Module: Csvlint::Types

Included in:
Field, Validator
Defined in:
lib/csvlint/types.rb

Constant Summary collapse

SIMPLE_FORMATS = 
{
  'string' => lambda { |value| true },
  'numeric' => lambda { |value| value.strip[/\A[-+]?\d*\.?\d+(?:[eE][-+]?\d+)?\z/] },
  'uri' => lambda do |value|
    if value.strip[/\Ahttps?:/]
      u = URI.parse(value)
      u.kind_of?(URI::HTTP) || u.kind_of?(URI::HTTPS)
    end
  end
}
TYPE_VALIDATIONS = 
{
    'http://www.w3.org/2001/XMLSchema#string'  => lambda { |value, constraints| value },
    'http://www.w3.org/2001/XMLSchema#int'     => lambda { |value, constraints| Integer value },
    'http://www.w3.org/2001/XMLSchema#integer' => lambda { |value, constraints| Integer value },
    'http://www.w3.org/2001/XMLSchema#float'   => lambda { |value, constraints| Float value },
    'http://www.w3.org/2001/XMLSchema#double'   => lambda { |value, constraints| Float value },
    'http://www.w3.org/2001/XMLSchema#anyURI'  => lambda do |value, constraints|
      u = URI.parse value
      raise ArgumentError unless u.kind_of?(URI::HTTP) || u.kind_of?(URI::HTTPS)
      u
    end,
    'http://www.w3.org/2001/XMLSchema#boolean' => lambda do |value, constraints|
      return true if ['true', '1'].include? value
      return false if ['false', '0'].include? value
      raise ArgumentError
    end,
    'http://www.w3.org/2001/XMLSchema#nonPositiveInteger' => lambda do |value, constraints|
      i = Integer value
      raise ArgumentError unless i <= 0
      i
    end,
    'http://www.w3.org/2001/XMLSchema#negativeInteger' => lambda do |value, constraints|
      i = Integer value
      raise ArgumentError unless i < 0
      i
    end,
    'http://www.w3.org/2001/XMLSchema#nonNegativeInteger' => lambda do |value, constraints|
      i = Integer value
      raise ArgumentError unless i >= 0
      i
    end,
    'http://www.w3.org/2001/XMLSchema#positiveInteger' => lambda do |value, constraints|
      i = Integer value
      raise ArgumentError unless i > 0
      i
    end,
    'http://www.w3.org/2001/XMLSchema#dateTime' => lambda do |value, constraints|
      date_pattern = constraints["datePattern"] || "%Y-%m-%dT%H:%M:%SZ"
      d = DateTime.strptime(value, date_pattern)
      raise ArgumentError unless d.strftime(date_pattern) == value
      d
    end,
    'http://www.w3.org/2001/XMLSchema#date' => lambda do |value, constraints|
      date_pattern = constraints["datePattern"] || "%Y-%m-%d"
      d = Date.strptime(value, date_pattern)
      raise ArgumentError unless d.strftime(date_pattern) == value
      d
    end,
    'http://www.w3.org/2001/XMLSchema#time' => lambda do |value, constraints|
      date_pattern = constraints["datePattern"] || "%H:%M:%S"
      d = DateTime.strptime(value, date_pattern)
      raise ArgumentError unless d.strftime(date_pattern) == value
      d
    end,
    'http://www.w3.org/2001/XMLSchema#gYear' => lambda do |value, constraints|
      date_pattern = constraints["datePattern"] || "%Y"
      d = Date.strptime(value, date_pattern)
      raise ArgumentError unless d.strftime(date_pattern) == value
      d
    end,
    'http://www.w3.org/2001/XMLSchema#gYearMonth' => lambda do |value, constraints|
      date_pattern = constraints["datePattern"] || "%Y-%m"
      d = Date.strptime(value, date_pattern)
      raise ArgumentError unless d.strftime(date_pattern) == value
      d
    end,
}

Class Method Summary collapse

Class Method Details

.date_format(klass, value, format, pattern) ⇒ Object 



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# File 'lib/csvlint/types.rb', line 19

def self.date_format(klass, value, format, pattern)
  if value[pattern]
    klass.strptime(value, format).strftime(format) == value
  end
end

.included(base) ⇒ Object 



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# File 'lib/csvlint/types.rb', line 25

def self.included(base)
  [
    [ :db, "%Y-%m-%d",
           /\A\d{4,}-\d\d-\d\d\z/],
    [ :number, "%Y%m%d",
               /\A\d{8}\z/],
    [ :short, "%e %b",
              /\A[ \d]\d (?:#{Date::ABBR_MONTHNAMES.join('|')})\z/],
    [ :rfc822, "%e %b %Y",
               /\A[ \d]\d (?:#{Date::ABBR_MONTHNAMES.join('|')}) \d{4,}\z/],
    [ :long, "%B %e, %Y",
             /\A(?:#{Date::MONTHNAMES.join('|')}) [ \d]\d, \d{4,}\z/],
  ].each do |type,format,pattern|
    SIMPLE_FORMATS["date_#{type}"] = lambda do |value|
      date_format(Date, value, format, pattern)
    end
  end

  # strptime doesn't support widths like %9N, unlike strftime.
  # @see http://ruby-doc.org/stdlib-2.0/libdoc/date/rdoc/DateTime.html
  [
    [ :time,    "%H:%M",
                /\A\d\d:\d\d\z/],
    [ :hms,     "%H:%M:%S",
                /\A\d\d:\d\d:\d\d\z/],
    [ :db,      "%Y-%m-%d %H:%M:%S",
                /\A\d{4,}-\d\d-\d\d \d\d:\d\d:\d\d\z/],
    [ :iso8601, "%Y-%m-%dT%H:%M:%SZ",
                /\A\d{4,}-\d\d-\d\dT\d\d:\d\d:\d\dZ\z/],
    [ :number,  "%Y%m%d%H%M%S",
                /\A\d{14}\z/],
    [ :nsec,    "%Y%m%d%H%M%S%N",
                /\A\d{23}\z/],
    [ :short,   "%d %b %H:%M",
                /\A\d\d (?:#{Date::ABBR_MONTHNAMES.join('|')}) \d\d:\d\d\z/],
    [ :long,    "%B %d, %Y %H:%M",
                /\A(?:#{Date::MONTHNAMES.join('|')}) \d\d, \d{4,} \d\d:\d\d\z/],
  ].each do |type,format,pattern|
    SIMPLE_FORMATS["dateTime_#{type}"] = lambda do |value|
      date_format(Time, value, format, pattern)
    end
  end
end