102 lines
3.0 KiB
VB.net
102 lines
3.0 KiB
VB.net
Imports System.Text.RegularExpressions
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Imports DigitalData.Modules.Logging
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Public Class BaseFunctions
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Private ReadOnly Logger As Logger
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Private ReadOnly MyRegex As Regex = New Regex("{#(\w+)#([\:\.\w\s_-]+)}+")
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Private Const MAX_TRY_COUNT = 500
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Public Sub New(pLogConfig As LogConfig)
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Logger = pLogConfig.GetLogger
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End Sub
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Public Sub IncrementCounterOrThrow(ByRef pCounter As Integer)
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If pCounter >= MAX_TRY_COUNT Then
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Throw New OverflowException("Max tries exceeded while replacing placeholders!")
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End If
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pCounter += 1
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End Sub
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Public Function ReplacePattern(input As String, type As String, replacement As String) As String
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Dim elements As MatchCollection = MyRegex.Matches(input)
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If IsNothing(replacement) Then
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Return input
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End If
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For Each element As Match In elements
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' if group 1 contains the 'pattern' the replace whole group with 'replacement'
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' and return it
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If element.Groups(1).Value = type Then
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Return Regex.Replace(input, element.Groups(0).Value, replacement)
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End If
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Next
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' no replacement made
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Return input
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End Function
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Public Function ContainsPatternAndValue(pInput As String, pType As String, pValue As String) As Boolean
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Dim oElements As MatchCollection = MyRegex.Matches(pInput)
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For Each oElement As Match In oElements
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' Pattern in pInput
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Dim t As String = oElement.Groups(1).Value
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Dim v As String = oElement.Groups(2).Value
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If t = pType And v = pValue Then
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Return True
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End If
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Next
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Return False
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End Function
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Public Function ContainsPattern(pInput As String, pType As String) As String
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Dim oElements As MatchCollection = MyRegex.Matches(pInput)
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For Each oElement As Match In oElements
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Dim t As String = oElement.Groups(1).Value
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If t = pType Then
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Return True
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End If
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Next
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Return False
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End Function
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Public Function HasPattern(pInput As String, pType As String) As Boolean
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Dim oMatches = MyRegex.Matches(pInput)
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For Each oMatch As Match In oMatches
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For Each oGroup As Group In oMatch.Groups
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If oGroup.Value = pType Then
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Return True
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End If
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Next
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Next
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Return False
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End Function
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Public Function GetNextPattern(input As String, type As String) As Pattern
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Dim elements As MatchCollection = MyRegex.Matches(input)
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For Each element As Match In elements
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' Pattern in pInput
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Dim t As String = element.Groups(1).Value
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Dim v As String = element.Groups(2).Value
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If t = type Then
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Return New Pattern(t, v)
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End If
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Next
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Return Nothing
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End Function
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End Class
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