/*************************************************

*      Perl-Compatible Regular Expressions       *

*************************************************/

/* PCRE is a library of functions to support regular expressions whose syntax

and semantics are as close as possible to those of the Perl 5 language.

                       Written by Philip Hazel

           Copyright (c) 1997-2006 University of Cambridge

-----------------------------------------------------------------------------

Redistribution and use in source and binary forms, with or without

modification, are permitted provided that the following conditions are met:

    * Redistributions of source code must retain the above copyright notice,

      this list of conditions and the following disclaimer.

    * Redistributions in binary form must reproduce the above copyright

      notice, this list of conditions and the following disclaimer in the

      documentation and/or other materials provided with the distribution.

    * Neither the name of the University of Cambridge nor the names of its

      contributors may be used to endorse or promote products derived from

      this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"

AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE

LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR

CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF

SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS

INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN

CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)

ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE

POSSIBILITY OF SUCH DAMAGE.

-----------------------------------------------------------------------------

*/

/* This file has been modified to use glib instead of the internal table

 * in ucptable.c -- Marco Barisione */

/* This module contains code for searching the table of Unicode character

properties. */

#include "pcre_internal.h"

#include "ucp.h"               /* Category definitions */

#include "ucpinternal.h"       /* Internal table details */

/* Table to translate from particular type value to the general value. */

static int ucp_gentype[] = {

  ucp_C, ucp_C, ucp_C, ucp_C, ucp_C,  /* Cc, Cf, Cn, Co, Cs */

  ucp_L, ucp_L, ucp_L, ucp_L, ucp_L,  /* Ll, Lu, Lm, Lo, Lt */

  ucp_M, ucp_M, ucp_M,                /* Mc, Me, Mn */

  ucp_N, ucp_N, ucp_N,                /* Nd, Nl, No */

  ucp_P, ucp_P, ucp_P, ucp_P, ucp_P,  /* Pc, Pd, Pe, Pf, Pi */

  ucp_P, ucp_P,                       /* Ps, Po */

  ucp_S, ucp_S, ucp_S, ucp_S,         /* Sc, Sk, Sm, So */

  ucp_Z, ucp_Z, ucp_Z                 /* Zl, Zp, Zs */

};

/*************************************************

*         Search table and return type           *

*************************************************/

/* Three values are returned: the category is ucp_C, ucp_L, etc. The detailed

character type is ucp_Lu, ucp_Nd, etc. The script is ucp_Latin, etc.

Arguments:

  c           the character value

  type_ptr    the detailed character type is returned here

  script_ptr  the script is returned here

Returns:      the character type category

*/

int

_pcre_ucp_findprop(const unsigned int c, int *type_ptr, int *script_ptr)

{

/* Note that the Unicode types have the same values in glib and in

 * PCRE, so ucp_Ll == G_UNICODE_LOWERCASE_LETTER,

 * ucp_Zs == G_UNICODE_SPACE_SEPARATOR, and so on. */

*type_ptr = g_unichar_type(c);

*script_ptr = g_unichar_get_script(c);

return ucp_gentype[*type_ptr];

}

/*************************************************

*       Search table and return other case       *

*************************************************/

/* If the given character is a letter, and there is another case for the

letter, return the other case. Otherwise, return -1.

Arguments:

  c           the character value

Returns:      the other case or NOTACHAR if none

*/

unsigned int

_pcre_ucp_othercase(const unsigned int c)

{

int other_case = NOTACHAR;

if (g_unichar_islower(c))

  other_case = g_unichar_toupper(c);

else if (g_unichar_isupper(c))

  other_case = g_unichar_tolower(c);

if (other_case == c)

  other_case = NOTACHAR;

return other_case;

}

/* End of pcre_ucp_searchfuncs.c */