rearrange source, move common parts to framework

7 files changed, 0 insertions, 717 deletions

diff --git a/ADSBDecoder/ADSBRegEx.swift b/ADSBDecoder/ADSBRegEx.swift
deleted file mode 100644
index 2841467..0000000
--- a/ADSBDecoder/ADSBRegEx.swift
+++ /dev/null
@@ -1,87 +0,0 @@
-//
-//  ADSBRegEx.swift
-//  ADSBDecoder
-//
-//  Created by Jacky Jack on 30/06/2024.
-//
-
-import Foundation
-import RegexBuilder
-/*
-let matchADSBLong = Regex {
-    Anchor.startOfLine
-    "*"
-    
-        Repeat(
-            CharacterClass(
-                ("a"..."f"),
-                ("0"..."9")
-            )
-            ,count:28)
-    
-    ";"
-}*/
-class MatchADSBLong {
-    let matchADSBLong = Regex {
-        Anchor.startOfLine
-        "*"
-        
-            Repeat(
-                CharacterClass(
-                    ("a"..."f"),
-                    ("0"..."9")
-                )
-                ,count:28)
-        
-        ";"
-    }
-    
-    func prefixMatch(_ line: String) -> Regex<Regex<Substring>.RegexOutput>.Match? {
-        do {
-            if let match = try matchADSBLong.prefixMatch(in: line) {
-                return match
-            }
-        } catch {
-            return nil
-        }
-        return nil
-    }
-}
-
-/*
-let matchADSBShort = Regex {
-    Anchor.startOfLine
-    "*"
-    Repeat(
-        CharacterClass(
-            ("a"..."f"),
-            ("0"..."9")
-        )
-        ,count:14)
-    ";"
-}*/
-
-class MatchADSBShort {
-    let matchADSBShort = Regex {
-        Anchor.startOfLine
-        "*"
-        Repeat(
-            CharacterClass(
-                ("a"..."f"),
-                ("0"..."9")
-            )
-            ,count:14)
-        ";"
-    }
-    
-    func prefixMatch(_ line: String) -> Regex<Regex<Substring>.RegexOutput>.Match? {
-        do {
-            if let match = try matchADSBShort.prefixMatch(in: line) {
-                return match
-            }
-        } catch {
-            return nil
-        }
-        return nil
-    }
-}
diff --git a/ADSBDecoder/Configs.swift b/ADSBDecoder/Configs.swift
deleted file mode 100644
index a42e745..0000000
--- a/ADSBDecoder/Configs.swift
+++ /dev/null
@@ -1,10 +0,0 @@
-//
-//  Configs.swift
-//  ADSBDecoder
-//
-//  Created by Jacky Jack on 09/07/2024.
-//
-
-import Foundation
-
-let decoder_debug_mode = false
diff --git a/ADSBDecoder/Decoder.swift b/ADSBDecoder/Decoder.swift
deleted file mode 100644
index a9724b6..0000000
--- a/ADSBDecoder/Decoder.swift
+++ /dev/null
@@ -1,249 +0,0 @@
-//
-//  Decoder.swift
-//  ADSBDecoder
-//
-//  Created by Jacky Jack on 28/05/2024.
-//
-
-import Foundation
-
-func BarometricAltitudeFeat(_ altitude: UInt16) -> Int {
-    let QBit = (altitude>>4)&0x1
-    if QBit == 1 {
-        //remove qbit
-        let part1:UInt16 = altitude&0xf
-        let part2:UInt16 = (altitude>>1)&0x7ff0
-        let altitude25 = part1 + part2
-        //print("altitude2 \(altitude25) ")
-        return Int(altitude25)*25-1000
-    }
-    return Int(altitude)*100-1000
-}
-
-class Decoder {
-    var adsb_data: String = ""
-    var DataFormat: UInt32 = 0;
-    
-    init (_ adsb_data: String) {
-        //print(adsb_data)
-        self.adsb_data = adsb_data
-        //get the first 8 bits as integer
-        let startI =  adsb_data.startIndex
-        let endI = adsb_data.index(startI, offsetBy: 1)
-        let firstByteString = adsb_data[startI...endI]
-        //print("\(firstByteString)")
-        if let ControlMsg = UInt32(firstByteString, radix: 16) {
-            //print("ControlMsg = \(ControlMsg)")
-            let CM_DataFormat = (ControlMsg&0xF8)>>3
-            DataFormat = CM_DataFormat
-            //let CM_TranspoderCapability = ControlMsg&(0x7)
-        }
-        //print("Data Format \(DataFormat)")
-    }
-    
-    func getDataFormat17() -> DataFormat17? {
-        
-        if (DataFormat != 17) {
-            return nil
-        }
-        //let startI =  adsb_data.index(adsb_data.startIndex, offsetBy: 1)
-        //let endI = adsb_data.index(adsb_data.endIndex, offsetBy: -1)
-        //let adsbData = adsb_data[startI...endI]
-        let ret:DataFormat17 = DataFormat17(adsb_data)
-        
-        
-        
-        return ret;
-    }
-    
-    func getDataFormat18() {
-        print("Not implemented")
-    }
-    
-}
-
-func ICAOAlphabet(_ code: UInt8) -> String {
-    if ((code>=1) && (code<=26)) {
-        return String(UnicodeScalar(code+64))
-    } else if ((code >= 48)&&(code<=57)) {
-        return String(UnicodeScalar(code))
-    } else if (code==32) {
-        return " "
-    }
-    return "#"
-}
-
-func ICAO2String(_ b1: UInt8, _ b2: UInt8, _ b3: UInt8, _ b4: UInt8, _ b5: UInt8, _ b6: UInt8, _ b7: UInt8, _ b8: UInt8) -> String {
-    return ICAOAlphabet(b1)+ICAOAlphabet(b2)+ICAOAlphabet(b3)+ICAOAlphabet(b4)+ICAOAlphabet(b5)+ICAOAlphabet(b6)+ICAOAlphabet(b7)+ICAOAlphabet(b8)
-}
-
-class DataFormat17 {
-    
-    let DataFormat=17 //0:5
-    var Capability=0  //5:7
-    var AddressAnnounced=0 //8:31
-    var TypeCode=0 //32:36
-    var MovementField=0//37:43
-    var HeadingBit=0//44
-    var HeadingField=0//45:51
-    //var CPROddEven=0//53
-    //var CPRlat=0//54:70
-    //var CPRlon=0//71:87
-    var ParityIntegrity=0//88-111
-    
-    //all avaliable message types
-    var messageIdentification:ADSBTypeCodeIndentification? = nil
-    var messageAirbornPositon:ADSBTypeCodeAirbonePositon? = nil
-    
-    init(_ adsb_data: String) {
-        //print("Dataformat: 17!")
-        //print(adsb_data)
-        
-        var bindata:[UInt8] = []
-        
-        var startN = adsb_data.startIndex
-        var endN = adsb_data.index(startN, offsetBy: 1)
-        var count=0//start index value
-        while (count<adsb_data.count) {
-            let u8 = UInt8(adsb_data[startN...endN], radix: 16)!
-            //print(adsb_data[startN...endN])
-            bindata.append(u8)
-            count += 2
-            if (count<adsb_data.count) {
-                startN = adsb_data.index(startN, offsetBy: 2)
-                endN = adsb_data.index(startN, offsetBy: 1)
-            }
-        }
-        //print(bindata)
-        
-        //Decode Capability
-        let cap = (bindata[0]>>1)&0x7
-        //print(String(format: "cap %02x", cap))
-        Capability = Int(cap)
-        
-        //Decode Address Announcement
-        let address_ann = UInt32(bindata[1])<<16 + UInt32(bindata[2])<<8 + UInt32(bindata[3])
-        //print(String(format: "address %06x", address_ann))
-        
-        AddressAnnounced = Int(address_ann)
-        
-        //Decode Type Code
-        let tc_byte = bindata[4] >> 3
-        //print(String(format: "tc %02d", tc_byte))
-        
-        TypeCode = Int(tc_byte)
-        
-        //aircraft indentification and category
-        if (tc_byte == 4) {
-            let msg = ADSBTypeCodeIndentification(bindata[4...10])
-            if decoder_debug_mode {
-                print("=====ADSB MESSSGE 04 =======")
-                print(msg)
-                print("============================")
-            }
-            
-            messageIdentification = msg
-        //airborn position
-        } else if ((tc_byte >= 8) && (tc_byte <= 18)) {
-            let msg = ADSBTypeCodeAirbonePositon(bindata[4...10])
-            if decoder_debug_mode {
-                print(String(format:"=====ADSB MESSSGE %02d ======= AA:%04d", tc_byte, AddressAnnounced))
-                print(msg)
-                print("============================")
-            }
-            
-            messageAirbornPositon = msg
-        //airborn velocity
-        } else if (tc_byte == 19) {
-            if decoder_debug_mode {
-                print("=====ADSB MESSSGE 19 =======")
-                print("=====VELOCITY =======")
-            }
-        } else {
-            if decoder_debug_mode {
-                print("=====ADSB MESSSGE UNKNOWN =======")
-            }
-        }
-    }
-}
-
-class ADSBTypeCodeIndentification: CustomStringConvertible {
-    var TypeCode:Int = 4
-    var Category:Int = 0
-    var ICAOName:String
-    
-    init(_ bindata:ArraySlice<UInt8>) {
-        let cat = bindata[4]&0x7
-        Category = Int(cat)
-        let char_0 = bindata[5]>>2
-        let char_1 = (bindata[5]&0x3)<<4 + bindata[6]>>4
-        let char_2 = (bindata[6]&0xf)<<2 + (bindata[7]>>6)&0x3
-        let char_3 = (bindata[7])&0x3f
-        let char_4 = bindata[8]>>2
-        let char_5 = (bindata[8]&0x3)<<4 + bindata[9]>>4
-        let char_6 = (bindata[9]&0xf)<<2 + (bindata[10]>>6)
-        let char_7 = bindata[10]&0x3f
-        
-        //print(char_0, char_1, char_2,char_3,char_4,char_5,char_6,char_7)
-        ICAOName = ICAO2String(char_0, char_1, char_2, char_3, char_4, char_5, char_6, char_7)
-        //print("ICAO name \(ICAOName)")
-    }
-    
-    var description: String {
-        let description = "TypeCode \(TypeCode) Cat \(Category) Flight name \(ICAOName)"
-        return description
-    }
-}
-
-//DF17 message types codes  8 to 18
-class ADSBTypeCodeAirbonePositon:CustomStringConvertible {
-    var TypeCode:Int = 11
-    var SurveillanceStatus: Int = 0
-    var SingleAntennaFlag: Int = 0
-    var Altitude: Int = 0
-    var Time: Int = 0
-    var CPRFormat: Int = 0
-    var Latitude: Int = 0
-    var Longitude: Int = 0
-    
-    init(_ bindata:ArraySlice<UInt8>) {
-        let ss = (bindata[4]>>1)&(0x3)
-        SurveillanceStatus = Int(ss)
-        let saf = bindata[5]&0x1
-        SingleAntennaFlag = Int(saf)
-        let altitude = UInt16(bindata[5])<<4 + (UInt16(bindata[6])>>4)&0xf
-        //print(altitude)
-        Altitude = BarometricAltitudeFeat(altitude)
-        let time = (bindata[6]>>3)&0x1
-        Time = Int(time)
-        let cpr = (bindata[6]>>2)&0x1
-        CPRFormat = Int(cpr)
-        let lat:UInt32 = UInt32(bindata[6]&0x3)<<15 + UInt32(bindata[7])<<7 + UInt32(bindata[8]>>1)
-        Latitude = Int(lat)
-        let lon:UInt32 = UInt32(bindata[8]&0x1)<<16 + UInt32(bindata[9])<<8 + UInt32(bindata[10])
-        Longitude = Int(lon)
-    }
-    
-    var description: String {
-        var description = "SS \(SurveillanceStatus) SAF \(SingleAntennaFlag) Altitude \(Altitude)ft \n"
-        description += "Time \(Time) CPR \(CPRFormat)"
-        if (CPRFormat == 0) {
-            description += "even"
-        } else {
-            description += "odd"
-        }
-        description += "\n"
-        description += "Lat \(Latitude) Long \(Longitude)"
-        return description
-    }
-}
-
-class DataFormat19:CustomStringConvertible  {
-    init(_ bindata:ArraySlice<UInt8>) {
-        print("Dataformat: 19")
-    }
-    
-    var description: String {
-        return ""
-    }
-}
diff --git a/ADSBDecoder/PositionDecoder.swift b/ADSBDecoder/PositionDecoder.swift
deleted file mode 100644
index 85b9d49..0000000
--- a/ADSBDecoder/PositionDecoder.swift
+++ /dev/null
@@ -1,221 +0,0 @@
-//
-//  PositionDecoder.swift
-//  ADSBDecoder
-//
-//  Created by Jacky Jack on 14/06/2024.
-//
-
-import Foundation
-import Collections
-
-struct PositionData {
-    var cpr_lat: UInt32
-    var cpr_long: UInt32
-    var even: Bool
-    var cprtime: Int64
-}
-
-func cpr_mod(_ a: Int, _ b: Int) -> Int {
-    var res:Int = a % b;
-    if (res < 0) {
-        res += b
-    }
-    return res;
-}
-
-/* The NL function uses the precomputed table from 1090-WP-9-14 */
-func cpr_NLFunction(_ _lat: Double) -> Int {
-    var lat:Double = _lat
-    if (lat < 0) {
-        lat = -lat
-    } /* Table is simmetric about the equator. */
-    if (lat < 10.47047130) {return 59}
-    if (lat < 14.82817437) {return 58}
-    if (lat < 18.18626357) {return 57}
-    if (lat < 21.02939493) {return 56}
-    if (lat < 23.54504487) {return 55}
-    if (lat < 25.82924707) {return 54}
-    if (lat < 27.93898710) {return 53}
-    if (lat < 29.91135686) {return 52}
-    if (lat < 31.77209708) {return 51}
-    if (lat < 33.53993436) {return 50}
-    if (lat < 35.22899598) {return 49}
-    if (lat < 36.85025108) {return 48}
-    if (lat < 38.41241892) {return 47}
-    if (lat < 39.92256684) {return 46}
-    if (lat < 41.38651832) {return 45}
-    if (lat < 42.80914012) {return 44}
-    if (lat < 44.19454951) {return 43}
-    if (lat < 45.54626723) {return 42}
-    if (lat < 46.86733252) {return 41}
-    if (lat < 48.16039128) {return 40}
-    if (lat < 49.42776439) {return 39}
-    if (lat < 50.67150166) {return 38}
-    if (lat < 51.89342469) {return 37}
-    if (lat < 53.09516153) {return 36}
-    if (lat < 54.27817472) {return 35}
-    if (lat < 55.44378444) {return 34}
-    if (lat < 56.59318756) {return 33}
-    if (lat < 57.72747354) {return 32}
-    if (lat < 58.84763776) {return 31}
-    if (lat < 59.95459277) {return 30}
-    if (lat < 61.04917774) {return 29}
-    if (lat < 62.13216659) {return 28}
-    if (lat < 63.20427479) {return 27}
-    if (lat < 64.26616523) {return 26}
-    if (lat < 65.31845310) {return 25}
-    if (lat < 66.36171008) {return 24}
-    if (lat < 67.39646774) {return 23}
-    if (lat < 68.42322022) {return 22}
-    if (lat < 69.44242631) {return 21}
-    if (lat < 70.45451075) {return 20}
-    if (lat < 71.45986473) {return 19}
-    if (lat < 72.45884545) {return 18}
-    if (lat < 73.45177442) {return 17}
-    if (lat < 74.43893416) {return 16}
-    if (lat < 75.42056257) {return 15}
-    if (lat < 76.39684391) {return 14}
-    if (lat < 77.36789461) {return 13}
-    if (lat < 78.33374083) {return 12}
-    if (lat < 79.29428225) {return 11}
-    if (lat < 80.24923213) {return 10}
-    if (lat < 81.19801349) {return 9}
-    if (lat < 82.13956981) {return 8}
-    if (lat < 83.07199445) {return 7}
-    if (lat < 83.99173563) {return 6}
-    if (lat < 84.89166191) {return 5}
-    if (lat < 85.75541621) {return 4}
-    if (lat < 86.53536998) {return 3}
-    if (lat < 87.00000000) {return 2}
-    else {return 1}
-}
-
-func cpr_NFunction(_ lat: Double, _ isodd: Int) -> Int {
-    var nl:Int = cpr_NLFunction(lat) - isodd;
-    if (nl < 1) {
-        nl = 1
-    }
-    return nl;
-}
-
-func cpr_DlonFunction(_ lat: Double, _ isodd: Int) -> Double {
-    return 360.0 / Double(cpr_NFunction(lat, isodd));
-}
-
-func mstime() -> Int64 {
-    var tv:timeval = timeval(tv_sec: 0, tv_usec: 0)
-    var mst:Int64=0;
-
-    gettimeofday(&tv, nil);
-    mst = Int64(tv.tv_sec)*1000;
-    mst += Int64(tv.tv_usec)/1000;
-    return mst;
-}
-
-class PositionDecoder {
-    
-    var long: Double = 0.0
-    var lat: Double = 0.0
-    var ready: Bool = false
-    var newposition: Bool = false
-    
-    //initialise first values so this values is nonsence
-    var queue: Deque<PositionData> = []
-    
-    init() {
-        
-    }
-    
-    func addEvenPosition(_ cpr_lat: UInt32,_ cpr_long: UInt32, _ cprtime: Int64) {
-        queue.append(PositionData(cpr_lat:cpr_lat, cpr_long:cpr_long, even:true, cprtime: cprtime))
-    }
-    
-    func addOddPosition(_ cpr_lat: UInt32,_ cpr_long: UInt32, _ cprtime: Int64) {
-        queue.append(PositionData(cpr_lat:cpr_lat,cpr_long:cpr_long,even:false, cprtime: cprtime))
-    }
-    
-    func getPosition() -> (Double, Double)? {
-        if (ready) {
-            return (lat, long)
-        }
-        return nil
-    }
-    
-    //TODO: allways adds to queue newer frees the queue
-    func calcPosition() -> Bool {
-        if (queue.count > 2) {
-            let el1 = queue[queue.count-1]
-            let el2 = queue[queue.count-2]
-            if (el1.even == el2.even) {
-                //ready = false
-                return false
-            }
-        } else {
-            ready = false
-            print("Position queue to short to calculate values")
-            return false
-        }
-        
-        //last to elements are evan and odd
-        let el1 = queue[queue.count-1]
-        let el2 = queue[queue.count-2]
-        let cpr_even = el1.even ? el1 : el2
-        let cpr_odd  = (!el1.even) ? el1 : el2
-        
-        //print("Position queue is ready to calculate location \(cpr_even) \(cpr_odd)")
-        // from here https://github.com/antirez/dump1090/blob/master/dump1090.c#L1718
-        let AirDlat0:Double = 360.0/60.0
-        let AirDlat1:Double = 360.0/59.0
-        
-        let lat0 = Int(cpr_even.cpr_lat)
-        let lat1 = Int(cpr_odd.cpr_lat)
-        let lon0 = Int(cpr_even.cpr_long)
-        let lon1 = Int(cpr_odd.cpr_long)
-        
-        //latitude index
-        let j:Int = Int(floor(((59.0*Double(lat0) - 60.0*Double(lat1)) / 131072.0) + 0.5))
-        
-        var rlat0:Double = AirDlat0 * (Double(cpr_mod(j,60)) + Double(lat0) / 131072.0)
-        var rlat1:Double = AirDlat1 * (Double(cpr_mod(j,59)) + Double(lat1) / 131072.0)
-        
-        if (rlat0 >= 270.0) {
-            rlat0 -= 360.0
-        }
-        if (rlat1 >= 270.0) {
-            rlat1 -= 360.0
-        }
-        
-        /* Check that both are in the same latitude zone, or abort. */
-        if (cpr_NLFunction(rlat0) != cpr_NLFunction(rlat1)) {
-            print("Not same lat?!")
-            return false
-        }
-        
-        /* Compute ni and the longitude index m */
-        if (cpr_even.cprtime > cpr_odd.cprtime) {
-                /* Use even packet. */
-                let ni:Int = cpr_NFunction(rlat0,0);
-                let m:Int = Int(
-                    floor((((Double(lon0) * (Double(cpr_NLFunction(rlat0))-1.0)) -
-                                    (Double(lon1) * Double(cpr_NLFunction(rlat0)))) / 131072.0) + 0.5)
-                );
-                self.long = Double(cpr_DlonFunction(rlat0,0)) * (Double(cpr_mod(m,ni))+Double(lon0)/131072.0);
-                self.lat = rlat0;
-            } else {
-                /* Use odd packet. */
-                let ni:Int = cpr_NFunction(rlat1,1);
-                let m:Int = Int(floor((((Double(lon0) * (Double(cpr_NLFunction(rlat1))-1.0)) -
-                                (Double(lon1) * Double(cpr_NLFunction(rlat1)))) / 131072.0) + 0.5));
-                self.long = cpr_DlonFunction(rlat1,1) * (Double(cpr_mod(m,ni))+Double(lon1)/131072.0);
-                self.lat = rlat1;
-            }
-        if (self.long > 180) {
-            self.long -= 360
-        }
-        
-        ready = true
-        return true
-    }
-    
-    
-}
diff --git a/ADSBDecoder/Query.swift b/ADSBDecoder/Query.swift
deleted file mode 100644
index a92d919..0000000
--- a/ADSBDecoder/Query.swift
+++ /dev/null
@@ -1,126 +0,0 @@
-//
-//  Query.swift
-//  ADSBDecoder
-//
-//  Created by Jacky Jack on 31/05/2024.
-//
-
-import Foundation
-
-class QueryDF: CustomStringConvertible {
-    
-    //max I see is 24
-    var DFlist:[Int] = Array(repeating: 0, count: 30)
-    
-    init() {
-        
-    }
-    
-    func addDF(_ dataformat: UInt32) {
-        DFlist[Int(dataformat)] += 1
-    }
-    
-    func showStat() {
-        print("DataFormat Count")
-        for i in 0...(DFlist.count)-1 {
-            if DFlist[i] != 0 {
-                print(String(format:"       %02d: %05d", i, DFlist[i]))
-            }
-        }
-    }
-    
-    var description: String {
-        var description = "DataFormat Count\n"
-        for i in 0...(DFlist.count)-1 {
-            if DFlist[i] != 0 {
-                description += String(format:"        %02d:   %04d\n", i, DFlist[i])
-            }
-        }
-        return description
-    }
-}
-
-class QueryDF17TC: CustomStringConvertible {
-    var TClist:[Int] = Array(repeating: 0, count: 32)
-    
-    init() {
-        
-    }
-    
-    func addTC(_ typecode: Int) {
-        TClist[typecode] += 1
-    }
-    
-    var description: String {
-        var description = "DF17 TypeCode Count\n"
-        for i in 0...(TClist.count-1) {
-            if TClist[i] != 0 {
-                description += String(format: "      %02d: %04d\n", i, TClist[i])
-            }
-        }
-        return description
-    }
-}
-
-class QueryDecodedMessages: CustomStringConvertible {
-    
-    var decoded:Int = 0
-    var total:Int = 0
-    
-    init() {
-        
-    }
-    
-    func addDecoded() {
-        decoded += 1
-        total += 1
-    }
-    
-    func addUndecoded() {
-        total = total + 1
-    }
-    
-    var description: String {
-        var description = "Total messages:\n"
-        description += "Decoded:\(decoded)\n"
-        description += "Total  :\(total) \(String(format:"%02.01f",Float(Float(decoded)/Float(total)*100.0)))%\n"
-        return description
-    }
-    
-}
-
-
-class QueryDF17TC_decoded: CustomStringConvertible {
-    var TClist_decoded:[Int] = Array(repeating: 0, count: 32)
-    var TClist_total:[Int] = Array(repeating: 0, count: 32)
-    
-    init() {
-        
-    }
-    
-    func addDecoded(_ typecode: Int) {
-        TClist_decoded[typecode] += 1
-        TClist_total[typecode] += 1
-    }
-    
-    func addUndecode(_ typecode: Int) {
-        TClist_total[typecode] += 1
-    }
-    
-    var description: String {
-        var description = ""
-        var decoded:Int = 0
-        var total:Int = 0
-        for i in 0...(TClist_decoded.count-1) {
-            total += TClist_total[i]
-            decoded += TClist_decoded[i]
-            if TClist_total[i] != 0 {
-                description += String(format: "      %02d: %04d\n", i, TClist_decoded[i])
-            }
-        }
-        description += String(format:"Total %d/%d %.1f",decoded,total,Double(Double(decoded)/Double(total))*100)
-        description += "%\n"
-        return description
-    }
-}
-
diff --git a/ADSBDecoder/Utils.swift b/ADSBDecoder/Utils.swift
deleted file mode 100644
index 7a7f177..0000000
--- a/ADSBDecoder/Utils.swift
+++ /dev/null
@@ -1,23 +0,0 @@
-//
-//  Utils.swift
-//  ADSBDecoder
-//
-//  Created by Jacky Jack on 30/06/2024.
-//
-
-import Foundation
-
-//return true if file excists
-func checkIfFileExists(_ fname: String) -> Bool {
-    let fm = FileManager.default
-    if fm.fileExists(atPath: fname) {
-        return true
-    }
-    return false
-}
-
-//get current run directory
-func getCurrentDirPath() -> String {
-    return Process().currentDirectoryPath
-}
-
diff --git a/ADSBDecoder/main.swift b/ADSBDecoder/main.swift
index 91ba97b..ace377f 100644
--- a/ADSBDecoder/main.swift
+++ b/ADSBDecoder/main.swift
@@ -11,7 +11,6 @@ import RegexBuilder
 import SQLite3
 
 
-
 struct CommandLineArgs: ParsableCommand {
     @Option(name: .shortAndLong) var inputfile: String
     @Flag(name: .shortAndLong) var debug:Bool = false