Class: Grep::Lines

Inherits:
Lines show all
Defined in:
lib/glark/output/grep_lines.rb

Overview

This matches legacy grep, mostly. It is for running within emacs, thus, it does not support context or highlighting.

Instance Attribute Summary

Attributes inherited from Formatted

#formatted

Attributes inherited from Results

#count

Instance Method Summary collapse

Methods inherited from Lines

#at_match_limit?, #display_matches?, #displayed_name, #initialize, #print_line_number, #process_end, #process_match, #set_status, #write_matches, #write_matching, #write_nonmatching

Methods inherited from Common

#at_match_limit?, #display_matches?, #displayed_name, #initialize, #process_match

Methods inherited from Formatted

#get_line_to_print, #initialize

Methods inherited from Results

#initialize, #matched?

Constructor Details

This class inherits a constructor from Lines

Instance Method Details

#add_match(startline, endline) ⇒ Object 



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# File 'lib/glark/output/grep_lines.rb', line 35

def add_match startline, endline
  super 
  # even with multi-line matches (--and expressions), we'll display
  # only the first matching line, not the range between the matches.
  set_status startline, startline
end

#print_file_name ⇒ Object 



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# File 'lib/glark/output/grep_lines.rb', line 29

def print_file_name
  if @show_file_name && displayed_name
    @out.print displayed_name, ":"
  end
end

#print_line(lnum, ch = nil) ⇒ Object

prints the line, and adjusts for the fact that in our world, lines are 0-indexed, whereas they are displayed as if 1-indexed.



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# File 'lib/glark/output/grep_lines.rb', line 17

def print_line lnum, ch = nil
  ln = get_line_to_print lnum
  return unless ln

  print_file_name
  if @show_line_numbers
    @out.printf "%d: ", lnum + 1
  end
  
  @out.print ln
end