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Add -f (--filter) option (#15)

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This commit adds --filter option so that fzf can be used as a simple unix
filter instead of being an interactive fuzzy finder.
This commit is contained in:
Junegunn Choi 2014-02-02 01:45:44 +09:00
parent 1155da7e1c
commit 301290663d
3 changed files with 62 additions and 31 deletions
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1
README.md
View File

@ -55,6 +55,7 @@ usage: fzf [options]
-m, --multi Enable multi-select
-x, --extended Extended-search mode
-q, --query=STR Initial query
-f, --filter=STR Filter mode. Do not start interactive finder.
-s, --sort=MAX Maximum number of matched items to sort (default: 1000)
+s, --no-sort Do not sort the result. Keep the sequence unchanged.
-i Case-insensitive match (default: smart-case match)

74
fzf
View File

@ -7,7 +7,7 @@
# / __/ / /_/ __/
# /_/ /___/_/ Fuzzy finder for your shell
#
# Version: 0.7.2-devel (February 1, 2014)
# Version: 0.7.2 (February 2, 2014)
#
# Author: Junegunn Choi
# URL: https://github.com/junegunn/fzf
@ -50,7 +50,7 @@ end
class FZF
C = Curses
attr_reader :rxflag, :sort, :color, :mouse, :multi, :query, :extended
attr_reader :rxflag, :sort, :color, :mouse, :multi, :query, :filter, :extended
class AtomicVar
def initialize value
@ -63,10 +63,8 @@ class FZF
end
def set value = nil
if block_given?
@mutex.synchronize { @value = yield @value }
else
@mutex.synchronize { @value = value }
@mutex.synchronize do
@value = block_given? ? yield(@value) : value
end
end
@ -82,6 +80,7 @@ class FZF
@multi = false
@extended = false
@mouse = true
@filter = nil
argv =
if opts = ENV['FZF_DEFAULT_OPTS']
@ -109,6 +108,11 @@ class FZF
@query = AtomicVar.new query.dup
when /^-q(.*)$/, /^--query=(.*)$/
@query = AtomicVar.new($1)
when '-f', '--filter'
usage 1, 'query string required' unless query = argv.shift
@filter = query
when /^-f(.*)$/, /^--filter=(.*)$/
@filter = $1
when '-s', '--sort'
usage 1, 'sort size required' unless sort = argv.shift
usage 1, 'invalid sort size' unless sort =~ /^[0-9]+$/
@ -126,27 +130,44 @@ class FZF
@events = {}
@new = []
@queue = Queue.new
@query ||= AtomicVar.new('')
@cursor_x = AtomicVar.new(@query.length)
@matches = AtomicVar.new([])
@count = AtomicVar.new(0)
@vcursor = AtomicVar.new(0)
@vcursors = AtomicVar.new(Set.new)
@spinner = AtomicVar.new('-\|/-\|/'.split(//))
@selects = AtomicVar.new({}) # ordered >= 1.9
@main = Thread.current
@stdout = $stdout.clone
@plcount = 0
unless @filter
@query ||= AtomicVar.new('')
@cursor_x = AtomicVar.new(@query.length)
@matches = AtomicVar.new([])
@count = AtomicVar.new(0)
@vcursor = AtomicVar.new(0)
@vcursors = AtomicVar.new(Set.new)
@spinner = AtomicVar.new('-\|/-\|/'.split(//))
@selects = AtomicVar.new({}) # ordered >= 1.9
@main = Thread.current
@plcount = 0
end
end
def start
$stdout.reopen($stderr)
if @filter
start_reader(false).join
filter_list @new
else
@stdout = $stdout.clone
$stdout.reopen($stderr)
init_screen
start_reader
start_renderer
start_search
start_loop
start_reader true
init_screen
start_renderer
start_search
start_loop
end
end
def filter_list list
matcher = (@extended ? ExtendedFuzzyMatcher : FuzzyMatcher).new @rxflag
matches = matcher.match(list, @filter, '', '')
if @sort && matches.length <= @sort
matches = sort_by_rank(matches)
end
matches.each { |m| puts m.first }
end
def version
@ -168,6 +189,7 @@ class FZF
-m, --multi Enable multi-select
-x, --extended Extended-search mode
-q, --query=STR Initial query
-f, --filter=STR Filter mode. Do not start interactive finder.
-s, --sort=MAX Maximum number of matched items to sort (default: 1000)
+s, --no-sort Do not sort the result. Keep the sequence unchanged.
-i Case-insensitive match (default: smart-case match)
@ -535,7 +557,7 @@ class FZF
C.refresh
end
def start_reader
def start_reader curses
stream =
if @source.tty?
if default_command = ENV['FZF_DEFAULT_COMMAND']
@ -546,7 +568,7 @@ class FZF
exit 1
end
else
$stdin.reopen IO.open(IO.sysopen('/dev/tty'), 'r')
$stdin.reopen IO.open(IO.sysopen('/dev/tty'), 'r') if curses
@source
end
@ -555,7 +577,7 @@ class FZF
emit(:new) { @new << line.chomp }
end
emit(:loaded) { true }
@spinner.clear
@spinner.clear if curses
end
end

18
test/test_fzf.rb
View File

@ -29,11 +29,13 @@ class TestFZF < MiniTest::Unit::TestCase
fzf = FZF.new []
assert_equal 20000, fzf.sort
ENV['FZF_DEFAULT_OPTS'] = '-x -m -s 10000 -q " hello world " +c --no-mouse'
ENV['FZF_DEFAULT_OPTS'] = '-x -m -s 10000 -q " hello world " +c --no-mouse -f "goodbye world"'
fzf = FZF.new []
assert_equal 10000, fzf.sort
assert_equal ' hello world ',
fzf.query.get
assert_equal 'goodbye world',
fzf.filter
assert_equal true, fzf.extended
assert_equal true, fzf.multi
assert_equal false, fzf.color
@ -42,42 +44,48 @@ class TestFZF < MiniTest::Unit::TestCase
def test_option_parser
# Long opts
fzf = FZF.new %w[--sort=2000 --no-color --multi +i --query hello --extended --no-mouse]
fzf = FZF.new %w[--sort=2000 --no-color --multi +i --query hello
--filter=howdy --extended --no-mouse]
assert_equal 2000, fzf.sort
assert_equal true, fzf.multi
assert_equal false, fzf.color
assert_equal false, fzf.mouse
assert_equal 0, fzf.rxflag
assert_equal 'hello', fzf.query.get
assert_equal 'howdy', fzf.filter
assert_equal true, fzf.extended
fzf = FZF.new %w[--sort=2000 --no-color --multi +i --query hello
--filter a --filter b
--no-sort -i --color --no-multi]
assert_equal nil, fzf.sort
assert_equal false, fzf.multi
assert_equal true, fzf.color
assert_equal true, fzf.mouse
assert_equal 1, fzf.rxflag
assert_equal 'b', fzf.filter
assert_equal 'hello', fzf.query.get
assert_equal false, fzf.extended
# Short opts
fzf = FZF.new %w[-s 2000 +c -m +i -qhello -x]
fzf = FZF.new %w[-s 2000 +c -m +i -qhello -x -fhowdy]
assert_equal 2000, fzf.sort
assert_equal true, fzf.multi
assert_equal false, fzf.color
assert_equal 0, fzf.rxflag
assert_equal 'hello', fzf.query.get
assert_equal 'howdy', fzf.filter
assert_equal true, fzf.extended
# Left-to-right
fzf = FZF.new %w[-s 2000 +c -m +i -qhello -x
-s 3000 -c +m -i -q world +x]
fzf = FZF.new %w[-s 2000 +c -m +i -qhello -x -fgoodbye
-s 3000 -c +m -i -q world +x -fworld]
assert_equal 3000, fzf.sort
assert_equal false, fzf.multi
assert_equal true, fzf.color
assert_equal 1, fzf.rxflag
assert_equal 'world', fzf.query.get
assert_equal 'world', fzf.filter
assert_equal false, fzf.extended
fzf = FZF.new %w[--query hello +s -s 2000 --query=world]