1# -*- coding: utf-8 -*-
2
3# Copyright (c) 2014 - 2021 Detlev Offenbach <detlev@die-offenbachs.de>
4#
5
6"""
7Module implementing a Gettext lexer with some additional methods.
8"""
9
10from PyQt5.Qsci import QsciLexerPO
11
12from .Lexer import Lexer
13import Preferences
14
15
16class LexerPO(Lexer, QsciLexerPO):
17    """
18    Subclass to implement some additional lexer dependant methods.
19    """
20    def __init__(self, parent=None):
21        """
22        Constructor
23
24        @param parent parent widget of this lexer
25        """
26        QsciLexerPO.__init__(self, parent)
27        Lexer.__init__(self)
28
29        self.commentString = "#"
30
31        self.keywordSetDescriptions = []
32
33    def initProperties(self):
34        """
35        Public slot to initialize the properties.
36        """
37        self.setFoldComments(Preferences.getEditor("PoFoldComment"))
38        self.setFoldCompact(Preferences.getEditor("AllFoldCompact"))
39
40    def isCommentStyle(self, style):
41        """
42        Public method to check, if a style is a comment style.
43
44        @param style style to check (integer)
45        @return flag indicating a comment style (boolean)
46        """
47        return style in [QsciLexerPO.Comment, QsciLexerPO.ProgrammerComment]
48
49    def isStringStyle(self, style):
50        """
51        Public method to check, if a style is a string style.
52
53        @param style style to check (integer)
54        @return flag indicating a string style (boolean)
55        """
56        return style in [QsciLexerPO.MessageIdText,
57                         QsciLexerPO.MessageStringText,
58                         QsciLexerPO.MessageContextText]
59
60    def defaultKeywords(self, kwSet):
61        """
62        Public method to get the default keywords.
63
64        @param kwSet number of the keyword set (integer)
65        @return string giving the keywords (string) or None
66        """
67        return QsciLexerPO.keywords(self, kwSet)
68