Class: Querly::PP::CLI

Inherits:
Object
  • Object
show all
Defined in:
lib/querly/pp/cli.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(argv, stdin: STDIN, stdout: STDOUT, stderr: STDERR) ⇒ CLI 



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# File 'lib/querly/pp/cli.rb', line 15

def initialize(argv, stdin: STDIN, stdout: STDOUT, stderr: STDERR)
  @argv = argv
  @stdin = stdin
  @stdout = stdout
  @stderr = stderr

  @load_paths = []
  @requires = []

  OptionParser.new do |opts|
    opts.banner = "Usage: #{opts.program_name} pp-name [options]"
    opts.on("-I dir") {|path| load_paths << path }
    opts.on("-r lib") {|rq| requires << rq }
  end.permute!(argv)

  @command = argv.shift&.to_sym
end

Instance Attribute Details

#argv ⇒ Object (readonly)

Returns the value of attribute argv.



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# File 'lib/querly/pp/cli.rb', line 6

def argv
  @argv
end

#command ⇒ Object (readonly)

Returns the value of attribute command.



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# File 'lib/querly/pp/cli.rb', line 7

def command
  @command
end

#load_paths ⇒ Object (readonly)

Returns the value of attribute load_paths.



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# File 'lib/querly/pp/cli.rb', line 8

def load_paths
  @load_paths
end

#requires ⇒ Object (readonly)

Returns the value of attribute requires.



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# File 'lib/querly/pp/cli.rb', line 9

def requires
  @requires
end

#stderr ⇒ Object (readonly)

Returns the value of attribute stderr.



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# File 'lib/querly/pp/cli.rb', line 12

def stderr
  @stderr
end

#stdin ⇒ Object (readonly)

Returns the value of attribute stdin.



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# File 'lib/querly/pp/cli.rb', line 11

def stdin
  @stdin
end

#stdout ⇒ Object (readonly)

Returns the value of attribute stdout.



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# File 'lib/querly/pp/cli.rb', line 13

def stdout
  @stdout
end

Instance Method Details

#load_libs ⇒ Object 



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# File 'lib/querly/pp/cli.rb', line 33

def load_libs
  load_paths.each do |path|
    $LOAD_PATH << path
  end

  requires.each do |lib|
    require lib
  end

end

#run ⇒ Object 



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# File 'lib/querly/pp/cli.rb', line 44

def run
  available_commands = [:haml]

  if available_commands.include?(command)
    send :"run_#{command}"
  else
    stderr.puts "Unknown command: #{command}"
    stderr.puts "  available commands: #{available_commands.join(", ")}"
    exit 1
  end
end

#run_haml ⇒ Object 



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# File 'lib/querly/pp/cli.rb', line 56

def run_haml
  require "haml"
  load_libs

  source = stdin.read

  options = Haml::Options.new

  parser = Haml::Parser.new(source, options)
  parser.parse

  compiler = Haml::Compiler.new(options)
  compiler.compile(parser.root)

  stdout.print compiler.precompiled
end