107 lines
2.1 KiB
C
107 lines
2.1 KiB
C
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/***************************************************************************
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gb_common_buffer_temp.h
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common buffer useful routines
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(c) 2000-2005 Beno<EFBFBD>t Minisini <gambas@users.sourceforge.net>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 1, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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***************************************************************************/
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#define __COMMON_BUFFER_C
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#include "gb_common.h"
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PUBLIC char COMMON_buffer[256];
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PUBLIC long COMMON_pos;
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static char *common_buffer;
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static long common_len;
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static int common_last;
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PUBLIC void COMMON_buffer_init(char *str, long len)
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{
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common_buffer = str;
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common_len = len;
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COMMON_pos = 0;
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common_last = (-1);
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}
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PUBLIC int COMMON_look_char(void)
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{
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if (COMMON_pos >= common_len)
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return (-1);
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return (unsigned char)(common_buffer[COMMON_pos]);
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}
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PUBLIC int COMMON_get_char(void)
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{
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if (COMMON_pos >= common_len)
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common_last = (-1);
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else
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common_last = (unsigned char)(common_buffer[COMMON_pos++]);
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return common_last;
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}
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PUBLIC int COMMON_last_char(void)
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{
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return common_last;
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}
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PUBLIC int COMMON_put_char(char c)
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{
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if (COMMON_pos >= common_len)
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return (-1);
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common_buffer[COMMON_pos++] = c;
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return 0;
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}
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PUBLIC void COMMON_jump_space(void)
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{
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int c;
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for(;;)
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{
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c = COMMON_look_char();
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if (c <= 0 || !isspace(c))
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break;
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COMMON_pos++;
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}
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}
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PUBLIC char *COMMON_get_current(void)
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{
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return &common_buffer[COMMON_pos];
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}
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PUBLIC long COMMON_get_size_left(void)
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{
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return common_len - COMMON_pos;
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}
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