Mercurial Repositories > eric / file diff

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/eric7/QScintilla/Lexers/LexerSQL.py	Sat May 15 18:45:04 2021 +0200
@@ -0,0 +1,96 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2003 - 2021 Detlev Offenbach <detlev@die-offenbachs.de>
+#
+
+"""
+Module implementing a SQL lexer with some additional methods.
+"""
+
+import contextlib
+
+from PyQt5.Qsci import QsciLexerSQL
+
+from .Lexer import Lexer
+import Preferences
+
+
+class LexerSQL(Lexer, QsciLexerSQL):
+    """
+    Subclass to implement some additional lexer dependant methods.
+    """
+    def __init__(self, parent=None):
+        """
+        Constructor
+        
+        @param parent parent widget of this lexer
+        """
+        QsciLexerSQL.__init__(self, parent)
+        Lexer.__init__(self)
+        
+        self.commentString = "--"
+        
+        self.keywordSetDescriptions = [
+            self.tr("Keywords"),
+            self.tr("Database Objects"),
+            self.tr("PLDoc"),
+            self.tr("SQL*Plus"),
+            self.tr("Standard Packages"),
+            self.tr("User defined 1"),
+            self.tr("User defined 2"),
+            self.tr("User defined 3"),
+        ]
+    
+    def initProperties(self):
+        """
+        Public slot to initialize the properties.
+        """
+        self.setFoldComments(Preferences.getEditor("SqlFoldComment"))
+        self.setBackslashEscapes(Preferences.getEditor("SqlBackslashEscapes"))
+        self.setFoldCompact(Preferences.getEditor("AllFoldCompact"))
+        with contextlib.suppress(AttributeError):
+            self.setDottedWords(Preferences.getEditor("SqlDottedWords"))
+            self.setFoldAtElse(Preferences.getEditor("SqlFoldAtElse"))
+            self.setFoldOnlyBegin(Preferences.getEditor("SqlFoldOnlyBegin"))
+            self.setHashComments(Preferences.getEditor("SqlHashComments"))
+            self.setQuotedIdentifiers(
+                Preferences.getEditor("SqlQuotedIdentifiers"))
+    
+    def isCommentStyle(self, style):
+        """
+        Public method to check, if a style is a comment style.
+        
+        @param style style to check (integer)
+        @return flag indicating a comment style (boolean)
+        """
+        return style in [QsciLexerSQL.Comment,
+                         QsciLexerSQL.CommentDoc,
+                         QsciLexerSQL.CommentLine,
+                         QsciLexerSQL.CommentLineHash]
+    
+    def isStringStyle(self, style):
+        """
+        Public method to check, if a style is a string style.
+        
+        @param style style to check (integer)
+        @return flag indicating a string style (boolean)
+        """
+        return style in [QsciLexerSQL.DoubleQuotedString,
+                         QsciLexerSQL.SingleQuotedString]
+    
+    def defaultKeywords(self, kwSet):
+        """
+        Public method to get the default keywords.
+        
+        @param kwSet number of the keyword set (integer)
+        @return string giving the keywords (string) or None
+        """
+        return QsciLexerSQL.keywords(self, kwSet)
+    
+    def maximumKeywordSet(self):
+        """
+        Public method to get the maximum keyword set.
+        
+        @return maximum keyword set (integer)
+        """
+        return 8