Class: VimColor

Inherits:
Object
  • Object
show all
Defined in:
lib/msgpack/idl/command/vimcolor.rb,
lib/msgpack/idl/command/vimcolor.rb

Overview

VimColor for Ruby

Copyright © 2008-2011 FURUHASHI Sadayuki

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the “Software”), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

Defined Under Namespace

Classes: Format_ansi, Format_array, Format_html, Format_xml

Constant Summary collapse

VIM_COMMAND = 
"vim"
VIM_OPTIONS = 
%w[-R -X -Z -i NONE -u NONE -N]
VIM_PRESET =

+set shiftwidth

["+set nomodeline", '+set expandtab']
VIM_POSTSET = 
[":let b:is_bash=1", ":filetype on"]
VIM_MARK_SCRIPT = 
File.join(File.dirname(__FILE__), 'vimcolor', 'mark.vim')
VIM_UNESCAPE = 
{'&l' => '<', '&g' => '>', '&a' => '&'}

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(command = nil, options = nil, preset = nil, postset = nil) ⇒ VimColor

Returns a new instance of VimColor.



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# File 'lib/msgpack/idl/command/vimcolor.rb', line 33

def initialize(command=nil, options=nil, preset=nil, postset=nil)
  require 'tempfile'
  @command = VIM_COMMAND.dup
  @options = VIM_OPTIONS + (options || [])
  @preset  = VIM_PRESET  + (preset  || [])
  @postset = VIM_POSTSET + (postset || [])
end

Instance Attribute Details

#command ⇒ Object

Returns the value of attribute command.



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# File 'lib/msgpack/idl/command/vimcolor.rb', line 41

def command
  @command
end

#options ⇒ Object

Returns the value of attribute options.



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# File 'lib/msgpack/idl/command/vimcolor.rb', line 41

def options
  @options
end

#postset ⇒ Object

Returns the value of attribute postset.



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# File 'lib/msgpack/idl/command/vimcolor.rb', line 41

def postset
  @postset
end

#preset ⇒ Object

Returns the value of attribute preset.



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# File 'lib/msgpack/idl/command/vimcolor.rb', line 41

def preset
  @preset
end

Class Method Details

._escape_xml!(text) ⇒ Object 



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# File 'lib/msgpack/idl/command/vimcolor.rb', line 180

def self._escape_xml!(text)
  text.gsub!("&", "&amp;")
  text.gsub!("<", "&lt;")
  text.gsub!(">", "&gt;")
  text.gsub!("'", "&#39;")
  text.gsub!('"', "&quot;")
  text
end

Instance Method Details

#run(str, options, formatter_class, *formatter_args) ⇒ Object 



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# File 'lib/msgpack/idl/command/vimcolor.rb', line 123

def run(str, options, formatter_class, *formatter_args)
  tmp_in = Tempfile.new('ruby-vimcolor-input')
  begin
    tmp_in.write(str)
    tmp_in.flush
    run_file(tmp_in.path, options, formatter_class, *formatter_args)
  ensure
    tmp_in.close
  end
end

#run_file(path, options, formatter_class, *formatter_args) ⇒ Object 



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# File 'lib/msgpack/idl/command/vimcolor.rb', line 43

def run_file(path, options, formatter_class, *formatter_args)
  preset = @preset.dup
  postset = @postset.dup

  if formatter_class.class == Symbol
    formatter_class = self.class.const_get("Format_#{formatter_class}")
  end

  if options.is_a? Hash
    if options.include? :filetype
      postset.unshift(":set filetype=#{options[:filetype]}")
    end
    if options.include? :encoding
      preset.unshift("+set encoding=#{options[:encoding]}")
    end
  else
    postset.unshift(":set filetype=#{options}")
  end

  vimout = nil
  tmp_stream = Tempfile.new('ruby-vimcolor')
  begin
    tmp_path = tmp_stream.path
    tmp_stream.puts ":syntax on\n\#{postset.join(\"\\n\")}\n:source \#{VIM_MARK_SCRIPT}\n:write! \#{tmp_path}\n:qall!\n\n"
    tmp_stream.flush
    pid = Process.fork {
      STDIN.reopen "/dev/null"
      STDOUT.reopen "/dev/null", "a"
      STDERR.reopen "/dev/null", "a"
      args = []
      args.concat @options
      args.concat ['-s', tmp_path]
      args.push path
      args.concat preset
      exec(@command, *args)
      exit 127
    }
    Process.waitpid(pid)
    tmp_stream.seek(0)
    vimout = tmp_stream.read
  ensure
    tmp_stream.close
  end

  require 'strscan'
  s = StringScanner.new(vimout)

  formatter = formatter_class.new(*formatter_args)
  while s.scan_until(/(.*?)>(.*?)>(.*?)<\2</m)
    formatter.push('', s[1]) unless s[1].empty?
    type = s[2]
    text = s[3]
    text.gsub!(/&[agl]/) do
      VIM_UNESCAPE[$&]
    end
    formatter.push(type, text)
  end
  formatter.result
end

#run_stream(stream, options, formatter_class, *formatter_args) ⇒ Object 



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# File 'lib/msgpack/idl/command/vimcolor.rb', line 111

def run_stream(stream, options, formatter_class, *formatter_args)
  tmp_in = Tempfile.new('ruby-vimcolor-input')
  begin
    tmp_in.write(stream.read)
    tmp_in.flush
    run_file(tmp_in.path, options, formatter_class, *formatter_args)
  ensure
    tmp_in.close
  end
end