1# -*- coding: utf-8 -*-
2
3# Copyright (c) 2011 - 2021 Detlev Offenbach <detlev@die-offenbachs.de>
4#
5
6"""
7Module implementing a Matlab lexer with some additional methods.
8"""
9
10from PyQt5.Qsci import QsciLexerMatlab
11
12from .Lexer import Lexer
13
14
15class LexerMatlab(Lexer, QsciLexerMatlab):
16    """
17    Subclass to implement some additional lexer dependent methods.
18    """
19    def __init__(self, parent=None):
20        """
21        Constructor
22
23        @param parent parent widget of this lexer
24        """
25        QsciLexerMatlab.__init__(self, parent)
26        Lexer.__init__(self)
27
28        self.commentString = "%~"
29
30        self.keywordSetDescriptions = [
31            self.tr("Keywords"),
32        ]
33
34    def isCommentStyle(self, style):
35        """
36        Public method to check, if a style is a comment style.
37
38        @param style style to check (integer)
39        @return flag indicating a comment style (boolean)
40        """
41        return style in [QsciLexerMatlab.Comment]
42
43    def isStringStyle(self, style):
44        """
45        Public method to check, if a style is a string style.
46
47        @param style style to check (integer)
48        @return flag indicating a string style (boolean)
49        """
50        return style in [QsciLexerMatlab.DoubleQuotedString,
51                         QsciLexerMatlab.SingleQuotedString]
52
53    def defaultKeywords(self, kwSet):
54        """
55        Public method to get the default keywords.
56
57        @param kwSet number of the keyword set (integer)
58        @return string giving the keywords (string) or None
59        """
60        return QsciLexerMatlab.keywords(self, kwSet)
61