import os, commands, re, tempfile
from subprocess import Popen, PIPE, STDOUT

import buffer, default, dirutil, lex, regex, util, window
from point import Point

from method import Method, Argument, arg

class Utf8Get(Method):
    def _execute(self, w, **vargs):
        p = w.logical_cursor()
        c = w.buffer.get_substring(p, p.add(1, 0))
        w.set_error(repr(c))

class Utf8Describe(Method):
    def _execute(self, w, **vargs):
        w.set_error("not implemented")

class Utf8Insert(Method):
    '''insert the specified UTF-8 character into the buffer'''
    args = [arg("data", t=type(""), p="Data: ",
                h="the UTF-8 escaped data to use to use")]
    def _execute(self, w, **vargs):
        s = "u'" + vargs['data'] + "'"
        try:
            u = eval(s, {}, {})
            w.insert_string_at_cursor(u)
        except:
            w.set_error("invalid: %s" % vargs['data'])