Squashed 'third_party/boostorg/serialization/' content from commit 738695b
Change-Id: I48528198ad1f62b90288d249eb2243d4db02fd5d
git-subtree-dir: third_party/boostorg/serialization
git-subtree-split: 738695b70733f9d592a570fb17a505d6a029b48a
diff --git a/src/basic_oarchive.cpp b/src/basic_oarchive.cpp
new file mode 100644
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--- /dev/null
+++ b/src/basic_oarchive.cpp
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+/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
+// basic_oarchive.cpp:
+
+// (C) Copyright 2002 Robert Ramey - http://www.rrsd.com .
+// Use, modification and distribution is subject to the Boost Software
+// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+// See http://www.boost.org for updates, documentation, and revision history.
+
+#include <boost/config.hpp> // msvc 6.0 needs this for warning suppression
+
+#include <boost/assert.hpp>
+#include <set>
+#include <cstddef> // NULL
+
+#include <boost/limits.hpp>
+
+// including this here to work around an ICC in intel 7.0
+// normally this would be part of basic_oarchive.hpp below.
+#define BOOST_ARCHIVE_SOURCE
+// include this to prevent linker errors when the
+// same modules are marked export and import.
+#define BOOST_SERIALIZATION_SOURCE
+#include <boost/serialization/config.hpp>
+#include <boost/serialization/state_saver.hpp>
+#include <boost/serialization/throw_exception.hpp>
+#include <boost/serialization/extended_type_info.hpp>
+
+#include <boost/archive/detail/decl.hpp>
+#include <boost/archive/basic_archive.hpp>
+#include <boost/archive/detail/basic_oserializer.hpp>
+#include <boost/archive/detail/basic_pointer_oserializer.hpp>
+#include <boost/archive/detail/basic_oarchive.hpp>
+#include <boost/archive/archive_exception.hpp>
+
+#ifdef BOOST_MSVC
+# pragma warning(push)
+# pragma warning(disable : 4251 4231 4660 4275)
+#endif
+
+using namespace boost::serialization;
+
+namespace boost {
+namespace archive {
+namespace detail {
+
+class basic_oarchive_impl {
+ friend class basic_oarchive;
+ unsigned int m_flags;
+
+ //////////////////////////////////////////////////////////////////////
+ // information about each serialized object saved
+ // keyed on address, class_id
+ struct aobject
+ {
+ const void * address;
+ class_id_type class_id;
+ object_id_type object_id;
+
+ bool operator<(const aobject &rhs) const
+ {
+ BOOST_ASSERT(NULL != address);
+ BOOST_ASSERT(NULL != rhs.address);
+ if( address < rhs.address )
+ return true;
+ if( address > rhs.address )
+ return false;
+ return class_id < rhs.class_id;
+ }
+ aobject & operator=(const aobject & rhs)
+ {
+ address = rhs.address;
+ class_id = rhs.class_id;
+ object_id = rhs.object_id;
+ return *this;
+ }
+ aobject(
+ const void *a,
+ class_id_type class_id_,
+ object_id_type object_id_
+ ) :
+ address(a),
+ class_id(class_id_),
+ object_id(object_id_)
+ {}
+ aobject() : address(NULL){}
+ };
+ // keyed on class_id, address
+ typedef std::set<aobject> object_set_type;
+ object_set_type object_set;
+
+ //////////////////////////////////////////////////////////////////////
+ // information about each serialized class saved
+ // keyed on type_info
+ struct cobject_type
+ {
+ const basic_oserializer * m_bos_ptr;
+ const class_id_type m_class_id;
+ bool m_initialized;
+ cobject_type(
+ std::size_t class_id,
+ const basic_oserializer & bos
+ ) :
+ m_bos_ptr(& bos),
+ m_class_id(class_id),
+ m_initialized(false)
+ {}
+ cobject_type(const basic_oserializer & bos) :
+ m_bos_ptr(& bos),
+ m_initialized(false)
+ {}
+ cobject_type(
+ const cobject_type & rhs
+ ) :
+ m_bos_ptr(rhs.m_bos_ptr),
+ m_class_id(rhs.m_class_id),
+ m_initialized(rhs.m_initialized)
+ {}
+ // the following cannot be defined because of the const
+ // member. This will generate a link error if an attempt
+ // is made to assign. This should never be necessary
+ // use this only for lookup argument
+ cobject_type & operator=(const cobject_type &rhs);
+ bool operator<(const cobject_type &rhs) const {
+ return *m_bos_ptr < *(rhs.m_bos_ptr);
+ }
+ };
+ // keyed on type_info
+ typedef std::set<cobject_type> cobject_info_set_type;
+ cobject_info_set_type cobject_info_set;
+
+ // list of objects initially stored as pointers - used to detect errors
+ // keyed on object id
+ std::set<object_id_type> stored_pointers;
+
+ // address of the most recent object serialized as a poiner
+ // whose data itself is now pending serialization
+ const void * pending_object;
+ const basic_oserializer * pending_bos;
+
+ basic_oarchive_impl(unsigned int flags) :
+ m_flags(flags),
+ pending_object(NULL),
+ pending_bos(NULL)
+ {}
+
+ const cobject_type &
+ find(const basic_oserializer & bos);
+ const basic_oserializer *
+ find(const serialization::extended_type_info &ti) const;
+
+//public:
+ const cobject_type &
+ register_type(const basic_oserializer & bos);
+ void save_object(
+ basic_oarchive & ar,
+ const void *t,
+ const basic_oserializer & bos
+ );
+ void save_pointer(
+ basic_oarchive & ar,
+ const void * t,
+ const basic_pointer_oserializer * bpos
+ );
+};
+
+//////////////////////////////////////////////////////////////////////
+// basic_oarchive implementation functions
+
+// given a type_info - find its bos
+// return NULL if not found
+inline const basic_oserializer *
+basic_oarchive_impl::find(const serialization::extended_type_info & ti) const {
+ #ifdef BOOST_MSVC
+ # pragma warning(push)
+ # pragma warning(disable : 4511 4512)
+ #endif
+ class bosarg :
+ public basic_oserializer
+ {
+ bool class_info() const {
+ BOOST_ASSERT(false);
+ return false;
+ }
+ // returns true if objects should be tracked
+ bool tracking(const unsigned int) const {
+ BOOST_ASSERT(false);
+ return false;
+ }
+ // returns class version
+ version_type version() const {
+ BOOST_ASSERT(false);
+ return version_type(0);
+ }
+ // returns true if this class is polymorphic
+ bool is_polymorphic() const{
+ BOOST_ASSERT(false);
+ return false;
+ }
+ void save_object_data(
+ basic_oarchive & /*ar*/, const void * /*x*/
+ ) const {
+ BOOST_ASSERT(false);
+ }
+ public:
+ bosarg(const serialization::extended_type_info & eti) :
+ boost::archive::detail::basic_oserializer(eti)
+ {}
+ };
+ #ifdef BOOST_MSVC
+ #pragma warning(pop)
+ #endif
+ bosarg bos(ti);
+ cobject_info_set_type::const_iterator cit
+ = cobject_info_set.find(cobject_type(bos));
+ // it should already have been "registered" - see below
+ if(cit == cobject_info_set.end()){
+ // if an entry is not found in the table it is because a pointer
+ // of a derived class has been serialized through its base class
+ // but the derived class hasn't been "registered"
+ return NULL;
+ }
+ // return pointer to the real class
+ return cit->m_bos_ptr;
+}
+
+inline const basic_oarchive_impl::cobject_type &
+basic_oarchive_impl::find(const basic_oserializer & bos)
+{
+ std::pair<cobject_info_set_type::iterator, bool> cresult =
+ cobject_info_set.insert(cobject_type(cobject_info_set.size(), bos));
+ return *(cresult.first);
+}
+
+inline const basic_oarchive_impl::cobject_type &
+basic_oarchive_impl::register_type(
+ const basic_oserializer & bos
+){
+ cobject_type co(cobject_info_set.size(), bos);
+ std::pair<cobject_info_set_type::const_iterator, bool>
+ result = cobject_info_set.insert(co);
+ return *(result.first);
+}
+
+inline void
+basic_oarchive_impl::save_object(
+ basic_oarchive & ar,
+ const void *t,
+ const basic_oserializer & bos
+){
+ // if its been serialized through a pointer and the preamble's been done
+ if(t == pending_object && pending_bos == & bos){
+ // just save the object data
+ ar.end_preamble();
+ (bos.save_object_data)(ar, t);
+ return;
+ }
+
+ // get class information for this object
+ const cobject_type & co = register_type(bos);
+ if(bos.class_info()){
+ if( ! co.m_initialized){
+ ar.vsave(class_id_optional_type(co.m_class_id));
+ ar.vsave(tracking_type(bos.tracking(m_flags)));
+ ar.vsave(version_type(bos.version()));
+ (const_cast<cobject_type &>(co)).m_initialized = true;
+ }
+ }
+
+ // we're not tracking this type of object
+ if(! bos.tracking(m_flags)){
+ // just windup the preamble - no object id to write
+ ar.end_preamble();
+ // and save the data
+ (bos.save_object_data)(ar, t);
+ return;
+ }
+
+ // look for an existing object id
+ object_id_type oid(object_set.size());
+ // lookup to see if this object has already been written to the archive
+ basic_oarchive_impl::aobject ao(t, co.m_class_id, oid);
+ std::pair<basic_oarchive_impl::object_set_type::const_iterator, bool>
+ aresult = object_set.insert(ao);
+ oid = aresult.first->object_id;
+
+ // if its a new object
+ if(aresult.second){
+ // write out the object id
+ ar.vsave(oid);
+ ar.end_preamble();
+ // and data
+ (bos.save_object_data)(ar, t);
+ return;
+ }
+
+ // check that it wasn't originally stored through a pointer
+ if(stored_pointers.end() != stored_pointers.find(oid)){
+ // this has to be a user error. loading such an archive
+ // would create duplicate objects
+ boost::serialization::throw_exception(
+ archive_exception(archive_exception::pointer_conflict)
+ );
+ }
+ // just save the object id
+ ar.vsave(object_reference_type(oid));
+ ar.end_preamble();
+ return;
+}
+
+// save a pointer to an object instance
+inline void
+basic_oarchive_impl::save_pointer(
+ basic_oarchive & ar,
+ const void * t,
+ const basic_pointer_oserializer * bpos_ptr
+){
+ const basic_oserializer & bos = bpos_ptr->get_basic_serializer();
+ std::size_t original_count = cobject_info_set.size();
+ const cobject_type & co = register_type(bos);
+ if(! co.m_initialized){
+ ar.vsave(co.m_class_id);
+ // if its a previously unregistered class
+ if((cobject_info_set.size() > original_count)){
+ if(bos.is_polymorphic()){
+ const serialization::extended_type_info *eti = & bos.get_eti();
+ const char * key = NULL;
+ if(NULL != eti)
+ key = eti->get_key();
+ if(NULL != key){
+ // the following is required by IBM C++ compiler which
+ // makes a copy when passing a non-const to a const. This
+ // is permitted by the standard but rarely seen in practice
+ const class_name_type cn(key);
+ if(cn.size() > (BOOST_SERIALIZATION_MAX_KEY_SIZE - 1))
+ boost::serialization::throw_exception(
+ boost::archive::archive_exception(
+ boost::archive::archive_exception::
+ invalid_class_name)
+ );
+ // write out the external class identifier
+ ar.vsave(cn);
+ }
+ else
+ // without an external class name
+ // we won't be able to de-serialize it so bail now
+ boost::serialization::throw_exception(
+ archive_exception(archive_exception::unregistered_class)
+ );
+ }
+ }
+ if(bos.class_info()){
+ ar.vsave(tracking_type(bos.tracking(m_flags)));
+ ar.vsave(version_type(bos.version()));
+ }
+ (const_cast<cobject_type &>(co)).m_initialized = true;
+ }
+ else{
+ ar.vsave(class_id_reference_type(co.m_class_id));
+ }
+
+ // if we're not tracking
+ if(! bos.tracking(m_flags)){
+ // just save the data itself
+ ar.end_preamble();
+ serialization::state_saver<const void *> x(pending_object);
+ serialization::state_saver<const basic_oserializer *> y(pending_bos);
+ pending_object = t;
+ pending_bos = & bpos_ptr->get_basic_serializer();
+ bpos_ptr->save_object_ptr(ar, t);
+ return;
+ }
+
+ object_id_type oid(object_set.size());
+ // lookup to see if this object has already been written to the archive
+ basic_oarchive_impl::aobject ao(t, co.m_class_id, oid);
+ std::pair<basic_oarchive_impl::object_set_type::const_iterator, bool>
+ aresult = object_set.insert(ao);
+ oid = aresult.first->object_id;
+ // if the saved object already exists
+ if(! aresult.second){
+ // append the object id to he preamble
+ ar.vsave(object_reference_type(oid));
+ // and windup.
+ ar.end_preamble();
+ return;
+ }
+
+ // append id of this object to preamble
+ ar.vsave(oid);
+ ar.end_preamble();
+
+ // and save the object itself
+ serialization::state_saver<const void *> x(pending_object);
+ serialization::state_saver<const basic_oserializer *> y(pending_bos);
+ pending_object = t;
+ pending_bos = & bpos_ptr->get_basic_serializer();
+ bpos_ptr->save_object_ptr(ar, t);
+ // add to the set of object initially stored through pointers
+ stored_pointers.insert(oid);
+}
+
+} // namespace detail
+} // namespace archive
+} // namespace boost
+
+//////////////////////////////////////////////////////////////////////
+// implementation of basic_oarchive functions
+
+namespace boost {
+namespace archive {
+namespace detail {
+
+BOOST_ARCHIVE_DECL
+basic_oarchive::basic_oarchive(unsigned int flags)
+ : pimpl(new basic_oarchive_impl(flags))
+{}
+
+BOOST_ARCHIVE_DECL
+basic_oarchive::~basic_oarchive()
+{}
+
+BOOST_ARCHIVE_DECL void
+basic_oarchive::save_object(
+ const void *x,
+ const basic_oserializer & bos
+){
+ pimpl->save_object(*this, x, bos);
+}
+
+BOOST_ARCHIVE_DECL void
+basic_oarchive::save_pointer(
+ const void * t,
+ const basic_pointer_oserializer * bpos_ptr
+){
+ pimpl->save_pointer(*this, t, bpos_ptr);
+}
+
+BOOST_ARCHIVE_DECL void
+basic_oarchive::register_basic_serializer(const basic_oserializer & bos){
+ pimpl->register_type(bos);
+}
+
+BOOST_ARCHIVE_DECL library_version_type
+basic_oarchive::get_library_version() const{
+ return BOOST_ARCHIVE_VERSION();
+}
+
+BOOST_ARCHIVE_DECL unsigned int
+basic_oarchive::get_flags() const{
+ return pimpl->m_flags;
+}
+
+BOOST_ARCHIVE_DECL void
+basic_oarchive::end_preamble(){
+}
+
+BOOST_ARCHIVE_DECL helper_collection &
+basic_oarchive::get_helper_collection(){
+ return *this;
+}
+
+} // namespace detail
+} // namespace archive
+} // namespace boost
+
+#ifdef BOOST_MSVC
+#pragma warning(pop)
+#endif