mariadb/strings/ctype-tis620.c

/* Copyright (C) 2000 MySQL AB

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */

/*
   Copyright (C) 2001  by Korakot Chaovavanich <korakot@iname.com> and
			  Apisilp Trunganont <apisilp@pantip.inet.co.th>
   Copyright (C) 1998, 1999 by Pruet Boonma <pruet@eng.cmu.ac.th>
   Copyright (C) 1998  by Theppitak Karoonboonyanan <thep@links.nectec.or.th>
   Copyright (C) 1989, 1991 by Samphan Raruenrom <samphan@thai.com>

   Permission to use, copy, modify, distribute and sell this software
   and its documentation for any purpose is hereby granted without fee,
   provided that the above copyright notice appear in all copies.
   Samphan Raruenrom , Theppitak Karoonboonyanan , Pruet Boonma ,
   Korakot Chaovavanich and Apisilp Trunganont makes no representations
   about the suitability of this software for any purpose.  It is provided
   "as is" without express or implied warranty.
*/


/*
   This file is basicly tis620 character sets with some extra functions
   for tis-620 handling
*/

/*
 * This comment is parsed by configure to create ctype.c,
 * so don't change it unless you know what you are doing.
 *
 * .configure. strxfrm_multiply_tis620=4
 */

#include <my_global.h>
#include <my_sys.h>
#include "m_string.h"
#include "m_ctype.h"
#include "t_ctype.h"

#ifdef HAVE_CHARSET_tis620

static uchar* thai2sortable(const uchar *tstr,int len);

#define BUFFER_MULTIPLY 4
#define buffsize(s)	(BUFFER_MULTIPLY * (strlen(s) + 1))
#define M  L_MIDDLE
#define U  L_UPPER
#define L  L_LOWER
#define UU L_UPRUPR
#define X  L_MIDDLE


int t_ctype[][TOT_LEVELS] = {
    /*0x00*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x01*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x02*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x03*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x04*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x05*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x06*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x07*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x08*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x09*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x0A*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x0B*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x0C*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x0D*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x0E*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x0F*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x10*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x11*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x12*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x13*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x14*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x15*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x16*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x17*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x18*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x19*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x1A*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x1B*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x1C*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x1D*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x1E*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x1F*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x20*/ { IGNORE, IGNORE, L3_SPACE, IGNORE, M},
    /*0x21*/ { IGNORE, IGNORE, L3_EXCLAMATION, IGNORE, M    },
    /*0x22*/ { IGNORE, IGNORE, L3_QUOTATION, IGNORE, M	    },
    /*0x23*/ { IGNORE, IGNORE, L3_NUMBER, IGNORE, M	    },
    /*0x24*/ { IGNORE, IGNORE, L3_DOLLAR, IGNORE, M	    },
    /*0x25*/ { IGNORE, IGNORE, L3_PERCENT, IGNORE, M	    },
    /*0x26*/ { IGNORE, IGNORE, L3_AMPERSAND, IGNORE, M	    },
    /*0x27*/ { IGNORE, IGNORE, L3_APOSTROPHE, IGNORE, M     },
    /*0x28*/ { IGNORE, IGNORE, L3_L_PARANTHESIS, IGNORE, M  },
    /*0x29*/ { IGNORE, IGNORE, L3_R_PARENTHESIS, IGNORE, M  },
    /*0x2A*/ { IGNORE, IGNORE, L3_ASTERISK, IGNORE, M	    },
    /*0x2B*/ { IGNORE, IGNORE, L3_PLUS, IGNORE, M	    },
    /*0x2C*/ { IGNORE, IGNORE, L3_COMMA, IGNORE, M	    },
    /*0x2D*/ { IGNORE, IGNORE, L3_HYPHEN, IGNORE, M	    },
    /*0x2E*/ { IGNORE, IGNORE, L3_FULL_STOP, IGNORE, M	    },
    /*0x2F*/ { IGNORE, IGNORE, L3_SOLIDUS, IGNORE, M	    },
    /*0x30*/ { L1_08, L2_BLANK, L3_BLANK, L4_BLANK, M  },
    /*0x31*/ { L1_18, L2_BLANK, L3_BLANK, L4_BLANK, M  },
    /*0x32*/ { L1_28, L2_BLANK, L3_BLANK, L4_BLANK, M  },
    /*0x33*/ { L1_38, L2_BLANK, L3_BLANK, L4_BLANK, M  },
    /*0x34*/ { L1_48, L2_BLANK, L3_BLANK, L4_BLANK, M  },
    /*0x35*/ { L1_58, L2_BLANK, L3_BLANK, L4_BLANK, M  },
    /*0x36*/ { L1_68, L2_BLANK, L3_BLANK, L4_BLANK, M  },
    /*0x37*/ { L1_78, L2_BLANK, L3_BLANK, L4_BLANK, M  },
    /*0x38*/ { L1_88, L2_BLANK, L3_BLANK, L4_BLANK, M  },
    /*0x39*/ { L1_98, L2_BLANK, L3_BLANK, L4_BLANK, M  },
    /*0x3A*/ { IGNORE, IGNORE, L3_COLON, IGNORE, M	    },
    /*0x3B*/ { IGNORE, IGNORE, L3_SEMICOLON, IGNORE, M	    },
    /*0x3C*/ { IGNORE, IGNORE, L3_LESS_THAN, IGNORE, M	    },
    /*0x3D*/ { IGNORE, IGNORE, L3_EQUAL, IGNORE, M	    },
    /*0x3E*/ { IGNORE, IGNORE, L3_GREATER_THAN, IGNORE, M   },
    /*0x3F*/ { IGNORE, IGNORE, L3_QUESTION, IGNORE, M	    },
    /*0x40*/ { IGNORE, IGNORE, L3_AT, IGNORE, M		    },
    /*0x41*/ { L1_A8, L2_BLANK, L3_BLANK, L4_CAP, M  },
    /*0x42*/ { L1_B8, L2_BLANK, L3_BLANK, L4_CAP, M  },
    /*0x43*/ { L1_C8, L2_BLANK, L3_BLANK, L4_CAP, M  },
    /*0x44*/ { L1_D8, L2_BLANK, L3_BLANK, L4_CAP, M  },
    /*0x45*/ { L1_E8, L2_BLANK, L3_BLANK, L4_CAP, M  },
    /*0x46*/ { L1_F8, L2_BLANK, L3_BLANK, L4_CAP, M  },
    /*0x47*/ { L1_G8, L2_BLANK, L3_BLANK, L4_CAP, M  },
    /*0x48*/ { L1_H8, L2_BLANK, L3_BLANK, L4_CAP, M  },
    /*0x49*/ { L1_I8, L2_BLANK, L3_BLANK, L4_CAP, M  },
    /*0x4A*/ { L1_J8, L2_BLANK, L3_BLANK, L4_CAP, M  },
    /*0x4B*/ { L1_K8, L2_BLANK, L3_BLANK, L4_CAP, M  },
    /*0x4C*/ { L1_L8, L2_BLANK, L3_BLANK, L4_CAP, M  },
    /*0x4D*/ { L1_M8, L2_BLANK, L3_BLANK, L4_CAP, M  },
    /*0x4E*/ { L1_N8, L2_BLANK, L3_BLANK, L4_CAP, M  },
    /*0x4F*/ { L1_O8, L2_BLANK, L3_BLANK, L4_CAP, M  },
    /*0x50*/ { L1_P8, L2_BLANK, L3_BLANK, L4_CAP, M  },
    /*0x51*/ { L1_Q8, L2_BLANK, L3_BLANK, L4_CAP, M  },
    /*0x52*/ { L1_R8, L2_BLANK, L3_BLANK, L4_CAP, M  },
    /*0x53*/ { L1_S8, L2_BLANK, L3_BLANK, L4_CAP, M  },
    /*0x54*/ { L1_T8, L2_BLANK, L3_BLANK, L4_CAP, M  },
    /*0x55*/ { L1_U8, L2_BLANK, L3_BLANK, L4_CAP, M  },
    /*0x56*/ { L1_V8, L2_BLANK, L3_BLANK, L4_CAP, M  },
    /*0x57*/ { L1_W8, L2_BLANK, L3_BLANK, L4_CAP, M  },
    /*0x58*/ { L1_X8, L2_BLANK, L3_BLANK, L4_CAP, M  },
    /*0x59*/ { L1_Y8, L2_BLANK, L3_BLANK, L4_CAP, M  },
    /*0x5A*/ { L1_Z8, L2_BLANK, L3_BLANK, L4_CAP, M  },
    /*0x5B*/ { IGNORE, IGNORE, L3_L_BRACKET, IGNORE, M	    },
    /*0x5C*/ { IGNORE, IGNORE, L3_BK_SOLIDUS, IGNORE, M     },
    /*0x5D*/ { IGNORE, IGNORE, L3_R_BRACKET, IGNORE, M	    },
    /*0x5E*/ { IGNORE, IGNORE, L3_CIRCUMFLEX, IGNORE, M     },
    /*0x5F*/ { IGNORE, IGNORE, L3_LOW_LINE, IGNORE, M	    },
    /*0x60*/ { IGNORE, IGNORE, L3_GRAVE, IGNORE, M	    },
    /*0x61*/ { L1_A8, L2_BLANK, L3_BLANK, L4_MIN, M  },
    /*0x62*/ { L1_B8, L2_BLANK, L3_BLANK, L4_MIN, M  },
    /*0x63*/ { L1_C8, L2_BLANK, L3_BLANK, L4_MIN, M  },
    /*0x64*/ { L1_D8, L2_BLANK, L3_BLANK, L4_MIN, M  },
    /*0x65*/ { L1_E8, L2_BLANK, L3_BLANK, L4_MIN, M  },
    /*0x66*/ { L1_F8, L2_BLANK, L3_BLANK, L4_MIN, M  },
    /*0x67*/ { L1_G8, L2_BLANK, L3_BLANK, L4_MIN, M  },
    /*0x68*/ { L1_H8, L2_BLANK, L3_BLANK, L4_MIN, M  },
    /*0x69*/ { L1_I8, L2_BLANK, L3_BLANK, L4_MIN, M  },
    /*0x6A*/ { L1_J8, L2_BLANK, L3_BLANK, L4_MIN, M  },
    /*0x6B*/ { L1_K8, L2_BLANK, L3_BLANK, L4_MIN, M  },
    /*0x6C*/ { L1_L8, L2_BLANK, L3_BLANK, L4_MIN, M  },
    /*0x6D*/ { L1_M8, L2_BLANK, L3_BLANK, L4_MIN, M  },
    /*0x6E*/ { L1_N8, L2_BLANK, L3_BLANK, L4_MIN, M  },
    /*0x6F*/ { L1_O8, L2_BLANK, L3_BLANK, L4_MIN, M  },
    /*0x70*/ { L1_P8, L2_BLANK, L3_BLANK, L4_MIN, M  },
    /*0x71*/ { L1_Q8, L2_BLANK, L3_BLANK, L4_MIN, M  },
    /*0x72*/ { L1_R8, L2_BLANK, L3_BLANK, L4_MIN, M  },
    /*0x73*/ { L1_S8, L2_BLANK, L3_BLANK, L4_MIN, M  },
    /*0x74*/ { L1_T8, L2_BLANK, L3_BLANK, L4_MIN, M  },
    /*0x75*/ { L1_U8, L2_BLANK, L3_BLANK, L4_MIN, M  },
    /*0x76*/ { L1_V8, L2_BLANK, L3_BLANK, L4_MIN, M  },
    /*0x77*/ { L1_W8, L2_BLANK, L3_BLANK, L4_MIN, M  },
    /*0x78*/ { L1_X8, L2_BLANK, L3_BLANK, L4_MIN, M  },
    /*0x79*/ { L1_Y8, L2_BLANK, L3_BLANK, L4_MIN, M  },
    /*0x7A*/ { L1_Z8, L2_BLANK, L3_BLANK, L4_MIN, M  },
    /*0x7B*/ { IGNORE, IGNORE, L3_L_BRACE, IGNORE, M	    },
    /*0x7C*/ { IGNORE, IGNORE, L3_V_LINE, IGNORE, M	    },
    /*0x7D*/ { IGNORE, IGNORE, L3_R_BRACE, IGNORE, M	    },
    /*0x7E*/ { IGNORE, IGNORE, L3_TILDE, IGNORE, M	    },
    /*0x7F*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x80*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x81*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x82*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x83*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x84*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x85*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x86*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x87*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x88*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x89*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x8A*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x8B*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x8C*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x8D*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x8E*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x8F*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x90*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x91*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x92*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x93*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x94*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x95*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x96*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x97*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x98*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x99*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x9A*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x9B*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x9C*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x9D*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x9E*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x9F*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0xA0*/ { IGNORE, IGNORE, L3_NB_SACE, IGNORE, X	    },
    /*0xA1*/ { L1_KO_KAI, L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xA2*/ { L1_KHO_KHAI, L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xA3*/ { L1_KHO_KHUAT, L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xA4*/ { L1_KHO_KHWAI, L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xA5*/ { L1_KHO_KHON, L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xA6*/ { L1_KHO_RAKHANG, L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xA7*/ { L1_NGO_NGU, L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xA8*/ { L1_CHO_CHAN, L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xA9*/ { L1_CHO_CHING, L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xAA*/ { L1_CHO_CHANG, L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xAB*/ { L1_SO_SO, L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xAC*/ { L1_CHO_CHOE,	L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xAD*/ { L1_YO_YING, L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xAE*/ { L1_DO_CHADA,	L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xAF*/ { L1_TO_PATAK,	L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xB0*/ { L1_THO_THAN,	L2_BLANK,L3_BLANK, L4_BLANK, M | _consnt},
    /*0xB1*/ { L1_THO_NANGMONTHO, L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xB2*/ { L1_THO_PHUTHAO, L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xB3*/ { L1_NO_NEN, L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xB4*/ { L1_DO_DEK, L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xB5*/ { L1_TO_TAO, L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xB6*/ { L1_THO_THUNG, L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xB7*/ { L1_THO_THAHAN, L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xB8*/ { L1_THO_THONG, L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xB9*/ { L1_NO_NU, L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xBA*/ { L1_BO_BAIMAI, L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xBB*/ { L1_PO_PLA, L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xBC*/ { L1_PHO_PHUNG, L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xBD*/ { L1_FO_FA, L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xBE*/ { L1_PHO_PHAN, L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xBF*/ { L1_FO_FAN, L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xC0*/ { L1_PHO_SAMPHAO, L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xC1*/ { L1_MO_MA, L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xC2*/ { L1_YO_YAK, L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xC3*/ { L1_RO_RUA, L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xC4*/ { L1_RU, L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xC5*/ { L1_LO_LING, L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xC6*/ { L1_LU, L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xC7*/ { L1_WO_WAEN, L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xC8*/ { L1_SO_SALA, L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xC9*/ { L1_SO_RUSI, L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xCA*/ { L1_SO_SUA, L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xCB*/ { L1_HO_HIP, L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xCC*/ { L1_LO_CHULA,	L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xCD*/ { L1_O_ANG, L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xCE*/ { L1_HO_NOKHUK, L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xCF*/ { IGNORE, IGNORE, L3_PAIYAN_NOI, IGNORE, M},
    /*0xD0*/ { L1_SARA_A, L2_BLANK, L3_BLANK, L4_BLANK, M | _fllwvowel},
    /*0xD1*/ { L1_MAI_HAN_AKAT, L2_BLANK, L3_BLANK, L4_BLANK, U | _uprvowel},
    /*0xD2*/ { L1_SARA_AA, L2_BLANK, L3_BLANK, L4_BLANK, M | _fllwvowel},
    /*0xD3*/ { L1_SARA_AM, L2_BLANK, L3_BLANK, L4_BLANK, M | _fllwvowel},
    /*0xD4*/ { L1_SARA_I, L2_BLANK, L3_BLANK, L4_BLANK, U | _uprvowel},
    /*0xD5*/ { L1_SARA_II, L2_BLANK, L3_BLANK, L4_BLANK, U | _uprvowel},
    /*0xD6*/ { L1_SARA_UE, L2_BLANK, L3_BLANK, L4_BLANK, U | _uprvowel},
    /*0xD7*/ { L1_SARA_UEE, L2_BLANK, L3_BLANK, L4_BLANK, U | _uprvowel},
    /*0xD8*/ { L1_SARA_U, L2_BLANK, L3_BLANK, L4_BLANK, L | _lwrvowel},
    /*0xD9*/ { L1_SARA_UU, L2_BLANK, L3_BLANK, L4_BLANK, L | _lwrvowel},
    /*0xDA*/ { IGNORE, L2_PINTHU, L3_BLANK, L4_BLANK, L  },
    /*0xDB*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0xDC*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0xDD*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0xDE*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0xDF*/ { IGNORE, IGNORE, L3_BAHT, IGNORE, M},
    /*0xE0*/ { L1_SARA_E, L2_BLANK, L3_BLANK, L4_BLANK, M | _ldvowel },
    /*0xE1*/ { L1_SARA_AE, L2_BLANK, L3_BLANK, L4_BLANK, M | _ldvowel },
    /*0xE2*/ { L1_SARA_O, L2_BLANK, L3_BLANK, L4_BLANK, M | _ldvowel  },
    /*0xE3*/ { L1_SARA_AI_MAIMUAN,	L2_BLANK, L3_BLANK, L4_BLANK, M | _ldvowel },
    /*0xE4*/ { L1_SARA_AI_MAIMALAI, L2_BLANK, L3_BLANK, L4_BLANK, M | _ldvowel },
    /*0xE5*/ { L1_SARA_AA, L2_BLANK, L3_BLANK, L4_EXT, M  | _fllwvowel },
    /*0xE6*/ { IGNORE, IGNORE, L3_MAI_YAMOK, IGNORE, M | _stone },
    /*0xE7*/ { IGNORE, L2_TYKHU, L3_BLANK, L4_BLANK, U | _diacrt1 | _stone  },
    /*0xE8*/ { IGNORE, L2_TONE1, L3_BLANK, L4_BLANK, UU | _tone | _combine | _stone  },
    /*0xE9*/ { IGNORE, L2_TONE2, L3_BLANK, L4_BLANK, UU | _tone | _combine | _stone  },
    /*0xEA*/ { IGNORE, L2_TONE3, L3_BLANK, L4_BLANK, UU | _tone | _combine | _stone  },
    /*0xEB*/ { IGNORE, L2_TONE4, L3_BLANK, L4_BLANK, UU | _tone | _combine | _stone },
    /*0xEC*/ { IGNORE, L2_GARAN, L3_BLANK, L4_BLANK, UU | _diacrt2 | _combine | _stone },
    /*0xED*/ { L1_NKHIT, L2_BLANK, L3_BLANK, L4_BLANK, U | _diacrt1  },
    /*0xEE*/ { IGNORE, L2_YAMAK, L3_BLANK, L4_BLANK, U | _diacrt1 },
    /*0xEF*/ { IGNORE, IGNORE, L3_FONGMAN, IGNORE, M  },
    /*0xF0*/ { L1_08, L2_THAII, L3_BLANK, L4_BLANK, M | _tdig },
    /*0xF1*/ { L1_18, L2_THAII, L3_BLANK, L4_BLANK, M | _tdig },
    /*0xF2*/ { L1_28, L2_THAII, L3_BLANK, L4_BLANK, M | _tdig },
    /*0xF3*/ { L1_38, L2_THAII, L3_BLANK, L4_BLANK, M | _tdig },
    /*0xF4*/ { L1_48, L2_THAII, L3_BLANK, L4_BLANK, M | _tdig },
    /*0xF5*/ { L1_58, L2_THAII, L3_BLANK, L4_BLANK, M | _tdig },
    /*0xF6*/ { L1_68, L2_THAII, L3_BLANK, L4_BLANK, M | _tdig },
    /*0xF7*/ { L1_78, L2_THAII, L3_BLANK, L4_BLANK, M | _tdig },
    /*0xF8*/ { L1_88, L2_THAII, L3_BLANK, L4_BLANK, M | _tdig },
    /*0xF9*/ { L1_98, L2_THAII, L3_BLANK, L4_BLANK, M | _tdig },
    /*0xFA*/ { IGNORE, IGNORE, L3_ANGKHANKHU, IGNORE, X },
    /*0xFB*/ { IGNORE, IGNORE, L3_KHOMUT, IGNORE, X },
    /*0xFC*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0xFD*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0xFE*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
/* Utilize 0xFF for max_sort_chr in my_like_range_tis620 */
    /*0xFF*/ { 255 /*IGNORE*/, IGNORE, IGNORE, IGNORE, X },
};

uchar NEAR ctype_tis620[257] =
{
  0,				/* For standard library */
  32,32,32,32,32,32,32,32,32,40,40,40,40,40,32,32,
  32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,
  72,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,
  132,132,132,132,132,132,132,132,132,132,16,16,16,16,16,16,
  16,129,129,129,129,129,129,1,1,1,1,1,1,1,1,1,
  1,1,1,1,1,1,1,1,1,1,1,16,16,16,16,16,
  16,130,130,130,130,130,130,2,2,2,2,2,2,2,2,2,
  2,2,2,2,2,2,2,2,2,2,2,16,16,16,16,32,
  0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
  0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
  0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
  0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
  0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
  0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
  0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
  0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
};

uchar NEAR to_lower_tis620[]=
{
  '\000','\001','\002','\003','\004','\005','\006','\007',
  '\010','\011','\012','\013','\014','\015','\016','\017',
  '\020','\021','\022','\023','\024','\025','\026','\027',
  '\030','\031','\032','\033','\034','\035','\036','\037',
  ' ',	 '!',	'"',   '#',   '$',   '%',   '&',   '\'',
  '(',	 ')',	'*',   '+',   ',',   '-',   '.',   '/',
  '0',	 '1',	'2',   '3',   '4',   '5',   '6',   '7',
  '8',	 '9',	':',   ';',   '<',   '=',   '>',   '?',
  '@',	 'a',	'b',   'c',   'd',   'e',   'f',   'g',
  'h',	 'i',	'j',   'k',   'l',   'm',   'n',   'o',
  'p',	 'q',	'r',   's',   't',   'u',   'v',   'w',
  'x',	 'y',	'z',   '[',   '\\',  ']',   '^',   '_',
  '`',	 'a',	'b',   'c',   'd',   'e',   'f',   'g',
  'h',	 'i',	'j',   'k',   'l',   'm',   'n',   'o',
  'p',	 'q',	'r',   's',   't',   'u',   'v',   'w',
  'x',	 'y',	'z',   '{',   '|',   '}',   '~',   '\177',
  (uchar) '\200',(uchar) '\201',(uchar) '\202',(uchar) '\203',(uchar) '\204',(uchar) '\205',(uchar) '\206',(uchar) '\207',
  (uchar) '\210',(uchar) '\211',(uchar) '\212',(uchar) '\213',(uchar) '\214',(uchar) '\215',(uchar) '\216',(uchar) '\217',
  (uchar) '\220',(uchar) '\221',(uchar) '\222',(uchar) '\223',(uchar) '\224',(uchar) '\225',(uchar) '\226',(uchar) '\227',
  (uchar) '\230',(uchar) '\231',(uchar) '\232',(uchar) '\233',(uchar) '\234',(uchar) '\235',(uchar) '\236',(uchar) '\237',
  (uchar) '\240',(uchar) '\241',(uchar) '\242',(uchar) '\243',(uchar) '\244',(uchar) '\245',(uchar) '\246',(uchar) '\247',
  (uchar) '\250',(uchar) '\251',(uchar) '\252',(uchar) '\253',(uchar) '\254',(uchar) '\255',(uchar) '\256',(uchar) '\257',
  (uchar) '\260',(uchar) '\261',(uchar) '\262',(uchar) '\263',(uchar) '\264',(uchar) '\265',(uchar) '\266',(uchar) '\267',
  (uchar) '\270',(uchar) '\271',(uchar) '\272',(uchar) '\273',(uchar) '\274',(uchar) '\275',(uchar) '\276',(uchar) '\277',
  (uchar) '\300',(uchar) '\301',(uchar) '\302',(uchar) '\303',(uchar) '\304',(uchar) '\305',(uchar) '\306',(uchar) '\307',
  (uchar) '\310',(uchar) '\311',(uchar) '\312',(uchar) '\313',(uchar) '\314',(uchar) '\315',(uchar) '\316',(uchar) '\317',
  (uchar) '\320',(uchar) '\321',(uchar) '\322',(uchar) '\323',(uchar) '\324',(uchar) '\325',(uchar) '\326',(uchar) '\327',
  (uchar) '\330',(uchar) '\331',(uchar) '\332',(uchar) '\333',(uchar) '\334',(uchar) '\335',(uchar) '\336',(uchar) '\337',
  (uchar) '\340',(uchar) '\341',(uchar) '\342',(uchar) '\343',(uchar) '\344',(uchar) '\345',(uchar) '\346',(uchar) '\347',
  (uchar) '\350',(uchar) '\351',(uchar) '\352',(uchar) '\353',(uchar) '\354',(uchar) '\355',(uchar) '\356',(uchar) '\357',
  (uchar) '\360',(uchar) '\361',(uchar) '\362',(uchar) '\363',(uchar) '\364',(uchar) '\365',(uchar) '\366',(uchar) '\367',
  (uchar) '\370',(uchar) '\371',(uchar) '\372',(uchar) '\373',(uchar) '\374',(uchar) '\375',(uchar) '\376',(uchar) '\377',
};

uchar NEAR to_upper_tis620[]=
{
  '\000','\001','\002','\003','\004','\005','\006','\007',
  '\010','\011','\012','\013','\014','\015','\016','\017',
  '\020','\021','\022','\023','\024','\025','\026','\027',
  '\030','\031','\032','\033','\034','\035','\036','\037',
  ' ',	 '!',	'"',   '#',   '$',   '%',   '&',   '\'',
  '(',	 ')',	'*',   '+',   ',',   '-',   '.',   '/',
  '0',	 '1',	'2',   '3',   '4',   '5',   '6',   '7',
  '8',	 '9',	':',   ';',   '<',   '=',   '>',   '?',
  '@',	 'A',	'B',   'C',   'D',   'E',   'F',   'G',
  'H',	 'I',	'J',   'K',   'L',   'M',   'N',   'O',
  'P',	 'Q',	'R',   'S',   'T',   'U',   'V',   'W',
  'X',	 'Y',	'Z',   '[',   '\\',  ']',   '^',   '_',
  '`',	 'A',	'B',   'C',   'D',   'E',   'F',   'G',
  'H',	 'I',	'J',   'K',   'L',   'M',   'N',   'O',
  'P',	 'Q',	'R',   'S',   'T',   'U',   'V',   'W',
  'X',	 'Y',	'Z',   '{',   '|',   '}',   '~',   '\177',
  (uchar) '\200',(uchar) '\201',(uchar) '\202',(uchar) '\203',(uchar) '\204',(uchar) '\205',(uchar) '\206',(uchar) '\207',
  (uchar) '\210',(uchar) '\211',(uchar) '\212',(uchar) '\213',(uchar) '\214',(uchar) '\215',(uchar) '\216',(uchar) '\217',
  (uchar) '\220',(uchar) '\221',(uchar) '\222',(uchar) '\223',(uchar) '\224',(uchar) '\225',(uchar) '\226',(uchar) '\227',
  (uchar) '\230',(uchar) '\231',(uchar) '\232',(uchar) '\233',(uchar) '\234',(uchar) '\235',(uchar) '\236',(uchar) '\237',
  (uchar) '\240',(uchar) '\241',(uchar) '\242',(uchar) '\243',(uchar) '\244',(uchar) '\245',(uchar) '\246',(uchar) '\247',
  (uchar) '\250',(uchar) '\251',(uchar) '\252',(uchar) '\253',(uchar) '\254',(uchar) '\255',(uchar) '\256',(uchar) '\257',
  (uchar) '\260',(uchar) '\261',(uchar) '\262',(uchar) '\263',(uchar) '\264',(uchar) '\265',(uchar) '\266',(uchar) '\267',
  (uchar) '\270',(uchar) '\271',(uchar) '\272',(uchar) '\273',(uchar) '\274',(uchar) '\275',(uchar) '\276',(uchar) '\277',
  (uchar) '\300',(uchar) '\301',(uchar) '\302',(uchar) '\303',(uchar) '\304',(uchar) '\305',(uchar) '\306',(uchar) '\307',
  (uchar) '\310',(uchar) '\311',(uchar) '\312',(uchar) '\313',(uchar) '\314',(uchar) '\315',(uchar) '\316',(uchar) '\317',
  (uchar) '\320',(uchar) '\321',(uchar) '\322',(uchar) '\323',(uchar) '\324',(uchar) '\325',(uchar) '\326',(uchar) '\327',
  (uchar) '\330',(uchar) '\331',(uchar) '\332',(uchar) '\333',(uchar) '\334',(uchar) '\335',(uchar) '\336',(uchar) '\337',
  (uchar) '\340',(uchar) '\341',(uchar) '\342',(uchar) '\343',(uchar) '\344',(uchar) '\345',(uchar) '\346',(uchar) '\347',
  (uchar) '\350',(uchar) '\351',(uchar) '\352',(uchar) '\353',(uchar) '\354',(uchar) '\355',(uchar) '\356',(uchar) '\357',
  (uchar) '\360',(uchar) '\361',(uchar) '\362',(uchar) '\363',(uchar) '\364',(uchar) '\365',(uchar) '\366',(uchar) '\367',
  (uchar) '\370',(uchar) '\371',(uchar) '\372',(uchar) '\373',(uchar) '\374',(uchar) '\375',(uchar) '\376',(uchar) '\377',
};

uchar NEAR sort_order_tis620[]=
{
  '\000','\001','\002','\003','\004','\005','\006','\007',
  '\010','\011','\012','\013','\014','\015','\016','\017',
  '\020','\021','\022','\023','\024','\025','\026','\027',
  '\030','\031','\032','\033','\034','\035','\036','\037',
  ' ',	 '!',	'"',   '#',   '$',   '%',   '&',   '\'',
  '(',	 ')',	'*',   '+',   ',',   '-',   '.',   '/',
  '0',	 '1',	'2',   '3',   '4',   '5',   '6',   '7',
  '8',	 '9',	':',   ';',   '<',   '=',   '>',   '?',
  '@',	 'A',	'B',   'C',   'D',   'E',   'F',   'G',
  'H',	 'I',	'J',   'K',   'L',   'M',   'N',   'O',
  'P',	 'Q',	'R',   'S',   'T',   'U',   'V',   'W',
  'X',	 'Y',	'Z',   '\\',  ']',   '[',   '^',   '_',
  'E',	 'A',	'B',   'C',   'D',   'E',   'F',   'G',
  'H',	 'I',	'J',   'K',   'L',   'M',   'N',   'O',
  'P',	 'Q',	'R',   'S',   'T',   'U',   'V',   'W',
  'X',	 'Y',	'Z',   '{',   '|',   '}',   'Y',   '\177',
  (uchar) '\200',(uchar) '\201',(uchar) '\202',(uchar) '\203',(uchar) '\204',(uchar) '\205',(uchar) '\206',(uchar) '\207',
  (uchar) '\210',(uchar) '\211',(uchar) '\212',(uchar) '\213',(uchar) '\214',(uchar) '\215',(uchar) '\216',(uchar) '\217',
  (uchar) '\220',(uchar) '\221',(uchar) '\222',(uchar) '\223',(uchar) '\224',(uchar) '\225',(uchar) '\226',(uchar) '\227',
  (uchar) '\230',(uchar) '\231',(uchar) '\232',(uchar) '\233',(uchar) '\234',(uchar) '\235',(uchar) '\236',(uchar) '\237',
  (uchar) '\240',(uchar) '\241',(uchar) '\242',(uchar) '\243',(uchar) '\244',(uchar) '\245',(uchar) '\246',(uchar) '\247',
  (uchar) '\250',(uchar) '\251',(uchar) '\252',(uchar) '\253',(uchar) '\254',(uchar) '\255',(uchar) '\256',(uchar) '\257',
  (uchar) '\260',(uchar) '\261',(uchar) '\262',(uchar) '\263',(uchar) '\264',(uchar) '\265',(uchar) '\266',(uchar) '\267',
  (uchar) '\270',(uchar) '\271',(uchar) '\272',(uchar) '\273',(uchar) '\274',(uchar) '\275',(uchar) '\276',(uchar) '\277',
  (uchar) '\300',(uchar) '\301',(uchar) '\302',(uchar) '\303',(uchar) '\304',(uchar) '\305',(uchar) '\306',(uchar) '\307',
  (uchar) '\310',(uchar) '\311',(uchar) '\312',(uchar) '\313',(uchar) '\314',(uchar) '\315',(uchar) '\316',(uchar) '\317',
  (uchar) '\320',(uchar) '\321',(uchar) '\322',(uchar) '\323',(uchar) '\324',(uchar) '\325',(uchar) '\326',(uchar) '\327',
  (uchar) '\330',(uchar) '\331',(uchar) '\332',(uchar) '\333',(uchar) '\334',(uchar) '\335',(uchar) '\336',(uchar) '\337',
  (uchar) '\340',(uchar) '\341',(uchar) '\342',(uchar) '\343',(uchar) '\344',(uchar) '\345',(uchar) '\346',(uchar) '\347',
  (uchar) '\350',(uchar) '\351',(uchar) '\352',(uchar) '\353',(uchar) '\354',(uchar) '\355',(uchar) '\356',(uchar) '\357',
  (uchar) '\360',(uchar) '\361',(uchar) '\362',(uchar) '\363',(uchar) '\364',(uchar) '\365',(uchar) '\366',(uchar) '\367',
  (uchar) '\370',(uchar) '\371',(uchar) '\372',(uchar) '\373',(uchar) '\374',(uchar) '\375',(uchar) '\376',(uchar) '\377',
};

/* Convert thai string to "Standard C String Function" sortable string
   Arg: const source string and length of converted string
   Ret: Sortable string
*/
/*
  NOTE: isn't it faster to alloc buffer in calling function?
 */
static uchar* thai2sortable(const uchar * tstr,int len)
{
/* We use only 3 levels (neglect capitalization). */

  const uchar* p= tstr;
  uchar		*outBuf;
  uchar		*pRight1, *pRight2, *pRight3;
  uchar		*pLeft1, *pLeft2, *pLeft3;
  uint	bufSize;
  uint  RightSize;

  len= (int) strnlen((char*) tstr,len);
  bufSize= (uint) buffsize((char*) tstr);
  RightSize= sizeof(uchar) * (len + 1);
  if (!(outBuf= pLeft1= pRight1=
       (uchar *)malloc(sizeof(uchar) * bufSize + RightSize*2)))
    return (uchar*) tstr;
  pLeft2= pRight2= pRight1 + sizeof(uchar) * bufSize;
  pLeft3= pRight3= pRight2 + RightSize;

  while (--len > 0)
  {
    int *t_ctype0= t_ctype[p[0]];
    if (isldvowel(*p) && isconsnt(p[1]))
    {
      int *t_ctype1= t_ctype[p[1]];
      *pRight1++= t_ctype1[0];
      *pRight2++= t_ctype1[1];
      *pRight3++= t_ctype1[2];
      *pRight1++= t_ctype0[0];
      *pRight2++= t_ctype0[1];
      *pRight3++= t_ctype0[2];
      p+= 2;
      len--;
    }
    else
    {
      *pRight1= t_ctype0[0];
      if(*pRight1 != IGNORE)
	pRight1++;
      *pRight2= t_ctype0[1];
      if (*pRight2 != IGNORE)
	pRight2++;
      *pRight3= t_ctype0[2];
      if(*pRight3 != IGNORE)
	pRight3++;
      p++;
    }
  }
  if (!len)
  {
    int *t_ctype0= t_ctype[p[0]];
    *pRight1= t_ctype0[0];
    if (*pRight1 != IGNORE)
      pRight1++;
    *pRight2= t_ctype0[1];
    if (*pRight2 != IGNORE)
      pRight2++;
    *pRight3= t_ctype0[2];
    if (*pRight3 != IGNORE)
      pRight3++;
  }
  *pRight1++= L2_BLANK;
  *pRight2++= L3_BLANK;
  *pRight3++= '\0';
  memcpy(pRight1, pLeft2, pRight2 - pLeft2);
  pRight1+= pRight2 - pLeft2;
  memcpy(pRight1, pLeft3, pRight3 - pLeft3);
  return outBuf;
}

/* strncoll() replacement, compare 2 string, both are conveted to sortable string
   Arg: 2 Strings and it compare length
   Ret: strcmp result
*/
int my_strnncoll_tis620(CHARSET_INFO *cs __attribute__((unused)),
                        const uchar * s1, uint len1, 
                        const uchar * s2, uint len2)
{
  uchar *tc1, *tc2;
  int i;
  tc1= thai2sortable(s1, len1);
  tc2= thai2sortable(s2, len2);
  i= strcmp((char*)tc1, (char*)tc2);
  free(tc1);
  free(tc2);
  return i;
}

static
int my_strnncollsp_tis620(CHARSET_INFO * cs, 
			const uchar *s, uint slen, 
			const uchar *t, uint tlen)
{
  for ( ; slen && my_isspace(cs, s[slen-1]) ; slen--);
  for ( ; tlen && my_isspace(cs, t[tlen-1]) ; tlen--);
  return my_strnncoll_tis620(cs,s,slen,t,tlen);
}


/* strnxfrm replacment, convert Thai string to sortable string
   Arg: Destination buffer, source string, dest length and source length
   Ret: Conveted string size
*/
int my_strnxfrm_tis620(CHARSET_INFO *cs __attribute__((unused)),
                       uchar * dest, uint len,
                       const uchar * src, uint srclen)
{
  uint bufSize;
  uchar *tmp;
  bufSize= (uint) buffsize((char*)src);
  tmp= thai2sortable(src,srclen);
  set_if_smaller(bufSize,(uint) len);
  memcpy((uchar *)dest, tmp, bufSize);
  free(tmp);
  return (int)bufSize;
}

/* strcoll replacment, compare 2 strings
   Arg: 2 strings
   Ret: strcmp result
*/
int my_strcoll_tis620(const uchar * s1, const uchar * s2)
{
  uchar *tc1, *tc2;
  int i;
  tc1= thai2sortable(s1, (int) strlen((char*)s1));
  tc2= thai2sortable(s2, (int) strlen((char*)s2));
  i= strcmp((char*)tc1, (char*)tc2);
  free(tc1);
  free(tc2);
  return i;
}

/* strxfrm replacment, convert Thai string to sortable string
   Arg: Destination buffer, String and	dest buffer size
   Ret: Converting string size
*/
int my_strxfrm_tis620(uchar * dest, const uchar * src, int len)
{
  uint bufSize;
  uchar *tmp;

  bufSize= (uint)buffsize((char*) src);
  tmp= thai2sortable(src, len);
  memcpy((uchar *)dest, tmp, bufSize);
  free(tmp);
  return bufSize;
}

/* Convert SQL like string to C string
   Arg: String, its length, escape character, resource length, minimal string and maximum string
   Ret: Alway 0
*/

/* We just copy this function from opt_range.cc. No need to convert to
   thai2sortable string. min_str and max_str will be use for comparison and
   converted there. */
#define max_sort_chr ((char) 255)

my_bool my_like_range_tis620(CHARSET_INFO *cs __attribute__((unused)),
                       const char *ptr, uint ptr_length,
                       int escape, int w_one, int w_many,
		       uint res_length, char *min_str, char *max_str,
		       uint *min_length, uint *max_length)
{
  const char *end=ptr+ptr_length;
  char *min_org=min_str;
  char *min_end=min_str+res_length;

  for (; ptr != end && min_str != min_end ; ptr++)
  {
    if (*ptr == escape && ptr+1 != end)
    {
      ptr++;					/* Skipp escape */
      *min_str++ = *max_str++ = *ptr;
      continue;
    }
    if (*ptr == w_one)			/* '_' in SQL */
    {
      *min_str++='\0';				/* This should be min char */
      *max_str++=max_sort_chr;
      continue;
    }
    if (*ptr == w_many)			/* '%' in SQL */
    {
      *min_length= (uint) (min_str - min_org);
      *max_length=res_length;
      do {
	*min_str++ = ' ';			/* Because if key compression */
	*max_str++ = max_sort_chr;
      } while (min_str != min_end);
      return 0;
    }
    *min_str++= *max_str++ = *ptr;
  }
  *min_length= *max_length = (uint) (min_str - min_org);

  while (min_str != min_end)
    *min_str++ = *max_str++ = ' ';		/* Because if key compression */
  return 0;
}

/* Thai normalization for input sub system
   Arg: Buffer, 's length, String, 'length
   Ret: Void
*/
void ThNormalize(uchar* ptr, uint field_length, const uchar* from, uint length)
{
  const uchar* fr= from;
  uchar* p= ptr;

  if (length > field_length)
    length= field_length;

  while (length--)
    if ((istone(*fr) || isdiacrt1(*fr)) &&
       (islwrvowel(fr[1]) || isuprvowel(fr[1])))
    {
      *p= fr[1];
      p[1]= *fr;
      fr+= 2;
      p+= 2;
      length--;
    }
    else
      *p++ = *fr++;
}


static MY_COLLATION_HANDLER my_collation_ci_handler =
{
    my_strnncoll_tis620,
    my_strnncollsp_tis620,
    my_strnxfrm_tis620,
    my_like_range_tis620,
    my_wildcmp_8bit,	/* wildcmp   */
    my_strcasecmp_8bit,
    my_hash_sort_simple,
};

static MY_CHARSET_HANDLER my_charset_handler=
{
    NULL,		/* ismbchar  */
    NULL,		/* mbcharlen */
    my_numchars_8bit,
    my_charpos_8bit,
    my_mb_wc_8bit,	/* mb_wc     */
    my_wc_mb_8bit,	/* wc_mb     */
    my_caseup_str_8bit,
    my_casedn_str_8bit,
    my_caseup_8bit,
    my_casedn_8bit,
    my_snprintf_8bit,
    my_long10_to_str_8bit,
    my_longlong10_to_str_8bit,
    my_fill_8bit,
    my_strntol_8bit,
    my_strntoul_8bit,
    my_strntoll_8bit,
    my_strntoull_8bit,
    my_strntod_8bit,
    my_scan_8bit
};



CHARSET_INFO my_charset_tis620_thai_ci=
{
    18,0,0,		/* number    */
    MY_CS_COMPILED|MY_CS_PRIMARY|MY_CS_STRNXFRM,	/* state     */
    "tis620",		/* cs name    */
    "tis620_thai_ci",	/* name      */
    "",			/* comment   */
    ctype_tis620,
    to_lower_tis620,
    to_upper_tis620,
    sort_order_tis620,
    NULL,		/* tab_to_uni   */
    NULL,		/* tab_from_uni */
    "",
    "",
    4,			/* strxfrm_multiply */
    1,			/* mbmaxlen  */
    0,
    &my_charset_handler,
    &my_collation_ci_handler
};

CHARSET_INFO my_charset_tis620_bin=
{
    89,0,0,		/* number    */
    MY_CS_COMPILED|MY_CS_BINSORT,	/* state     */
    "tis620",		/* cs name    */
    "tis620_bin",	/* name      */
    "",			/* comment   */
    ctype_tis620,
    to_lower_tis620,
    to_upper_tis620,
    sort_order_tis620,
    NULL,		/* tab_to_uni   */
    NULL,		/* tab_from_uni */
    "",
    "",
    1,			/* strxfrm_multiply */
    1,			/* mbmaxlen  */
    0,
    &my_charset_handler,
    &my_collation_bin_handler
};


#endif