Mercurial Repositories > eric / file comparison
comparison: src/eric7/EricXML/HighlightingStylesReader.py
src/eric7/EricXML/HighlightingStylesReader.py
- branch
- eric7
- changeset 9209
- b99e7fd55fd3
- parent 8881
- 54e42bc2437a
- child 9221
- bf71ee032bb4
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| 9208:3fc8dfeb6ebe | 9209:b99e7fd55fd3 |
|---|---|
| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2010 - 2022 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 .Config import highlightingStylesFileFormatVersion | |
| 12 from .XMLStreamReaderBase import XMLStreamReaderBase | |
| 13 | |
| 14 | |
| 15 class HighlightingStylesReader(XMLStreamReaderBase): | |
| 16 """ | |
| 17 Class for reading a highlighting styles XML file. | |
| 18 """ | |
| 19 supportedVersions = ["4.3", "6.0"] | |
| 20 | |
| 21 def __init__(self, device, lexers): | |
| 22 """ | |
| 23 Constructor | |
| 24 | |
| 25 @param device reference to the I/O device to read from (QIODevice) | |
| 26 @param lexers dictionary of lexer objects for which to import the | |
| 27 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 @return list of read lexer style definitions | |
| 40 @rtype list of dict | |
| 41 """ | |
| 42 self.__lexersList = [] | |
| 43 | |
| 44 while not self.atEnd(): | |
| 45 self.readNext() | |
| 46 if self.isStartElement(): | |
| 47 if self.name() == "HighlightingStyles": | |
| 48 self.version = self.attribute( | |
| 49 "version", | |
| 50 highlightingStylesFileFormatVersion) | |
| 51 if self.version not in self.supportedVersions: | |
| 52 self.raiseUnsupportedFormatVersion(self.version) | |
| 53 elif self.name() == "Lexer": | |
| 54 self.__readLexer() | |
| 55 else: | |
| 56 self.raiseUnexpectedStartTag(self.name()) | |
| 57 | |
| 58 self.showErrorMessage() | |
| 59 | |
| 60 return self.__lexersList | |
| 61 | |
| 62 def __readLexer(self): | |
| 63 """ | |
| 64 Private method to read the lexer info. | |
| 65 """ | |
| 66 language = self.attribute("name") | |
| 67 self.__lexersList.append({ | |
| 68 "name": language, | |
| 69 "styles": [], | |
| 70 }) | |
| 71 lexer = ( | |
| 72 self.lexers[language] | |
| 73 if language and language in self.lexers else | |
| 74 None | |
| 75 ) | |
| 76 | |
| 77 while not self.atEnd(): | |
| 78 self.readNext() | |
| 79 if self.isEndElement() and self.name() == "Lexer": | |
| 80 break | |
| 81 | |
| 82 if self.isStartElement(): | |
| 83 if self.name() == "Style": | |
| 84 self.__readStyle(lexer) | |
| 85 else: | |
| 86 self.raiseUnexpectedStartTag(self.name()) | |
| 87 | |
| 88 def __readStyle(self, lexer): | |
| 89 """ | |
| 90 Private method to read the style info. | |
| 91 | |
| 92 @param lexer reference to the lexer object | |
| 93 """ | |
| 94 if lexer is not None: | |
| 95 style = self.attribute("style") | |
| 96 if style: | |
| 97 style = int(style) | |
| 98 substyle = int(self.attribute("substyle", "-1")) | |
| 99 # -1 is default for base styles | |
| 100 | |
| 101 styleDict = { | |
| 102 "style": style, | |
| 103 "substyle": substyle, | |
| 104 } | |
| 105 | |
| 106 color = self.attribute("color") | |
| 107 if color: | |
| 108 styleDict["color"] = color | |
| 109 else: | |
| 110 styleDict["color"] = ( | |
| 111 lexer.defaultColor(style, substyle).name() | |
| 112 ) | |
| 113 | |
| 114 paper = self.attribute("paper") | |
| 115 if paper: | |
| 116 styleDict["paper"] = paper | |
| 117 else: | |
| 118 styleDict["paper"] = ( | |
| 119 lexer.defaultPaper(style, substyle).name() | |
| 120 ) | |
| 121 | |
| 122 fontStr = self.attribute("font") | |
| 123 if fontStr: | |
| 124 styleDict["font"] = fontStr | |
| 125 else: | |
| 126 styleDict["font"] = ( | |
| 127 lexer.defaultFont(style, substyle).toString() | |
| 128 ) | |
| 129 | |
| 130 eolfill = self.attribute("eolfill") | |
| 131 if eolfill: | |
| 132 eolfill = self.toBool(eolfill) | |
| 133 if eolfill is None: | |
| 134 eolfill = lexer.defaulEolFill(style, substyle) | |
| 135 else: | |
| 136 eolfill = lexer.defaulEolFill(style, substyle) | |
| 137 styleDict["eolfill"] = eolfill | |
| 138 | |
| 139 while not self.atEnd(): | |
| 140 self.readNext() | |
| 141 if self.isStartElement(): | |
| 142 if self.name() == "Description": | |
| 143 description = self.readElementText().strip() | |
| 144 if not description: | |
| 145 description = lexer.defaultDescription( | |
| 146 style, substyle) | |
| 147 styleDict["description"] = description | |
| 148 elif self.name() == "Words": | |
| 149 words = self.readElementText().strip() | |
| 150 if not words: | |
| 151 words = lexer.defaultWords(style, substyle) | |
| 152 styleDict["words"] = words | |
| 153 | |
| 154 if self.isEndElement() and self.name() == "Style": | |
| 155 if "description" not in styleDict: | |
| 156 styleDict["description"] = "" | |
| 157 if "words" not in styleDict: | |
| 158 styleDict["words"] = "" | |
| 159 self.__lexersList[-1]["styles"].append(styleDict) | |
| 160 return | |
| 161 | |
| 162 while not self.atEnd(): | |
| 163 self.readNext() | |
| 164 if self.isEndElement() and self.name() == "Style": | |
| 165 break |
