Class: VER::Executor::ExGrep

Inherits:
VER::Entry
  • Object
show all
Defined in:
lib/ver/executor/grep.rb

Overview

Grepping made easy

Direct Known Subclasses

ExGrepBuffers

Constant Summary

Constants inherited from VER::Entry

VER::Entry::BACKWARD_WORD, VER::Entry::FORWARD_WORD

Instance Method Summary collapse

Methods inherited from VER::Entry

#accept_line, #beginning_of_history, #cursor=, #delete, #delete_next_char, #delete_next_word, #delete_prev_char, #delete_prev_word, #deleting, #end_of_history, #end_of_line, #error, #event, #events, #insert, #insert_selection, #insert_string, #insert_tab, #kill, #kill_end_of_line, #killing, #message, #next_char, #next_history, #next_word, #paste, #prev_char, #prev_word, #previous_history, #sel_end_of_line, #sel_next_char, #sel_next_word, #sel_prev_char, #sel_prev_word, #sel_start_of_line, #start_of_line, #style, #transpose_chars, #value=, #virtual_movement

Instance Method Details

#action(selected) ⇒ Object 



69
70
71
72
73
74
75
 
# File 'lib/ver/executor/grep.rb', line 69

def action(selected)
  item = tree.focus_item
  file, line, _ = item.options(:values)
  return unless file && line
  VER.find_or_create_buffer(file.to_s, line.to_i)
  callback.destroy(false)
end

#after_update ⇒ Object 



18
19
20
21
22
23
24
 
# File 'lib/ver/executor/grep.rb', line 18

def after_update
  total = tree.winfo_width - 50

  tree.column('file',   width: (total * 0.3).to_i, stretch: false, anchor: :w)
  tree.column('line',   width: 50,  stretch: false, anchor: :e)
  tree.column('source', width: (total * 0.7).to_i, stretch: false, anchor: :w)
end

#choices(glob_needle) ⇒ Object 



26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
 
# File 'lib/ver/executor/grep.rb', line 26

def choices(glob_needle)
  choices = []

  return [] if glob_needle =~ /^\s*$/

  glob, needle = glob_needle.split(/\s+/, 2)
  unless needle
    glob, needle = '*', glob
    self.value = "#{glob} #{needle}"
  end

  return [] if needle =~ /^\s*$/

  begin
    regexp = Regexp.new(needle)
  rescue RegexpError, SyntaxError
    regexp = Regexp.new(Regexp.escape(needle))
  end

  grep_with(glob, regexp)
end

#grep_with(glob, regexp, with_root = true) ⇒ Object 



48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
 
# File 'lib/ver/executor/grep.rb', line 48

def grep_with(glob, regexp, with_root = true)
  results = []
  root = with_root ? @root/glob : glob

  root.glob do |path|
    next unless path.file?

    path.open do |io|
      begin
        io.each_line.with_index do |line, index|
          next unless line =~ regexp
          results << [path.to_s, index + 1, line]
        end
      rescue ArgumentError # why isn't that RegexpError or EncodingError
      end
    end
  end

  results
end

#setup ⇒ Object 



5
6
7
8
9
10
11
12
13
14
15
16
 
# File 'lib/ver/executor/grep.rb', line 5

def setup
  @root = caller.project_root || Pathname(Dir.pwd)

  tree.configure(
    show: [:headings],
    columns:        %w[file line source],
    displaycolumns: %w[file line source],
  )
  tree.heading('file', text: 'File')
  tree.heading('line', text: 'Line')
  tree.heading('source', text: 'Source')
end

#sync_value_with_tree_selection ⇒ Object

Ignore sync



78
79
 
# File 'lib/ver/executor/grep.rb', line 78

def sync_value_with_tree_selection
end