Class: Rant::FileTask

Inherits:
Task show all
Defined in:
lib/rant/import/nodes/default.rb

Overview

class UserTask

Direct Known Subclasses

AutoSubFileTask

Instance Attribute Summary

Attributes inherited from Task

#receiver

Instance Method Summary collapse

Methods inherited from Task

#<<, #each_dep, #enhance, #fail?, #has_actions?, #invoked?, #prerequisites, #source

Methods included from Node

#inspect

Constructor Details

#initialize(*args) ⇒ FileTask

Returns a new instance of FileTask.


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# File 'lib/rant/import/nodes/default.rb', line 303

def initialize(*args)
    super
    @ts = T0
end

Instance Method Details

#each_target {|name| ... } ⇒ Object

Yields:

  • (name)

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# File 'lib/rant/import/nodes/default.rb', line 362

def each_target
    goto_task_home
    yield name
end

#file_target?Boolean

Returns:

  • (Boolean)

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# File 'lib/rant/import/nodes/default.rb', line 308

def file_target?
    true
end

#handle_node(dep, opt) ⇒ Object


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# File 'lib/rant/import/nodes/default.rb', line 334

def handle_node(dep, opt)
    #STDERR.puts "treating #{dep.full_name} as file dependency"
    return true if dep.file_target? && dep.invoke(opt)
	    if File.exist? dep.name
        File.mtime(dep.name) > @ts
    elsif !dep.file_target?
		@rac.err_msg @rac.pos_text(rantfile.path, line_number),
		    "in prerequisites: no such file: `#{dep.full_name}'"
		self.fail
	    end
end

#handle_non_node(dep, opt) ⇒ Object


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# File 'lib/rant/import/nodes/default.rb', line 352

def handle_non_node(dep, opt)
           goto_task_home # !!??
    unless File.exist? dep
	@rac.err_msg @rac.pos_text(rantfile.path, line_number),
	    "in prerequisites: no such file or task: `#{dep}'"
	self.fail
    end
    [dep, File.mtime(dep) > @ts]
end

#handle_timestamped(dep, opt) ⇒ Object


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# File 'lib/rant/import/nodes/default.rb', line 346

def handle_timestamped(dep, opt)
    return true if dep.invoke opt
    #puts "***`#{dep.name}' requires update" if dep.timestamp > @ts
    dep.timestamp(opt) > @ts
end

#invoke(opt = INVOKE_OPT) ⇒ Object


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# File 'lib/rant/import/nodes/default.rb', line 312

def invoke(opt = INVOKE_OPT)
    return circular_dep if @run
    @run = true
    begin
	return if done?
	goto_task_home
	if File.exist? @name
	    @ts = File.mtime @name
	    internal_invoke opt, false
	else
	    @ts = T0
	    internal_invoke opt, true
	end
    ensure
	@run = false
    end
end

#timestamp(opt = INVOKE_OPT) ⇒ Object


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# File 'lib/rant/import/nodes/default.rb', line 330

def timestamp(opt = INVOKE_OPT)
    File.exist?(@name) ? File.mtime(@name) : T0
end