SilverMoonStudio/EHS
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Database implementation mostly complete.

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This commit is contained in:
Karutoh
2024-04-09 01:44:15 -07:00
parent beba947c69
commit d13fe81ac5
20 changed files with 768 additions and 106 deletions
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66
src/db/DbObject.cpp
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@@ -1,22 +1,29 @@
#include "ehs/db/DbObject.h"
#include "ehs/db/DbTable.h"
#include "ehs/Serializer.h"
#include "ehs/io/File.h"
namespace ehs
{
DbObject::DbObject()
: id(0), loaded(false), parent(nullptr)
: id(0), parent(nullptr)
{
}
DbObject::DbObject(const UInt_64 id)
: id(id), parent(nullptr)
{
}
DbObject::DbObject(DbObject&& obj) noexcept
: id(obj.id), vars((Array<DbVar>&&)obj.vars), loaded(obj.loaded), parent(obj.parent)
: id(obj.id), parent(obj.parent), vars((Array<DbVar>&&)obj.vars)
{
obj.id = 0;
obj.loaded = false;
obj.parent = nullptr;
}
DbObject::DbObject(const DbObject& obj)
: id(obj.id), vars(obj.vars), loaded(obj.loaded), parent(obj.parent)
: id(obj.id), parent(obj.parent), vars(obj.vars)
{
}
@@ -26,12 +33,13 @@ namespace ehs
return *this;
id = obj.id;
vars = (Array<DbVar>&&)obj.vars;
loaded = obj.loaded;
parent = obj.parent;
vars = (Array<DbVar>&&)obj.vars;
for (UInt_64 i = 0; i < vars.Size(); ++i)
vars[i].parent = this;
obj.id = 0;
obj.loaded = false;
obj.parent = nullptr;
return *this;
@@ -43,19 +51,21 @@ namespace ehs
return *this;
id = obj.id;
vars = obj.vars;
loaded = obj.loaded;
parent = obj.parent;
vars = obj.vars;
for (UInt_64 i = 0; i < vars.Size(); ++i)
vars[i].parent = this;
return *this;
}
UInt_64 DbObject::GetId()
UInt_64 DbObject::GetId() const
{
return id;
}
bool DbObject::HasVariable(UInt_64 hashId)
bool DbObject::HasVariable(const UInt_64 hashId) const
{
for (UInt_64 i = 0; i < vars.Size(); ++i)
if (vars[i].GetHashId() == hashId)
@@ -64,7 +74,7 @@ namespace ehs
return false;
}
DbVar* DbObject::GetVariable(UInt_64 hashId) const
DbVar* DbObject::GetVariable(const UInt_64 hashId) const
{
for (UInt_64 i = 0; i < vars.Size(); ++i)
if (vars[i].GetHashId() == hashId)
@@ -73,17 +83,40 @@ namespace ehs
return nullptr;
}
void DbObject::Save()
void DbObject::Save() const
{
if (!IsLoaded())
return;
Serializer<UInt_64> data(Endianness::LE);
data.Write(vars.Size());
for (UInt_64 i = 0; i < vars.Size(); ++i)
vars[i].Serialize(data);
File file(parent->GetId() + "/" + Str_8::FromNum(id), Mode::WRITE, Disposition::CREATE_PERSISTENT);
file.WriteSerializer_64(data);
}
void DbObject::Load()
{
if (IsLoaded())
return;
File file(parent->GetId() + "/" + Str_8::FromNum(id), Mode::READ, Disposition::OPEN);
Serializer<UInt_64> data = file.ReadSerializer_64(Endianness::LE, file.Size());
file.Release();
vars.Resize(data.Read<UInt_64>());
for (UInt_64 i = 0; i < vars.Size(); ++i)
vars[i].Deserialize(data);
}
bool DbObject::IsLoaded() const
{
return loaded;
return vars.Size();
}
void DbObject::Free()
@@ -91,8 +124,9 @@ namespace ehs
vars.Clear();
}
DbTable* DbObject::GetParent() const
void DbObject::CreateVariable(DbVarTmpl* master)
{
return parent;
vars.Push(DbVar(master->GetHashId(), master, master->GetSize(), master->GetDefault()));
vars[vars.End()].parent = this;
}
}