branches/FeliCa2Money-1/Card.cpp

/*
 * FeliCa2Money
 *
 * Copyright (C) 2001-2007 Takuya Murakami
 *
 *  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.
 */
//---------------------------------------------------------------------------

#include <vcl.h>
#pragma hdrstop
#include <stdio.h>

#include "Card.h"

/// コンストラクタ
Card::Card()
{
    prev_key = serial = 0;
}

/// デストラクタ
Card::~Card()
{
    vector<Transaction*>::iterator it;

    for (it = list.begin(); it != list.end(); it++) {
        delete *it;
    }
}

/**
   @brief トランザクションIDの生成
   @param[in] キー
   @return シリアル番号

   キーが前回と異なっていれば常に 0 を返す
   同じ場合はシリアル番号をインクリメントして返す
*/
int Card::GenerateTransactionId(int key)
{
    if (key != prev_key) {
        serial = 0;
        prev_key = key;
    } else {
        serial++;
    }
    return serial;
}

/**
   @brief タブで区切られた各行を解析する
   @param[in] lines 処理する行(複数行)
   @param[in] reverse 逆順に処理するかどうかのフラグ
   @return 0 で成功、-1 でエラー

   解析結果は list に格納される
*/
int CardWithLineParser::ParseLines(TStringList *lines, bool reverse)
{
    char buf[3000];
    AnsiString rows[30];
    int i;
    int start, incr, end, count, err;

    count = lines->Count;
    if (reverse) {
        start = count - 1;
        end = -1;
        incr = -1;
    } else {
        start = 0;
        end = count;
        incr = 1;
    }
    for (i = start; i != end; i += incr) {
        strncpy(buf, lines->Strings[i].c_str(), sizeof(buf));

        // タブ区切りを分解
        char *p;
        char *pp = buf;

        int n;
        for (n= 0; (p = getTabbedToken(&pp)) != NULL; n++) {
            rows[n] = p;
        }

        Transaction *t = GenerateTransaction(n, rows, &err);
        if (!t) {
            if (err) return -1; // fatal error
            continue;
        }

        list.push_back(t);
    }
    return 0;
}

/**
   @brief タブで区切られた token を取得する
   @param[in,out] pos 読み込み位置
   @return token
*/
char * CardWithLineParser::getTabbedToken(char **pos)
{
    char *ret = *pos;

    if (*pos == NULL) {
        return NULL;    // no more token
    }

    char *nextpos = strchr(*pos, '\t');
    if (nextpos) {
        *nextpos = '\0';
        *pos = nextpos + 1;
    } else {
        *pos = NULL;    // no more token
    }
    return ret;
}