Class: Origen::VersionString

Inherits:
String show all
Includes:
Utility::TimeAndDate
Defined in:
lib/origen/version_string.rb

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Utility::TimeAndDate

#time_now

Methods inherited from String

#camel_case, #escape_underscores, #excel_col_index, #is_downcase?, #is_numeric?, #is_upcase?, #is_verilog_number?, #pad_leading_zeros, #squeeze_lines, #symbolize, #titleize, #to_bool, #to_dec, #to_lines, #to_numeric, #to_snakecase, #to_snakecase!

Constructor Details

#initialize(version, prefix = 'v') ⇒ VersionString

returns version number string but strips out prefix


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# File 'lib/origen/version_string.rb', line 7

def initialize(version, prefix = 'v')
  version.gsub!(/^#{prefix}/, '')  # remove leading prefix
  super(version)
end

Class Method Details

.development_timestampObject

Returns a new development timestamp version string


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# File 'lib/origen/version_string.rb', line 18

def self.development_timestamp
  VersionString.new("#{User.current.initials}_#{time_now(format: :universal, underscore: true)}")
end

.maximum_version(condition) ⇒ Object

Returns the maximum Origen version that would satisfy the given condition, if the condition does not specify a maximum nil will be returned


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# File 'lib/origen/version_string.rb', line 335

def self.maximum_version(condition)
  if condition =~ /^==?\s*(.*)/
    version = Regexp.last_match[1]
  elsif condition =~ /^<=\s*(.*)/
    version = Regexp.last_match[1]
  elsif condition =~ /^<\s*(.*)/
    # This is tricky to support, would probably require a lookup
    # table of all versions to be maintained
    fail 'Maximum < version is currently not supported!'
  elsif condition =~ /^>=?\s*(.*)/
    nil
  else
    version = condition
  end
  VersionString.new(version).validate! if version
end

.minimum_version(condition) ⇒ Object

Returns the minimum Origen version that would satisfy the given condition, if the condition does not specify a minimum nil will be returned


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# File 'lib/origen/version_string.rb', line 316

def self.minimum_version(condition)
  if condition =~ /^==?\s*(.*)/
    version = Regexp.last_match[1]
  elsif condition =~ /^>=\s*(.*)/
    version = Regexp.last_match[1]
  elsif condition =~ /^>\s*(.*)/
    # This is tricky to support, would probably require a lookup
    # table of all versions to be maintained
    fail 'Minimum > version is currently not supported!'
  elsif condition =~ /^<=?\s*(.*)/
    nil
  else
    version = condition
  end
  VersionString.new(version).validate! if version
end

.production_timestampObject

Returns a new production timestamp version string


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# File 'lib/origen/version_string.rb', line 13

def self.production_timestamp
  VersionString.new("Rel#{time_now(format: :universal, include_time: false)}")
end

Instance Method Details

#bugfixObject Also known as: tiny


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# File 'lib/origen/version_string.rb', line 146

def bugfix
  @bugfix ||= begin
    if semantic?
      self =~ /v?\d+.\d+.(\d+)/
      Regexp.last_match[1].to_i
    else
      fail "#{self} is not a valid semantic version number!"
    end
  end
end

#condition_met?(condition) ⇒ Boolean

Returns true if the version fulfills the supplied condition. Example conditions:

"v2.1.3"      # must equal the given version
"= v2.1.3"    # alias for the above
"> v2.1.3"    # must be greater than the given version
">= v2.1.3"   # must be greater than or equal to the given version
"< v2.1.3"    # must be less than the given version
"<= v2.1.3"   # must be less than or equal to the given version
"production"  # must be a production tag

Returns:

  • (Boolean)

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# File 'lib/origen/version_string.rb', line 191

def condition_met?(condition)
  condition = condition.to_s.strip
  if condition == 'prod' || condition == 'production'
    production?

  elsif condition =~ /^>=\s*(.*)/
    tag = validate_condition!(condition, Regexp.last_match[1])
    # Force false in the case where a production and development
    # timestamp fall on the same date. Since the production tag
    # does not contain time information it is impossible to say
    # which one is greater
    if production? != tag.production? && timestamp? &&
       to_date == tag.to_date
      false
    else
      numeric >= tag.numeric && ((self.latest? || tag.latest?) || self.timestamp? == tag.timestamp?)
    end

  elsif condition =~ /^>\s*(.*)/
    tag = validate_condition!(condition, Regexp.last_match[1])
    if production? != tag.production? && timestamp? &&
       to_date == tag.to_date
      false
    else
      numeric > tag.numeric && ((self.latest? || tag.latest?) || self.timestamp? == tag.timestamp?)
    end

  elsif condition =~ /^<=\s*(.*)/
    tag = validate_condition!(condition, Regexp.last_match[1])
    numeric <= tag.numeric && ((self.latest? || tag.latest?) || self.timestamp? == tag.timestamp?)

  elsif condition =~ /^<\s*(.*)/
    tag = validate_condition!(condition, Regexp.last_match[1])
    numeric < tag.numeric && ((self.latest? || tag.latest?) || self.timestamp? == tag.timestamp?)

  elsif condition =~ /^==?\s*(.*)/
    tag = validate_condition!(condition, Regexp.last_match[1])
    self == tag

  else
    tag = validate_condition!(condition, condition)
    self == tag
  end
end

#development?Boolean

Returns true if the version is a development tag

Returns:

  • (Boolean)

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# File 'lib/origen/version_string.rb', line 28

def development?
  !production?
end

#greater_than?(version) ⇒ Boolean Also known as: gt?

Returns:

  • (Boolean)

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# File 'lib/origen/version_string.rb', line 42

def greater_than?(version)
  condition_met?("> #{version}")
end

#greater_than_or_equal_to?(version) ⇒ Boolean Also known as: gte?

Returns:

  • (Boolean)

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# File 'lib/origen/version_string.rb', line 47

def greater_than_or_equal_to?(version)
  condition_met?(">= #{version}")
end

#latest?Boolean

Returns:

  • (Boolean)

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# File 'lib/origen/version_string.rb', line 171

def latest?
  downcase == 'trunk' || downcase == 'latest'
end

#less_than?(version) ⇒ Boolean Also known as: lt?

Returns:

  • (Boolean)

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# File 'lib/origen/version_string.rb', line 32

def less_than?(version)
  condition_met?("< #{version}")
end

#less_than_or_equal_to?(version) ⇒ Boolean Also known as: lte?

Returns:

  • (Boolean)

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# File 'lib/origen/version_string.rb', line 37

def less_than_or_equal_to?(version)
  condition_met?("<= #{version}")
end

#majorObject


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# File 'lib/origen/version_string.rb', line 124

def major
  @major ||= begin
    if semantic?
      self =~ /v?(\d+)/
      Regexp.last_match[1].to_i
    else
      fail "#{self} is not a valid semantic version number!"
    end
  end
end

#minorObject


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# File 'lib/origen/version_string.rb', line 135

def minor
  @minor ||= begin
    if semantic?
      self =~ /v?\d+.(\d+)/
      Regexp.last_match[1].to_i
    else
      fail "#{self} is not a valid semantic version number!"
    end
  end
end

#next_dev(type = :minor) ⇒ Object


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# File 'lib/origen/version_string.rb', line 65

def next_dev(type = :minor)
  if semantic?
    if pre
      if self =~ /dev/
        VersionString.new("#{major}.#{minor + 1}.0.pre#{pre + 1}")
      else
        VersionString.new("#{major}.#{minor}.#{tiny}.pre#{pre + 1}")
      end
    else
      case type
      when :major
        VersionString.new("#{major + 1}.0.0.pre0")
      when :minor, :development
        VersionString.new("#{major}.#{minor + 1}.0.pre0")
      when :tiny, :bugfix
        VersionString.new("#{major}.#{minor}.#{tiny + 1}.pre0")
      else
        fail "Unknown version counter type '#{type}', must be :major, :minor or :tiny"
      end
    end
  else
    VersionString.new("#{User.current.initials}_#{time_now(format: :universal, underscore: true)}")
  end
end

#next_prod(type = :minor) ⇒ Object


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# File 'lib/origen/version_string.rb', line 90

def next_prod(type = :minor)
  if semantic?
    if pre
      if self =~ /dev/
        case type
        when :major
          VersionString.new("#{major + 1}.0.0")
        when :minor, :production
          VersionString.new("#{major}.#{minor + 1}.0")
        when :tiny, :bugfix
          VersionString.new("#{major}.#{minor}.#{tiny + 1}")
        else
          fail "Unknown version counter type '#{type}', must be :major, :minor or :tiny"
        end
      else
        VersionString.new("#{major}.#{minor}.#{tiny}")
      end
    else
      case type
      when :major
        VersionString.new("#{major + 1}.0.0")
      when :minor, :production
        VersionString.new("#{major}.#{minor + 1}.0")
      when :tiny, :bugfix
        VersionString.new("#{major}.#{minor}.#{tiny + 1}")
      else
        fail "Unknown version counter type '#{type}', must be :major, :minor or :tiny"
      end
    end
  else
    VersionString.new("Rel#{time_now(format: :universal, include_time: false)}")
  end
end

#numericObject

Returns a numeric representation of the version, this can be used for chronological comparison with other versions


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# File 'lib/origen/version_string.rb', line 238

def numeric
  if latest?
    1_000_000_000_000_000_000_000_000_000
  elsif semantic?
    # This assumes each counter will never go > 1000
    if development?
      self =~ /v?(\d+).(\d+).(\d+).(dev|pre)(\d+)/
      (Regexp.last_match[1].to_i * 1000 * 1000 * 1000) +
        (Regexp.last_match[2].to_i * 1000 * 1000) +
        (Regexp.last_match[3].to_i * 1000) +
        Regexp.last_match[5].to_i
    else
      self =~ /v?(\d+).(\d+).(\d+)/
      (Regexp.last_match[1].to_i * 1000 * 1000 * 1000) +
        (Regexp.last_match[2].to_i * 1000 * 1000) +
        (Regexp.last_match[3].to_i * 1000)
    end
  elsif timestamp?
    to_time.to_i
  else
    validate!
  end
end

#preObject Also known as: dev


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# File 'lib/origen/version_string.rb', line 158

def pre
  @pre ||= begin
    if semantic?
      if self =~ /(dev|pre)(\d+)$/
        Regexp.last_match[2].to_i
      end
    else
      fail "#{self} is not a valid semantic version number!"
    end
  end
end

#prefixed(str = 'v') ⇒ Object

Returns the version prefixed with the given value ('v' by default) if not already present


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# File 'lib/origen/version_string.rb', line 354

def prefixed(str = 'v')
  if self =~ /^#{str}/
    to_s
  else
    "#{str}#{self}"
  end
end

#production?Boolean

Returns true if the version is a production tag

Returns:

  • (Boolean)

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# File 'lib/origen/version_string.rb', line 23

def production?
  !!(self =~ /^v?\d+\.\d+\.\d+$/ || self =~ /^Rel\d+$/)
end

#semantic?Boolean

Returns true if the version is a semantic format version number

Returns:

  • (Boolean)

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# File 'lib/origen/version_string.rb', line 59

def semantic?
  !!(self =~ /^v?\d+\.\d+\.\d+$/ ||
     self =~ /^v?\d+\.\d+\.\d+\.(dev|pre)\d+$/
    )
end

#timestamp?Boolean

Returns true if the version is a timestamp format version number

Returns:

  • (Boolean)

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# File 'lib/origen/version_string.rb', line 176

def timestamp?
  !!(self =~ /^Rel\d\d\d\d\d\d\d\d$/ ||
     self =~ /^\w\w\w?_\d\d\d\d_\d\d_\d\d_\d\d_\d\d$/)
end

#to_dateObject

Returns the version as a date, only applicable for timestamps, otherwise an error will be raised


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# File 'lib/origen/version_string.rb', line 282

def to_date
  if latest?
    Date.new(10_000, 1, 1)
  elsif timestamp?
    to_time.to_date
  else
    fail "Version tag #{self} cannot be converted to a date!"
  end
end

#to_timeObject

Returns the version as a time, only applicable for timestamps, otherwise an error will be raised


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# File 'lib/origen/version_string.rb', line 264

def to_time
  if latest?
    Time.new(10_000, 1, 1)
  elsif timestamp?
    if development?
      self =~ /\w+_(\d\d\d\d)_(\d\d)_(\d\d)_(\d\d)_(\d\d)$/
      Time.new(Regexp.last_match[1], Regexp.last_match[2], Regexp.last_match[3], Regexp.last_match[4], Regexp.last_match[5])
    else
      self =~ /Rel(\d\d\d\d)(\d\d)(\d\d)/
      Time.new(Regexp.last_match[1], Regexp.last_match[2], Regexp.last_match[3])
    end
  else
    fail "Version tag #{self} cannot be converted to a time!"
  end
end

#valid?(_options = {}) ⇒ Boolean

Returns true if the version is a correctly formatted semantic or timestamp version number

Returns:

  • (Boolean)

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# File 'lib/origen/version_string.rb', line 54

def valid?(_options = {})
  latest? || semantic? || timestamp?
end

#validate!(msg = nil) ⇒ Object

Will raise an error if the version is not valid, i.e. if valid? returns false


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# File 'lib/origen/version_string.rb', line 303

def validate!(msg = nil)
  unless valid?
    if msg
      fail msg
    else
      fail "The version string, #{self}, is not valid!"
    end
  end
  self
end

#validate_condition!(condition, tag) ⇒ Object

Validates the given condition and the extracted tag, returns the tag wrapped in a VersionString if valid, will raise an error if not


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# File 'lib/origen/version_string.rb', line 295

def validate_condition!(condition, tag)
  tag = VersionString.new(tag)
  tag.validate!("The version condition, #{condition}, is not valid!")
  tag
end