C++的ASCII码文件和串函数实现的文本编辑器

#include"Utility.h" #include"Lk_list_double.h" #include"String.h" #include"Editor.h" void main(int argc, char *argv[]) // count, values of command-line arguments /* Pre: Names of input and output files are given as command-line arguments. Post: Reads an input file that contains lines (character strings), performs simple editing operations on the lines, and writes the edited version to the output file. Uses: methods of class Editor */ { char infName[256],outfName[256]; if (argc < 2) { cout << "Please input inputfile name(eg. file_in.txt):"; cin >> infName; } else strcpy(infName,argv[1]); ifstream file_in(infName); // Declare and open the input stream. if (file_in == 0) { cout << "Can't open input file " << infName << endl; exit (1); } if (argc < 3) { cout << "Please input outputfile name(eg. file_out.txt):"; cin >> outfName; } else strcpy(outfName,argv[2]); ofstream file_out(outfName); // Declare and open the output stream. if (file_out == 0) { cout << "Can't open output file " << outfName << endl; exit (1); } Editor buffer(&file_in, &file_out); while (buffer.get_command()) buffer.run_command(); }