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// $Header: /usr/local/src/debian-packages/abacus-0.9.13/include/RCS/string.hh,v 1.2 1996/01/02 16:22:09 aml Exp fred $
/**************************************************************
Program: SMOG - Selection of Minimal Ordered Graphs
Author: Arlindo Oliveira (aml@ic.eecs.berkeley.edu)
Copyright 1994 University of California Berkeley / CAD Group
This software may not be distributed without
permission of the copyright holder.
****************************************************************/
#ifndef _STRING_DOT_HH_
#define _STRING_DOT_HH_
#include "string.h"
#include "utils.hh"
class string {
public:
char *ptr;
string(int n) {
ptr = new char[n];
}
string() {
ptr = NULL;
}
string(char *st) {
int size = strlen(st)+1;
ptr = new char[size];
strcpy(ptr,st);
}
~string(){
delete [] ptr;
}
operator char*() {return(ptr);}
void operator+=(const string &right) {
char *ax;
ax = ptr;
int size = strlen(ptr)+strlen(right.ptr)+2;
ptr = new char[size];
strcpy(ptr,ax);
strcat(ptr,right.ptr);
delete [] ax;
}
void operator=(const string &right) {
delete [] ptr;
if (right.ptr != NULL) {
ptr = new char[strlen(right.ptr)+1];
strcpy(ptr,right.ptr);
}
else ptr = right.ptr;
}
int operator==(const string &right) {
return
strcmp(ptr,right.ptr) != 0 ? 0 : 1;
}
int operator!=(const string &right) {
return
strcmp(ptr,right.ptr) != 0 ? 1 : 0;
}
string(const string &right) {
ptr = new char[strlen(right.ptr)+1];
strcpy(ptr,right.ptr);
}
int len() {
return(strlen(ptr));
}
char &operator[](int i) {
return(ptr[i]);
}
friend ostream &operator<<(ostream &s, string &st) ;
};
#endif // _STRING_DOT_HH_
// $Log: string.hh,v $
// Revision 1.2 1996/01/02 16:22:09 aml
// Formula compilation, evaluation and decompilation now work.
// Cells can be of type label, numerical formula or numbers.
//
//Revision 1.1 1995/12/30 14:53:29 aml
//Initial revision
//
//Revision 1.2 1994/09/10 16:04:16 aml
//Made changes to compile on hp.
//
//Revision 1.1 94/09/08 00:01:34 00:01:34 aml
//Initial revision
//
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