[] p; return NULL; } return p; } // Write output to file void Utils::WriteToFile(string p_sOutputFile, string p_sData) { FILE* f = fopen(p_sOutputFile.c_str(), "ab"); // Write fwrite(p_sData.c_str(), p_sData.length(), sizeof(char), f); // Close fclose(f); } // Write a binary file size_t Utils::WriteBinaryFile(string p_sOutputFile, unsigned char *p_pcData, size_t p_nSize) { size_t nResult = 0; FILE* f = fopen(p_sOutputFile.c_str(), "wb"); // Write nResult = fwrite(p_pcData, p_nSize, sizeof(char), f); // Close fclose(f); return nResult; } // Return hex string for a char string Utils::CharToHexString(char p_cChar) { stringstream ss; ss << hex << (int)p_cChar; string mystr = ss.str(); return mystr; } // Convert int to hex string Utils::IntToHexString(size_t p_iNumber) { std::stringstream stream; stream << std::hex << p_iNumber; std::string result(stream.str()); return result; } // Function used to check if a character is "string": [a-z][A-Z][0-9][Specail] bool Utils::IsString(char p_cCharacter) { return (p_cCharacter >= 32 && p_cCharacter <= 126 && p_cCharacter != '"' && p_cCharacter != ')' && p_cCharacter != '(' && p_cCharacter != ','); } // Function to convert a string to lower string Utils::ToLower(string p_sString) { string result = ""; for (size_t i = 0; i < p_sString.length(); i++) { if (p_sString[i] >= 65 && p_sString[i] <= 90) result += (char)(p_sString[i] + 32); else result += p_sString[i]; } return result; }