pmacs3/mode_search.py

139 lines
4.7 KiB
Python

import re, sets, string
import color, method, minibuffer, mode2, search
from point2 import Point
selected_color = 'magenta'
unselected_color = 'yellow'
class Search(mode2.Fundamental):
'''This is the default mode'''
def __init__(self, w):
mode2.Fundamental.__init__(self, w)
# clear out all the defaults that we don't want/need
self.actions = {}
self.bindings = {}
# add some useful bindings
self.add_action_and_bindings(SearchNext(), ('C-s',))
self.add_action_and_bindings(SearchPrevious(), ('C-r',))
self.add_action_and_bindings(EndSearch(), ('RETURN', 'C-n', 'C-p', 'C-a', 'C-e', 'C-f', 'C-b',))
self.add_action_and_bindings(CancelSearch(), ('C-]',))
self.add_action_and_bindings(SearchDeleteLeft(), ('DELETE', 'BACKSPACE',))
self.add_action_and_bindings(SearchDeleteLeftWord(), ('M-DELETE', 'M-BACKSPACE',))
# create all the insert actions for the character ranges we like
for collection in (string.letters, string.digits, string.punctuation):
for c in collection:
self.add_action_and_bindings(InsertSearchString(c), (c,))
self.add_action_and_bindings(InsertSearchString(' '), ('SPACE',))
def name(self):
return "Search"
def _make_regex(w, s):
try:
if w.buffer.method.is_literal:
s = search.escape_literal(s)
return re.compile(s)
except:
raise search.IllegalPatternError, "failed to compile: %r" % s
class SearchNext(method.Method):
def execute(self, w, **vargs):
w.buffer.method.direction = 'next'
s = w.buffer.make_string()
if s:
try:
r = _make_regex(w, s)
search.find_next(r, w.buffer.method.old_window, move=True)
except search.IllegalPatternError:
w.application.clear_highlighted_ranges()
else:
w.buffer.set_data(w.application.last_search)
class SearchPrevious(method.Method):
def execute(self, w, **vargs):
w.buffer.method.direction = 'previous'
if not w.buffer.make_string():
return
else:
s = w.buffer.make_string()
w2 = w.buffer.method.old_window
try:
r = _make_regex(w, s)
search.find_previous(r, w2, move=True)
except search.IllegalPatternError:
w.application.clear_highlighted_ranges()
class EndSearch(method.Method):
def execute(self, w, **vargs):
old_w = w.buffer.method.old_window
old_c = w.buffer.method.old_cursor
_end(w)
old_w.set_mark_point(old_c)
w.set_error("Mark set to search start")
class CancelSearch(method.Method):
def execute(self, w, **vargs):
w.buffer.method.old_window.goto(w.buffer.method.old_cursor)
_end(w)
w.set_error("Search cancelled")
class SearchDeleteLeft(method.Method):
def execute(self, w, **vargs):
w.left_delete()
_post_delete(w)
class SearchDeleteLeftWord(method.Method):
def execute(self, w, **vargs):
w.kill_left_word()
_post_delete(w)
def _post_delete(w):
old_cursor = w.buffer.method.old_cursor
old_w = w.buffer.method.old_window
old_w.goto(old_cursor)
if not w.buffer.make_string():
w.application.clear_highlighted_ranges()
return
s = w.buffer.make_string()
w2 = w.buffer.method.old_window
try:
r = _make_regex(w, s)
if w.buffer.method.direction == 'next':
search.find_next(r, w2, move=False)
else:
search.find_previous(r, w2, move=False)
except search.IllegalPatternError:
w.application.clear_highlighted_ranges()
class InsertSearchString(method.Method):
def __init__(self, s):
self.name = 'insert-search-string-%s' % (s)
self.string = s
self.args = []
self.help = None
def execute(self, w, **vargs):
w.insert_string_at_cursor(self.string)
s = w.buffer.make_string()
if not s:
return
else:
s = w.buffer.make_string()
w2 = w.buffer.method.old_window
try:
r = _make_regex(w, s)
if w.buffer.method.direction == 'next':
search.find_next(r, w2, move=False)
else:
search.find_previous(r, w2, move=False)
except search.IllegalPatternError:
w.application.clear_highlighted_ranges()
def _end(w):
w.application.close_mini_buffer()
w.application.clear_highlighted_ranges()
w.application.last_search = w.buffer.make_string()
w.buffer.method.old_cursor = None
w.buffer.method.old_window = None