src/json-viewer/JSON_highlight.cpp - result - Zero_Fly/JSON_viewer

src/json-viewer/JSON_highlight.cpp
63 строки2 KB
Zero-Fly-
add tree jsonView
16 янв 2025, 16:31
16 янв 2025, 16:31ace3dac
#include"JSON_highlight.h"

QColor orange1(255, 137, 0);
QColor green1(138, 206, 0);

JsonSyntaxHighlighter::JsonSyntaxHighlighter(QTextDocument *parent)
  : QSyntaxHighlighter(parent) {
        HighlightingRule rule;

        // JSON keys formatting
        QTextCharFormat keyFormat;
        keyFormat.setForeground(green1);
        keyFormat.setFontWeight(QFont::Bold);
        rule.pattern = QRegularExpression("\"(\\w+)\"\\s*:");
        rule.format = keyFormat;
        highlightingRules.append(rule);

        // JSON values formatting
        QTextCharFormat valueFormat;
        valueFormat.setForeground(orange1);
        rule.pattern = QRegularExpression(":\\s*\"([^\"]*)\"");
        rule.format = valueFormat;
        highlightingRules.append(rule);

        // JSON number formatting
        QTextCharFormat numberFormat;
        numberFormat.setForeground(Qt::darkMagenta);
        rule.pattern = QRegularExpression(":\\s*-?\\d+(\\.\\d+)?");
        rule.format = numberFormat;
        highlightingRules.append(rule);

        // JSON true/false/null formatting
        QTextCharFormat boolNullFormat;
        boolNullFormat.setForeground(Qt::darkGreen);
        QStringList keywords;
        keywords << "true" << "false" << "null";
        foreach (const QString &pattern, keywords) {
            rule.pattern = QRegularExpression("\\b" + pattern + "\\b");
            rule.format = boolNullFormat;
            highlightingRules.append(rule);
        }

        // JSON brackets formatting
        QTextCharFormat bracketFormat;
        bracketFormat.setForeground(Qt::darkGray);
        QStringList brackets;
        brackets << "{" << "}" << "[" << "]";
        foreach (const QString &pattern, brackets) {
            rule.pattern = QRegularExpression(QRegularExpression::escape(pattern));
            rule.format = bracketFormat;
            highlightingRules.append(rule);
        }
    }

void JsonSyntaxHighlighter::highlightBlock(const QString &text){
        foreach (const HighlightingRule &rule, highlightingRules) {
            QRegularExpressionMatchIterator matchIterator = rule.pattern.globalMatch(text);
            while (matchIterator.hasNext()) {
                QRegularExpressionMatch match = matchIterator.next();
                setFormat(match.capturedStart(), match.capturedLength(), rule.format);
            }
        }
    }