100 lines
1.9 KiB
C
100 lines
1.9 KiB
C
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/***************************************************************************
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subst.c
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string substitution routines
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(c) 2000-2007 Benoit 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 __GBX_SUBST_C
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#include "gb_common.h"
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#include "gb_error.h"
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#include "gbx_value.h"
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#include "gbx_debug.h"
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#include "gbx_string.h"
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#include "gbx_subst.h"
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static char *subst_buffer = NULL;
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static char _temp[16];
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static int _ntemp;
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static void dump_temp(void)
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{
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int n = _ntemp;
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if (n)
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{
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_ntemp = 0;
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SUBST_add(_temp, n);
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}
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}
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PUBLIC void SUBST_init(void)
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{
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subst_buffer = NULL;
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_ntemp = 0;
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}
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// len == 0 est possible ! On peut vouloir ajouter une chaîne vide.
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PUBLIC void SUBST_add(const char *src, int len)
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{
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int old_len;
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if (!src)
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return;
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if (len < 0)
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len = strlen(src);
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if (len <= 0)
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return;
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dump_temp();
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old_len = STRING_length(subst_buffer);
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STRING_extend(&subst_buffer, old_len + len);
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memcpy(&subst_buffer[old_len], src, len);
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}
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PUBLIC void SUBST_add_char(unsigned char c)
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{
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if (_ntemp == sizeof(_temp))
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dump_temp();
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_temp[_ntemp++] = c;
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}
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PUBLIC void SUBST_exit(void)
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{
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dump_temp();
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STRING_extend_end(&subst_buffer);
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}
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PUBLIC char *SUBST_buffer(void)
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{
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return subst_buffer;
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}
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