open_toontown_panda3d/direct/src/dcparser/dcPacker.I

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// Filename: dcPacker.I
// Created by: drose (15Jun04)
//
////////////////////////////////////////////////////////////////////
//
// PANDA 3D SOFTWARE
// Copyright (c) 2001 - 2004, Disney Enterprises, Inc. All rights reserved
//
// All use of this software is subject to the terms of the Panda 3d
// Software license. You should have received a copy of this license
// along with this source code; you will also find a current copy of
// the license at http://etc.cmu.edu/panda3d/docs/license/ .
//
// To contact the maintainers of this program write to
// panda3d-general@lists.sourceforge.net .
//
////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////
// Function: DCPacker::clear_data
// Access: Published
// Description: Empties the data in the pack buffer and unpack
// buffer. This should be called between calls to
// begin_pack(), unless you want to concatenate all of
// the pack results together.
////////////////////////////////////////////////////////////////////
INLINE void DCPacker::
clear_data() {
_pack_data.clear();
if (_owns_unpack_data) {
delete[] _unpack_data;
_owns_unpack_data = false;
}
_unpack_data = NULL;
}
////////////////////////////////////////////////////////////////////
// Function: DCPacker::has_nested_fields
// Access: Published
// Description: Returns true if the current field has any nested
// fields (and thus expects a push() .. pop()
// interface), or false otherwise. If this returns
// true, get_num_nested_fields() may be called to
// determine how many nested fields are expected.
////////////////////////////////////////////////////////////////////
INLINE bool DCPacker::
has_nested_fields() const {
if (_current_field == NULL) {
return false;
} else {
return _current_field->has_nested_fields();
}
}
////////////////////////////////////////////////////////////////////
// Function: DCPacker::get_num_nested_fields
// Access: Published
// Description: Returns the number of nested fields associated with
// the current field, if has_nested_fields() returned
// true.
//
// The return value may be -1 to indicate that a
// variable number of nested fields are accepted by this
// field type (e.g. a variable-length array).
//
// Note that this method is unreliable to determine how
// many fields you must traverse before you can call
// pop(), since particularly in the presence of a
// DCSwitch, it may change during traversal. Use
// more_nested_fields() instead.
////////////////////////////////////////////////////////////////////
INLINE int DCPacker::
get_num_nested_fields() const {
return _num_nested_fields;
}
////////////////////////////////////////////////////////////////////
// Function: DCPacker::more_nested_fields
// Access: Published
// Description: Returns true if there are more nested fields to pack
// or unpack in the current push sequence, false if it
// is time to call pop().
////////////////////////////////////////////////////////////////////
INLINE bool DCPacker::
more_nested_fields() const {
return (_current_field != (DCPackerInterface *)NULL && !_pack_error);
}
////////////////////////////////////////////////////////////////////
// Function: DCPacker::get_current_parent
// Access: Published
// Description: Returns the field that we left in our last call to
// push(): the owner of the current level of fields.
// This may be NULL at the beginning of the pack
// operation.
////////////////////////////////////////////////////////////////////
INLINE const DCPackerInterface *DCPacker::
get_current_parent() const {
return _current_parent;
}
////////////////////////////////////////////////////////////////////
// Function: DCPacker::get_current_field
// Access: Published
// Description: Returns the field that will be referenced by the next
// call to pack_*() or unpack_*(). This will be NULL if
// we have unpacked (or packed) all fields, or if it is
// time to call pop().
////////////////////////////////////////////////////////////////////
INLINE const DCPackerInterface *DCPacker::
get_current_field() const {
return _current_field;
}
////////////////////////////////////////////////////////////////////
// Function: DCPacker::get_last_switch
// Access: Published
// Description: Returns a pointer to the last DCSwitch instance that
// we have passed by and selected one case of during the
// pack/unpack process. Each time we encounter a new
// DCSwitch and select a case, this will change state.
//
// This may be used to detect when a DCSwitch has been
// selected. At the moment this changes state,
// get_current_parent() will contain the particular
// SwitchCase that was selected by the switch.
////////////////////////////////////////////////////////////////////
INLINE const DCSwitchParameter *DCPacker::
get_last_switch() const {
return _last_switch;
}
////////////////////////////////////////////////////////////////////
// Function: DCPacker::get_pack_type
// Access: Published
// Description: Returns the type of value expected by the current
// field. See the enumerated type definition at the top
// of DCPackerInterface.h. If this returns one of
// PT_double, PT_int, PT_int64, or PT_string, then you
// should call the corresponding pack_double(),
// pack_int() function (or unpack_double(),
// unpack_int(), etc.) to transfer data. Otherwise, you
// should call push() and begin packing or unpacking the
// nested fields.
////////////////////////////////////////////////////////////////////
INLINE DCPackType DCPacker::
get_pack_type() const {
if (_current_field == NULL) {
return PT_invalid;
} else {
return _current_field->get_pack_type();
}
}
////////////////////////////////////////////////////////////////////
// Function: DCPacker::get_current_field_name
// Access: Published
// Description: Returns the name of the current field, if it has a
// name, or the empty string if the field does not have
// a name or there is no current field.
////////////////////////////////////////////////////////////////////
INLINE string DCPacker::
get_current_field_name() const {
if (_current_field == NULL) {
return string();
} else {
return _current_field->get_name();
}
}
////////////////////////////////////////////////////////////////////
// Function: DCPacker::pack_double
// Access: Published
// Description: Packs the indicated numeric or string value into the
// stream.
////////////////////////////////////////////////////////////////////
INLINE void DCPacker::
pack_double(double value) {
nassertv(_mode == M_pack || _mode == M_repack);
if (_current_field == NULL) {
_pack_error = true;
} else {
_current_field->pack_double(_pack_data, value, _pack_error, _range_error);
advance();
}
}
////////////////////////////////////////////////////////////////////
// Function: DCPacker::pack_int
// Access: Published
// Description: Packs the indicated numeric or string value into the
// stream.
////////////////////////////////////////////////////////////////////
INLINE void DCPacker::
pack_int(int value) {
nassertv(_mode == M_pack || _mode == M_repack);
if (_current_field == NULL) {
_pack_error = true;
} else {
_current_field->pack_int(_pack_data, value, _pack_error, _range_error);
advance();
}
}
////////////////////////////////////////////////////////////////////
// Function: DCPacker::pack_uint
// Access: Published
// Description: Packs the indicated numeric or string value into the
// stream.
////////////////////////////////////////////////////////////////////
INLINE void DCPacker::
pack_uint(unsigned int value) {
nassertv(_mode == M_pack || _mode == M_repack);
if (_current_field == NULL) {
_pack_error = true;
} else {
_current_field->pack_uint(_pack_data, value, _pack_error, _range_error);
advance();
}
}
////////////////////////////////////////////////////////////////////
// Function: DCPacker::pack_int64
// Access: Published
// Description: Packs the indicated numeric or string value into the
// stream.
////////////////////////////////////////////////////////////////////
INLINE void DCPacker::
pack_int64(PN_int64 value) {
nassertv(_mode == M_pack || _mode == M_repack);
if (_current_field == NULL) {
_pack_error = true;
} else {
_current_field->pack_int64(_pack_data, value, _pack_error, _range_error);
advance();
}
}
////////////////////////////////////////////////////////////////////
// Function: DCPacker::pack_uint64
// Access: Published
// Description: Packs the indicated numeric or string value into the
// stream.
////////////////////////////////////////////////////////////////////
INLINE void DCPacker::
pack_uint64(PN_uint64 value) {
nassertv(_mode == M_pack || _mode == M_repack);
if (_current_field == NULL) {
_pack_error = true;
} else {
_current_field->pack_uint64(_pack_data, value, _pack_error, _range_error);
advance();
}
}
////////////////////////////////////////////////////////////////////
// Function: DCPacker::pack_string
// Access: Published
// Description: Packs the indicated numeric or string value into the
// stream.
////////////////////////////////////////////////////////////////////
INLINE void DCPacker::
pack_string(const string &value) {
nassertv(_mode == M_pack || _mode == M_repack);
if (_current_field == NULL) {
_pack_error = true;
} else {
_current_field->pack_string(_pack_data, value, _pack_error, _range_error);
advance();
}
}
////////////////////////////////////////////////////////////////////
// Function: DCPacker::pack_literal_value
// Access: Published
// Description: Adds the indicated string value into the stream,
// representing a single pre-packed field element, or a
// whole group of field elements at once.
////////////////////////////////////////////////////////////////////
INLINE void DCPacker::
pack_literal_value(const string &value) {
nassertv(_mode == M_pack || _mode == M_repack);
if (_current_field == NULL) {
_pack_error = true;
} else {
_pack_data.append_data(value.data(), value.length());
advance();
}
}
////////////////////////////////////////////////////////////////////
// Function: DCPacker::unpack_double
// Access: Published
// Description: Unpacks the current numeric or string value from the
// stream.
////////////////////////////////////////////////////////////////////
INLINE double DCPacker::
unpack_double() {
double value = 0.0;
nassertr(_mode == M_unpack, value);
if (_current_field == NULL) {
_pack_error = true;
} else {
_current_field->unpack_double(_unpack_data, _unpack_length, _unpack_p,
value, _pack_error, _range_error);
advance();
}
return value;
}
////////////////////////////////////////////////////////////////////
// Function: DCPacker::unpack_int
// Access: Published
// Description: Unpacks the current numeric or string value from the
// stream.
////////////////////////////////////////////////////////////////////
INLINE int DCPacker::
unpack_int() {
int value = 0;
nassertr(_mode == M_unpack, value);
if (_current_field == NULL) {
_pack_error = true;
} else {
_current_field->unpack_int(_unpack_data, _unpack_length, _unpack_p,
value, _pack_error, _range_error);
advance();
}
return value;
}
////////////////////////////////////////////////////////////////////
// Function: DCPacker::unpack_uint
// Access: Published
// Description: Unpacks the current numeric or string value from the
// stream.
////////////////////////////////////////////////////////////////////
INLINE unsigned int DCPacker::
unpack_uint() {
unsigned int value = 0;
nassertr(_mode == M_unpack, value);
if (_current_field == NULL) {
_pack_error = true;
} else {
_current_field->unpack_uint(_unpack_data, _unpack_length, _unpack_p,
value, _pack_error, _range_error);
advance();
}
return value;
}
////////////////////////////////////////////////////////////////////
// Function: DCPacker::unpack_int64
// Access: Published
// Description: Unpacks the current numeric or string value from the
// stream.
////////////////////////////////////////////////////////////////////
INLINE PN_int64 DCPacker::
unpack_int64() {
PN_int64 value = 0;
nassertr(_mode == M_unpack, value);
if (_current_field == NULL) {
_pack_error = true;
} else {
_current_field->unpack_int64(_unpack_data, _unpack_length, _unpack_p,
value, _pack_error, _range_error);
advance();
}
return value;
}
////////////////////////////////////////////////////////////////////
// Function: DCPacker::unpack_uint64
// Access: Published
// Description: Unpacks the current numeric or string value from the
// stream.
////////////////////////////////////////////////////////////////////
INLINE PN_uint64 DCPacker::
unpack_uint64() {
PN_uint64 value = 0;
nassertr(_mode == M_unpack, value);
if (_current_field == NULL) {
_pack_error = true;
} else {
_current_field->unpack_uint64(_unpack_data, _unpack_length, _unpack_p,
value, _pack_error, _range_error);
advance();
}
return value;
}
////////////////////////////////////////////////////////////////////
// Function: DCPacker::unpack_string
// Access: Published
// Description: Unpacks the current numeric or string value from the
// stream.
////////////////////////////////////////////////////////////////////
INLINE string DCPacker::
unpack_string() {
string value;
nassertr(_mode == M_unpack, value);
if (_current_field == NULL) {
_pack_error = true;
} else {
_current_field->unpack_string(_unpack_data, _unpack_length, _unpack_p,
value, _pack_error, _range_error);
advance();
}
return value;
}
////////////////////////////////////////////////////////////////////
// Function: DCPacker::unpack_literal_value
// Access: Published
// Description: Returns the literal string that represents the packed
// value of the current field, and advances the field
// pointer.
////////////////////////////////////////////////////////////////////
INLINE string DCPacker::
unpack_literal_value() {
size_t start = _unpack_p;
unpack_skip();
nassertr(_unpack_p >= start, string());
return string(_unpack_data + start, _unpack_p - start);
}
////////////////////////////////////////////////////////////////////
// Function: DCPacker::unpack_double
// Access: Public
// Description: Unpacks the current numeric or string value from the
// stream.
////////////////////////////////////////////////////////////////////
INLINE void DCPacker::
unpack_double(double &value) {
nassertv(_mode == M_unpack);
if (_current_field == NULL) {
_pack_error = true;
} else {
_current_field->unpack_double(_unpack_data, _unpack_length, _unpack_p,
value, _pack_error, _range_error);
advance();
}
}
////////////////////////////////////////////////////////////////////
// Function: DCPacker::unpack_int
// Access: Public
// Description: Unpacks the current numeric or string value from the
// stream.
////////////////////////////////////////////////////////////////////
INLINE void DCPacker::
unpack_int(int &value) {
nassertv(_mode == M_unpack);
if (_current_field == NULL) {
_pack_error = true;
} else {
_current_field->unpack_int(_unpack_data, _unpack_length, _unpack_p,
value, _pack_error, _range_error);
advance();
}
}
////////////////////////////////////////////////////////////////////
// Function: DCPacker::unpack_uint
// Access: Public
// Description: Unpacks the current numeric or string value from the
// stream.
////////////////////////////////////////////////////////////////////
INLINE void DCPacker::
unpack_uint(unsigned int &value) {
nassertv(_mode == M_unpack);
if (_current_field == NULL) {
_pack_error = true;
} else {
_current_field->unpack_uint(_unpack_data, _unpack_length, _unpack_p,
value, _pack_error, _range_error);
advance();
}
}
////////////////////////////////////////////////////////////////////
// Function: DCPacker::unpack_int64
// Access: Public
// Description: Unpacks the current numeric or string value from the
// stream.
////////////////////////////////////////////////////////////////////
INLINE void DCPacker::
unpack_int64(PN_int64 &value) {
nassertv(_mode == M_unpack);
if (_current_field == NULL) {
_pack_error = true;
} else {
_current_field->unpack_int64(_unpack_data, _unpack_length, _unpack_p,
value, _pack_error, _range_error);
advance();
}
}
////////////////////////////////////////////////////////////////////
// Function: DCPacker::unpack_uint64
// Access: Public
// Description: Unpacks the current numeric or string value from the
// stream.
////////////////////////////////////////////////////////////////////
INLINE void DCPacker::
unpack_uint64(PN_uint64 &value) {
nassertv(_mode == M_unpack);
if (_current_field == NULL) {
_pack_error = true;
} else {
_current_field->unpack_uint64(_unpack_data, _unpack_length, _unpack_p,
value, _pack_error, _range_error);
advance();
}
}
////////////////////////////////////////////////////////////////////
// Function: DCPacker::unpack_string
// Access: Public
// Description: Unpacks the current numeric or string value from the
// stream.
////////////////////////////////////////////////////////////////////
INLINE void DCPacker::
unpack_string(string &value) {
nassertv(_mode == M_unpack);
if (_current_field == NULL) {
_pack_error = true;
} else {
_current_field->unpack_string(_unpack_data, _unpack_length, _unpack_p,
value, _pack_error, _range_error);
advance();
}
}
////////////////////////////////////////////////////////////////////
// Function: DCPacker::unpack_literal_value
// Access: Public
// Description: Returns the literal string that represents the packed
// value of the current field, and advances the field
// pointer.
////////////////////////////////////////////////////////////////////
INLINE void DCPacker::
unpack_literal_value(string &value) {
size_t start = _unpack_p;
unpack_skip();
nassertv(_unpack_p >= start);
value.assign(_unpack_data + start, _unpack_p - start);
}
////////////////////////////////////////////////////////////////////
// Function: DCPacker::had_parse_error
// Access: Published
// Description: Returns true if there has been an parse error
// since the most recent call to begin(); this can only
// happen if you call parse_and_pack().
////////////////////////////////////////////////////////////////////
INLINE bool DCPacker::
had_parse_error() const {
return _parse_error;
}
////////////////////////////////////////////////////////////////////
// Function: DCPacker::had_pack_error
// Access: Published
// Description: Returns true if there has been an packing error
// since the most recent call to begin(); in particular,
// this may be called after end() has returned false to
// determine the nature of the failure.
//
// A return value of true indicates there was a push/pop
// mismatch, or the push/pop structure did not match the
// data structure, or there were the wrong number of
// elements in a nested push/pop structure, or on unpack
// that the data stream was truncated.
////////////////////////////////////////////////////////////////////
INLINE bool DCPacker::
had_pack_error() const {
return _pack_error;
}
////////////////////////////////////////////////////////////////////
// Function: DCPacker::had_range_error
// Access: Published
// Description: Returns true if there has been an range validation
// error since the most recent call to begin(); in
// particular, this may be called after end() has
// returned false to determine the nature of the
// failure.
//
// A return value of true indicates a value that was
// packed or unpacked did not fit within the specified
// legal range for a parameter, or within the limits of
// the field size.
////////////////////////////////////////////////////////////////////
INLINE bool DCPacker::
had_range_error() const {
return _range_error;
}
////////////////////////////////////////////////////////////////////
// Function: DCPacker::had_error
// Access: Published
// Description: Returns true if there has been any error (either a
// pack error or a range error) since the most recent
// call to begin(). If this returns true, then the
// matching call to end() will indicate an error
// (false).
////////////////////////////////////////////////////////////////////
INLINE bool DCPacker::
had_error() const {
return _range_error || _pack_error || _parse_error;
}
////////////////////////////////////////////////////////////////////
// Function: DCPacker::get_num_unpacked_bytes
// Access: Published
// Description: Returns the number of bytes that have been unpacked
// so far, or after unpack_end(), the total number of
// bytes that were unpacked at all. This can be used to
// validate that all of the bytes in the buffer were
// actually unpacked (which is not otherwise considered
// an error).
////////////////////////////////////////////////////////////////////
INLINE size_t DCPacker::
get_num_unpacked_bytes() const {
return _unpack_p;
}
////////////////////////////////////////////////////////////////////
// Function: DCPacker::get_length
// Access: Published
// Description: Returns the current length of the buffer. This is
// the number of useful bytes stored in the buffer, not
// the amount of memory it takes up.
////////////////////////////////////////////////////////////////////
INLINE size_t DCPacker::
get_length() const {
return _pack_data.get_length();
}
////////////////////////////////////////////////////////////////////
// Function: DCPacker::get_string
// Access: Published
// Description: Returns the packed data buffer as a string. Also see
// get_data().
////////////////////////////////////////////////////////////////////
INLINE string DCPacker::
get_string() const {
return _pack_data.get_string();
}
////////////////////////////////////////////////////////////////////
// Function: DCPacker::get_string
// Access: Published
// Description: Copies the packed data into the indicated string.
// Also see get_data().
////////////////////////////////////////////////////////////////////
INLINE void DCPacker::
get_string(string &data) const {
data.assign(_pack_data.get_data(), _pack_data.get_length());
}
////////////////////////////////////////////////////////////////////
// Function: DCPacker::get_data
// Access: Public
// Description: Returns the beginning of the data buffer. The buffer
// is not null-terminated, but see also get_string().
//
// This may be used in conjunction with get_length() to
// copy all of the bytes out of the buffer. Also see
// take_data() to get the packed data without a copy
// operation.
////////////////////////////////////////////////////////////////////
INLINE const char *DCPacker::
get_data() const {
return _pack_data.get_data();
}
////////////////////////////////////////////////////////////////////
// Function: DCPacker::take_data
// Access: Public
// Description: Returns the pointer to the beginning of the data
// buffer, and transfers ownership of the buffer to the
// caller. The caller is now responsible for ultimately
// freeing the returned pointer with delete[], if it is
// non-NULL. This may (or may not) return NULL if the
// buffer is empty.
//
// This also empties the DCPackData structure, and sets
// its length to zero (so you should call get_length()
// before calling this method).
////////////////////////////////////////////////////////////////////
INLINE char *DCPacker::
take_data() {
return _pack_data.take_data();
}
////////////////////////////////////////////////////////////////////
// Function: DCPacker::append_data
// Access: Public
// Description: Adds the indicated bytes to the end of the data.
// This may only be called between packing sessions.
////////////////////////////////////////////////////////////////////
INLINE void DCPacker::
append_data(const char *buffer, size_t size) {
nassertv(_mode == M_idle);
_pack_data.append_data(buffer, size);
}
////////////////////////////////////////////////////////////////////
// Function: DCPacker::get_write_pointer
// Access: Public
// Description: Adds the indicated number of bytes to the end of the
// data without initializing them, and returns a pointer
// to the beginning of the new data. This may only be
// called between packing sessions.
////////////////////////////////////////////////////////////////////
INLINE char *DCPacker::
get_write_pointer(size_t size) {
nassertr(_mode == M_idle, NULL);
return _pack_data.get_write_pointer(size);
}
////////////////////////////////////////////////////////////////////
// Function: DCPacker::StackElement::get_num_stack_elements_ever_allocated
// Access: Published, Static
// Description: Returns the number of DCPacker::StackElement pointers
// ever simultaneously allocated; these are now either
// in active use or have been recycled into the deleted
// DCPacker::StackElement pool to be used again.
////////////////////////////////////////////////////////////////////
INLINE int DCPacker::
get_num_stack_elements_ever_allocated() {
return StackElement::_num_ever_allocated;
}
////////////////////////////////////////////////////////////////////
// Function: DCPacker::raw_pack_int8
// Access: Published
// Description: Packs the data into the buffer between packing
// sessions.
////////////////////////////////////////////////////////////////////
INLINE void DCPacker::
raw_pack_int8(int value) {
nassertv(_mode == M_idle);
DCPackerInterface::do_pack_int8(_pack_data.get_write_pointer(1), value);
}
////////////////////////////////////////////////////////////////////
// Function: DCPacker::raw_pack_int16
// Access: Published
// Description: Packs the data into the buffer between packing
// sessions.
////////////////////////////////////////////////////////////////////
INLINE void DCPacker::
raw_pack_int16(int value) {
nassertv(_mode == M_idle);
DCPackerInterface::do_pack_int16(_pack_data.get_write_pointer(2), value);
}
////////////////////////////////////////////////////////////////////
// Function: DCPacker::raw_pack_int32
// Access: Published
// Description: Packs the data into the buffer between packing
// sessions.
////////////////////////////////////////////////////////////////////
INLINE void DCPacker::
raw_pack_int32(int value) {
nassertv(_mode == M_idle);
DCPackerInterface::do_pack_int32(_pack_data.get_write_pointer(4), value);
}
////////////////////////////////////////////////////////////////////
// Function: DCPacker::raw_pack_int64
// Access: Published
// Description: Packs the data into the buffer between packing
// sessions.
////////////////////////////////////////////////////////////////////
INLINE void DCPacker::
raw_pack_int64(PN_int64 value) {
nassertv(_mode == M_idle);
DCPackerInterface::do_pack_int64(_pack_data.get_write_pointer(8), value);
}
////////////////////////////////////////////////////////////////////
// Function: DCPacker::raw_pack_uint8
// Access: Published
// Description: Packs the data into the buffer between packing
// sessions.
////////////////////////////////////////////////////////////////////
INLINE void DCPacker::
raw_pack_uint8(unsigned int value) {
nassertv(_mode == M_idle);
DCPackerInterface::do_pack_uint8(_pack_data.get_write_pointer(1), value);
}
////////////////////////////////////////////////////////////////////
// Function: DCPacker::raw_pack_uint16
// Access: Published
// Description: Packs the data into the buffer between packing
// sessions.
////////////////////////////////////////////////////////////////////
INLINE void DCPacker::
raw_pack_uint16(unsigned int value) {
nassertv(_mode == M_idle);
DCPackerInterface::do_pack_uint16(_pack_data.get_write_pointer(2), value);
}
////////////////////////////////////////////////////////////////////
// Function: DCPacker::raw_pack_uint32
// Access: Published
// Description: Packs the data into the buffer between packing
// sessions.
////////////////////////////////////////////////////////////////////
INLINE void DCPacker::
raw_pack_uint32(unsigned int value) {
nassertv(_mode == M_idle);
DCPackerInterface::do_pack_uint32(_pack_data.get_write_pointer(4), value);
}
////////////////////////////////////////////////////////////////////
// Function: DCPacker::raw_pack_uint64
// Access: Published
// Description: Packs the data into the buffer between packing
// sessions.
////////////////////////////////////////////////////////////////////
INLINE void DCPacker::
raw_pack_uint64(PN_uint64 value) {
nassertv(_mode == M_idle);
DCPackerInterface::do_pack_uint64(_pack_data.get_write_pointer(8), value);
}
////////////////////////////////////////////////////////////////////
// Function: DCPacker::raw_pack_float64
// Access: Published
// Description: Packs the data into the buffer between packing
// sessions.
////////////////////////////////////////////////////////////////////
INLINE void DCPacker::
raw_pack_float64(double value) {
nassertv(_mode == M_idle);
DCPackerInterface::do_pack_float64(_pack_data.get_write_pointer(8), value);
}
////////////////////////////////////////////////////////////////////
// Function: DCPacker::raw_pack_string
// Access: Published
// Description: Packs the data into the buffer between packing
// sessions.
////////////////////////////////////////////////////////////////////
INLINE void DCPacker::
raw_pack_string(const string &value) {
nassertv(_mode == M_idle);
DCPackerInterface::do_pack_uint16(_pack_data.get_write_pointer(2), value.length());
_pack_data.append_data(value.data(), value.length());
}
////////////////////////////////////////////////////////////////////
// Function: DCPacker::raw_unpack_int8
// Access: Published
// Description: Unpacks the data from the buffer between unpacking
// sessions.
////////////////////////////////////////////////////////////////////
INLINE int DCPacker::
raw_unpack_int8() {
int value = 0;
raw_unpack_int8(value);
return value;
}
////////////////////////////////////////////////////////////////////
// Function: DCPacker::raw_unpack_int16
// Access: Published
// Description: Unpacks the data from the buffer between unpacking
// sessions.
////////////////////////////////////////////////////////////////////
INLINE int DCPacker::
raw_unpack_int16() {
int value = 0;
raw_unpack_int16(value);
return value;
}
////////////////////////////////////////////////////////////////////
// Function: DCPacker::raw_unpack_int32
// Access: Published
// Description: Unpacks the data from the buffer between unpacking
// sessions.
////////////////////////////////////////////////////////////////////
INLINE int DCPacker::
raw_unpack_int32() {
int value = 0;
raw_unpack_int32(value);
return value;
}
////////////////////////////////////////////////////////////////////
// Function: DCPacker::raw_unpack_int64
// Access: Published
// Description: Unpacks the data from the buffer between unpacking
// sessions.
////////////////////////////////////////////////////////////////////
INLINE PN_int64 DCPacker::
raw_unpack_int64() {
PN_int64 value = 0;
raw_unpack_int64(value);
return value;
}
////////////////////////////////////////////////////////////////////
// Function: DCPacker::raw_unpack_int8
// Access: Public
// Description: Unpacks the data from the buffer between unpacking
// sessions.
////////////////////////////////////////////////////////////////////
INLINE void DCPacker::
raw_unpack_int8(int &value) {
nassertv(_mode == M_idle && _unpack_data != NULL);
if (_unpack_p + 1 > _unpack_length) {
_pack_error = true;
return;
}
value = DCPackerInterface::do_unpack_int8(_unpack_data + _unpack_p);
_unpack_p++;
}
////////////////////////////////////////////////////////////////////
// Function: DCPacker::raw_unpack_int16
// Access: Public
// Description: Unpacks the data from the buffer between unpacking
// sessions.
////////////////////////////////////////////////////////////////////
INLINE void DCPacker::
raw_unpack_int16(int &value) {
nassertv(_mode == M_idle && _unpack_data != NULL);
if (_unpack_p + 2 > _unpack_length) {
_pack_error = true;
return;
}
value = DCPackerInterface::do_unpack_int16(_unpack_data + _unpack_p);
_unpack_p += 2;
}
////////////////////////////////////////////////////////////////////
// Function: DCPacker::raw_unpack_int32
// Access: Public
// Description: Unpacks the data from the buffer between unpacking
// sessions.
////////////////////////////////////////////////////////////////////
INLINE void DCPacker::
raw_unpack_int32(int &value) {
nassertv(_mode == M_idle && _unpack_data != NULL);
if (_unpack_p + 4 > _unpack_length) {
_pack_error = true;
return;
}
value = DCPackerInterface::do_unpack_int32(_unpack_data + _unpack_p);
_unpack_p += 4;
}
////////////////////////////////////////////////////////////////////
// Function: DCPacker::raw_unpack_uint8
// Access: Published
// Description: Unpacks the data from the buffer between unpacking
// sessions.
////////////////////////////////////////////////////////////////////
INLINE unsigned int DCPacker::
raw_unpack_uint8() {
unsigned int value = 0;
raw_unpack_uint8(value);
return value;
}
////////////////////////////////////////////////////////////////////
// Function: DCPacker::raw_unpack_uint16
// Access: Published
// Description: Unpacks the data from the buffer between unpacking
// sessions.
////////////////////////////////////////////////////////////////////
INLINE unsigned int DCPacker::
raw_unpack_uint16() {
unsigned int value = 0;
raw_unpack_uint16(value);
return value;
}
////////////////////////////////////////////////////////////////////
// Function: DCPacker::raw_unpack_uint32
// Access: Published
// Description: Unpacks the data from the buffer between unpacking
// sessions.
////////////////////////////////////////////////////////////////////
INLINE unsigned int DCPacker::
raw_unpack_uint32() {
unsigned int value = 0;
raw_unpack_uint32(value);
return value;
}
////////////////////////////////////////////////////////////////////
// Function: DCPacker::raw_unpack_uint64
// Access: Published
// Description: Unpacks the data from the buffer between unpacking
// sessions.
////////////////////////////////////////////////////////////////////
INLINE PN_uint64 DCPacker::
raw_unpack_uint64() {
PN_uint64 value = 0;
raw_unpack_uint64(value);
return value;
}
////////////////////////////////////////////////////////////////////
// Function: DCPacker::raw_unpack_float64
// Access: Published
// Description: Unpacks the data from the buffer between unpacking
// sessions.
////////////////////////////////////////////////////////////////////
INLINE double DCPacker::
raw_unpack_float64() {
double value = 0;
raw_unpack_float64(value);
return value;
}
////////////////////////////////////////////////////////////////////
// Function: DCPacker::raw_unpack_string
// Access: Published
// Description: Unpacks the data from the buffer between unpacking
// sessions.
////////////////////////////////////////////////////////////////////
INLINE string DCPacker::
raw_unpack_string() {
string value;
raw_unpack_string(value);
return value;
}
////////////////////////////////////////////////////////////////////
// Function: DCPacker::raw_unpack_int64
// Access: Public
// Description: Unpacks the data from the buffer between unpacking
// sessions.
////////////////////////////////////////////////////////////////////
INLINE void DCPacker::
raw_unpack_int64(PN_int64 &value) {
nassertv(_mode == M_idle && _unpack_data != NULL);
if (_unpack_p + 8 > _unpack_length) {
_pack_error = true;
return;
}
value = DCPackerInterface::do_unpack_int64(_unpack_data + _unpack_p);
_unpack_p += 8;
}
////////////////////////////////////////////////////////////////////
// Function: DCPacker::raw_unpack_uint8
// Access: Public
// Description: Unpacks the data from the buffer between unpacking
// sessions.
////////////////////////////////////////////////////////////////////
INLINE void DCPacker::
raw_unpack_uint8(unsigned int &value) {
nassertv(_mode == M_idle && _unpack_data != NULL);
if (_unpack_p + 1 > _unpack_length) {
_pack_error = true;
return;
}
value = DCPackerInterface::do_unpack_uint8(_unpack_data + _unpack_p);
_unpack_p++;
}
////////////////////////////////////////////////////////////////////
// Function: DCPacker::raw_unpack_uint16
// Access: Public
// Description: Unpacks the data from the buffer between unpacking
// sessions.
////////////////////////////////////////////////////////////////////
INLINE void DCPacker::
raw_unpack_uint16(unsigned int &value) {
nassertv(_mode == M_idle && _unpack_data != NULL);
if (_unpack_p + 2 > _unpack_length) {
_pack_error = true;
return;
}
value = DCPackerInterface::do_unpack_uint16(_unpack_data + _unpack_p);
_unpack_p += 2;
}
////////////////////////////////////////////////////////////////////
// Function: DCPacker::raw_unpack_uint32
// Access: Public
// Description: Unpacks the data from the buffer between unpacking
// sessions.
////////////////////////////////////////////////////////////////////
INLINE void DCPacker::
raw_unpack_uint32(unsigned int &value) {
nassertv(_mode == M_idle && _unpack_data != NULL);
if (_unpack_p + 4 > _unpack_length) {
_pack_error = true;
return;
}
value = DCPackerInterface::do_unpack_uint32(_unpack_data + _unpack_p);
_unpack_p += 4;
}
////////////////////////////////////////////////////////////////////
// Function: DCPacker::raw_unpack_uint64
// Access: Public
// Description: Unpacks the data from the buffer between unpacking
// sessions.
////////////////////////////////////////////////////////////////////
INLINE void DCPacker::
raw_unpack_uint64(PN_uint64 &value) {
nassertv(_mode == M_idle && _unpack_data != NULL);
if (_unpack_p + 8 > _unpack_length) {
_pack_error = true;
return;
}
value = DCPackerInterface::do_unpack_uint64(_unpack_data + _unpack_p);
_unpack_p += 8;
}
////////////////////////////////////////////////////////////////////
// Function: DCPacker::raw_unpack_float64
// Access: Public
// Description: Unpacks the data from the buffer between unpacking
// sessions.
////////////////////////////////////////////////////////////////////
INLINE void DCPacker::
raw_unpack_float64(double &value) {
nassertv(_mode == M_idle && _unpack_data != NULL);
if (_unpack_p + 8 > _unpack_length) {
_pack_error = true;
return;
}
value = DCPackerInterface::do_unpack_float64(_unpack_data + _unpack_p);
_unpack_p += 8;
}
////////////////////////////////////////////////////////////////////
// Function: DCPacker::raw_unpack_string
// Access: Public
// Description: Unpacks the data from the buffer between unpacking
// sessions.
////////////////////////////////////////////////////////////////////
INLINE void DCPacker::
raw_unpack_string(string &value) {
nassertv(_mode == M_idle && _unpack_data != NULL);
unsigned int string_length = raw_unpack_uint16();
if (_unpack_p + string_length > _unpack_length) {
_pack_error = true;
return;
}
value.assign(_unpack_data + _unpack_p, string_length);
_unpack_p += string_length;
}
////////////////////////////////////////////////////////////////////
// Function: DCPacker::advance
// Access: Private
// Description: Advances to the next field after a call to
// pack_value() or pop().
////////////////////////////////////////////////////////////////////
INLINE void DCPacker::
advance() {
_current_field_index++;
if (_num_nested_fields >= 0 &&
_current_field_index >= _num_nested_fields) {
// Done with all the fields on this parent. The caller must now
// call pop().
_current_field = NULL;
// But if the parent is a switch record, we make a special case so
// we can get the alternate fields.
if (_current_parent != (DCPackerInterface *)NULL) {
const DCSwitchParameter *switch_parameter = ((DCPackerInterface *)_current_parent)->as_switch_parameter();
if (switch_parameter != (DCSwitchParameter *)NULL) {
handle_switch(switch_parameter);
}
}
} else if (_pop_marker != 0 && _unpack_p >= _pop_marker) {
// Done with all the fields on this parent. The caller must now
// call pop().
_current_field = NULL;
} else {
// We have another field to advance to.
_current_field = _current_parent->get_nested_field(_current_field_index);
}
}
////////////////////////////////////////////////////////////////////
// Function: DCPacker::StackElement::operator new
// Access: Public
// Description: Allocates the memory for a new DCPacker::StackElement.
// This is specialized here to provide for fast
// allocation of these things.
////////////////////////////////////////////////////////////////////
INLINE void *DCPacker::StackElement::
operator new(size_t size) {
if (_deleted_chain != (DCPacker::StackElement *)NULL) {
StackElement *obj = _deleted_chain;
_deleted_chain = _deleted_chain->_next;
return obj;
}
#ifndef NDEBUG
_num_ever_allocated++;
#endif // NDEBUG
return ::operator new(size);
}
////////////////////////////////////////////////////////////////////
// Function: DCPacker::StackElement::operator delete
// Access: Public
// Description: Frees the memory for a deleted DCPacker::StackElement.
// This is specialized here to provide for fast
// allocation of these things.
////////////////////////////////////////////////////////////////////
INLINE void DCPacker::StackElement::
operator delete(void *ptr) {
StackElement *obj = (StackElement *)ptr;
obj->_next = _deleted_chain;
_deleted_chain = obj;
}