diff options
Diffstat (limited to 'src/corelib/io/qtemporaryfile_p.h')
-rw-r--r-- | src/corelib/io/qtemporaryfile_p.h | 52 |
1 files changed, 44 insertions, 8 deletions
diff --git a/src/corelib/io/qtemporaryfile_p.h b/src/corelib/io/qtemporaryfile_p.h index 7f365f0e8a..fb8887af53 100644 --- a/src/corelib/io/qtemporaryfile_p.h +++ b/src/corelib/io/qtemporaryfile_p.h @@ -53,25 +53,48 @@ #include <QtCore/qglobal.h> -#ifndef QT_NO_TEMPORARYFILE - #include "private/qfsfileengine_p.h" #include "private/qfilesystemengine_p.h" #include "private/qfile_p.h" +#include "qtemporaryfile.h" + +#if defined(Q_OS_LINUX) && QT_CONFIG(linkat) +# include <fcntl.h> +# ifdef O_TMPFILE +// some early libc support had the wrong values for O_TMPFILE +// (see https://bugzilla.gnome.org/show_bug.cgi?id=769453#c18) +# if (O_TMPFILE & O_DIRECTORY) == O_DIRECTORY +# define LINUX_UNNAMED_TMPFILE +# endif +# endif +#endif QT_BEGIN_NAMESPACE +struct QTemporaryFileName +{ + QFileSystemEntry::NativePath path; + qsizetype pos; + qsizetype length; + + QTemporaryFileName(const QString &templateName); + QFileSystemEntry::NativePath generateNext(); +}; + +#ifndef QT_NO_TEMPORARYFILE + class QTemporaryFilePrivate : public QFilePrivate { Q_DECLARE_PUBLIC(QTemporaryFile) -protected: +public: QTemporaryFilePrivate(); explicit QTemporaryFilePrivate(const QString &templateNameIn); ~QTemporaryFilePrivate(); QAbstractFileEngine *engine() const override; void resetFileEngine() const; + void materializeUnnamedFile(); bool autoRemove = true; QString templateName = defaultTemplateName(); @@ -85,37 +108,50 @@ class QTemporaryFileEngine : public QFSFileEngine { Q_DECLARE_PRIVATE(QFSFileEngine) public: + QTemporaryFileEngine(const QString *templateName) + : templateName(*templateName) + {} + void initialize(const QString &file, quint32 mode, bool nameIsTemplate = true) { Q_D(QFSFileEngine); Q_ASSERT(!isReallyOpen()); fileMode = mode; filePathIsTemplate = filePathWasTemplate = nameIsTemplate; - d->fileEntry = QFileSystemEntry(file); - if (!filePathIsTemplate) + if (filePathIsTemplate) { + d->fileEntry.clear(); + } else { + d->fileEntry = QFileSystemEntry(file); QFSFileEngine::setFileName(file); + } } ~QTemporaryFileEngine(); bool isReallyOpen() const; void setFileName(const QString &file) override; - void setFileTemplate(const QString &fileTemplate); bool open(QIODevice::OpenMode flags) override; bool remove() override; bool rename(const QString &newName) override; bool renameOverwrite(const QString &newName) override; bool close() override; + QString fileName(FileName file) const override; + enum MaterializationMode { Overwrite, DontOverwrite, NameIsTemplate }; + bool materializeUnnamedFile(const QString &newName, MaterializationMode mode); + bool isUnnamedFile() const override final; + + const QString &templateName; quint32 fileMode; bool filePathIsTemplate; bool filePathWasTemplate; + bool unnamedFile = false; }; -QT_END_NAMESPACE - #endif // QT_NO_TEMPORARYFILE +QT_END_NAMESPACE + #endif /* QTEMPORARYFILE_P_H */ |