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