need to figure out a way to loop loop threw an array of 10 character pointers i think

Hello everyone.

The only solution I can figure to solve my problem is to create an array of 10 character pointers.

I need to split up this domain: cse.psu.edu into 2 sub domains, cse and psu
and also into a top level domain, which is edu.

The max number of sub-domains allowed is 10
and the max length of each sub domain is 65.
So i figured somthing like char subDomain[10][65]
but now i can't figure how to store the domains in it and then check validation of each character.

I was thinking somthing liek:
[subdomain1]['\0']
[subdomain2][\0']
[....]
[subdomain10]['\0'];

I'm going to be reading files from a text file so the e-mails could be all of the following:

Code:

[email protected] [email protected] @psu.edu psu.edu max.fomitchev@ [email protected] [email protected] [email protected] max@[email protected] [email protected] [email protected] [email protected] [email protected] [email protected] [email protected] [email protected] [email protected] [email protected] max@home. max@home max @home.com max@h ome.com [email protected] [email protected] [email protected] [email protected] [email protected] max#[email protected] [email protected] max%[email protected] max"[email protected] max:[email protected] max>[email protected] max<[email protected] max([email protected] max)[email protected] max,[email protected] max;[email protected] max[[email protected] max][email protected] max\[email protected] o'[email protected] max|[email protected] [email protected] too-long-of-a-user-name-aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa65@domain.com user@too-long-of-a-domain-name-aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa256.com

I already created a function that will parse the e-mails into a local part and a domain part.

Well currently my utlitiy functions only work for 1-dim character arrays, like my indexOf and GetLength, as well as my CopyTo functions...

Here is all my code:

Code:

bool IsSubDomainsValid(char *domain, char *subDomain, char *tld) { // Make sure it contains at least one '.' if(IndexOf(subDomain,'.',0) == -1) return false; int subdomainCount = 0; int startPos = 0; //SubDomain[10][64]; //0 < Length < 64 //Must not begin or end with ‘-’ //extract sub domains from domain do { int nextPos = IndexOf(domain,'.', startPos); if ( nextPos != -1 ) CopyTo(startPos + 1, nextPos - startPos, domain, subDomain); else CopyTo(startPos + 1, nextPos - startPos, domain, tld); startPos = nextPos + 1; } while ( startPos != 0 ); return true; }

That is the function i'm writing to extract the sub domains from the domain. but you can see in this funciton call:

Code:

CopyTo(startPos + 1, nextPos - startPos, domain, tld);

domain is only a 1-dim char array, char * but this won't work in my case.

Here are my utlitiy functions:

Code:

#include "stdafx.h" #include "util.h" int GetLength(const char *text, int startPos) { int size = 0; while( text[startPos] != '\0' ) { size = size + 1; ++startPos; } return size; } int IndexOf(const char *text, char aChar, int startPosition) { for ( ; startPosition < GetLength(text); startPosition++ ) { if(text[startPosition] == aChar) return startPosition; } return -1; //no character found } void Copy(const char * source, char * destination, int length) { for( int i = 0; i < length; i++ ) { destination[i] = source[i]; } destination[length] = '\0'; } /*void CopyTo(int startPosition, int length, const char *source, char *destination) { for(int i = 0; i < length; i++) { destination[i] = source[i]; } destination[length] = '\0'; }*/ void CopyTo(int startPosition, int length, const char *source, char *destination) { int i = 0; for(; i < length; i++) { destination[i] = source[startPosition++]; } destination[i] = '\0'; } void Print(char *source) { for( int i = 0; i < GetLength(source); i++ ) { std::cout << source[i]; } std::cout << std::endl; }

So what I need to do is modify my IndexOf function and CopyTo to handle a 2 dimensional character array i believe.... but everything i do isn't working...

Code:

void CopyTo(int startPosition, int length, const char *source, char **destination) { int i = 0; int j = 0; for(; i < length; i++) { for(int j < length; j++) destination[i][j] = source[startPosition++]; } destination[i][j] = '\0'; }

Can anyone think of a better way at handling this?
The reason I have to extract the sub domains and top level domains is becuase i hve to run the following checks on each sub domain and tld.
Make sure length < 7 and > 0
Make sure sub domains don't begin or end with a '-' character

I can't find any good tutorials that explain how to cycle threw a 2-dim character array and look at each element, if anyone knows of one and doesn't want to explain i'd be happy to read it.

thanks!