Qt Qsyntaxhighlighter给QTextEdit设置丰富的语法高亮格式

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/*语法高亮* *包括关键字、函数、注释、@{}、全局变量等等*/#ifndef MYSYNTAXHIGHLIGHTER_H
#define MYSYNTAXHIGHLIGHTER_H
#include <QSyntaxHighlighter>
#include <QTextCharFormat>
//#include <QObject>
//#include <QRegExp>
#include <QTextEdit>
//#include <QVector>
//#include <QString>
//#include <global_operator.h>QT_BEGIN_NAMESPACE
class QTextDocument;
QT_END_NAMESPACEclass MySyntaxHighlighter:public QSyntaxHighlighter{Q_OBJECT
public:MySyntaxHighlighter(QTextDocument *parent = 0);void getKeywords(QString path,QTextEdit* show);//从系统库路径下获取关键字列表，返回信息到消息框void getFuncwords(QString path,QTextEdit* show);//从用户库目录下获取函数列表，返回信息到消息框public slots:void setGlobalListQueue(const QStringList& textQueue);//设置全局变量的高亮规则protected:void highlightBlock(const QString  &text) Q_DECL_OVERRIDE;
private:struct HighlightingRule{QRegExp pattern;QTextCharFormat format;};void setNormalTextFormat();void setDigitalFormat();void setKeyAndFuncFormat();void setAtFormat();void setGlobalFormat();void setStringFormat();void setCommentFormat();//    QString kPath;//好像暂时没什么用
//    QString fPath;void setGlobalListQueue();QVector<HighlightingRule> highlightingRules;//其它放在一个矢量里面QVector<HighlightingRule> globalHighlightRules;//全局变量会时刻变动，不跟其它语法高亮共用一个矢量QVector<HighlightingRule> atHighlightRules;//艾特的单独存一个矢量里面//这四个称作其它变量QTextCharFormat normalTextFormat;//普通文本的样式QTextCharFormat digitalFormat;//数字样式QTextCharFormat keywordFormat;//关键字高亮规则QTextCharFormat functionFormat;//函数高亮QTextCharFormat globalVarFormat;//全局变量高亮QTextCharFormat atFormat;//@{}式子高亮//这s三个不需要矢量QTextCharFormat commentFormat;//注释高亮QTextCharFormat multiLineCommentFormat;//块状注释高亮QTextCharFormat stringFormat;//字符串高亮//枚举块状注释开始、块状注释结束、单行注释和字符串enum symbolType{nothing = -1,comBegin = 0,singleCom,aString};enum symbolType getFirstSymbolTypeOf(QString tContext, int tIndex );//判断tContext中，从tIndex开始，最先出现哪个符号//如果where在有效区块结束符号*)后面(where>0)或者在previousBlockState=0的行(where=0)，则对后面进行一系列检查void checkFromHere(QString text, int where);//如果区块在where开始，则对后面进行一系列检查void blockFromHere (QString text, int where);//    int startIndex;
//    int pos;//检查行末的状态
//    bool lastCharInSingle = false;
//    bool lastCharInBlock = false;
//    bool lastCharInNormal = false;//既不属于字符串又不属于注释
};#endif // MYSYNTAXHIGHLIGHTER_H








#include <QtGui>
#include <QRegExp>
#include <QFont>
#include <QFile>
//#include <algorithm>#include "mysyntaxhighlighter.h"
//#include <QDialog>
//#include <QMessageBox>
//#include <QApplication>
//#include <queue&g