implemented #13 (special keys for quick navigation)

1 files changed, 141 insertions, 0 deletions

diff --git a/code/search.rb b/code/search.rb
new file mode 100644
index 00000000..2952f59a
--- /dev/null
+++ b/code/search.rb
@@ -0,0 +1,141 @@
+module Fm
+	def goto(arg)
+		if arg.is_a? Directory::Entry
+			@pwd.pointed_file = arg.path
+
+		elsif arg.is_a? String
+			@pwd.pointed_file = arg
+
+		elsif arg.is_a? Numeric
+			@pwd.pos = arg
+
+		else
+			lograise ArgumentError.new
+		end
+	end
+
+	FIND_PROPERTIES = {
+		's' => :size,
+		'm' => :mtime,
+		'c' => :ctime,
+	}
+	FIND_KEY_REGEXP = /f([#{ FIND_PROPERTIES.keys.join("") }])/
+	
+	def quicksearch(n)
+		log Option.search_method
+		case Option.search_method
+		when *FIND_PROPERTIES.values
+			quicksearch_by_property(n, Option.search_method)
+		when :handler
+			quicksearch_by_handler(n)
+		when :regexp
+			quicksearch_by_regexp(n)
+		else
+			raise "Wrong search method!"
+		end rescue lograise
+	end
+
+	def quicksearch_by_property(n, property)
+		sorted = @pwd.files.sort do |a, b|
+			b.send(property) <=> a.send(property)
+		end
+
+		if @search_reset
+			@search_reset = false
+		else
+			sorted.wrap(sorted.index(currentfile) + n)
+		end
+
+		goto(sorted.first)
+	end
+
+	def quicksearch_by_handler(n)
+		sorted = @pwd.files.sort do |a, b|
+			a.handler.to_s <=> b.handler.to_s
+		end
+
+		goto(sorted.first)
+	end
+
+	def quicksearch_by_regexp(n)
+		begin
+			rx = Regexp.new(@search_string, Regexp::IGNORECASE)
+		rescue
+			return false
+		end
+
+		ary = @pwd.files.dup
+		ary.wrap(@pwd.pos)
+		if n < 0
+			ary.wrap(1)
+			ary.reverse!
+		end
+		ary.wrap(n.abs)
+
+		for file in ary
+			if file.basename =~ rx
+				return goto(file)
+			end
+		end
+	end
+
+	def search_reset!
+		@search_reset = true
+	end
+
+	def search_reset(array)
+		if @search_reset
+			@search_reset = false
+			sorted.wrap(sorted.index(currentfile) + n)
+		end
+	end
+
+	def search(str, offset=0, backwards=false)
+		begin
+			rx = Regexp.new(str, Regexp::IGNORECASE)
+		rescue
+			return false
+		end
+
+		ary = @pwd.files_raw.dup
+		ary.wrap(@pwd.pos + offset)
+
+		ary.reverse! if backwards
+
+		for f in ary
+			g = File.basename(f)
+			if g =~ rx
+				@pwd.pointed_file = f
+				break
+			end
+		end
+	end
+
+	def hints(str)
+		begin
+			rx = Regexp.new(str, Regexp::IGNORECASE)
+		rescue
+			return false
+		end
+
+		ary = @pwd.files_raw.dup
+		ary.wrap(@pwd.pos)
+
+		n = 0
+		pointed = false
+		for f in ary
+			g = File.basename(f)
+			if g =~ rx
+				unless pointed
+					log "point at #{f}"
+					@pwd.pointed_file = f
+					pointed = true
+				end
+				n += 1
+			end
+		end
+
+		return n
+	end
+
+end