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Implement --select-1 and --exit-0 (#27, #36)

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Junegunn Choi
2014-04-02 21:41:57 +09:00
parent ab9fbf1967
commit 22d3929ae3
3 changed files with 183 additions and 77 deletions
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106
fzf
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@@ -51,7 +51,7 @@ end
class FZF
C = Curses
attr_reader :rxflag, :sort, :nth, :color, :black, :ansi256,
:mouse, :multi, :query, :filter, :extended
:mouse, :multi, :query, :select1, :exit0, :filter, :extended
class AtomicVar
def initialize value
@@ -83,6 +83,8 @@ class FZF
@multi = false
@mouse = true
@extended = nil
@select1 = false
@exit0 = false
@filter = nil
@nth = nil
@delim = nil
@@ -113,6 +115,10 @@ class FZF
when '--mouse' then @mouse = true
when '--no-mouse' then @mouse = false
when '+s', '--no-sort' then @sort = nil
when '-1', '--select-1' then @select1 = true
when '+1', '--no-select-1' then @select1 = false
when '-0', '--exit-0' then @exit0 = true
when '+0', '--no-exit-0' then @exit0 = false
when '-q', '--query'
usage 1, 'query string required' unless query = argv.shift
@query = AtomicVar.new query.dup
@@ -184,41 +190,60 @@ class FZF
def start
if @filter
start_reader(false).join
start_reader.join
filter_list @new
else
@stdout = $stdout.clone
$stdout.reopen($stderr)
start_reader
emit(:key) { q = @query.get; [q, q.length] } unless @query.empty?
if !@query.empty? && (@select1 || @exit0)
start_search do |loaded, matches|
len = matches.length
if loaded
if @select1 && len == 1
puts matches.first.first
exit 0
elsif @exit0 && len == 0
exit 1
end
end
start_reader true
init_screen
start_renderer
start_search
start_loop
if loaded || len > 1
start_renderer
Thread.new { start_loop }
end
end
sleep
else
start_search
start_renderer
start_loop
end
end
end
def filter_list list
matches = get_matcher.match(list, @filter, '', '')
matches = matcher.match(list, @filter, '', '')
if @sort && matches.length <= @sort
matches = sort_by_rank(matches)
end
matches.each { |m| puts m.first }
end
def get_matcher
if @extended
ExtendedFuzzyMatcher.new @rxflag, @extended, @nth, @delim
else
FuzzyMatcher.new @rxflag, @nth, @delim
end
def matcher
@matcher ||=
if @extended
ExtendedFuzzyMatcher.new @rxflag, @extended, @nth, @delim
else
FuzzyMatcher.new @rxflag, @nth, @delim
end
end
def version
File.open(__FILE__, 'r') do |f|
f.each_line do |line|
if line =~ /Version: (.*)/
$stdout.puts "fzf " << $1
$stdout.puts 'fzf ' << $1
exit
end
end
@@ -229,23 +254,31 @@ class FZF
$stderr.puts message if message
$stderr.puts %[usage: fzf [options]
Options
-m, --multi Enable multi-select
Search
-x, --extended Extended-search mode
-e, --extended-exact Extended-search mode (exact match)
-q, --query=STR Initial query
-f, --filter=STR Filter mode. Do not start interactive finder.
-i Case-insensitive match (default: smart-case match)
+i Case-sensitive match
-n, --nth=[-]N[,..] Comma-separated list of field indexes for limiting
search scope (positive or negative integers)
-d, --delimiter=STR Field delimiter regex for --nth (default: AWK-style)
Search result
-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)
+i Case-sensitive match
Interface
-m, --multi Enable multi-select with tab/shift-tab
--no-mouse Disable mouse
+c, --no-color Disable colors
+2, --no-256 Disable 256-color
--black Use black background
--no-mouse Disable mouse
Scripting
-q, --query=STR Start the finder with the given query
-1, --select-1 (with --query) Automatically select the only match
-0, --exit-0 (with --query) Exit when there's no match
-f, --filter=STR Filter mode. Do not start interactive finder.
Environment variables
FZF_DEFAULT_COMMAND Default command to use when input is tty
@@ -547,6 +580,9 @@ class FZF
end
def init_screen
@stdout = $stdout.clone
$stdout.reopen($stderr)
C.init_screen
C.mousemask C::ALL_MOUSE_EVENTS if @mouse
C.start_color
@@ -604,7 +640,7 @@ class FZF
C.refresh
end
def start_reader curses
def start_reader
stream =
if @source.tty?
if default_command = ENV['FZF_DEFAULT_COMMAND']
@@ -623,13 +659,12 @@ class FZF
emit(:new) { @new << line.chomp }
end
emit(:loaded) { true }
@spinner.clear if curses
@spinner.clear if @spinner
end
end
def start_search
matcher = get_matcher
searcher = Thread.new {
def start_search &callback
Thread.new do
lists = []
events = {}
fcache = {}
@@ -668,7 +703,7 @@ class FZF
progress = 0
started_at = Time.now
if new_search && !lists.empty?
if updated = new_search && !lists.empty?
q, cx = events.delete(:key) || [q, 0]
empty = matcher.empty?(q)
unless matches = fcache[q]
@@ -699,6 +734,10 @@ class FZF
@matches.set matches
end#new_search
callback = nil if callback &&
(updated || events[:loaded]) &&
callback.call(events[:loaded], matches)
# This small delay reduces the number of partial lists
sleep((delay = [20, delay + 5].min) * 0.01) unless user_input
@@ -707,7 +746,7 @@ class FZF
rescue Exception => e
@main.raise e
end
}
end
end
def pick
@@ -751,6 +790,8 @@ class FZF
end
def start_renderer
init_screen
Thread.new do
begin
while blk = @queue.shift
@@ -1030,7 +1071,6 @@ class FZF
actions[127] = actions[ctrl(:h)]
actions[ctrl(:q)] = actions[ctrl(:g)] = actions[ctrl(:c)] = actions[:esc]
emit(:key) { [@query.get, cursor] } unless @query.empty?
while true
@cursor_x.set cursor
render { print_input }
@@ -1093,7 +1133,7 @@ class FZF
if (token = tokens[n]) && (md = token.match(pat) rescue nil)
prefix_length += (tokens[0...n] || []).join.length
offset = md.offset(0).map { |o| o + prefix_length }
return MatchData.new offset
return MatchData.new(offset)
end
end
nil