diff options
| author | Alexander Barkov <bar@mnogosearch.org> | 2013-01-18 19:21:44 +0400 |
|---|---|---|
| committer | Alexander Barkov <bar@mnogosearch.org> | 2013-01-18 19:21:44 +0400 |
| commit | d7143a4160d093abecf911de4084d5dd3aa3be92 (patch) | |
| tree | 4492cb6ec957a6decf98da85482c88fbe9b18465 /storage/connect/xobject.cpp | |
| parent | 055b62f404ee0a0463ee8ff98a0e24c083b95f1d (diff) | |
| download | mariadb-git-d7143a4160d093abecf911de4084d5dd3aa3be92.tar.gz | |
Adding the CONNECT storage engine sources.
Diffstat (limited to 'storage/connect/xobject.cpp')
| -rw-r--r-- | storage/connect/xobject.cpp | 178 |
1 files changed, 178 insertions, 0 deletions
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 */
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