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src/regsyntax.c
373 строки
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K.Kosako
add Unicode property notation \pL etc..
10 фев 2025, 17:06
10 фев 2025, 17:06
005482a
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/********************************************************************** regsyntax.c - Oniguruma (regular expression library) **********************************************************************/ /*- * Copyright (c) 2002-2025 K.Kosako * 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" 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 */ } }; OnigSyntaxType OnigSyntaxPosixBasic = { ( SYN_POSIX_COMMON_OP | ONIG_SYN_OP_ESC_LPAREN_SUBEXP | ONIG_SYN_OP_ESC_BRACE_INTERVAL ) , 0 , ( ONIG_SYN_BRE_ANCHOR_AT_EDGE_OF_SUBEXP ) , ( 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 */ } }; 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 */ } }; 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_OP2_QMARK_GROUP_EFFECT ) , 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 */ } }; 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_SYN_BRE_ANCHOR_AT_EDGE_OF_SUBEXP ) , 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 */ } }; 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 */ } }; 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_OP_POSIX_BRACKET) ) , ( 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_ISOLATED_OPTION_CONTINUE_BRANCH | ONIG_SYN_DIFFERENT_LEN_ALT_LOOK_BEHIND | ONIG_SYN_VARIABLE_LEN_LOOK_BEHIND | ONIG_SYN_ALLOW_CHAR_TYPE_FOLLOWED_BY_MINUS_IN_CC ) , 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 */ } }; 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_O_BRACE_OCTAL | 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_PLUS_POSSESSIVE_REPEAT | ONIG_SYN_OP2_PLUS_POSSESSIVE_INTERVAL | ONIG_SYN_OP2_QMARK_LPAREN_IF_ELSE | ONIG_SYN_OP2_QMARK_TILDE_ABSENT_GROUP | ONIG_SYN_OP2_QMARK_BRACE_CALLOUT_CONTENTS | ONIG_SYN_OP2_ASTERISK_CALLOUT_NAME | ONIG_SYN_OP2_ESC_X_Y_TEXT_SEGMENT | ONIG_SYN_OP2_ESC_P_BRACE_CHAR_PROPERTY | ONIG_SYN_OP2_ESC_P_BRACE_CIRCUMFLEX_NOT | ONIG_SYN_OP2_ESC_CAPITAL_K_KEEP | ONIG_SYN_OP2_ESC_CAPITAL_R_GENERAL_NEWLINE | ONIG_SYN_OP2_ESC_CAPITAL_N_O_SUPER_DOT ) , (SYN_GNU_REGEX_BV | ONIG_SYN_ISOLATED_OPTION_CONTINUE_BRANCH | ONIG_SYN_ALLOW_CHAR_TYPE_FOLLOWED_BY_MINUS_IN_CC | ONIG_SYN_ESC_P_WITH_ONE_CHAR_PROP ) , 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 */ 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_O_BRACE_OCTAL | 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_PLUS_POSSESSIVE_REPEAT | ONIG_SYN_OP2_PLUS_POSSESSIVE_INTERVAL | ONIG_SYN_OP2_QMARK_LPAREN_IF_ELSE | ONIG_SYN_OP2_QMARK_TILDE_ABSENT_GROUP | ONIG_SYN_OP2_QMARK_BRACE_CALLOUT_CONTENTS | ONIG_SYN_OP2_ASTERISK_CALLOUT_NAME | ONIG_SYN_OP2_ESC_X_Y_TEXT_SEGMENT | 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 | ONIG_SYN_OP2_ESC_CAPITAL_K_KEEP | ONIG_SYN_OP2_ESC_CAPITAL_R_GENERAL_NEWLINE | ONIG_SYN_OP2_ESC_CAPITAL_N_O_SUPER_DOT | ONIG_SYN_OP2_QMARK_PERL_SUBEXP_CALL ) , ( SYN_GNU_REGEX_BV | ONIG_SYN_ISOLATED_OPTION_CONTINUE_BRANCH | ONIG_SYN_CAPTURE_ONLY_NAMED_GROUP | ONIG_SYN_ALLOW_MULTIPLEX_DEFINITION_NAME | ONIG_SYN_ALLOW_CHAR_TYPE_FOLLOWED_BY_MINUS_IN_CC | ONIG_SYN_ESC_P_WITH_ONE_CHAR_PROP ) , 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 */ } }; /* Python 3.9 */ OnigSyntaxType OnigSyntaxPython = { (( 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_CONTROL_CHARS | ONIG_SYN_OP_ESC_C_CONTROL ) & ~(ONIG_SYN_OP_ESC_LTGT_WORD_BEGIN_END | ONIG_SYN_OP_POSIX_BRACKET) ) , ( ONIG_SYN_OP2_QMARK_GROUP_EFFECT | ONIG_SYN_OP2_OPTION_PERL | ONIG_SYN_OP2_QMARK_LPAREN_IF_ELSE | ONIG_SYN_OP2_ASTERISK_CALLOUT_NAME | ONIG_SYN_OP2_ESC_P_BRACE_CHAR_PROPERTY | ONIG_SYN_OP2_ESC_P_BRACE_CIRCUMFLEX_NOT | ONIG_SYN_OP2_QMARK_CAPITAL_P_NAME | ONIG_SYN_OP2_ESC_CAPITAL_K_KEEP | ONIG_SYN_OP2_ESC_V_VTAB | ONIG_SYN_OP2_ESC_U_HEX4 ) , ( SYN_GNU_REGEX_BV | ONIG_SYN_ISOLATED_OPTION_CONTINUE_BRANCH | ONIG_SYN_ALLOW_INTERVAL_LOW_ABBREV | ONIG_SYN_PYTHON ) , 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(OnigSyntaxType* syntax) { if (IS_NULL(syntax)) syntax = ONIG_SYNTAX_ONIGURUMA; OnigDefaultSyntax = syntax; return 0; } extern void onig_copy_syntax(OnigSyntaxType* to, 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 */