frowneyface

wakabadoggle.c

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

char *tag(char *dest, char* tag, char* closing_tag){
    char *out = malloc(1024);
    printf("dest:%s\n",dest);
    out = strncat(out, tag, strlen(tag));
    out = strncat(out, dest, strlen(dest));
    out = strncat(out, closing_tag, strlen(closing_tag));
    printf("out:%s\n",out);

    return out;
}

char *do_wakabamark(char *input){
    char *output = malloc(1024);
    char *temp = malloc(1024);
    int i = 0;
    int em_flag = 0, bold_flag = 0;

    while(input[i] != '\0'){
        if(bold_flag){
            if(input[i] == '*'){
                if(input[i+1] == '*'){
                    i++;
                    //bold tag was closed
                    char *s = tag(temp, "<strong>", "</strong>");
                    strncat(output, s, strlen(s));
                    bold_flag = 0;
                }else{
                    //might be another em_tag
                    em_flag = 1;
                }
            }else{
                printf("input[i]:%c\n",input[i]);
                strncat(temp, &input[i], sizeof(input[i]));
            }
        }else if(em_flag){
            if(input[i] == '*' && input[i+1] != '*'){
                char *s = tag(temp, "<em>", "</em>");
                strncat(output, s, strlen(s));
                em_flag = 0;
            }else{
                printf("input[i]:%c\n",input[i]);
                strncat(temp, &input[i], sizeof(input[i]));
            }
        }else if(input[i] == '*'){
            if(input[i+1] == '*'){
                bold_flag = 1;
                i++;
            }else{
                em_flag = 1;
            }
        }else{
            strncat(output, &input[i], sizeof(input[i]));
        }
        i++;
    }
    return output;
}

int main(){
    char *string = malloc(1024);
    char *html;
    while((string = fgets(string, 1024, stdin))){
        printf("hhhhhhhh:%s\n", string);
        html = do_wakabamark(string);
        printf("%s\n", html);
    }
    return 0;
}