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#include "Tokenizer.h"
// From user vzczc
// post http://stackoverflow.com/questions/53849/how-do-i-tokenize-a-string-in-c
const std::string Tokenizer::DELIMITERS(" \t\n\r");
Tokenizer::Tokenizer(const std::string& s) :
m_string(s),
m_offset(0),
m_delimiters(DELIMITERS) {}
Tokenizer::Tokenizer(const std::string& s, const std::string& delimiters) :
m_string(s),
m_offset(0),
m_delimiters(delimiters) {}
bool Tokenizer::NextToken()
{
return NextToken(m_delimiters);
}
const std::string Tokenizer::GetToken() const{
return m_token;
}
bool Tokenizer::NextToken(const std::string& delimiters)
{
size_t i = m_string.find_first_not_of(delimiters, m_offset);
if (std::string::npos == i)
{
m_offset = m_string.length();
return false;
}
size_t j = m_string.find_first_of(delimiters, i);
if (std::string::npos == j)
{
m_token = m_string.substr(i);
m_offset = m_string.length();
return true;
}
m_token = m_string.substr(i, j - i);
m_offset = j;
return true;
}