C / C++ / MFC

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

using namespace std;

string& str_replace(const string &search, const string &replace, string &subject)
{
    string buffer;

    int sealeng = search.length();
    int strleng = subject.length();

    if (sealeng==0)
        return subject;//no change

    for(int i=0, j=0; i<strleng; j=0 )
    {
        while (i+j<strleng && j<sealeng && subject[i+j]==search[j])
            j++;
        if (j==sealeng)//found 'search'
        {
            buffer.append(replace);
            i+=sealeng;
        }
        else
        {
            buffer.append( &subject[i++], 1);
        }
    }
    subject = buffer;
    return subject;
}


int main()
{
    FILE *fp;
    char *htmlStr, *tmp, *filename="infile.html";
//    char *findMe = "ixic\">";
    char *pos1, *pos2, *pos3;
    float retrievedNum;
    long fileSize;
    string findMe = "ixic\">";

    fp = fopen(filename, "r+b");
    fseek(fp, 0, SEEK_END);
    fileSize = ftell(fp);
    fseek(fp, 0, SEEK_SET);
    htmlStr = new char[fileSize+1];
    htmlStr[fileSize] = 0;
    fread(htmlStr, sizeof(char), fileSize, fp);
    string tmpS = htmlStr;

    string find = ",";
    string replace = "";

    tmpS = str_replace(find, replace, tmpS);

    printf("%s\n\n", tmpS.c_str() );
    fclose(fp);
    strcpy(htmlStr, tmpS.c_str() );
    pos1 = htmlStr;

    while (pos1 = strstr(pos1, findMe.c_str()))
    {
            pos1 += strlen(findMe.c_str());
            sscanf(pos1, "%f", &retrievedNum);
            printf("Retrieved: %f\n", retrievedNum);
    }

    delete htmlStr;
}

benjamin yap wrote:

how do i extract the value example 2,147.35 and -31.65 of NASDAQ

Webchat in Europe (only 4K)

Richard MacCutchan wrote:

If you mean just one small part then perhaps you could expand on your requirements.

Code-o-mat wrote:

-i don't understand what you mean by expanding requirements,

Code-o-mat wrote:

i think Saurabh.Garg (here's his post[^]) got it right