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/* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
class GTextReadStream
{
public:
enum TokTypes
{
unknown,
eostream,
word,
numeric,
l_bra,
r_bra,
comma
};
GTextReadStream(const char *buffer, int size)
:m_cur(buffer), m_limit(buffer + size), m_last_text_position(buffer),
m_err_msg(NULL)
{}
GTextReadStream(): m_cur(NULL), m_limit(NULL), m_err_msg(NULL)
{}
~GTextReadStream()
{
my_free(m_err_msg, MYF(MY_ALLOW_ZERO_PTR));
}
int get_next_toc_type() const;
const char *get_next_word(int *word_len);
int get_next_number(double *d);
char get_next_symbol();
const char *get_last_text_position() const
{
return m_last_text_position;
}
void set_error_msg(const char *msg);
// caller should free this pointer
char *get_error_msg()
{
char *err_msg = m_err_msg;
m_err_msg = NULL;
return err_msg;
}
protected:
const char *m_cur;
const char *m_limit;
const char *m_last_text_position;
char *m_err_msg;
};
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