//
// Construct a string from the first number of characters in another string
//
STR_String::STR_String(rcSTR_String str, int len) :
pData(new char [len+8]),
Len(len),
Max(len+8)
{
assertd(pData != NULL);
assertd(str.pData != NULL);
memcpy(pData, str.pData, str.Length());
pData[str.Length()] = 0;
}
//
// Construct a string from the first number of characters in another string
//
STR_String::STR_String(rcSTR_String str, int len) :
m_data(new char[len + 8]),
m_len(len),
m_max(len + 8)
{
assertd(this->m_data != NULL);
assertd(str.this->m_data != NULL);
memcpy(this->m_data, str.ReadPtr(), str.Length());
this->m_data[str.Length()] = 0;
}
//
// Replace a substring of this string with another string
//
void STR_String::Replace(int pos, int num, rcSTR_String str)
{
//bounds(pos, 0, Length()-1);
//bounds(pos+num, 0, Length());
assertd(num >= 1);
if (str.Length() < num)
{
// Remove some data from the string by replacement
memcpy(this->m_data + pos + str.Length(), this->m_data + pos + num, this->m_len - pos - num + 1);
memcpy(this->m_data + pos, str.ReadPtr(), str.Length());
}
else {
// Insert zero or more characters into the string
AllocBuffer(this->m_len + str.Length() - num, true);
if (str.Length() != num) memcpy(this->m_data + pos + str.Length(), this->m_data + pos + num, Length() - pos - num + 1);
memcpy(this->m_data + pos, str.ReadPtr(), str.Length());
}
this->m_len += str.Length() - num;
}
//
// Replace a character in this string with another string
//
void STR_String::Replace(int pos, rcSTR_String str)
{
//bounds(pos, 0, Length()-1);
if (str.Length() < 1)
{
// Remove one character from the string
memcpy(this->m_data + pos, this->m_data + pos + 1, this->m_len - pos);
}
else {
// Insert zero or more characters into the string
AllocBuffer(this->m_len + str.Length() - 1, true);
if (str.Length() != 1) memcpy(this->m_data + pos + str.Length(), this->m_data + pos + 1, Length() - pos);
memcpy(this->m_data + pos, str.ReadPtr(), str.Length());
}
this->m_len += str.Length() - 1;
}