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
commit 903d805f31
238 changed files with 86008 additions and 0 deletions
@@ -0,0 +1,286 @@
+// This defines the interface to the QsciLexerSQL 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 QSCILEXERSQL_H
+#define QSCILEXERSQL_H
+
+#include <QObject>
+
+#include <Qsci/qsciglobal.h>
+#include <Qsci/qscilexer.h>
+
+
+//! \brief The QsciLexerSQL class encapsulates the Scintilla SQL lexer.
+class QSCINTILLA_EXPORT QsciLexerSQL : public QsciLexer
+{
+    Q_OBJECT
+
+public:
+    //! This enum defines the meanings of the different styles used by the
+    //! SQL lexer.
+    enum {
+        //! The default.
+        Default = 0,
+
+        //! A comment.
+        Comment = 1,
+
+        //! A line comment.
+        CommentLine = 2,
+
+        //! A JavaDoc/Doxygen style comment.
+        CommentDoc = 3,
+
+        //! A number.
+        Number = 4,
+
+        //! A keyword.
+        Keyword = 5,
+
+        //! A double-quoted string.
+        DoubleQuotedString = 6,
+
+        //! A single-quoted string.
+        SingleQuotedString = 7,
+
+        //! An SQL*Plus keyword.
+        PlusKeyword = 8,
+
+        //! An SQL*Plus prompt.
+        PlusPrompt = 9,
+
+        //! An operator.
+        Operator = 10,
+
+        //! An identifier
+        Identifier = 11,
+
+        //! An SQL*Plus comment.
+        PlusComment = 13,
+
+        //! A '#' line comment.
+        CommentLineHash = 15,
+
+        //! A JavaDoc/Doxygen keyword.
+        CommentDocKeyword = 17,
+
+        //! A JavaDoc/Doxygen keyword error.
+        CommentDocKeywordError = 18,
+
+        //! A keyword defined in keyword set number 5.  The class must be
+        //! sub-classed and re-implement keywords() to make use of this style.
+        //! Note that keywords must be defined using lower case.
+        KeywordSet5 = 19,
+
+        //! A keyword defined in keyword set number 6.  The class must be
+        //! sub-classed and re-implement keywords() to make use of this style.
+        //! Note that keywords must be defined using lower case.
+        KeywordSet6 = 20,
+
+        //! A keyword defined in keyword set number 7.  The class must be
+        //! sub-classed and re-implement keywords() to make use of this style.
+        //! Note that keywords must be defined using lower case.
+        KeywordSet7 = 21,
+
+        //! A keyword defined in keyword set number 8.  The class must be
+        //! sub-classed and re-implement keywords() to make use of this style.
+        //! Note that keywords must be defined using lower case.
+        KeywordSet8 = 22,
+
+        //! A quoted identifier.
+        QuotedIdentifier = 23,
+
+        //! A quoted operator.
+        QuotedOperator = 24,
+    };
+
+    //! Construct a QsciLexerSQL with parent \a parent.  \a parent is typically
+    //! the QsciScintilla instance.
+    QsciLexerSQL(QObject *parent = 0);
+
+    //! Destroys the QsciLexerSQL instance.
+    virtual ~QsciLexerSQL();
+
+    //! 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 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;
+
+    //! 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 backslash escapes are enabled.
+    //!
+    //! \sa setBackslashEscapes()
+    bool backslashEscapes() const {return backslash_escapes;}
+
+    //! If \a enable is true then words may contain dots (i.e. periods or full
+    //! stops).  The default is false.
+    //!
+    //! \sa dottedWords()
+    void setDottedWords(bool enable);
+
+    //! Returns true if words may contain dots (i.e. periods or full stops).
+    //!
+    //! \sa setDottedWords()
+    bool dottedWords() const {return allow_dotted_word;}
+
+    //! If \a fold is true then ELSE blocks can be folded.  The default is
+    //! false.
+    //!
+    //! \sa foldAtElse()
+    void setFoldAtElse(bool fold);
+
+    //! Returns true if ELSE blocks can be folded.
+    //!
+    //! \sa setFoldAtElse()
+    bool foldAtElse() const {return at_else;}
+
+    //! Returns true if multi-line comment blocks can be folded.
+    //!
+    //! \sa setFoldComments()
+    bool foldComments() const {return fold_comments;}
+
+    //! Returns true if trailing blank lines are included in a fold block.
+    //!
+    //! \sa setFoldCompact()
+    bool foldCompact() const {return fold_compact;}
+
+    //! If \a fold is true then only BEGIN blocks can be folded.  The default
+    //! is false.
+    //!
+    //! \sa foldOnlyBegin()
+    void setFoldOnlyBegin(bool fold);
+
+    //! Returns true if BEGIN blocks only can be folded.
+    //!
+    //! \sa setFoldOnlyBegin()
+    bool foldOnlyBegin() const {return only_begin;}
+
+    //! If \a enable is true then '#' is used as a comment character.  It is
+    //! typically enabled for MySQL and disabled for Oracle.  The default is
+    //! false.
+    //!
+    //! \sa hashComments()
+    void setHashComments(bool enable);
+
+    //! Returns true if '#' is used as a comment character.
+    //!
+    //! \sa setHashComments()
+    bool hashComments() const {return numbersign_comment;}
+
+    //! If \a enable is true then quoted identifiers are enabled.  The default
+    //! is false.
+    //!
+    //! \sa quotedIdentifiers()
+    void setQuotedIdentifiers(bool enable);
+
+    //! Returns true if quoted identifiers are enabled.
+    //!
+    //! \sa setQuotedIdentifiers()
+    bool quotedIdentifiers() const {return backticks_identifier;}
+
+public slots:
+    //! If \a enable is true then backslash escapes are enabled.  The
+    //! default is false.
+    //!
+    //! \sa backslashEscapes()
+    virtual void setBackslashEscapes(bool enable);
+
+    //! If \a fold is true then multi-line comment blocks can be folded.  The
+    //! default is false.
+    //!
+    //! \sa foldComments()
+    virtual void setFoldComments(bool fold);
+
+    //! If \a fold is true then trailing blank lines are included in a fold
+    //! block. The default is true.
+    //!
+    //! \sa foldCompact()
+    virtual void setFoldCompact(bool fold);
+
+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 setAtElseProp();
+    void setCommentProp();
+    void setCompactProp();
+    void setOnlyBeginProp();
+    void setBackticksIdentifierProp();
+    void setNumbersignCommentProp();
+    void setBackslashEscapesProp();
+    void setAllowDottedWordProp();
+
+    bool at_else;
+    bool fold_comments;
+    bool fold_compact;
+    bool only_begin;
+    bool backticks_identifier;
+    bool numbersign_comment;
+    bool backslash_escapes;
+    bool allow_dotted_word;
+
+    QsciLexerSQL(const QsciLexerSQL &);
+    QsciLexerSQL &operator=(const QsciLexerSQL &);
+};
+
+#endif