98 lines
2.7 KiB
C
98 lines
2.7 KiB
C
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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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* @file bamFile.h
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* @author drose
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* @date 2000-07-02
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*/
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#ifndef BAMFILE_H
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#define BAMFILE_H
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#include "pandabase.h"
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#include "datagramInputFile.h"
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#include "datagramOutputFile.h"
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#include "pandaNode.h"
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#include "pointerTo.h"
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#include "bamEnums.h"
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class BamReader;
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class BamWriter;
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class TypedWritable;
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class Filename;
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/**
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* The principle public interface to reading and writing Bam disk files. See
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* also BamReader and BamWriter, the more general implementation of this
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* class.
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*
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* Bam files are most often used to store scene graphs or subgraphs, and by
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* convention they are given filenames ending in the extension ".bam" when
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* they are used for this purpose. However, a Bam file may store any
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* arbitrary list of TypedWritable objects; in this more general usage, they
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* are given filenames ending in ".boo" to differentiate them from the more
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* common scene graph files.
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*/
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class EXPCL_PANDA_PGRAPH BamFile : public BamEnums {
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PUBLISHED:
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BamFile();
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~BamFile();
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bool open_read(const Filename &bam_filename, bool report_errors = true);
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bool open_read(std::istream &in, const std::string &bam_filename = "stream",
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bool report_errors = true);
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TypedWritable *read_object();
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bool is_eof() const;
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bool resolve();
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PT(PandaNode) read_node(bool report_errors = true);
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bool open_write(const Filename &bam_filename, bool report_errors = true);
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bool open_write(std::ostream &out, const std::string &bam_filename = "stream",
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bool report_errors = true);
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bool write_object(const TypedWritable *object);
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void close();
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INLINE bool is_valid_read() const;
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INLINE bool is_valid_write() const;
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int get_file_major_ver();
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int get_file_minor_ver();
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BamEndian get_file_endian() const;
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bool get_file_stdfloat_double() const;
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int get_current_major_ver();
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int get_current_minor_ver();
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BamReader *get_reader();
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BamWriter *get_writer();
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PUBLISHED:
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MAKE_PROPERTY(file_endian, get_file_endian);
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MAKE_PROPERTY(file_stdfloat_double, get_file_stdfloat_double);
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MAKE_PROPERTY(reader, get_reader);
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MAKE_PROPERTY(writer, get_writer);
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private:
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bool continue_open_read(const std::string &bam_filename, bool report_errors);
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bool continue_open_write(const std::string &bam_filename, bool report_errors);
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std::string _bam_filename;
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DatagramInputFile _din;
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DatagramOutputFile _dout;
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BamReader *_reader;
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BamWriter *_writer;
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};
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#include "bamFile.I"
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#endif
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