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SqMod/modules/mysql/ResultSet.hpp

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#ifndef _SQMYSQL_RESULTSET_HPP_
#define _SQMYSQL_RESULTSET_HPP_
// ------------------------------------------------------------------------------------------------
#include "Handle/ResultSet.hpp"
#include "Field.hpp"
// ------------------------------------------------------------------------------------------------
namespace SqMod {
/* ------------------------------------------------------------------------------------------------
* Allows management and interaction with a result set handle.
*/
class ResultSet
{
private:
// --------------------------------------------------------------------------------------------
ResRef m_Handle; // Reference to the actual database result-set.
protected:
/* --------------------------------------------------------------------------------------------
* Validate the managed statement handle and throw an error if invalid.
*/
#if defined(_DEBUG) || defined(SQMOD_EXCEPTLOC)
void Validate(CCStr file, Int32 line) const;
#else
void Validate() const;
#endif // _DEBUG
/* --------------------------------------------------------------------------------------------
* Validate the managed statement handle and throw an error if invalid.
*/
#if defined(_DEBUG) || defined(SQMOD_EXCEPTLOC)
void ValidateCreated(CCStr file, Int32 line) const;
#else
void ValidateCreated() const;
#endif // _DEBUG
/* --------------------------------------------------------------------------------------------
* Validate the managed statement handle and row, and throw an error if invalid.
*/
#if defined(_DEBUG) || defined(SQMOD_EXCEPTLOC)
void ValidateStepped(CCStr file, Int32 line) const;
#else
void ValidateStepped() const;
#endif // _DEBUG
/* --------------------------------------------------------------------------------------------
* Validate the managed statement handle and throw an error if invalid.
*/
#if defined(_DEBUG) || defined(SQMOD_EXCEPTLOC)
const ResRef & GetValid(CCStr file, Int32 line) const;
#else
const ResRef & GetValid() const;
#endif // _DEBUG
/* --------------------------------------------------------------------------------------------
* Validate the managed statement handle and throw an error if invalid.
*/
#if defined(_DEBUG) || defined(SQMOD_EXCEPTLOC)
const ResRef & GetCreated(CCStr file, Int32 line) const;
#else
const ResRef & GetCreated() const;
#endif // _DEBUG
/* --------------------------------------------------------------------------------------------
* Validate the managed statement handle and row, and throw an error if invalid.
*/
#if defined(_DEBUG) || defined(SQMOD_EXCEPTLOC)
const ResRef & GetStepped(CCStr file, Int32 line) const;
#else
const ResRef & GetStepped() const;
#endif // _DEBUG
/* --------------------------------------------------------------------------------------------
* Validate the statement reference and field index, and throw an error if they're invalid.
*/
#if defined(_DEBUG) || defined(SQMOD_EXCEPTLOC)
void ValidateField(Int32 idx, CCStr file, Int32 line) const;
#else
void ValidateField(Int32 idx) const;
#endif // _DEBUG
public:
/* --------------------------------------------------------------------------------------------
* Default constructor.
*/
ResultSet()
: m_Handle()
{
/* ... */
}
/* --------------------------------------------------------------------------------------------
* Connection constructor.
*/
ResultSet(const ConnRef & conn)
: m_Handle(new ResHnd())
{
m_Handle->Create(conn);
}
/* --------------------------------------------------------------------------------------------
* Statement constructor.
*/
ResultSet(const StmtRef & stmt)
: m_Handle(new ResHnd())
{
m_Handle->Create(stmt);
}
/* --------------------------------------------------------------------------------------------
* Handle constructor.
*/
ResultSet(const ResRef & hnd)
: m_Handle(hnd)
{
/* ... */
}
/* --------------------------------------------------------------------------------------------
* Copy constructor.
*/
ResultSet(const ResultSet & o) = default;
/* --------------------------------------------------------------------------------------------
* Move constructor.
*/
ResultSet(ResultSet && o) = default;
/* --------------------------------------------------------------------------------------------
* Destructor.
*/
~ResultSet() = default;
/* --------------------------------------------------------------------------------------------
* Copy assignment operator.
*/
ResultSet & operator = (const ResultSet & o) = default;
/* --------------------------------------------------------------------------------------------
* Move assignment operator.
*/
ResultSet & operator = (ResultSet && o) = default;
/* --------------------------------------------------------------------------------------------
* Used by the script engine to compare two instances of this type.
*/
Int32 Cmp(const ResultSet & o) const
{
if (m_Handle.Get() == o.m_Handle.Get())
{
return 0;
}
else if (m_Handle.Get() > o.m_Handle.Get())
{
return 1;
}
else
{
return -1;
}
}
/* --------------------------------------------------------------------------------------------
* Used by the script engine to convert an instance of this type to a string.
*/
CSStr ToString() const
{
// Do we have a valid handle?
if (m_Handle)
{
ToStrF("%u", m_Handle->mFieldCount);
}
// Default to a negative value
return _SC("-1");
}
/* --------------------------------------------------------------------------------------------
* Used by the script engine to retrieve the name from instances of this type.
*/
static SQInteger Typename(HSQUIRRELVM vm);
/* --------------------------------------------------------------------------------------------
* See whether the managed handle is valid.
*/
bool IsValid() const
{
return m_Handle;
}
/* --------------------------------------------------------------------------------------------
* Returns the current position of the row cursor for the last Next().
*/
Object RowIndex() const
{
return MakeULongObj(SQMOD_GET_CREATED(*this)->RowIndex());
}
/* --------------------------------------------------------------------------------------------
* Returns the number of rows in the result set.
*/
Object RowCount() const
{
return MakeULongObj(SQMOD_GET_CREATED(*this)->RowCount());
}
/* --------------------------------------------------------------------------------------------
* Retrieve the next row from the query.
*/
bool Next() const
{
return SQMOD_GET_CREATED(*this)->Next();
}
/* --------------------------------------------------------------------------------------------
* Seeks to an arbitrary row in a query result set.
*/
bool SetRowIndex(SQInteger index) const
{
return SQMOD_GET_CREATED(*this)->SetRowIndex(ConvTo< Uint64 >::From(index));
}
/* --------------------------------------------------------------------------------------------
* Seeks to an arbitrary row in a query result set.
*/
bool SetLongRowIndex(Object & index) const
{
return SQMOD_GET_CREATED(*this)->SetRowIndex(FetchULongObjVal(index));
}
/* --------------------------------------------------------------------------------------------
* Retrieve the field with the specified name or index.
*/
Field GetField(const Object & field) const
{
return Field(SQMOD_GET_STEPPED(*this), field);
}
/* --------------------------------------------------------------------------------------------
* Retrieve the value inside the specified field as a boolean value.
*/
bool GetBoolean(const Object & field) const
{
return Field(SQMOD_GET_STEPPED(*this), field).GetBoolean();
}
/* --------------------------------------------------------------------------------------------
* Retrieve the value inside the specified field as a character.
*/
SQChar GetChar(const Object & field) const
{
return Field(SQMOD_GET_STEPPED(*this), field).GetChar();
}
/* --------------------------------------------------------------------------------------------
* Retrieve the value inside the specified field as a native script integer.
*/
SQInteger GetInteger(const Object & field) const
{
return Field(SQMOD_GET_STEPPED(*this), field).GetInteger();
}
/* --------------------------------------------------------------------------------------------
* Retrieve the value inside the specified field as a native script floating point.
*/
SQFloat GetFloat(const Object & field) const
{
return Field(SQMOD_GET_STEPPED(*this), field).GetFloat();
}
/* --------------------------------------------------------------------------------------------
* Retrieve the value inside the specified field as a signed 8 bit integer value.
*/
SQInteger GetInt8(const Object & field) const
{
return Field(SQMOD_GET_STEPPED(*this), field).GetInt8();
}
/* --------------------------------------------------------------------------------------------
* Retrieve the value inside the specified field as an unsigned 8 bit integer value.
*/
SQInteger GetUint8(const Object & field) const
{
return Field(SQMOD_GET_STEPPED(*this), field).GetUint8();
}
/* --------------------------------------------------------------------------------------------
* Retrieve the value inside the specified field as a signed 16 bit integer value.
*/
SQInteger GetInt16(const Object & field) const
{
return Field(SQMOD_GET_STEPPED(*this), field).GetInt16();
}
/* --------------------------------------------------------------------------------------------
* Retrieve the value inside the specified field as an unsigned 16 bit integer value.
*/
SQInteger GetUint16(const Object & field) const
{
return Field(SQMOD_GET_STEPPED(*this), field).GetUint16();
}
/* --------------------------------------------------------------------------------------------
* Retrieve the value inside the specified field as a signed 32 bit integer value.
*/
SQInteger GetInt32(const Object & field) const
{
return Field(SQMOD_GET_STEPPED(*this), field).GetInt32();
}
/* --------------------------------------------------------------------------------------------
* Retrieve the value inside the specified field as an unsigned 32 bit integer value.
*/
SQInteger GetUint32(const Object & field) const
{
return Field(SQMOD_GET_STEPPED(*this), field).GetUint32();
}
/* --------------------------------------------------------------------------------------------
* Retrieve the value inside the specified field as a signed 64 bit integer value.
*/
Object GetInt64(const Object & field) const
{
return Field(SQMOD_GET_STEPPED(*this), field).GetInt64();
}
/* --------------------------------------------------------------------------------------------
* Retrieve the value inside the specified field as an unsigned 64 bit integer value.
*/
Object GetUint64(const Object & field) const
{
return Field(SQMOD_GET_STEPPED(*this), field).GetUint64();
}
/* --------------------------------------------------------------------------------------------
* Retrieve the value inside the specified field as a 32 bit floating point value.
*/
SQFloat GetFloat32(const Object & field) const
{
return Field(SQMOD_GET_STEPPED(*this), field).GetFloat32();
}
/* --------------------------------------------------------------------------------------------
* Retrieve the value inside the specified field as a 64 bit floating point value.
*/
SQFloat GetFloat64(const Object & field) const
{
return Field(SQMOD_GET_STEPPED(*this), field).GetFloat64();
}
/* --------------------------------------------------------------------------------------------
* Retrieve the value inside the specified field as a string value.
*/
Object GetString(const Object & field) const
{
return Field(SQMOD_GET_STEPPED(*this), field).GetString();
}
/* --------------------------------------------------------------------------------------------
* Retrieve the value inside the specified field as a memory buffer.
*/
Object GetBuffer(const Object & field) const
{
return Field(SQMOD_GET_STEPPED(*this), field).GetBuffer();
}
/* --------------------------------------------------------------------------------------------
* Retrieve the value inside the specified field as a memory blob.
*/
Object GetBlob(const Object & field) const
{
return Field(SQMOD_GET_STEPPED(*this), field).GetBlob();
}
};
} // Namespace:: SqMod
#endif // _SQMYSQL_RESULTSET_HPP_
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