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1 # -*- coding: utf-8 -*- |
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2 |
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3 # Copyright (c) 2017 Detlev Offenbach <detlev@die-offenbachs.de> |
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4 # |
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5 |
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6 """ |
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7 Module implementing a JSON lexer with some additional methods. |
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8 """ |
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9 |
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10 from __future__ import unicode_literals |
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11 |
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12 from PyQt5.Qsci import QsciLexerJSON |
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13 |
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14 from .Lexer import Lexer |
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15 import Preferences |
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16 |
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17 |
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18 class LexerJSON(Lexer, QsciLexerJSON): |
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19 """ |
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20 Subclass to implement some additional lexer dependent methods. |
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21 """ |
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22 def __init__(self, parent=None): |
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23 """ |
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24 Constructor |
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25 |
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26 @param parent parent widget of this lexer |
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27 """ |
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28 QsciLexerJSON.__init__(self, parent) |
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29 Lexer.__init__(self) |
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30 |
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31 self.commentString = "//" |
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32 self.streamCommentString = { |
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33 'start': '/* ', |
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34 'end': ' */' |
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35 } |
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36 |
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37 def initProperties(self): |
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38 """ |
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39 Public slot to initialize the properties. |
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40 """ |
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41 self.setHighlightComments( |
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42 Preferences.getEditor("JSONHightlightComments")) |
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43 self.setHighlightEscapeSequences( |
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44 Preferences.getEditor("JSONHighlightEscapeSequences")) |
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45 self.setFoldCompact( |
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46 Preferences.getEditor("AllFoldCompact")) |
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47 |
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48 def isCommentStyle(self, style): |
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49 """ |
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50 Public method to check, if a style is a comment style. |
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51 |
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52 @param style style to check (integer) |
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53 @return flag indicating a comment style (boolean) |
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54 """ |
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55 return style in [QsciLexerJSON.CommentLine, |
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56 QsciLexerJSON.CommentBlock] |
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57 |
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58 def isStringStyle(self, style): |
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59 """ |
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60 Public method to check, if a style is a string style. |
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61 |
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62 @param style style to check (integer) |
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63 @return flag indicating a string style (boolean) |
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64 """ |
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65 return style in [QsciLexerJSON.String, |
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66 QsciLexerJSON.UnclosedString] |
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67 |
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68 def defaultKeywords(self, kwSet): |
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69 """ |
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70 Public method to get the default keywords. |
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71 |
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72 @param kwSet number of the keyword set (integer) |
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73 @return string giving the keywords (string) or None |
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74 """ |
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75 return QsciLexerJSON.keywords(self, kwSet) |
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76 |
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77 def maximumKeywordSet(self): |
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78 """ |
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79 Public method to get the maximum keyword set. |
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80 |
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81 @return maximum keyword set (integer) |
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82 """ |
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83 return 2 |