C++ (Cpp) CR_AC Beispiele

Beispiel #1

/*
=======================================
    文本模式去除多余换行符
=======================================
*/
CR_API uint_t
qst_txt_mode (
  __CR_IO__ ansi_t* text,
  __CR_IN__ uint_t  size
    )
{
    ansi_t  *ptr;
    uint_t  ii, jj;

    if (size < 2)
        return (size);
    size -= 1;
    ptr = text;
    for (jj = ii = 0; ii < size; ii++) {
        ptr[jj++] = text[ii];
        if (text[ii] == CR_AC('\r') && text[ii + 1] == CR_AC('\n'))
            ii++;
    }
    if (ii == size)
        ptr[jj++] = text[ii];
    return (jj);
}

Beispiel #2

/*
=======================================
    TGL IPAC 文件读取
=======================================
*/
CR_API sFMT_PRT*
load_tgl_ipac (
  __CR_IO__ iDATIN*         datin,
  __CR_IN__ const sLOADER*  param
    )
{
    int16u      idx;
    int16u      cnt;
    int32u      offs;
    int32u      size;
    sFMT_PRT*   rett;
    sIPAC_HDR   head;
    iPAK_IPAC*  port;
    sPAK_FILE*  list;
    ansi_t      str[17];

    /* 必须使用自己私有的读取接口 */
    datin = create_file_inX(param);
    if (datin == NULL)
        return (NULL);

    /* 读取 & 检查头部 */
    if (!(CR_VCALL(datin)->geType(datin, &head, sIPAC_HDR)))
        goto _failure1;
    if (head.magic != mk_tag4("IPAC"))
        goto _failure1;

    /* 分配子文件属性表 */
    cnt = WORD_LE(head.count);
    if (cnt != 0) {
        list = mem_talloc(cnt, sPAK_FILE);
        if (list == NULL)
            goto _failure1;
        str[16] = CR_AC(NIL);
        mem_tzero(list, cnt, sPAK_FILE);
    }
    else {
        list = NULL;    /* 支持空的包文件 */
    }

    /* 加载文件信息表 */
    for (idx = 0; idx < cnt; idx++)
    {
        /* 读取文件名不保证\0结尾 */
        if (CR_VCALL(datin)->read(datin, str, 16) != 16)
            goto _failure2;

        /* 文件的包内偏移和大小 */
        if (!CR_VCALL(datin)->getd_le(datin, &offs))
            goto _failure2;
        if (!CR_VCALL(datin)->getd_le(datin, &size))
            goto _failure2;

        /* 文件名统一使用 UTF-8 编码 */
        list[idx].name = local_to_utf8(param->page, str);
        if (list[idx].name == NULL)
            goto _failure2;

        /* 设置公用文件属性 */
        list[idx].skip = sizeof(sPAK_FILE);
        list[idx].attr = 0;
        list[idx].offs = offs;
        list[idx].pack = size;
        list[idx].size = size;
        list[idx].memo = "Store";
    }

    /* 生成读包接口对象 */
    port = struct_new(iPAK_IPAC);
    if (port == NULL)
        goto _failure2;
    port->m_cnt = cnt;
    port->m_file = datin;
    port->pack.__filelst__ = list;
    port->pack.__vptr__ = &s_pack_vtbl;
    if (!pack_init_list((iPACKAGE*)port, TRUE)) {
        mem_free(port);
        goto _failure2;
    }

    /* 返回读取的文件数据 */
    rett = struct_new(sFMT_PRT);
    if (rett == NULL) {
        iPAK_IPAC_release((iPACKAGE*)port);
        return (NULL);
    }
    rett->type = CR_FMTZ_PRT;
    rett->port = (iPORT*)port;
    rett->more = "iPACKAGE";
    rett->infor = "TGL IPAC Archive (IPAC)";
    return (rett);

_failure2:
    if (list != NULL) {
        for (cnt = 0; cnt < idx; cnt++) {
            TRY_FREE(list[cnt].find);
            mem_free(list[cnt].name);
        }
        mem_free(list);
    }
_failure1:
    CR_VCALL(datin)->release(datin);
    return (NULL);
}