gambas-source-code/main/share/gb_common_buffer_temp.h

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/***************************************************************************
gb_common_buffer_temp.h
(c) 2000-2017 Benoît Minisini <gambas@users.sourceforge.net>
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, 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., 51 Franklin Street, Fifth Floor, Boston,
MA 02110-1301, USA.
***************************************************************************/
#define __COMMON_BUFFER_C
#include "gb_common.h"
char COMMON_buffer[256];
int COMMON_pos;
int COMMON_len;
static char *common_buffer;
static int common_last;
void COMMON_buffer_init(char *str, int len)
{
common_buffer = str;
COMMON_len = len;
COMMON_pos = 0;
common_last = (-1);
}
int COMMON_look_char(void)
{
if (COMMON_pos >= COMMON_len)
return (-1);
return (unsigned char)(common_buffer[COMMON_pos]);
}
int COMMON_get_char(void)
{
if (COMMON_pos >= COMMON_len)
common_last = (-1);
else
common_last = (unsigned char)(common_buffer[COMMON_pos++]);
return common_last;
}
int COMMON_last_char(void)
{
return common_last;
}
int COMMON_put_char(char c)
{
if (COMMON_pos >= COMMON_len)
return (-1);
common_buffer[COMMON_pos++] = c;
return 0;
}
void COMMON_jump_space(void)
{
int c;
for(;;)
{
c = COMMON_look_char();
if (c <= 0 || !isspace(c))
break;
COMMON_pos++;
}
}
char *COMMON_get_current(void)
{
return &common_buffer[COMMON_pos];
}
int COMMON_get_size_left(void)
{
return COMMON_len - COMMON_pos;
}