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/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2012 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: http://www.qt-project.org/
**
**
** GNU Lesser General Public License Usage
**
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this file.
** Please review the following information to ensure the GNU Lesser General
** Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** Other Usage
**
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**************************************************************************/
#include "cppcompletionassistprovider.h"
#include <cppeditor/cppeditorconstants.h>
#include <Token.h>
using namespace CPlusPlus;
using namespace CppTools;
// ---------------------------
// CppCompletionAssistProvider
// ---------------------------
bool CppCompletionAssistProvider::supportsEditor(const Core::Id &editorId) const
{
return editorId == Core::Id(CppEditor::Constants::CPPEDITOR_ID);
}
int CppCompletionAssistProvider::activationCharSequenceLength() const
{
return 3;
}
bool CppCompletionAssistProvider::isActivationCharSequence(const QString &sequence) const
{
const QChar &ch = sequence.at(2);
const QChar &ch2 = sequence.at(1);
const QChar &ch3 = sequence.at(0);
if (activationSequenceChar(ch, ch2, ch3, 0, true) != 0)
return true;
return false;
}
int CppCompletionAssistProvider::activationSequenceChar(const QChar &ch,
const QChar &ch2,
const QChar &ch3,
unsigned *kind,
bool wantFunctionCall)
{
int referencePosition = 0;
int completionKind = T_EOF_SYMBOL;
switch (ch.toLatin1()) {
case '.':
if (ch2 != QLatin1Char('.')) {
completionKind = T_DOT;
referencePosition = 1;
}
break;
case ',':
completionKind = T_COMMA;
referencePosition = 1;
break;
case '(':
if (wantFunctionCall) {
completionKind = T_LPAREN;
referencePosition = 1;
}
break;
case ':':
if (ch3 != QLatin1Char(':') && ch2 == QLatin1Char(':')) {
completionKind = T_COLON_COLON;
referencePosition = 2;
}
break;
case '>':
if (ch2 == QLatin1Char('-')) {
completionKind = T_ARROW;
referencePosition = 2;
}
break;
case '*':
if (ch2 == QLatin1Char('.')) {
completionKind = T_DOT_STAR;
referencePosition = 2;
} else if (ch3 == QLatin1Char('-') && ch2 == QLatin1Char('>')) {
completionKind = T_ARROW_STAR;
referencePosition = 3;
}
break;
case '\\':
case '@':
if (ch2.isNull() || ch2.isSpace()) {
completionKind = T_DOXY_COMMENT;
referencePosition = 1;
}
break;
case '<':
completionKind = T_ANGLE_STRING_LITERAL;
referencePosition = 1;
break;
case '"':
completionKind = T_STRING_LITERAL;
referencePosition = 1;
break;
case '/':
completionKind = T_SLASH;
referencePosition = 1;
break;
case '#':
completionKind = T_POUND;
referencePosition = 1;
break;
}
if (kind)
*kind = completionKind;
return referencePosition;
}
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