新增sql连接，目前支持mysql、sqlite、oracle连接以及相关数据库操作

2026-06-26 10:36:47 +08:00
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+// This defines the interface to the QsciLexerPython class.
+//
+// Copyright (c) 2023 Riverbank Computing Limited <info@riverbankcomputing.com>
+// 
+// This file is part of QScintilla.
+// 
+// This file may be used under the terms of the GNU General Public License
+// version 3.0 as published by the Free Software Foundation and appearing in
+// the file LICENSE included in the packaging of this file.  Please review the
+// following information to ensure the GNU General Public License version 3.0
+// requirements will be met: http://www.gnu.org/copyleft/gpl.html.
+// 
+// If you do not wish to use this file under the terms of the GPL version 3.0
+// then you may purchase a commercial license.  For more information contact
+// info@riverbankcomputing.com.
+// 
+// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+
+
+#ifndef QSCILEXERPYTHON_H
+#define QSCILEXERPYTHON_H
+
+#include <QObject>
+
+#include <Qsci/qsciglobal.h>
+#include <Qsci/qscilexer.h>
+#include "Qsci/qsciscintillabase.h"
+
+
+//! \brief The QsciLexerPython class encapsulates the Scintilla Python lexer.
+class QSCINTILLA_EXPORT QsciLexerPython : public QsciLexer
+{
+    Q_OBJECT
+
+public:
+    //! This enum defines the meanings of the different styles used by the
+    //! Python lexer.
+    enum {
+        //! The default.
+        Default = 0,
+
+        //! A comment.
+        Comment = 1,
+
+        //! A number.
+        Number = 2,
+
+        //! A double-quoted string.
+        DoubleQuotedString = 3,
+
+        //! A single-quoted string.
+        SingleQuotedString = 4,
+
+        //! A keyword.
+        Keyword = 5,
+
+        //! A triple single-quoted string.
+        TripleSingleQuotedString = 6,
+
+        //! A triple double-quoted string.
+        TripleDoubleQuotedString = 7,
+
+        //! The name of a class.
+        ClassName = 8,
+
+        //! The name of a function or method.
+        FunctionMethodName = 9,
+
+        //! An operator.
+        Operator = 10,
+
+        //! An identifier
+        Identifier = 11,
+
+        //! A comment block.
+        CommentBlock = 12,
+
+        //! The end of a line where a string is not closed.
+        UnclosedString = 13,
+
+        //! A highlighted identifier.  These are defined by keyword set
+        //! 2.  Reimplement keywords() to define keyword set 2.
+        HighlightedIdentifier = 14,
+
+        //! A decorator.
+        Decorator = 15,
+
+        //! A double-quoted f-string.
+        DoubleQuotedFString = 16,
+
+        //! A single-quoted f-string.
+        SingleQuotedFString = 17,
+
+        //! A triple single-quoted f-string.
+        TripleSingleQuotedFString = 18,
+
+        //! A triple double-quoted f-string.
+        TripleDoubleQuotedFString = 19,
+    };
+
+    //! This enum defines the different conditions that can cause
+    //! indentations to be displayed as being bad.
+    enum IndentationWarning {
+        //! Bad indentation is not displayed differently.
+        NoWarning = 0,
+
+        //! The indentation is inconsistent when compared to the
+        //! previous line, ie. it is made up of a different combination
+        //! of tabs and/or spaces.
+        Inconsistent = 1,
+
+        //! The indentation is made up of spaces followed by tabs.
+        TabsAfterSpaces = 2,
+
+        //! The indentation contains spaces.
+        Spaces = 3,
+
+        //! The indentation contains tabs.
+        Tabs = 4
+    };
+
+    //! Construct a QsciLexerPython with parent \a parent.  \a parent is
+    //! typically the QsciScintilla instance.
+    QsciLexerPython(QObject *parent = 0);
+
+    //! Destroys the QsciLexerPython instance.
+    virtual ~QsciLexerPython();
+
+    //! Returns the name of the language.
+    const char *language() const;
+
+    //! Returns the name of the lexer.  Some lexers support a number of
+    //! languages.
+    const char *lexer() const;
+
+    //! \internal Returns the character sequences that can separate
+    //! auto-completion words.
+    QStringList autoCompletionWordSeparators() const;
+
+    //! \internal Returns the number of lines prior to the current one when
+    //! determining the scope of a block when auto-indenting.
+    int blockLookback() const;
+
+    //! \internal Returns a space separated list of words or characters in
+    //! a particular style that define the start of a block for
+    //! auto-indentation.  The styles is returned via \a style.
+    const char *blockStart(int *style = 0) const;
+
+    //! \internal Returns the style used for braces for brace matching.
+    int braceStyle() const;
+
+    //! Returns the foreground colour of the text for style number \a style.
+    //!
+    //! \sa defaultPaper()
+    QColor defaultColor(int style) const;
+
+    //! Returns the end-of-line fill for style number \a style.
+    bool defaultEolFill(int style) const;
+
+    //! Returns the font for style number \a style.
+    QFont defaultFont(int style) const;
+
+    //! Returns the background colour of the text for style number \a style.
+    //!
+    //! \sa defaultColor()
+    QColor defaultPaper(int style) const;
+
+    //! \internal Returns the view used for indentation guides.
+    virtual int indentationGuideView() const;
+
+    //! Returns the set of keywords for the keyword set \a set recognised
+    //! by the lexer as a space separated string.
+    const char *keywords(int set) const;
+
+    //! Returns the descriptive name for style number \a style.  If the
+    //! style is invalid for this language then an empty QString is returned.
+    //! This is intended to be used in user preference dialogs.
+    QString description(int style) const;
+
+    //! Causes all properties to be refreshed by emitting the
+    //! propertyChanged() signal as required.
+    void refreshProperties();
+
+    //! Returns true if indented comment blocks can be folded.
+    //!
+    //! \sa setFoldComments()
+    bool foldComments() const {return fold_comments;}
+
+    //! If \a fold is true then trailing blank lines are included in a fold
+    //! block. The default is true.
+    //!
+    //! \sa foldCompact()
+    void setFoldCompact(bool fold);
+
+    //! Returns true if trailing blank lines are included in a fold block.
+    //!
+    //! \sa setFoldCompact()
+    bool foldCompact() const {return fold_compact;}
+
+    //! Returns true if triple quoted strings can be folded.
+    //!
+    //! \sa setFoldQuotes()
+    bool foldQuotes() const {return fold_quotes;}
+
+    //! Returns the condition that will cause bad indentations to be
+    //! displayed.
+    //!
+    //! \sa setIndentationWarning()
+    QsciLexerPython::IndentationWarning indentationWarning() const {return indent_warn;}
+
+    //! If \a enabled is true then sub-identifiers defined in keyword set 2
+    //! will be highlighted.  For example, if it is false and "open" is defined
+    //! in keyword set 2 then "foo.open" will not be highlighted.  The default
+    //! is true.
+    //!
+    //! \sa highlightSubidentifiers()
+    void setHighlightSubidentifiers(bool enabled);
+
+    //! Returns true if string literals are allowed to span newline characters.
+    //!
+    //! \sa setHighlightSubidentifiers()
+    bool highlightSubidentifiers() const {return highlight_subids;}
+
+    //! If \a allowed is true then string literals are allowed to span newline
+    //! characters.  The default is false.
+    //!
+    //! \sa stringsOverNewlineAllowed()
+    void setStringsOverNewlineAllowed(bool allowed);
+
+    //! Returns true if string literals are allowed to span newline characters.
+    //!
+    //! \sa setStringsOverNewlineAllowed()
+    bool stringsOverNewlineAllowed() const {return strings_over_newline;}
+
+    //! If \a allowed is true then Python v2 unicode string literals (e.g.
+    //! u"utf8") are allowed.  The default is true.
+    //!
+    //! \sa v2UnicodeAllowed()
+    void setV2UnicodeAllowed(bool allowed);
+
+    //! Returns true if Python v2 unicode string literals (e.g. u"utf8") are
+    //! allowed.
+    //!
+    //! \sa setV2UnicodeAllowed()
+    bool v2UnicodeAllowed() const {return v2_unicode;}
+
+    //! If \a allowed is true then Python v3 binary and octal literals (e.g.
+    //! 0b1011, 0o712) are allowed.  The default is true.
+    //!
+    //! \sa v3BinaryOctalAllowed()
+    void setV3BinaryOctalAllowed(bool allowed);
+
+    //! Returns true if Python v3 binary and octal literals (e.g. 0b1011,
+    //! 0o712) are allowed.
+    //!
+    //! \sa setV3BinaryOctalAllowed()
+    bool v3BinaryOctalAllowed() const {return v3_binary_octal;}
+
+    //! If \a allowed is true then Python v3 bytes string literals (e.g.
+    //! b"bytes") are allowed.  The default is true.
+    //!
+    //! \sa v3BytesAllowed()
+    void setV3BytesAllowed(bool allowed);
+
+    //! Returns true if Python v3 bytes string literals (e.g. b"bytes") are
+    //! allowed.
+    //!
+    //! \sa setV3BytesAllowed()
+    bool v3BytesAllowed() const {return v3_bytes;}
+
+public slots:
+    //! If \a fold is true then indented comment blocks can be folded.  The
+    //! default is false.
+    //!
+    //! \sa foldComments()
+    virtual void setFoldComments(bool fold);
+
+    //! If \a fold is true then triple quoted strings can be folded.  The
+    //! default is false.
+    //!
+    //! \sa foldQuotes()
+    virtual void setFoldQuotes(bool fold);
+
+    //! Sets the condition that will cause bad indentations to be
+    //! displayed.
+    //!
+    //! \sa indentationWarning()
+    virtual void setIndentationWarning(QsciLexerPython::IndentationWarning warn);
+
+protected:
+    //! The lexer's properties are read from the settings \a qs.  \a prefix
+    //! (which has a trailing '/') should be used as a prefix to the key of
+    //! each setting.  true is returned if there is no error.
+    //!
+    bool readProperties(QSettings &qs,const QString &prefix);
+
+    //! The lexer's properties are written to the settings \a qs.
+    //! \a prefix (which has a trailing '/') should be used as a prefix to
+    //! the key of each setting.  true is returned if there is no error.
+    //!
+    bool writeProperties(QSettings &qs,const QString &prefix) const;
+
+private:
+    void setCommentProp();
+    void setCompactProp();
+    void setQuotesProp();
+    void setTabWhingeProp();
+    void setStringsOverNewlineProp();
+    void setV2UnicodeProp();
+    void setV3BinaryOctalProp();
+    void setV3BytesProp();
+    void setHighlightSubidsProp();
+
+    bool fold_comments;
+    bool fold_compact;
+    bool fold_quotes;
+    IndentationWarning indent_warn;
+    bool strings_over_newline;
+    bool v2_unicode;
+    bool v3_binary_octal;
+    bool v3_bytes;
+    bool highlight_subids;
+
+    friend class QsciLexerHTML;
+
+    static const char *keywordClass;
+
+    QsciLexerPython(const QsciLexerPython &);
+    QsciLexerPython &operator=(const QsciLexerPython &);
+};
+
+#endif