Mercurial Repositories > eric / file comparison
comparison: E5XML/HighlightingStylesReader.py
E5XML/HighlightingStylesReader.py
- changeset 593
- 32c9b36eec53
- child 791
- 9ec2ac20e54e
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| 592:3ad07054e658 | 593:32c9b36eec53 |
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| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2010 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 PyQt4.QtGui import QColor, QFont | |
| 12 | |
| 13 from .Config import highlightingStylesFileFormatVersion | |
| 14 from .XMLStreamReaderBase import XMLStreamReaderBase | |
| 15 | |
| 16 class HighlightingStylesReader(XMLStreamReaderBase): | |
| 17 """ | |
| 18 Class for reading a highlighting styles XML file. | |
| 19 """ | |
| 20 supportedVersions = ["4.3"] | |
| 21 | |
| 22 def __init__(self, device, lexers): | |
| 23 """ | |
| 24 Constructor | |
| 25 | |
| 26 @param device reference to the I/O device to read from (QIODevice) | |
| 27 @param lexers list of lexer objects for which to export the styles | |
| 28 """ | |
| 29 XMLStreamReaderBase.__init__(self, device) | |
| 30 | |
| 31 self.lexers = lexers | |
| 32 | |
| 33 self.version = "" | |
| 34 | |
| 35 def readXML(self): | |
| 36 """ | |
| 37 Public method to read and parse the XML document. | |
| 38 """ | |
| 39 while not self.atEnd(): | |
| 40 self.readNext() | |
| 41 if self.isStartElement(): | |
| 42 if self.name() == "HighlightingStyles": | |
| 43 self.version = self.attribute("version", | |
| 44 highlightingStylesFileFormatVersion) | |
| 45 if self.version not in self.supportedVersions: | |
| 46 self.raiseUnsupportedFormatVersion(self.version) | |
| 47 elif self.name() == "Lexer": | |
| 48 self.__readLexer() | |
| 49 else: | |
| 50 self.raiseUnexpectedStartTag(self.name()) | |
| 51 | |
| 52 self.showErrorMessage() | |
| 53 | |
| 54 def __readLexer(self): | |
| 55 """ | |
| 56 Private method to read the lexer info. | |
| 57 """ | |
| 58 language = self.attribute("name") | |
| 59 if language and language in self.lexers: | |
| 60 lexer = self.lexers[language] | |
| 61 else: | |
| 62 lexer = None | |
| 63 | |
| 64 while not self.atEnd(): | |
| 65 self.readNext() | |
| 66 if self.isEndElement() and self.name() == "Lexer": | |
| 67 break | |
| 68 | |
| 69 if self.isStartElement(): | |
| 70 if self.name() == "Style": | |
| 71 self.__readStyle(lexer) | |
| 72 else: | |
| 73 self.raiseUnexpectedStartTag(self.name()) | |
| 74 | |
| 75 def __readStyle(self, lexer): | |
| 76 """ | |
| 77 Private method to read the style info. | |
| 78 | |
| 79 @param lexer reference to the lexer object | |
| 80 """ | |
| 81 if lexer is not None: | |
| 82 style = self.attribute("style") | |
| 83 if style: | |
| 84 style = int(style) | |
| 85 | |
| 86 color = self.attribute("color") | |
| 87 if color: | |
| 88 color = QColor(color) | |
| 89 else: | |
| 90 color = lexer.defaultColor(style) | |
| 91 lexer.setColor(color, style) | |
| 92 | |
| 93 paper = self.attribute("paper") | |
| 94 if paper: | |
| 95 paper = QColor(paper) | |
| 96 else: | |
| 97 paper = lexer.defaultPaper(style) | |
| 98 lexer.setPaper(paper, style) | |
| 99 | |
| 100 fontStr = self.attribute("font") | |
| 101 if fontStr: | |
| 102 font = QFont() | |
| 103 font.fromString(fontStr) | |
| 104 else: | |
| 105 font = lexer.defaultFont(style) | |
| 106 lexer.setFont(font, style) | |
| 107 | |
| 108 eolfill = self.attribute("eolfill") | |
| 109 if eolfill: | |
| 110 eolfill = self.toBool(eolfill) | |
| 111 if eolfill is None: | |
| 112 eolfill = lexer.defaulEolFill(style) | |
| 113 else: | |
| 114 eolfill = lexer.defaulEolFill(style) | |
| 115 lexer.setEolFill(eolfill, style) | |
| 116 | |
| 117 while not self.atEnd(): | |
| 118 self.readNext() | |
| 119 if self.isEndElement() and self.name() == "Style": | |
| 120 break | |
| 121 | |
| 122 if self.isStartElement(): | |
| 123 self.raiseUnexpectedStartTag(self.name()) |
