Module: LiquidDiagrams::Utils

Defined in:
lib/liquid_diagrams/utils.rb

Constant Summary collapse

INLINE_OPTIONS_SYNTAX = 
/^\s*(?:(\w+)=(\w+|"[^"]+")\s+)*\s*$/.freeze
INLINE_OPTIONS_REGEXP = 
/(?:(\w+)=(\w+|"[^"]+"))/.freeze

Class Method Summary collapse

Class Method Details

.build_flags(config, keys, prefix: '--') ⇒ Object 



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# File 'lib/liquid_diagrams/utils.rb', line 40

def build_flags(config, keys, prefix: '--')
  config.slice(*keys).map do |flag, val|
    "#{prefix}#{flag}" if val
  end.join(' ').strip
end

.build_options(config, keys, prefix: '--', sep: ' ') ⇒ Object 



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# File 'lib/liquid_diagrams/utils.rb', line 34

def build_options(config, keys, prefix: '--', sep: ' ')
  config.slice(*keys).map do |opt, val|
    "#{prefix}#{opt}#{sep}#{val}"
  end.join(' ').strip
end

.join(args, with:) { ... } ⇒ String

Join the args with prefix

Examples:

join on string

join('path', with: ' -I')                     # => '-Ipath'

join on array

join(%w[path1 path2], with: ' -I')            # => '-Ipath1 -Ipath2'

join on hash

join({ color: 'red', size: '10' }, with: ' --') do |k, v|
  "#{k} #{v}"
end                                           # => '--color red --size 10'

Parameters:

  • args (String, Array, Hash)
  • with (String)

Yields:

  • When ‘args` is a Hash, you must provide a block

Yield Returns:

  • (String) —

    The result string to join

Returns:

  • (String) 


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# File 'lib/liquid_diagrams/utils.rb', line 27

def join(args, with:)
  args = Array(args)
  args = args.map { |arg| yield arg } if block_given?

  "#{with}#{args.join(with)}".strip
end

.parse_inline_options(input) ⇒ Object 



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# File 'lib/liquid_diagrams/utils.rb', line 57

def parse_inline_options(input)
  options = {}

  input.scan(INLINE_OPTIONS_REGEXP) do |key, value|
    value.delete!('"') if value.include?('"')

    options[key.to_s] = value
  end

  options
end

.run_jar(jar) ⇒ Object 



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# File 'lib/liquid_diagrams/utils.rb', line 46

def run_jar(jar)
  "java -Djava.awt.headless=true -jar #{jar}"
end

.vendor_path(file = '') ⇒ Object 



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# File 'lib/liquid_diagrams/utils.rb', line 50

def vendor_path(file = '')
  File.join(__dir__, '../../vendor', file)
end