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-rw-r--r--odb/relational/sqlite/source.cxx340
1 files changed, 24 insertions, 316 deletions
diff --git a/odb/relational/sqlite/source.cxx b/odb/relational/sqlite/source.cxx
index 024694f..c170904 100644
--- a/odb/relational/sqlite/source.cxx
+++ b/odb/relational/sqlite/source.cxx
@@ -269,173 +269,21 @@ namespace relational
// init image
//
- struct init_image_member: relational::init_image_member, member_base
+ struct init_image_member: relational::init_image_member_impl<sql_type>,
+ member_base
{
init_image_member (base const& x)
- : member_base::base (x), // virtual base
- base (x),
- member_base (x),
- member_database_type_id_ (base::type_override_,
- base::fq_type_override_,
- base::key_prefix_)
- {
- }
-
- virtual bool
- pre (member_info& mi)
- {
- // Ignore containers (they get their own table) and inverse
- // object pointers (they are not present in this binding).
- //
- if (container (mi) || inverse (mi.m, key_prefix_))
- return false;
-
- if (!member_override_.empty ())
- member = member_override_;
- else
- {
- // If we are generating standard init() and this member
- // contains version, ignore it.
- //
- if (version (mi.m))
- return false;
-
- string const& name (mi.m.name ());
- member = "o." + name;
-
- os << "// " << name << endl
- << "//" << endl;
-
- // If the whole class is readonly, then we will never be
- // called with sk == statement_update.
- //
- if (!readonly (*context::top_object))
- {
- semantics::class_* c;
-
- if (id (mi.m) ||
- readonly (mi.m) ||
- ((c = composite (mi.t)) && readonly (*c)))
- os << "if (sk == statement_insert)";
- }
- }
-
- // If this is a wrapped composite value, then we need to
- // "unwrap" it. For simple values this is taken care of
- // by the value_traits specializations.
- //
- if (mi.wrapper != 0 && composite (mi.t))
- {
- // Here we need the wrapper type, not the wrapped type.
- //
- member = "wrapper_traits< " + mi.fq_type (false) + " >::" +
- "get_ref (" + member + ")";
- }
-
- if (composite (mi.t))
- {
- os << "{";
- traits = "composite_value_traits< " + mi.fq_type () + " >";
- }
- else
- {
- // When handling a pointer, mi.t is the id type of the referenced
- // object.
- //
- semantics::type& mt (member_utype (mi.m, key_prefix_));
-
- if (semantics::class_* c = object_pointer (mt))
- {
- type = "obj_traits::id_type";
- db_type_id = member_database_type_id_.database_type_id (mi.m);
-
- // Handle NULL pointers and extract the id.
- //
- os << "{"
- << "typedef object_traits< " << class_fq_name (*c) <<
- " > obj_traits;";
-
- if (weak_pointer (mt))
- {
- os << "typedef pointer_traits< " << mi.fq_type () <<
- " > wptr_traits;"
- << "typedef pointer_traits< wptr_traits::" <<
- "strong_pointer_type > ptr_traits;"
- << endl
- << "wptr_traits::strong_pointer_type sp (" <<
- "wptr_traits::lock (" << member << "));";
-
- member = "sp";
- }
- else
- os << "typedef pointer_traits< " << mi.fq_type () <<
- " > ptr_traits;"
- << endl;
-
- os << "i." << mi.var << "null = ptr_traits::null_ptr (" <<
- member << ");"
- << "if (!i." << mi.var << "null)"
- << "{"
- << "const " << type << "& id (" << endl;
-
- if (lazy_pointer (mt))
- os << "ptr_traits::object_id< ptr_traits::element_type > (" <<
- member << ")";
- else
- os << "obj_traits::id (ptr_traits::get_ref (" << member << "))";
-
- os << ");"
- << endl;
-
- member = "id";
- }
- else
- {
- type = mi.fq_type ();
- db_type_id = member_database_type_id_.database_type_id (mi.m);
-
- os << "{";
- }
-
- traits = "sqlite::value_traits<\n "
- + type + ",\n "
- + db_type_id + " >";
- }
-
- return true;
- }
-
- virtual void
- post (member_info& mi)
+ : member_base::base (x), // virtual base
+ member_base::base_impl (x), // virtual base
+ base_impl (x),
+ member_base (x)
{
- if (composite (mi.t))
- os << "}";
- else
- {
- // When handling a pointer, mi.t is the id type of the referenced
- // object.
- //
- if (object_pointer (member_utype (mi.m, key_prefix_)))
- {
- os << "}";
-
- if (!null (mi.m, key_prefix_))
- os << "else" << endl
- << "throw null_pointer ();";
- }
-
- os << "}";
- }
}
virtual void
- traverse_composite (member_info& mi)
+ set_null (member_info& mi)
{
- os << "if (" << traits << "::init (" << endl
- << "i." << mi.var << "value," << endl
- << member << "," << endl
- << "sk))" << endl
- << "grew = true;";
+ os << "i." << mi.var << "null = true;";
}
virtual void
@@ -443,8 +291,9 @@ namespace relational
{
os << traits << "::set_image (" << endl
<< "i." << mi.var << "value," << endl
- << "i." << mi.var << "null," << endl
- << member << ");";
+ << "is_null," << endl
+ << member << ");"
+ << "i." << mi.var << "null = is_null;";
}
virtual void
@@ -452,8 +301,9 @@ namespace relational
{
os << traits << "::set_image (" << endl
<< "i." << mi.var << "value," << endl
- << "i." << mi.var << "null," << endl
- << member << ");";
+ << "is_null," << endl
+ << member << ");"
+ << "i." << mi.var << "null = is_null;";
}
virtual void
@@ -463,18 +313,11 @@ namespace relational
<< traits << "::set_image (" << endl
<< "i." << mi.var << "value," << endl
<< "i." << mi.var << "size," << endl
- << "i." << mi.var << "null," << endl
+ << "is_null," << endl
<< member << ");"
+ << "i." << mi.var << "null = is_null;"
<< "grew = grew || (cap != i." << mi.var << "value.capacity ());";
}
-
- private:
- string type;
- string db_type_id;
- string member;
- string traits;
-
- member_database_type_id member_database_type_id_;
};
entry<init_image_member> init_image_member_;
@@ -482,147 +325,21 @@ namespace relational
// init value
//
- struct init_value_member: relational::init_value_member, member_base
+ struct init_value_member: relational::init_value_member_impl<sql_type>,
+ member_base
{
init_value_member (base const& x)
- : member_base::base (x), // virtual base
- base (x),
- member_base (x),
- member_database_type_id_ (base::type_override_,
- base::fq_type_override_,
- base::key_prefix_)
- {
- }
-
- virtual bool
- pre (member_info& mi)
- {
- if (container (mi))
- return false;
-
- if (!member_override_.empty ())
- member = member_override_;
- else
- {
- string const& name (mi.m.name ());
- member = "o." + name;
-
- if (mi.cq)
- member = "const_cast< " + mi.fq_type (false) + "& > (" +
- member + ")";
-
- os << "// " << name << endl
- << "//" << endl;
- }
-
- // If this is a wrapped composite value, then we need to
- // "unwrap" it. For simple values this is taken care of
- // by the value_traits specializations.
- //
- if (mi.wrapper != 0 && composite (mi.t))
- {
- // Here we need the wrapper type, not the wrapped type.
- //
- member = "wrapper_traits< " + mi.fq_type (false) + " >::" +
- "set_ref (\n" + member + ")";
- }
-
- if (composite (mi.t))
- traits = "composite_value_traits< " + mi.fq_type () + " >";
- else
- {
- // When handling a pointer, mi.t is the id type of the referenced
- // object.
- //
- semantics::type& mt (member_utype (mi.m, key_prefix_));
-
- if (semantics::class_* c = object_pointer (mt))
- {
- type = "obj_traits::id_type";
- db_type_id = member_database_type_id_.database_type_id (mi.m);
-
- // Handle NULL pointers and extract the id.
- //
- os << "{"
- << "typedef object_traits< " << class_fq_name (*c) <<
- " > obj_traits;"
- << "typedef pointer_traits< " << mi.fq_type () <<
- " > ptr_traits;"
- << endl
- << "if (i." << mi.var << "null)" << endl;
-
- if (null (mi.m, key_prefix_))
- os << member << " = ptr_traits::pointer_type ();";
- else
- os << "throw null_pointer ();";
-
- os << "else"
- << "{"
- << type << " id;";
-
- member = "id";
- }
- else
- {
- type = mi.fq_type ();
- db_type_id = member_database_type_id_.database_type_id (mi.m);
- }
-
- traits = "sqlite::value_traits<\n "
- + type + ",\n "
- + db_type_id + " >";
- }
-
- return true;
- }
-
- virtual void
- post (member_info& mi)
+ : member_base::base (x), // virtual base
+ member_base::base_impl (x), // virtual base
+ base_impl (x),
+ member_base (x)
{
- if (composite (mi.t))
- return;
-
- // When handling a pointer, mi.t is the id type of the referenced
- // object.
- //
- semantics::type& mt (member_utype (mi.m, key_prefix_));
-
- if (object_pointer (mt))
- {
- if (!member_override_.empty ())
- member = member_override_;
- else
- {
- member = "o." + mi.m.name ();
-
- if (mi.cq)
- member = "const_cast< " + mi.fq_type (false) + "& > (" +
- member + ")";
- }
-
- if (lazy_pointer (mt))
- os << member << " = ptr_traits::pointer_type (db, id);";
- else
- os << "// If a compiler error points to the line below, then" << endl
- << "// it most likely means that a pointer used in a member" << endl
- << "// cannot be initialized from an object pointer." << endl
- << "//" << endl
- << member << " = ptr_traits::pointer_type (" << endl
- << "db.load< obj_traits::object_type > (id));";
-
- os << "}"
- << "}";
- }
}
virtual void
- traverse_composite (member_info& mi)
+ get_null (member_info& mi)
{
- os << traits << "::init (" << endl
- << member << "," << endl
- << "i." << mi.var << "value," << endl
- << "db);"
- << endl;
+ os << "i." << mi.var << "null";
}
virtual void
@@ -655,14 +372,6 @@ namespace relational
<< "i." << mi.var << "null);"
<< endl;
}
-
- private:
- string type;
- string db_type_id;
- string traits;
- string member;
-
- member_database_type_id member_database_type_id_;
};
entry<init_value_member> init_value_member_;
@@ -680,7 +389,6 @@ namespace relational
};
entry<container_traits> container_traits_;
-
struct class_: relational::class_, context
{
class_ (base const& x): base (x) {}
generated by cgit v1.1 at 2024-05-02 15:32:14 +0000