#define HTML_PAGE "codes.html"

#define START_BLOCK "<strong>"

#define END_BLOCK "</strong>"

​

int extract()

{

​

    FILE *html;

​

    int found = 0;

    char *line = NULL, *endTag, *startTag;

    size_t len = 0;

    ssize_t read;

​

    char searchFor[80];

​

    html = fopen(HTML_PAGE, "r");

​

    if (html)

    {

        while((read = getline(&line, &len, html)) != -1)

        {

            if (found) // found line with codes we are interested in

            {

                char   *ptr = line;

                size_t nlen = strlen (END_BLOCK);

​

                while (ptr != NULL) 

                {

                    sprintf(searchFor, START_BLOCK);

                    startTag = (char *)strstr(ptr, searchFor);

                    if(!startTag)

                    {

                        nlen = strlen (START_BLOCK);

                        ptr += nlen;

                        continue;

                    }

​

                    if (strncmp(startTag + strlen(searchFor), "CO1", 3) == 0 || strncmp(startTag + strlen(searchFor), "CO2", 3) == 0)

                        got_code(startTag + strlen(searchFor), code);

                    else {

                        nlen = strlen (START_BLOCK);

                        ptr += nlen;

                        continue;

                    }

​

                    sprintf(searchFor, END_BLOCK);

                    ptr = (char *)strstr(ptr, searchFor);

​

                    if (!ptr) { found = 0; break; }

​

                    nlen = strlen (END_BLOCK);                  

                    ptr += nlen;

​

                    if (ptr)

                    {

                        // look ahead to make sure we have more to pull out

                        sprintf(searchFor, END_BLOCK);

                        endTag = (char *)strstr(ptr, searchFor);

                        if (!endTag) { break; }

                    }

                }

​

                found = 0;

                break;

            }

​

            // find the section of the downloaded page we care about

            // the next line we read will be a blob containing the html we want

            if (strstr(line, "wiki-content") != NULL)

            {

                found = 1;

            }

        }

​

        fclose(html);

    }

​

    return 0;

}

​

got_code(char *html)

{

    char    code[8];

    char    *endTag;

    struct  _code_st    *currCode;

    int i;  

​

    endTag = (char *)strstr(html, "</strong>");

    if(!endTag)return;

​

    sprintf(code, "%.7s", html);

​

    for(i=0 ; i<Data.Codes ; i++)

        if(strcasecmp(Data.Code[i].Code, code)==0)

            return;

​

    ADD_TO_LIST(currCode, _code_st, Data.Code, Data.Codes);

    currCode->Code = (char *)strdup(code);

​

    printf("Code: %s\n", code);

}