SemanticVersion class

Namespace: Velopack

A semantic version implementation that supports SemVer2 with an optional 4th revision component for backwards compatibility with NuGet-style version numbers.

public class SemanticVersion : IEquatable<SemanticVersion>, IComparable<SemanticVersion>, IComparable

Implements: IEquatable<SemanticVersion>, IComparable<SemanticVersion>, IComparable

Constructors

Constructor	Summary
SemanticVersion	Creates a new SemanticVersion.
SemanticVersion	Creates a new SemanticVersion from a traditional 4-part Version.
SemanticVersion	Creates a new SemanticVersion with a revision component.

SemanticVersion(major, minor, patch, prerelease, metadata)

public SemanticVersion(int major, int minor, int patch, string prerelease = "", string metadata = "")

Creates a new SemanticVersion.

Parameters

Name	Type	Description
major	int	The major version number.
minor	int	The minor version number.
patch	int	The patch version number.
prerelease	string	The pre-release label (e.g. "beta.1"), or empty/null for a stable release.
metadata	string	The build metadata string, or empty/null for no metadata.

SemanticVersion(version, prerelease, metadata)

public SemanticVersion(Version version, string prerelease = "", string metadata = "")

Creates a new SemanticVersion from a traditional 4-part Version.

Parameters

Name	Type	Description
version	Version	The version containing major, minor, patch, and revision.
prerelease	string	The pre-release label (e.g. "beta.1"), or empty/null for a stable release.
metadata	string	The build metadata string, or empty/null for no metadata.

SemanticVersion(major, minor, patch, revision, prerelease, metadata)

public SemanticVersion(int major, int minor, int patch, int revision, string prerelease = "", string metadata = "")

Creates a new SemanticVersion with a revision component.

Parameters

Name	Type	Description
major	int	The major version number.
minor	int	The minor version number.
patch	int	The patch version number.
revision	int	The fourth version component.
prerelease	string	The pre-release label, or empty/null for a stable release.
metadata	string	The build metadata string, or empty/null for no metadata.

Properties

Property	Summary
Major	The major version component.
Minor	The minor version component.
Patch	The patch version component.
Revision	The optional fourth version component, or 0 if not specified.
Version	A basic four-part version ignoring release labels and metadata.
Release	The full pre-release label string (e.g. "beta.1"), or empty string if not a pre-release.
ReleaseLabels	The dot-separated pre-release identifiers.
IsPrerelease	True if this version has a pre-release label.
Metadata	The build metadata string, or empty string if none.
HasMetadata	True if this version has build metadata.

Major

public int Major { get; }

The major version component.

Minor

public int Minor { get; }

The minor version component.

Patch

public int Patch { get; }

The patch version component.

Revision

public int Revision { get; }

The optional fourth version component, or 0 if not specified.

Version

public Version Version { get; }

A basic four-part version ignoring release labels and metadata.

Release

public string Release { get; }

The full pre-release label string (e.g. "beta.1"), or empty string if not a pre-release.

ReleaseLabels

public IEnumerable<string> ReleaseLabels { get; }

The dot-separated pre-release identifiers.

IsPrerelease

public bool IsPrerelease { get; }

True if this version has a pre-release label.

Metadata

public string Metadata { get; }

The build metadata string, or empty string if none.

HasMetadata

public bool HasMetadata { get; }

True if this version has build metadata.

Methods

Method	Summary
Parse	Parse a version string into a SemanticVersion. Throws ArgumentException on invalid input.
TryParse	Try to parse a version string. Returns false if the string is not a valid semantic version.
CompareByVersion	Compares two versions by Major.Minor.Patch.Revision only, ignoring pre-release and metadata.
ToFullString	Returns the full version string including metadata (e.g. "1.2.3-beta+build").
ToNormalizedString	Returns the normalized version string without metadata (e.g. "1.2.3-beta").
ToString
CompareTo
CompareTo
Equals
Equals
GetHashCode

Parse(value)

public static SemanticVersion Parse(string value)

Parse a version string into a SemanticVersion. Throws ArgumentException on invalid input.

Parameters

Name	Type	Description
value	string

Returns SemanticVersion

TryParse(value, version)

public static bool TryParse(string? value, out SemanticVersion? version)

Try to parse a version string. Returns false if the string is not a valid semantic version.

Parameters

Name	Type	Description
value	string
version	SemanticVersion

Returns bool

CompareByVersion(a, b)

public static int CompareByVersion(SemanticVersion? a, SemanticVersion? b)

Compares two versions by Major.Minor.Patch.Revision only, ignoring pre-release and metadata.

Parameters

Name	Type	Description
a	SemanticVersion
b	SemanticVersion

Returns int

ToFullString()

public string ToFullString()

Returns the full version string including metadata (e.g. "1.2.3-beta+build").

Returns string

ToNormalizedString()

public string ToNormalizedString()

Returns the normalized version string without metadata (e.g. "1.2.3-beta").

Returns string

ToString()

public override string ToString()

Returns string

CompareTo(other)

public int CompareTo(SemanticVersion? other)

Parameters

Name	Type	Description
other	SemanticVersion

Returns int

CompareTo(obj)

public int CompareTo(object? obj)

Parameters

Name	Type	Description
obj	object

Returns int

Equals(other)

public bool Equals(SemanticVersion? other)

Parameters

Name	Type	Description
other	SemanticVersion

Returns bool

Equals(obj)

public override bool Equals(object? obj)

Parameters

Name	Type	Description
obj	object

Returns bool

GetHashCode()

public override int GetHashCode()

Returns int

Operators

Operator	Summary
operator ==	Equality operator.
operator !=	Inequality operator.
operator <	Less-than operator.
operator >	Greater-than operator.
operator <=	Less-than-or-equal operator.
operator >=	Greater-than-or-equal operator.

operator ==(left, right)

public static bool operator ==(SemanticVersion? left, SemanticVersion? right)

Equality operator.

Parameters

Name	Type	Description
left	SemanticVersion
right	SemanticVersion

Returns bool

operator !=(left, right)

public static bool operator !=(SemanticVersion? left, SemanticVersion? right)

Inequality operator.

Parameters

Name	Type	Description
left	SemanticVersion
right	SemanticVersion

Returns bool

operator <(left, right)

public static bool operator <(SemanticVersion? left, SemanticVersion? right)

Less-than operator.

Parameters

Name	Type	Description
left	SemanticVersion
right	SemanticVersion

Returns bool

operator >(left, right)

public static bool operator >(SemanticVersion? left, SemanticVersion? right)

Greater-than operator.

Parameters

Name	Type	Description
left	SemanticVersion
right	SemanticVersion

Returns bool

operator <=(left, right)

public static bool operator <=(SemanticVersion? left, SemanticVersion? right)

Less-than-or-equal operator.

Parameters

Name	Type	Description
left	SemanticVersion
right	SemanticVersion

Returns bool

operator >=(left, right)

public static bool operator >=(SemanticVersion? left, SemanticVersion? right)

Greater-than-or-equal operator.

Parameters

Name	Type	Description
left	SemanticVersion
right	SemanticVersion

Returns bool

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