Class: Metrocot::AnythingPattern

Inherits:
BasePattern show all
Defined in:
lib/metrocot.rb

Overview

Matches anything.

Instance Attribute Summary

Attributes inherited from BasePattern

#matched, #metrocot, #name, #node_scraper, #pattern_no, #pred, #source, #succ

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from BasePattern

#default_scanner, #dump, #dump_match_map, #initialize, #log, #log_match_data, #optional, #with_scanned_match_data

Constructor Details

This class inherits a constructor from Metrocot::BasePattern

Class Method Details

.parse(s) ⇒ Object 



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# File 'lib/metrocot.rb', line 522

def self.parse( s ) 
	return nil unless s.index("...") == 0
	self.new("...")
end

Instance Method Details

#description ⇒ Object 



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# File 'lib/metrocot.rb', line 518

def description
	"anything"
end

#each_match(match_range, match_map) ⇒ Object

always matches the whole thing because it will get matched last… it just expands to fill whatever gap



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# File 'lib/metrocot.rb', line 531

def each_match( match_range, match_map )

	result = if match_range.start_index > match_range.end_index 
		log( "empty range" )
		nil
	elsif match_range.start_index > match_range.end_index && match_range.start_offset > match_range.end_offset
		log( "empty node" )
		nil
	elsif match_range.start_index == match_range.end_index || (match_range.start_index + 1 == match_range.end_index && match_range.end_offset == 0) && match_range.hnodes[match_range.start_index].text?
		log( "single text node range #{match_range.describe}" )
		raise "bad range #{match_range.describe}" if match_range.hnodes[match_range.start_index].nil?
		with_scanned_match_data( match_map, match_range.hnodes[match_range.start_index].inner_text[match_range.start_offset...match_range.end_offset] ) { |match_map|
			yield( match_range, match_map ) 
		}
	else
		log( "multi node range #{match_range.describe}" )
		with_scanned_match_data( match_map, match_range.hnodes[match_range.start_index ... match_range.end_index] ) { |match_map|
			yield( match_range, match_map ) 
		}
	end
end

#priority ⇒ Object 



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# File 'lib/metrocot.rb', line 554

def priority
	-7
end