Mercurial Repositories > eric / file comparison
comparison: eric6/E5XML/HighlightingStylesReader.py
eric6/E5XML/HighlightingStylesReader.py
- changeset 6942
- 2602857055c5
- parent 6863
- e900929889dd
- child 7229
- 53054eb5b15a
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| 6941:f99d60d6b59b | 6942:2602857055c5 |
|---|---|
| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2010 - 2019 Detlev Offenbach <detlev@die-offenbachs.de> | |
| 4 # | |
| 5 | |
| 6 | |
| 7 """ | |
| 8 Module implementing a class for reading a highlighting styles XML file. | |
| 9 """ | |
| 10 | |
| 11 from __future__ import unicode_literals | |
| 12 | |
| 13 from PyQt5.QtGui import QColor, QFont | |
| 14 | |
| 15 from .Config import highlightingStylesFileFormatVersion | |
| 16 from .XMLStreamReaderBase import XMLStreamReaderBase | |
| 17 | |
| 18 | |
| 19 class HighlightingStylesReader(XMLStreamReaderBase): | |
| 20 """ | |
| 21 Class for reading a highlighting styles XML file. | |
| 22 """ | |
| 23 supportedVersions = ["4.3", "6.0"] | |
| 24 | |
| 25 def __init__(self, device, lexers): | |
| 26 """ | |
| 27 Constructor | |
| 28 | |
| 29 @param device reference to the I/O device to read from (QIODevice) | |
| 30 @param lexers list of lexer objects for which to export the styles | |
| 31 """ | |
| 32 XMLStreamReaderBase.__init__(self, device) | |
| 33 | |
| 34 self.lexers = lexers | |
| 35 | |
| 36 self.version = "" | |
| 37 | |
| 38 def readXML(self): | |
| 39 """ | |
| 40 Public method to read and parse the XML document. | |
| 41 """ | |
| 42 while not self.atEnd(): | |
| 43 self.readNext() | |
| 44 if self.isStartElement(): | |
| 45 if self.name() == "HighlightingStyles": | |
| 46 self.version = self.attribute( | |
| 47 "version", | |
| 48 highlightingStylesFileFormatVersion) | |
| 49 if self.version not in self.supportedVersions: | |
| 50 self.raiseUnsupportedFormatVersion(self.version) | |
| 51 elif self.name() == "Lexer": | |
| 52 self.__readLexer() | |
| 53 else: | |
| 54 self.raiseUnexpectedStartTag(self.name()) | |
| 55 | |
| 56 self.showErrorMessage() | |
| 57 | |
| 58 def __readLexer(self): | |
| 59 """ | |
| 60 Private method to read the lexer info. | |
| 61 """ | |
| 62 language = self.attribute("name") | |
| 63 if language and language in self.lexers: | |
| 64 lexer = self.lexers[language] | |
| 65 else: | |
| 66 lexer = None | |
| 67 | |
| 68 while not self.atEnd(): | |
| 69 self.readNext() | |
| 70 if self.isEndElement() and self.name() == "Lexer": | |
| 71 break | |
| 72 | |
| 73 if self.isStartElement(): | |
| 74 if self.name() == "Style": | |
| 75 self.__readStyle(lexer) | |
| 76 else: | |
| 77 self.raiseUnexpectedStartTag(self.name()) | |
| 78 | |
| 79 def __readStyle(self, lexer): | |
| 80 """ | |
| 81 Private method to read the style info. | |
| 82 | |
| 83 @param lexer reference to the lexer object | |
| 84 """ | |
| 85 if lexer is not None: | |
| 86 style = self.attribute("style") | |
| 87 if style: | |
| 88 style = int(style) | |
| 89 substyle = int(self.attribute("substyle", "-1")) | |
| 90 # -1 is default for base styles | |
| 91 | |
| 92 # add sub-style if not already there | |
| 93 if not lexer.hasStyle(style, substyle): | |
| 94 substyle = lexer.addSubstyle(style) | |
| 95 | |
| 96 color = self.attribute("color") | |
| 97 if color: | |
| 98 color = QColor(color) | |
| 99 else: | |
| 100 color = lexer.defaultColor(style, substyle) | |
| 101 lexer.setColor(color, style, substyle) | |
| 102 | |
| 103 paper = self.attribute("paper") | |
| 104 if paper: | |
| 105 paper = QColor(paper) | |
| 106 else: | |
| 107 paper = lexer.defaultPaper(style, substyle) | |
| 108 lexer.setPaper(paper, style, substyle) | |
| 109 | |
| 110 fontStr = self.attribute("font") | |
| 111 if fontStr: | |
| 112 font = QFont() | |
| 113 font.fromString(fontStr) | |
| 114 else: | |
| 115 font = lexer.defaultFont(style, substyle) | |
| 116 lexer.setFont(font, style, substyle) | |
| 117 | |
| 118 eolfill = self.attribute("eolfill") | |
| 119 if eolfill: | |
| 120 eolfill = self.toBool(eolfill) | |
| 121 if eolfill is None: | |
| 122 eolfill = lexer.defaulEolFill(style, substyle) | |
| 123 else: | |
| 124 eolfill = lexer.defaulEolFill(style, substyle) | |
| 125 lexer.setEolFill(eolfill, style, substyle) | |
| 126 | |
| 127 while not self.atEnd(): | |
| 128 self.readNext() | |
| 129 if self.isStartElement(): | |
| 130 if self.name() == "Description" and substyle >= 0: | |
| 131 # description can only be set for sub-styles | |
| 132 description = self.readElementText().strip() | |
| 133 if not description: | |
| 134 description = lexer.defaultDescription( | |
| 135 style, substyle) | |
| 136 lexer.setDescription(description, style, substyle) | |
| 137 elif self.name() == "Words" and substyle >= 0: | |
| 138 # words can only be set for sub-styles | |
| 139 words = self.readElementText().strip() | |
| 140 if not words: | |
| 141 words = lexer.defaultWords(style, substyle) | |
| 142 lexer.setWords(words, style, substyle) | |
| 143 | |
| 144 if self.isEndElement() and self.name() == "Style": | |
| 145 return | |
| 146 | |
| 147 while not self.atEnd(): | |
| 148 self.readNext() | |
| 149 if self.isEndElement() and self.name() == "Style": | |
| 150 break |
