CommonLibs/jsonhighlighter/highlighter.cpp

#include "highlighter.h"
#include <QRegExp>
#include <QTextCharFormat>
#include <QTextDocument>

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

   //numbers
   rule.pattern = QRegExp("([-0-9.]+)(?!([^\"]*\"[\\s]*\\:))");
   rule.format.setForeground(QColor(255,192,85));
   rules.append(rule);

   //key
   rule.pattern = QRegExp ("(\"[^\"]*\")");
   rule.format.setForeground(QColor(145,145,192));
   rules.append(rule);

   //value
   rule.pattern = QRegExp(":\\s*([\"](?:[^\"])*[\"])");
   rule.format.setForeground(QColor(145,145,192));
   rules.append(rule);

   //reserved words
   rule.pattern = QRegExp("(true|false|null)(?!\"[^\"]*\")");
   rule.format.setForeground(QColor(0,0,255));
   rules.append(rule);
}

void Highlighter::highlightBlock(const QString &text)
{
    for (const HighlightingRule &rule : rules) {
        QRegExp expression(rule.pattern);
        int index = expression.indexIn(text);

        while (index >= 0) {
            index = expression.pos(1);
            int length = expression.cap(1).length();
            setFormat(index, length, rule.format);
            index = expression.indexIn(text, index + length);
        }
    }
}
Revision:	1096
Committed:	Sat Dec 30 14:40:33 2017 UTC (7 years, 10 months ago) by s10k
Content type:	text/x-c++src
File size:	1229 byte(s)
Log Message:	Added zlib, quazip, basicxmlsyntaxhighlighter, conditionalsemaphore and linenumberdisplay libraries. zlib and quazip are pre-compiled, but you can compile them yourself, just delete the dll files (or equivalent binary files to your OS)
#	Content
1	#include "highlighter.h"
2	#include <QRegExp>
3	#include <QTextCharFormat>
4	#include <QTextDocument>
5
6	Highlighter::Highlighter(QTextDocument *parent)
7	: QSyntaxHighlighter(parent)
8	{
9	HighlightingRule rule;
10
11	//numbers
12	rule.pattern = QRegExp("([-0-9.]+)(?!([^\"]\"[\\s]\\:))");
13	rule.format.setForeground(QColor(255,192,85));
14	rules.append(rule);
15
16	//key
17	rule.pattern = QRegExp ("(\"[^\"]*\")");
18	rule.format.setForeground(QColor(145,145,192));
19	rules.append(rule);
20
21	//value
22	rule.pattern = QRegExp(":\\s([\"](?:[^\"])[\"])");
23	rule.format.setForeground(QColor(145,145,192));
24	rules.append(rule);
25
26	//reserved words
27	rule.pattern = QRegExp("(true\|false\|null)(?!\"[^\"]*\")");
28	rule.format.setForeground(QColor(0,0,255));
29	rules.append(rule);
30	}
31
32	void Highlighter::highlightBlock(const QString &text)
33	{
34	for (const HighlightingRule &rule : rules) {
35	QRegExp expression(rule.pattern);
36	int index = expression.indexIn(text);
37
38	while (index >= 0) {
39	index = expression.pos(1);
40	int length = expression.cap(1).length();
41	setFormat(index, length, rule.format);
42	index = expression.indexIn(text, index + length);
43	}
44	}
45	}