Class: Pslm::PsalmPointer

Inherits:
Object
  • Object
show all
Defined in:
lib/pslm/psalmpointer.rb

Overview

Workhorse of the pslm CLI utility.

Instance Method Summary collapse

Constructor Details

#initialize(options) ⇒ PsalmPointer

Returns a new instance of PsalmPointer.



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# File 'lib/pslm/psalmpointer.rb', line 8

def initialize(options)
  @options = options

  # make @options a StructuredSetup - because of deep #dup and recursive #update
  unless @options.is_a? StructuredSetup
    @options = StructuredSetup.new @options
  end

  @reader = PslmReader.new
end

Instance Method Details

#process(psalm_files, output_file = nil, overwr_options = {}) ⇒ Object 



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# File 'lib/pslm/psalmpointer.rb', line 19

def process(psalm_files, output_file=nil, overwr_options={})
  options = @options.dup
  options.update overwr_options

  if output_file != nil then
    outf = File.open output_file, 'w'
  else
    outf = STDOUT
  end

  unless psalm_files.is_a? Array
    psalm_files = [ psalm_files ]
  end

  psalms = psalm_files.collect do |pf|
    inf = open_psalm_file(pf)
    if options[:input][:append] then
      inf = JoinedInput.new inf, StringIO.new(options[:input][:append])
    end
    @reader.load_psalm(inf)
  end

  if options[:input][:join] then
    while p = psalms.slice!(1) do
      psalms[0] += p
    end
  end

  if options[:input][:title] then
    psalms.first.header.title = options[:input][:title] # should it be set for all instead of for the first one only?
  end

  outputter = get_outputter options[:general][:format]
  psalms.each do |ps|
    # yield the psalm before producing output to allow modification
    modified = yield ps if block_given?
    if modified != ps and modified.is_a?(Psalm) then
      ps = modified
    end

    outf.puts outputter.process_psalm ps, options[:output]
  end

  if outf != STDOUT then
    outf.close
  end
end