Class: RunTeX::Rail

Inherits:
Tool
  • Object
show all
Defined in:
lib/runtex_rail.rb

Overview

The package rail.sty requires a run of rail.exe. If a rail-diagramms changed (or the sequence of different diagrams) the program must run again.

Constant Summary

Constants included from Catch_output

Catch_output::STDERR_ORIG, Catch_output::STDOUT_ORIG

Instance Attribute Summary

Attributes inherited from Tool

#options, #step

Instance Method Summary collapse

Methods inherited from Tool

#build_cmd, #summary

Methods included from Catch_output

#catch_screen_output, #catch_stderr, #catch_stdout

Constructor Details

#initialize(job, options = {}) ⇒ Rail

Returns a new instance of Rail.



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# File 'lib/runtex_rail.rb', line 10

def initialize(job, options = {})
  super(job, options, {})
  @options.keys.each{|key|
    case key
      when :source
      when :target
      else
        @job.log.error( "#{@step} #{self.class}: Unknown option #{key}" ) if @job.log.error?
    end
  }
end

Instance Method Details

#execute(step) ⇒ Object

Call Rail



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# File 'lib/runtex_rail.rb', line 22

def execute( step )
  super(step)

  @job.log.debug( "#{@step} Call Rail.exe to create rail-diagramms." ) if @job.log.debug?
  
  @result = { 
          :error    => [],
          :info => [],
      }
      
  if File.exist?( @options[:source])
    @job.add2zip( @options[:source] )
  else
    @job.log.error( "#{@step} Rail: Source-File is missing" ) if @job.log.error?
    @result[:error] << "Rail: Source-File is missing"
  end
  
  if File.exist?( @options[:target] )
    @job.add2zip( @options[:target] )
    raoold = File.readlines(@options[:target])
  end

  configuration = Job_chain::Configuration['rail']
  #Rail.exe don't like long filenames, but via pipe it works    

  #Problem with pipes: There is a bug with closing the file, delete/zip runs into error.

  #~ cmd = configuration['call'] + " -t < #{@options[:source]} > #{@options[:target]}"

  #-> Rename files for 8-char size, so rail.exe can handle it

  File.rename(@options[:source], 'rail_tmp.rai')
  cmd = build_cmd('rail', :railfile => 'rail_tmp')
  subrc = nil
  stdout, stderr = catch_screen_output{ subrc = system(cmd) }
  @job.log.error( "#{@step} Error Rail: #{cmd}") if !subrc and @job.log.error?

  #rename back

  File.rename('rail_tmp.rai', @options[:source])  #must exist

  if File.exist?('rail_tmp.rao')
    File.rename('rail_tmp.rao', @options[:target]) 
    #~ # Delete first two lines from rao-File (contains Version-Message)

    rao = File.readlines( @options[:target] )
    rao.each{ |raoline|
      raoline.sub!(/^(This is Rail.*)/, '%\1')
      raoline.sub!(/^(\(stdin.*)/, '%\1')
      raoline.sub!(/^\)/, '%\1)')   #last line

    }
    File.open( @options[:target], 'w' ){|rao2|
      rao2 << rao
    }
  else
    @result[:error] << "No rao-File created"
    @job.log.error( "#{@step} Error Rail: No rao-File created") if @job.log.error?
    @job.stop_rerun( :rail, "Rail: No rao-file created")   #block rerun for rail

  end #rao-file created



  stderr.each{ |errline|
    case errline
      when /(.*), line (.*): (.*)/
        #$1: Filename (e.g. 'stdin')

        @result[:error] << "Line #{$2}: #{$3}"
        @job.stop_rerun( :rail, "Rail: #{$3} on line #{$2}")   #block rerun for rail

    end
  }
  
  stdout.each{ |stdout_line|
    case stdout_line
    when /This is Rail, Version (.*)\s/
      @result[:info] << "Rail version #{$1} was called"
    when /(Der Prozess kann nicht auf die Datei zugreifen, .*)/
      @result[:error] << "#{$1}"
    end
  }

  if File.exist?( @options[:target] )
    @job.add2zip( @options[:target] )
    raonew = File.readlines(@options[:target])
    if raoold != raonew
      @job.please_rerun("Rail: rao-file changed")
    end
  else
    @job.log.error( "#{@step} Rail: .rao-File is missing" ) if @job.log.error?
    @result[:error] << "Rail: .rao-File is missing"
  end
  
  @job.helpfiles << @options[:target]
  @job.helpfiles << @options[:source]
  
  return @result
end

#inspect ⇒ Object

Used in logger



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# File 'lib/runtex_rail.rb', line 111

def inspect()
  "Rail"
end