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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 18:00:34 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 18:00:34 +0000
commit3f619478f796eddbba6e39502fe941b285dd97b1 (patch)
treee2c7b5777f728320e5b5542b6213fd3591ba51e2 /storage/connect/value.h
parentInitial commit. (diff)
downloadmariadb-3f619478f796eddbba6e39502fe941b285dd97b1.tar.xz
mariadb-3f619478f796eddbba6e39502fe941b285dd97b1.zip
Adding upstream version 1:10.11.6.upstream/1%10.11.6upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--storage/connect/value.h451
1 files changed, 451 insertions, 0 deletions
diff --git a/storage/connect/value.h b/storage/connect/value.h
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+/**************** Value H Declares Source Code File (.H) ***************/
+/* Name: VALUE.H Version 2.4 */
+/* */
+/* (C) Copyright to the author Olivier BERTRAND 2001-2019 */
+/* */
+/* This file contains the VALUE and derived classes declares. */
+/***********************************************************************/
+#ifndef __VALUE__H__
+#define __VALUE__H__
+
+/***********************************************************************/
+/* Include required application header files */
+/* assert.h is header required when using the assert function. */
+/* block.h is header containing Block global declarations. */
+/***********************************************************************/
+#include "assert.h"
+#include "block.h"
+
+/***********************************************************************/
+/* This should list the processors accepting unaligned numeral values.*/
+/***********************************************************************/
+#if defined(__i386__) || defined(__x86_64__) || defined(_M_IX86) || defined(_M_X64) || defined(_M_AMD64) || defined(_M_IA64)
+#define UNALIGNED_OK
+#endif
+
+/***********************************************************************/
+/* Types used in some class definitions. */
+/***********************************************************************/
+enum CONV {CNV_ANY = 0, /* Convert to any type */
+ CNV_CHAR = 1, /* Convert to character type */
+ CNV_NUM = 2}; /* Convert to numeric type */
+
+/***********************************************************************/
+/* Types used in some class definitions. */
+/***********************************************************************/
+class CONSTANT; // For friend setting
+typedef struct _datpar *PDTP; // For DTVAL
+
+/***********************************************************************/
+/* Utilities used to test types and to allocated values. */
+/***********************************************************************/
+// Exported functions
+DllExport PCSZ GetTypeName(int);
+DllExport unsigned GetTypeSize(int, unsigned);
+#ifdef ODBC_SUPPORT
+/* This function is exported for use in OEM table type DLLs */
+DllExport int TranslateSQLType(int stp, int prec,
+ int& len, char& v, bool& w);
+#endif
+DllExport const char *GetFormatType(int);
+DllExport int GetFormatType(char);
+DllExport bool IsTypeChar(int type);
+DllExport bool IsTypeNum(int type);
+DllExport int ConvertType(int, int, CONV, bool match = false);
+DllExport PVAL AllocateValue(PGLOBAL, void *, short, short = 2);
+DllExport PVAL AllocateValue(PGLOBAL, PVAL, int = TYPE_VOID, int = 0);
+DllExport PVAL AllocateValue(PGLOBAL, int, int len = 0, int prec = 0,
+ bool uns = false, PCSZ fmt = NULL);
+DllExport ulonglong CharToNumber(PCSZ, int, ulonglong, bool,
+ bool *minus = NULL, bool *rc = NULL);
+DllExport BYTE OpBmp(PGLOBAL g, OPVAL opc);
+
+/***********************************************************************/
+/* Class VALUE represents a constant or variable of any valid type. */
+/***********************************************************************/
+class DllExport VALUE : public BLOCK {
+ friend class CONSTANT; // The only object allowed to use SetConstFormat
+ friend class SWAP; // The only class allowed to access protected
+public:
+ // Constructors
+
+ // Implementation
+ virtual bool IsTypeNum(void) = 0;
+ virtual bool IsZero(void) = 0;
+ virtual bool IsCi(void) {return false;}
+ virtual bool IsUnsigned(void) {return Unsigned;}
+ virtual void Reset(void) = 0;
+ virtual int GetSize(void) = 0;
+ virtual int GetValLen(void) = 0;
+ virtual int GetValPrec(void) = 0;
+ virtual int GetLength(void) {return 1;}
+ virtual PSZ GetCharValue(void) {assert(false); return NULL;}
+ virtual char GetTinyValue(void) {assert(false); return 0;}
+ virtual uchar GetUTinyValue(void) {assert(false); return 0;}
+ virtual short GetShortValue(void) {assert(false); return 0;}
+ virtual ushort GetUShortValue(void) {assert(false); return 0;}
+ virtual int GetIntValue(void) = 0;
+ virtual uint GetUIntValue(void) = 0;
+ virtual longlong GetBigintValue(void) = 0;
+ virtual ulonglong GetUBigintValue(void) = 0;
+ virtual double GetFloatValue(void) = 0;
+ virtual void *GetTo_Val(void) = 0;
+ virtual void SetPrec(int prec) {Prec = prec;}
+ bool IsNull(void) {return (Nullable && Null);}
+ void SetNull(bool b) {Null = (Nullable ? b : false);}
+ bool GetNullable(void) {return Nullable;}
+ void SetNullable(bool b) {Nullable = b;}
+ int GetType(void) {return Type;}
+ int GetClen(void) {return Clen;}
+ void SetGlobal(PGLOBAL g) {Global = g;}
+
+ // Methods
+ virtual bool SetValue_pval(PVAL valp, bool chktype = false) = 0;
+ virtual bool SetValue_char(const char *p, int n) = 0;
+ virtual void SetValue_psz(PCSZ s) = 0;
+ virtual void SetValue_bool(bool) {assert(false);}
+ virtual int CompareValue(PVAL vp) = 0;
+ virtual BYTE TestValue(PVAL vp);
+ virtual void SetValue(char) {assert(false);}
+ virtual void SetValue(uchar) {assert(false);}
+ virtual void SetValue(short) {assert(false);}
+ virtual void SetValue(ushort) {assert(false);}
+ virtual void SetValue(int) {assert(false);}
+ virtual void SetValue(uint) {assert(false);}
+ virtual void SetValue(longlong) {assert(false);}
+ virtual void SetValue(ulonglong) {assert(false);}
+ virtual void SetValue(double) {assert(false);}
+ virtual void SetValue_pvblk(PVBLK blk, int n) = 0;
+ virtual void SetBinValue(void* p) = 0;
+ virtual bool GetBinValue(void *buf, int buflen, bool go) = 0;
+ virtual int ShowValue(char *buf, int len) = 0;
+ virtual char *GetCharString(char *p) = 0;
+ virtual bool IsEqual(PVAL vp, bool chktype) = 0;
+ virtual bool Compute(PGLOBAL g, PVAL *vp, int np, OPVAL op);
+ virtual bool FormatValue(PVAL vp, PCSZ fmt) = 0;
+ virtual void Printf(PGLOBAL g, FILE *, uint);
+ virtual void Prints(PGLOBAL g, char *ps, uint z);
+
+ /**
+ Set value from a non-aligned in-memory value in the machine byte order.
+ TYPE can be either of:
+ - int, short, longlong
+ - uint, ushort, ulonglong
+ - float, double
+ @param - a pointer to a non-aligned value of type TYPE.
+ */
+ template<typename TYPE>
+ void SetValueNonAligned(const char *p)
+ {
+#if defined(UNALIGNED_OK)
+ SetValue(*((TYPE*)p)); // x86 can cast non-aligned memory directly
+#else
+ TYPE tmp; // a slower version for non-x86 platforms
+ memcpy(&tmp, p, sizeof(tmp));
+ SetValue(tmp);
+#endif
+ } // end of SetValueNonAligned
+
+ /**
+ Get value from a non-aligned in-memory value in the machine byte order.
+ TYPE can be either of:
+ - int, short, longlong
+ - uint, ushort, ulonglong
+ - float, double
+ @params - a pointer to a non-aligned value of type TYPE, the TYPE value.
+ */
+ template<typename TYPE>
+ void GetValueNonAligned(char *p, TYPE n)
+ {
+#if defined(UNALIGNED_OK)
+ *(TYPE *)p = n; // x86 can cast non-aligned memory directly
+#else
+ TYPE tmp = n; // a slower version for non-x86 platforms
+ memcpy(p, &tmp, sizeof(tmp));
+#endif
+ } // end of SetValueNonAligned
+
+protected:
+ virtual bool SetConstFormat(PGLOBAL, FORMAT&) = 0;
+ const char *GetXfmt(void);
+
+ // Constructor used by derived classes
+ VALUE(int type, bool un = false);
+
+ // Members
+ PGLOBAL Global; // To reduce arglist
+ const char *Fmt;
+ const char *Xfmt;
+ bool Nullable; // True if value can be null
+ bool Null; // True if value is null
+ bool Unsigned; // True if unsigned
+ int Type; // The value type
+ int Clen; // Internal value length
+ int Prec;
+ }; // end of class VALUE
+
+/***********************************************************************/
+/* Class TYPVAL: represents a typed value. */
+/***********************************************************************/
+template <class TYPE>
+class DllExport TYPVAL : public VALUE {
+ public:
+ // Constructor
+ TYPVAL(TYPE n, int type, int prec = 0, bool un = false);
+
+ // Implementation
+ virtual bool IsTypeNum(void) {return true;}
+ virtual bool IsZero(void) {return Tval == 0;}
+ virtual void Reset(void) {Tval = 0;}
+ virtual int GetValLen(void);
+ virtual int GetValPrec() {return Prec;}
+ virtual int GetSize(void) {return sizeof(TYPE);}
+//virtual PSZ GetCharValue(void) {return VALUE::GetCharValue();}
+ virtual char GetTinyValue(void) {return (char)Tval;}
+ virtual uchar GetUTinyValue(void) {return (uchar)Tval;}
+ virtual short GetShortValue(void) {return (short)Tval;}
+ virtual ushort GetUShortValue(void) {return (ushort)Tval;}
+ virtual int GetIntValue(void) {return (int)Tval;}
+ virtual uint GetUIntValue(void) {return (uint)Tval;}
+ virtual longlong GetBigintValue(void) {return (longlong)Tval;}
+ virtual ulonglong GetUBigintValue(void) {return (ulonglong)Tval;}
+ virtual double GetFloatValue(void) {return (double)Tval;}
+ virtual void *GetTo_Val(void) {return &Tval;}
+
+ // Methods
+ virtual bool SetValue_pval(PVAL valp, bool chktype);
+ virtual bool SetValue_char(const char *p, int n);
+ virtual void SetValue_psz(PCSZ s);
+ virtual void SetValue_bool(bool b) {Tval = (b) ? 1 : 0;}
+ virtual int CompareValue(PVAL vp);
+ virtual void SetValue(char c) {Tval = (TYPE)c; Null = false;}
+ virtual void SetValue(uchar c) {Tval = (TYPE)c; Null = false;}
+ virtual void SetValue(short i) {Tval = (TYPE)i; Null = false;}
+ virtual void SetValue(ushort i) {Tval = (TYPE)i; Null = false;}
+ virtual void SetValue(int n) {Tval = (TYPE)n; Null = false;}
+ virtual void SetValue(uint n) {Tval = (TYPE)n; Null = false;}
+ virtual void SetValue(longlong n) {Tval = (TYPE)n; Null = false;}
+ virtual void SetValue(ulonglong n) {Tval = (TYPE)n; Null = false;}
+ virtual void SetValue(double f) {Tval = (TYPE)f; Null = false;}
+ virtual void SetValue_pvblk(PVBLK blk, int n);
+ virtual void SetBinValue(void *p);
+ virtual bool GetBinValue(void *buf, int buflen, bool go);
+ virtual int ShowValue(char *buf, int len);
+ virtual char *GetCharString(char *p);
+ virtual bool IsEqual(PVAL vp, bool chktype);
+ virtual bool Compute(PGLOBAL g, PVAL *vp, int np, OPVAL op);
+ virtual bool SetConstFormat(PGLOBAL, FORMAT&);
+ virtual bool FormatValue(PVAL vp, PCSZ fmt);
+
+ protected:
+ static TYPE MinMaxVal(bool b);
+ TYPE SafeAdd(TYPE n1, TYPE n2);
+ TYPE SafeMult(TYPE n1, TYPE n2);
+ bool Compall(PGLOBAL g, PVAL *vp, int np, OPVAL op);
+
+ // Default constructor not to be used
+ TYPVAL(void) : VALUE(TYPE_ERROR) {}
+
+ // Specialized functions
+ static ulonglong MaxVal(void);
+ TYPE GetTypedValue(PVAL vp);
+ TYPE GetTypedValue(PVBLK blk, int n);
+// TYPE GetTypedValue(PSZ s);
+
+ // Members
+ TYPE Tval;
+ }; // end of class TYPVAL
+
+/***********************************************************************/
+/* Specific STRING class. */
+/***********************************************************************/
+template <>
+class DllExport TYPVAL<PSZ>: public VALUE {
+ friend class SWAP; // The only class allowed to offsets Strg
+public:
+ // Constructors
+ TYPVAL(PSZ s, short c = 0);
+ TYPVAL(PGLOBAL g, PSZ s, int n, int c);
+
+ // Implementation
+ virtual bool IsTypeNum(void) {return false;}
+ virtual bool IsZero(void) {return *Strp == 0;}
+ virtual void Reset(void) {*Strp = 0;}
+ virtual int GetValLen(void) {return Len;};
+ virtual int GetValPrec() {return (Ci) ? 1 : 0;}
+ virtual int GetSize(void) {return (Strp) ? (int)strlen(Strp) : 0;}
+ virtual PSZ GetCharValue(void) {return Strp;}
+ virtual char GetTinyValue(void);
+ virtual uchar GetUTinyValue(void);
+ virtual short GetShortValue(void);
+ virtual ushort GetUShortValue(void);
+ virtual int GetIntValue(void);
+ virtual uint GetUIntValue(void);
+ virtual longlong GetBigintValue(void);
+ virtual ulonglong GetUBigintValue(void);
+ virtual double GetFloatValue(void) {return atof(Strp);}
+ virtual void *GetTo_Val(void) {return Strp;}
+ virtual void SetPrec(int prec) {Ci = prec != 0;}
+
+ // Methods
+ virtual bool SetValue_pval(PVAL valp, bool chktype);
+ virtual bool SetValue_char(const char *p, int n);
+ virtual void SetValue_psz(PCSZ s);
+ virtual void SetValue_pvblk(PVBLK blk, int n);
+ virtual void SetValue(char c);
+ virtual void SetValue(uchar c);
+ virtual void SetValue(short i);
+ virtual void SetValue(ushort i);
+ virtual void SetValue(int n);
+ virtual void SetValue(uint n);
+ virtual void SetValue(longlong n);
+ virtual void SetValue(ulonglong n);
+ virtual void SetValue(double f);
+ virtual void SetBinValue(void *p);
+ virtual int CompareValue(PVAL vp);
+ virtual bool GetBinValue(void *buf, int buflen, bool go);
+ virtual int ShowValue(char *buf, int len);
+ virtual char *GetCharString(char *p);
+ virtual bool IsEqual(PVAL vp, bool chktype);
+ virtual bool Compute(PGLOBAL g, PVAL *vp, int np, OPVAL op);
+ virtual bool FormatValue(PVAL vp, PCSZ fmt);
+ virtual bool SetConstFormat(PGLOBAL, FORMAT&);
+ virtual void Prints(PGLOBAL g, char *ps, uint z);
+
+ protected:
+ // Members
+ PSZ Strp;
+ bool Ci; // true if case insensitive
+ int Len;
+ }; // end of class TYPVAL<PSZ>
+
+/***********************************************************************/
+/* Specific DECIMAL class. */
+/***********************************************************************/
+class DllExport DECVAL: public TYPVAL<PSZ> {
+ public:
+ // Constructors
+ DECVAL(PSZ s);
+ DECVAL(PGLOBAL g, PSZ s, int n, int prec, bool uns);
+
+ // Implementation
+ virtual bool IsTypeNum(void) {return true;}
+ virtual bool IsZero(void);
+ virtual void Reset(void);
+ virtual int GetValPrec() {return Prec;}
+
+ // Methods
+ virtual bool GetBinValue(void *buf, int buflen, bool go);
+ virtual int ShowValue(char *buf, int len);
+ virtual bool IsEqual(PVAL vp, bool chktype);
+ virtual int CompareValue(PVAL vp);
+
+ protected:
+ // Members
+ }; // end of class DECVAL
+
+/***********************************************************************/
+/* Specific BINARY class. */
+/***********************************************************************/
+class DllExport BINVAL: public VALUE {
+ friend class SWAP; // The only class allowed to offsets pointers
+public:
+ // Constructors
+//BINVAL(void *p);
+ BINVAL(PGLOBAL g, void *p, int cl, int n);
+
+ // Implementation
+ virtual bool IsTypeNum(void) {return false;}
+ virtual bool IsZero(void);
+ virtual void Reset(void);
+ virtual int GetValLen(void) {return Clen;};
+ virtual int GetValPrec() {return 0;}
+ virtual int GetSize(void) {return Len;}
+ virtual PSZ GetCharValue(void) {return (PSZ)Binp;}
+ virtual char GetTinyValue(void);
+ virtual uchar GetUTinyValue(void);
+ virtual short GetShortValue(void);
+ virtual ushort GetUShortValue(void);
+ virtual int GetIntValue(void);
+ virtual uint GetUIntValue(void);
+ virtual longlong GetBigintValue(void);
+ virtual ulonglong GetUBigintValue(void);
+ virtual double GetFloatValue(void);
+ virtual void *GetTo_Val(void) {return Binp;}
+
+ // Methods
+ virtual bool SetValue_pval(PVAL valp, bool chktype);
+ virtual bool SetValue_char(const char *p, int n);
+ virtual void SetValue_psz(PCSZ s);
+ virtual void SetValue_pvblk(PVBLK blk, int n);
+ virtual void SetValue(char c);
+ virtual void SetValue(uchar c);
+ virtual void SetValue(short i);
+ virtual void SetValue(ushort i);
+ virtual void SetValue(int n);
+ virtual void SetValue(uint n);
+ virtual void SetValue(longlong n);
+ virtual void SetValue(ulonglong n);
+ virtual void SetValue(double f);
+ virtual void SetBinValue(void *p);
+ virtual void SetBinValue(void* p, ulong len);
+ virtual bool GetBinValue(void *buf, int buflen, bool go);
+ virtual int CompareValue(PVAL) {assert(false); return 0;}
+ virtual int ShowValue(char *buf, int len);
+ virtual char *GetCharString(char *p);
+ virtual bool IsEqual(PVAL vp, bool chktype);
+ virtual bool FormatValue(PVAL vp, PCSZ fmt);
+ virtual bool SetConstFormat(PGLOBAL, FORMAT&);
+
+ protected:
+ // Members
+ void *Binp;
+ char *Chrp;
+ int Len;
+ }; // end of class BINVAL
+
+/***********************************************************************/
+/* Class DTVAL: represents a time stamp value. */
+/***********************************************************************/
+class DllExport DTVAL : public TYPVAL<int> {
+ public:
+ // Constructors
+ DTVAL(PGLOBAL g, int n, int p, PCSZ fmt);
+ DTVAL(int n);
+ using TYPVAL<int>::SetValue;
+
+ // Implementation
+ virtual bool SetValue_pval(PVAL valp, bool chktype);
+ virtual bool SetValue_char(const char *p, int n);
+ virtual void SetValue_psz(PCSZ s);
+ virtual void SetValue_pvblk(PVBLK blk, int n);
+ virtual void SetValue(int n);
+ virtual PSZ GetCharValue(void) { return Sdate; }
+ virtual char *GetCharString(char *p);
+ virtual int ShowValue(char *buf, int len);
+ virtual bool FormatValue(PVAL vp, PCSZ fmt);
+ bool SetFormat(PGLOBAL g, PCSZ fmt, int len, int year = 0);
+ bool SetFormat(PGLOBAL g, PVAL valp);
+ bool IsFormatted(void) {return Pdtp != NULL;}
+ bool MakeTime(struct tm *ptm);
+ static void SetTimeShift(void);
+ static int GetShift(void) {return Shift;}
+
+ // Methods
+ bool MakeDate(PGLOBAL g, int *val, int nval);
+
+ struct tm *GetGmTime(struct tm *);
+
+ protected:
+ // Default constructor not to be used
+ DTVAL(void) : TYPVAL<int>() {}
+
+ // Members
+ static int Shift; // Time zone shift in seconds
+ PDTP Pdtp; // To the DATPAR structure
+ char *Sdate; // Utility char buffer
+ int DefYear; // Used by ExtractDate
+ int Len; // Used by CHAR scalar function
+ }; // end of class DTVAL
+
+#endif // __VALUE__H__