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