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# coding: utf-8
# Copyright 2019 DragonRuby LLC
# MIT License
# autocomplete.rb has been released under MIT (*only this file*).
module GTK
class Runtime
module Autocomplete
def autocomplete_parse opts
if opts[:file] && !opts[:text]
opts[:text] = read_file opts[:file]
end
text = opts[:text]
index = opts[:index]
sum = 0
lines = text.each_line.to_a.map do |l|
sum += l.length
{ line: l, length: l.length, sum: sum }
end
cursor_line = lines.find { |l| l[:sum] >= index }
previous_line = lines.find { |l| l[:sum] < index }
previous_line ||= { sum: 0 }
if cursor_line
sub_index = index - previous_line[:sum]
word = (cursor_line[:line][0..sub_index - 1]).strip
token = (word.split " ")[-1]
dots = (token.split ".").flat_map { |s| s.split "[" }.flat_map { |s| s.split "]" }.flat_map { |s| s.split "(" }.flat_map { |s| s.split ")" }
dot = dots[-1]
end
{
text: opts[:text],
file: opts[:file],
index: opts[:index],
cursor_line: cursor_line,
previous_line: previous_line,
word: word,
token: token,
dots: dots,
dot: dot
}
end
def autocomplete_filter_methods keys, *ignores
ignores ||= []
ignores = [ignores].flatten
keys = keys.map { |k| k.to_s }
keys = keys.reject { |k| k.include? '"' }
.reject { |k| k.start_with? "'" }
.reject { |k| k.include? "," }
.reject { |k| k.start_with? "#" }
others = ["def", "end"] +
[ :entity_keys_by_ref,
:entity_name,
:as_hash,
:clear!,
:created_at_elapsed,
:entity_id,
"entity_id=",
"tick_count=",
:global_created_at_elapsed,
:load_entity_data!,
:meta,
:meta!,
:new?,
:old?,
:__original_eq_eq__, :set!,
:update_entity_keys_by_ref,
:with_meta] +
ignores + keys.find_all { |k| k.to_s.to_i.to_s == k.to_s }
final = (keys - (others.map { |m| m.to_s })).uniq
final
end
def suggest_autocompletion opts
parse_result = autocomplete_parse opts
return [] unless parse_result[:cursor_line]
text = parse_result[:text]
word = parse_result[:word]
token = parse_result[:token]
dots = parse_result[:dots]
dot = parse_result[:dot]
return [] if word.strip.start_with? "#"
if word[-1] == "." && token
lookup = {
'args' => lambda { $gtk.args.autocomplete_methods },
'inputs' => lambda { $gtk.args.inputs.autocomplete_methods },
'geometry' => lambda { $gtk.args.geometry.autocomplete_methods },
'outputs' => lambda { $gtk.args.outputs.autocomplete_methods },
'layout' => lambda { $gtk.args.layouts.autocomplete_methods },
'keyboard' => lambda { $gtk.args.keyboard.autocomplete_methods },
'key_down' => lambda { $gtk.args.keyboard.key_down.autocomplete_methods },
'key_up' => lambda { $gtk.args.keyboard.key_up.autocomplete_methods },
'state' => lambda { $gtk.args.state.autocomplete_methods },
'fn' => lambda { $gtk.args.fn.autocomplete_methods },
'$gtk' => lambda { $gtk.autocomplete_methods },
'gtk' => lambda { $gtk.autocomplete_methods },
'mouse' => lambda { $gtk.args.inputs.mouse.autocomplete_methods },
'click' => lambda { [:x, :y, :point] }
}
lookup_result = lookup[dot]
return autocomplete_filter_methods lookup_result.call if lookup_result
if dot[0].upcase == dot[0] && (Object.const_defined? dot.to_sym)
return (Object.const_get dot.to_sym).autocomplete_methods
end
start_collecting = false
dots_after_state = dots.find_all do |s|
if s == "state"
start_collecting = true
false
else
start_collecting
end
end
target = $gtk.args.state
dots_after_state.each do |k|
target = target.as_hash[k.to_sym] if target.respond_to? :as_hash
end
if target.respond_to? :as_hash
return autocomplete_filter_methods target.as_hash.keys
else
return autocomplete_filter_methods target.autocomplete_methods
end
end
text = text.each_line.reject { |l| l.strip.start_with? "#" }.join "\n"
text = text.each_line.map { |l| l.split("#").first }.join "\n"
text.gsub!("[", " ")
text.gsub!("]", " ")
text.gsub!("(", " ")
text.gsub!(")", " ")
text.gsub!(":", "")
text.gsub!(".", " ")
text.gsub!("=", " ")
return (autocomplete_filter_methods (text.split " "),
:gtk, :false, :true, :args, :suppress_mailbox, :end)
end
end # end Autocomplete
end # end Runtime
end # end GTK
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