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1 # Copyright 2010-2011 Wincent Colaiuta. All rights reserved.
2 #
3 # Redistribution and use in source and binary forms, with or without
4 # modification, are permitted provided that the following conditions are met:
5 #
6 # 1. Redistributions of source code must retain the above copyright notice,
7 # this list of conditions and the following disclaimer.
8 # 2. Redistributions in binary form must reproduce the above copyright notice,
9 # this list of conditions and the following disclaimer in the documentation
10 # and/or other materials provided with the distribution.
11 #
12 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
13 # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
14 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
15 # ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
16 # LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
17 # CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
18 # SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
19 # INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
20 # CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
21 # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
22 # POSSIBILITY OF SUCH DAMAGE.
23
24 require 'command-t/ext' # CommandT::Matcher
25
26 module CommandT
27 # Encapsulates a Scanner instance (which builds up a list of available files
28 # in a directory) and a Matcher instance (which selects from that list based
29 # on a search string).
30 #
31 # Specialized subclasses use different kinds of scanners adapted for
32 # different kinds of search (files, buffers).
33 class Finder
34 def initialize path = Dir.pwd, options = {}
35 raise RuntimeError, 'Subclass responsibility'
36 end
37
38 # Options:
39 # :limit (integer): limit the number of returned matches
40 def sorted_matches_for str, options = {}
41 @matcher.sorted_matches_for str, options
42 end
43
44 def flush
45 @scanner.flush
46 end
47
48 def path= path
49 @scanner.path = path
50 end
51 end # class Finder
52 end # CommandT