Mercurial Repositories > eric / file comparison
comparison: QScintilla/Lexers/LexerContainer.py
QScintilla/Lexers/LexerContainer.py
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| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2008 - 2009 Detlev Offenbach <detlev@die-offenbachs.de> | |
| 4 # | |
| 5 | |
| 6 """ | |
| 7 Module implementing a base class for custom lexers. | |
| 8 """ | |
| 9 | |
| 10 from PyQt4.Qsci import QsciLexer | |
| 11 | |
| 12 from Lexer import Lexer | |
| 13 | |
| 14 class LexerContainer(QsciLexer, Lexer): | |
| 15 """ | |
| 16 Subclass as a base for the implementation of custom lexers. | |
| 17 """ | |
| 18 def __init__(self, parent = None): | |
| 19 """ | |
| 20 Constructor | |
| 21 | |
| 22 @param parent parent widget of this lexer | |
| 23 """ | |
| 24 QsciLexer.__init__(self, parent) | |
| 25 Lexer.__init__(self) | |
| 26 | |
| 27 self.editor = parent | |
| 28 | |
| 29 def language(self): | |
| 30 """ | |
| 31 Public method returning the language of the lexer. | |
| 32 | |
| 33 @return language of the lexer (string) | |
| 34 """ | |
| 35 return "Container" | |
| 36 | |
| 37 def lexer(self): | |
| 38 """ | |
| 39 Public method returning the type of the lexer. | |
| 40 | |
| 41 @return type of the lexer (string) | |
| 42 """ | |
| 43 if hasattr(self, 'lexerId'): | |
| 44 return None | |
| 45 else: | |
| 46 return "container" | |
| 47 | |
| 48 def description(self, style): | |
| 49 """ | |
| 50 Public method returning the descriptions of the styles supported | |
| 51 by the lexer. | |
| 52 | |
| 53 <b>Note</b>: This methods needs to be overridden by the lexer class. | |
| 54 | |
| 55 @param style style number (integer) | |
| 56 @return description for the given style (string) | |
| 57 """ | |
| 58 return "" | |
| 59 | |
| 60 def styleBitsNeeded(self): | |
| 61 """ | |
| 62 Public method to get the number of style bits needed by the lexer. | |
| 63 | |
| 64 @return number of style bits needed (integer) | |
| 65 """ | |
| 66 return 5 | |
| 67 | |
| 68 def styleText(self, start, end): | |
| 69 """ | |
| 70 Public method to perform the styling. | |
| 71 | |
| 72 @param start position of first character to be styled (integer) | |
| 73 @param end position of last character to be styled (integer) | |
| 74 """ | |
| 75 self.editor.startStyling(start, 0x1f) | |
| 76 self.editor.setStyling(end - start + 1, 0) |
