mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2024-11-11 07:42:18 +00:00
91 lines
2 KiB
C
91 lines
2 KiB
C
/*
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#FILENAME#
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#DESCRIPTION#
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Copyright (C) 2002 #AUTHOR#
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Author: #AUTHOR#
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Date: #DATE#
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) 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.
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See the 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:
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Free Software Foundation, Inc.
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59 Temple Place - Suite 330
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Boston, MA 02111-1307, USA
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*/
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#include <string.h>
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#include <ctype.h>
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#include "QF/dstring.h"
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#include "QF/cbuf.h"
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#include "QF/cvar.h"
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#include "exp.h"
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void
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GIB_Process_Variable (struct dstring_s *dstr)
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{
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int i;
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cvar_t *var;
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for (i = 0; dstr->str[i] == '$'; i++);
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i--;
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for (; i >= 0; i--) {
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var = Cvar_FindVar (dstr->str+i+1);
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if (!var)
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return;
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dstr->str[i] = 0;
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dstring_appendstr (dstr, var->string);
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}
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}
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void
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GIB_Process_Variables_All (struct dstring_s *token)
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{
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int i, n;
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dstring_t *var = dstring_newstr ();
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for (i = 0; token->str[i]; i++) {
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if (token->str[i] == '$') {
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for (n = 1; token->str[i+n] == '$'; n++); // get past $s
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for (; isalnum(token->str[i+n]); n++); // find end of var
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dstring_insert (var, 0, token->str+i, n); // extract it
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GIB_Process_Variable (var);
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dstring_replace (token, i, n, var->str, strlen(var->str));
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i += strlen (var->str) - 1;
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dstring_clearstr (var);
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}
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}
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}
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int
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GIB_Process_Math (struct dstring_s *token)
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{
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double value;
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value = EXP_Evaluate (token->str);
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if (EXP_ERROR) {
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// FIXME: Give real error descriptions
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Cbuf_Error ("math", "Expression \"%s\" caused error %i", token->str, EXP_ERROR);
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return -1;
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} else {
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dstring_clearstr (token);
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dsprintf (token, "%.10g", value);
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}
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return 0;
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}
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