973 lines
34 KiB
Python
Executable File
973 lines
34 KiB
Python
Executable File
#!/usr/bin/env python
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import curses, curses.ascii, getpass, os, re, string, sets, sys, termios, time
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import traceback
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from subprocess import Popen, PIPE, STDOUT
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import buffer, bufferlist, color, completer, keyinput, method, minibuffer, mode
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import util, window
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from point import Point
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def run(buffers, jump_to_line=None, init_mode=None):
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# save terminal state so we can restore it when the program exits
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attr = termios.tcgetattr(sys.stdin)
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keyinput.disable_control_chars()
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retval = 1
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try:
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retval = curses.wrapper(run_app, buffers, jump_to_line, init_mode)
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except:
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traceback.print_exc()
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# restore terminal state
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termios.tcsetattr(sys.stdin, termios.TCSANOW, attr)
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return retval
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def run_app(stdscr, buffers, jump_to_line=None, init_mode=None):
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curses.def_shell_mode()
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a = Application(stdscr, buffers, jump_to_line, init_mode)
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a.run()
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KILL_RING_LIMIT = 128
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WORD_LETTERS = list(string.letters + string.digits)
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ERROR_TIMEOUT = -1
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#ERROR_TIMEOUT = 2
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#DARK_BACKGROUND = False
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DARK_BACKGROUND = True
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class Application(object):
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def __init__(self, stdscr, buffers=[], jump_to_line=None, init_mode=None):
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# initalize curses primitives
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self.stdscr = stdscr
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(self.y, self.x) = self.stdscr.getmaxyx()
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# initialize some basic stuff
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# each highlighted_range contains three things: (window, start_p, end_p)
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self.config = {}
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self.highlighted_ranges = []
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self.mini_active = False
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self.mini_buffer = None
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self.mini_prompt = ""
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self.error_string = ""
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self.error_timestamp = None
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self.input = keyinput.Handler()
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# let's prepopulate some default token colors
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self.token_colors = {
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'comment': ('red', 'default'),
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'comment.start': ('red', 'default'),
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'comment.null': ('red', 'default'),
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'comment.end': ('red', 'default'),
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'continuation': ('red', 'default'),
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'string.start': ('green', 'default'),
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'string.null': ('green', 'default'),
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'string.hex': ('magenta', 'default'),
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'string.octal': ('magenta', 'default'),
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'string.escaped': ('magenta', 'default'),
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'string.end': ('green', 'default'),
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'char': ('default', 'default'),
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'integer': ('default', 'default'),
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'float': ('default', 'default'),
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'label': ('magenta', 'default'),
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'keyword': ('cyan', 'default'),
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'function': ('blue', 'default'),
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'builtin': ('magenta', 'default'),
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'method': ('cyan', 'default'),
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'bareword': ('default', 'default'),
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'delimiter': ('default', 'default'),
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}
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self.default_color = ('default', 'default',)
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# initialize our colors
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if curses.has_colors():
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curses.start_color()
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try:
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curses.use_default_colors()
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color.default_color = True
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except:
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# guess we weren't on 2.4
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color.default_color = False
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color.init()
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# this is how we can change color settings
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if curses.can_change_color():
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#curses.init_color(curses.COLOR_BLUE, 750, 400, 0)
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pass
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else:
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self.set_error("Dynamic color not available")
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# initialize our modes
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# the first dict stores our modes by (lowercase) name, and the other
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# dicts all store various ways to "auto-detecting" the correct mode,
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# in the precedence with which they are used.
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self.modes = {}
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self.mode_paths = {}
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self.mode_basenames = {}
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self.mode_extensions = {}
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self.mode_detection = {}
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# ok, now let's load all the "standard" modes
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mode.install(self)
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names = ('about', 'blame', 'c', 'console', 'consolemini', 'css', 'diff',
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'dir', 'elisp', 'hex', 'html', 'java', 'javascript', 'lisp',
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'make', 'mini', 'mutt', 'nasm', 'ocaml', 'perl', 'python',
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'replace', 'rst', 'scheme', 'search', 'sh', 'sql', 'tt',
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'text', 'text2', 'which', 'xml', 'cheetah', 'colortext',
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'latex', 'insertmini', 'conf')
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for name in names:
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exec("import mode.%s; mode.%s.install(self)" % (name, name))
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# initialize our methods
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self.methods = {}
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names = ('method', 'method.svn', 'method.cvs', 'method.search',
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'method.buffers', 'method.move', 'method.shell',
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'method.introspect', 'method.help')
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for name in names:
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exec("import %s" % name)
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mod = eval(name)
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for mname in dir(mod):
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cls = eval("%s.%s" % (name, mname))
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if hasattr(cls, '_is_method') and cls._is_method:
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self.methods[cls._name()] = cls()
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# create all the insert methods for the character ranges we like
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for c in string.letters + string.digits + string.punctuation:
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obj = method.InsertString(c)
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self.methods[obj.name] = obj
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obj = method.OverwriteChar(c)
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self.methods[obj.name] = obj
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# window/slot height/width
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height = self.y - 2
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#width = self.x - 1
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width = self.x
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# run user custom code here
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self.rcerror = None
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self.loadrc()
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# initialize our buffers
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# note that the first buffer in buffers will be initially visible
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buffers.append(buffer.AboutBuffer())
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buffers.append(buffer.ScratchBuffer())
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buffers.append(buffer.ConsoleBuffer())
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if self.rcerror:
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buffers.insert(0, buffer.DataBuffer('*RcError*', self.rcerror))
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self.bufferlist = bufferlist.BufferList(height, width)
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self.active_slot = 0
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# build windows for our buffers
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for b in buffers:
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if b.name() == '*Console*':
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window.Window(b, self)
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else:
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window.Window(b, self, mode_name=init_mode)
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self.bufferlist.add_buffer(b)
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self.bufferlist.set_slot(0, buffers[0])
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# see if the user has requested that we go to a particular line
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if jump_to_line:
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w = self.bufferlist.slots[0].window
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self.methods['goto-line'].execute(w, lineno=jump_to_line)
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# initialize our kill ring and last action
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self.kill_ring = []
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self.kill_commands = ['kill', 'kill-region']
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self.last_action = None
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self.last_search = None
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self.last_replace_before = None
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self.last_replace_after = None
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self.registers = {}
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# initialize tab handlers
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method.DATATYPES['path'] = completer.FileCompleter()
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method.DATATYPES['buffer'] = completer.BufferCompleter(self)
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method.DATATYPES['command'] = completer.CommandCompleter()
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method.DATATYPES['shell'] = completer.ShellCompleter()
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method.DATATYPES['config'] = completer.ConfigCompleter()
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method.DATATYPES['method'] = completer.MethodCompleter()
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method.DATATYPES['register'] = completer.RegisterCompleter()
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method.DATATYPES['mode'] = completer.ModeCompleter()
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method.DATATYPES['perlfunction'] = completer.PerlFunctionCompleter()
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method.DATATYPES['pythonfunction'] = completer.PythonFunctionCompleter()
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# set up curses
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self.win = curses.newwin(self.y, self.x, 0, 0)
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self.win.leaveok(0)
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curses.meta(1)
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curses.cbreak()
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#curses.halfdelay(5)
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curses.noecho()
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curses.nonl()
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curses.def_prog_mode()
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# this sets up a mode, as well as optionally adding information on when to
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# auto-load the mode
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def setmode(self, name, cls, paths=[], basenames=[], extensions=[], detection=[]):
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self.modes[name] = cls
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for p in paths:
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self.mode_paths[p] = name
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for b in basenames:
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self.mode_basenames[b] = name
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for e in extensions:
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self.mode_extensions[e] = name
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for d in detection:
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self.mode_detection[d] = name
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def globals(self):
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return globals()
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def locals(self):
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return locals()
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def add_slot(self):
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# XYZ
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b = self.bufferlist.slots[self.active_slot].window.buffer
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n = self.bufferlist.add_slot()
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self.bufferlist.set_slot(n, b)
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def remove_slot(self, n):
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assert len(self.bufferlist.slots) > 1, "oh no you didn't!"
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assert n >= 0 and n < len(self.bufferlist.slots), \
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"invalid slot: %r (%r)" % (n, len(self.bufferlist.slots))
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self.bufferlist.remove_slot(n)
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if self.active_slot > n:
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self.active_slot = max(0, self.active_slot - 1) #XYZ
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def single_slot(self):
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while len(self.bufferlist.slots) > 1:
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if self.active_slot == 0:
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self.remove_slot(1)
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else:
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self.remove_slot(0)
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def get_window_height_width(self, i):
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assert i >= 0 and i < len(self.bufferlist.slots), \
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"invalid slot: %r" % slotname
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slot = self.bufferlist.slots[i]
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return (slot.height, slot.width)
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# files and stuff
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def open_path(self, path, binary=False, cipher=None, password=None):
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path = os.path.abspath(os.path.realpath(util.expand_tilde(path)))
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b = self.get_buffer_by_path(path)
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if b is None:
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name = os.path.basename(path)
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if self.has_buffer_name(name):
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i = 1
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auxname = '%s/%d' % (name, i)
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while self.has_buffer_name(auxname):
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i += 1
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auxname = '%s/%d' % (name, i)
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name = auxname
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mode_name = None
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if cipher is None:
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if not os.path.exists(path) or os.path.isfile(path):
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if binary:
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b = buffer.Binary32Buffer(path, name=name)
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else:
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b = buffer.FileBuffer(path, name=name)
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elif os.path.isdir(path):
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b = buffer.DirBuffer(path, name=name)
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mode_name = 'dir'
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else:
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raise Exception, "not a file or dir: %r" % path
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elif cipher == 'aes':
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if not password:
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raise Exception, "password is required"
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if not os.path.exists(path) or os.path.isfile(path):
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b = buffer.AesBuffer(path, password, name=name)
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else:
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raise Exception, "not a file or dir: %r" % path
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try:
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b.open()
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except buffer.BinaryDataException:
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if binary:
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raise
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else:
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binary = True
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b = buffer.Binary32Buffer(path, name=name)
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b.open()
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if mode_name is None:
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mode_name = 'hex'
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window.Window(b, self, height=0, width=0, mode_name=mode_name)
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self.add_buffer(b)
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return b
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# mini buffer handling
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def get_mini_buffer(self):
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return self.mini_buffer
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def mini_buffer_is_open(self):
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return self.mini_buffer is not None
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def open_mini_buffer(self, prompt, callback, method=None, tabber=None, modename=None):
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if self.mini_buffer_is_open():
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self.close_mini_buffer()
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self.mini_prompt = prompt
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self.mini_buffer = minibuffer.MiniBuffer(callback, method, tabber, modename)
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try:
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window.Window(self.mini_buffer, self, height=1,
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width=self.x-1-len(self.mini_prompt)-1)
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self.mini_active = True
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except minibuffer.MiniBufferError:
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self.mini_buffer = None
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self.mini_prompt = ''
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def exec_mini_buffer(self):
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self.mini_buffer.callback(self.mini_buffer.make_string())
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self.close_mini_buffer()
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def close_mini_buffer(self):
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self.mini_active = False
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if self.mini_buffer_is_open():
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self.mini_buffer.close()
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self.mini_buffer = None
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self.mini_prompt = ""
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assert not self.mini_active
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def get_mini_buffer_prompt(self):
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return self.mini_prompt
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def set_mini_buffer_prompt(self, p):
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self.mini_prompt = p
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# window handling
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def toggle_window(self):
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assert 0 <= self.active_slot and self.active_slot < len(self.bufferlist.slots)
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self.active_slot = (self.active_slot + 1) % len(self.bufferlist.slots) #XYZ
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def window(self):
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return self.bufferlist.slots[self.active_slot].window
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def active_window(self):
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if self.mini_active:
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return self.mini_buffer.windows[0]
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else:
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assert 0 <= self.active_slot and self.active_slot < len(self.bufferlist.slots), \
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"0 <= %d < %d" % (self.active_slot, len(self.bufferlist.slots))
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i = self.active_slot
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return self.bufferlist.slots[i].window
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# buffer handling
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def file_buffer(self, path, data, switch_to=True):
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assert not self.has_buffer_name(path), 'oh no! %r is already open' % path
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assert not os.path.exists(path), 'oh no! %r already exists in fs' % path
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f = open(path, 'w')
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f.write(data)
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f.close()
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b = buffer.FileBuffer(path)
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try:
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b.open()
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except buffer.BinaryDataException:
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b = buffer.Binary32Buffer(path)
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b.open()
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b.modename = 'hex'
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window.Window(b, self, height=0, width=0)
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self.add_buffer(b)
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if switch_to:
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self.switch_buffer(b)
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def data_buffer(self, name, data, switch_to=True, modename=None):
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if self.has_buffer_name(name):
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b = self.bufferlist.buffer_names[name]
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self.remove_buffer(b)
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b = buffer.DataBuffer(name, data)
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if modename is not None:
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b.modename = modename
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window.Window(b, self, height=0, width=0)
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self.add_buffer(b)
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if switch_to:
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self.switch_buffer(b)
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def color_data_buffer(self, name, data, switch_to=True, modename='colortext'):
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if self.has_buffer_name(name):
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b = self.bufferlist.buffer_names[name]
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self.remove_buffer(b)
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b = buffer.ColorDataBuffer(name, data)
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if modename is not None:
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b.modename = modename
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window.Window(b, self, height=0, width=0)
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self.add_buffer(b)
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if switch_to:
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self.switch_buffer(b)
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def get_buffer_by_path(self, path):
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return self.bufferlist.get_buffer_by_path(path)
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def has_buffer_name(self, name):
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return self.bufferlist.has_buffer_name(name)
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def get_buffer_by_name(self, name):
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return self.bufferlist.get_buffer_by_name(name)
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def has_buffer(self, b):
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return self.bufferlist.has_buffer(b)
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def add_buffer(self, b):
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self.bufferlist.add_buffer(b)
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def remove_buffer(self, b):
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assert b.name() is not "*Scratch*", "can't kill the scratch"
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assert self.bufferlist.has_buffer(b), "can't kill what's not there"
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assert len(self.bufferlist.buffers) > 1, "can't kill with no other buffers"
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self.bufferlist.remove_buffer(b)
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b.close()
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if self.bufferlist.empty_slot(self.active_slot):
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b2 = self.bufferlist.hidden_buffers[0]
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self.bufferlist.set_slot(self.active_slot, b2)
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def switch_buffer(self, b):
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assert self.has_buffer_name(b.name()), "buffer %s does not exist" % (b.name())
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assert 0 <= self.active_slot and self.active_slot < len(self.bufferlist.slots)
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#self.add_window_to_buffer(b, self.active_slot)
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self.bufferlist.set_slot(self.active_slot, b)
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def add_window_to_buffer(self, b, slotname):
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# XYZ
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if not b.has_window(slotname):
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slot = self.bufferlist.slots[slotname]
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window.Window(b, self, height=slot.height, width=slot.width)
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# error string handling
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def set_error(self, s):
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self.error_string = s
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self.error_timestamp = time.time()
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def clear_error(self):
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self.error_string = ""
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self.error_timestamp = None
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def resize_event(self):
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(self.y, self.x) = self.stdscr.getmaxyx()
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self.resize_slots()
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def resize_slots(self):
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n = len(self.bufferlist.slots)
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assert n > 0
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x = self.x - 1
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y_sum = self.y - 1 - n
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self.bufferlist.resize(y_sum, x)
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# exit
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def exit(self):
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self.done = True
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# kill stack manipulation
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def push_kill(self, s):
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if s is not None:
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if self.last_action in self.kill_commands and \
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len(self.kill_ring):
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self.kill_ring[-1] = self.kill_ring[-1] + s
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else:
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self.kill_ring.append(s)
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if KILL_RING_LIMIT and len(self.kill_ring) > KILL_RING_LIMIT:
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self.kill_ring.pop(0)
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def pop_kill(self):
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return self.kill_ring.pop(-1)
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def has_kill(self, i=-1):
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return len(self.kill_ring) >= abs(i)
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def get_kill(self, i=-1):
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return self.kill_ring[i]
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# undo/redo
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def undo(self):
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try:
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self.window().undo()
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except Exception, e:
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self.set_error("%s" % (e))
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def redo(self):
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try:
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self.window().redo()
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except Exception, e:
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self.set_error("%s" % (e))
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|
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# action creating methods
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def make_insert_action(self, c):
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return lambda: self.window().insert_string(c)
|
|
def make_window_action(self, methodname):
|
|
f = getattr(self.window(), methodname)
|
|
f()
|
|
|
|
# we are evil
|
|
def eval(self, s):
|
|
return eval(s)
|
|
|
|
# load user configuration NOW
|
|
def loadrc(self):
|
|
path = os.path.join(os.getenv('HOME'), '.pmc', 'conf')
|
|
if os.path.exists(path):
|
|
try:
|
|
f = open(path, 'r')
|
|
#execfile(path)
|
|
exec(f)
|
|
f.close()
|
|
except Exception, e:
|
|
s = traceback.format_exc()
|
|
self.rcerror = 'There was an error during startup:\n\n%s' % s
|
|
|
|
# the mighty run-loop!
|
|
def run(self):
|
|
self.done = False
|
|
self.draw()
|
|
while not self.done:
|
|
i = self.win.getch()
|
|
if i == curses.KEY_RESIZE:
|
|
while i == curses.KEY_RESIZE:
|
|
i = self.win.getch()
|
|
self.resize_event()
|
|
err = ''
|
|
try:
|
|
self.input.parse(i)
|
|
except Exception, e:
|
|
err = str(e)
|
|
while len(self.input.tokens):
|
|
t = self.input.tokens.pop(0)
|
|
self.active_window().mode.handle_token(t)
|
|
self.draw(err)
|
|
|
|
# clear the error line; it might look confusing to the user
|
|
try:
|
|
self.win.addstr(self.y-1, 0, ' ' * self.x)
|
|
except:
|
|
pass
|
|
self.win.refresh()
|
|
return
|
|
|
|
# highlighting
|
|
# each highlighted_range contains three things: [window, start_p, end_p]
|
|
def add_highlighted_range(self, w, p1, p2, fg='default', bg='default'):
|
|
self.highlighted_ranges.append([w, p1, p2, fg, bg])
|
|
def clear_highlighted_ranges(self):
|
|
self.highlighted_ranges = []
|
|
|
|
def run_external(self, *args):
|
|
curses.reset_shell_mode()
|
|
try:
|
|
pipe = Popen(args)
|
|
pipe.wait()
|
|
except OSError, e:
|
|
self.set_error("%s: %s" % (args[0], e))
|
|
curses.reset_prog_mode()
|
|
self.win.redrawwin()
|
|
self.draw()
|
|
|
|
# full screen drawer
|
|
def draw(self, err=""):
|
|
try:
|
|
self.draw_slots()
|
|
self.draw_input_bar()
|
|
self.draw_cursor()
|
|
self.win.refresh()
|
|
except Exception, e:
|
|
raise
|
|
# ok, so there was a problem...
|
|
# let's see if the screen changed sizes and if so, resize our slots
|
|
self.resize_event()
|
|
if err:
|
|
self.set_error(err)
|
|
if self.error_timestamp is not None and ERROR_TIMEOUT > 0 and \
|
|
time.time() - self.error_timestamp > ERROR_TIMEOUT:
|
|
self.clear_error()
|
|
(y, x) = self.stdscr.getmaxyx()
|
|
if y != self.y or x != self.x:
|
|
self.resize_event()
|
|
|
|
def draw_cursor(self):
|
|
if self.mini_active:
|
|
b = self.mini_buffer
|
|
w = b.windows[0]
|
|
p = w.logical_cursor()
|
|
if p.y >= len(b.lines):
|
|
return
|
|
(vy, vx) = (self.y - 1, min(p.x + len(self.mini_prompt), self.x - 2))
|
|
else:
|
|
slot = self.bufferlist.slots[self.active_slot]
|
|
w = slot.window
|
|
swidth = slot.width - w.mode.lmargin - w.mode.rmargin
|
|
if w.active_point is not None and w.point_is_visible(w.active_point):
|
|
p = w.active_point
|
|
else:
|
|
p = w.logical_cursor()
|
|
|
|
count = 0
|
|
(x, y) = w.first.xy()
|
|
(vy, vx) = (None, None)
|
|
while count < slot.height:
|
|
if p.y == y and p.x >= x and p.x < x + swidth:
|
|
(vy, vx) = (slot.y_offset + count, p.x - x + w.mode.lmargin)
|
|
break
|
|
|
|
if y >= len(w.buffer.lines) or x + swidth >= len(w.buffer.lines[y]):
|
|
x = 0
|
|
y += 1
|
|
else:
|
|
x += swidth
|
|
count += 1
|
|
if vy is None or vx is None:
|
|
return
|
|
try:
|
|
self.win.move(vy, vx)
|
|
except:
|
|
raise Exception, "(%d,%d==%r) was illegal (%d,%d)" % \
|
|
(vx, vy, p, self.x, self.y)
|
|
|
|
# sub-drawing methods
|
|
def draw_slots(self):
|
|
self.win.erase()
|
|
for i in range(0, len(self.bufferlist.slots)):
|
|
slot = self.bufferlist.slots[i]
|
|
self.draw_slot(i)
|
|
self.draw_status_bar(i)
|
|
|
|
def highlight_char(self, sy, sx, fg='default', bg='default'):
|
|
junk = self.win.inch(sy, sx)
|
|
char = chr(junk & 255)
|
|
attr = color.build(fg, bg)
|
|
try:
|
|
self.win.addstr(sy, sx, char, attr)
|
|
except Exception, e:
|
|
raise Exception, "(%d, %d, %r, %r) v. (%d, %d)" % \
|
|
(sy, sx, fg, bg, self.y, self.x)
|
|
|
|
def highlight_chars(self, sy, sx1, sx2, fg='default', bg='default'):
|
|
assert sx2 < self.x, "%d < %d" % (sx2, self.x)
|
|
for x in range(sx1, sx2):
|
|
self.highlight_char(sy, x, fg, bg)
|
|
|
|
def draw_slot(self, i):
|
|
assert self.active_slot < len(self.bufferlist.slots), "only two"
|
|
assert i < len(self.bufferlist.slots), "only three"
|
|
slot = self.bufferlist.slots[i]
|
|
if slot.window is None:
|
|
return
|
|
w = slot.window
|
|
modename = w.mode.name()
|
|
|
|
if modename in w.buffer.highlights:
|
|
self._draw_slot_lit(i)
|
|
else:
|
|
self._draw_slot_raw(i)
|
|
|
|
# highlighted regions
|
|
for (high_w, p1, p2, fg, bg) in self.highlighted_ranges:
|
|
if w is high_w and p2 >= w.first and p1 <= w.last:
|
|
count = 0
|
|
(x, y) = w.first.xy()
|
|
px = p1.x
|
|
while count < slot.height:
|
|
if p1.y == y and px >= x and px - x < slot.width:
|
|
if slot.width > p2.x - x:
|
|
self.highlight_chars(slot.y_offset + count, px-x + w.mode.lmargin, p2.x-x, fg, bg)
|
|
break
|
|
else:
|
|
self.highlight_chars(slot.y_offset + count, px-x + w.mode.lmargin, slot.width - 1, fg, bg)
|
|
px += slot.width - px + x - 1
|
|
if x + slot.width > len(w.buffer.lines[y]):
|
|
x = 0
|
|
y += 1
|
|
else:
|
|
x += slot.width
|
|
count += 1
|
|
|
|
if w.margins_visible:
|
|
for (limit, shade) in w.margins:
|
|
if limit < self.x:
|
|
for j in range(0, slot.height):
|
|
char = chr(self.win.inch(j + slot.y_offset, limit) & 255)
|
|
attr = color.build('default', shade, 'bold')
|
|
self.win.addstr(j + slot.y_offset, limit + w.mode.lmargin, char, attr)
|
|
|
|
def _draw_line_margins(self, slot, count, w, y, x):
|
|
lm, rm = w.mode.lmargin, w.mode.rmargin
|
|
if y >= len(w.buffer.lines):
|
|
ended = True
|
|
cont = False
|
|
else:
|
|
ended = False
|
|
cont = x + slot.width - lm - rm < len(w.buffer.lines[y])
|
|
|
|
i = slot.y_offset + count
|
|
if lm:
|
|
groups = w.mode.get_lmargin(y, x, ended, cont)
|
|
for (x, lmargin, lattr) in groups:
|
|
self.win.addstr(i, x, lmargin, lattr)
|
|
if rm:
|
|
groups = w.mode.get_rmargin(y, x, ended, cont)
|
|
for (x, rmargin, rattr) in groups:
|
|
self.win.addstr(i, slot.width - rm + x, rmargin, rattr)
|
|
|
|
def _draw_slot_raw(self, i):
|
|
slot = self.bufferlist.slots[i]
|
|
w = slot.window
|
|
modename = w.mode.name()
|
|
redattr = color.build_attr(color.pairs('red', 'default'))
|
|
|
|
(x, y) = w.first.xy()
|
|
lines = w.buffer.lines
|
|
count = 0
|
|
lm, rm = w.mode.lmargin, w.mode.rmargin
|
|
swidth = slot.width - lm - rm
|
|
while count < slot.height:
|
|
#draw some margins
|
|
self._draw_line_margins(slot, count, w, y, x)
|
|
|
|
# if the window has no more lines, display the "empty" symbol
|
|
if y >= len(lines):
|
|
self.win.addstr(slot.y_offset + count, 0 + lm, '~', redattr)
|
|
count += 1
|
|
continue
|
|
|
|
# get the line to draw and draw it
|
|
line = lines[y]
|
|
s = line[x:x + swidth]
|
|
self.win.addstr(slot.y_offset + count, 0 + lm, s)
|
|
|
|
# see if we need to draw a line-continuation symbol or not
|
|
if x + swidth >= len(line):
|
|
x = 0
|
|
y += 1
|
|
else:
|
|
x += swidth
|
|
|
|
# move on to the next physical line
|
|
count += 1
|
|
|
|
def _draw_slot_lit(self, i):
|
|
slot = self.bufferlist.slots[i]
|
|
w = slot.window
|
|
modename = w.mode.name()
|
|
redattr = color.build_attr(color.pairs('red', 'default'))
|
|
highlighter = w.buffer.highlights[modename]
|
|
|
|
(x, y) = w.first.xy()
|
|
j = 0
|
|
count = 0
|
|
(lm, rm) = (w.mode.lmargin, w.mode.rmargin)
|
|
swidth = slot.width - lm - rm
|
|
assert len(w.buffer.lines) == len(highlighter.tokens)
|
|
while count < slot.height:
|
|
if y < len(w.buffer.lines):
|
|
while j < len(highlighter.tokens[y]):
|
|
token = highlighter.tokens[y][j]
|
|
if token.string.endswith('\n'):
|
|
tstring = token.string[:-1]
|
|
else:
|
|
tstring = token.string
|
|
|
|
assert token.y == y, '%d == %d' % (token.y, y)
|
|
|
|
s_offset = max(x - token.x, 0)
|
|
x_offset = max(token.x - x, 0)
|
|
assert x_offset <= swidth, '%d <= %d' % (x_offset, swidth)
|
|
|
|
s = tstring[s_offset:]
|
|
token_done = x_offset + len(s) <= swidth
|
|
token_wrap = x_offset + len(s) > swidth
|
|
|
|
# for debugging things like lexing/relexing/etc.
|
|
if token._debug:
|
|
attr = color.build('blue', 'green')
|
|
elif token.color:
|
|
attr = color.build(*token.color)
|
|
else:
|
|
attr = color.build("default", "default")
|
|
|
|
k = slot.y_offset + count
|
|
self.win.addstr(k, x_offset + lm, s[:swidth - x_offset], attr)
|
|
|
|
if token_wrap:
|
|
self._draw_line_margins(slot, count, w, y, x)
|
|
x += swidth
|
|
count += 1
|
|
if token_done:
|
|
j += 1
|
|
if count >= slot.height:
|
|
break
|
|
|
|
# we have finished this logical line of tokens
|
|
self._draw_line_margins(slot, count, w, y, x)
|
|
j = x = 0
|
|
y += 1
|
|
count += 1
|
|
else:
|
|
self._draw_line_margins(slot, count, w, y, x)
|
|
self.win.addstr(slot.y_offset + count, 0 + lm, '~', redattr)
|
|
count += 1
|
|
|
|
def draw_status_bar(self, slotname):
|
|
slot = self.bufferlist.slots[slotname]
|
|
if slot.window is None:
|
|
return
|
|
|
|
w = slot.window
|
|
b = w.buffer
|
|
cursor = w.logical_cursor()
|
|
first = w.first
|
|
last = w.last
|
|
|
|
if b.readonly():
|
|
if b.changed():
|
|
modflag = '%*'
|
|
else:
|
|
modflag = '%%'
|
|
else:
|
|
if b.changed():
|
|
modflag = '**'
|
|
else:
|
|
modflag = '--'
|
|
|
|
if w.mark:
|
|
mark = w.mark
|
|
else:
|
|
mark = Point(-1, -1)
|
|
name = b.name()
|
|
|
|
if w.first_is_visible():
|
|
perc = "Top"
|
|
elif w.last_is_visible():
|
|
perc = "Bot"
|
|
else:
|
|
perc = "%2d%%" % (first.y*100 / len(b.lines))
|
|
|
|
# XYZ: we should actually use more of the 'state' variables
|
|
format = "%s %-18s (%s)--L%d--C%d--%s"
|
|
status = format % (modflag, name, w.mode.name(), cursor.y+1, cursor.x+1, perc)
|
|
status = status.ljust(slot.width + 1)[:slot.width + 1]
|
|
|
|
self.win.addstr(slot.height + slot.y_offset, 0, status, curses.A_REVERSE)
|
|
|
|
# input bar drawing
|
|
def draw_input_bar(self):
|
|
if self.error_string:
|
|
self.draw_error()
|
|
elif self.mini_buffer_is_open():
|
|
self.draw_mini_buffer()
|
|
else:
|
|
self.draw_nothing()
|
|
try:
|
|
# fucking python, fucking curses, fucking fuck
|
|
self.win.addstr(self.y-1, self.x-1, ' ')
|
|
except:
|
|
pass
|
|
|
|
def _get_mini_lines(self, s):
|
|
i = self.x - 1
|
|
return [s[:i]]
|
|
|
|
lines = [s[:i]]
|
|
while i < len(s):
|
|
lines.append(s[i:self.x - 1 + i])
|
|
i += self.x - 1
|
|
return lines
|
|
|
|
def draw_error(self):
|
|
lines = self._get_mini_lines(self.error_string)
|
|
for i in range(0, len(lines)):
|
|
line = util.pad(lines[i], self.x - 1)
|
|
self.win.addstr(self.y - len(lines) + i, 0, line)
|
|
|
|
def draw_mini_buffer(self):
|
|
b = self.mini_buffer
|
|
lines = self._get_mini_lines(self.mini_prompt + b.lines[0])
|
|
for i in range(0, len(lines)):
|
|
line = util.pad(lines[i], self.x - 1)
|
|
self.win.addstr(self.y - len(lines) + i, 0, line)
|
|
|
|
def draw_nothing(self):
|
|
self.win.addstr(self.y-1, 0, util.pad('', self.x - 1))
|
|
|
|
def open_aes_file(path, name=None, binary=False):
|
|
if os.path.isfile(path) or not os.path.exists(path):
|
|
p = getpass.getpass("Please enter the AES password: ")
|
|
return buffer.AesBuffer(path, p, name)
|
|
else:
|
|
raise Exception, "can't open %r; unsupported file type" % path
|
|
def open_plain_file(path, name=None, binary=False):
|
|
if os.path.isfile(path) or not os.path.exists(path):
|
|
if binary:
|
|
return buffer.Binary32Buffer(path, name)
|
|
else:
|
|
return buffer.FileBuffer(path, name)
|
|
elif os.path.isdir(path):
|
|
return buffer.DirBuffer(path, name)
|
|
else:
|
|
raise Exception, "can't open %r; unsupported file type" % path
|
|
|
|
if __name__ == "__main__":
|
|
ciphers = {
|
|
'none': open_plain_file,
|
|
'aes': open_aes_file,
|
|
}
|
|
|
|
# preprocess args
|
|
argv = list(sys.argv[1:])
|
|
goto_line = None
|
|
i = 0
|
|
while i < len(argv):
|
|
if argv[i] == '-nw':
|
|
del argv[i]
|
|
elif argv[i].startswith('+'):
|
|
goto_line = int(argv.pop(i))
|
|
else:
|
|
i += 1
|
|
|
|
import optparse
|
|
|
|
parser = optparse.OptionParser()
|
|
parser.set_defaults(debug=False)
|
|
parser.set_defaults(goto=None)
|
|
parser.set_defaults(mode=None)
|
|
parser.set_defaults(cipher='none')
|
|
parser.set_defaults(linetype='unix')
|
|
parser.set_defaults(binary=False)
|
|
|
|
parser.add_option('-b', '--binary', dest='binary', action='store_true',
|
|
help='open file(s) in hex binary mode')
|
|
parser.add_option('-d', '--debug', dest='debug', action='store_true',
|
|
help='run in debug mode')
|
|
parser.add_option('-e', '--encrypt', dest='cipher', metavar='CIPHER',
|
|
help='decrypt and encrypt with CIPHER (default: none)')
|
|
parser.add_option('-g', '--goto', dest='goto', metavar='NUM', type='int',
|
|
help='jump to line NUM of the first argument')
|
|
parser.add_option('-m', '--mode', dest='mode', metavar='MODE',
|
|
help='open arguments in MODE')
|
|
|
|
(opts, args) = parser.parse_args(argv)
|
|
|
|
# if debugging, disable error handling to produce backtraces
|
|
if opts.debug:
|
|
mode.DEBUG = True
|
|
|
|
# if -b but no -m, then use -m hex
|
|
if opts.binary and not opts.mode:
|
|
opts.mode = 'hex'
|
|
|
|
# we will support using +19 as the first argument to indicate opening the
|
|
# first file on line 19 (same as -g 19 or --goto 19)
|
|
if goto_line:
|
|
opts.goto = goto_line
|
|
|
|
# figure out what kind of file open function to use
|
|
if opts.cipher not in ciphers:
|
|
sys.stderr.write('invalid cipher: %r' % opts.cipher)
|
|
sys.exit(2)
|
|
f = ciphers[opts.cipher]
|
|
|
|
# open each path using our callback to get a buffer, open that buffer, etc.
|
|
buffers = []
|
|
names = sets.Set()
|
|
paths = sets.Set()
|
|
|
|
for path in args:
|
|
path = os.path.abspath(os.path.realpath(util.expand_tilde(path)))
|
|
if path in paths:
|
|
continue
|
|
name = os.path.basename(path)
|
|
if name in names:
|
|
i = 1
|
|
auxname = '%s/%d' % (name, i)
|
|
while auxname in names:
|
|
i += 1
|
|
auxname = '%s/%d' % (name, i)
|
|
name = auxname
|
|
|
|
try:
|
|
b = f(path, name, opts.binary)
|
|
b.open()
|
|
except buffer.BinaryDataException, e:
|
|
if not opts.mode:
|
|
opts.mode = 'hex'
|
|
b = f(path, name, True)
|
|
b.open()
|
|
|
|
buffers.append(b)
|
|
paths.add(path)
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names.add(name)
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# ok, now run our app
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run(buffers, opts.goto, opts.mode)
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