--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/eric7/EricXML/HighlightingStylesReader.py Sat May 22 11:14:43 2021 +0200
@@ -0,0 +1,165 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2010 - 2021 Detlev Offenbach <detlev@die-offenbachs.de>
+#
+
+
+"""
+Module implementing a class for reading a highlighting styles XML file.
+"""
+
+from .Config import highlightingStylesFileFormatVersion
+from .XMLStreamReaderBase import XMLStreamReaderBase
+
+
+class HighlightingStylesReader(XMLStreamReaderBase):
+ """
+ Class for reading a highlighting styles XML file.
+ """
+ supportedVersions = ["4.3", "6.0"]
+
+ def __init__(self, device, lexers):
+ """
+ Constructor
+
+ @param device reference to the I/O device to read from (QIODevice)
+ @param lexers dictionary of lexer objects for which to import the
+ styles
+ """
+ XMLStreamReaderBase.__init__(self, device)
+
+ self.lexers = lexers
+
+ self.version = ""
+
+ def readXML(self):
+ """
+ Public method to read and parse the XML document.
+
+ @return list of read lexer style definitions
+ @rtype list of dict
+ """
+ self.__lexersList = []
+
+ while not self.atEnd():
+ self.readNext()
+ if self.isStartElement():
+ if self.name() == "HighlightingStyles":
+ self.version = self.attribute(
+ "version",
+ highlightingStylesFileFormatVersion)
+ if self.version not in self.supportedVersions:
+ self.raiseUnsupportedFormatVersion(self.version)
+ elif self.name() == "Lexer":
+ self.__readLexer()
+ else:
+ self.raiseUnexpectedStartTag(self.name())
+
+ self.showErrorMessage()
+
+ return self.__lexersList
+
+ def __readLexer(self):
+ """
+ Private method to read the lexer info.
+ """
+ language = self.attribute("name")
+ self.__lexersList.append({
+ "name": language,
+ "styles": [],
+ })
+ lexer = (
+ self.lexers[language]
+ if language and language in self.lexers else
+ None
+ )
+
+ while not self.atEnd():
+ self.readNext()
+ if self.isEndElement() and self.name() == "Lexer":
+ break
+
+ if self.isStartElement():
+ if self.name() == "Style":
+ self.__readStyle(lexer)
+ else:
+ self.raiseUnexpectedStartTag(self.name())
+
+ def __readStyle(self, lexer):
+ """
+ Private method to read the style info.
+
+ @param lexer reference to the lexer object
+ """
+ if lexer is not None:
+ style = self.attribute("style")
+ if style:
+ style = int(style)
+ substyle = int(self.attribute("substyle", "-1"))
+ # -1 is default for base styles
+
+ styleDict = {
+ "style": style,
+ "substyle": substyle,
+ }
+
+ color = self.attribute("color")
+ if color:
+ styleDict["color"] = color
+ else:
+ styleDict["color"] = (
+ lexer.defaultColor(style, substyle).name()
+ )
+
+ paper = self.attribute("paper")
+ if paper:
+ styleDict["paper"] = paper
+ else:
+ styleDict["paper"] = (
+ lexer.defaultPaper(style, substyle).name()
+ )
+
+ fontStr = self.attribute("font")
+ if fontStr:
+ styleDict["font"] = fontStr
+ else:
+ styleDict["font"] = (
+ lexer.defaultFont(style, substyle).toString()
+ )
+
+ eolfill = self.attribute("eolfill")
+ if eolfill:
+ eolfill = self.toBool(eolfill)
+ if eolfill is None:
+ eolfill = lexer.defaulEolFill(style, substyle)
+ else:
+ eolfill = lexer.defaulEolFill(style, substyle)
+ styleDict["eolfill"] = eolfill
+
+ while not self.atEnd():
+ self.readNext()
+ if self.isStartElement():
+ if self.name() == "Description":
+ description = self.readElementText().strip()
+ if not description:
+ description = lexer.defaultDescription(
+ style, substyle)
+ styleDict["description"] = description
+ elif self.name() == "Words":
+ words = self.readElementText().strip()
+ if not words:
+ words = lexer.defaultWords(style, substyle)
+ styleDict["words"] = words
+
+ if self.isEndElement() and self.name() == "Style":
+ if "description" not in styleDict:
+ styleDict["description"] = ""
+ if "words" not in styleDict:
+ styleDict["words"] = ""
+ self.__lexersList[-1]["styles"].append(styleDict)
+ return
+
+ while not self.atEnd():
+ self.readNext()
+ if self.isEndElement() and self.name() == "Style":
+ break
