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/*
* sactstring.c: SACTの文字列操作関連
*
* Copyright (C) 1997-1998 Masaki Chikama (Wren) <chikama@kasumi.ipl.mech.nagoya-u.ac.jp>
* 1998- <masaki-c@is.aist-nara.ac.jp>
*
* 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
*
*/
/* $Id: sactstring.c,v 1.3 2003/08/02 13:10:32 chikama Exp $ */
#include "config.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "portab.h"
#include "system.h"
#include "list.h"
#include "variable.h"
#include "sact.h"
#define DEFSTACKSIZE 100
static char **stack; // stack本体
static int idx; // stack pointer
static int idxmax; // stack pointerの最大
/**
* 文字列変数スタックの初期化
*/
void sstr_init(void) {
stack = malloc(sizeof(char *) * DEFSTACKSIZE);
idx = 0;
idxmax = DEFSTACKSIZE;
}
void sstr_reset(void) {
for (int i = 0; i < idx; i++)
free(stack[i]);
idx = 0;
free(stack);
stack = NULL;
for (SList *l = sact.strreplace; l; l = l->next) {
strexchange_t *ex = l->data;
free(ex->src);
free(ex->dst);
free(ex);
}
slist_free(sact.strreplace);
sact.strreplace = NULL;
}
/**
* 文字列変数スタックに文字列を積む
* @param strno: シナリオ上での文字列変数番号
*/
void sstr_push(int strno) {
if (idx >= idxmax) {
stack = realloc(stack, sizeof(char *) * idx*2);
idxmax = idx*2;
}
stack[idx++] = strdup(svar_get(strno));
}
/**
* 文字列変数スタックから文字列を取り出す
* @param strno: スタックから戻した文字列を格納する文字列変数番号
*/
void sstr_pop(int strno) {
if (idx == 0) return;
svar_set(strno, stack[--idx]);
free(stack[idx]);
}
/**
* 文字列の置き換え
* @param sstrno: 変換元文字列変数番号
* @param dstrno: 変換先文字列変数番号
*/
void sstr_regist_replace(int sstrno, int dstrno) {
strexchange_t *ex;
if (sstrno == dstrno) return;
ex = malloc(sizeof(strexchange_t));
ex->src = strdup(svar_get(sstrno));
ex->dst = strdup(svar_get(dstrno));
sact.strreplace = slist_append(sact.strreplace, ex);
}
/**
* 数値 -> 文字列化
*/
void sstr_num2str(int strno, int fig, int nzeropad, int num) {
char s[256], ss[256];
if (nzeropad) {
char *sss = "%%0%dd";
sprintf(ss, sss, fig);
} else {
char *sss = "%%%dd";
sprintf(ss, sss, fig);
}
sprintf(s, ss, num);
svar_set(strno, s);
}
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