diff options
Diffstat (limited to 'lib/reline/windows.rb')
| -rw-r--r-- | lib/reline/windows.rb | 45 |
1 files changed, 41 insertions, 4 deletions
diff --git a/lib/reline/windows.rb b/lib/reline/windows.rb index aef3073a7e..c229c8536f 100644 --- a/lib/reline/windows.rb +++ b/lib/reline/windows.rb @@ -1,6 +1,14 @@ require 'fiddle/import' class Reline::Windows + def self.encoding + Encoding::UTF_8 + end + + def self.win? + true + end + RAW_KEYSTROKE_CONFIG = { [224, 72] => :ed_prev_history, # ↑ [224, 80] => :ed_next_history, # ↓ @@ -68,6 +76,8 @@ class Reline::Windows STD_INPUT_HANDLE = -10 STD_OUTPUT_HANDLE = -11 WINDOW_BUFFER_SIZE_EVENT = 0x04 + FILE_TYPE_PIPE = 0x0003 + FILE_NAME_INFO = 2 @@getwch = Win32API.new('msvcrt', '_getwch', [], 'I') @@kbhit = Win32API.new('msvcrt', '_kbhit', [], 'I') @@GetKeyState = Win32API.new('user32', 'GetKeyState', ['L'], 'L') @@ -80,9 +90,36 @@ class Reline::Windows @@hConsoleInputHandle = @@GetStdHandle.call(STD_INPUT_HANDLE) @@GetNumberOfConsoleInputEvents = Win32API.new('kernel32', 'GetNumberOfConsoleInputEvents', ['L', 'P'], 'L') @@ReadConsoleInput = Win32API.new('kernel32', 'ReadConsoleInput', ['L', 'P', 'L', 'P'], 'L') + @@GetFileType = Win32API.new('kernel32', 'GetFileType', ['L'], 'L') + @@GetFileInformationByHandleEx = Win32API.new('kernel32', 'GetFileInformationByHandleEx', ['L', 'I', 'P', 'L'], 'I') + @@input_buf = [] @@output_buf = [] + def self.msys_tty?(io=@@hConsoleInputHandle) + # check if fd is a pipe + if @@GetFileType.call(io) != FILE_TYPE_PIPE + return false + end + + bufsize = 1024 + p_buffer = "\0" * bufsize + res = @@GetFileInformationByHandleEx.call(io, FILE_NAME_INFO, p_buffer, bufsize - 2) + return false if res == 0 + + # get pipe name: p_buffer layout is: + # struct _FILE_NAME_INFO { + # DWORD FileNameLength; + # WCHAR FileName[1]; + # } FILE_NAME_INFO + len = p_buffer[0, 4].unpack("L")[0] + name = p_buffer[4, len].encode(Encoding::UTF_8, Encoding::UTF_16LE, invalid: :replace) + + # Check if this could be a MSYS2 pty pipe ('\msys-XXXX-ptyN-XX') + # or a cygwin pty pipe ('\cygwin-XXXX-ptyN-XX') + name =~ /(msys-|cygwin-).*-pty/ ? true : false + end + def self.getwch unless @@input_buf.empty? return @@input_buf.shift @@ -99,7 +136,7 @@ class Reline::Windows return @@input_buf.shift end begin - bytes = ret.chr(Encoding::UTF_8).encode(Encoding.default_external).bytes + bytes = ret.chr(Encoding::UTF_8).bytes @@input_buf.push(*bytes) rescue Encoding::UndefinedConversionError @@input_buf << ret @@ -205,7 +242,7 @@ class Reline::Windows def self.scroll_down(val) return if val.zero? - scroll_rectangle = [0, val, get_screen_size.first, get_screen_size.last].pack('s4') + scroll_rectangle = [0, val, get_screen_size.last, get_screen_size.first].pack('s4') destination_origin = 0 # y * 65536 + x fill = [' '.ord, 0].pack('SS') @@ScrollConsoleScreenBuffer.call(@@hConsoleHandle, scroll_rectangle, nil, destination_origin, fill) @@ -213,8 +250,8 @@ class Reline::Windows def self.clear_screen # TODO: Use FillConsoleOutputCharacter and FillConsoleOutputAttribute - print "\e[2J" - print "\e[1;1H" + write "\e[2J" + write "\e[1;1H" end def self.set_screen_size(rows, columns) |