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