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libreoffice/vcl/qa/cppunit/FontFeatureTest.cxx
Daniel Baumann 8e63e14cf6
Adding upstream version 4:25.2.3.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-22 16:20:04 +02:00

441 lines
19 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#include <test/bootstrapfixture.hxx>
#include <config_features.h>
#include <config_fonts.h>
#include <cppunit/TestAssert.h>
#include <vcl/font/Feature.hxx>
#include <vcl/font/FeatureParser.hxx>
#include <vcl/virdev.hxx>
#include <vcl/svapp.hxx>
class FontFeatureTest : public test::BootstrapFixture
{
public:
FontFeatureTest()
: BootstrapFixture(true, false)
{
}
void testGetFontFeaturesGraphite();
void testGetFontFeaturesOpenType();
void testGetFontFeaturesOpenTypeEnum();
void testParseFeature();
CPPUNIT_TEST_SUITE(FontFeatureTest);
CPPUNIT_TEST(testGetFontFeaturesGraphite);
CPPUNIT_TEST(testGetFontFeaturesOpenType);
CPPUNIT_TEST(testGetFontFeaturesOpenTypeEnum);
CPPUNIT_TEST(testParseFeature);
CPPUNIT_TEST_SUITE_END();
};
void FontFeatureTest::testGetFontFeaturesGraphite()
{
#if HAVE_MORE_FONTS
ScopedVclPtrInstance<VirtualDevice> aVDev(*Application::GetDefaultDevice(),
DeviceFormat::WITH_ALPHA);
aVDev->SetOutputSizePixel(Size(10, 10));
OUString aFontName(u"Linux Libertine G"_ustr);
CPPUNIT_ASSERT(aVDev->IsFontAvailable(aFontName));
vcl::Font aFont = aVDev->GetFont();
aFont.SetFamilyName(aFontName);
aFont.SetWeight(FontWeight::WEIGHT_NORMAL);
aFont.SetItalic(FontItalic::ITALIC_NORMAL);
aFont.SetWidthType(FontWidth::WIDTH_NORMAL);
aVDev->SetFont(aFont);
std::vector<vcl::font::Feature> rFontFeatures;
CPPUNIT_ASSERT(aVDev->GetFontFeatures(rFontFeatures));
OUString aFeaturesString;
for (vcl::font::Feature const& rFeature : rFontFeatures)
{
aFeaturesString += vcl::font::featureCodeAsString(rFeature.m_nCode) + " ";
}
CPPUNIT_ASSERT_EQUAL(size_t(53), rFontFeatures.size());
CPPUNIT_ASSERT_EQUAL(u"c2sc case dlig fina frac hlig liga lnum "
"locl onum pnum sa01 sa02 sa03 sa04 sa05 "
"sa06 sa07 sa08 salt sinf smcp ss01 ss02 "
"ss03 sups tnum zero ingl cpsp lith litt "
"itlc para algn arti circ dash dbls foot "
"frsp grkn hang lng minu nfsp name quot "
"texm thou vari caps ligc "_ustr,
aFeaturesString);
// Check C2SC feature
{
vcl::font::Feature& rFeature = rFontFeatures[0];
CPPUNIT_ASSERT_EQUAL(vcl::font::featureCode("c2sc"), rFeature.m_nCode);
vcl::font::FeatureDefinition& rFracFeatureDefinition = rFeature.m_aDefinition;
CPPUNIT_ASSERT_EQUAL(vcl::font::featureCode("c2sc"), rFracFeatureDefinition.getCode());
CPPUNIT_ASSERT(!rFracFeatureDefinition.getDescription().isEmpty());
CPPUNIT_ASSERT_EQUAL(vcl::font::FeatureParameterType::BOOL,
rFracFeatureDefinition.getType());
CPPUNIT_ASSERT_EQUAL(size_t(0), rFracFeatureDefinition.getEnumParameters().size());
}
// Check FRAC feature
{
vcl::font::Feature& rFeature = rFontFeatures[4];
CPPUNIT_ASSERT_EQUAL(vcl::font::featureCode("frac"), rFeature.m_nCode);
vcl::font::FeatureDefinition& rFracFeatureDefinition = rFeature.m_aDefinition;
CPPUNIT_ASSERT_EQUAL(vcl::font::featureCode("frac"), rFracFeatureDefinition.getCode());
CPPUNIT_ASSERT(!rFracFeatureDefinition.getDescription().isEmpty());
CPPUNIT_ASSERT_EQUAL(vcl::font::FeatureParameterType::ENUM,
rFracFeatureDefinition.getType());
CPPUNIT_ASSERT_EQUAL(size_t(3), rFracFeatureDefinition.getEnumParameters().size());
vcl::font::FeatureParameter const& rParameter1
= rFracFeatureDefinition.getEnumParameters()[0];
CPPUNIT_ASSERT_EQUAL(uint32_t(0), rParameter1.getCode());
CPPUNIT_ASSERT(!rParameter1.getDescription().isEmpty());
vcl::font::FeatureParameter const& rParameter2
= rFracFeatureDefinition.getEnumParameters()[1];
CPPUNIT_ASSERT_EQUAL(uint32_t(1), rParameter2.getCode());
CPPUNIT_ASSERT(!rParameter2.getDescription().isEmpty());
vcl::font::FeatureParameter const& rParameter3
= rFracFeatureDefinition.getEnumParameters()[2];
CPPUNIT_ASSERT_EQUAL(uint32_t(2), rParameter3.getCode());
CPPUNIT_ASSERT(!rParameter2.getDescription().isEmpty());
}
aVDev.disposeAndClear();
#endif // HAVE_MORE_FONTS
}
void FontFeatureTest::testGetFontFeaturesOpenType()
{
#if HAVE_MORE_FONTS
ScopedVclPtrInstance<VirtualDevice> aVDev(*Application::GetDefaultDevice(),
DeviceFormat::WITH_ALPHA);
aVDev->SetOutputSizePixel(Size(10, 10));
OUString aFontName(u"Amiri"_ustr);
CPPUNIT_ASSERT(aVDev->IsFontAvailable(aFontName));
vcl::Font aFont = aVDev->GetFont();
aFont.SetFamilyName(aFontName);
aFont.SetWeight(FontWeight::WEIGHT_NORMAL);
aFont.SetItalic(FontItalic::ITALIC_NORMAL);
aFont.SetWidthType(FontWidth::WIDTH_NORMAL);
aVDev->SetFont(aFont);
std::vector<vcl::font::Feature> rFontFeatures;
CPPUNIT_ASSERT(aVDev->GetFontFeatures(rFontFeatures));
OUString aFeaturesString;
for (vcl::font::Feature const& rFeature : rFontFeatures)
aFeaturesString += vcl::font::featureCodeAsString(rFeature.m_nCode) + " ";
CPPUNIT_ASSERT_EQUAL(size_t(15), rFontFeatures.size());
CPPUNIT_ASSERT_EQUAL(u"dnom liga numr pnum ss01 ss02 "
"ss03 ss04 ss05 ss06 ss07 ss08 kern kern "
"ss05 "_ustr,
aFeaturesString);
// Check ss01 feature
{
vcl::font::Feature& rFeature = rFontFeatures[4];
CPPUNIT_ASSERT_EQUAL(vcl::font::featureCode("ss01"), rFeature.m_nCode);
vcl::font::FeatureDefinition& rFeatureDefinition = rFeature.m_aDefinition;
CPPUNIT_ASSERT_EQUAL(vcl::font::featureCode("ss01"), rFeatureDefinition.getCode());
CPPUNIT_ASSERT_EQUAL(u"Low Baa dot following a Raa or Waw"_ustr,
rFeatureDefinition.getDescription());
CPPUNIT_ASSERT_EQUAL(vcl::font::FeatureParameterType::BOOL, rFeatureDefinition.getType());
CPPUNIT_ASSERT_EQUAL(size_t(0), rFeatureDefinition.getEnumParameters().size());
}
aVDev.disposeAndClear();
#endif // HAVE_MORE_FONTS
}
void FontFeatureTest::testGetFontFeaturesOpenTypeEnum()
{
#if HAVE_MORE_FONTS
ScopedVclPtrInstance<VirtualDevice> aVDev(*Application::GetDefaultDevice(),
DeviceFormat::WITH_ALPHA);
aVDev->SetOutputSizePixel(Size(10, 10));
OUString aFontName(u"Reem Kufi"_ustr);
CPPUNIT_ASSERT(aVDev->IsFontAvailable(aFontName));
vcl::Font aFont = aVDev->GetFont();
aFont.SetFamilyName(aFontName);
aFont.SetWeight(FontWeight::WEIGHT_NORMAL);
aFont.SetItalic(FontItalic::ITALIC_NORMAL);
aFont.SetWidthType(FontWidth::WIDTH_NORMAL);
aVDev->SetFont(aFont);
std::vector<vcl::font::Feature> rFontFeatures;
CPPUNIT_ASSERT(aVDev->GetFontFeatures(rFontFeatures));
OUString aFeaturesString;
for (vcl::font::Feature const& rFeature : rFontFeatures)
aFeaturesString += vcl::font::featureCodeAsString(rFeature.m_nCode) + " ";
CPPUNIT_ASSERT_EQUAL(size_t(10), rFontFeatures.size());
CPPUNIT_ASSERT_EQUAL(u"aalt case cv01 cv02 cv03 frac ordn sups "
"zero kern "_ustr,
aFeaturesString);
// Check aalt feature
{
vcl::font::Feature& rFeature = rFontFeatures[0];
CPPUNIT_ASSERT_EQUAL(vcl::font::featureCode("aalt"), rFeature.m_nCode);
vcl::font::FeatureDefinition& rFeatureDefinition = rFeature.m_aDefinition;
CPPUNIT_ASSERT_EQUAL(vcl::font::featureCode("aalt"), rFeatureDefinition.getCode());
CPPUNIT_ASSERT(!rFeatureDefinition.getDescription().isEmpty());
CPPUNIT_ASSERT_EQUAL(vcl::font::FeatureParameterType::ENUM, rFeatureDefinition.getType());
CPPUNIT_ASSERT_EQUAL(size_t(3), rFeatureDefinition.getEnumParameters().size());
vcl::font::FeatureParameter const& rParameter1 = rFeatureDefinition.getEnumParameters()[0];
CPPUNIT_ASSERT_EQUAL(uint32_t(0), rParameter1.getCode());
CPPUNIT_ASSERT(!rParameter1.getDescription().isEmpty());
vcl::font::FeatureParameter const& rParameter2 = rFeatureDefinition.getEnumParameters()[1];
CPPUNIT_ASSERT_EQUAL(uint32_t(1), rParameter2.getCode());
CPPUNIT_ASSERT(!rParameter2.getDescription().isEmpty());
vcl::font::FeatureParameter const& rParameter3 = rFeatureDefinition.getEnumParameters()[2];
CPPUNIT_ASSERT_EQUAL(uint32_t(2), rParameter3.getCode());
CPPUNIT_ASSERT(!rParameter2.getDescription().isEmpty());
}
aVDev.disposeAndClear();
#endif // HAVE_MORE_FONTS
}
void FontFeatureTest::testParseFeature()
{
{ // No font features specified
vcl::font::FeatureParser aParser(u"Font name with no features");
CPPUNIT_ASSERT_EQUAL(size_t(0), aParser.getFeatures().size());
}
{ // One feature specified, no value
vcl::font::FeatureParser aParser(u"Font name:abcd");
CPPUNIT_ASSERT_EQUAL(size_t(1), aParser.getFeatures().size());
auto aFeatures = aParser.getFeatures();
CPPUNIT_ASSERT_EQUAL(vcl::font::featureCode("abcd"), aFeatures[0].m_nTag);
CPPUNIT_ASSERT_EQUAL(uint32_t(1), aFeatures[0].m_nValue);
}
{ // One feature specified, explicit value
vcl::font::FeatureParser aParser(u"Font name:abcd=5");
CPPUNIT_ASSERT_EQUAL(size_t(1), aParser.getFeatures().size());
auto aFeatures = aParser.getFeatures();
CPPUNIT_ASSERT_EQUAL(vcl::font::featureCode("abcd"), aFeatures[0].m_nTag);
CPPUNIT_ASSERT_EQUAL(uint32_t(5), aFeatures[0].m_nValue);
}
{ // One feature specified, explicit zero value
vcl::font::FeatureParser aParser(u"Font name:abcd=0");
CPPUNIT_ASSERT_EQUAL(size_t(1), aParser.getFeatures().size());
auto aFeatures = aParser.getFeatures();
CPPUNIT_ASSERT_EQUAL(vcl::font::featureCode("abcd"), aFeatures[0].m_nTag);
CPPUNIT_ASSERT_EQUAL(uint32_t(0), aFeatures[0].m_nValue);
}
{ // One feature specified, using plus prefix
vcl::font::FeatureParser aParser(u"Font name:+abcd");
CPPUNIT_ASSERT_EQUAL(size_t(1), aParser.getFeatures().size());
auto aFeatures = aParser.getFeatures();
CPPUNIT_ASSERT_EQUAL(vcl::font::featureCode("abcd"), aFeatures[0].m_nTag);
CPPUNIT_ASSERT_EQUAL(uint32_t(1), aFeatures[0].m_nValue);
}
{ // One feature specified, using minus prefix
vcl::font::FeatureParser aParser(u"Font name:-abcd");
CPPUNIT_ASSERT_EQUAL(size_t(1), aParser.getFeatures().size());
auto aFeatures = aParser.getFeatures();
CPPUNIT_ASSERT_EQUAL(vcl::font::featureCode("abcd"), aFeatures[0].m_nTag);
CPPUNIT_ASSERT_EQUAL(uint32_t(0), aFeatures[0].m_nValue);
}
{ // One feature specified, with empty character range
vcl::font::FeatureParser aParser(u"Font name:abcd[]");
CPPUNIT_ASSERT_EQUAL(size_t(1), aParser.getFeatures().size());
auto aFeatures = aParser.getFeatures();
CPPUNIT_ASSERT_EQUAL(vcl::font::featureCode("abcd"), aFeatures[0].m_nTag);
CPPUNIT_ASSERT_EQUAL(uint32_t(1), aFeatures[0].m_nValue);
CPPUNIT_ASSERT_EQUAL(static_cast<unsigned int>(0), aFeatures[0].m_nStart);
CPPUNIT_ASSERT_EQUAL(static_cast<unsigned int>(-1), aFeatures[0].m_nEnd);
}
{ // One feature specified, with empty character range
vcl::font::FeatureParser aParser(u"Font name:abcd[:]");
CPPUNIT_ASSERT_EQUAL(size_t(1), aParser.getFeatures().size());
auto aFeatures = aParser.getFeatures();
CPPUNIT_ASSERT_EQUAL(vcl::font::featureCode("abcd"), aFeatures[0].m_nTag);
CPPUNIT_ASSERT_EQUAL(uint32_t(1), aFeatures[0].m_nValue);
CPPUNIT_ASSERT_EQUAL(static_cast<unsigned int>(0), aFeatures[0].m_nStart);
CPPUNIT_ASSERT_EQUAL(static_cast<unsigned int>(-1), aFeatures[0].m_nEnd);
}
{ // One feature specified, with start character range
vcl::font::FeatureParser aParser(u"Font name:abcd[3:]");
CPPUNIT_ASSERT_EQUAL(size_t(1), aParser.getFeatures().size());
auto aFeatures = aParser.getFeatures();
CPPUNIT_ASSERT_EQUAL(vcl::font::featureCode("abcd"), aFeatures[0].m_nTag);
CPPUNIT_ASSERT_EQUAL(uint32_t(1), aFeatures[0].m_nValue);
CPPUNIT_ASSERT_EQUAL(static_cast<unsigned int>(3), aFeatures[0].m_nStart);
CPPUNIT_ASSERT_EQUAL(static_cast<unsigned int>(-1), aFeatures[0].m_nEnd);
}
{ // One feature specified, with end character range
vcl::font::FeatureParser aParser(u"Font name:abcd[:3]");
CPPUNIT_ASSERT_EQUAL(size_t(1), aParser.getFeatures().size());
auto aFeatures = aParser.getFeatures();
CPPUNIT_ASSERT_EQUAL(vcl::font::featureCode("abcd"), aFeatures[0].m_nTag);
CPPUNIT_ASSERT_EQUAL(uint32_t(1), aFeatures[0].m_nValue);
CPPUNIT_ASSERT_EQUAL(static_cast<unsigned int>(0), aFeatures[0].m_nStart);
CPPUNIT_ASSERT_EQUAL(static_cast<unsigned int>(3), aFeatures[0].m_nEnd);
}
{ // One feature specified, with character range
vcl::font::FeatureParser aParser(u"Font name:abcd[3:6]");
CPPUNIT_ASSERT_EQUAL(size_t(1), aParser.getFeatures().size());
auto aFeatures = aParser.getFeatures();
CPPUNIT_ASSERT_EQUAL(vcl::font::featureCode("abcd"), aFeatures[0].m_nTag);
CPPUNIT_ASSERT_EQUAL(uint32_t(1), aFeatures[0].m_nValue);
CPPUNIT_ASSERT_EQUAL(static_cast<unsigned int>(3), aFeatures[0].m_nStart);
CPPUNIT_ASSERT_EQUAL(static_cast<unsigned int>(6), aFeatures[0].m_nEnd);
}
{ // One feature specified, with character range
vcl::font::FeatureParser aParser(u"Font name:abcd[3]");
CPPUNIT_ASSERT_EQUAL(size_t(1), aParser.getFeatures().size());
auto aFeatures = aParser.getFeatures();
CPPUNIT_ASSERT_EQUAL(vcl::font::featureCode("abcd"), aFeatures[0].m_nTag);
CPPUNIT_ASSERT_EQUAL(uint32_t(1), aFeatures[0].m_nValue);
CPPUNIT_ASSERT_EQUAL(static_cast<unsigned int>(3), aFeatures[0].m_nStart);
CPPUNIT_ASSERT_EQUAL(static_cast<unsigned int>(4), aFeatures[0].m_nEnd);
}
{ // One feature specified, with character range and value
vcl::font::FeatureParser aParser(u"Font name:abcd[3:6]=2");
CPPUNIT_ASSERT_EQUAL(size_t(1), aParser.getFeatures().size());
auto aFeatures = aParser.getFeatures();
CPPUNIT_ASSERT_EQUAL(vcl::font::featureCode("abcd"), aFeatures[0].m_nTag);
CPPUNIT_ASSERT_EQUAL(uint32_t(2), aFeatures[0].m_nValue);
CPPUNIT_ASSERT_EQUAL(static_cast<unsigned int>(3), aFeatures[0].m_nStart);
CPPUNIT_ASSERT_EQUAL(static_cast<unsigned int>(6), aFeatures[0].m_nEnd);
}
{ // One feature specified, with character range and 0 value
vcl::font::FeatureParser aParser(u"Font name:abcd[3:6]=0");
CPPUNIT_ASSERT_EQUAL(size_t(1), aParser.getFeatures().size());
auto aFeatures = aParser.getFeatures();
CPPUNIT_ASSERT_EQUAL(vcl::font::featureCode("abcd"), aFeatures[0].m_nTag);
CPPUNIT_ASSERT_EQUAL(uint32_t(0), aFeatures[0].m_nValue);
CPPUNIT_ASSERT_EQUAL(static_cast<unsigned int>(3), aFeatures[0].m_nStart);
CPPUNIT_ASSERT_EQUAL(static_cast<unsigned int>(6), aFeatures[0].m_nEnd);
}
{ // One feature specified, with character range and minus prefix
vcl::font::FeatureParser aParser(u"Font name:-abcd[3:6]");
CPPUNIT_ASSERT_EQUAL(size_t(1), aParser.getFeatures().size());
auto aFeatures = aParser.getFeatures();
CPPUNIT_ASSERT_EQUAL(vcl::font::featureCode("abcd"), aFeatures[0].m_nTag);
CPPUNIT_ASSERT_EQUAL(uint32_t(0), aFeatures[0].m_nValue);
CPPUNIT_ASSERT_EQUAL(static_cast<unsigned int>(3), aFeatures[0].m_nStart);
CPPUNIT_ASSERT_EQUAL(static_cast<unsigned int>(6), aFeatures[0].m_nEnd);
}
{ // One feature specified, with CSS on
vcl::font::FeatureParser aParser(u"Font name:\"abcd\" on");
CPPUNIT_ASSERT_EQUAL(size_t(1), aParser.getFeatures().size());
auto aFeatures = aParser.getFeatures();
CPPUNIT_ASSERT_EQUAL(vcl::font::featureCode("abcd"), aFeatures[0].m_nTag);
CPPUNIT_ASSERT_EQUAL(uint32_t(1), aFeatures[0].m_nValue);
}
{ // One feature specified, with CSS off
vcl::font::FeatureParser aParser(u"Font name:'abcd' off");
CPPUNIT_ASSERT_EQUAL(size_t(1), aParser.getFeatures().size());
auto aFeatures = aParser.getFeatures();
CPPUNIT_ASSERT_EQUAL(vcl::font::featureCode("abcd"), aFeatures[0].m_nTag);
CPPUNIT_ASSERT_EQUAL(uint32_t(0), aFeatures[0].m_nValue);
}
{ // One feature specified, with CSS value
vcl::font::FeatureParser aParser(u"Font name:\"abcd\" 2");
CPPUNIT_ASSERT_EQUAL(size_t(1), aParser.getFeatures().size());
auto aFeatures = aParser.getFeatures();
CPPUNIT_ASSERT_EQUAL(vcl::font::featureCode("abcd"), aFeatures[0].m_nTag);
CPPUNIT_ASSERT_EQUAL(uint32_t(2), aFeatures[0].m_nValue);
}
{ // Multiple features specified, no values
vcl::font::FeatureParser aParser(u"Font name:abcd&bcde&efgh");
CPPUNIT_ASSERT_EQUAL(size_t(3), aParser.getFeatures().size());
auto aFeatures = aParser.getFeatures();
CPPUNIT_ASSERT_EQUAL(vcl::font::featureCode("abcd"), aFeatures[0].m_nTag);
CPPUNIT_ASSERT_EQUAL(uint32_t(1), aFeatures[0].m_nValue);
CPPUNIT_ASSERT_EQUAL(vcl::font::featureCode("bcde"), aFeatures[1].m_nTag);
CPPUNIT_ASSERT_EQUAL(uint32_t(1), aFeatures[1].m_nValue);
CPPUNIT_ASSERT_EQUAL(vcl::font::featureCode("efgh"), aFeatures[2].m_nTag);
CPPUNIT_ASSERT_EQUAL(uint32_t(1), aFeatures[2].m_nValue);
}
{
// Multiple features specified, explicit values
// Only 4 char parameter names supported - "toolong" is too long and ignored
vcl::font::FeatureParser aParser(u"Font name:abcd=1&bcde=0&toolong=1&cdef=3");
CPPUNIT_ASSERT_EQUAL(size_t(3), aParser.getFeatures().size());
auto aFeatures = aParser.getFeatures();
CPPUNIT_ASSERT_EQUAL(vcl::font::featureCode("abcd"), aFeatures[0].m_nTag);
CPPUNIT_ASSERT_EQUAL(uint32_t(1), aFeatures[0].m_nValue);
CPPUNIT_ASSERT_EQUAL(vcl::font::featureCode("bcde"), aFeatures[1].m_nTag);
CPPUNIT_ASSERT_EQUAL(uint32_t(0), aFeatures[1].m_nValue);
CPPUNIT_ASSERT_EQUAL(vcl::font::featureCode("cdef"), aFeatures[2].m_nTag);
CPPUNIT_ASSERT_EQUAL(uint32_t(3), aFeatures[2].m_nValue);
}
{
// Special case - "lang" is parsed specially and access separately not as a feature.
vcl::font::FeatureParser aParser(u"Font name:abcd=1&lang=slo");
CPPUNIT_ASSERT_EQUAL(size_t(1), aParser.getFeatures().size());
auto aFeatures = aParser.getFeatures();
CPPUNIT_ASSERT_EQUAL(vcl::font::featureCode("abcd"), aFeatures[0].m_nTag);
CPPUNIT_ASSERT_EQUAL(uint32_t(1), aFeatures[0].m_nValue);
CPPUNIT_ASSERT_EQUAL(u"slo"_ustr, aParser.getLanguage());
}
}
CPPUNIT_TEST_SUITE_REGISTRATION(FontFeatureTest);
CPPUNIT_PLUGIN_IMPLEMENT();
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */