ms/packages/common/src/qrcode.ts

//---------------------------------------------------------------------
// QRCode for JavaScript
//
// Copyright (c) 2009 Kazuhiko Arase
//
// URL: http://www.d-project.com/
//
// Licensed under the MIT license:
//   http://www.opensource.org/licenses/mit-license.php
//
// The word "QR Code" is registered trademark of 
// DENSO WAVE INCORPORATED
//   http://www.denso-wave.com/qrcode/faqpatent-e.html
//
//---------------------------------------------------------------------

//---------------------------------------------------------------------
// QR8bitByte
//---------------------------------------------------------------------

class QR8bitByte {
    mode: number
    data: any
    constructor(data) {
        this.mode = QRMode.MODE_8BIT_BYTE
        this.data = data
    }
    getLength(buffer) {
        return this.data.length
    }
    write(buffer) {
        for (var i = 0; i < this.data.length; i++) {
            // not JIS ...
            buffer.put(this.data.charCodeAt(i), 8)
        }
    }
}

//---------------------------------------------------------------------
// QRCode
//---------------------------------------------------------------------

export class QRCode {
    static PAD0 = 0xEC
    static PAD1 = 0x11
    typeNumber: any
    errorCorrectLevel: any
    modules: any
    moduleCount: number
    dataCache: any
    dataList: any[]
    constructor(typeNumber, errorCorrectLevel: QRErrorCorrectLevel) {
        this.typeNumber = typeNumber
        this.errorCorrectLevel = errorCorrectLevel
        this.modules = null
        this.moduleCount = 0
        this.dataCache = null
        this.dataList = new Array()
    }
    static createData(typeNumber, errorCorrectLevel, dataList) {

        var rsBlocks = QRRSBlock.getRSBlocks(typeNumber, errorCorrectLevel)

        var buffer = new QRBitBuffer()

        for (var i = 0; i < dataList.length; i++) {
            var data = dataList[i]
            buffer.put(data.mode, 4)
            buffer.put(data.getLength(), QRUtil.getLengthInBits(data.mode, typeNumber))
            data.write(buffer)
        }

        // calc num max data.
        var totalDataCount = 0
        for (var i = 0; i < rsBlocks.length; i++) {
            totalDataCount += rsBlocks[i].dataCount
        }

        if (buffer.getLengthInBits() > totalDataCount * 8) {
            throw new Error("code length overflow. ("
                + buffer.getLengthInBits()
                + ">"
                + totalDataCount * 8
                + ")")
        }

        // end code
        if (buffer.getLengthInBits() + 4 <= totalDataCount * 8) {
            buffer.put(0, 4)
        }

        // padding
        while (buffer.getLengthInBits() % 8 != 0) {
            buffer.putBit(false)
        }

        // padding
        while (true) {

            if (buffer.getLengthInBits() >= totalDataCount * 8) {
                break
            }
            buffer.put(QRCode.PAD0, 8)

            if (buffer.getLengthInBits() >= totalDataCount * 8) {
                break
            }
            buffer.put(QRCode.PAD1, 8)
        }

        return QRCode.createBytes(buffer, rsBlocks)
    }
    static createBytes(buffer, rsBlocks) {

        var offset = 0

        var maxDcCount = 0
        var maxEcCount = 0

        var dcdata = new Array(rsBlocks.length)
        var ecdata = new Array(rsBlocks.length)

        for (var r = 0; r < rsBlocks.length; r++) {

            var dcCount = rsBlocks[r].dataCount
            var ecCount = rsBlocks[r].totalCount - dcCount

            maxDcCount = Math.max(maxDcCount, dcCount)
            maxEcCount = Math.max(maxEcCount, ecCount)

            dcdata[r] = new Array(dcCount)

            for (var i = 0; i < dcdata[r].length; i++) {
                dcdata[r][i] = 0xff & buffer.buffer[i + offset]
            }
            offset += dcCount

            var rsPoly = QRUtil.getErrorCorrectPolynomial(ecCount)
            var rawPoly = new QRPolynomial(dcdata[r], rsPoly.getLength() - 1)

            var modPoly = rawPoly.mod(rsPoly)
            ecdata[r] = new Array(rsPoly.getLength() - 1)
            for (var i = 0; i < ecdata[r].length; i++) {
                var modIndex = i + modPoly.getLength() - ecdata[r].length
                ecdata[r][i] = (modIndex >= 0) ? modPoly.get(modIndex) : 0
            }

        }

        var totalCodeCount = 0
        for (var i = 0; i < rsBlocks.length; i++) {
            totalCodeCount += rsBlocks[i].totalCount
        }

        var data = new Array(totalCodeCount)
        var index = 0

        for (var i = 0; i < maxDcCount; i++) {
            for (var r = 0; r < rsBlocks.length; r++) {
                if (i < dcdata[r].length) {
                    data[index++] = dcdata[r][i]
                }
            }
        }

        for (var i = 0; i < maxEcCount; i++) {
            for (var r = 0; r < rsBlocks.length; r++) {
                if (i < ecdata[r].length) {
                    data[index++] = ecdata[r][i]
                }
            }
        }

        return data

    }
    addData(data) {
        var newData = new QR8bitByte(data)
        this.dataList.push(newData)
        this.dataCache = null
    }

    isDark(row, col) {
        if (row < 0 || this.moduleCount <= row || col < 0 || this.moduleCount <= col) {
            throw new Error(row + "," + col)
        }
        return this.modules[row][col]
    }

    getModuleCount() {
        return this.moduleCount
    }

    make() {
        // Calculate automatically typeNumber if provided is < 1
        if (this.typeNumber < 1) {
            var typeNumber = 1
            for (typeNumber = 1; typeNumber < 40; typeNumber++) {
                var rsBlocks = QRRSBlock.getRSBlocks(typeNumber, this.errorCorrectLevel)

                var buffer = new QRBitBuffer()
                var totalDataCount = 0
                for (var i = 0; i < rsBlocks.length; i++) {
                    totalDataCount += rsBlocks[i].dataCount
                }

                for (var i = 0; i < this.dataList.length; i++) {
                    var data = this.dataList[i]
                    buffer.put(data.mode, 4)
                    buffer.put(data.getLength(), QRUtil.getLengthInBits(data.mode, typeNumber))
                    data.write(buffer)
                }
                if (buffer.getLengthInBits() <= totalDataCount * 8)
                    break
            }
            this.typeNumber = typeNumber
        }
        this.makeImpl(false, this.getBestMaskPattern())
    }

    makeImpl(test, maskPattern) {

        this.moduleCount = this.typeNumber * 4 + 17
        this.modules = new Array(this.moduleCount)

        for (var row = 0; row < this.moduleCount; row++) {

            this.modules[row] = new Array(this.moduleCount)

            for (var col = 0; col < this.moduleCount; col++) {
                this.modules[row][col] = null//(col + row) % 3;
            }
        }

        this.setupPositionProbePattern(0, 0)
        this.setupPositionProbePattern(this.moduleCount - 7, 0)
        this.setupPositionProbePattern(0, this.moduleCount - 7)
        this.setupPositionAdjustPattern()
        this.setupTimingPattern()
        this.setupTypeInfo(test, maskPattern)

        if (this.typeNumber >= 7) {
            this.setupTypeNumber(test)
        }

        if (this.dataCache == null) {
            this.dataCache = QRCode.createData(this.typeNumber, this.errorCorrectLevel, this.dataList)
        }

        this.mapData(this.dataCache, maskPattern)
    }

    setupPositionProbePattern(row, col) {

        for (var r = -1; r <= 7; r++) {

            if (row + r <= -1 || this.moduleCount <= row + r) continue

            for (var c = -1; c <= 7; c++) {

                if (col + c <= -1 || this.moduleCount <= col + c) continue

                if ((0 <= r && r <= 6 && (c == 0 || c == 6))
                    || (0 <= c && c <= 6 && (r == 0 || r == 6))
                    || (2 <= r && r <= 4 && 2 <= c && c <= 4)) {
                    this.modules[row + r][col + c] = true
                } else {
                    this.modules[row + r][col + c] = false
                }
            }
        }
    }

    getBestMaskPattern() {

        var minLostPoint = 0
        var pattern = 0

        for (var i = 0; i < 8; i++) {

            this.makeImpl(true, i)

            var lostPoint = QRUtil.getLostPoint(this)

            if (i == 0 || minLostPoint > lostPoint) {
                minLostPoint = lostPoint
                pattern = i
            }
        }

        return pattern
    }

    createMovieClip(target_mc, instance_name, depth) {

        var qr_mc = target_mc.createEmptyMovieClip(instance_name, depth)
        var cs = 1

        this.make()

        for (var row = 0; row < this.modules.length; row++) {

            var y = row * cs

            for (var col = 0; col < this.modules[row].length; col++) {

                var x = col * cs
                var dark = this.modules[row][col]

                if (dark) {
                    qr_mc.beginFill(0, 100)
                    qr_mc.moveTo(x, y)
                    qr_mc.lineTo(x + cs, y)
                    qr_mc.lineTo(x + cs, y + cs)
                    qr_mc.lineTo(x, y + cs)
                    qr_mc.endFill()
                }
            }
        }

        return qr_mc
    }

    setupTimingPattern() {

        for (var r = 8; r < this.moduleCount - 8; r++) {
            if (this.modules[r][6] != null) {
                continue
            }
            this.modules[r][6] = (r % 2 == 0)
        }

        for (var c = 8; c < this.moduleCount - 8; c++) {
            if (this.modules[6][c] != null) {
                continue
            }
            this.modules[6][c] = (c % 2 == 0)
        }
    }

    setupPositionAdjustPattern() {

        var pos = QRUtil.getPatternPosition(this.typeNumber)

        for (var i = 0; i < pos.length; i++) {

            for (var j = 0; j < pos.length; j++) {

                var row = pos[i]
                var col = pos[j]

                if (this.modules[row][col] != null) {
                    continue
                }

                for (var r = -2; r <= 2; r++) {

                    for (var c = -2; c <= 2; c++) {

                        if (r == -2 || r == 2 || c == -2 || c == 2
                            || (r == 0 && c == 0)) {
                            this.modules[row + r][col + c] = true
                        } else {
                            this.modules[row + r][col + c] = false
                        }
                    }
                }
            }
        }
    }

    setupTypeNumber(test) {

        var bits = QRUtil.getBCHTypeNumber(this.typeNumber)

        for (var i = 0; i < 18; i++) {
            var mod = (!test && ((bits >> i) & 1) == 1)
            this.modules[Math.floor(i / 3)][i % 3 + this.moduleCount - 8 - 3] = mod
        }

        for (var i = 0; i < 18; i++) {
            var mod = (!test && ((bits >> i) & 1) == 1)
            this.modules[i % 3 + this.moduleCount - 8 - 3][Math.floor(i / 3)] = mod
        }
    }

    setupTypeInfo(test, maskPattern) {

        var data = (this.errorCorrectLevel << 3) | maskPattern
        var bits = QRUtil.getBCHTypeInfo(data)

        // vertical		
        for (var i = 0; i < 15; i++) {

            var mod = (!test && ((bits >> i) & 1) == 1)

            if (i < 6) {
                this.modules[i][8] = mod
            } else if (i < 8) {
                this.modules[i + 1][8] = mod
            } else {
                this.modules[this.moduleCount - 15 + i][8] = mod
            }
        }

        // horizontal
        for (var i = 0; i < 15; i++) {

            var mod = (!test && ((bits >> i) & 1) == 1)

            if (i < 8) {
                this.modules[8][this.moduleCount - i - 1] = mod
            } else if (i < 9) {
                this.modules[8][15 - i - 1 + 1] = mod
            } else {
                this.modules[8][15 - i - 1] = mod
            }
        }

        // fixed module
        this.modules[this.moduleCount - 8][8] = (!test)

    }

    mapData(data, maskPattern) {

        var inc = -1
        var row = this.moduleCount - 1
        var bitIndex = 7
        var byteIndex = 0

        for (var col = this.moduleCount - 1; col > 0; col -= 2) {

            if (col == 6) col--

            while (true) {

                for (var c = 0; c < 2; c++) {

                    if (this.modules[row][col - c] == null) {

                        var dark = false

                        if (byteIndex < data.length) {
                            dark = (((data[byteIndex] >>> bitIndex) & 1) == 1)
                        }

                        var mask = QRUtil.getMask(maskPattern, row, col - c)

                        if (mask) {
                            dark = !dark
                        }

                        this.modules[row][col - c] = dark
                        bitIndex--

                        if (bitIndex == -1) {
                            byteIndex++
                            bitIndex = 7
                        }
                    }
                }

                row += inc

                if (row < 0 || this.moduleCount <= row) {
                    row -= inc
                    inc = -inc
                    break
                }
            }
        }

    }
}





//---------------------------------------------------------------------
// QRMode
//---------------------------------------------------------------------

export enum QRMode {
    MODE_NUMBER = 1 << 0,
    MODE_ALPHA_NUM = 1 << 1,
    MODE_8BIT_BYTE = 1 << 2,
    MODE_KANJI = 1 << 3
}

//---------------------------------------------------------------------
// QRErrorCorrectLevel
//---------------------------------------------------------------------

export enum QRErrorCorrectLevel {
    L = 1,
    M = 0,
    Q = 3,
    H = 2
}

//---------------------------------------------------------------------
// QRMaskPattern
//---------------------------------------------------------------------

var QRMaskPattern = {
    PATTERN000: 0,
    PATTERN001: 1,
    PATTERN010: 2,
    PATTERN011: 3,
    PATTERN100: 4,
    PATTERN101: 5,
    PATTERN110: 6,
    PATTERN111: 7
}

//---------------------------------------------------------------------
// QRUtil
//---------------------------------------------------------------------

var QRUtil = {

    PATTERN_POSITION_TABLE: [
        [],
        [6, 18],
        [6, 22],
        [6, 26],
        [6, 30],
        [6, 34],
        [6, 22, 38],
        [6, 24, 42],
        [6, 26, 46],
        [6, 28, 50],
        [6, 30, 54],
        [6, 32, 58],
        [6, 34, 62],
        [6, 26, 46, 66],
        [6, 26, 48, 70],
        [6, 26, 50, 74],
        [6, 30, 54, 78],
        [6, 30, 56, 82],
        [6, 30, 58, 86],
        [6, 34, 62, 90],
        [6, 28, 50, 72, 94],
        [6, 26, 50, 74, 98],
        [6, 30, 54, 78, 102],
        [6, 28, 54, 80, 106],
        [6, 32, 58, 84, 110],
        [6, 30, 58, 86, 114],
        [6, 34, 62, 90, 118],
        [6, 26, 50, 74, 98, 122],
        [6, 30, 54, 78, 102, 126],
        [6, 26, 52, 78, 104, 130],
        [6, 30, 56, 82, 108, 134],
        [6, 34, 60, 86, 112, 138],
        [6, 30, 58, 86, 114, 142],
        [6, 34, 62, 90, 118, 146],
        [6, 30, 54, 78, 102, 126, 150],
        [6, 24, 50, 76, 102, 128, 154],
        [6, 28, 54, 80, 106, 132, 158],
        [6, 32, 58, 84, 110, 136, 162],
        [6, 26, 54, 82, 110, 138, 166],
        [6, 30, 58, 86, 114, 142, 170]
    ],

    G15: (1 << 10) | (1 << 8) | (1 << 5) | (1 << 4) | (1 << 2) | (1 << 1) | (1 << 0),
    G18: (1 << 12) | (1 << 11) | (1 << 10) | (1 << 9) | (1 << 8) | (1 << 5) | (1 << 2) | (1 << 0),
    G15_MASK: (1 << 14) | (1 << 12) | (1 << 10) | (1 << 4) | (1 << 1),

    getBCHTypeInfo: function (data) {
        var d = data << 10
        while (QRUtil.getBCHDigit(d) - QRUtil.getBCHDigit(QRUtil.G15) >= 0) {
            d ^= (QRUtil.G15 << (QRUtil.getBCHDigit(d) - QRUtil.getBCHDigit(QRUtil.G15)))
        }
        return ((data << 10) | d) ^ QRUtil.G15_MASK
    },

    getBCHTypeNumber: function (data) {
        var d = data << 12
        while (QRUtil.getBCHDigit(d) - QRUtil.getBCHDigit(QRUtil.G18) >= 0) {
            d ^= (QRUtil.G18 << (QRUtil.getBCHDigit(d) - QRUtil.getBCHDigit(QRUtil.G18)))
        }
        return (data << 12) | d
    },

    getBCHDigit: function (data) {

        var digit = 0

        while (data != 0) {
            digit++
            data >>>= 1
        }

        return digit
    },

    getPatternPosition: function (typeNumber) {
        return QRUtil.PATTERN_POSITION_TABLE[typeNumber - 1]
    },

    getMask: function (maskPattern, i, j) {

        switch (maskPattern) {

            case QRMaskPattern.PATTERN000: return (i + j) % 2 == 0
            case QRMaskPattern.PATTERN001: return i % 2 == 0
            case QRMaskPattern.PATTERN010: return j % 3 == 0
            case QRMaskPattern.PATTERN011: return (i + j) % 3 == 0
            case QRMaskPattern.PATTERN100: return (Math.floor(i / 2) + Math.floor(j / 3)) % 2 == 0
            case QRMaskPattern.PATTERN101: return (i * j) % 2 + (i * j) % 3 == 0
            case QRMaskPattern.PATTERN110: return ((i * j) % 2 + (i * j) % 3) % 2 == 0
            case QRMaskPattern.PATTERN111: return ((i * j) % 3 + (i + j) % 2) % 2 == 0

            default:
                throw new Error("bad maskPattern:" + maskPattern)
        }
    },

    getErrorCorrectPolynomial: function (errorCorrectLength) {

        var a = new QRPolynomial([1], 0)

        for (var i = 0; i < errorCorrectLength; i++) {
            a = a.multiply(new QRPolynomial([1, QRMath.gexp(i)], 0))
        }

        return a
    },

    getLengthInBits: function (mode, type) {

        if (1 <= type && type < 10) {

            // 1 - 9

            switch (mode) {
                case QRMode.MODE_NUMBER: return 10
                case QRMode.MODE_ALPHA_NUM: return 9
                case QRMode.MODE_8BIT_BYTE: return 8
                case QRMode.MODE_KANJI: return 8
                default:
                    throw new Error("mode:" + mode)
            }

        } else if (type < 27) {

            // 10 - 26

            switch (mode) {
                case QRMode.MODE_NUMBER: return 12
                case QRMode.MODE_ALPHA_NUM: return 11
                case QRMode.MODE_8BIT_BYTE: return 16
                case QRMode.MODE_KANJI: return 10
                default:
                    throw new Error("mode:" + mode)
            }

        } else if (type < 41) {

            // 27 - 40

            switch (mode) {
                case QRMode.MODE_NUMBER: return 14
                case QRMode.MODE_ALPHA_NUM: return 13
                case QRMode.MODE_8BIT_BYTE: return 16
                case QRMode.MODE_KANJI: return 12
                default:
                    throw new Error("mode:" + mode)
            }

        } else {
            throw new Error("type:" + type)
        }
    },

    getLostPoint: function (qrCode) {

        var moduleCount = qrCode.getModuleCount()

        var lostPoint = 0

        // LEVEL1

        for (var row = 0; row < moduleCount; row++) {

            for (var col = 0; col < moduleCount; col++) {

                var sameCount = 0
                var dark = qrCode.isDark(row, col)

                for (var r = -1; r <= 1; r++) {

                    if (row + r < 0 || moduleCount <= row + r) {
                        continue
                    }

                    for (var c = -1; c <= 1; c++) {

                        if (col + c < 0 || moduleCount <= col + c) {
                            continue
                        }

                        if (r == 0 && c == 0) {
                            continue
                        }

                        if (dark == qrCode.isDark(row + r, col + c)) {
                            sameCount++
                        }
                    }
                }

                if (sameCount > 5) {
                    lostPoint += (3 + sameCount - 5)
                }
            }
        }

        // LEVEL2

        for (var row = 0; row < moduleCount - 1; row++) {
            for (var col = 0; col < moduleCount - 1; col++) {
                var count = 0
                if (qrCode.isDark(row, col)) count++
                if (qrCode.isDark(row + 1, col)) count++
                if (qrCode.isDark(row, col + 1)) count++
                if (qrCode.isDark(row + 1, col + 1)) count++
                if (count == 0 || count == 4) {
                    lostPoint += 3
                }
            }
        }

        // LEVEL3

        for (var row = 0; row < moduleCount; row++) {
            for (var col = 0; col < moduleCount - 6; col++) {
                if (qrCode.isDark(row, col)
                    && !qrCode.isDark(row, col + 1)
                    && qrCode.isDark(row, col + 2)
                    && qrCode.isDark(row, col + 3)
                    && qrCode.isDark(row, col + 4)
                    && !qrCode.isDark(row, col + 5)
                    && qrCode.isDark(row, col + 6)) {
                    lostPoint += 40
                }
            }
        }

        for (var col = 0; col < moduleCount; col++) {
            for (var row = 0; row < moduleCount - 6; row++) {
                if (qrCode.isDark(row, col)
                    && !qrCode.isDark(row + 1, col)
                    && qrCode.isDark(row + 2, col)
                    && qrCode.isDark(row + 3, col)
                    && qrCode.isDark(row + 4, col)
                    && !qrCode.isDark(row + 5, col)
                    && qrCode.isDark(row + 6, col)) {
                    lostPoint += 40
                }
            }
        }

        // LEVEL4

        var darkCount = 0

        for (var col = 0; col < moduleCount; col++) {
            for (var row = 0; row < moduleCount; row++) {
                if (qrCode.isDark(row, col)) {
                    darkCount++
                }
            }
        }

        var ratio = Math.abs(100 * darkCount / moduleCount / moduleCount - 50) / 5
        lostPoint += ratio * 10

        return lostPoint
    }

}


//---------------------------------------------------------------------
// QRMath
//---------------------------------------------------------------------

var QRMath = {

    glog: function (n) {

        if (n < 1) {
            throw new Error("glog(" + n + ")")
        }

        return QRMath.LOG_TABLE[n]
    },

    gexp: function (n) {

        while (n < 0) {
            n += 255
        }

        while (n >= 256) {
            n -= 255
        }

        return QRMath.EXP_TABLE[n]
    },

    EXP_TABLE: new Array(256),

    LOG_TABLE: new Array(256)

}

for (var i = 0; i < 8; i++) {
    QRMath.EXP_TABLE[i] = 1 << i
}
for (var i = 8; i < 256; i++) {
    QRMath.EXP_TABLE[i] = QRMath.EXP_TABLE[i - 4]
        ^ QRMath.EXP_TABLE[i - 5]
        ^ QRMath.EXP_TABLE[i - 6]
        ^ QRMath.EXP_TABLE[i - 8]
}
for (var i = 0; i < 255; i++) {
    QRMath.LOG_TABLE[QRMath.EXP_TABLE[i]] = i
}

//---------------------------------------------------------------------
// QRPolynomial
//---------------------------------------------------------------------

class QRPolynomial {
    num: any[]
    constructor(num, shift) {

        if (num.length == undefined) {
            throw new Error(num.length + "/" + shift)
        }

        var offset = 0

        while (offset < num.length && num[offset] == 0) {
            offset++
        }

        this.num = new Array(num.length - offset + shift)
        for (var i = 0; i < num.length - offset; i++) {
            this.num[i] = num[i + offset]
        }
    }
    get(index) {
        return this.num[index]
    }

    getLength() {
        return this.num.length
    }

    multiply(e) {

        var num = new Array(this.getLength() + e.getLength() - 1)

        for (var i = 0; i < this.getLength(); i++) {
            for (var j = 0; j < e.getLength(); j++) {
                num[i + j] ^= QRMath.gexp(QRMath.glog(this.get(i)) + QRMath.glog(e.get(j)))
            }
        }

        return new QRPolynomial(num, 0)
    }

    mod(e) {

        if (this.getLength() - e.getLength() < 0) {
            return this
        }

        var ratio = QRMath.glog(this.get(0)) - QRMath.glog(e.get(0))

        var num = new Array(this.getLength())

        for (var i = 0; i < this.getLength(); i++) {
            num[i] = this.get(i)
        }

        for (var i = 0; i < e.getLength(); i++) {
            num[i] ^= QRMath.gexp(QRMath.glog(e.get(i)) + ratio)
        }

        // recursive call
        return new QRPolynomial(num, 0).mod(e)
    }
}


//---------------------------------------------------------------------
// QRRSBlock
//---------------------------------------------------------------------

class QRRSBlock {
    totalCount: any
    dataCount: any
    static RS_BLOCK_TABLE: any
    constructor(totalCount, dataCount) {
        this.totalCount = totalCount
        this.dataCount = dataCount
    }
    static getRSBlocks(typeNumber, errorCorrectLevel) {

        var rsBlock = QRRSBlock.getRsBlockTable(typeNumber, errorCorrectLevel)

        if (rsBlock == undefined) {
            throw new Error("bad rs block @ typeNumber:" + typeNumber + "/errorCorrectLevel:" + errorCorrectLevel)
        }

        var length = rsBlock.length / 3

        var list = new Array()

        for (var i = 0; i < length; i++) {

            var count = rsBlock[i * 3 + 0]
            var totalCount = rsBlock[i * 3 + 1]
            var dataCount = rsBlock[i * 3 + 2]

            for (var j = 0; j < count; j++) {
                list.push(new QRRSBlock(totalCount, dataCount))
            }
        }

        return list
    }
    static getRsBlockTable(typeNumber: number, errorCorrectLevel: QRErrorCorrectLevel) {
        switch (errorCorrectLevel) {
            case QRErrorCorrectLevel.L:
                return QRRSBlock.RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 0]
            case QRErrorCorrectLevel.M:
                return QRRSBlock.RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 1]
            case QRErrorCorrectLevel.Q:
                return QRRSBlock.RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 2]
            case QRErrorCorrectLevel.H:
                return QRRSBlock.RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 3]
            default:
                return undefined
        }
    }
}

QRRSBlock.RS_BLOCK_TABLE = [
    // L
    // M
    // Q
    // H

    // 1
    [1, 26, 19],
    [1, 26, 16],
    [1, 26, 13],
    [1, 26, 9],

    // 2
    [1, 44, 34],
    [1, 44, 28],
    [1, 44, 22],
    [1, 44, 16],

    // 3
    [1, 70, 55],
    [1, 70, 44],
    [2, 35, 17],
    [2, 35, 13],

    // 4		
    [1, 100, 80],
    [2, 50, 32],
    [2, 50, 24],
    [4, 25, 9],

    // 5
    [1, 134, 108],
    [2, 67, 43],
    [2, 33, 15, 2, 34, 16],
    [2, 33, 11, 2, 34, 12],

    // 6
    [2, 86, 68],
    [4, 43, 27],
    [4, 43, 19],
    [4, 43, 15],

    // 7		
    [2, 98, 78],
    [4, 49, 31],
    [2, 32, 14, 4, 33, 15],
    [4, 39, 13, 1, 40, 14],

    // 8
    [2, 121, 97],
    [2, 60, 38, 2, 61, 39],
    [4, 40, 18, 2, 41, 19],
    [4, 40, 14, 2, 41, 15],

    // 9
    [2, 146, 116],
    [3, 58, 36, 2, 59, 37],
    [4, 36, 16, 4, 37, 17],
    [4, 36, 12, 4, 37, 13],

    // 10		
    [2, 86, 68, 2, 87, 69],
    [4, 69, 43, 1, 70, 44],
    [6, 43, 19, 2, 44, 20],
    [6, 43, 15, 2, 44, 16],

    // 11
    [4, 101, 81],
    [1, 80, 50, 4, 81, 51],
    [4, 50, 22, 4, 51, 23],
    [3, 36, 12, 8, 37, 13],

    // 12
    [2, 116, 92, 2, 117, 93],
    [6, 58, 36, 2, 59, 37],
    [4, 46, 20, 6, 47, 21],
    [7, 42, 14, 4, 43, 15],

    // 13
    [4, 133, 107],
    [8, 59, 37, 1, 60, 38],
    [8, 44, 20, 4, 45, 21],
    [12, 33, 11, 4, 34, 12],

    // 14
    [3, 145, 115, 1, 146, 116],
    [4, 64, 40, 5, 65, 41],
    [11, 36, 16, 5, 37, 17],
    [11, 36, 12, 5, 37, 13],

    // 15
    [5, 109, 87, 1, 110, 88],
    [5, 65, 41, 5, 66, 42],
    [5, 54, 24, 7, 55, 25],
    [11, 36, 12],

    // 16
    [5, 122, 98, 1, 123, 99],
    [7, 73, 45, 3, 74, 46],
    [15, 43, 19, 2, 44, 20],
    [3, 45, 15, 13, 46, 16],

    // 17
    [1, 135, 107, 5, 136, 108],
    [10, 74, 46, 1, 75, 47],
    [1, 50, 22, 15, 51, 23],
    [2, 42, 14, 17, 43, 15],

    // 18
    [5, 150, 120, 1, 151, 121],
    [9, 69, 43, 4, 70, 44],
    [17, 50, 22, 1, 51, 23],
    [2, 42, 14, 19, 43, 15],

    // 19
    [3, 141, 113, 4, 142, 114],
    [3, 70, 44, 11, 71, 45],
    [17, 47, 21, 4, 48, 22],
    [9, 39, 13, 16, 40, 14],

    // 20
    [3, 135, 107, 5, 136, 108],
    [3, 67, 41, 13, 68, 42],
    [15, 54, 24, 5, 55, 25],
    [15, 43, 15, 10, 44, 16],

    // 21
    [4, 144, 116, 4, 145, 117],
    [17, 68, 42],
    [17, 50, 22, 6, 51, 23],
    [19, 46, 16, 6, 47, 17],

    // 22
    [2, 139, 111, 7, 140, 112],
    [17, 74, 46],
    [7, 54, 24, 16, 55, 25],
    [34, 37, 13],

    // 23
    [4, 151, 121, 5, 152, 122],
    [4, 75, 47, 14, 76, 48],
    [11, 54, 24, 14, 55, 25],
    [16, 45, 15, 14, 46, 16],

    // 24
    [6, 147, 117, 4, 148, 118],
    [6, 73, 45, 14, 74, 46],
    [11, 54, 24, 16, 55, 25],
    [30, 46, 16, 2, 47, 17],

    // 25
    [8, 132, 106, 4, 133, 107],
    [8, 75, 47, 13, 76, 48],
    [7, 54, 24, 22, 55, 25],
    [22, 45, 15, 13, 46, 16],

    // 26
    [10, 142, 114, 2, 143, 115],
    [19, 74, 46, 4, 75, 47],
    [28, 50, 22, 6, 51, 23],
    [33, 46, 16, 4, 47, 17],

    // 27
    [8, 152, 122, 4, 153, 123],
    [22, 73, 45, 3, 74, 46],
    [8, 53, 23, 26, 54, 24],
    [12, 45, 15, 28, 46, 16],

    // 28
    [3, 147, 117, 10, 148, 118],
    [3, 73, 45, 23, 74, 46],
    [4, 54, 24, 31, 55, 25],
    [11, 45, 15, 31, 46, 16],

    // 29
    [7, 146, 116, 7, 147, 117],
    [21, 73, 45, 7, 74, 46],
    [1, 53, 23, 37, 54, 24],
    [19, 45, 15, 26, 46, 16],

    // 30
    [5, 145, 115, 10, 146, 116],
    [19, 75, 47, 10, 76, 48],
    [15, 54, 24, 25, 55, 25],
    [23, 45, 15, 25, 46, 16],

    // 31
    [13, 145, 115, 3, 146, 116],
    [2, 74, 46, 29, 75, 47],
    [42, 54, 24, 1, 55, 25],
    [23, 45, 15, 28, 46, 16],

    // 32
    [17, 145, 115],
    [10, 74, 46, 23, 75, 47],
    [10, 54, 24, 35, 55, 25],
    [19, 45, 15, 35, 46, 16],

    // 33
    [17, 145, 115, 1, 146, 116],
    [14, 74, 46, 21, 75, 47],
    [29, 54, 24, 19, 55, 25],
    [11, 45, 15, 46, 46, 16],

    // 34
    [13, 145, 115, 6, 146, 116],
    [14, 74, 46, 23, 75, 47],
    [44, 54, 24, 7, 55, 25],
    [59, 46, 16, 1, 47, 17],

    // 35
    [12, 151, 121, 7, 152, 122],
    [12, 75, 47, 26, 76, 48],
    [39, 54, 24, 14, 55, 25],
    [22, 45, 15, 41, 46, 16],

    // 36
    [6, 151, 121, 14, 152, 122],
    [6, 75, 47, 34, 76, 48],
    [46, 54, 24, 10, 55, 25],
    [2, 45, 15, 64, 46, 16],

    // 37
    [17, 152, 122, 4, 153, 123],
    [29, 74, 46, 14, 75, 47],
    [49, 54, 24, 10, 55, 25],
    [24, 45, 15, 46, 46, 16],

    // 38
    [4, 152, 122, 18, 153, 123],
    [13, 74, 46, 32, 75, 47],
    [48, 54, 24, 14, 55, 25],
    [42, 45, 15, 32, 46, 16],

    // 39
    [20, 147, 117, 4, 148, 118],
    [40, 75, 47, 7, 76, 48],
    [43, 54, 24, 22, 55, 25],
    [10, 45, 15, 67, 46, 16],

    // 40
    [19, 148, 118, 6, 149, 119],
    [18, 75, 47, 31, 76, 48],
    [34, 54, 24, 34, 55, 25],
    [20, 45, 15, 61, 46, 16]
]



//---------------------------------------------------------------------
// QRBitBuffer
//---------------------------------------------------------------------

class QRBitBuffer {
    buffer: any[]
    length: number
    constructor() {
        this.buffer = new Array()
        this.length = 0
    }
    get(index) {
        var bufIndex = Math.floor(index / 8)
        return ((this.buffer[bufIndex] >>> (7 - index % 8)) & 1) == 1
    }

    put(num, length) {
        for (var i = 0; i < length; i++) {
            this.putBit(((num >>> (length - i - 1)) & 1) == 1)
        }
    }

    getLengthInBits() {
        return this.length
    }

    putBit(bit) {

        var bufIndex = Math.floor(this.length / 8)
        if (this.buffer.length <= bufIndex) {
            this.buffer.push(0)
        }

        if (bit) {
            this.buffer[bufIndex] |= (0x80 >>> (this.length % 8))
        }

        this.length++
    }
}