Class: SemanticRange::Version

Inherits:
Object
  • Object
show all
Defined in:
lib/semantic_range/version.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(version, loose = false) ⇒ Version

Returns a new instance of Version.

Raises:



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# File 'lib/semantic_range/version.rb', line 7

def initialize(version, loose = false)
  @raw = version
  @loose = loose

  @raw = version.raw if version.is_a?(Version)

  match = @raw.strip.match(loose ? LOOSE : FULL)

  raise NoMatchFound.new(version) if match.nil?

  @major = match[1] ? match[1].to_i : 0
  @minor = match[2] ? match[2].to_i : 0
  @patch = match[3] ? match[3].to_i : 0

  @prerelease = PreRelease.new match[4]

  @build = match[5] ? match[5].split('.') : []
end

Instance Attribute Details

#major ⇒ Object (readonly)

Returns the value of attribute major.



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# File 'lib/semantic_range/version.rb', line 5

def major
  @major
end

#minor ⇒ Object (readonly)

Returns the value of attribute minor.



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# File 'lib/semantic_range/version.rb', line 5

def minor
  @minor
end

#patch ⇒ Object (readonly)

Returns the value of attribute patch.



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# File 'lib/semantic_range/version.rb', line 5

def patch
  @patch
end

#prerelease ⇒ Object (readonly)

Returns the value of attribute prerelease.



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# File 'lib/semantic_range/version.rb', line 5

def prerelease
  @prerelease
end

Class Method Details

.compare_identifiers(a, b) ⇒ Object 



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# File 'lib/semantic_range/version.rb', line 65

def self.compare_identifiers(a,b)
  anum = /^[0-9]+$/.match(a.to_s)
  bnum = /^[0-9]+$/.match(b.to_s)

  if anum && bnum
    a = a.to_i
    b = b.to_i
  end

  return (anum && !bnum) ? -1 :
         (bnum && !anum) ? 1 :
         a < b ? -1 :
         a > b ? 1 :
         0;
end

Instance Method Details

#compare(other) ⇒ Object 



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# File 'lib/semantic_range/version.rb', line 43

def compare(other)
  other = Version.new(other, @loose) unless other.is_a?(Version)
  res = truthy(compare_main(other)) || truthy(compare_pre(other))
  res.is_a?(FalseClass) ? 0 : res
end

#compare_main(other) ⇒ Object 



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# File 'lib/semantic_range/version.rb', line 49

def compare_main(other)
  other = Version.new(other, @loose) unless other.is_a?(Version)
  truthy(self.class.compare_identifiers(@major, other.major)) ||
  truthy(self.class.compare_identifiers(@minor, other.minor)) ||
  truthy(self.class.compare_identifiers(@patch, other.patch))
end

#compare_pre(other) ⇒ Object 



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# File 'lib/semantic_range/version.rb', line 61

def compare_pre(other)
  prerelease <=> other.prerelease
end

#format ⇒ Object 



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# File 'lib/semantic_range/version.rb', line 26

def format
  v = "#{@major}.#{@minor}.#{@patch}"
  prerelease.length > 0 ? "#{v}-#{prerelease}" : v
end

#increment!(release, identifier) ⇒ Object 



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# File 'lib/semantic_range/version.rb', line 81

def increment!(release, identifier)
  case release
  when 'premajor'
    @prerelease.clear!
    @patch = 0
    @minor = 0
    @major = @major + 1
    increment! 'pre', identifier
  when 'preminor'
    @prerelease.clear!
    @patch = 0
    @minor = @minor + 1
    increment! 'pre', identifier
  when 'prepatch'
    # If this is already a prerelease, it will bump to the next version
    # drop any prereleases that might already exist, since they are not
    # relevant at this point.
    @prerelease.clear!
    increment! 'patch', identifier
    increment! 'pre', identifier

    # If the input is a non-prerelease version, this acts the same as
    # prepatch.
  when 'prerelease'
    if @prerelease.empty?
      increment! 'patch', identifier
    end
    increment! 'pre', identifier
  when 'major'
    # If this is a pre-major version, bump up to the same major version.
    # Otherwise increment major.
    # 1.0.0-5 bumps to 1.0.0
    # 1.1.0 bumps to 2.0.0
    if @minor != 0 || @patch != 0 || @prerelease.empty?
      @major = @major + 1
    end
    @minor = 0
    @patch = 0
    @prerelease.clear!
  when 'minor'
    # If this is a pre-minor version, bump up to the same minor version.
    # Otherwise increment minor.
    # 1.2.0-5 bumps to 1.2.0
    # 1.2.1 bumps to 1.3.0
    if @patch != 0 || @prerelease.empty?
      @minor = @minor + 1
    end
    @patch = 0
    @prerelease.clear!
  when 'patch'
    # If this is not a pre-release version, it will increment the patch.
    # If it is a pre-release it will bump up to the same patch version.
    # 1.2.0-5 patches to 1.2.0
    # 1.2.0 patches to 1.2.1
    if @prerelease.empty?
      @patch = @patch + 1
    end
    @prerelease.clear!

    # This probably shouldn't be used publicly.
    # 1.0.0 "pre" would become 1.0.0-0 which is the wrong direction.
  when 'pre'
    if @prerelease.empty?
      @prerelease.zero!
    else
      parts = @prerelease.parts
      i = parts.length
      while i >= 0
        if parts[i].is_a?(Fixnum)
          parts[i] += 1
          i = -2
        else
          i = i-1
        end
      end
      if i == -1 # didn't increment anything
        parts << 0
      end
      @prerelease = PreRelease.new(parts.join("."))
    end
    if identifier
      # 1.2.0-beta.1 bumps to 1.2.0-beta.2,
      # 1.2.0-beta.fooblz or 1.2.0-beta bumps to 1.2.0-beta.0
      if @prerelease.parts[0] == identifier
        unless @prerelease.parts[1].kind_of?(Fixnum)
          @prerelease = PreRelease.new([identifier, 0].join('.'))
        end
      else
        @prerelease = PreRelease.new([identifier, 0].join('.'))
      end
    end
  else
    raise InvalidIncrement.new release
  end

  self
end

#raw ⇒ Object 



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# File 'lib/semantic_range/version.rb', line 39

def raw
  version
end

#to_s ⇒ Object 



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# File 'lib/semantic_range/version.rb', line 31

def to_s
  @version
end

#truthy(val) ⇒ Object 



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# File 'lib/semantic_range/version.rb', line 56

def truthy(val)
  return val unless val.is_a?(Integer)
  val.zero? ? false : val
end

#version ⇒ Object 



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# File 'lib/semantic_range/version.rb', line 35

def version
  format
end