214 lines
6.5 KiB
Python
214 lines
6.5 KiB
Python
# -*- coding: utf-8 -*-
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from __future__ import unicode_literals
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import ctypes
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from ctypes import c_int, c_char_p, c_long, c_ssize_t
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def IsEnumeration(t):
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return t[:1].isupper()
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basicTypes = ["bool", "int", "position", "line", "pointer", "colour", "colouralpha"]
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def BasicTypeOrEnumeration(t):
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return t in basicTypes or IsEnumeration(t)
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class TEXTRANGE(ctypes.Structure):
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_fields_= (\
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('cpMin', c_long),
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('cpMax', c_long),
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('lpstrText', ctypes.POINTER(ctypes.c_char)),
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)
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class TEXTRANGEFULL(ctypes.Structure):
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_fields_= (\
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('cpMin', c_ssize_t),
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('cpMax', c_ssize_t),
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('lpstrText', ctypes.POINTER(ctypes.c_char)),
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)
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class FINDTEXT(ctypes.Structure):
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_fields_= (\
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('cpMin', c_long),
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('cpMax', c_long),
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('lpstrText', c_char_p),
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('cpMinText', c_long),
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('cpMaxText', c_long),
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)
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class FINDTEXTFULL(ctypes.Structure):
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_fields_= (\
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('cpMin', c_ssize_t),
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('cpMax', c_ssize_t),
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('lpstrText', c_char_p),
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('cpMinText', c_ssize_t),
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('cpMaxText', c_ssize_t),
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)
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class SciCall:
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def __init__(self, fn, ptr, msg, stringResult=False):
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self._fn = fn
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self._ptr = ptr
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self._msg = msg
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self._stringResult = stringResult
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def __call__(self, w=0, lp=0):
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ww = ctypes.cast(w, c_char_p)
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if self._stringResult:
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lengthBytes = self._fn(self._ptr, self._msg, ww, None)
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if lengthBytes == 0:
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return bytearray()
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result = (ctypes.c_byte * lengthBytes)(0)
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lengthBytes2 = self._fn(self._ptr, self._msg, ww, ctypes.cast(result, c_char_p))
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assert lengthBytes == lengthBytes2
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return bytearray(result)[:lengthBytes]
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else:
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ll = ctypes.cast(lp, c_char_p)
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return self._fn(self._ptr, self._msg, ww, ll)
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sciFX = ctypes.CFUNCTYPE(c_ssize_t, c_char_p, c_int, c_char_p, c_char_p)
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class ScintillaCallable:
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def __init__(self, face, scifn, sciptr):
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self.__dict__["face"] = face
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self.__dict__["used"] = set()
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self.__dict__["all"] = set()
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# The k member is for accessing constants as a dictionary
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self.__dict__["k"] = {}
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for f in face.features:
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self.all.add(f)
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if face.features[f]["FeatureType"] == "val":
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self.k[f] = int(self.face.features[f]["Value"], 0)
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elif face.features[f]["FeatureType"] == "evt":
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self.k["SCN_"+f] = int(self.face.features[f]["Value"], 0)
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scifn = sciFX(scifn)
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self.__dict__["_scifn"] = scifn
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self.__dict__["_sciptr"] = sciptr
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def __getattr__(self, name):
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if name in self.face.features:
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self.used.add(name)
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feature = self.face.features[name]
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value = int(feature["Value"], 0)
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#~ print("Feature", name, feature)
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if feature["FeatureType"] == "val":
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self.__dict__[name] = value
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return value
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else:
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if feature["Param2Type"] == "stringresult" and \
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name not in ["GetText", "GetLine", "GetCurLine"]:
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return SciCall(self._scifn, self._sciptr, value, True)
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else:
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return SciCall(self._scifn, self._sciptr, value)
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elif ("Get" + name) in self.face.features:
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self.used.add("Get" + name)
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feature = self.face.features["Get" + name]
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value = int(feature["Value"], 0)
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if feature["FeatureType"] == "get" and \
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not name.startswith("Get") and \
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not feature["Param1Type"] and \
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not feature["Param2Type"] and \
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BasicTypeOrEnumeration(feature["ReturnType"]):
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#~ print("property", feature)
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return self._scifn(self._sciptr, value, None, None)
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elif name.startswith("SCN_") and name in self.k:
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self.used.add(name)
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feature = self.face.features[name[4:]]
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value = int(feature["Value"], 0)
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#~ print("Feature", name, feature)
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if feature["FeatureType"] == "val":
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return value
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raise AttributeError(name)
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def __setattr__(self, name, val):
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if ("Set" + name) in self.face.features:
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self.used.add("Set" + name)
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feature = self.face.features["Set" + name]
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value = int(feature["Value"], 0)
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#~ print("setproperty", feature)
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if feature["FeatureType"] == "set" and not name.startswith("Set"):
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if BasicTypeOrEnumeration(feature["Param1Type"]):
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return self._scifn(self._sciptr, value, c_char_p(val), None)
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elif feature["Param2Type"] in ["string"]:
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return self._scifn(self._sciptr, value, None, c_char_p(val))
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raise AttributeError(name)
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raise AttributeError(name)
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def getvalue(self, name):
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if name in self.face.features:
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feature = self.face.features[name]
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if feature["FeatureType"] != "evt":
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try:
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return int(feature["Value"], 0)
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except ValueError:
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return -1
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return -1
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def ByteRange(self, start, end):
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tr = TEXTRANGE()
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tr.cpMin = start
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tr.cpMax = end
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length = end - start
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tr.lpstrText = ctypes.create_string_buffer(length + 1)
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self.GetTextRange(0, ctypes.byref(tr))
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text = tr.lpstrText[:length]
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text += b"\0" * (length - len(text))
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return text
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def ByteRangeFull(self, start, end):
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tr = TEXTRANGEFULL()
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tr.cpMin = start
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tr.cpMax = end
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length = end - start
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tr.lpstrText = ctypes.create_string_buffer(length + 1)
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self.GetTextRangeFull(0, ctypes.byref(tr))
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text = tr.lpstrText[:length]
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text += b"\0" * (length - len(text))
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return text
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def StyledTextRange(self, start, end):
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tr = TEXTRANGE()
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tr.cpMin = start
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tr.cpMax = end
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length = 2 * (end - start)
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tr.lpstrText = ctypes.create_string_buffer(length + 2)
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self.GetStyledText(0, ctypes.byref(tr))
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styledText = tr.lpstrText[:length]
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styledText += b"\0" * (length - len(styledText))
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return styledText
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def StyledTextRangeFull(self, start, end):
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tr = TEXTRANGEFULL()
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tr.cpMin = start
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tr.cpMax = end
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length = 2 * (end - start)
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tr.lpstrText = ctypes.create_string_buffer(length + 2)
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self.GetStyledTextFull(0, ctypes.byref(tr))
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styledText = tr.lpstrText[:length]
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styledText += b"\0" * (length - len(styledText))
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return styledText
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def FindBytes(self, start, end, s, flags):
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ft = FINDTEXT()
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ft.cpMin = start
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ft.cpMax = end
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ft.lpstrText = s
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ft.cpMinText = 0
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ft.cpMaxText = 0
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pos = self.FindText(flags, ctypes.byref(ft))
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#~ print(start, end, ft.cpMinText, ft.cpMaxText)
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return pos
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def FindBytesFull(self, start, end, s, flags):
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ft = FINDTEXTFULL()
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ft.cpMin = start
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ft.cpMax = end
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ft.lpstrText = s
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ft.cpMinText = 0
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ft.cpMaxText = 0
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pos = self.FindTextFull(flags, ctypes.byref(ft))
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#~ print(start, end, ft.cpMinText, ft.cpMaxText)
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return pos
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def Contents(self):
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return self.ByteRange(0, self.Length)
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def SetContents(self, s):
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self.TargetStart = 0
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self.TargetEnd = self.Length
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self.ReplaceTarget(len(s), s)
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