public void Concat(SequencedString s2)
{
for (int i = 0; i < s2.Length; i++)
{
this.Concat(s2[i]);
}
}
public int IndexOf(SequencedString sub)
{
int i = 0, j;
bool found = false;
if (sub.Length == 0)
{
return(0);
}
while (i < count)
{
j = 0;
while (j < sub.Length && this.items[i + j] == sub[j])
{
j++;
}
if (j == sub.Length)
{
found = true;
break;
}
else
{
i++;
}
}
if (found)
{
return(i);
}
else
{
return(-1);
}
}
public static SequencedString operator +(SequencedString s1, SequencedString s2)
{
SequencedString newstr = new SequencedString(s1.Length + s2.Length);
newstr.Concat(s1);
newstr.Concat(s2);
return(newstr);
}
public SequencedString Reverse()
{
int i;
SequencedString newstr = new SequencedString(items.Length);
for (i = this.Length - 1; i >= 0; i--)
{
newstr.Concat(this.items[i]);
}
return(newstr);
}
public SequencedString Remove(int i, int n)
{
SequencedString sub1, sub2, sub3;
sub1 = this.Substring(0, i);
sub2 = this.Substring(i, n);
sub3 = this.Substring(i + n, this.Length - i - n);
SequencedString newstr = new SequencedString(items.Length);
newstr.Concat(sub1);
newstr.Concat(sub3);
return(newstr);
}
public SequencedString Insert(int i, char c)
{
SequencedString sub1, sub2;
sub1 = this.Substring(0, i);
sub2 = this.Substring(i, this.Length - i);
SequencedString newstr = new SequencedString(items.Length + 8);
newstr.Concat(sub1);
newstr.Concat(c);
newstr.Concat(sub2);
return(newstr);
}
public SequencedString Replace(SequencedString oldsub, SequencedString newsub)
{
int i, n;
SequencedString sub1, sub3;
SequencedString newstr = new SequencedString(items.Length + newsub.Length);
i = this.IndexOf(oldsub);
if (i != -1)
{
sub1 = this.Substring(0, i);
n = oldsub.Length;
sub3 = this.Substring(i + n, this.Length - i - n);
newstr.Concat(sub1);
newstr.Concat(newstr);
newstr.Concat(sub3);
}
return(newstr);
}
public SequencedString Substring(int i, int n)
{
int j = 0;
if ((i >= 0 && n >= 0) && (i + n <= this.Length))
{
SequencedString sub = new SequencedString(n * 2);
while (j < n)
{
sub.items[j] = this.items[i + j];
j++;
}
sub.count = j;
return(sub);
}
else
{
return(null);
}
}
