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filesystem: Add QFSEngine for filepaths

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Change-Id: Ibd0c88c69863c0877138d8cc45541530c359bd9c
Reviewed-by: hjk <hjk@qt.io>
This commit is contained in:
Marcus Tillmanns
2022-05-31 11:16:44 +02:00
parent a5d44fb32b
commit 3462bc67be
87 changed files with 2194 additions and 192 deletions
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141
src/libs/utils/filepath.cpp
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@@ -39,6 +39,7 @@
#include <QRegularExpression>
#include <QStorageInfo>
#include <QUrl>
#include <QStringView>
#ifdef Q_OS_WIN
#ifdef QTCREATOR_PCH_H
@@ -480,9 +481,20 @@ QString FilePath::toString() const
{
if (m_scheme.isEmpty())
return m_data;
if (m_data.startsWith('/'))
return m_scheme + "://" + hostEncoded(m_host) + m_data;
return m_scheme + "://" + hostEncoded(m_host) + "/./" + m_data;
return specialPath(SpecialPathComponent::RootPath) + "/" + m_scheme + "/" + hostEncoded(m_host) + m_data;
return specialPath(SpecialPathComponent::RootPath) + "/" + m_scheme + "/" + hostEncoded(m_host) + "/./" + m_data;
}
QString FilePath::toFSPathString() const
{
if (m_scheme.isEmpty())
return m_data;
if (m_data.startsWith('/'))
return specialPath(SpecialPathComponent::RootPath) + "/" + m_scheme + "/" + hostEncoded(m_host) + m_data;
return specialPath(SpecialPathComponent::RootPath) + "/" + m_scheme + "/" + hostEncoded(m_host) + "/./" + m_data;
}
QUrl FilePath::toUrl() const
@@ -504,6 +516,12 @@ void FileUtils::setDeviceFileHooks(const DeviceFileHooks &hooks)
/// this path belongs to.
QString FilePath::toUserOutput() const
{
if (needsDevice()) {
if (m_data.startsWith('/'))
return m_scheme + "://" + hostEncoded(m_host) + m_data;
return m_scheme + "://" + hostEncoded(m_host) + "/./" + m_data;
}
FilePath tmp = *this;
if (osType() == OsTypeWindows)
tmp.m_data.replace('/', '\\');
@@ -941,6 +959,27 @@ FilePath FilePath::absoluteFilePath() const
return result;
}
QString FilePath::specialPath(SpecialPathComponent component)
{
switch (component) {
case SpecialPathComponent::RootName:
return QLatin1String("__qtc_devices__");
case SpecialPathComponent::RootPath:
return (QDir::rootPath() + "__qtc_devices__");
case SpecialPathComponent::DeviceRootName:
return QLatin1String("device");
case SpecialPathComponent::DeviceRootPath:
return QDir::rootPath() + "__qtc_devices__/device";
}
QTC_ASSERT(false, return {});
}
FilePath FilePath::specialFilePath(SpecialPathComponent component)
{
return FilePath::fromString(specialPath(component));
}
FilePath FilePath::normalizedPathName() const
{
FilePath result = *this;
@@ -1005,28 +1044,88 @@ FilePath FilePath::fromString(const QString &filepath)
void FilePath::setFromString(const QString &filename)
{
if (filename.startsWith('/')) {
m_data = filename; // fast track: absolute local paths
} else {
int pos1 = filename.indexOf("://");
if (pos1 >= 0) {
m_scheme = filename.left(pos1);
pos1 += 3;
int pos2 = filename.indexOf('/', pos1);
if (pos2 == -1) {
m_data = filename.mid(pos1);
} else {
m_host = filename.mid(pos1, pos2 - pos1);
m_host.replace("%2f", "/");
m_host.replace("%25", "%");
m_data = filename.mid(pos2);
#ifndef UTILS_FILEPATH_USE_REGEXP
static const QLatin1String qtcDevSlash("__qtc_devices__/");
const QStringView fileNameView(filename);
const QString rootPath = QDir::rootPath();
if (fileNameView.startsWith(rootPath, Qt::CaseInsensitive)) { // Absolute path ...
const QStringView withoutRootPath = fileNameView.mid(rootPath.size());
if (withoutRootPath.startsWith(qtcDevSlash)) { // Starts with "/__qtc_devices__/" ...
const QStringView withoutQtcDeviceRoot = withoutRootPath.mid(qtcDevSlash.size());
const auto firstSlash = withoutQtcDeviceRoot.indexOf('/');
if (firstSlash != -1) {
m_scheme = withoutQtcDeviceRoot.left(firstSlash).toString();
const auto secondSlash = withoutQtcDeviceRoot.indexOf('/', firstSlash + 1);
m_host = withoutQtcDeviceRoot.mid(firstSlash + 1, secondSlash - firstSlash - 1)
.toString();
if (secondSlash != -1) {
const QStringView path = withoutQtcDeviceRoot.mid(secondSlash);
m_data = path.startsWith(QLatin1String("/./")) ? path.mid(3).toString()
: path.toString();
return;
}
m_data = "/";
return;
}
if (m_data.startsWith("/./"))
m_data = m_data.mid(3);
} else {
m_data = filename; // treat everything else as local, too.
m_scheme = "";
m_host = "";
m_data = filename;
return;
}
}
const auto firstSlash = filename.indexOf('/');
const auto schemeEnd = filename.indexOf("://");
if (schemeEnd != -1 && schemeEnd < firstSlash) {
// This is a pseudo Url, we can't use QUrl here sadly.
m_scheme = filename.left(schemeEnd);
const auto hostEnd = filename.indexOf('/', schemeEnd + 3);
m_host = filename.mid(schemeEnd + 3, hostEnd - schemeEnd - 3);
m_data = filename.mid(hostEnd);
return;
}
m_data = filename;
return;
#else
// Convert the root path ( "/" or e.g. "c:/") to a regex match string ( e.g. ^[(?i)c(?-i)]:\/ )
// (?i) will turn on case insensitivity, (?-i) will turn it off again.
static const QString rootPart = '^'
+ QDir::rootPath()
.replace('/', "\\/")
.replace(QRegularExpression("([a-zA-Z])"),
R"((?i)[\1](?-i))");
static const QString pathPattern = rootPart + specialPath(SpecialPathComponent::RootName)
+ QString(R"(\/([^\/]+)\/([^\/]+)(\/.*)?)");
static const QRegularExpression rePath(pathPattern);
static const QRegularExpression reUrl(R"(^\/?([^:]+):\/{2}([^\/]*)(\/.*))");
const auto m = filename.startsWith(specialPath(SpecialPathComponent::RootPath),
Qt::CaseInsensitive)
? rePath.match(filename)
: reUrl.match(filename);
if (m.hasMatch()) {
m_scheme = m.captured(1);
m_host = m.captured(2);
m_host.replace("%2f", "/");
m_host.replace("%25", "%");
m_data = m.captured(3).isEmpty() ? "/" : m.captured(3);
} else {
m_data = filename;
}
#endif
}
/// Constructs a FilePath from \a filePath. The \a defaultExtension is appended