src/eric7/QScintilla/Lexers/LexerJSON.py

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eric7
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b99e7fd55fd3
parent 8881
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9208:3fc8dfeb6ebe 9209:b99e7fd55fd3
1 # -*- coding: utf-8 -*-
2
3 # Copyright (c) 2017 - 2022 Detlev Offenbach <detlev@die-offenbachs.de>
4 #
5
6 """
7 Module implementing a JSON lexer with some additional methods.
8 """
9
10 from PyQt6.Qsci import QsciLexerJSON
11
12 from .Lexer import Lexer
13 import Preferences
14
15
16 class LexerJSON(Lexer, QsciLexerJSON):
17 """
18 Subclass to implement some additional lexer dependent methods.
19 """
20 def __init__(self, parent=None):
21 """
22 Constructor
23
24 @param parent parent widget of this lexer
25 """
26 QsciLexerJSON.__init__(self, parent)
27 Lexer.__init__(self)
28
29 self.commentString = "//"
30 self.streamCommentString = {
31 'start': '/* ',
32 'end': ' */'
33 }
34
35 self.keywordSetDescriptions = [
36 self.tr("JSON Keywords"),
37 self.tr("JSON-LD Keywords"),
38 ]
39
40 def initProperties(self):
41 """
42 Public slot to initialize the properties.
43 """
44 self.setHighlightComments(
45 Preferences.getEditor("JSONHightlightComments"))
46 self.setHighlightEscapeSequences(
47 Preferences.getEditor("JSONHighlightEscapeSequences"))
48 self.setFoldCompact(
49 Preferences.getEditor("AllFoldCompact"))
50
51 def isCommentStyle(self, style):
52 """
53 Public method to check, if a style is a comment style.
54
55 @param style style to check (integer)
56 @return flag indicating a comment style (boolean)
57 """
58 return style in [QsciLexerJSON.CommentLine,
59 QsciLexerJSON.CommentBlock]
60
61 def isStringStyle(self, style):
62 """
63 Public method to check, if a style is a string style.
64
65 @param style style to check (integer)
66 @return flag indicating a string style (boolean)
67 """
68 return style in [QsciLexerJSON.String,
69 QsciLexerJSON.UnclosedString]
70
71 def defaultKeywords(self, kwSet):
72 """
73 Public method to get the default keywords.
74
75 @param kwSet number of the keyword set (integer)
76 @return string giving the keywords (string) or None
77 """
78 return QsciLexerJSON.keywords(self, kwSet)
79
80 def maximumKeywordSet(self):
81 """
82 Public method to get the maximum keyword set.
83
84 @return maximum keyword set (integer)
85 """
86 return 2

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