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) 2003  by Sathit Jittanupat <jsat66@hotmail.com,jsat66@yahoo.com>
	* solving bug crash with long text field string
	* sorting with different number of space or sign char. within string

   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"

#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
*/

static void _thai2sortable(uchar *tstr)
{
  uchar	*p;
  int	len, tlen;
  uchar	l2bias;

  tlen= len=	strlen((char*) tstr);
  l2bias= 	256 - 8;
  for (p= tstr; tlen > 0; p++, tlen--)
  {
    uchar c= *p;

    if (isthai(c))
    {
      int *t_ctype0= t_ctype[c];
		    
      if (isconsnt(c))
	l2bias	-= 8;
      if (isldvowel(c) && isconsnt(p[1]))
      {
	/* simply swap between leading-vowel and consonant */
	*p= p[1];
	p[1]= c;
	tlen--;
	p++; 
	continue;
      }

      /* if found level 2 char (L2_GARAN,L2_TONE*,L2_TYKHU) move to last */
      if (t_ctype0[1] >= L2_GARAN)
      {
	/*
	  l2bias use to control position weight of l2char
	  example (*=l2char) XX*X must come before X*XX
	*/
	strmov((char*) p, (char*) p+1);
	tstr[len-1]= l2bias + t_ctype0[1]- L2_GARAN +1;
	p--;
	continue;
      }
    }
    else
    {
      l2bias-= 8;
      *p= to_lower_tis620[c]; 
    }
  }
}


/*
  strncoll() replacement, compare 2 string, both are converted to sortable
  string

 Arg: 2 Strings and it compare length
 Ret: strcmp result
*/

int my_strnncoll_tis620(const uchar * s1, int len1, const uchar * s2, int len2)
{
  uchar	buf[80] ;
  uchar *tc1, *tc2;
  int i;

  len1= (int) strnlen((char*) s1,len1);
  len2= (int) strnlen((char*) s2,len2);
  tc1= buf;
  if ((len1 + len2 +2) > (int) sizeof(buf))
    tc1= (uchar*) malloc(len1+len2);
  tc2= tc1 + len1+1;
  memcpy((char*) tc1, (char*) s1, len1);
  tc1[len1]= 0;		/* if length(s1)> len1, need to put 'end of string' */
  memcpy((char *)tc2, (char *)s2, len2);
  tc2[len2]= 0;		/* put end of string */
  _thai2sortable(tc1);
  _thai2sortable(tc2);
  i= strcmp((char*)tc1, (char*)tc2);
  if (tc1 != buf)
    free(tc1);
  return i;
}


/*
  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(uchar * dest, const uchar * src, int len, int srclen)
{
  if (len > srclen)
    len= srclen ;
  strnmov((char*) dest, (char*) src, len) ;
  dest[len]= 0;		/* if length(src) > len, need to put 'end of string' */
  _thai2sortable(dest);
  return strlen((char*) dest); 
}


/*
  strcoll replacment, compare 2 strings
  Arg: 2 strings
  Ret: strcmp result
*/

int my_strcoll_tis620(const uchar * s1, const uchar * s2)
{
  return my_strnncoll_tis620(s1, strlen((char *)s1),s2,strlen((char *)s2));
}


/*
  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)
{
  return my_strnxfrm_tis620(dest,src,len,strlen((char *)src));
}


/*
  Convert SQL LIKE string to C string

  Arg: String, its length, escape character, resource length,
       minimal string and maximum string
  Ret: Always 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)
#define wild_one '_'
#define wild_many '%'

my_bool my_like_range_tis620(const char *ptr, uint ptr_length, pchar escape,
			     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 == wild_one)			/* '_' in SQL */
    {
      *min_str++='\0';				/* This should be min char */
      *max_str++=max_sort_chr;
      continue;
    }
    if (*ptr == wild_many)			/* '%' in SQL */
    {
      *min_length= (uint) (min_str - min_org);
      *max_length=res_length;
      do {
	*min_str++ = ' ';		/* Because of 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 of key compression */
  return 0;
}


/*
  Thai normalization for input sub system

  Arg: Buffer, 's length, String, 'length
*/

void ThNormalize(uchar* ptr, uint field_length, const uchar* from, uint length)
{
  const uchar *fr= from;
  uchar *p= ptr;
  uint	i; 

  if (length > field_length)
    length= field_length;

  for (i=0;i<length;i++,p++,fr++)
  {
    *p= *fr ;
	
    /* Sathit's NOTE: it's better idea not to do any normalize */
    if (istone(*fr) || isdiacrt1(*fr))
    {
      if (i > 0 && (islwrvowel(fr[-1]) || isuprvowel(fr[-1])))
	continue;
      if(islwrvowel(fr[1]) || isuprvowel(fr[1]))
      {
	*p= fr[1];
	p[1]= *fr;
	fr++;
	p++;
	i++;
      }
    }
  }
}