pmacs3/mode/text.py

93 lines
3.1 KiB
Python

import color, mode, method, ispell
from lex import Token, Rule, PatternRule, RegionRule, Grammar
class WordRule(PatternRule):
def __init__(self):
PatternRule.__init__(self, r'word', pattern=r"[a-zA-Z][a-zA-Z-\']*[a-zA-Z](?=$|[^a-zA-Z0-9-_])")
def _spelled_ok(self, word):
if ispell.can_spell():
speller = ispell.get_speller()
return speller.check(word, caps=False, title=False)
else:
return True
def lex(self, lexer, parent, m):
if m:
s = m.group(0)
if self._spelled_ok(s):
token = Token('word', self, lexer.y, lexer.x, s, None, parent, {})
else:
token = Token('misspelled', self, lexer.y, lexer.x, s, None, parent, {})
token.color = lexer.get_color(token)
lexer.x += len(s)
yield token
raise StopIteration
class ContinuedRule(RegionRule):
def __init__(self):
RegionRule.__init__(self, r'cont', r'[a-zA-Z0-9_]+- *$', Grammar, r'^ *(?:[^ ]+|$)')
class TextGrammar(Grammar):
rules = [
ContinuedRule(),
WordRule(),
PatternRule(r'punct', r'[^a-zA-Z0-9_]'),
PatternRule(r'stuff', r'[a-zA-Z0-9_]+'),
]
class Text(mode.Fundamental):
modename = 'Text'
extensions=['.txt']
grammar = TextGrammar
colors = {
#'misspelled': ('red', 'default'),
#'cont.start': ('default', 'default'),
#'cont.end': ('default', 'default'),
#'word': ('default', 'default'),
#'punct': ('default', 'default'),
#'stuff': ('default', 'default'),
}
def __init__(self, w):
mode.Fundamental.__init__(self, w)
self.add_action_and_bindings(LearnWord(), ('C-c l',))
self.add_action_and_bindings(TextInsertSpace(), ('SPACE',))
self.add_action_and_bindings(TextWrapParagraph(), ('M-q',))
class TextWrapParagraph(method.WrapParagraph):
pass
class TextInsertSpace(method.Method):
wrapper = TextWrapParagraph
def execute(self, w, **vargs):
cursor = w.logical_cursor()
i = cursor.y
if len(w.buffer.lines[i]) > self.wrapper.limit:
self.wrapper().execute(w)
w.insert_string_at_cursor(' ')
class LearnWord(method.Method):
def execute(self, w, **vargs):
if not ispell.can_spell():
w.application.set_error('Spelling support is unavailable')
return
cursor = w.logical_cursor()
word = None
for token in w.buffer.highlights[w.mode.name()].tokens[cursor.y]:
if (token.x <= cursor.x and
token.end_x() > cursor.x and
token.name == 'misspelled'):
word = token.string
if word is None:
w.application.set_error('No misspelled word was found')
return
speller = ispell.get_speller()
speller.learn(word)
w.application.set_error("Added %r to personal dictionary" % (word))
# cheap way to relex just this word; there should really be a function
w.insert_string_at_cursor(' ')
w.left_delete()
install = Text.install