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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include "cppfileiterationorder.h"
#include <utils/qtcassert.h>
using namespace Utils;
namespace CppEditor {
FileIterationOrder::Entry::Entry(const FilePath &filePath,
const QString &projectPartId,
int commonPrefixLength,
int commonProjectPartPrefixLength)
: filePath(filePath)
, projectPartId(projectPartId)
, commonFilePathPrefixLength(commonPrefixLength)
, commonProjectPartPrefixLength(commonProjectPartPrefixLength)
{}
namespace {
bool cmpPrefixLengthAndText(int prefixLength1, int prefixLength2)
{
return prefixLength1 > prefixLength2;
}
bool cmpLessFilePath(const FileIterationOrder::Entry &first,
const FileIterationOrder::Entry &second)
{
return cmpPrefixLengthAndText(first.commonFilePathPrefixLength,
second.commonFilePathPrefixLength);
}
bool cmpLessProjectPartId(const FileIterationOrder::Entry &first,
const FileIterationOrder::Entry &second)
{
return cmpPrefixLengthAndText(first.commonProjectPartPrefixLength,
second.commonProjectPartPrefixLength);
}
bool hasProjectPart(const FileIterationOrder::Entry &entry)
{
return !entry.projectPartId.isEmpty();
}
} // anonymous namespace
bool operator<(const FileIterationOrder::Entry &first, const FileIterationOrder::Entry &second)
{
if (hasProjectPart(first)) {
if (hasProjectPart(second)) {
if (first.projectPartId == second.projectPartId)
return cmpLessFilePath(first, second);
else
return cmpLessProjectPartId(first, second);
} else {
return true;
}
} else {
if (hasProjectPart(second))
return false;
else
return cmpLessFilePath(first, second);
}
}
FileIterationOrder::FileIterationOrder() = default;
FileIterationOrder::FileIterationOrder(const FilePath &referenceFilePath,
const QString &referenceProjectPartId)
{
setReference(referenceFilePath, referenceProjectPartId);
}
void FileIterationOrder::setReference(const FilePath &filePath,
const QString &projectPartId)
{
m_referenceFilePath = filePath;
m_referenceProjectPartId = projectPartId;
}
bool FileIterationOrder::isValid() const
{
return !m_referenceFilePath.isEmpty();
}
static int commonPrefixLength(const QStringView filePath1, const QStringView filePath2)
{
const auto mismatches = std::mismatch(filePath1.begin(), filePath1.end(),
filePath2.begin(), filePath2.end());
return mismatches.first - filePath1.begin();
}
FileIterationOrder::Entry FileIterationOrder::createEntryFromFilePath(
const FilePath &filePath,
const QString &projectPartId) const
{
const int filePrefixLength = commonPrefixLength(m_referenceFilePath.pathView(), filePath.pathView());
const int projectPartPrefixLength = commonPrefixLength(m_referenceProjectPartId, projectPartId);
return Entry(filePath, projectPartId, filePrefixLength, projectPartPrefixLength);
}
void FileIterationOrder::insert(const FilePath &filePath, const QString &projectPartId)
{
const Entry entry = createEntryFromFilePath(filePath, projectPartId);
m_set.insert(entry);
}
void FileIterationOrder::remove(const FilePath &filePath, const QString &projectPartId)
{
const auto needleElement = createEntryFromFilePath(filePath, projectPartId);
const auto range = m_set.equal_range(needleElement);
const auto toRemove = std::find_if(range.first, range.second, [filePath] (const Entry &entry) {
return entry.filePath == filePath;
});
QTC_ASSERT(toRemove != range.second, return);
m_set.erase(toRemove);
}
QStringList FileIterationOrder::toStringList() const
{
QStringList result;
for (const auto &entry : m_set)
result.append(entry.filePath.toString());
return result;
}
Utils::FilePaths FileIterationOrder::toFilePaths() const
{
FilePaths result;
for (const auto &entry : m_set)
result.append(entry.filePath);
return result;
}
} // namespace CppEditor
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