### Home Classes Methods

### In Files

- lib/compass/compiler.rb

### Parent

Object

### Methods

- ::new
- #clean!
- #compile
- #compile_if_required
- #corresponding_css_file
- #css_files
- #determine_cache_location
- #engine
- #error_contents
- #handle_exception
- #needs_update?
- #new_config?
- #out_of_date?
- #relative_stylesheet_name
- #run
- #sass_files
- #should_compile?
- #show_full_exception?
- #stylesheet_name
- #target_directories
- #timed

### Included Modules

- Compass::Actions

### Class/Module Index

Quicksearch

- Compass
- Compass::Actions
- Compass::AppIntegration
- Compass::AppIntegration::Helpers
- Compass::AppIntegration::Rails
- Compass::AppIntegration::StandAlone
- Compass::AppIntegration::StandAlone::ConfigurationDefaults
- Compass::AppIntegration::StandAlone::Installer
- Compass::BrowserSupport
- Compass::Commands
- Compass::Commands::Base
- Compass::Commands::CleanProject
- Compass::Commands::CleanProjectOptionsParser
- Compass::Commands::CompileProjectOptionsParser
- Compass::Commands::ConfigurationOptionsParser
- Compass::Commands::CreateProject
- Compass::Commands::CreateProjectOptionsParser
- Compass::Commands::Default
- Compass::Commands::DefaultOptionsParser
- Compass::Commands::ExtensionCommand
- Compass::Commands::ExtensionOptionsParser
- Compass::Commands::ExtensionsOptionParser
- Compass::Commands::GenerateGridBackground
- Compass::Commands::GridBackgroundOptionsParser
- Compass::Commands::Help
- Compass::Commands::HelpOptionsParser
- Compass::Commands::Imports
- Compass::Commands::InstallerCommand
- Compass::Commands::Interactive
- Compass::Commands::InteractiveOptionsParser
- Compass::Commands::ListFrameworks
- Compass::Commands::MemoryDebugger
- Compass::Commands::PrintVersion
- Compass::Commands::ProjectBase
- Compass::Commands::ProjectStats
- Compass::Commands::Registry
- Compass::Commands::Sprite
- Compass::Commands::SpriteOptionsParser
- Compass::Commands::StampPattern
- Compass::Commands::StampPatternOptionsParser
- Compass::Commands::StatsOptionsParser
- Compass::Commands::StructureOptionsParser
- Compass::Commands::UnpackExtension
- Compass::Commands::UpdateProject
- Compass::Commands::ValidateProject
- Compass::Commands::ValidationOptionsParser
- Compass::Commands::VersionOptionsParser
- Compass::Commands::WatchProject
- Compass::Commands::WatchProjectOptionsParser
- Compass::Commands::WriteConfiguration
- Compass::Compiler
- Compass::Configuration
- Compass::Configuration::Adapters
- Compass::Configuration::Comments
- Compass::Configuration::Data
- Compass::Configuration::Defaults
- Compass::Configuration::FileData
- Compass::Configuration::Helpers
- Compass::Configuration::Inheritance
- Compass::Configuration::Inheritance::ClassMethods
- Compass::Configuration::Inheritance::ClassMethods::ArrayProxy
- Compass::Configuration::Inheritance::InstanceMethods
- Compass::Configuration::Paths
- Compass::Configuration::Serialization
- Compass::Error
- Compass::Exec
- Compass::Exec::CommandOptionParser
- Compass::Exec::GlobalOptionsParser
- Compass::Exec::Helpers
- Compass::Exec::ProjectOptionsParser
- Compass::Exec::SubCommandUI
- Compass::Exec::SwitchUI
- Compass::FilesystemConflict
- Compass::Frameworks
- Compass::Frameworks::Framework
- Compass::GridBuilder
- Compass::Installers
- Compass::Installers::BareInstaller
- Compass::Installers::Base
- Compass::Installers::Manifest
- Compass::Installers::Manifest::Entry
- Compass::Installers::ManifestInstaller
- Compass::Installers::TemplateContext
- Compass::Logger
- Compass::MissingDependency
- Compass::NullLogger
- Compass::PNG
- Compass::SassExtensions
- Compass::SassExtensions::Functions
- Compass::SassExtensions::Functions::Colors
- Compass::SassExtensions::Functions::Constants
- Compass::SassExtensions::Functions::CrossBrowserSupport
- Compass::SassExtensions::Functions::CrossBrowserSupport::CSS2FallbackValue
- Compass::SassExtensions::Functions::Display
- Compass::SassExtensions::Functions::Enumerate
- Compass::SassExtensions::Functions::Env
- Compass::SassExtensions::Functions::FontFiles
- Compass::SassExtensions::Functions::GradientSupport
- Compass::SassExtensions::Functions::GradientSupport::Assertions
- Compass::SassExtensions::Functions::GradientSupport::ColorStop
- Compass::SassExtensions::Functions::GradientSupport::Functions
- Compass::SassExtensions::Functions::GradientSupport::Gradient
- Compass::SassExtensions::Functions::GradientSupport::Gradient::ClassMethods
- Compass::SassExtensions::Functions::GradientSupport::LinearGradient
- Compass::SassExtensions::Functions::GradientSupport::RadialGradient
- Compass::SassExtensions::Functions::ImageSize
- Compass::SassExtensions::Functions::ImageSize::ImageProperties
- Compass::SassExtensions::Functions::ImageSize::JPEG
- Compass::SassExtensions::Functions::InlineImage
- Compass::SassExtensions::Functions::Lists
- Compass::SassExtensions::Functions::Math
- Compass::SassExtensions::Functions::Selectors
- Compass::SassExtensions::Functions::Sprites
- Compass::SassExtensions::Functions::Sprites::VariableReader
- Compass::SassExtensions::Functions::Urls
- Compass::SassExtensions::Functions::Urls::FontUrl
- Compass::SassExtensions::Functions::Urls::GeneratedImageUrl
- Compass::SassExtensions::Functions::Urls::ImageUrl
- Compass::SassExtensions::Functions::Urls::StylesheetUrl
- Compass::SassExtensions::Sprites
- Compass::SassExtensions::Sprites::ChunkyPngEngine
- Compass::SassExtensions::Sprites::Engine
- Compass::SassExtensions::Sprites::Image
- Compass::SassExtensions::Sprites::ImageMethods
- Compass::SassExtensions::Sprites::ImageRow
- Compass::SassExtensions::Sprites::LayoutMethods
- Compass::SassExtensions::Sprites::RowFitter
- Compass::SassExtensions::Sprites::SpriteMap
- Compass::SassExtensions::Sprites::SpriteMethods
- Compass::SpriteException
- Compass::SpriteImporter
- Compass::Sprites
- Compass::Sprites::Binding
- Compass::Stats
- Compass::Stats::CssFile
- Compass::Stats::SassFile
- Compass::Stats::StatsVisitor
- Compass::TestCase
- Compass::Util
- Compass::Version
- Sass
- Sass::Script
- Sass::Script::CrossBrowserFunctionCall
- Sass::Script::Funcall
- Sass::Script::Functions
- Sass::Script::Functions::EvaluationContext
- Sass::Script::HasSimpleCrossBrowserFunctionSupport
- Sass::Script::List
- Sass::Tree
- Sass::Tree::Node
- QuickCache

No matching classes.

# Compass::Compiler

### Attributes

from[RW]
importer[RW]
options[RW]
sass_options[RW]
staleness_checker[RW]
to[RW]
working_path[RW]

### Public Class Methods

new(working_path, from, to, options) click to toggle source

    # File lib/compass/compiler.rb, line 8
    def initialize(working_path, from, to, options)
      self.working_path = working_path.to_s
      self.from, self.to = File.expand_path(from), to
      self.logger = options.delete(:logger)
      sass_opts = options.delete(:sass) || {}
      self.options = options
      self.sass_options = options.dup
      self.sass_options.delete(:quiet)
      self.sass_options.update(sass_opts)
      self.sass_options[:cache_location] ||= determine_cache_location
      self.sass_options[:importer] = self.importer = Sass::Importers::Filesystem.new(from)
      self.sass_options[:compass] ||= {}
      self.sass_options[:compass][:logger] = self.logger
      self.sass_options[:compass][:environment] = Compass.configuration.environment
      self.staleness_checker = Sass::Plugin::StalenessChecker.new(sass_options)
    end

### Public Instance Methods

clean!() click to toggle source

    # File lib/compass/compiler.rb, line 81
    def clean!
      remove options[:cache_location]
      css_files.each do |css_file|
        remove css_file
      end
    end

compile(sass_filename, css_filename) click to toggle source

Compile one Sass file

    # File lib/compass/compiler.rb, line 136
    def compile(sass_filename, css_filename)
      start_time = end_time = nil
      css_content = logger.red do
        timed do
          engine(sass_filename, css_filename).render
        end
      end
      duration = options[:time] ? "(#{(css_content.__duration * 1000).round / 1000.0}s)" : ""
      write_file(css_filename, css_content, options.merge(:force => true, :extra => duration))
      Compass.configuration.run_stylesheet_saved(css_filename)
    end

compile_if_required(sass_filename, css_filename) click to toggle source

    # File lib/compass/compiler.rb, line 116
    def compile_if_required(sass_filename, css_filename)
      if should_compile?(sass_filename, css_filename)
        compile sass_filename, css_filename
      else
        logger.record :unchanged, basename(sass_filename) unless options[:quiet]
      end
    end

corresponding_css_file(sass_file) click to toggle source

    # File lib/compass/compiler.rb, line 50
    def corresponding_css_file(sass_file)
      "#{to}/#{stylesheet_name(sass_file)}.css"
    end

css_files() click to toggle source

    # File lib/compass/compiler.rb, line 46
    def css_files
      @css_files ||= sass_files.map{|sass_file| corresponding_css_file(sass_file)}
    end

determine_cache_location() click to toggle source

    # File lib/compass/compiler.rb, line 25
    def determine_cache_location
      Compass.configuration.cache_path || Sass::Plugin.options[:cache_location] || File.join(working_path, ".sass-cache")
    end

engine(sass_filename, css_filename) click to toggle source

A sass engine for compiling a single file.

    # File lib/compass/compiler.rb, line 153
    def engine(sass_filename, css_filename)
      syntax = (sass_filename =~ /\.(s[ac]ss)$/) && $1.to_sym || :sass
      opts = sass_options.merge(:filename => sass_filename, :css_filename => css_filename, :syntax => syntax)
      Sass::Engine.new(open(sass_filename).read, opts)
    end

error_contents(e, sass_filename) click to toggle source

Haml refactored this logic in 2.3, this is backwards compatibility for either one

    # File lib/compass/compiler.rb, line 173
    def error_contents(e, sass_filename)
      if Sass::SyntaxError.respond_to?(:exception_to_css)
        e.sass_template = sass_filename
        Sass::SyntaxError.exception_to_css(e, :full_exception => show_full_exception?)
      else
        Sass::Plugin.options[:full_exception] ||= show_full_exception?
        Sass::Plugin.send(:exception_string, e)
      end
    end

handle_exception(sass_filename, css_filename, e) click to toggle source

Place the syntax error into the target css file, formatted to display in the browser (in development mode) if there’s an error.

    # File lib/compass/compiler.rb, line 162
    def handle_exception(sass_filename, css_filename, e)
      exception_file = basename(e.sass_filename)
      file = basename(sass_filename)
      exception_file = nil if exception_file == file
      formatted_error = "(Line #{e.sass_line}#{ " of #{exception_file}" if exception_file}: #{e.message})"
      logger.record :error, file, formatted_error
      Compass.configuration.run_stylesheet_error(sass_filename, formatted_error)
      write_file css_filename, error_contents(e, sass_filename), options.merge(:force => true)
    end

needs_update?(css_filename, sass_filename) click to toggle source

    # File lib/compass/compiler.rb, line 66
    def needs_update?(css_filename, sass_filename)
      staleness_checker.stylesheet_needs_update?(css_filename, File.expand_path(sass_filename), importer)
    end

new_config?() click to toggle source

Determines if the configuration file is newer than any css file

    # File lib/compass/compiler.rb, line 71
    def new_config?
      config_file = Compass.detect_configuration_file
      return false unless config_file
      config_mtime = File.mtime(config_file)
      css_files.each do |css_filename|
        return config_file if File.exists?(css_filename) && config_mtime > File.mtime(css_filename)
      end
      nil
    end

out_of_date?() click to toggle source

Returns the sass file that needs to be compiled, if any.

    # File lib/compass/compiler.rb, line 59
    def out_of_date?
      sass_files.zip(css_files).each do |sass_filename, css_filename|
        return sass_filename if needs_update?(css_filename, sass_filename)
      end
      false
    end

relative_stylesheet_name(sass_file) click to toggle source

    # File lib/compass/compiler.rb, line 34
    def relative_stylesheet_name(sass_file)
      sass_file[(from.length + 1)..-1]
    end

run() click to toggle source

    # File lib/compass/compiler.rb, line 88
    def run
      failure_count = 0
      if new_config?
        # Wipe out the cache and force compilation if the configuration has changed.
        remove options[:cache_location] if options[:cache_location]
        options[:force] = true
      end

      # Make sure the target directories exist
      target_directories.each {|dir| directory dir}

      # Compile each sass file.
      result = timed do
        sass_files.zip(css_files).each do |sass_filename, css_filename|
          begin
            compile_if_required sass_filename, css_filename
          rescue Sass::SyntaxError => e
            failure_count += 1
            handle_exception(sass_filename, css_filename, e)
          end
        end
      end
      if options[:time]
        puts "Compilation took #{(result.__duration * 1000).round / 1000.0}s"
      end
      return failure_count
    end

sass_files(options = {}) click to toggle source

    # File lib/compass/compiler.rb, line 29
    def sass_files(options = {})
      exclude_partials = options.fetch(:exclude_partials, true)
      @sass_files = self.options[:sass_files] || Dir.glob(separate("#{from}/**/#{'[^_]' if exclude_partials}*.s[ac]ss"))
    end

should_compile?(sass_filename, css_filename) click to toggle source

    # File lib/compass/compiler.rb, line 148
    def should_compile?(sass_filename, css_filename)
      options[:force] || needs_update?(css_filename, sass_filename)
    end

show_full_exception?() click to toggle source

We don’t want to show the full exception in production environments.

    # File lib/compass/compiler.rb, line 184
    def show_full_exception?
      Compass.configuration.environment == :development
    end

stylesheet_name(sass_file) click to toggle source

    # File lib/compass/compiler.rb, line 38
    def stylesheet_name(sass_file)
      if sass_file.index(from) == 0
        sass_file[(from.length + 1)..-6].sub(/\.css$/,'')
      else
        raise Compass::Error, "You must compile individual stylesheets from the project directory."
      end
    end

target_directories() click to toggle source

    # File lib/compass/compiler.rb, line 54
    def target_directories
      css_files.map{|css_file| File.dirname(css_file)}.uniq.sort.sort_by{|d| d.length }
    end

timed() click to toggle source

    # File lib/compass/compiler.rb, line 124
    def timed
      start_time = Time.now
      res = yield
      end_time = Time.now
      res.instance_variable_set("@__duration", end_time - start_time)
      def res.__duration
        @__duration
      end
      res
    end

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