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413 lines
11 KiB
413 lines
11 KiB
package fleprocess
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/*
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Copyright © 2020 Jean-Marc Meessen, ON4KJM <on4kjm@gmail.com>
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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import (
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"fmt"
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"regexp"
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"strconv"
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"strings"
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)
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// LogLine is used to store all the data of a single log line
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type LogLine struct {
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Date string
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MyCall string
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Operator string
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MyWWFF string
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MyPOTA string
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MySOTA string
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MyPota string
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MySota string
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MyGrid string
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MyLat string
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MyLon string
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MyCounty string
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QslMsgFromHeader string
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Nickname string
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Mode string
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ModeType string
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Band string
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BandLowerLimit float64
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BandUpperLimit float64
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Frequency string
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Time string
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ActualTime string //time actually recorded in FLE
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Call string
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Comment string
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QSLmsg string
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OMname string
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GridLoc string
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RSTsent string
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RSTrcvd string
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WWFF string
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POTA string
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SOTA string
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}
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var regexpIsFullTime = regexp.MustCompile(`^[0-2]{1}[0-9]{3}$`)
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var regexpIsTimePart = regexp.MustCompile(`^[0-5]{1}[0-9]{1}$|^[1-9]{1}$`)
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var regexpIsOMname = regexp.MustCompile(`^@`)
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var regexpIsGridLoc = regexp.MustCompile(`^#`)
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var regexpIsRst = regexp.MustCompile(`^[\d]{1,3}$`)
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var regexpIsFreq = regexp.MustCompile(`^[\d]+\.[\d]+$`)
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var regexpIsSotaKeyWord = regexp.MustCompile(`(?i)^sota$`)
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var regexpIsWwffKeyWord = regexp.MustCompile(`(?i)^wwff$`)
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var regexpIsPotaKeyWord = regexp.MustCompile(`(?i)^pota$`)
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var regexpDatePattern = regexp.MustCompile(`^(\d{2}|\d{4})[-/ .]\d{1,2}[-/ .]\d{1,2}$`)
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var regexpIsDateKeyWord = regexp.MustCompile(`(?i)^date$`)
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var regexpDayIncrementPattern = regexp.MustCompile(`^\+*$`)
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var regexpIsDayKeyword = regexp.MustCompile(`(?i)^day$`)
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var regexpKhzPartOfQrg = regexp.MustCompile(`\.\d+`)
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// ParseLine cuts a FLE line into useful bits
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func ParseLine(inputStr string, previousLine LogLine) (logLine LogLine, errorMsg string) {
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//TODO: input null protection?
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//Flag telling that we are processing data to the right of the callsign
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isRightOfCall := false
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//Flag used to know if we are parsing the Sent RST (first) or received RST (second)
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haveSentRST := false
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//TODO: Make something more intelligent
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//TODO: What happens if we have partial lines
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previousLine.Call = ""
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previousLine.RSTsent = ""
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previousLine.RSTrcvd = ""
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previousLine.SOTA = ""
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previousLine.POTA = ""
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previousLine.WWFF = ""
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previousLine.OMname = ""
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previousLine.GridLoc = ""
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previousLine.Comment = ""
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previousLine.ActualTime = ""
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logLine = previousLine
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//TODO: what happens when we have <> or when there are multiple comments
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//TODO: Refactor this! it is ugly
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comment, inputStr := getBraketedData(inputStr, COMMENT)
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if comment != "" {
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logLine.Comment = comment
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}
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QSLmsg, inputStr := getBraketedData(inputStr, QSL)
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if QSLmsg != "" {
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logLine.QSLmsg = QSLmsg
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}
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elements := strings.Fields(inputStr)
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for _, element := range elements {
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// Is it a mode?
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if lookupMode(strings.ToUpper(element)) {
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logLine.Mode = strings.ToUpper(element)
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//TODO: improve this: what if the band is at the end of the line
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// Set the default RST depending of the mode
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if (logLine.RSTsent == "") || (logLine.RSTrcvd == "") {
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// get default RST and Mode category
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modeType, defaultReport := getDefaultReport(logLine.Mode)
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logLine.ModeType = modeType
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logLine.RSTsent = defaultReport
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logLine.RSTrcvd = defaultReport
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} else {
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errorMsg = errorMsg + "Double definitiion of RST"
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}
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continue
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}
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//Date?
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if regexpDatePattern.MatchString(element) {
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//We probably have a date, let's normalize it
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errorTxt := ""
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normalizedDate := ""
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normalizedDate, errorTxt = NormalizeDate(element)
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if len(errorTxt) != 0 {
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logLine.Date = normalizedDate
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errorMsg = errorMsg + fmt.Sprintf("Invalid Date: %s (%s)", element, errorTxt)
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} else {
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logLine.Date, errorTxt = ValidateDate(normalizedDate)
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if len(errorTxt) != 0 {
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errorMsg = errorMsg + fmt.Sprintf("Error %s", errorTxt)
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}
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}
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continue
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}
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// The date keyword is not really useful, skip it
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if regexpIsDateKeyWord.MatchString(element) {
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continue
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}
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//Skip the "day" keyword
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if regexpIsDayKeyword.MatchString(element) {
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continue
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}
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//Scan the + part
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if regexpDayIncrementPattern.MatchString(element) {
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increment := len(element)
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newDate, dateError := IncrementDate(logLine.Date, increment)
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if dateError != "" {
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errorMsg = errorMsg + dateError
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}
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logLine.Date = newDate
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continue
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}
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// Is it a band?
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isBandElement, bandLowerLimit, bandUpperLimit, _ := IsBand(element)
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if isBandElement {
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logLine.Band = strings.ToLower(element)
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logLine.BandLowerLimit = bandLowerLimit
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logLine.BandUpperLimit = bandUpperLimit
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//As a new band is defined, we reset the stored frequency (from previous lines)
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// This assumes that the band is defined before frequency
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logLine.Frequency = ""
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continue
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}
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// Is it a Frequency?
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if regexpIsFreq.MatchString(element) {
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khzPart := regexpKhzPartOfQrg.FindStringSubmatch(element)
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var qrg float64
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qrg, _ = strconv.ParseFloat(element, 32)
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if (logLine.BandLowerLimit != 0.0) && (logLine.BandUpperLimit != 0.0) {
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if (qrg >= logLine.BandLowerLimit) && (qrg <= logLine.BandUpperLimit) {
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//Increase precision to half Khz if data is available
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if len(khzPart[0]) > 4 {
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//The "." is part of the returned string
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logLine.Frequency = fmt.Sprintf("%.4f", qrg)
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} else {
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logLine.Frequency = fmt.Sprintf("%.3f", qrg)
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}
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} else {
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logLine.Frequency = ""
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errorMsg = errorMsg + "Frequency [" + element + "] is invalid for " + logLine.Band + " band."
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}
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} else {
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errorMsg = errorMsg + "Unable to load frequency [" + element + "]: no band defined for that frequency."
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}
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continue
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}
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// Is it a call sign ?
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if validCallRegexp.MatchString(strings.ToUpper(element)) {
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//If it starts with "#",it is a grid definition and not a call
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//If the potential callsign contains a dash, it is a Sota reference
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if (element[0] != '#') && (!strings.Contains(element, "-")) {
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callErrorMsg := ""
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logLine.Call, callErrorMsg = ValidateCall(element)
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errorMsg = errorMsg + callErrorMsg
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isRightOfCall = true
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continue
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}
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}
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// Is it a "full" time ?
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if !isRightOfCall {
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if regexpIsFullTime.MatchString(element) {
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logLine.Time = element
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logLine.ActualTime = element
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continue
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}
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// Is it a partial time ?
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if regexpIsTimePart.MatchString(element) {
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if logLine.Time == "" {
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logLine.Time = element
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logLine.ActualTime = element
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} else {
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goodPart := logLine.Time[:len(logLine.Time)-len(element)]
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logLine.Time = goodPart + element
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logLine.ActualTime = goodPart + element
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}
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continue
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}
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}
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// Is it the OM's name (starting with "@")
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if regexpIsOMname.MatchString(element) {
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logLine.OMname = strings.TrimLeft(element, "@")
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continue
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}
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// Is it the Grid Locator (starting with "#")
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if regexpIsGridLoc.MatchString(element) {
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grid := strings.TrimLeft(element, "#")
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cleanGrid, callErrorMsg := ValidateGridLocator(grid)
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logLine.GridLoc = cleanGrid
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errorMsg = errorMsg + callErrorMsg
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continue
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}
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if isRightOfCall {
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//This is probably a RST
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if regexpIsRst.MatchString(element) {
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workRST := ""
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switch len(element) {
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case 1:
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if logLine.ModeType == "CW" {
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workRST = "5" + element + "9"
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} else {
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if logLine.ModeType == "PHONE" {
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workRST = "5" + element
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}
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}
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case 2:
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if logLine.ModeType == "CW" {
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workRST = element + "9"
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} else {
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if logLine.ModeType == "PHONE" {
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workRST = element
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}
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}
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case 3:
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if logLine.ModeType == "CW" {
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workRST = element
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} else {
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workRST = "*" + element
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errorMsg = errorMsg + "Invalid report [" + element + "] for " + logLine.ModeType + " mode."
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}
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}
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if haveSentRST {
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logLine.RSTrcvd = workRST
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} else {
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logLine.RSTsent = workRST
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haveSentRST = true
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}
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continue
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}
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// If the "wwff" keyword is used, skip it
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if regexpIsWwffKeyWord.MatchString(element) {
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// this keyword is not requiered anymore with FLE 3 and doesn't add any value
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continue
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}
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// Is it a "WWFF to WWFF" reference?
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workRef, wwffErr := ValidateWwff(element)
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if wwffErr == "" {
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logLine.WWFF = workRef
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continue
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}
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// If the "pota" keyword is used, skip it
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if regexpIsPotaKeyWord.MatchString(element) {
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// this keyword is not requiered anymore with FLE 3 and doesn't add any value
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continue
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}
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// Is it a "POTA to POTA" reference?
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workRef, potaErr := ValidatePota(element)
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if potaErr == "" {
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logLine.POTA = workRef
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continue
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}
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// If the "sota" keyword is used, skip it
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if regexpIsSotaKeyWord.MatchString(element) {
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// this keyword is not requiered anymore with FLE 3 and doesn't add any value
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continue
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}
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// Is it a Summit to Summit (sota) reference?
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workRef, sotaErr := ValidateSota(element)
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if sotaErr == "" {
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logLine.SOTA = workRef
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continue
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}
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}
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//If we come here, we could not make sense of what we found
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errorMsg = errorMsg + "Unable to make sense of [" + element + "]. "
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}
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//If no report is present, let's fill it with mode default
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if logLine.RSTsent == "" {
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_, logLine.RSTsent = getDefaultReport(logLine.Mode)
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}
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if logLine.RSTrcvd == "" {
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_, logLine.RSTrcvd = getDefaultReport(logLine.Mode)
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}
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//For debug purposes
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//fmt.Println("\n", SprintLogRecord(logLine))
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return logLine, errorMsg
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}
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func lookupMode(lookup string) bool {
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switch lookup {
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case
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"CW",
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"SSB",
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"AM",
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"FM",
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"RTTY",
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"FT8",
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"PSK",
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"JT65",
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"JT9",
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"FT4",
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"JS8",
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"ARDOP",
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"ATV",
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"C4FM",
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"CHIP",
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"CLO",
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"CONTESTI",
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"DIGITALVOICE",
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"DOMINO",
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"DSTAR",
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"FAX",
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"FSK441",
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"HELL",
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"ISCAT",
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"JT4",
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"JT6M",
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"JT44",
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"MFSK",
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"MSK144",
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"MT63",
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"OLIVIA",
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"OPERA",
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"PAC",
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"PAX",
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"PKT",
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"PSK2K",
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"Q15",
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"QRA64",
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"ROS",
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"RTTYM",
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"SSTV",
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"T10",
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"THOR",
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"THRB",
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"TOR",
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"V4",
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"VOI",
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"WINMOR",
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"WSPR":
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return true
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}
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return false
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}
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