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Merge pull request #98 from Thilas/streams
Streams support
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,102 @@ | ||
| class AUVersion : System.IComparable { | ||
| [version] $Version | ||
| [string] $Prerelease | ||
| [string] $BuildMetadata | ||
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| AUVersion([version] $version, [string] $prerelease, [string] $buildMetadata) { | ||
| if (!$version) { throw 'Version cannot be null.' } | ||
| $this.Version = $version | ||
| $this.Prerelease = $prerelease | ||
| $this.BuildMetadata = $buildMetadata | ||
| } | ||
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| static [AUVersion] Parse([string] $input) { return [AUVersion]::Parse($input, $true) } | ||
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| static [AUVersion] Parse([string] $input, [bool] $strict) { | ||
| if (!$input) { throw 'Version cannot be null.' } | ||
| $reference = [ref] $null | ||
| if (![AUVersion]::TryParse($input, $reference, $strict)) { throw "Invalid version: $input." } | ||
| return $reference.Value | ||
| } | ||
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| static [bool] TryParse([string] $input, [ref] $result) { return [AUVersion]::TryParse($input, $result, $true) } | ||
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| static [bool] TryParse([string] $input, [ref] $result, [bool] $strict) { | ||
| $result.Value = [AUVersion] $null | ||
| if (!$input) { return $false } | ||
| $pattern = [AUVersion]::GetPattern($strict) | ||
| if ($input -notmatch $pattern) { return $false } | ||
| $reference = [ref] $null | ||
| if (![version]::TryParse($Matches['version'], $reference)) { return $false } | ||
| $result.Value = [AUVersion]::new($reference.Value, $Matches['prerelease'], $Matches['buildMetadata']) | ||
| return $true | ||
| } | ||
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| hidden static [string] GetPattern([bool] $strict) { | ||
| $versionPattern = '(?<version>\d+(?:\.\d+){0,3})' | ||
| # for now, chocolatey does only support SemVer v1 (no dot separated identifiers in pre-release): | ||
| $identifierPattern = "[0-9A-Za-z-]+" | ||
| # here is the SemVer v2 equivalent: | ||
| #$identifierPattern = "[0-9A-Za-z-]+(?:\.[0-9A-Za-z-]+)*" | ||
| if ($strict) { | ||
| return "^$versionPattern(?:-(?<prerelease>$identifierPattern))?(?:\+(?<buildMetadata>$identifierPattern))?`$" | ||
| } else { | ||
| return "$versionPattern(?:-?(?<prerelease>$identifierPattern))?(?:\+(?<buildMetadata>$identifierPattern))?" | ||
| } | ||
| } | ||
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| [int] CompareTo($obj) { | ||
| if ($obj -eq $null) { return 1 } | ||
| if ($obj -isnot [AUVersion]) { throw "AUVersion expected: $($obj.GetType())" } | ||
| $t = $this.GetParts() | ||
| $o = $obj.GetParts() | ||
| for ($i = 0; $i -lt $t.Length -and $i -lt $o.Length; $i++) { | ||
| if ($t[$i].GetType() -ne $o[$i].GetType()) { | ||
| $t[$i] = [string] $t[$i] | ||
| $o[$i] = [string] $o[$i] | ||
| } | ||
| if ($t[$i] -gt $o[$i]) { return 1 } | ||
| if ($t[$i] -lt $o[$i]) { return -1 } | ||
| } | ||
| if ($t.Length -eq 1 -and $o.Length -gt 1) { return 1 } | ||
| if ($o.Length -eq 1 -and $t.Length -gt 1) { return -1 } | ||
| if ($t.Length -gt $o.Length) { return 1 } | ||
| if ($t.Length -lt $o.Length) { return -1 } | ||
| return 0 | ||
| } | ||
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| [bool] Equals($obj) { return $this.CompareTo($obj) -eq 0 } | ||
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| [int] GetHashCode() { return $this.GetParts().GetHashCode() } | ||
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| [string] ToString() { | ||
| $result = $this.Version.ToString() | ||
| if ($this.Prerelease) { $result += "-$($this.Prerelease)" } | ||
| if ($this.BuildMetadata) { $result += "+$($this.BuildMetadata)" } | ||
| return $result | ||
| } | ||
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| [string] ToString([int] $fieldCount) { | ||
| if ($fieldCount -eq -1) { return $this.Version.ToString() } | ||
| return $this.Version.ToString($fieldCount) | ||
| } | ||
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| hidden [object[]] GetParts() { | ||
| $result = @($this.Version) | ||
| if ($this.Prerelease) { | ||
| $this.Prerelease -split '\.' | % { | ||
| # if identifier is exclusively numeric, cast it to an int | ||
| if ($_ -match '^[0-9]+$') { | ||
| $result += [int] $_ | ||
| } else { | ||
| $result += $_ | ||
| } | ||
| } | ||
| } | ||
| return $result | ||
| } | ||
| } | ||
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| function ConvertTo-AUVersion($Version) { | ||
| return [AUVersion] $Version | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,8 +1,4 @@ | ||
| # Returns [bool] | ||
| function is_version( [string] $Version ) { | ||
| $re = '^(\d{1,16})\.(\d{1,16})\.*(\d{1,16})*\.*(\d{1,16})*(-[^.-]+)*$' | ||
| if ($Version -notmatch $re) { return $false } | ||
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| $v = $Version -replace '-.+' | ||
| return [version]::TryParse($v, [ref]($__)) | ||
| return [AUVersion]::TryParse($Version, [ref]($__)) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,24 @@ | ||
| # Author: Thomas Démoulins <[email protected]> | ||
|
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| <# | ||
| .SYNOPSIS | ||
| Get a semver-like object from a given version string. | ||
| .DESCRIPTION | ||
| This function parses a string containing a semver-like version | ||
| and returns an object that represents both the version (with up to 4 parts) | ||
| and optionally a pre-release and a build metadata. | ||
| The parsing is quite flexible: | ||
| - the string can starts with a 'v' | ||
| - there can be no hyphen between the version and the pre-release | ||
| - extra spaces (between any parts of the semver-like version) are ignored | ||
| #> | ||
| function Get-Version { | ||
| [CmdletBinding()] | ||
| param( | ||
| # Version string to parse. | ||
| [string] $Version | ||
| ) | ||
| return [AUVersion]::Parse($Version, $false) | ||
| } |
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