/** \brief Extract all characters that belong to a certain charset.
\param a_szCharSet [in] Const char array of the characters allowed in the token.
\param a_strTok [out] The string that consists entirely of characters listed in a_szCharSet.
\param a_iPos [in] Position in the string from where to start reading.
\return The Position of the first character not listed in a_szCharSet.
\throw nothrow
*/
int TokenReader::ExtractToken(const char_type *a_szCharSet,
string_type &a_sTok,
int a_iPos) const
{
int iEnd = (int)m_sExpr.find_first_not_of(a_szCharSet, a_iPos);
if (iEnd == (int)string_type::npos)
iEnd = (int)m_sExpr.length();
if (iEnd != a_iPos)
a_sTok.assign(m_sExpr.begin() + a_iPos, m_sExpr.begin() + iEnd);
return iEnd;
}
//------------------------------------------------------------------
void index_storage::extract_element_content(const element& e, string_type& ret) const
{
ret.assign(e.content(), e.content_len());
clean_and_trim_string(ret);
}