102 lines
No EOL
3.2 KiB
Python
102 lines
No EOL
3.2 KiB
Python
#!/usr/bin/env python
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#coding: utf8
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#################################### IMPORTS ###################################
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# Std Libs
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import re
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try:
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from itertools import izip
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except ImportError: # Python 3 coming Feb?
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from itertools import zip as izip
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# Sublime Libs
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import sublime
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import sublime_plugin
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#################################### HELPERS ###################################
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def notify_nothing():
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sublime.status_message('Nothing to transpose')
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def full_region(region):
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return ( sublime.Region(region.begin(), region.begin() + 1)
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if region.empty() else region )
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def perform_transposition(edit, view, trans, init_sel):
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" assumes trans is already reverse sorted sequence of regions"
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view.sel().subtract(init_sel)
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for i, (sel, substr) in enumerate(izip(trans,
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reversed([view.substr(s) for s in trans])) ):
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view.replace(edit, sel, substr)
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if not i: view.sel().add(init_sel)
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def transpose_selections(edit, view):
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for sel in view.sel():
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word_sel = view.word(sel)
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word_extents = (wb, we) = (word_sel.begin(), word_sel.end())
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transpose_words = sel.end() in word_extents
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#" wora! arst"
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if transpose_words:
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if sel.end() == we:
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next = view.find('\w', word_sel.end())
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if next is None: continue
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trans = [ view.word(next), word_sel ]
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else:
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if wb == 0: continue
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for pt in xrange(wb-1, -1, -1):
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if re.match('\w', view.substr(pt)): break
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trans = [ word_sel, view.word(pt) ]
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else:
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p1 = max(0, sel.begin() -1)
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character_behind_region = sublime.Region(p1)
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#" a!a"
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trans = [ full_region(sel), full_region(character_behind_region)]
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perform_transposition(edit, view, trans, sel)
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def rotate_selections(edit, view):
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# TODO: ???
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for sel in view.sel():
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if sel.empty(): view.sel().add(view.word(sel))
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sels = list(reversed(view.sel()))
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strings = [ view.substr(s) for s in sels ]
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strings.append(strings.pop(0))
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for sel, substr in izip(sels, strings):
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view.replace(edit, sel, substr)
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################################### COMMANDS ###################################
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class Transpose(sublime_plugin.TextCommand):
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"""
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- empty selection, cursor within a word: transpose characters
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- empty selection, cursor at the end of a word: transpose words
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- multiple selections, all empty: as above
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- multiple selections, at least one non-empty: rotate contents of selections
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(i.e., each selection takes on the contents of the selection before it)
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- single non-empty selection: do nothing
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"""
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def run(self, edit, **kw):
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if not self.enabled(): return notify_nothing()
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view = self.view
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sels = view.sel()
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nsels = len(sels)
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if nsels > 1 and view.has_non_empty_selection_region():
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rotate_selections(edit, view)
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else:
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transpose_selections(edit, view)
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def enabled(self):
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sels = self.view.sel()
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return not (len(sels) == 1 and not sels[0].empty()) |