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 <<SCRIPT
:syntax on
#{postset.join("\n")}
:source #{VIM_MARK_SCRIPT}
:write! #{tmp_path}
:qall!

SCRIPT
		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