Mercurial Repositories > eric / file comparison
comparison: eric6/QScintilla/Lexers/LexerContainer.py
eric6/QScintilla/Lexers/LexerContainer.py
- changeset 6942
- 2602857055c5
- parent 6645
- ad476851d7e0
- child 7229
- 53054eb5b15a
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| 6941:f99d60d6b59b | 6942:2602857055c5 |
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| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2008 - 2019 Detlev Offenbach <detlev@die-offenbachs.de> | |
| 4 # | |
| 5 | |
| 6 """ | |
| 7 Module implementing a base class for custom lexers. | |
| 8 """ | |
| 9 | |
| 10 from __future__ import unicode_literals | |
| 11 | |
| 12 from PyQt5.Qsci import QsciLexer | |
| 13 | |
| 14 from .Lexer import Lexer | |
| 15 | |
| 16 | |
| 17 class LexerContainer(Lexer, QsciLexer): | |
| 18 """ | |
| 19 Subclass as a base for the implementation of custom lexers. | |
| 20 """ | |
| 21 def __init__(self, parent=None): | |
| 22 """ | |
| 23 Constructor | |
| 24 | |
| 25 @param parent parent widget of this lexer | |
| 26 """ | |
| 27 QsciLexer.__init__(self, parent) | |
| 28 Lexer.__init__(self) | |
| 29 | |
| 30 self.editor = parent | |
| 31 | |
| 32 def language(self): | |
| 33 """ | |
| 34 Public method returning the language of the lexer. | |
| 35 | |
| 36 @return language of the lexer (string) | |
| 37 """ | |
| 38 return "Container" | |
| 39 | |
| 40 def lexer(self): | |
| 41 """ | |
| 42 Public method returning the type of the lexer. | |
| 43 | |
| 44 @return type of the lexer (string) | |
| 45 """ | |
| 46 if hasattr(self, 'lexerId'): | |
| 47 return None | |
| 48 else: | |
| 49 return "container" | |
| 50 | |
| 51 def description(self, style): | |
| 52 """ | |
| 53 Public method returning the descriptions of the styles supported | |
| 54 by the lexer. | |
| 55 | |
| 56 <b>Note</b>: This methods needs to be overridden by the lexer class. | |
| 57 | |
| 58 @param style style number (integer) | |
| 59 @return description for the given style (string) | |
| 60 """ | |
| 61 return "" | |
| 62 | |
| 63 def styleText(self, start, end): | |
| 64 """ | |
| 65 Public method to perform the styling. | |
| 66 | |
| 67 @param start position of first character to be styled (integer) | |
| 68 @param end position of last character to be styled (integer) | |
| 69 """ | |
| 70 self.editor.startStyling(start, 0x1f) | |
| 71 self.editor.setStyling(end - start + 1, 0) | |
| 72 | |
| 73 def keywords(self, kwSet): | |
| 74 """ | |
| 75 Public method to get the keywords. | |
| 76 | |
| 77 @param kwSet number of the keyword set (integer) | |
| 78 @return string giving the keywords (string) or None | |
| 79 """ | |
| 80 return Lexer.keywords(self, kwSet) |
