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John Doty
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37 changed files with 2826 additions and 8 deletions
357
vimfiles/ruby/command-t/controller.rb
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357
vimfiles/ruby/command-t/controller.rb
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# Copyright 2010-2012 Wincent Colaiuta. All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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#
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# 1. Redistributions of source code must retain the above copyright notice,
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# this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright notice,
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# this list of conditions and the following disclaimer in the documentation
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# and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
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# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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require 'command-t/finder/buffer_finder'
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require 'command-t/finder/jump_finder'
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require 'command-t/finder/file_finder'
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require 'command-t/finder/tag_finder'
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require 'command-t/match_window'
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require 'command-t/prompt'
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require 'command-t/vim/path_utilities'
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module CommandT
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class Controller
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include VIM::PathUtilities
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def initialize
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@prompt = Prompt.new
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end
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def show_buffer_finder
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@path = VIM::pwd
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@active_finder = buffer_finder
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show
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end
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def show_jump_finder
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@path = VIM::pwd
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@active_finder = jump_finder
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show
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end
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def show_tag_finder
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@path = VIM::pwd
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@active_finder = tag_finder
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show
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end
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def show_file_finder
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# optional parameter will be desired starting directory, or ""
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@path = File.expand_path(::VIM::evaluate('a:arg'), VIM::pwd)
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@active_finder = file_finder
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file_finder.path = @path
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show
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rescue Errno::ENOENT
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# probably a problem with the optional parameter
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@match_window.print_no_such_file_or_directory
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end
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def hide
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@match_window.close
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if VIM::Window.select @initial_window
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if @initial_buffer.number == 0
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# upstream bug: buffer number misreported as 0
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# see: https://wincent.com/issues/1617
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::VIM::command "silent b #{@initial_buffer.name}"
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else
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::VIM::command "silent b #{@initial_buffer.number}"
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end
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end
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end
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def refresh
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return unless @active_finder && @active_finder.respond_to?(:flush)
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@active_finder.flush
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list_matches
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end
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def flush
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@max_height = nil
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@min_height = nil
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@file_finder = nil
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@tag_finder = nil
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end
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def handle_key
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key = ::VIM::evaluate('a:arg').to_i.chr
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if @focus == @prompt
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@prompt.add! key
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list_matches
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else
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@match_window.find key
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end
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end
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def backspace
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if @focus == @prompt
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@prompt.backspace!
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list_matches
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end
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end
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def delete
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if @focus == @prompt
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@prompt.delete!
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list_matches
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end
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end
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def accept_selection options = {}
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selection = @match_window.selection
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hide
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open_selection(selection, options) unless selection.nil?
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end
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def toggle_focus
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@focus.unfocus # old focus
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@focus = @focus == @prompt ? @match_window : @prompt
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@focus.focus # new focus
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end
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def cancel
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hide
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end
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def select_next
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@match_window.select_next
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end
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def select_prev
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@match_window.select_prev
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end
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def clear
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@prompt.clear!
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list_matches
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end
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def cursor_left
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@prompt.cursor_left if @focus == @prompt
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end
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def cursor_right
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@prompt.cursor_right if @focus == @prompt
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end
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def cursor_end
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@prompt.cursor_end if @focus == @prompt
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end
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def cursor_start
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@prompt.cursor_start if @focus == @prompt
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end
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def leave
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@match_window.leave
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end
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def unload
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@match_window.unload
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end
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private
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def show
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@initial_window = $curwin
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@initial_buffer = $curbuf
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@match_window = MatchWindow.new \
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:prompt => @prompt,
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:match_window_at_top => get_bool('g:CommandTMatchWindowAtTop'),
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:match_window_reverse => get_bool('g:CommandTMatchWindowReverse'),
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:min_height => min_height
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@focus = @prompt
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@prompt.focus
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register_for_key_presses
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clear # clears prompt and lists matches
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end
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def max_height
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@max_height ||= get_number('g:CommandTMaxHeight') || 0
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end
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def min_height
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@min_height ||= begin
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min_height = get_number('g:CommandTMinHeight') || 0
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min_height = max_height if max_height != 0 && min_height > max_height
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min_height
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end
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end
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def get_number name
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VIM::exists?(name) ? ::VIM::evaluate("#{name}").to_i : nil
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end
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def get_bool name
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VIM::exists?(name) ? ::VIM::evaluate("#{name}").to_i != 0 : nil
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end
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def get_string name
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VIM::exists?(name) ? ::VIM::evaluate("#{name}").to_s : nil
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end
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# expect a string or a list of strings
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def get_list_or_string name
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return nil unless VIM::exists?(name)
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list_or_string = ::VIM::evaluate("#{name}")
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if list_or_string.kind_of?(Array)
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list_or_string.map { |item| item.to_s }
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else
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list_or_string.to_s
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end
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end
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# Backslash-escape space, \, |, %, #, "
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def sanitize_path_string str
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# for details on escaping command-line mode arguments see: :h :
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# (that is, help on ":") in the Vim documentation.
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str.gsub(/[ \\|%#"]/, '\\\\\0')
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end
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def default_open_command
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if !get_bool('&hidden') && get_bool('&modified')
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'sp'
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else
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'e'
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end
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end
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def ensure_appropriate_window_selection
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# normally we try to open the selection in the current window, but there
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# is one exception:
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#
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# - we don't touch any "unlisted" buffer with buftype "nofile" (such as
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# NERDTree or MiniBufExplorer); this is to avoid things like the "Not
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# enough room" error which occurs when trying to open in a split in a
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# shallow (potentially 1-line) buffer like MiniBufExplorer is current
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#
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# Other "unlisted" buffers, such as those with buftype "help" are treated
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# normally.
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initial = $curwin
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while true do
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break unless ::VIM::evaluate('&buflisted').to_i == 0 &&
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::VIM::evaluate('&buftype').to_s == 'nofile'
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::VIM::command 'wincmd w' # try next window
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break if $curwin == initial # have already tried all
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end
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end
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def open_selection selection, options = {}
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command = options[:command] || default_open_command
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selection = File.expand_path selection, @path
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selection = relative_path_under_working_directory selection
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selection = sanitize_path_string selection
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ensure_appropriate_window_selection
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@active_finder.open_selection command, selection, options
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end
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def map key, function, param = nil
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::VIM::command "noremap <silent> <buffer> #{key} " \
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":call CommandT#{function}(#{param})<CR>"
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end
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def term
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@term ||= ::VIM::evaluate('&term')
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end
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def register_for_key_presses
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# "normal" keys (interpreted literally)
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numbers = ('0'..'9').to_a.join
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lowercase = ('a'..'z').to_a.join
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uppercase = lowercase.upcase
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punctuation = '<>`@#~!"$%&/()=+*-_.,;:?\\\'{}[] ' # and space
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(numbers + lowercase + uppercase + punctuation).each_byte do |b|
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map "<Char-#{b}>", 'HandleKey', b
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end
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# "special" keys (overridable by settings)
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{
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'AcceptSelection' => '<CR>',
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'AcceptSelectionSplit' => ['<C-CR>', '<C-s>'],
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'AcceptSelectionTab' => '<C-t>',
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'AcceptSelectionVSplit' => '<C-v>',
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'Backspace' => '<BS>',
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'Cancel' => ['<C-c>', '<Esc>'],
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'Clear' => '<C-u>',
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'CursorEnd' => '<C-e>',
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'CursorLeft' => ['<Left>', '<C-h>'],
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'CursorRight' => ['<Right>', '<C-l>'],
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'CursorStart' => '<C-a>',
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'Delete' => '<Del>',
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'Refresh' => '<C-f>',
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'SelectNext' => ['<C-n>', '<C-j>', '<Down>'],
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'SelectPrev' => ['<C-p>', '<C-k>', '<Up>'],
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'ToggleFocus' => '<Tab>',
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}.each do |key, value|
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if override = get_list_or_string("g:CommandT#{key}Map")
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Array(override).each do |mapping|
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map mapping, key
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end
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else
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Array(value).each do |mapping|
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unless mapping == '<Esc>' && term =~ /\A(screen|xterm|vt100)/
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map mapping, key
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end
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end
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end
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end
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end
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# Returns the desired maximum number of matches, based on available
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# vertical space and the g:CommandTMaxHeight option.
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def match_limit
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limit = VIM::Screen.lines - 5
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limit = 1 if limit < 0
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limit = [limit, max_height].min if max_height > 0
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limit
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end
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def list_matches
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matches = @active_finder.sorted_matches_for @prompt.abbrev, :limit => match_limit
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@match_window.matches = matches
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end
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def buffer_finder
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@buffer_finder ||= CommandT::BufferFinder.new
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end
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def file_finder
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@file_finder ||= CommandT::FileFinder.new nil,
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:max_depth => get_number('g:CommandTMaxDepth'),
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:max_files => get_number('g:CommandTMaxFiles'),
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:max_caches => get_number('g:CommandTMaxCachedDirectories'),
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:always_show_dot_files => get_bool('g:CommandTAlwaysShowDotFiles'),
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:never_show_dot_files => get_bool('g:CommandTNeverShowDotFiles'),
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:scan_dot_directories => get_bool('g:CommandTScanDotDirectories')
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end
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def jump_finder
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@jump_finder ||= CommandT::JumpFinder.new
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end
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def tag_finder
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@tag_finder ||= CommandT::TagFinder.new \
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:include_filenames => get_bool('g:CommandTTagIncludeFilenames')
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end
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end # class Controller
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end # module commandT
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