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php-src/ext/mbstring/oniguruma/oniguruma.h

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/**********************************************************************
oniguruma.h - Oniguruma (regular expression library)
Copyright (C) 2002-2003 K.Kosako (kosako@sofnec.co.jp)
**********************************************************************/
#ifndef ONIGURUMA_H
#define ONIGURUMA_H
#include "php_compat.h"
#define ONIGURUMA
#define ONIGURUMA_VERSION_MAJOR 1
#define ONIGURUMA_VERSION_MINOR 9
#define ONIGURUMA_VERSION_TEENY 1
/* config parameters */
#ifndef RE_NREGS
#define RE_NREGS 10
#endif
#define REG_NREGION RE_NREGS
#define REG_MAX_BACKREF_NUM 1000
#define REG_MAX_REPEAT_NUM 100000
#define REG_MAX_MULTI_BYTE_RANGES_NUM 1000
/* constants */
#define REG_MAX_ERROR_MESSAGE_LEN 90
#ifndef P_
#ifdef __STDC__
# define P_(args) args
#else
# define P_(args) ()
#endif
#endif
#ifndef PV_
#ifdef HAVE_STDARG_PROTOTYPES
# define PV_(args) args
#else
# define PV_(args) ()
#endif
#endif
#ifndef REG_EXTERN
#if defined(_WIN32) && !defined(__CYGWIN__)
#if defined(EXPORT) || defined(RUBY_EXPORT)
#define REG_EXTERN extern __declspec(dllexport)
#elif defined(IMPORT)
#define REG_EXTERN extern __declspec(dllimport)
#endif
#endif
#endif
#ifndef REG_EXTERN
#define REG_EXTERN extern
#endif
#define REG_CHAR_TABLE_SIZE 256
#define REGCODE_UNDEF ((RegCharEncoding )0)
#if defined(RUBY_PLATFORM) && defined(M17N_H)
#define REG_RUBY_M17N
typedef m17n_encoding* RegCharEncoding;
#define REGCODE_DEFAULT REGCODE_UNDEF
#else
typedef const char* RegCharEncoding;
#define MBCTYPE_ASCII 0
#define MBCTYPE_EUC 1
#define MBCTYPE_SJIS 2
#define MBCTYPE_UTF8 3
#define REGCODE_ASCII REG_MBLEN_TABLE[MBCTYPE_ASCII]
#define REGCODE_UTF8 REG_MBLEN_TABLE[MBCTYPE_UTF8]
#define REGCODE_EUCJP REG_MBLEN_TABLE[MBCTYPE_EUC]
#define REGCODE_SJIS REG_MBLEN_TABLE[MBCTYPE_SJIS]
#define REGCODE_DEFAULT REGCODE_ASCII
REG_EXTERN const char REG_MBLEN_TABLE[][REG_CHAR_TABLE_SIZE];
#endif /* else RUBY && M17N */
REG_EXTERN RegCharEncoding RegDefaultCharEncoding;
#if defined(RUBY_PLATFORM) && !defined(M17N_H)
#undef ismbchar
#define ismbchar(c) (mbclen((c)) != 1)
#define mbclen(c) RegDefaultCharEncoding[(unsigned char )(c)]
#endif
typedef unsigned int RegOptionType;
typedef unsigned char* RegTransTableType;
typedef unsigned int RegDistance;
typedef unsigned char UChar;
#define REG_OPTION_DEFAULT REG_OPTION_NONE
/* GNU regex options */
#define RE_OPTION_IGNORECASE (1L)
#define RE_OPTION_EXTENDED (RE_OPTION_IGNORECASE << 1)
#define RE_OPTION_MULTILINE (RE_OPTION_EXTENDED << 1)
#define RE_OPTION_SINGLELINE (RE_OPTION_MULTILINE << 1)
#define RE_OPTION_POSIXLINE (RE_OPTION_MULTILINE|RE_OPTION_SINGLELINE)
#define RE_OPTION_LONGEST (RE_OPTION_SINGLELINE << 1)
/* options */
#define REG_OPTION_NONE 0
#define REG_OPTION_SINGLELINE RE_OPTION_SINGLELINE
#define REG_OPTION_MULTILINE RE_OPTION_MULTILINE
#define REG_OPTION_IGNORECASE RE_OPTION_IGNORECASE
#define REG_OPTION_EXTEND RE_OPTION_EXTENDED
#define REG_OPTION_FIND_LONGEST RE_OPTION_LONGEST
#define REG_OPTION_FIND_NOT_EMPTY (REG_OPTION_FIND_LONGEST << 1)
#define REG_OPTION_NEGATE_SINGLELINE (REG_OPTION_FIND_NOT_EMPTY << 1)
#define REG_OPTION_CAPTURE_ONLY_NAMED_GROUP (REG_OPTION_NEGATE_SINGLELINE << 1)
/* options (search time) */
#define REG_OPTION_NOTBOL (REG_OPTION_CAPTURE_ONLY_NAMED_GROUP << 1)
#define REG_OPTION_NOTEOL (REG_OPTION_NOTBOL << 1)
#define REG_OPTION_POSIX_REGION (REG_OPTION_NOTEOL << 1)
#define REG_OPTION_ON(options,regopt) ((options) |= (regopt))
#define REG_OPTION_OFF(options,regopt) ((options) &= ~(regopt))
#define IS_REG_OPTION_ON(options,option) ((options) & (option))
/* syntax */
typedef struct {
unsigned int op;
unsigned int op2;
unsigned int behavior;
RegOptionType options; /* default option */
} RegSyntaxType;
REG_EXTERN RegSyntaxType RegSyntaxPosixBasic;
REG_EXTERN RegSyntaxType RegSyntaxPosixExtended;
REG_EXTERN RegSyntaxType RegSyntaxEmacs;
REG_EXTERN RegSyntaxType RegSyntaxGrep;
REG_EXTERN RegSyntaxType RegSyntaxGnuRegex;
REG_EXTERN RegSyntaxType RegSyntaxJava;
REG_EXTERN RegSyntaxType RegSyntaxPerl;
REG_EXTERN RegSyntaxType RegSyntaxRuby;
/* predefined syntaxes (see regcomp.c) */
#define REG_SYNTAX_POSIX_BASIC (&RegSyntaxPosixBasic)
#define REG_SYNTAX_POSIX_EXTENDED (&RegSyntaxPosixExtended)
#define REG_SYNTAX_EMACS (&RegSyntaxEmacs)
#define REG_SYNTAX_GREP (&RegSyntaxGrep)
#define REG_SYNTAX_GNU_REGEX (&RegSyntaxGnuRegex)
#define REG_SYNTAX_JAVA (&RegSyntaxJava)
#define REG_SYNTAX_PERL (&RegSyntaxPerl)
#define REG_SYNTAX_RUBY (&RegSyntaxRuby)
/* default syntax */
#define REG_SYNTAX_DEFAULT RegDefaultSyntax
REG_EXTERN RegSyntaxType* RegDefaultSyntax;
/* syntax (operators) */
#define REG_SYN_OP_ANYCHAR 1 /* . */
#define REG_SYN_OP_0INF (1<<1) /* * */
#define REG_SYN_OP_ESC_0INF (1<<2)
#define REG_SYN_OP_1INF (1<<3) /* + */
#define REG_SYN_OP_ESC_1INF (1<<4)
#define REG_SYN_OP_01 (1<<5) /* ? */
#define REG_SYN_OP_ESC_01 (1<<6)
#define REG_SYN_OP_INTERVAL (1<<7) /* {lower,upper} */
#define REG_SYN_OP_ESC_INTERVAL (1<<8)
#define REG_SYN_OP_ALT (1<<9) /* | */
#define REG_SYN_OP_ESC_ALT (1<<10)
#define REG_SYN_OP_SUBEXP (1<<11) /* (...) */
#define REG_SYN_OP_ESC_SUBEXP (1<<12)
#define REG_SYN_OP_ESC_BUF_ANCHOR (1<<13) /* \A, \Z, \z */
#define REG_SYN_OP_ESC_GNU_BUF_ANCHOR (1<<14) /* \`, \' */
#define REG_SYN_OP_BACK_REF (1<<15) /* \num */
#define REG_SYN_OP_CC (1<<16) /* [...] */
#define REG_SYN_OP_ESC_WORD (1<<17) /* \w, \W */
#define REG_SYN_OP_ESC_WORD_BEGIN_END (1<<18) /* \<. \> */
#define REG_SYN_OP_ESC_WORD_BOUND (1<<19) /* \b, \B */
#define REG_SYN_OP_ESC_WHITE_SPACE (1<<20) /* \s, \S */
#define REG_SYN_OP_ESC_DIGIT (1<<21) /* \d, \D */
#define REG_SYN_OP_LINE_ANCHOR (1<<22) /* ^, $ */
#define REG_SYN_OP_POSIX_BRACKET (1<<23) /* [:xxxx:] */
#define REG_SYN_OP_NON_GREEDY (1<<24) /* ??,*?,+?,{n,m}? */
#define REG_SYN_OP_ESC_CONTROL_CHAR (1<<25) /* \n,\r,\t,\a ... */
#define REG_SYN_OP_ESC_C_CONTROL (1<<26) /* \cx */
#define REG_SYN_OP_ESC_OCTAL3 (1<<27) /* \OOO */
#define REG_SYN_OP_ESC_X_HEX2 (1<<28) /* \xHH */
#define REG_SYN_OP_ESC_X_BRACE_HEX8 (1<<29) /* \x{7HHHHHHH} */
#define REG_SYN_OP_SUBEXP_EFFECT (1<<30) /* (?...) */
#define REG_SYN_OP_QUOTE (1<<31) /* \Q...\E */
#define REG_SYN_OP2_OPTION_PERL (1<<0) /* (?imsx), (?-imsx) */
#define REG_SYN_OP2_OPTION_RUBY (1<<1) /* (?imx), (?-imx) */
#define REG_SYN_OP2_POSSESSIVE_REPEAT (1<<2) /* ?+,*+,++ */
#define REG_SYN_OP2_POSSESSIVE_INTERVAL (1<<3) /* {n,m}+ */
#define REG_SYN_OP2_CCLASS_SET (1<<4) /* [...&&..[..].] */
#define REG_SYN_OP2_NAMED_SUBEXP (1<<5) /*(?<name>.),\k<name>*/
#define REG_SYN_OP2_SUBEXP_CALL (1<<6) /* \g<name> */
#define REG_SYN_OP2_ESC_CAPITAL_C_BAR_CONTROL (1<<7) /* \C-x */
#define REG_SYN_OP2_ESC_M_BAR_META (1<<8) /* \M-x */
#define REG_SYN_OP2_ESC_V_VTAB (1<<9) /* \v as VTAB */
#define REG_SYN_OP2_ESC_U_HEX4 (1<<10) /* \uHHHH */
/* syntax (behavior) */
#define REG_SYN_CONTEXT_INDEP_ANCHORS (1<<0) /* not implemented */
#define REG_SYN_CONTEXT_INDEP_OPS (1<<1) /* ?, *, +, {n,m} */
#define REG_SYN_CONTEXT_INVALID_OPS (1<<2) /* error or ignore */
#define REG_SYN_ALLOW_UNMATCHED_CLOSE_SUBEXP (1<<3) /* ...)... */
#define REG_SYN_ALLOW_INVALID_INTERVAL (1<<4) /* {??? */
#define REG_SYN_STRICT_CHECK_BACKREF (1<<5) /* /(\1)/,/\1()/ etc.*/
#define REG_SYN_DIFFERENT_LEN_ALT_LOOK_BEHIND (1<<6) /* (?<=a|bc) */
/* syntax in char class [...] */
#define REG_SYN_WARN_FOR_CC_OP_NOT_ESCAPED (1<<10) /* [,-,] */
#define REG_SYN_NOT_NEWLINE_IN_NEGATIVE_CC (1<<11)
#define REG_SYN_ESCAPE_IN_CC (1<<12) /* [...\w..] etc.. */
#define REG_SYN_ALLOW_EMPTY_RANGE_IN_CC (1<<13)
#define REG_SYN_ALLOW_RANGE_OP_IN_CC (1<<14) /* [0-9-a] */
/* error codes */
#define REG_IS_PATTERN_ERROR(ecode) ((ecode) <= -100 && (ecode) > -300)
/* normal return */
#define REG_NORMAL 0
#define REG_MISMATCH -1
#define REG_NO_SUPPORT_CONFIG -2
/* internal error */
#define REGERR_MEMORY -5
#define REGERR_MATCH_STACK_LIMIT_OVER -6
#define REGERR_TYPE_BUG -10
#define REGERR_PARSER_BUG -11
#define REGERR_STACK_BUG -12
#define REGERR_UNDEFINED_BYTECODE -13
#define REGERR_UNEXPECTED_BYTECODE -14
#define REGERR_DEFAULT_ENCODING_IS_NOT_SETTED -21
#define REGERR_SPECIFIED_ENCODING_CANT_CONVERT_TO_WIDE_CHAR -22
/* syntax error */
#define REGERR_END_PATTERN_AT_LEFT_BRACE -100
#define REGERR_END_PATTERN_AT_LEFT_BRACKET -101
#define REGERR_EMPTY_CHAR_CLASS -102
#define REGERR_PREMATURE_END_OF_CHAR_CLASS -103
#define REGERR_END_PATTERN_AT_BACKSLASH -104
#define REGERR_END_PATTERN_AT_META -105
#define REGERR_END_PATTERN_AT_CONTROL -106
#define REGERR_META_CODE_SYNTAX -108
#define REGERR_CONTROL_CODE_SYNTAX -109
#define REGERR_CHAR_CLASS_VALUE_AT_END_OF_RANGE -110
#define REGERR_CHAR_CLASS_VALUE_AT_START_OF_RANGE -111
#define REGERR_UNMATCHED_RANGE_SPECIFIER_IN_CHAR_CLASS -112
#define REGERR_TARGET_OF_REPEAT_OPERATOR_NOT_SPECIFIED -113
#define REGERR_TARGET_OF_REPEAT_OPERATOR_INVALID -114
#define REGERR_NESTED_REPEAT_OPERATOR -115
#define REGERR_UNMATCHED_CLOSE_PARENTHESIS -116
#define REGERR_END_PATTERN_WITH_UNMATCHED_PARENTHESIS -117
#define REGERR_END_PATTERN_IN_GROUP -118
#define REGERR_UNDEFINED_GROUP_OPTION -119
#define REGERR_INVALID_POSIX_BRACKET_TYPE -121
#define REGERR_INVALID_LOOK_BEHIND_PATTERN -122
#define REGERR_INVALID_REPEAT_RANGE_PATTERN -123
/* values error (syntax error) */
#define REGERR_TOO_BIG_NUMBER -200
#define REGERR_TOO_BIG_NUMBER_FOR_REPEAT_RANGE -201
#define REGERR_UPPER_SMALLER_THAN_LOWER_IN_REPEAT_RANGE -202
#define REGERR_EMPTY_RANGE_IN_CHAR_CLASS -203
#define REGERR_MISMATCH_CODE_LENGTH_IN_CLASS_RANGE -204
#define REGERR_TOO_MANY_MULTI_BYTE_RANGES -205
#define REGERR_TOO_SHORT_MULTI_BYTE_STRING -206
#define REGERR_TOO_BIG_BACKREF_NUMBER -207
#define REGERR_INVALID_BACKREF -208
#define REGERR_TOO_BIG_WIDE_CHAR_VALUE -209
#define REGERR_TOO_LONG_WIDE_CHAR_VALUE -210
#define REGERR_INVALID_WIDE_CHAR_VALUE -211
#define REGERR_INVALID_SUBEXP_NAME -212
#define REGERR_UNDEFINED_NAME_REFERENCE -213
#define REGERR_UNDEFINED_GROUP_REFERENCE -214
#define REGERR_MULTIPLEX_DEFINITION_NAME_CALL -215
#define REGERR_NEVER_ENDING_RECURSION -216
/* errors related to thread */
#define REGERR_OVER_THREAD_PASS_LIMIT_COUNT -301
/* match result region type */
struct re_registers {
int allocated;
int num_regs;
int* beg;
int* end;
};
#define REG_REGION_NOTPOS -1
typedef struct re_registers RegRegion;
typedef struct {
UChar* par;
UChar* par_end;
} RegErrorInfo;
typedef struct {
int lower;
int upper;
} RegRepeatRange;
/* regex_t state */
#define REG_STATE_NORMAL 0
#define REG_STATE_SEARCHING 1
#define REG_STATE_COMPILING -1
#define REG_STATE_MODIFY -2
#define REG_STATE(regex) \
((regex)->state > 0 ? REG_STATE_SEARCHING : (regex)->state)
typedef struct re_pattern_buffer {
/* common members in BBuf(bytes-buffer) type */
unsigned char* p; /* compiled pattern */
unsigned int used; /* used space for p */
unsigned int alloc; /* allocated space for p */
int state; /* normal, searching, compiling */
int num_mem; /* used memory(...) num counted from 1 */
int num_repeat; /* OP_REPEAT/OP_REPEAT_NG id-counter */
int num_null_check; /* OP_NULL_CHECK_START/END id counter */
int num_call; /* number of subexp call */
unsigned int backtrack_mem;
int stack_pop_level;
int repeat_range_alloc;
RegRepeatRange* repeat_range;
RegCharEncoding enc;
RegOptionType options;
RegSyntaxType* syntax;
void* name_table;
/* optimize info (string search and char-map and anchor) */
int optimize; /* optimize flag */
int threshold_len; /* search str-length for apply optimize */
int anchor; /* BEGIN_BUF, BEGIN_POS, (SEMI_)END_BUF */
RegDistance anchor_dmin; /* (SEMI_)END_BUF anchor distance */
RegDistance anchor_dmax; /* (SEMI_)END_BUF anchor distance */
int sub_anchor; /* start-anchor for exact or map */
unsigned char *exact;
unsigned char *exact_end;
unsigned char map[REG_CHAR_TABLE_SIZE]; /* used as BM skip or char-map */
int *int_map; /* BM skip for exact_len > 255 */
int *int_map_backward; /* BM skip for backward search */
RegDistance dmin; /* min-distance of exact or map */
RegDistance dmax; /* max-distance of exact or map */
/* regex_t link chain */
struct re_pattern_buffer* chain; /* escape compile-conflict on multi-thread */
} regex_t;
#ifdef RUBY_PLATFORM
#define re_mbcinit ruby_re_mbcinit
#define re_compile_pattern ruby_re_compile_pattern
#define re_recompile_pattern ruby_re_recompile_pattern
#define re_free_pattern ruby_re_free_pattern
#define re_adjust_startpos ruby_re_adjust_startpos
#define re_search ruby_re_search
#define re_match ruby_re_match
#define re_set_casetable ruby_re_set_casetable
#define re_copy_registers ruby_re_copy_registers
#define re_free_registers ruby_re_free_registers
#define register_info_type ruby_register_info_type
#define re_error_code_to_str ruby_error_code_to_str
#define ruby_error_code_to_str regex_error_code_to_str
#define ruby_re_copy_registers regex_region_copy
#else
#define re_error_code_to_str regex_error_code_to_str
#define re_copy_registers regex_region_copy
#endif
/* Oniguruma Native API */
REG_EXTERN
int regex_init P_((void));
REG_EXTERN
int regex_error_code_to_str PV_((UChar* s, int err_code, ...));
REG_EXTERN
int regex_new P_((regex_t**, UChar* pattern, UChar* pattern_end, RegOptionType option, RegCharEncoding code, RegSyntaxType* syntax, RegErrorInfo* einfo));
REG_EXTERN
void regex_free P_((regex_t*));
REG_EXTERN
int regex_recompile P_((regex_t*, UChar* pattern, UChar* pattern_end, RegOptionType option, RegCharEncoding code, RegSyntaxType* syntax, RegErrorInfo* einfo));
REG_EXTERN
int regex_search P_((regex_t*, UChar* str, UChar* end, UChar* start, UChar* range, RegRegion* region, RegOptionType option));
REG_EXTERN
int regex_match P_((regex_t*, UChar* str, UChar* end, UChar* at, RegRegion* region, RegOptionType option));
REG_EXTERN
RegRegion* regex_region_new P_((void));
REG_EXTERN
void regex_region_free P_((RegRegion* region, int free_self));
REG_EXTERN
void regex_region_copy P_((RegRegion* to, RegRegion* from));
REG_EXTERN
void regex_region_clear P_((RegRegion* region));
REG_EXTERN
int regex_region_resize P_((RegRegion* region, int n));
REG_EXTERN
int regex_name_to_group_numbers P_((regex_t* reg, UChar* name, UChar* name_end,
int** nums));
REG_EXTERN
int regex_foreach_name P_((regex_t* reg, int (*func)(UChar*,int,int*,void*), void* arg));
REG_EXTERN
UChar* regex_get_prev_char_head P_((RegCharEncoding code, UChar* start, UChar* s));
REG_EXTERN
UChar* regex_get_left_adjust_char_head P_((RegCharEncoding code, UChar* start, UChar* s));
REG_EXTERN
UChar* regex_get_right_adjust_char_head P_((RegCharEncoding code, UChar* start, UChar* s));
REG_EXTERN
void regex_set_default_trans_table P_((UChar* table));
REG_EXTERN
int regex_set_default_syntax P_((RegSyntaxType* syntax));
REG_EXTERN
int regex_end P_((void));
REG_EXTERN
const char* regex_version P_((void));
/* GNU regex API */
#ifdef REG_RUBY_M17N
REG_EXTERN
void re_mbcinit P_((RegCharEncoding));
#else
REG_EXTERN
void re_mbcinit P_((int));
#endif
REG_EXTERN
int re_compile_pattern P_((const char*, int, struct re_pattern_buffer*, char* err_buf));
REG_EXTERN
int re_recompile_pattern P_((const char*, int, struct re_pattern_buffer*, char* err_buf));
REG_EXTERN
void re_free_pattern P_((struct re_pattern_buffer*));
REG_EXTERN
int re_adjust_startpos P_((struct re_pattern_buffer*, const char*, int, int, int));
REG_EXTERN
int re_search P_((struct re_pattern_buffer*, const char*, int, int, int, struct re_registers*));
REG_EXTERN
int re_match P_((struct re_pattern_buffer*, const char *, int, int, struct re_registers*));
REG_EXTERN
void re_set_casetable P_((const char*));
REG_EXTERN
void re_free_registers P_((struct re_registers*));
REG_EXTERN
int re_alloc_pattern P_((struct re_pattern_buffer**)); /* added */
#endif /* ONIGURUMA_H */
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