Some refactoring
This commit is contained in:
Holger Rapp
parent
c6116f12ce
commit
d5705c7559
108
PySnipEmu.py
108
PySnipEmu.py
@ -89,10 +89,18 @@ class TextObject(object):
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This base class represents any object in the text
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that has a span in any ways
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"""
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def __init__(self, start, end):
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self._parent = None
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def __init__(self, parent, start, end):
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self._start = start
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self._end = end
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self._parent = parent
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self._children = []
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if parent is not None:
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parent.add_child(self)
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def add_child(self,c):
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self._children.append(c)
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def parent():
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doc = "The parent TextObject this TextObject resides in"
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@ -116,13 +124,14 @@ class Mirror(TextObject):
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"""
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A Mirror object mirrors a TabStop that is, text is repeated here
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"""
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def __init__(self, ts, idx, start_col):
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def __init__(self, parent, ts, idx, start_col):
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start = Position(idx,start_col)
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end = Position(idx,start_col)
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TextObject.__init__(self, start, end)
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end = start + (ts.end - ts.start)
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TextObject.__init__(self, parent, start, end)
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self._tabstop = ts
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ts.add_mirror(self)
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@property
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def tabstop(self):
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return self._tabstop
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@ -144,7 +153,10 @@ class Mirror(TextObject):
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newcolspan = self.end.col - self.start.col
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newlinespan = self.end.line - self.start.line
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return newlinespan-oldlinespan, newcolspan-oldcolspan
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moved_lines = newlinespan - oldlinespan
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moved_cols = newcolspan - oldcolspan
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self._parent._move_textobjects_behind(moved_lines, moved_cols, self)
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class TabStop(TextObject):
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@ -152,13 +164,18 @@ class TabStop(TextObject):
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This is the most important TextObject. A TabStop is were the cursor
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comes to rest when the user taps through the Snippet.
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"""
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def __init__(self, idx, span, default_text = ""):
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def __init__(self, parent, idx, span, default_text = ""):
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start = Position(idx,span[0])
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end = Position(idx,span[1])
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TextObject.__init__(self, start, end)
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TextObject.__init__(self, parent, start, end)
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self._ct = default_text
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self._mirrors = []
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def add_mirror(self, m):
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self._mirrors.append(m)
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def current_text():
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def fget(self):
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return self._ct
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@ -180,7 +197,10 @@ class TabStop(TextObject):
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self._parent._move_textobjects_behind(moved_lines, moved_cols, self)
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self._end = new_end
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self._parent._update_mirrors(self)
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for m in self._mirrors:
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m.update(self)
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return locals()
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current_text = property(**current_text())
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@ -217,22 +237,18 @@ class SnippetInstance(TextObject):
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also a TextObject because it has a start an end
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"""
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def __init__(self, start, end, ts, mirrors):
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TextObject.__init__(self, start, end)
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self._tabstops = ts
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self._mirrors = mirrors
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self._text_objects = ts.values() + mirrors
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self._selected_tab = None
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def __init__(self, start, end):
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TextObject.__init__(self, None, start, end)
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self._cts = None
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self._selected_tab = None
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self._tabstops = {}
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for to in self._text_objects:
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to.parent = self
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for ts in self._tabstops.values():
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self._update_mirrors(ts)
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def has_tabs(self):
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return len(self._children) > 0
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def add_tabstop(self,no, ts):
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self._tabstops[no] = ts
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def select_next_tab(self, backwards = False):
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if self._cts == 0:
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@ -268,12 +284,6 @@ class SnippetInstance(TextObject):
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return True
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def _update_mirrors(self,for_ts):
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for m in self._mirrors:
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moved_lines, moved_cols = m.update(for_ts)
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self._move_textobjects_behind(moved_lines, moved_cols, m)
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def _move_textobjects_behind(self, lines, cols, obj):
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if lines == 0 and cols == 0:
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return
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@ -281,7 +291,7 @@ class SnippetInstance(TextObject):
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debug("Got: %i %i" % (lines,cols))
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debug(" %s -> %s" % (obj.start,obj.end))
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for m in self._text_objects:
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for m in self._children:
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if m == obj:
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continue
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@ -318,8 +328,6 @@ class SnippetInstance(TextObject):
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else:
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cts.current_text += chars
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self._update_mirrors(cts)
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class Snippet(object):
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_TABSTOP = re.compile(r'''(?xms)
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@ -335,7 +343,7 @@ class Snippet(object):
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def trigger(self):
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return self._t
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def _handle_tabstop(self, m, val, tabstops, mirrors):
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def _handle_tabstop(self, s, m, val, tabstops):
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no = int(m.group(1))
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def_text = m.group(2)
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@ -345,59 +353,65 @@ class Snippet(object):
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line_idx = val[:start].count('\n')
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line_start = val[:start].rfind('\n') + 1
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start_in_line = start - line_start
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ts = TabStop(line_idx,
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ts = TabStop(s, line_idx,
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(start_in_line,start_in_line+len(def_text)), def_text)
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tabstops[no] = ts
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s.add_tabstop(no,ts)
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return val
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def _handle_ts_or_mirror(self, m, val, tabstops, mirrors):
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def _handle_ts_or_mirror(self, s, m, val, tabstops):
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no = int(m.group(3))
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start, end = m.span()
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val = val[:start] + val[end:]
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line_idx = val[:start].count('\n')
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line_start = val[:start].rfind('\n') + 1
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start_in_line = start - line_start
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if no in tabstops:
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m = Mirror(tabstops[no], line_idx, start_in_line)
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mirrors.append(m)
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m = Mirror(s, tabstops[no], line_idx, start_in_line)
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val = val[:start] + tabstops[no].current_text + val[end:]
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else:
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ts = TabStop(line_idx, (start_in_line,start_in_line))
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ts = TabStop(s, line_idx, (start_in_line,start_in_line))
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val = val[:start] + val[end:]
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tabstops[no] = ts
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s.add_tabstop(no,ts)
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return val
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def _find_tabstops(self, val):
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def _find_tabstops(self, s, val):
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tabstops = {}
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mirrors = []
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while 1:
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m = self._TABSTOP.search(val)
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if m is not None:
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if m.group(1) is not None: # ${1:hallo}
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val = self._handle_tabstop(m,val,tabstops,mirrors)
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val = self._handle_tabstop(s,m,val,tabstops)
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elif m.group(3) is not None: # $1
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val = self._handle_ts_or_mirror(m,val,tabstops,mirrors)
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val = self._handle_ts_or_mirror(s,m,val,tabstops)
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else:
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break
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return tabstops, mirrors, val
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return val
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def launch(self, before, after):
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ts, mirrors, text = self._find_tabstops(self._v)
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lineno, col = vim.current.window.cursor
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start = Position(lineno-1,col - len(self._t))
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end = Position(lineno-1,col)
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s = SnippetInstance(start,end)
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text = self._find_tabstops(s, self._v)
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new_end = _replace_text_in_buffer( start, end, text )
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if len(ts) or len(mirrors):
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s = SnippetInstance(start, new_end, ts, mirrors)
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# TODO: hack
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s.end.col = new_end.col
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s.end.line = new_end.line
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if s.has_tabs():
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s.select_next_tab()
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return s
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else:
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3
test.py
3
test.py
@ -203,7 +203,8 @@ class TabStopTestMultilineExpand_ExceptCorrectResult(_VimTest):
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def cmd(self):
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self.type("test hallo World")
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self.escape()
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self.type("02f i\tworld\ttry\ttest\tone more\t\t")
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self.type("02f i\t")
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self.type("world\ttry\ttest\tone more\t\t")
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def runTest(self): self.check_output()
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# TODO: pasting with <C-R> while mirroring
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