/**********************************************
 * STRINGS - Demonstrate string.h02 functions *
 **********************************************/
 
#include <py65.h02>
#include <stdio.h02>
#include <stdlib.h02>
#include <string.h02>
#include <stringx.h02>

char slen, scmp, spos;
char s1  = "First string.";
char s2  = "Second string.";
char stest = "123456789012345678901234567890";
char stemp[32];
char sless = "This string is less.";
char smore = "This string is more.";
char sprt[4];
char pass = "Pass";
char fail = "Fail";

main:
  //Demo strchr(), strrch()
  putln(&s1);               //Print s1 to screen
  puts("Position of first 's' is: ");
  spos = strchr('s', &s1);  //Get position of 's'
  ctoa(spos, &sprt);        //Convert to string
  putln(&sprt);             //Print position to screen
  puts("Position of first 'x' is: ");
  spos = strchr('x', &s1);  //Get position of 's'
  ctoa(spos, &sprt);        //Convert to string
  putln(&sprt);             //Print position to screen
  puts("Position of last 's' is: ");
  spos = strrch('s', &s1);  //Get position of 's'
  ctoa(spos, &sprt);        //Convert to string
  putln(&sprt);             //Print position to screen
  puts("Position of last 'x' is: ");
  spos = strrch('x', &s1);  //Get position of 's'
  ctoa(spos, &sprt);        //Convert to string
  putln(&sprt);             //Print position to screen
  newlin();

  //Demo strlen();  
  putln(&stest);         //Print stest to screen
  slen = strlen(&stest); //Get string length
  ctoa(slen, &sprt);     //Convert to string
  puts("Length of string is ");
  putln(&sprt);          //Print length to screen
  newlin();

  //Demo setstr();
  strdst(&stemp);         //Set stemp as destination street
  puts("Address of stemp is $");
  prbyte(dsthi);          //Print stored address to string
  prbyte(dstlo);
  newlin();
  newlin();

  //Demo strcpy()
  putln("Copying s1 to stemp: ");
  strdst(&stemp);         //Set Destination String
  slen = strcpy(&s1);     //Copy s1 into Destination String
  puts("String stemp contains: ");
  putln(&stemp);          //Print stest to screen
  ctoa(slen, &sprt);      //Convert to string
  puts("Total characters copied: ");
  putln(&sprt);          //Print length to screen
  newlin();
  
  //Demo strcat()
  putln("Concatenating s2 to stemp: ");
  strdst(&stemp);         //Set Destination String
  slen = strcat(&s2);     //Copy s1 into Destination String
  puts("String stemp contains: ");
  putln(&stemp);          //Print stest to screen
  ctoa(slen, &sprt);      //Convert to string
  puts("Length of concatenated string is ");
  putln(&sprt);           //Print length to screen
  newlin();

  //Demo strcut()
  putln("Cutting s2 at position 7 to stemp: ");
  strdst(&stemp);         //Set Destination String
  slen = strcut(7, &s2);     //Copy s1 into Destination String
  puts("String stemp contains: ");
  putln(&stemp);          //Print stest to screen
  ctoa(slen, &sprt);      //Convert to string
  puts("Length of cut string is ");
  putln(&sprt);           //Print length to screen
  newlin();

  //Demo strcmp();
  puts("Comparing sless to smore: ");
  strdst(&sless);
  scmp = strcmp(&smore);  
  prbyte(scmp); newlin();
  puts("Comparing sless to sless: ");
  strdst(&sless);
  scmp = strcmp(&sless);  
  prbyte(scmp); newlin();
  puts("Comparing smore to sless: ");
  strdst(&smore);
  scmp = strcmp(&sless);
  prbyte(scmp); newlin();
  newlin();

  //Demo strspn();
  putln(&stest);         //Print test to screen
  puts("Span matching \"0123\" is: ");
  strdst(&stest);        //Set string to search
  slen = strspn("0123"); //Get position of "123"
  ctoa(slen, &sprt);     //Convert to string
  putln(&sprt);          //Print position to screen
  puts("Span matching \"0123456789\" is: ");
  strdst(&stest);        //Set string to search
  slen = strspn("0123456789");  //Get position of "123"
  ctoa(slen, &sprt);     //Convert to string
  putln(&sprt);          //Print position to screen
  puts("Span matching \"789\" is: ");
  strdst(&stest);        //Set string to search
  slen = strspn("789");  //Get position of "123"
  ctoa(slen, &sprt);     //Convert to string
  putln(&sprt);          //Print position to screen
  newlin();    

  //Demo strstr();
  putln(&stest);         //Print test to screen
  puts("Position of \"234\" is: ");
  strdst(&stest);        //Set string to search
  spos = strstr("234");  //Get position of "123"
  ctoa(spos, &sprt);     //Convert to string
  putln(&sprt);          //Print position to screen
  newlin();    

goto exit;