comment.cpp

#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>
#include <locale.h>
#include <conio.h>
#include <iostream>

using namespace std;

int main()
{
    char c;
    setlocale(LC_ALL, "Rus");

    char filePath[100];
    printf("ENTER SOURCE FILE: \n  ");
    fgets(filePath, sizeof(filePath), stdin);

    FILE *fin = fopen(filePath, "r");
    if (!fin)
    {
        printf("\nERROR!!!\n");
        system("PAUSE");
        exit(EXIT_FAILURE);
    }

    FILE *fout = fopen("output.c", "w");

    c = fgetc(fin);

    while (c != EOF)
    {
        if ((c != '/') && (c != '\"') && (c != '\''))
        {
            fputc(c, fout);
            c = fgetc(fin);
            continue;
        }

        if ((c != '\"') && (c != '\''))
        {
            c = fgetc(fin);
            if (c == '/' || c == '*')
            {
                if (c == '/')
                {
                    c = fgetc(fin);
                    while ((c != '\n')&&(c != EOF)&&(c != '\r'))
                    {
                        if (c == '\\')
                        {
                            c = fgetc(fin);
                            c = fgetc(fin);
                        }
                        else
                            c = fgetc(fin);
                    }

                    continue;
                }

                c = fgetc(fin);
                while ((c)&&(c != EOF))
                {

                    if (c == '*')
                    {
                        c = fgetc(fin);
                        if (c == '/')
                        {
                            c = fgetc(fin);
                            break;
                        }
                    }
                    else
                        c = fgetc(fin);
                }

                continue;
            }

            fputc('/', fout);
            continue;
        }

        if (c == '\"')
        {
            fputc(c, fout);
            c = fgetc(fin);
            while ((c != '\"') && (c != EOF))
            {
                if (c == '\\')
                {
                    fputc(c, fout);
                    c = fgetc(fin);
                    fputc(c, fout);
                    c = fgetc(fin);

                    if (c == '\"') break;

                    continue;
                }

                if (c == '\n' || c == '\r')
                    break;

                fputc(c, fout);
                c = fgetc(fin);
            }

            fputc(c, fout);
            c = fgetc(fin);

            continue;
        }

        fputc(c, fout);
        c = fgetc(fin);
        while ((c != '\'') && (c != EOF))
        {
            if (c == '\\')
            {
                fputc(c, fout);
                c = fgetc(fin);
                if ((c != '\n')&&(c != '\r'))
                {
                    fputc(c, fout);
                    c = fgetc(fin);
                }

            }
            if (c == '\'')break;
            if ((c != '\n')&&(c!= '\r'))
            {
                fputc(c, fout);
                c = fgetc(fin);
            }

            else break;
        }
        fputc(c, fout);
        c = fgetc(fin);

    }

    printf("COMPLETE");
    fclose(fin);
    fclose(fout);
    system("PAUSE");
    return 0;
}