Differential D2015 Diff 4746 src/backends/julia/juliakeywords.cpp

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src/backends/julia/juliakeywords.cpp

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1		/*
2		* This program is free software; you can redistribute it and/or
3		* modify it under the terms of the GNU General Public License
4		* as published by the Free Software Foundation; either version 2
5		* of the License, or (at your option) any later version.
6		*
7		* This program is distributed in the hope that it will be useful,
8		* but WITHOUT ANY WARRANTY; without even the implied warranty of
9		* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10		* GNU General Public License for more details.
11		*
12		* You should have received a copy of the GNU General Public License
13		* along with this program; if not, write to the Free Software
14		* Foundation, Inc., 51 Franklin Street, Fifth Floor,
15		* Boston, MA 02110-1301, USA.
16		*
17		* ---
18		* Copyright (C) 2016 Ivan Lakhtanov <ivan.lakhtanov@gmail.com>
19		*/
20		#include "juliakeywords.h"
21
22		#include <QFile>
23		#include <QXmlStreamReader>
24		#include <QtAlgorithms>
25
26		#include <QDebug>
27
28		JuliaKeywords *JuliaKeywords::instance()
29		{
30		static JuliaKeywords *inst = 0;
31		if (inst == 0) {
32		inst = new JuliaKeywords();
33		inst->loadFromFile();
34		qSort(inst->m_variables);
35		qSort(inst->m_keywords);
36		}
37
38		return inst;
39		}
40
41		void JuliaKeywords::loadFromFile()
42		{
43		//load the known keywords from an xml file
44		QFile file(QLatin1String(":xml/keywords.xml"));
45
	filipesaraivaUnsubmitted Not Done Once more, give a look in Sage backend to get how to do it. filipesaraiva: Once more, give a look in [[ https://phabricator.kde.
46		if (!file.open(QIODevice::ReadOnly)) {
47		qWarning() << "error opening keywords.xml file. highlighting and"
48		<< " completion won't work";
49		return;
50		}
51
52		QXmlStreamReader xml(&file);
53
54		xml.readNextStartElement();
55		while (xml.readNextStartElement()) {
56		const QStringRef name = xml.name();
57
58		if (name == QLatin1String("keywords")
59		\|\| name == QLatin1String("variables")) {
60		while (xml.readNextStartElement()) {
61		Q_ASSERT(
62		xml.isStartElement() && xml.name() == QLatin1String("word")
63		);
64
65		const QString text = xml.readElementText();
66
67		if (name == QLatin1String("keywords")) {
68		m_keywords << text;
69		} else if (name == QLatin1String("variables")) {
70		m_variables << text;
71		}
72		}
73		} else {
74		xml.skipCurrentElement();
75		}
76		}
77
78		if (xml.hasError()) {
79		qWarning() << "Error parsing keywords.xml: " << xml.errorString();
80		}
81		}