1# -*- coding: utf-8 -*-
2
3# Copyright (c) 2005 - 2021 Detlev Offenbach <detlev@die-offenbachs.de>
4#
5
6"""
7Module implementing a Properties lexer with some additional methods.
8"""
9
10import contextlib
11
12from PyQt5.Qsci import QsciLexerProperties
13
14from .Lexer import Lexer
15import Preferences
16
17
18class LexerProperties(Lexer, QsciLexerProperties):
19    """
20    Subclass to implement some additional lexer dependant methods.
21    """
22    def __init__(self, parent=None):
23        """
24        Constructor
25
26        @param parent parent widget of this lexer
27        """
28        QsciLexerProperties.__init__(self, parent)
29        Lexer.__init__(self)
30
31        self.commentString = "#"
32
33        self.keywordSetDescriptions = []
34
35    def initProperties(self):
36        """
37        Public slot to initialize the properties.
38        """
39        self.setFoldCompact(Preferences.getEditor("AllFoldCompact"))
40        with contextlib.suppress(AttributeError):
41            self.setInitialSpaces(
42                Preferences.getEditor("PropertiesInitialSpaces"))
43
44    def isCommentStyle(self, style):
45        """
46        Public method to check, if a style is a comment style.
47
48        @param style style to check (integer)
49        @return flag indicating a comment style (boolean)
50        """
51        return style in [QsciLexerProperties.Comment]
52
53    def isStringStyle(self, style):
54        """
55        Public method to check, if a style is a string style.
56
57        @param style style to check (integer)
58        @return flag indicating a string style (boolean)
59        """
60        return False
61
62    def defaultKeywords(self, kwSet):
63        """
64        Public method to get the default keywords.
65
66        @param kwSet number of the keyword set (integer)
67        @return string giving the keywords (string) or None
68        """
69        return QsciLexerProperties.keywords(self, kwSet)
70