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/*
SPDX-FileCopyrightText: 2016 Volker Krause <vkrause@kde.org>
SPDX-License-Identifier: MIT
*/
#include "test-config.h"
#include <KSyntaxHighlighting/AbstractHighlighter>
#include <KSyntaxHighlighting/Definition>
#include <KSyntaxHighlighting/FoldingRegion>
#include <KSyntaxHighlighting/Repository>
#include <KSyntaxHighlighting/State>
#include <QDir>
#include <QFile>
#include <QObject>
#include <QStandardPaths>
#include <QTest>
#include <QTextStream>
#include <unordered_map>
using namespace KSyntaxHighlighting;
class FoldingHighlighter : public AbstractHighlighter
{
public:
void highlightFile(const QString &inFileName, const QString &outFileName)
{
QFile outFile(outFileName);
if (!outFile.open(QFile::WriteOnly | QFile::Truncate)) {
qWarning() << "Failed to open output file" << outFileName << ":" << outFile.errorString();
return;
}
m_out.setDevice(&outFile);
QFile f(inFileName);
if (!f.open(QFile::ReadOnly)) {
qWarning() << "Failed to open input file" << inFileName << ":" << f.errorString();
return;
}
QTextStream in(&f);
State state;
bool indentationFoldEnabled = definition().indentationBasedFoldingEnabled();
if (indentationFoldEnabled) {
m_out << "<indentfold>";
}
while (!in.atEnd()) {
const auto currentLine = in.readLine();
state = highlightLine(currentLine, state);
if (indentationFoldEnabled != state.indentationBasedFoldingEnabled()) {
indentationFoldEnabled = state.indentationBasedFoldingEnabled();
if (indentationFoldEnabled) {
m_out << "<indentfold>";
} else {
m_out << "</indentfold>";
}
}
int offset = 0;
for (const auto &fold : std::as_const(m_folds)) {
// use stable ids for output, see below docs for m_stableFoldingIds
const auto stableId = m_stableFoldingIds[fold.region.id()];
m_out << currentLine.mid(offset, fold.offset - offset);
if (fold.region.type() == FoldingRegion::Begin) {
m_out << "<beginfold id='" << stableId << "'>";
} else {
m_out << "<endfold id='" << stableId << "'>";
}
m_out << currentLine.mid(fold.offset, fold.length);
if (fold.region.type() == FoldingRegion::Begin) {
m_out << "</beginfold id='" << stableId << "'>";
} else {
m_out << "</endfold id='" << stableId << "'>";
}
offset = fold.offset + fold.length;
}
m_out << currentLine.mid(offset) << '\n';
m_folds.clear();
}
m_out.flush();
}
protected:
void applyFormat(int offset, int length, const Format &format) override
{
Q_UNUSED(offset);
Q_UNUSED(length);
Q_UNUSED(format);
}
void applyFolding(int offset, int length, FoldingRegion region) override
{
Q_ASSERT(region.isValid());
m_folds.push_back({offset, length, region});
// create stable id if needed, see below m_stableFoldingIds docs for details
// start with 1
m_stableFoldingIds.emplace(region.id(), m_stableFoldingIds.size() + 1);
}
private:
QTextStream m_out;
struct Fold {
int offset;
int length;
FoldingRegion region;
};
QList<Fold> m_folds;
// we use one repository for all tests
// => the folding ids might change even if just unrelated highlighings are added
// => construct some stable id per test based on occurrence of id
std::unordered_map<uint32_t, size_t> m_stableFoldingIds;
};
class FoldingTest : public QObject
{
Q_OBJECT
public:
explicit FoldingTest(QObject *parent = nullptr)
: QObject(parent)
, m_repo(nullptr)
{
}
private:
Repository *m_repo;
private Q_SLOTS:
void initTestCase()
{
QStandardPaths::setTestModeEnabled(true);
m_repo = new Repository;
initRepositorySearchPaths(*m_repo);
}
void cleanupTestCase()
{
delete m_repo;
m_repo = nullptr;
}
void testFolding_data()
{
QTest::addColumn<QString>("inFile");
QTest::addColumn<QString>("outFile");
QTest::addColumn<QString>("refFile");
QTest::addColumn<QString>("syntax");
const QDir dir(QStringLiteral(TESTSRCDIR "/input"));
for (const auto &fileName : dir.entryList(QDir::Files | QDir::NoSymLinks | QDir::Readable | QDir::Hidden, QDir::Name)) {
// skip .clang-format file we use to avoid formatting test files
if (fileName == QLatin1String(".clang-format")) {
continue;
}
const auto inFile = dir.absoluteFilePath(fileName);
if (inFile.endsWith(QLatin1String(".syntax"))) {
continue;
}
QString syntax;
QFile syntaxOverride(inFile + QStringLiteral(".syntax"));
if (syntaxOverride.exists() && syntaxOverride.open(QFile::ReadOnly)) {
syntax = QString::fromUtf8(syntaxOverride.readAll()).trimmed();
}
QTest::newRow(fileName.toUtf8().constData()) << inFile << (QStringLiteral(TESTBUILDDIR "/folding.out/") + fileName + QStringLiteral(".fold"))
<< (QStringLiteral(TESTSRCDIR "/folding/") + fileName + QStringLiteral(".fold")) << syntax;
}
// cleanup before we test
QDir(QStringLiteral(TESTBUILDDIR "/folding.out/")).removeRecursively();
QDir().mkpath(QStringLiteral(TESTBUILDDIR "/folding.out/"));
}
void testFolding()
{
QFETCH(QString, inFile);
QFETCH(QString, outFile);
QFETCH(QString, refFile);
QFETCH(QString, syntax);
QVERIFY(m_repo);
auto def = m_repo->definitionForFileName(inFile);
if (!syntax.isEmpty()) {
def = m_repo->definitionForName(syntax);
}
FoldingHighlighter highlighter;
QVERIFY(def.isValid());
highlighter.setDefinition(def);
highlighter.highlightFile(inFile, outFile);
/**
* compare results
*/
compareFiles(refFile, outFile);
}
};
QTEST_GUILESS_MAIN(FoldingTest)
#include "foldingtest.moc"
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