roar/MiRCART-python/MiRCARTCanvasImportStore.py

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#!/usr/bin/env python3
#
# MiRCARTCanvasImportStore.py -- XXX
# Copyright (c) 2018 Lucio Andrés Illanes Albornoz <lucio@lucioillanes.de>
# This project is licensed under the terms of the MIT licence.
#
class MiRCARTCanvasImportStore():
"""XXX"""
inFile = inSize = outMap = None
parentCanvas = None
#
# _CellState(): Cell state
class _CellState():
CS_NONE = 0x00
CS_BOLD = 0x01
CS_ITALIC = 0x02
CS_UNDERLINE = 0x04
#
# _ParseState(): Parsing loop state
class _ParseState():
PS_CHAR = 1
PS_COLOUR_DIGIT0 = 2
PS_COLOUR_DIGIT1 = 3
# {{{ _flipCellStateBit(self, cellState, bit): XXX
def _flipCellStateBit(self, cellState, bit):
if cellState & bit:
return cellState & ~bit
else:
return cellState | bit
# }}}
# {{{ _parseCharAsColourSpec(self, colourSpec, curColours): XXX
def _parseCharAsColourSpec(self, colourSpec, curColours):
if len(colourSpec) > 0:
colourSpec = colourSpec.split(",")
if len(colourSpec) == 2 \
and len(colourSpec[1]) > 0:
return (int(colourSpec[0] or curColours[0]), \
int(colourSpec[1]))
elif len(colourSpec) == 1 \
or len(colourSpec[1]) == 0:
return (int(colourSpec[0]), curColours[1])
else:
return (15, 1)
# }}}
# {{{ importIntoPanel(self): XXX
def importIntoPanel(self):
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self.parentCanvas.onStoreUpdate(self.inSize, self.outMap)
# }}}
# {{{ importTextFile(self, pathName): XXX
def importTextFile(self, pathName):
self.inFile = open(pathName, "r", encoding="utf-8-sig")
self.inSize = self.outMap = None;
inCurColourSpec = ""; inCurRow = -1;
inLine = self.inFile.readline()
inSize = [0, 0]; outMap = []; inMaxCols = 0;
while inLine:
inCellState = self._CellState.CS_NONE
inParseState = self._ParseState.PS_CHAR
inCurCol = 0; inMaxCol = len(inLine);
inCurColourDigits = 0; inCurColours = (15, 1); inCurColourSpec = "";
inCurRow += 1; outMap.append([]); inRowCols = 0; inSize[1] += 1;
while inCurCol < inMaxCol:
inChar = inLine[inCurCol]
if inChar in set("\r\n"): \
inCurCol += 1
elif inParseState == self._ParseState.PS_CHAR:
inCurCol += 1
if inChar == "":
inCellState = self._flipCellStateBit( \
inCellState, self._CellState.CS_BOLD)
elif inChar == "":
inParseState = self._ParseState.PS_COLOUR_DIGIT0
elif inChar == "":
inCellState = self._flipCellStateBit( \
inCellState, self._CellState.CS_ITALIC)
elif inChar == "":
inCellState |= self._CellState.CS_NONE
inCurColours = (15, 1)
elif inChar == "":
inCurColours = (inCurColours[1], inCurColours[0])
elif inChar == "":
inCellState = self._flipCellStateBit( \
inCellState, self._CellState.CS_UNDERLINE)
else:
inRowCols += 1
outMap[inCurRow].append([*inCurColours, inCellState, inChar])
elif inParseState == self._ParseState.PS_COLOUR_DIGIT0 \
or inParseState == self._ParseState.PS_COLOUR_DIGIT1:
if inChar == "," \
and inParseState == self._ParseState.PS_COLOUR_DIGIT0:
if (inCurCol + 1) < inMaxCol \
and not inLine[inCurCol + 1] in set("0123456789"):
inCurColours = self._parseCharAsColourSpec( \
inCurColourSpec, inCurColours)
inCurColourDigits = 0; inCurColourSpec = "";
inParseState = self._ParseState.PS_CHAR
else:
inCurCol += 1
inCurColourDigits = 0; inCurColourSpec += inChar;
inParseState = self._ParseState.PS_COLOUR_DIGIT1
elif inChar in set("0123456789") \
and inCurColourDigits == 0:
inCurCol += 1
inCurColourDigits += 1; inCurColourSpec += inChar;
elif inChar in set("0123456789") \
and inCurColourDigits == 1 \
and inCurColourSpec[-1] == "0":
inCurCol += 1
inCurColourDigits += 1; inCurColourSpec += inChar;
elif inChar in set("012345") \
and inCurColourDigits == 1 \
and inCurColourSpec[-1] == "1":
inCurCol += 1
inCurColourDigits += 1; inCurColourSpec += inChar;
else:
inCurColours = self._parseCharAsColourSpec( \
inCurColourSpec, inCurColours)
inCurColourDigits = 0; inCurColourSpec = "";
inParseState = self._ParseState.PS_CHAR
inMaxCols = max(inMaxCols, inRowCols)
inLine = self.inFile.readline()
inSize[0] = inMaxCols; self.inSize = inSize; self.outMap = outMap;
self.inFile.close()
# }}}
# {{{ importNew(self, newCanvasSize=None): XXX
def importNew(self, newCanvasSize=None):
newMap = [[[1, 1, 0, " "] \
for x in range(newCanvasSize[0])] \
for y in range(newCanvasSize[1])]
self.parentCanvas.onStoreUpdate(newCanvasSize, newMap)
# }}}
#
# __init__(self, inFile=None, parentCanvas=None): initialisation method
def __init__(self, inFile=None, parentCanvas=None):
self.inFile = inFile; self.inSize = self.outMap = None;
self.parentCanvas = parentCanvas
if inFile != None:
self.importTextFile(inFile)
# vim:expandtab foldmethod=marker sw=4 ts=4 tw=120