Module: UnboundMethod::Source

Extended by:
Source
Included in:
Source
Defined in:
lib/executable/core_ext.rb

Overview

Source lookup.

Instance Method Summary collapse

Instance Method Details

#get_above_comment(file, line) ⇒ Object

Get comment from file searching up from given line number.

Parameters:

  • file (String) —

    filename, should be full path

  • line (Integer) —

    line number in file



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# File 'lib/executable/core_ext.rb', line 40

def get_above_comment(file, line)
  get_above_comment_lines(file, line).join("\n").strip
end

#get_above_comment_lines(file, line) ⇒ Object

Get comment from file searching up from given line number.

Parameters:

  • file (String) —

    filename, should be full path

  • line (Integer) —

    line number in file



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# File 'lib/executable/core_ext.rb', line 49

def get_above_comment_lines(file, line)
  text  = read(file)
  index = line - 1
  while index >= 0 && text[index] !~ /^\s*\#/
    return [] if text[index] =~ /^\s*end/
    index -= 1
  end
  rindex = index
  while text[index] =~ /^\s*\#/
    index -= 1
  end
  result = text[index..rindex]
  result = result.map{ |s| s.strip }
  result = result.reject{ |s| s[0,1] != '#' }
  result = result.map{ |s| s.sub(/^#/,'').strip }
  #result = result.reject{ |s| s == "" }
  result
end

#get_following_comment(file, line) ⇒ Object

Get comment from file searching down from given line number.

Parameters:

  • file (String) —

    filename, should be full path

  • line (Integer) —

    line number in file



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# File 'lib/executable/core_ext.rb', line 73

def get_following_comment(file, line)
  get_following_comment_lines(file, line).join("\n").strip
end

#get_following_comment_lines(file, line) ⇒ Object

Get comment from file searching down from given line number.

Parameters:

  • file (String) —

    filename, should be full path

  • line (Integer) —

    line number in file



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# File 'lib/executable/core_ext.rb', line 82

def get_following_comment_lines(file, line)
  text  = read(file)
  index = line || 0
  while text[index] !~ /^\s*\#/
    return nil if text[index] =~ /^\s*(class|module)/
    index += 1
  end
  rindex = index
  while text[rindex] =~ /^\s*\#/
    rindex += 1
  end
  result = text[index..(rindex-2)]
  result = result.map{ |s| s.strip }
  result = result.reject{ |s| s[0,1] != '#' }
  result = result.map{ |s| s.sub(/^#/,'').strip }
  result.join("\n").strip
end

#read(file) ⇒ Array

Read and cache file.

Parameters:

  • file (String) —

    filename, should be full path

Returns:

  • (Array) —

    file content in array of lines



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# File 'lib/executable/core_ext.rb', line 30

def read(file)
  @read ||= {}
  @read[file] ||= File.readlines(file)
end