Class: Yui

Inherits:
Object
  • Object
show all
Includes:
Open3
Defined in:
lib/ruby-yui/yui.rb

Defined Under Namespace

Classes: NoInputFileException

Constant Summary collapse

MAJOR = 
0
MINOR = 
0
RELEASE = 
6
YUI_ROOT = 
File.join(File.dirname(__FILE__),'..','..')
FILE_TYPES = 
[:js, :css]

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(inpath, options = {}) ⇒ Yui

Grabs a glob of files

Examples:

Yui.new("./javascripts")
[/javascripts/main.js, /javascripts/folder/other.js]

Parameters:

  • inpath (String) —

    file path, directory or glob

  • options (Hash) (defaults to: {})

See Also:

  • defaults


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# File 'lib/ruby-yui/yui.rb', line 34

def initialize(inpath, options = {})    
  @inpath   = inpath
  @options  = Yui.defaults.merge(options)
  @options[:suffix] = "" if @options[:suffix].nil?
  
  @files = if File.file?(@inpath) #Processing a single file
    extension = File.extname(@inpath).delete!('.').to_sym
    # set the type automatically
    @options[:type] = extension if FILE_TYPES.member?(extension)
    
    [@inpath]
  elsif File.directory?(@inpath)
    Dir[File.join(@inpath,"**","*.#{@options[:type]}")]
  else # assume its a glob
    Dir[@inpath]
  end
      
  if @options[:suffix].empty? && outpath == @inpath && @options[:stomp] == false
    raise Exception, "Your originals will be destroyed without a suffix or an outpath, run again with :stomp => true to allow this."
  end
  
  #Try not to compress ruby-yui files.
  @files.delete_if {|file| file =~ /#{@options[:suffix]}/} unless @options[:suffix].empty?
  
  self.clobber if @options[:clobber]
end

Instance Attribute Details

#files ⇒ Object (readonly)

Returns the value of attribute files.



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# File 'lib/ruby-yui/yui.rb', line 60

def files
  @files
end

#inpath ⇒ Object (readonly)

Returns the value of attribute inpath.



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# File 'lib/ruby-yui/yui.rb', line 61

def inpath
  @inpath
end

#options ⇒ Object (readonly)

Returns the value of attribute options.



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# File 'lib/ruby-yui/yui.rb', line 62

def options
  @options
end

Class Method Details

.clobber(path, suffix, type) ⇒ Object

Clobber *.SUFFIX.(js|css)



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# File 'lib/ruby-yui/yui.rb', line 158

def Yui.clobber(path,suffix,type)
  glob_path = if File.file?(path)
    path
  elsif suffix.empty?
    File.join(path,"**.#{type}")
  else
    File.join(path,"**","*#{suffix}.#{type}")
  end
  
  Dir[glob_path].each do |file|
    puts "Clobbering #{file}..."
    FileUtils.rm file
  end
end

.compress(inpath, options = {}) ⇒ Boolean

Compresses inpath with options

Returns:

  • (Boolean) —

    Was 100% of files compressed

See Also:



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# File 'lib/ruby-yui/yui.rb', line 205

def Yui.compress(inpath,options={})
  Yui.new(inpath,options).minify
end

.compress_string(str, type, outpath = nil) ⇒ Array[Boolean,String]

@notes, this is done with the tempfile class

Parameters:

  • str (String) —

    javascript/css to compress

  • type (Symbol) —

    :js | :css

  • outpath (String) (defaults to: nil) —

    path to (optionally) out put to

Returns:

  • (Array[Boolean,String]) —

    Success, compressed data



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# File 'lib/ruby-yui/yui.rb', line 182

def Yui.compress_string(str,type,outpath =  nil)
  temp_file = Tempfile.new("rubyui-#{rand(5000)}")
  temp_file.puts str
  temp_file.flush
  
  cmd = Yui.gen_cmd temp_file.path, Yui.defaults.merge({:type => type})
  stdin, stdout, stderr = Open3::popen3(cmd.join(' '))

  comp_ok = (stderr.read.empty?)
  stdout = stdout.read
  
  if comp_ok && outpath
    File.open(outpath,'w+'){ |fs| fs.puts stdout }
  end
  
  [comp_ok, stdout]
end

.version ⇒ Object 



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# File 'lib/ruby-yui/yui.rb', line 18

def Yui.version
  [MAJOR,MINOR,RELEASE].join('.')
end

Instance Method Details

#bundle ⇒ String|nil

Bundles a set of files to 

#{@options[:out_path]}/bundle.#{@options[:suffix]}.#{@options[:type]}

Returns:

  • (String|nil) —

    Returns path to bundle if successful, otherwise nil

Raises:



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# File 'lib/ruby-yui/yui.rb', line 78

def bundle
  raise(NoInputFileException, "Nothing to do, check input path.")if @files.empty?
  
  bundle_data = ""
  successful_compressions = 0
  @files.each do |file|
    cmd = Yui.gen_cmd(file,@options)
    stdin, stdout, stderr = popen3(cmd.join(' '))
    bundle_tmp = stdout.read
    
    if stderr.read.empty?
      puts "Bundling: #{file}"
      bundle_data += "\n#{bundle_tmp}"
      successful_compressions += 1
    else
      puts "Failed to bundle: #{file}"
    end
  end
  
  if successful_compressions == @files.length
    if @options[:suffix].empty?
      bundle_file_name = "bundle.#{@options[:type]}"
    else
      bundle_file_name = "bundle#{@options[:suffix]}.#{@options[:type]}"
    end
    bundle_path = File.join(outpath,bundle_file_name)
    File.open(bundle_path,'w'){|f| f.write(bundle_data)}
    return bundle_path
  else
    return nil
  end
end

#clobber ⇒ Object

Clobbers files with the right suffix/type in the outpath

outpath defaults to inpath



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# File 'lib/ruby-yui/yui.rb', line 68

def clobber
  Yui.clobber(outpath,@options[:suffix],@options[:type])
end

#minify ⇒ Object Also known as: compress

Raises:



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# File 'lib/ruby-yui/yui.rb', line 111

def minify
  raise(NoInputFileException, "Nothing to do, check input path.") if @files.empty?
  
  successful_compressions = 0
  
  @files.each do |file|
    #put the suffix on before the externsion if provided
    if @options[:suffix].empty?
      out_file = file.clone
    else
      out_file = file.split('.')
      out_file.pop #pop off extension
      out_file = out_file.join('.') << @options[:suffix] << ".#{@options[:type]}"
    end
    
    #Substitute the outpath
    out_file.sub!(@inpath,outpath)
    
    cmd = Yui.gen_cmd(file,@options) << "-o #{out_file}"
    
    FileUtils.mkdir_p File.dirname(out_file)

    puts "Compressing:\n\t #{file} =>\n\t #{out_file}"
    stdin, stdout, stderr = popen3(cmd.join(' '))

    stdout = stdout.read
    stderr = stderr.read

    if stdout.empty? && stderr.empty?
      successful_compressions += 1 
    else
      puts "Failed to compress: #{file}"
      if @options[:rename_on_fail] && !@options[:suffix].empty?
        puts "Copying:\n\t #{file} =>\n\t #{out_file}"
        FileUtils.cp file, out_file
      end

      puts "OUT: #{stdout}"
      puts "ERR: #{stderr}"
    end
  end
  
  return (successful_compressions == @files.length)
end

#outpath ⇒ Object 



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# File 'lib/ruby-yui/yui.rb', line 64

def outpath;@options[:out_path] || @inpath;end