Class: Assette::File

Inherits:
File
  • Object
show all
Extended by:
Forwardable
Defined in:
lib/assette/file.rb

Direct Known Subclasses

Template

Defined Under Namespace

Classes: UnknownDependency

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.all_code_for(*args) ⇒ Object 



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# File 'lib/assette/file.rb', line 218

def all_code_for *args
  start = Time.now
  f = open(*args)
  code = f.all_code
  code << "\n"
  code << f.comment_str % "Time taken to generate: #{Time.now-start}s"
end

.rack_resp_if_exists(path, opts = {}) ⇒ Object

This code is aweful. gotta fix it shitty



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# File 'lib/assette/file.rb', line 228

def rack_resp_if_exists path, opts = {}
  return unless File.exist?(path)
  start = Time.now
  f = open(path)
  begin    
    if opts[:deparr]
      code = f.path_array
      
      resp = {:dependencies => code, :target_type => f.target_class.mime_type, :target_extension => f.extension}
      
      resp[:generation_time] = Time.now-start
      
      return [200,{"Content-Type" => 'application/json'}, [resp.to_json]]
    end
    
    if opts[:nodep]
      code = [f.code]
      type = f.target_class.mime_type
    elsif opts[:dev]

      code = f.path_array.collect do |path|
        path = "http://#{opts[:env]['HTTP_HOST']}#{path}"
        f.target_class.include(path)
      end

      type = f.target_class.mime_type

    else
      code = f.all_code_array
      type = f.target_class.mime_type
    end
    
    code << "\n"
    code << f.comment_str % "Time taken to generate: #{Time.now-start}s"
    
    [200,{"Content-Type" => type.content_type},code]
  rescue Assette::CompilationError => e
    target = f.target_class
    [200,{"Content-Type" => target.mime_type.content_type},target.error(e.to_s,path)]
  end
end

Instance Method Details

#==(other) ⇒ Object 



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# File 'lib/assette/file.rb', line 112

def == other
  if other.instance_of?(self.class)
    other.path == path
  else
    super
  end
end

#all_code ⇒ Object 



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# File 'lib/assette/file.rb', line 75

def all_code
  if target_class.respond_to? :compile_array
    target_class.compile_array all_code_array
  else
    all_code_array.join("\n")
  end
end

#all_code_array ⇒ Object 



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# File 'lib/assette/file.rb', line 61

def all_code_array
  dep = Assette::CompiledFile.new(self)
  
  if !templates.empty?
    dep << template_set.compile
  end
  
  dependencies.each {|d| dep.add_dependency(d)}
  
  dep.add_dependency(self)
  
  dep
end

#check_config_flag(f) ⇒ Object 



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# File 'lib/assette/file.rb', line 194

def check_config_flag f
  flag = false
  reg = /@#{f}/i
  read_config do |line|
    flag = !!(line =~ reg)
    break if flag
  end
  flag
end

#code ⇒ Object 



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# File 'lib/assette/file.rb', line 43

def code
  reader_class.new(self).compile
rescue => e
  target_class.error(e.to_s,path)
end

#comment_str(str = nil) ⇒ Object 



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# File 'lib/assette/file.rb', line 38

def comment_str(str = nil)
  comm = target_class.comment_str
  str ? (comm % str) : comm
end

#dependencies ⇒ Object 



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# File 'lib/assette/file.rb', line 124

def dependencies
  return @dependencies if @dependencies
  
  @dependencies = []
  
  read_config do |l|
    m = l.match /@require(?:s)?\s+([\w\.\/-]+)/
    next unless m
    
    p = ::File.expand_path(::File.join(dirname,m[1]))
    
    Assette.logger.info("Dependecy Checking") {p}
    
    # Check for _filename if filename doesn't exist
    unless ::File.exist?(p)
      p2 = p.gsub /(.*\/)?(.+)/, '\1_\2'
      Assette.logger.info("Dependecy Checking") {p2}
      if ::File.exist?(p2)
        p = p2
      else
        raise UnknownDependency, "Cannot find dependancy #{p} or #{p2} as required in #{path}"
      end
    end
    
    f = Assette::File.open(p)
    
    @dependencies << f
    f.dependencies.each do |d|
      @dependencies << d unless @dependencies.include?(d)
    end
    
  end
  
  Assette.logger.debug('Dependencies') {"For: #{path}\n#{@dependencies.pretty_inspect}"}
  
  @dependencies
end

#dev_tag ⇒ Object 



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# File 'lib/assette/file.rb', line 100

def dev_tag
  target_class.tag "#{relative_target_path}?nodep"
end

#dirname ⇒ Object 



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# File 'lib/assette/file.rb', line 83

def dirname
  File.dirname(path)
end

#extension ⇒ Object 



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# File 'lib/assette/file.rb', line 8

def extension
  m = filename.match(/\.(\w+)$/)
  m[1] if m
end

#filename ⇒ Object 



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# File 'lib/assette/file.rb', line 104

def filename
  File.basename(path)
end

#mime_type ⇒ Object 



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# File 'lib/assette/file.rb', line 34

def mime_type
  @mime_type ||= MIME::Types.type_for(path).first
end

#minify? ⇒ Boolean 



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# File 'lib/assette/file.rb', line 53

def minify?
  check_config_flag 'minify'
end

#never_minify? ⇒ Boolean 



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# File 'lib/assette/file.rb', line 57

def never_minify?
  check_config_flag(/never[\s_]?minify/i)
end

#path_array ⇒ Object 



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# File 'lib/assette/file.rb', line 204

def path_array
  code = []
  
  code << "/__templates/#{templates.join(':')}" unless templates.empty?
  
  code += dependencies.collect do |d|
    d.relative_target_path
  end
  
  code << relative_target_path
end

#puts(*args) ⇒ Object 



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# File 'lib/assette/file.rb', line 108

def puts *args
  STDOUT.puts *args
end

#read ⇒ Object 



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# File 'lib/assette/file.rb', line 120

def read
  @read ||= super
end

#read_config ⇒ Object 



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# File 'lib/assette/file.rb', line 183

def read_config
  started = nil
  @text = read
  @text.each_line do |l|
    next unless started ||= (l =~ /#{Assette::CONFIG_WRAPPER}/)
    break if l =~ /\/#{Assette::CONFIG_WRAPPER}/
    
    yield(l)
  end
end

#reader_class ⇒ Object 



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# File 'lib/assette/file.rb', line 13

def reader_class
  if klass = Assette::Reader::ALL[extension]
    klass
  else
    raise Assette::Reader::UnknownReader, "Can't find reader class Assette::Reader::#{extension.capitalize}"
  end
end

#relative_target_path ⇒ Object 



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# File 'lib/assette/file.rb', line 91

def relative_target_path
  tp = target_path
  Assette.config.file_paths.each do |fp|
    f = File.expand_path(fp)
    tp.gsub! f, ''
  end
  tp
end

#target_class ⇒ Object

Raises:

  • (Exception) 


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# File 'lib/assette/file.rb', line 21

def target_class
  return @target_class if @target_class
  ex = reader_class.outputs
  
  raise(Exception, "Define @outputs for #{reader_class.class}") unless ex
  
  if @target_class = Assette::Reader::ALL[ex.to_s]
    @target_class
  else
    raise Assette::Reader::UnknownReader, "Can't find reader class Assette::Reader::#{ex.capitalize}"
  end
end

#target_path ⇒ Object 



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# File 'lib/assette/file.rb', line 87

def target_path
  File.expand_path(File.join(dirname,filename.gsub(reader_class.extension,target_class.extension)))
end

#template_set ⇒ Object 



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# File 'lib/assette/file.rb', line 49

def template_set
  Assette::TemplateSet.new(templates)
end

#templates ⇒ Object 



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# File 'lib/assette/file.rb', line 162

def templates
  return @templates if @templates
  
  @templates = []
  
  read_config do |line|
    m = line.match /@template(?:s)?\s+(\w+)/
    next unless m
    
    @templates << m[1]
  end
  
  dependencies.each do |dep|
    dep.templates.each do |template|
      @templates << template unless @templates.include?(template)
    end
  end
  
  @templates
end

#text ⇒ Object 



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# File 'lib/assette/file.rb', line 4

def text
  @text || (dependencies && @text)
end