Class: Awestruct::Dependencies

Inherits:
Object
  • Object
show all
Defined in:
lib/awestruct/dependencies.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(page) ⇒ Dependencies

Returns a new instance of Dependencies.



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# File 'lib/awestruct/dependencies.rb', line 63

def initialize(page)
  @page = page
  @dependencies = Set.new
  @key_dependencies   = Set.new
  @dependents   = Set.new
  @key_dependents   = Set.new
  @content_hash = nil
  @key_hash = nil
  @has_changed_content = false
  @has_changed_keys = false
end

Instance Attribute Details

#content_hash ⇒ Object

Returns the value of attribute content_hash.



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# File 'lib/awestruct/dependencies.rb', line 9

def content_hash
  @content_hash
end

#dependencies ⇒ Object (readonly)

Returns the value of attribute dependencies.



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# File 'lib/awestruct/dependencies.rb', line 5

def dependencies
  @dependencies
end

#dependents ⇒ Object (readonly)

Returns the value of attribute dependents.



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# File 'lib/awestruct/dependencies.rb', line 7

def dependents
  @dependents
end

#has_changed_content ⇒ Object (readonly)

Returns the value of attribute has_changed_content.



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# File 'lib/awestruct/dependencies.rb', line 11

def has_changed_content
  @has_changed_content
end

#has_changed_keys ⇒ Object (readonly)

Returns the value of attribute has_changed_keys.



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# File 'lib/awestruct/dependencies.rb', line 12

def has_changed_keys
  @has_changed_keys
end

#key_dependencies ⇒ Object (readonly)

Returns the value of attribute key_dependencies.



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# File 'lib/awestruct/dependencies.rb', line 6

def key_dependencies
  @key_dependencies
end

#key_dependents ⇒ Object (readonly)

Returns the value of attribute key_dependents.



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# File 'lib/awestruct/dependencies.rb', line 8

def key_dependents
  @key_dependents
end

#key_hash ⇒ Object

Returns the value of attribute key_hash.



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# File 'lib/awestruct/dependencies.rb', line 10

def key_hash
  @key_hash
end

#page ⇒ Object (readonly)

Returns the value of attribute page.



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# File 'lib/awestruct/dependencies.rb', line 4

def page
  @page
end

Class Method Details

.pop_page ⇒ Object 



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# File 'lib/awestruct/dependencies.rb', line 40

def self.pop_page
  page = @pages.pop
  $LOG.debug "pop #{page.output_path} #{@pages.empty?}" if $LOG.debug?
end

.push_page(page) ⇒ Object 



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# File 'lib/awestruct/dependencies.rb', line 28

def self.push_page(page)
  $LOG.debug "push #{page.output_path}" if $LOG.debug?
  if ( top_page.nil? )
    $LOG.debug "clearing dependencies" if $LOG.debug?
    page.dependencies.clear
  else
    $LOG.debug "adding page as a dependency to top_page" if $LOG.debug?
    top_page.dependencies.add_dependency( page )
  end
  @pages.push( page )
end

.should_track_dependencies ⇒ Object 



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# File 'lib/awestruct/dependencies.rb', line 19

def self.should_track_dependencies
  @track_dependencies
end

.top_page ⇒ Object 



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# File 'lib/awestruct/dependencies.rb', line 23

def self.top_page
  @pages ||= []
  @pages.first
end

.track_dependencies=(bol) ⇒ Object 



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# File 'lib/awestruct/dependencies.rb', line 15

def self.track_dependencies=(bol)
  @track_dependencies = bol
end

.track_dependency(dep) ⇒ Object 



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# File 'lib/awestruct/dependencies.rb', line 46

def self.track_dependency(dep)
  return if top_page.nil?
  return if top_page == dep
  $LOG.debug "dep #{top_page.relative_source_path} - #{dep.relative_source_path}" if $LOG.debug?
  top_page.dependencies.add_dependency(dep)
end

.track_key_dependency(dep, key) ⇒ Object 



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# File 'lib/awestruct/dependencies.rb', line 53

def self.track_key_dependency(dep, key)
  return if !Awestruct::Dependencies.should_track_dependencies
  return if top_page.nil?
  return if top_page == dep
  $LOG.debug "dep key #{top_page.relative_source_path} - #{dep.relative_source_path} -> #{key}" if $LOG.debug?
  $LOG.debug "callers #{Kernel.caller}" if $LOG.debug?
  top_page.dependencies.add_key_dependency(dep)
end

Instance Method Details

#<<(dep) ⇒ Object 



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# File 'lib/awestruct/dependencies.rb', line 103

def <<(dep)
  add_dependency( dep )
end

#add_dependency(dep) ⇒ Object 



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# File 'lib/awestruct/dependencies.rb', line 107

def add_dependency(dep)
  return if dep.nil?
  return if @page.do_not_track_dependencies
  return if @page.output_path.nil?
  return if dep == @page
  $LOG.debug "adding dependency #{dep.source_path} to #{page.source_path}" if $LOG.debug?
  @dependencies << dep
  dep.dependencies.add_dependent( page )
end

#add_dependent(dep) ⇒ Object 



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# File 'lib/awestruct/dependencies.rb', line 126

def add_dependent(dep)
  return if dep.nil?
  @dependents << dep
end

#add_key_dependency(dep) ⇒ Object 



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# File 'lib/awestruct/dependencies.rb', line 117

def add_key_dependency(dep)
  return if dep.nil?
  return if @page.do_not_track_dependencies
  return if @page.output_path.nil?
  return if dep == @page
  @key_dependencies << dep
  dep.dependencies.add_key_dependent( page )
end

#add_key_dependent(dep) ⇒ Object 



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# File 'lib/awestruct/dependencies.rb', line 131

def add_key_dependent(dep)
  return if dep.nil?
  @key_dependents << dep
end

#clear ⇒ Object 



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# File 'lib/awestruct/dependencies.rb', line 141

def clear
  @dependencies.clear
  @dependents.each do |d|
    if (d.instance_of? Awestruct::Dependencies)
      d.remove_dependent( page )
    else
      d.dependencies.remove_dependent( page )
    end
  end
end

#find_page_by_path(path) ⇒ Object 



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# File 'lib/awestruct/dependencies.rb', line 196

def find_page_by_path(path)
  page.site.pages_by_relative_source_path[ path ]
end

#load! ⇒ Object 



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# File 'lib/awestruct/dependencies.rb', line 169

def load!
  return if  page.output_path.nil? || page.output_path == ''
  file = File.join( @page.site.config.dir, '.awestruct', 'dependency-cache', page.output_path )
  $LOG.debug "load #{file}" if $LOG.debug?
  if ( File.exist?( file ) )
    File.open( file, 'r' ) do |file|
      file.each_line do |line|
        type, path = line.split(':')
        path ||= ""
        path.strip!
        if type.eql? 'c' or type.eql? 'k'
          d = find_page_by_path( path )
          unless d.nil?
            add_dependency( d ) if 'c'.eql? type
            add_key_dependency( d ) if 'k'.eql? type
          end
        else
          self.content_hash = path if 'ch'.eql? type
          self.key_hash = path if 'kh'.eql? type
        end
      end
    end
    return true
  end
  false
end

#persist! ⇒ Object 



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# File 'lib/awestruct/dependencies.rb', line 152

def persist!
  return if  page.output_path.nil? || page.output_path == ''
  file = File.join( @page.site.config.dir.to_s, '.awestruct', 'dependency-cache', page.output_path )
  $LOG.debug "store #{file}" if $LOG.debug?
  FileUtils.mkdir_p( File.dirname( file ) )
  File.open( file, 'w' ) do |file|
    file.puts "ch:#{@content_hash}"
    file.puts "kh:#{@key_hash}"
    @dependencies.collect{|e| e.relative_source_path }.uniq.each do |d|
      file.puts "c:#{d}" unless d.nil?
    end
    @key_dependencies.collect{|e| e.relative_source_path }.uniq.each do |d|
      file.puts "k:#{d}" unless d.nil?
    end
  end
end

#remove_dependent(dep) ⇒ Object 



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# File 'lib/awestruct/dependencies.rb', line 136

def remove_dependent(dep)
  return if dep.nil?
  @dependents.delete( dep )
end