From d7143a4160d093abecf911de4084d5dd3aa3be92 Mon Sep 17 00:00:00 2001 From: Alexander Barkov Date: Fri, 18 Jan 2013 19:21:44 +0400 Subject: Adding the CONNECT storage engine sources. --- storage/connect/xobject.cpp | 178 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 178 insertions(+) create mode 100644 storage/connect/xobject.cpp (limited to 'storage/connect/xobject.cpp') diff --git a/storage/connect/xobject.cpp b/storage/connect/xobject.cpp new file mode 100644 index 00000000000..db4c4a6980e --- /dev/null +++ b/storage/connect/xobject.cpp @@ -0,0 +1,178 @@ +/************ Xobject C++ Functions Source Code File (.CPP) ************/ +/* Name: XOBJECT.CPP Version 2.2 */ +/* */ +/* (C) Copyright to the author Olivier BERTRAND 1998-2012 */ +/* */ +/* This file contains base XOBJECT class functions. */ +/* Also here is the implementation of the CONSTANT class. */ +/***********************************************************************/ + +/***********************************************************************/ +/* Include mariaDB header file. */ +/***********************************************************************/ +#include "my_global.h" + +/***********************************************************************/ +/* Include required application header files */ +/* global.h is header containing all global Plug declarations. */ +/* plgdbsem.h is header containing the DB applic. declarations. */ +/***********************************************************************/ +#include "global.h" +#include "plgdbsem.h" +#include "xobject.h" + +/***********************************************************************/ +/* Macro definitions. */ +/***********************************************************************/ +#if defined(_DEBUG) || defined(DEBTRACE) +#define ASSERT(B) assert(B); +#else +#define ASSERT(B) +#endif + +/***********************************************************************/ +/* The one and only needed void object. */ +/***********************************************************************/ +XVOID Xvoid; +PXOB const pXVOID = &Xvoid; // Pointer used by other classes + +/* ------------------------- Class XOBJECT --------------------------- */ + +/***********************************************************************/ +/* GetCharValue: returns the Result value as a char string. */ +/* Using GetCharValue provides no conversion from numeric types. */ +/***********************************************************************/ +PSZ XOBJECT::GetCharValue(void) + { + ASSERT(Value) + return Value->GetCharValue(); + } // end of GetCharValue() + +/***********************************************************************/ +/* GetShortValue: returns the Result value as a short integer. */ +/***********************************************************************/ +short XOBJECT::GetShortValue(void) + { + ASSERT(Value) + return Value->GetShortValue(); + } // end of GetShortValue + +/***********************************************************************/ +/* GetIntValue: returns the Result value as a int integer. */ +/***********************************************************************/ +int XOBJECT::GetIntValue(void) + { + ASSERT(Value) + return Value->GetIntValue(); + } // end of GetIntValue + +/***********************************************************************/ +/* GetFloatValue: returns the Result value as a double float. */ +/***********************************************************************/ +double XOBJECT::GetFloatValue(void) + { + ASSERT(Value) + return Value->GetFloatValue(); + } // end of GetFloatValue + +/* ------------------------- Class CONSTANT -------------------------- */ + +/***********************************************************************/ +/* CONSTANT public constructor. */ +/***********************************************************************/ +CONSTANT::CONSTANT(PGLOBAL g, void *value, short type) + { + if (!(Value = AllocateValue(g, value, (int)type))) + longjmp(g->jumper[g->jump_level], TYPE_CONST); + + Constant = true; + } // end of CONSTANT constructor + +/***********************************************************************/ +/* CONSTANT public constructor. */ +/***********************************************************************/ +CONSTANT::CONSTANT(PGLOBAL g, int n) + { + if (!(Value = AllocateValue(g, &n, TYPE_INT))) + longjmp(g->jumper[g->jump_level], TYPE_CONST); + + Constant = true; + } // end of CONSTANT constructor + +/***********************************************************************/ +/* GetLengthEx: returns an evaluation of the constant string length. */ +/* Note: When converting from token to string, length has to be */ +/* specified but we need the domain length, not the value length. */ +/***********************************************************************/ +int CONSTANT::GetLengthEx(void) + { + return Value->GetValLen(); + } // end of GetLengthEx + +/***********************************************************************/ +/* Convert a constant to the given type. */ +/***********************************************************************/ +void CONSTANT::Convert(PGLOBAL g, int newtype) + { + if (Value->GetType() != newtype) + if (!(Value = AllocateValue(g, Value, newtype))) + longjmp(g->jumper[g->jump_level], TYPE_CONST); + + } // end of Convert + +/***********************************************************************/ +/* Compare: returns true if this object is equivalent to xp. */ +/***********************************************************************/ +bool CONSTANT::Compare(PXOB xp) + { + if (this == xp) + return true; + else if (xp->GetType() != TYPE_CONST) + return false; + else + return Value->IsEqual(xp->GetValue(), true); + + } // end of Compare + +/***********************************************************************/ +/* Rephrase: temporary implementation used by PlugRephraseSQL. */ +/***********************************************************************/ +bool CONSTANT::Rephrase(PGLOBAL g, PSZ work) + { + switch (Value->GetType()) { + case TYPE_STRING: + sprintf(work + strlen(work), "'%s'", Value->GetCharValue()); + break; + case TYPE_SHORT: + sprintf(work + strlen(work), "%hd", Value->GetShortValue()); + break; + case TYPE_INT: + case TYPE_DATE: + sprintf(work + strlen(work), "%d", Value->GetIntValue()); + break; + case TYPE_FLOAT: + sprintf(work + strlen(work), "%lf", Value->GetFloatValue()); + break; + default: + sprintf(g->Message, MSG(BAD_CONST_TYPE), Value->GetType()); + return false; + } // endswitch + + return false; + } // end of Rephrase + +/***********************************************************************/ +/* Make file output of a constant object. */ +/***********************************************************************/ +void CONSTANT::Print(PGLOBAL g, FILE *f, uint n) + { + Value->Print(g, f, n); + } /* end of Print */ + +/***********************************************************************/ +/* Make string output of a constant object. */ +/***********************************************************************/ +void CONSTANT::Print(PGLOBAL g, char *ps, uint z) + { + Value->Print(g, ps, z); + } /* end of Print */ -- cgit v1.2.1