TCDynStr::TCDynStr(const TCString& str,uint pos,uint count)
/****************************************************************************
*
* Function: TCDynStr::TCDynStr
* Parameters: str - TCString to copy from
* pos - Starting position in the string
* count - Number of characters to copy
*
* Description: Constructs a string from another string, starting at the
* position 'pos' and including 'count' characters.
*
****************************************************************************/
{
CHECK(str.valid());
if (pos > str.length())
pos = str.length();
if (count > str.length() - pos)
count = str.length() - pos;
len = count+1;
size = computeSize(len);
if ((text = new char[size]) != NULL) {
memcpy(text,(const char *)str+pos,len);
text[count] = '\0'; // Null terminate the string
}
}
TCSubStr::TCSubStr(const TCString& str,uint pos,uint count)
/****************************************************************************
*
* Function: TCSubStr::TCSubStr
* Parameters: str - TCString to copy from
* pos - Starting position in the string
* count - Number of characters to copy
*
* Description: Constructs a TCSubStr from another string, starting at the
* position 'pos' and including 'count' characters.
*
****************************************************************************/
{
CHECK(str.valid());
if (pos > str.length())
pos = str.length();
if (count > str.length() - pos)
count = str.length() - pos;
len = count+1;
text = (char *)((const char *)str + pos);
}
TCDynStr operator * (const TCString& s1,uint count)
{
CHECK(s1.valid());
TCDynStr s(s1);
return s *= count;
}
TCDynStr operator + (const char *s1,const TCString& s2)
{
CHECK(s1 != NULL && s2.valid());
TCDynStr s(s1);
return s += s2;
}
TCDynStr operator + (const TCString& s1,const TCString& s2)
{
CHECK(s1.valid() && s2.valid());
TCDynStr s(s1);
return s += s2;
}