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/**********************************************************************
regsyntax.c - Oniguruma (regular expression library)
**********************************************************************/
/*-
* Copyright (c) 2002-2006 K.Kosako <sndgk393 AT ybb DOT ne DOT jp>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
*/

#include "regint.h"

const OnigSyntaxType OnigSyntaxASIS = {
    0
  , ONIG_SYN_OP2_INEFFECTIVE_ESCAPE
  , 0
  , ONIG_OPTION_NONE
  ,
  {
      (OnigCodePoint )'\\' /* esc */
    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anychar '.' */
    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anytime '*' */
    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* zero or one time '?' */
    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* one or more time '+' */
    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anychar anytime */
  }
};

const OnigSyntaxType OnigSyntaxPosixBasic = {
  ( SYN_POSIX_COMMON_OP | ONIG_SYN_OP_ESC_LPAREN_SUBEXP |
    ONIG_SYN_OP_ESC_BRACE_INTERVAL )
  , 0
  , 0
  , ( ONIG_OPTION_SINGLELINE | ONIG_OPTION_MULTILINE )
  ,
  {
      (OnigCodePoint )'\\' /* esc */
    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anychar '.' */
    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anytime '*' */
    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* zero or one time '?' */
    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* one or more time '+' */
    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anychar anytime */
  }
};

const OnigSyntaxType OnigSyntaxPosixExtended = {
  ( SYN_POSIX_COMMON_OP | ONIG_SYN_OP_LPAREN_SUBEXP |
    ONIG_SYN_OP_BRACE_INTERVAL |
    ONIG_SYN_OP_PLUS_ONE_INF | ONIG_SYN_OP_QMARK_ZERO_ONE | ONIG_SYN_OP_VBAR_ALT )
  , 0
  , ( ONIG_SYN_CONTEXT_INDEP_ANCHORS |
      ONIG_SYN_CONTEXT_INDEP_REPEAT_OPS | ONIG_SYN_CONTEXT_INVALID_REPEAT_OPS |
      ONIG_SYN_ALLOW_UNMATCHED_CLOSE_SUBEXP |
      ONIG_SYN_ALLOW_DOUBLE_RANGE_OP_IN_CC )
  , ( ONIG_OPTION_SINGLELINE | ONIG_OPTION_MULTILINE )
  ,
  {
      (OnigCodePoint )'\\' /* esc */
    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anychar '.' */
    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anytime '*' */
    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* zero or one time '?' */
    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* one or more time '+' */
    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anychar anytime */
  }
};

const OnigSyntaxType OnigSyntaxEmacs = {
  ( ONIG_SYN_OP_DOT_ANYCHAR | ONIG_SYN_OP_BRACKET_CC |
    ONIG_SYN_OP_ESC_BRACE_INTERVAL |
    ONIG_SYN_OP_ESC_LPAREN_SUBEXP | ONIG_SYN_OP_ESC_VBAR_ALT |
    ONIG_SYN_OP_ASTERISK_ZERO_INF | ONIG_SYN_OP_PLUS_ONE_INF |
    ONIG_SYN_OP_QMARK_ZERO_ONE | ONIG_SYN_OP_DECIMAL_BACKREF |
    ONIG_SYN_OP_LINE_ANCHOR | ONIG_SYN_OP_ESC_CONTROL_CHARS )
  , ONIG_SYN_OP2_ESC_GNU_BUF_ANCHOR
  , ONIG_SYN_ALLOW_EMPTY_RANGE_IN_CC
  , ONIG_OPTION_NONE
  ,
  {
      (OnigCodePoint )'\\' /* esc */
    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anychar '.' */
    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anytime '*' */
    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* zero or one time '?' */
    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* one or more time '+' */
    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anychar anytime */
  }
};

const OnigSyntaxType OnigSyntaxGrep = {
  ( ONIG_SYN_OP_DOT_ANYCHAR | ONIG_SYN_OP_BRACKET_CC | ONIG_SYN_OP_POSIX_BRACKET |
    ONIG_SYN_OP_ESC_BRACE_INTERVAL | ONIG_SYN_OP_ESC_LPAREN_SUBEXP |
    ONIG_SYN_OP_ESC_VBAR_ALT |
    ONIG_SYN_OP_ASTERISK_ZERO_INF | ONIG_SYN_OP_ESC_PLUS_ONE_INF |
    ONIG_SYN_OP_ESC_QMARK_ZERO_ONE | ONIG_SYN_OP_LINE_ANCHOR |
    ONIG_SYN_OP_ESC_W_WORD | ONIG_SYN_OP_ESC_B_WORD_BOUND |
    ONIG_SYN_OP_ESC_LTGT_WORD_BEGIN_END | ONIG_SYN_OP_DECIMAL_BACKREF )
  , 0
  , ( ONIG_SYN_ALLOW_EMPTY_RANGE_IN_CC | ONIG_SYN_NOT_NEWLINE_IN_NEGATIVE_CC )
  , ONIG_OPTION_NONE
  ,
  {
      (OnigCodePoint )'\\' /* esc */
    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anychar '.' */
    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anytime '*' */
    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* zero or one time '?' */
    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* one or more time '+' */
    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anychar anytime */
  }
};

const OnigSyntaxType OnigSyntaxGnuRegex = {
  SYN_GNU_REGEX_OP
  , 0
  , SYN_GNU_REGEX_BV
  , ONIG_OPTION_NONE
  ,
  {
      (OnigCodePoint )'\\' /* esc */
    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anychar '.' */
    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anytime '*' */
    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* zero or one time '?' */
    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* one or more time '+' */
    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anychar anytime */
  }
};

const OnigSyntaxType OnigSyntaxJava = {
  (( SYN_GNU_REGEX_OP | ONIG_SYN_OP_QMARK_NON_GREEDY |
     ONIG_SYN_OP_ESC_CONTROL_CHARS | ONIG_SYN_OP_ESC_C_CONTROL |
     ONIG_SYN_OP_ESC_OCTAL3 | ONIG_SYN_OP_ESC_X_HEX2 )
   & ~ONIG_SYN_OP_ESC_LTGT_WORD_BEGIN_END )
  , ( ONIG_SYN_OP2_ESC_CAPITAL_Q_QUOTE | ONIG_SYN_OP2_QMARK_GROUP_EFFECT |
      ONIG_SYN_OP2_OPTION_PERL | ONIG_SYN_OP2_PLUS_POSSESSIVE_REPEAT |
      ONIG_SYN_OP2_PLUS_POSSESSIVE_INTERVAL | ONIG_SYN_OP2_CCLASS_SET_OP |
      ONIG_SYN_OP2_ESC_V_VTAB | ONIG_SYN_OP2_ESC_U_HEX4 |
      ONIG_SYN_OP2_ESC_P_BRACE_CHAR_PROPERTY )
  , ( SYN_GNU_REGEX_BV | ONIG_SYN_DIFFERENT_LEN_ALT_LOOK_BEHIND )
  , ONIG_OPTION_SINGLELINE
  ,
  {
      (OnigCodePoint )'\\' /* esc */
    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anychar '.' */
    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anytime '*' */
    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* zero or one time '?' */
    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* one or more time '+' */
    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anychar anytime */
  }
};

const OnigSyntaxType OnigSyntaxPerl = {
  (( SYN_GNU_REGEX_OP | ONIG_SYN_OP_QMARK_NON_GREEDY |
     ONIG_SYN_OP_ESC_OCTAL3 | ONIG_SYN_OP_ESC_X_HEX2 |
     ONIG_SYN_OP_ESC_X_BRACE_HEX8 | ONIG_SYN_OP_ESC_CONTROL_CHARS |
     ONIG_SYN_OP_ESC_C_CONTROL )
   & ~ONIG_SYN_OP_ESC_LTGT_WORD_BEGIN_END )
  , ( ONIG_SYN_OP2_ESC_CAPITAL_Q_QUOTE |
      ONIG_SYN_OP2_QMARK_GROUP_EFFECT | ONIG_SYN_OP2_OPTION_PERL |
      ONIG_SYN_OP2_ESC_P_BRACE_CHAR_PROPERTY |
      ONIG_SYN_OP2_ESC_P_BRACE_CIRCUMFLEX_NOT )
  , SYN_GNU_REGEX_BV
  , ONIG_OPTION_SINGLELINE
  ,
  {
      (OnigCodePoint )'\\' /* esc */
    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anychar '.' */
    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anytime '*' */
    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* zero or one time '?' */
    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* one or more time '+' */
    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anychar anytime */
  }
};

/* Perl + named group */
const OnigSyntaxType OnigSyntaxPerl_NG = {
  (( SYN_GNU_REGEX_OP | ONIG_SYN_OP_QMARK_NON_GREEDY |
     ONIG_SYN_OP_ESC_OCTAL3 | ONIG_SYN_OP_ESC_X_HEX2 |
     ONIG_SYN_OP_ESC_X_BRACE_HEX8 | ONIG_SYN_OP_ESC_CONTROL_CHARS |
     ONIG_SYN_OP_ESC_C_CONTROL )
   & ~ONIG_SYN_OP_ESC_LTGT_WORD_BEGIN_END )
  , ( ONIG_SYN_OP2_ESC_CAPITAL_Q_QUOTE |
      ONIG_SYN_OP2_QMARK_GROUP_EFFECT | ONIG_SYN_OP2_OPTION_PERL |
      ONIG_SYN_OP2_ESC_P_BRACE_CHAR_PROPERTY |
      ONIG_SYN_OP2_ESC_P_BRACE_CIRCUMFLEX_NOT |
      ONIG_SYN_OP2_QMARK_LT_NAMED_GROUP |
      ONIG_SYN_OP2_ESC_K_NAMED_BACKREF |
      ONIG_SYN_OP2_ESC_G_SUBEXP_CALL )
  , ( SYN_GNU_REGEX_BV |
      ONIG_SYN_CAPTURE_ONLY_NAMED_GROUP |
      ONIG_SYN_ALLOW_MULTIPLEX_DEFINITION_NAME )
  , ONIG_OPTION_SINGLELINE
  ,
  {
      (OnigCodePoint )'\\' /* esc */
    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anychar '.' */
    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anytime '*' */
    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* zero or one time '?' */
    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* one or more time '+' */
    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anychar anytime */
  }
};



extern int
onig_set_default_syntax(const OnigSyntaxType* syntax)
{
  if (IS_NULL(syntax))
    syntax = ONIG_SYNTAX_RUBY;

  OnigDefaultSyntax = syntax;
  return 0;
}

extern void
onig_copy_syntax(OnigSyntaxType* to, const OnigSyntaxType* from)
{
  *to = *from;
}

extern void
onig_set_syntax_op(OnigSyntaxType* syntax, unsigned int op)
{
  syntax->op = op;
}

extern void
onig_set_syntax_op2(OnigSyntaxType* syntax, unsigned int op2)
{
  syntax->op2 = op2;
}

extern void
onig_set_syntax_behavior(OnigSyntaxType* syntax, unsigned int behavior)
{
  syntax->behavior = behavior;
}

extern void
onig_set_syntax_options(OnigSyntaxType* syntax, OnigOptionType options)
{
  syntax->options = options;
}

extern unsigned int
onig_get_syntax_op(OnigSyntaxType* syntax)
{
  return syntax->op;
}

extern unsigned int
onig_get_syntax_op2(OnigSyntaxType* syntax)
{
  return syntax->op2;
}

extern unsigned int
onig_get_syntax_behavior(OnigSyntaxType* syntax)
{
  return syntax->behavior;
}

extern OnigOptionType
onig_get_syntax_options(OnigSyntaxType* syntax)
{
  return syntax->options;
}

#ifdef USE_VARIABLE_META_CHARS
extern int onig_set_meta_char(OnigSyntaxType* enc,
                              unsigned int what, OnigCodePoint code)
{
  switch (what) {
  case ONIG_META_CHAR_ESCAPE:
    enc->meta_char_table.esc = code;
    break;
  case ONIG_META_CHAR_ANYCHAR:
    enc->meta_char_table.anychar = code;
    break;
  case ONIG_META_CHAR_ANYTIME:
    enc->meta_char_table.anytime = code;
    break;
  case ONIG_META_CHAR_ZERO_OR_ONE_TIME:
    enc->meta_char_table.zero_or_one_time = code;
    break;
  case ONIG_META_CHAR_ONE_OR_MORE_TIME:
    enc->meta_char_table.one_or_more_time = code;
    break;
  case ONIG_META_CHAR_ANYCHAR_ANYTIME:
    enc->meta_char_table.anychar_anytime = code;
    break;
  default:
    return ONIGERR_INVALID_ARGUMENT;
    break;
  }
  return 0;
}
#endif /* USE_VARIABLE_META_CHARS */
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