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// This module implements the QsciLexerJSON class.
//
// Copyright (c) 2018 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.
#include "Qsci/qscilexerjson.h"
#include <qcolor.h>
#include <qfont.h>
#include <qsettings.h>
// The ctor.
QsciLexerJSON::QsciLexerJSON(QObject *parent)
: QsciLexer(parent),
allow_comments(true), escape_sequence(true), fold_compact(true)
{
}
// The dtor.
QsciLexerJSON::~QsciLexerJSON()
{
}
// Returns the language name.
const char *QsciLexerJSON::language() const
{
return "JSON";
}
// Returns the lexer name.
const char *QsciLexerJSON::lexer() const
{
return "json";
}
// Returns the foreground colour of the text for a style.
QColor QsciLexerJSON::defaultColor(int style) const
{
switch (style)
{
case UnclosedString:
case Error:
return QColor(0xff, 0xff, 0xff);
case Number:
return QColor(0x00, 0x7f, 0x7f);
case String:
return QColor(0x7f, 0x00, 0x00);
case Property:
return QColor(0x88, 0x0a, 0xe8);
case EscapeSequence:
return QColor(0x0b, 0x98, 0x2e);
case CommentLine:
case CommentBlock:
return QColor(0x05, 0xbb, 0xae);
case Operator:
return QColor(0x18, 0x64, 0x4a);
case IRI:
return QColor(0x00, 0x00, 0xff);
case IRICompact:
return QColor(0xd1, 0x37, 0xc1);
case Keyword:
return QColor(0x0b, 0xce, 0xa7);
case KeywordLD:
return QColor(0xec, 0x28, 0x06);
}
return QsciLexer::defaultColor(style);
}
// Returns the end-of-line fill for a style.
bool QsciLexerJSON::defaultEolFill(int style) const
{
switch (style)
{
case UnclosedString:
return true;
}
return QsciLexer::defaultEolFill(style);
}
// Returns the font of the text for a style.
QFont QsciLexerJSON::defaultFont(int style) const
{
QFont f;
switch (style)
{
case CommentLine:
f = QsciLexer::defaultFont(style);
f.setItalic(true);
break;
case Keyword:
f = QsciLexer::defaultFont(style);
f.setBold(true);
break;
default:
f = QsciLexer::defaultFont(style);
}
return f;
}
// Returns the set of keywords.
const char *QsciLexerJSON::keywords(int set) const
{
if (set == 1)
return "false true null";
if (set == 2)
return
"@id @context @type @value @language @container @list @set "
"@reverse @index @base @vocab @graph";
return 0;
}
// Returns the user name of a style.
QString QsciLexerJSON::description(int style) const
{
switch (style)
{
case Default:
return tr("Default");
case Number:
return tr("Number");
case String:
return tr("String");
case UnclosedString:
return tr("Unclosed string");
case Property:
return tr("Property");
case EscapeSequence:
return tr("Escape sequence");
case CommentLine:
return tr("Line comment");
case CommentBlock:
return tr("Block comment");
case Operator:
return tr("Operator");
case IRI:
return tr("IRI");
case IRICompact:
return tr("JSON-LD compact IRI");
case Keyword:
return tr("JSON keyword");
case KeywordLD:
return tr("JSON-LD keyword");
case Error:
return tr("Parsing error");
}
return QString();
}
// Returns the background colour of the text for a style.
QColor QsciLexerJSON::defaultPaper(int style) const
{
switch (style)
{
case UnclosedString:
case Error:
return QColor(0xff, 0x00, 0x00);
}
return QsciLexer::defaultPaper(style);
}
// Refresh all properties.
void QsciLexerJSON::refreshProperties()
{
setAllowCommentsProp();
setEscapeSequenceProp();
setCompactProp();
}
// Read properties from the settings.
bool QsciLexerJSON::readProperties(QSettings &qs,const QString &prefix)
{
allow_comments = qs.value(prefix + "allowcomments", true).toBool();
escape_sequence = qs.value(prefix + "escapesequence", true).toBool();
fold_compact = qs.value(prefix + "foldcompact", true).toBool();
return true;
}
// Write properties to the settings.
bool QsciLexerJSON::writeProperties(QSettings &qs,const QString &prefix) const
{
qs.setValue(prefix + "allowcomments", allow_comments);
qs.setValue(prefix + "escapesequence", escape_sequence);
qs.setValue(prefix + "foldcompact", fold_compact);
return true;
}
// Set if comments are highlighted
void QsciLexerJSON::setHighlightComments(bool highlight)
{
allow_comments = highlight;
setAllowCommentsProp();
}
// Set the "lexer.json.allow.comments" property.
void QsciLexerJSON::setAllowCommentsProp()
{
emit propertyChanged("lexer.json.allow.comments",
(allow_comments ? "1" : "0"));
}
// Set if escape sequences are highlighted.
void QsciLexerJSON::setHighlightEscapeSequences(bool highlight)
{
escape_sequence = highlight;
setEscapeSequenceProp();
}
// Set the "lexer.json.escape.sequence" property.
void QsciLexerJSON::setEscapeSequenceProp()
{
emit propertyChanged("lexer.json.escape.sequence",
(escape_sequence ? "1" : "0"));
}
// Set if folds are compact.
void QsciLexerJSON::setFoldCompact(bool fold)
{
fold_compact = fold;
setCompactProp();
}
// Set the "fold.compact" property.
void QsciLexerJSON::setCompactProp()
{
emit propertyChanged("fold.compact", (fold_compact ? "1" : "0"));
}
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