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/* This file is part of KDevelop
Copyright 2012 Miha Čančula <miha@noughmad.eu>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include "kdevfilters.h"
#include <language/duchain/persistentsymboltable.h>
#include <language/duchain/types/structuretype.h>
#include <language/duchain/duchainlock.h>
#include <language/duchain/duchain.h>
#include <language/duchain/declaration.h>
using namespace KDevelop;
static
QString safeString(const QVariant& variant)
{
if (variant.canConvert<Grantlee::SafeString>())
{
return variant.value<Grantlee::SafeString>().get();
}
else
{
return variant.toString();
}
}
QStringList words(const QVariant& input)
{
QString string = safeString(input);
if (string == string.toLower() && !string.contains(QLatin1Char('_'))) {
return QStringList(string);
}
if (string.contains(QLatin1Char('_'))) {
return string.toLower().split(QLatin1Char('_'));
}
int n = string.size();
QStringList ret;
int last = 0;
for (int i = 1; i < n; ++i)
{
if (string[i].isUpper())
{
ret << string.mid(last, i-last).toLower();
last = i;
}
}
ret << string.mid(last).toLower();
return ret;
}
QVariant CamelCaseFilter::doFilter(const QVariant& input, const QVariant& /*argument*/,
bool /*autoescape*/) const
{
QString ret;
const auto words = ::words(input);
for (const QString& word : words) {
QString w = word;
w[0] = w[0].toUpper();
ret += w;
}
return Grantlee::SafeString(ret);
}
QVariant LowerCamelCaseFilter::doFilter(const QVariant& input, const QVariant& /*argument*/,
bool /*autoescape*/) const
{
QString ret;
const auto words = ::words(input);
for (const QString& word : words) {
QString w = word;
w[0] = w[0].toUpper();
ret += w;
}
if (!ret.isEmpty())
{
ret[0] = ret[0].toUpper();
}
return Grantlee::SafeString(ret);
}
QVariant UnderscoreFilter::doFilter(const QVariant& input, const QVariant& /*argument*/,
bool /*autoescape*/) const
{
QString ret = words(input).join(QLatin1Char('_'));
return Grantlee::SafeString(ret);
}
QVariant UpperFirstFilter::doFilter(const QVariant& input, const QVariant& /*argument*/,
bool /*autoescape*/) const
{
QString in = safeString(input);
if (!in.isEmpty())
{
in[0] = in[0].toUpper();
}
return Grantlee::SafeString(in);
}
QVariant SplitLinesFilter::doFilter(const QVariant& input, const QVariant& argument,
bool /*autoescape*/) const
{
QStringList retLines;
QString start = safeString(argument);
const QString inputString = safeString(input);
#if QT_VERSION >= QT_VERSION_CHECK(5, 15, 0)
const auto lines = inputString.splitRef(QLatin1Char('\n'), Qt::KeepEmptyParts);
#else
const auto lines = inputString.splitRef(QLatin1Char('\n'), QString::KeepEmptyParts);
#endif
retLines.reserve(lines.size());
for (const auto& line : lines) {
retLines << start + line;
}
return Grantlee::SafeString(retLines.join(QLatin1Char('\n')));
}
QVariant ArgumentTypeFilter::doFilter (const QVariant& input, const QVariant& /*argument*/,
bool /*autoescape*/) const
{
QString type = safeString(input);
DUChainReadLocker locker(DUChain::lock());
PersistentSymbolTable::Declarations decl = PersistentSymbolTable::self().declarations(IndexedQualifiedIdentifier(QualifiedIdentifier(type)));
for(PersistentSymbolTable::Declarations::Iterator it = decl.iterator(); it; ++it)
{
DeclarationPointer declaration = DeclarationPointer(it->declaration());
if(declaration->isForwardDeclaration())
{
continue;
}
// Check if it's a class/struct/etc
if(declaration->type<StructureType>())
{
QString refType = QStringLiteral("const %1&").arg(type);
return Grantlee::SafeString(refType);
}
}
return Grantlee::SafeString(type);
}
KDevFilters::KDevFilters(QObject* parent, const QVariantList &)
: QObject(parent)
{
}
KDevFilters::~KDevFilters()
{
}
QHash< QString, Grantlee::Filter* > KDevFilters::filters(const QString& name)
{
Q_UNUSED(name);
QHash< QString, Grantlee::Filter* > filters;
filters[QStringLiteral("camel_case")] = new CamelCaseFilter();
filters[QStringLiteral("camel_case_lower")] = new LowerCamelCaseFilter();
filters[QStringLiteral("underscores")] = new UnderscoreFilter();
filters[QStringLiteral("lines_prepend")] = new SplitLinesFilter();
filters[QStringLiteral("upper_first")] = new UpperFirstFilter();
filters[QStringLiteral("arg_type")] = new ArgumentTypeFilter();
return filters;
}
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