示例#1
0
/*
    function min(value: Number): Number
 */
static EjsObj *math_min(Ejs *ejs, EjsObj *unused, int argc, EjsObj **argv)
{
    MprNumber   x, y;
    
    x = ejsGetNumber(ejs, argv[0]);
    y = ejsGetNumber(ejs, argv[1]);
    if (x < y) {
        return argv[0];
    }
    return argv[1];
}
示例#2
0
/*  
    function sendBlock(content, options): Number
 */
static EjsNumber *ws_sendBlock(Ejs *ejs, EjsWebSocket *ws, int argc, EjsObj **argv)
{
    EjsByteArray    *ba;
    EjsAny          *content, *vp;
    ssize           nbytes;
    cchar           *str;
    int             last, mode, type, flags;

    assert(argc == 2);

    if (ws->conn->state < HTTP_STATE_PARSED && !waitForHttpState(ws, HTTP_STATE_PARSED, -1, 1)) {
        return ESV(null);
    }
    content = argv[0];
    last = ejsGetPropertyByName(ejs, argv[1], EN("last")) != ESV(false);
    if ((vp = ejsGetPropertyByName(ejs, argv[1], EN("mode"))) != 0) {
        mode = (int) ejsGetNumber(ejs, vp);
        if (mode != HTTP_BUFFER && mode != HTTP_BLOCK && mode != HTTP_NON_BLOCK) {
            ejsThrowArgError(ejs, "Bad message mode");
            return 0;
        }
    } else {
        mode = HTTP_BUFFER;
    }
    if ((vp = ejsGetPropertyByName(ejs, argv[1], EN("type"))) != 0) {
        type = (int) ejsGetNumber(ejs, vp);
        if (type != WS_MSG_CONT && type != WS_MSG_TEXT && type != WS_MSG_BINARY) {
            ejsThrowArgError(ejs, "Bad message type");
            return 0;
        }
    } else {
        type = WS_MSG_TEXT;
    }
    flags = mode;
    if (!last) {
        flags |= HTTP_MORE;
    }
    if (ejsIs(ejs, content, ByteArray)) {
        ba = (EjsByteArray*) content;
        nbytes = ejsGetByteArrayAvailableData(ba);
        nbytes = httpSendBlock(ws->conn, type, (cchar*) &ba->value[ba->readPosition], nbytes, flags);
    } else {
        str = ejsToMulti(ejs, content);
        nbytes = httpSendBlock(ws->conn, type, str, slen(str), flags);
    }
    if (nbytes < 0) {
        ejsThrowIOError(ejs, "Cannot send block");
        return 0;
    }
    return ejsCreateNumber(ejs, (MprNumber) nbytes);
}
示例#3
0
/*
    function pow(x: Number, y: Number): Number
 */
static EjsNumber *math_pow(Ejs *ejs, EjsObj *unused, int argc, EjsObj **argv)
{
    MprNumber   x, y, result;
    
    x = ejsGetNumber(ejs, argv[0]);
    y = ejsGetNumber(ejs, argv[1]);
    result = pow(x, y);
#if CYGWIN
    /* Cygwin computes (0.0 / -1) == -Infinity */
    if (result < 0 && x == 0.0) {
        result = -result;
    }
#endif
    return ejsCreateNumber(ejs, (MprNumber) result);
}
示例#4
0
/*
    function round(value: Number): Number
 */
static EjsNumber *math_round(Ejs *ejs, EjsObj *unused, int argc, EjsObj **argv)
{
    MprNumber   n;

    n = ejsGetNumber(ejs, argv[0]);
    if (-0.5 <= n && n < 0) {
        n = -0.0;
    } else {
        n += 0.5;
    }
    return ejsCreateNumber(ejs, floor(n));
}
示例#5
0
/*
    function exec(str: String, start: Number = 0): Array
 */
static EjsArray *regex_exec(Ejs *ejs, EjsRegExp *rp, int argc, EjsObj **argv)
{
    EjsArray    *results;
    EjsString   *match, *str;
    int         matches[BIT_MAX_REGEX_MATCHES * 3];
    int         count, start, len, i, index;

    str = (EjsString*) argv[0];
    if (argc == 2) {
        start = (int) ejsGetNumber(ejs, argv[1]);
    } else {
        start = rp->endLastMatch;
    }
    rp->matched = 0;
    assert(rp->compiled);
    count = pcre_exec(rp->compiled, NULL, str->value, (int) str->length, start, 0, matches, sizeof(matches) / sizeof(int));
    if (count < 0) {
        rp->endLastMatch = 0;
        return ESV(null);
    }
    results = ejsCreateArray(ejs, count);
    for (index = 0, i = 0; i < count; i++, index += 2) {
        len = matches[index + 1] - matches[index];
        match = ejsCreateString(ejs, &str->value[matches[index]], len);
        ejsSetProperty(ejs, results, i, match);
        if (index == 0) {
            rp->matched = match;
        }
    }
    if (rp->global) {
        /* Only save if global flag used as per spec */
        rp->startLastMatch = matches[0];
        rp->endLastMatch = matches[1];
    }
    return results;
}
示例#6
0
/*
    function set lastIndex(value: Number): Void
 */
static EjsObj *regex_setLastIndex(Ejs *ejs, EjsRegExp *rp, int argc, EjsObj **argv)
{
    rp->endLastMatch = (int) ejsGetNumber(ejs, argv[0]);
    return 0;
}
示例#7
0
/*
    function floor(value: Number): Number
 */
static EjsNumber *math_floor(Ejs *ejs, EjsObj *unused, int argc, EjsObj **argv)
{
    return ejsCreateNumber(ejs, (MprNumber) floor(ejsGetNumber(ejs, argv[0])));
}
示例#8
0
/*
    function atan2(x: Number, y: Number): Number
 */
static EjsNumber *math_atan2(Ejs *ejs, EjsObj *unused, int argc, EjsObj **argv)
{
    return ejsCreateNumber(ejs, (MprNumber) atan2(ejsGetNumber(ejs, argv[0]), ejsGetNumber(ejs, argv[1])));
}
示例#9
0
/*
    function abs(value: Number): Number
 */
static EjsNumber *math_abs(Ejs *ejs, EjsObj *unused, int argc, EjsObj **argv)
{
    //  TODO - can a null slip through?
    return ejsCreateNumber(ejs, (MprNumber) fabs(ejsGetNumber(ejs, argv[0])));
}