100 lines
3.6 KiB
C++
100 lines
3.6 KiB
C++
// Filename: virtualFileMount.cxx
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// Created by: drose (03Aug02)
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//
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////////////////////////////////////////////////////////////////////
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//
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// PANDA 3D SOFTWARE
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// Copyright (c) Carnegie Mellon University. All rights reserved.
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//
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// All use of this software is subject to the terms of the revised BSD
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// license. You should have received a copy of this license along
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// with this source code in a file named "LICENSE."
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//
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////////////////////////////////////////////////////////////////////
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#include "virtualFileMount.h"
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#include "virtualFileSimple.h"
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TypeHandle VirtualFileMount::_type_handle;
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////////////////////////////////////////////////////////////////////
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// Function: VirtualFileMount::Destructor
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// Access: Public, Virtual
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// Description:
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////////////////////////////////////////////////////////////////////
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VirtualFileMount::
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~VirtualFileMount() {
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nassertv(_file_system == NULL);
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}
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////////////////////////////////////////////////////////////////////
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// Function: VirtualFileMount::make_virtual_file
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// Access: Public, Virtual
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// Description: Constructs and returns a new VirtualFile instance
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// that corresponds to the indicated filename within
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// this mount point. The returned VirtualFile object
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// does not imply that the given file actually exists;
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// but if the file does exist, then the handle can be
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// used to read it.
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////////////////////////////////////////////////////////////////////
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PT(VirtualFile) VirtualFileMount::
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make_virtual_file(const Filename &local_filename,
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const Filename &original_filename, bool implicit_pz_file,
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bool) {
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Filename local(local_filename);
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if (original_filename.is_text()) {
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local.set_text();
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}
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PT(VirtualFileSimple) file =
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new VirtualFileSimple(this, local, implicit_pz_file);
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file->set_original_filename(original_filename);
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return file.p();
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}
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////////////////////////////////////////////////////////////////////
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// Function: VirtualFileMount::close_read_file
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// Access: Public
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// Description: Closes a file opened by a previous call to
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// open_read_file(). This really just deletes the
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// istream pointer, but it is recommended to use this
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// interface instead of deleting it explicitly, to help
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// work around compiler issues.
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////////////////////////////////////////////////////////////////////
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void VirtualFileMount::
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close_read_file(istream *stream) const {
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if (stream != (istream *)NULL) {
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// For some reason--compiler bug in gcc 3.2?--explicitly deleting
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// the stream pointer does not call the appropriate global delete
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// function; instead apparently calling the system delete
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// function. So we call the delete function by hand instead.
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#if !defined(USE_MEMORY_NOWRAPPERS) && defined(REDEFINE_GLOBAL_OPERATOR_NEW)
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stream->~istream();
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(*global_operator_delete)(stream);
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#else
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delete stream;
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#endif
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}
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}
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////////////////////////////////////////////////////////////////////
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// Function: VirtualFileMount::output
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// Access: Public, Virtual
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// Description:
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////////////////////////////////////////////////////////////////////
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void VirtualFileMount::
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output(ostream &out) const {
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out << get_type();
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}
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////////////////////////////////////////////////////////////////////
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// Function: VirtualFileMount::write
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// Access: Public, Virtual
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// Description:
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////////////////////////////////////////////////////////////////////
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void VirtualFileMount::
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write(ostream &out) const {
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out << *this << " on /" << get_mount_point() << "\n";
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}
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