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/* Copyright (C) 2000 MySQL AB
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
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/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
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* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
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* Copyright (C) 2008 Sun Microsystems
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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#ifndef DRIZZLE_SERVER_SQL_STRING_H
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#define DRIZZLE_SERVER_SQL_STRING_H
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/* This file is originally from the mysql distribution. Coded by monty */
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#ifdef USE_PRAGMA_INTERFACE
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#pragma interface /* gcc class implementation */
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#ifndef NOT_FIXED_DEC
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#define NOT_FIXED_DEC 31
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#include <libdrizzle/drizzle_com.h>
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#include <mysys/iocache.h>
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int sortcmp(const String *a,const String *b, CHARSET_INFO *cs);
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String *copy_if_not_alloced(String *a,String *b,uint32 arg_length);
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uint32 copy_and_convert(char *to, uint32 to_length, CHARSET_INFO *to_cs,
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const char *from, uint32 from_length,
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CHARSET_INFO *from_cs, uint *errors);
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uint32 well_formed_copy_nchars(CHARSET_INFO *to_cs,
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char *to, uint to_length,
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CHARSET_INFO *from_cs,
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const char *from, uint from_length,
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int sortcmp(const String *a,const String *b, const CHARSET_INFO * const cs);
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String *copy_if_not_alloced(String *a,String *b,uint32_t arg_length);
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uint32_t copy_and_convert(char *to, uint32_t to_length, const CHARSET_INFO * const to_cs,
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const char *from, uint32_t from_length,
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const CHARSET_INFO * const from_cs, uint32_t *errors);
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uint32_t well_formed_copy_nchars(const CHARSET_INFO * const to_cs,
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char *to, uint32_t to_length,
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const CHARSET_INFO * const from_cs,
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const char *from, uint32_t from_length,
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const char **well_formed_error_pos,
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const char **cannot_convert_error_pos,
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const char **from_end_pos);
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size_t my_copy_with_hex_escaping(CHARSET_INFO *cs,
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size_t my_copy_with_hex_escaping(const CHARSET_INFO * const cs,
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char *dst, size_t dstlen,
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const char *src, size_t srclen);
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uint32 str_length,Alloced_length;
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uint32_t str_length,Alloced_length;
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CHARSET_INFO *str_charset;
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const CHARSET_INFO *str_charset;
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Ptr=0; str_length=Alloced_length=0; alloced=0;
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str_charset= &my_charset_bin;
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String(uint32 length_arg)
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alloced=0; Alloced_length=0; (void) real_alloc(length_arg);
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str_charset= &my_charset_bin;
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String(const char *str, CHARSET_INFO *cs)
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Ptr=(char*) str; str_length=(uint) strlen(str); Alloced_length=0; alloced=0;
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String(const char *str,uint32 len, CHARSET_INFO *cs)
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Ptr=(char*) str; str_length=len; Alloced_length=0; alloced=0;
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String(char *str,uint32 len, CHARSET_INFO *cs)
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Ptr=(char*) str; Alloced_length=str_length=len; alloced=0;
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Ptr(NULL), str_length(0), Alloced_length(0),
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alloced(false), str_charset(&my_charset_bin)
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String(uint32_t length_arg) :
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Ptr(NULL), str_length(0), Alloced_length(0),
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alloced(false), str_charset(&my_charset_bin)
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(void) real_alloc(length_arg);
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String(const char *str, const CHARSET_INFO * const cs) :
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Ptr(str), str_length(0), Alloced_length(0),
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alloced(false), str_charset(cs)
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str_length= strlen(str);
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String(const char *str,uint32_t len, const CHARSET_INFO * const cs) :
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str_length(len), Alloced_length(0), alloced(false),
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Ptr(str), str_charset(cs)
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String(const String &str)
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str_length(str.Ptr), Alloced_length(0), alloced(false),
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Ptr(str), str_charset(cs)
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Ptr=str.Ptr ; str_length=str.str_length ;
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Alloced_length=str.Alloced_length; alloced=0;
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Alloced_length=str.Alloced_length; alloced=0;
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str_charset=str.str_charset;
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static void *operator new(size_t size, MEM_ROOT *mem_root)
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{ return (void*) alloc_root(mem_root, (uint) size); }
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static void operator delete(void *ptr_arg __attribute__((__unused__)),
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size_t size __attribute__((__unused__)))
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static void operator delete(void *ptr_arg __attribute__((unused)),
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size_t size __attribute__((unused)))
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{ TRASH(ptr_arg, size); }
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static void operator delete(void *ptr_arg __attribute__((__unused__)),
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MEM_ROOT *mem_root __attribute__((__unused__)))
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static void operator delete(void *ptr_arg __attribute__((unused)),
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MEM_ROOT *mem_root __attribute__((unused)))
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{ /* never called */ }
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~String() { free(); }
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inline void set_charset(CHARSET_INFO *charset_arg)
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inline void set_charset(const CHARSET_INFO * const charset_arg)
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{ str_charset= charset_arg; }
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inline CHARSET_INFO *charset() const { return str_charset; }
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inline uint32 length() const { return str_length;}
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inline uint32 alloced_length() const { return Alloced_length;}
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inline char& operator [] (uint32 i) const { return Ptr[i]; }
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inline void length(uint32 len) { str_length=len ; }
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inline const CHARSET_INFO *charset() const { return str_charset; }
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inline uint32_t length() const { return str_length;}
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inline uint32_t alloced_length() const { return Alloced_length;}
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inline char& operator [] (uint32_t i) const { return Ptr[i]; }
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inline void length(uint32_t len) { str_length=len ; }
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inline bool is_empty() { return (str_length == 0); }
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inline void mark_as_const() { Alloced_length= 0;}
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inline char *ptr() { return Ptr; }
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inline const char *ptr() const { return Ptr; }
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inline char *c_ptr()
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bool copy(); // Alloc string if not alloced
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bool copy(const String &s); // Allocate new string
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bool copy(const char *s,uint32 arg_length, CHARSET_INFO *cs); // Allocate new string
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static bool needs_conversion(uint32 arg_length,
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CHARSET_INFO *cs_from, CHARSET_INFO *cs_to,
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bool copy_aligned(const char *s, uint32 arg_length, uint32 offset,
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bool set_or_copy_aligned(const char *s, uint32 arg_length, CHARSET_INFO *cs);
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bool copy(const char*s,uint32 arg_length, CHARSET_INFO *csfrom,
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CHARSET_INFO *csto, uint *errors);
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bool copy(const char *s,uint32_t arg_length, const CHARSET_INFO * const cs); // Allocate new string
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static bool needs_conversion(uint32_t arg_length,
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const CHARSET_INFO * const cs_from, const CHARSET_INFO * const cs_to,
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bool copy_aligned(const char *s, uint32_t arg_length, uint32_t offset,
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const CHARSET_INFO * const cs);
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bool set_or_copy_aligned(const char *s, uint32_t arg_length, const CHARSET_INFO * const cs);
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bool copy(const char*s,uint32_t arg_length, const CHARSET_INFO * const csfrom,
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const CHARSET_INFO * const csto, uint32_t *errors);
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bool append(const String &s);
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bool append(const char *s);
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bool append(const char *s,uint32 arg_length);
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bool append(const char *s,uint32 arg_length, CHARSET_INFO *cs);
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bool append(IO_CACHE* file, uint32 arg_length);
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bool append_with_prefill(const char *s, uint32 arg_length,
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uint32 full_length, char fill_char);
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int strstr(const String &search,uint32 offset=0); // Returns offset to substring or -1
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int strrstr(const String &search,uint32 offset=0); // Returns offset to substring or -1
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bool replace(uint32 offset,uint32 arg_length,const char *to,uint32 length);
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bool replace(uint32 offset,uint32 arg_length,const String &to);
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bool append(const char *s,uint32_t arg_length);
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bool append(const char *s,uint32_t arg_length, const CHARSET_INFO * const cs);
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bool append(IO_CACHE* file, uint32_t arg_length);
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bool append_with_prefill(const char *s, uint32_t arg_length,
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uint32_t full_length, char fill_char);
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int strstr(const String &search,uint32_t offset=0); // Returns offset to substring or -1
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int strrstr(const String &search,uint32_t offset=0); // Returns offset to substring or -1
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bool replace(uint32_t offset,uint32_t arg_length,const char *to,uint32_t length);
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bool replace(uint32_t offset,uint32_t arg_length,const String &to);
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inline bool append(char chr)
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if (str_length < Alloced_length)