# -*- coding: utf-8 -*-

# Copyright (c) 2011-2019  K.Takata  <kentkt AT csc 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.

"""Using Onigmo (Oniguruma-mod) regular expression library.

This is a low level wrapper for Onigmo regular expression DLL/shared object.
(This module does not support static link library.)
This provides almost same API as the original C API, so the API is not
object oriented.

Onigmo DLL (onigmo.dll, libonigmo.so, etc.) must be placed in the
default search path. The default search path depends on the system.
"""

import ctypes
import os
import sys

#__all__ = ["onig_new", "onig_free",
#           "onig_search", "onig_match",
#           "onig_region_new", "onig_region_free",
#           "onig_version", "onig_copyright"]

#
# Onigmo API version
# (Must be synchronized with LTVERSION in configure.ac.)
#
_onig_api_version = 6

#
# Type Definitions
#

OnigCodePoint = ctypes.c_uint

class OnigRegexType(ctypes.Structure):
    _fields_ = [
    ]
regex_t = OnigRegexType
OnigRegex = ctypes.POINTER(OnigRegexType)

try:
    # Python 2.7
    _c_ssize_t = ctypes.c_ssize_t
except AttributeError:
    # Python 2.6
    if ctypes.sizeof(ctypes.c_int) == ctypes.sizeof(ctypes.c_void_p):
        _c_ssize_t = ctypes.c_int
    elif ctypes.sizeof(ctypes.c_long) == ctypes.sizeof(ctypes.c_void_p):
        _c_ssize_t = ctypes.c_long
    elif ctypes.sizeof(ctypes.c_longlong) == ctypes.sizeof(ctypes.c_void_p):
        _c_ssize_t = ctypes.c_longlong

class OnigRegion(ctypes.Structure):
    _fields_ = [
        ("allocated",   ctypes.c_int),
        ("num_regs",    ctypes.c_int),
        ("beg",         ctypes.POINTER(_c_ssize_t)),
        ("end",         ctypes.POINTER(_c_ssize_t)),
        ("history_root",ctypes.c_void_p),
    ]
re_registers = OnigRegion

OnigOptionType = ctypes.c_int

class OnigEncodingType(ctypes.Structure):
    _fields_ = [
        ("mbc_enc_len",     ctypes.c_void_p),
        ("name",            ctypes.c_char_p),
        ("max_enc_len",     ctypes.c_int),
        ("min_enc_len",     ctypes.c_int),
        ("is_mbc_newline",  ctypes.c_void_p),
        ("mbc_to_code",     ctypes.c_void_p),
        ("code_to_mbclen",  ctypes.c_void_p),
        ("code_to_mbc",     ctypes.c_void_p),
        ("mbc_case_fold",   ctypes.c_void_p),
        ("apply_all_case_fold",     ctypes.c_void_p),
        ("get_case_fold_codes_by_str",  ctypes.c_void_p),
        ("property_name_to_ctype",  ctypes.c_void_p),
        ("is_code_ctype",           ctypes.c_void_p),
        ("get_ctype_code_range",    ctypes.c_void_p),
        ("left_adjust_char_head",   ctypes.c_void_p),
        ("is_allowed_reverse_match",ctypes.c_void_p),
        ("case_map",                ctypes.c_void_p),
        ("ruby_encoding_index",     ctypes.c_int),
        ("flags",                   ctypes.c_int),
    ]
OnigEncoding = ctypes.POINTER(OnigEncodingType)

class OnigMetaCharTableType(ctypes.Structure):
    _fields_ = [
        ("esc",             OnigCodePoint),
        ("anychar",         OnigCodePoint),
        ("anytime",         OnigCodePoint),
        ("zero_or_one_time",OnigCodePoint),
        ("one_or_one_time", OnigCodePoint),
        ("anychar_anytime", OnigCodePoint),
    ]

class OnigSyntaxType(ctypes.Structure):
    _fields_ = [
        ("op",              ctypes.c_uint),
        ("op2",             ctypes.c_uint),
        ("behavior",        ctypes.c_uint),
        ("options",         OnigOptionType),
        ("meta_char_table", OnigMetaCharTableType),
    ]

class OnigErrorInfo(ctypes.Structure):
    _fields_ = [
        ("enc",     OnigEncoding),
        ("par",     ctypes.c_char_p),
        ("par_end", ctypes.c_char_p),
    ]


# load the DLL or the shared library

if sys.version_info[0:3] < (3, 8, 0):
    loadargs = {}
else:
    # Use the default (potentially insecure) search path
    loadargs = {'winmode': 0}

if os.name in ("nt", "ce"):
    # Win32
    _libname = "onigmo.dll"
    try:
        libonig = ctypes.CDLL(_libname, **loadargs)
    except OSError:
        # Sometimes MinGW version has a prefix "lib".
        _libname = "libonigmo.dll"
        try:
            libonig = ctypes.CDLL(_libname, **loadargs)
        except OSError:
            # Sometimes MinGW version has the API version.
            _libname = "libonigmo-%d.dll" % _onig_api_version
            libonig = ctypes.CDLL(_libname, **loadargs)
elif sys.platform == "cygwin":
    # Cygwin
    _libname = "cygonigmo-%d.dll" % _onig_api_version
    libonig = ctypes.cdll.LoadLibrary(_libname)
elif sys.platform == "msys":
    # MSYS/MSYS2
    _libname = "msys-onigmo-%d.dll" % _onig_api_version
    libonig = ctypes.cdll.LoadLibrary(_libname)
elif sys.platform == "darwin":
    # Mac
    _libname = "libonigmo.dylib"
    libonig = ctypes.cdll.LoadLibrary(_libname)
else:
    # Unix
    _libname = "libonigmo.so"
    libonig = ctypes.cdll.LoadLibrary(_libname)

#
# Encodings
#
def _load_encoding(enc):
    return ctypes.pointer(OnigEncodingType.in_dll(libonig, enc))

ONIG_ENCODING_ASCII         = _load_encoding("OnigEncodingASCII")
ONIG_ENCODING_ISO_8859_1    = _load_encoding("OnigEncodingISO_8859_1")
ONIG_ENCODING_ISO_8859_2    = _load_encoding("OnigEncodingISO_8859_2")
ONIG_ENCODING_ISO_8859_3    = _load_encoding("OnigEncodingISO_8859_3")
ONIG_ENCODING_ISO_8859_4    = _load_encoding("OnigEncodingISO_8859_4")
ONIG_ENCODING_ISO_8859_5    = _load_encoding("OnigEncodingISO_8859_5")
ONIG_ENCODING_ISO_8859_6    = _load_encoding("OnigEncodingISO_8859_6")
ONIG_ENCODING_ISO_8859_7    = _load_encoding("OnigEncodingISO_8859_7")
ONIG_ENCODING_ISO_8859_8    = _load_encoding("OnigEncodingISO_8859_8")
ONIG_ENCODING_ISO_8859_9    = _load_encoding("OnigEncodingISO_8859_9")
ONIG_ENCODING_ISO_8859_10   = _load_encoding("OnigEncodingISO_8859_10")
ONIG_ENCODING_ISO_8859_11   = _load_encoding("OnigEncodingISO_8859_11")
ONIG_ENCODING_ISO_8859_13   = _load_encoding("OnigEncodingISO_8859_13")
ONIG_ENCODING_ISO_8859_14   = _load_encoding("OnigEncodingISO_8859_14")
ONIG_ENCODING_ISO_8859_15   = _load_encoding("OnigEncodingISO_8859_15")
ONIG_ENCODING_ISO_8859_16   = _load_encoding("OnigEncodingISO_8859_16")
ONIG_ENCODING_UTF_8         = _load_encoding("OnigEncodingUTF_8")
ONIG_ENCODING_UTF_16LE      = _load_encoding("OnigEncodingUTF_16LE")
ONIG_ENCODING_UTF_16BE      = _load_encoding("OnigEncodingUTF_16BE")
ONIG_ENCODING_UTF_32LE      = _load_encoding("OnigEncodingUTF_32LE")
ONIG_ENCODING_UTF_32BE      = _load_encoding("OnigEncodingUTF_32BE")
ONIG_ENCODING_UTF8          = ONIG_ENCODING_UTF_8
ONIG_ENCODING_UTF16_LE      = ONIG_ENCODING_UTF_16LE
ONIG_ENCODING_UTF16_BE      = ONIG_ENCODING_UTF_16BE
ONIG_ENCODING_UTF32_LE      = ONIG_ENCODING_UTF_32LE
ONIG_ENCODING_UTF32_BE      = ONIG_ENCODING_UTF_32BE
ONIG_ENCODING_EUC_JP        = _load_encoding("OnigEncodingEUC_JP")
ONIG_ENCODING_EUC_TW        = _load_encoding("OnigEncodingEUC_TW")
ONIG_ENCODING_EUC_KR        = _load_encoding("OnigEncodingEUC_KR")
ONIG_ENCODING_EUC_CN        = _load_encoding("OnigEncodingEUC_CN")
ONIG_ENCODING_SHIFT_JIS     = _load_encoding("OnigEncodingShift_JIS")
ONIG_ENCODING_WINDOWS_31J   = _load_encoding("OnigEncodingWindows_31J")
ONIG_ENCODING_SJIS          = ONIG_ENCODING_SHIFT_JIS
ONIG_ENCODING_CP932         = ONIG_ENCODING_WINDOWS_31J
#ONIG_ENCODING_KOI8         = _load_encoding("OnigEncodingKOI8")
ONIG_ENCODING_KOI8_R        = _load_encoding("OnigEncodingKOI8_R")
ONIG_ENCODING_KOI8_U        = _load_encoding("OnigEncodingKOI8_U")
ONIG_ENCODING_WINDOWS_1250  = _load_encoding("OnigEncodingWindows_1250")
ONIG_ENCODING_WINDOWS_1251  = _load_encoding("OnigEncodingWindows_1251")
ONIG_ENCODING_WINDOWS_1252  = _load_encoding("OnigEncodingWindows_1252")
ONIG_ENCODING_WINDOWS_1253  = _load_encoding("OnigEncodingWindows_1253")
ONIG_ENCODING_WINDOWS_1254  = _load_encoding("OnigEncodingWindows_1254")
ONIG_ENCODING_WINDOWS_1257  = _load_encoding("OnigEncodingWindows_1257")
ONIG_ENCODING_CP1250        = ONIG_ENCODING_WINDOWS_1250
ONIG_ENCODING_CP1251        = ONIG_ENCODING_WINDOWS_1251
ONIG_ENCODING_CP1252        = ONIG_ENCODING_WINDOWS_1252
ONIG_ENCODING_CP1253        = ONIG_ENCODING_WINDOWS_1253
ONIG_ENCODING_CP1254        = ONIG_ENCODING_WINDOWS_1254
ONIG_ENCODING_CP1257        = ONIG_ENCODING_WINDOWS_1257
ONIG_ENCODING_BIG5          = _load_encoding("OnigEncodingBIG5")
ONIG_ENCODING_GB18030       = _load_encoding("OnigEncodingGB18030")

#ONIG_ENCODING_UNDEF         = None


#
# Syntaxes
#
def _load_syntax(syn):
    return ctypes.pointer(OnigSyntaxType.in_dll(libonig, syn))

ONIG_SYNTAX_ASIS            = _load_syntax("OnigSyntaxASIS")
ONIG_SYNTAX_POSIX_BASIC     = _load_syntax("OnigSyntaxPosixBasic")
ONIG_SYNTAX_POSIX_EXTENDED  = _load_syntax("OnigSyntaxPosixExtended")
ONIG_SYNTAX_EMACS           = _load_syntax("OnigSyntaxEmacs")
ONIG_SYNTAX_GREP            = _load_syntax("OnigSyntaxGrep")
ONIG_SYNTAX_GNU_REGEX       = _load_syntax("OnigSyntaxGnuRegex")
ONIG_SYNTAX_JAVA            = _load_syntax("OnigSyntaxJava")
ONIG_SYNTAX_PERL            = _load_syntax("OnigSyntaxPerl")
ONIG_SYNTAX_PERL58          = _load_syntax("OnigSyntaxPerl58")
ONIG_SYNTAX_PERL58_NG       = _load_syntax("OnigSyntaxPerl58_NG")
ONIG_SYNTAX_RUBY            = _load_syntax("OnigSyntaxRuby")
ONIG_SYNTAX_PYTHON          = _load_syntax("OnigSyntaxPython")

ONIG_SYNTAX_DEFAULT         = ctypes.POINTER(OnigSyntaxType).in_dll(
                                    libonig, "OnigDefaultSyntax")


#
# Constants
#

ONIG_MAX_ERROR_MESSAGE_LEN = 90

# options
ONIG_OPTION_NONE                = 0
ONIG_OPTION_IGNORECASE          = 1
ONIG_OPTION_EXTEND              = (ONIG_OPTION_IGNORECASE         << 1)
ONIG_OPTION_MULTILINE           = (ONIG_OPTION_EXTEND             << 1)
ONIG_OPTION_DOTALL              =  ONIG_OPTION_MULTILINE
ONIG_OPTION_SINGLELINE          = (ONIG_OPTION_MULTILINE          << 1)
ONIG_OPTION_FIND_LONGEST        = (ONIG_OPTION_SINGLELINE         << 1)
ONIG_OPTION_FIND_NOT_EMPTY      = (ONIG_OPTION_FIND_LONGEST       << 1)
ONIG_OPTION_NEGATE_SINGLELINE   = (ONIG_OPTION_FIND_NOT_EMPTY     << 1)
ONIG_OPTION_DONT_CAPTURE_GROUP  = (ONIG_OPTION_NEGATE_SINGLELINE  << 1)
ONIG_OPTION_CAPTURE_GROUP       = (ONIG_OPTION_DONT_CAPTURE_GROUP << 1)
# options (search time)
ONIG_OPTION_NOTBOL              = (ONIG_OPTION_CAPTURE_GROUP << 1)
ONIG_OPTION_NOTEOL              = (ONIG_OPTION_NOTBOL << 1)
ONIG_OPTION_NOTBOS              = (ONIG_OPTION_NOTEOL << 1)
ONIG_OPTION_NOTEOS              = (ONIG_OPTION_NOTBOS << 1)
# options (ctype range)
ONIG_OPTION_ASCII_RANGE         = (ONIG_OPTION_NOTEOS << 1)
ONIG_OPTION_POSIX_BRACKET_ALL_RANGE = (ONIG_OPTION_ASCII_RANGE << 1)
ONIG_OPTION_WORD_BOUND_ALL_RANGE    = (ONIG_OPTION_POSIX_BRACKET_ALL_RANGE << 1)
# options (newline)
ONIG_OPTION_NEWLINE_CRLF        = (ONIG_OPTION_WORD_BOUND_ALL_RANGE << 1)

ONIG_OPTION_DEFAULT             = ONIG_OPTION_NONE


# syntax (operators)
ONIG_SYN_OP_VARIABLE_META_CHARACTERS    = (1<<0)
ONIG_SYN_OP_DOT_ANYCHAR                 = (1<<1)
ONIG_SYN_OP_ASTERISK_ZERO_INF           = (1<<2)
ONIG_SYN_OP_ESC_ASTERISK_ZERO_INF       = (1<<3)
ONIG_SYN_OP_PLUS_ONE_INF                = (1<<4)
ONIG_SYN_OP_ESC_PLUS_ONE_INF            = (1<<5)
ONIG_SYN_OP_QMARK_ZERO_ONE              = (1<<6)
ONIG_SYN_OP_ESC_QMARK_ZERO_ONE          = (1<<7)
ONIG_SYN_OP_BRACE_INTERVAL              = (1<<8)
ONIG_SYN_OP_ESC_BRACE_INTERVAL          = (1<<9)
ONIG_SYN_OP_VBAR_ALT                    = (1<<10)
ONIG_SYN_OP_ESC_VBAR_ALT                = (1<<11)
ONIG_SYN_OP_LPAREN_SUBEXP               = (1<<12)
ONIG_SYN_OP_ESC_LPAREN_SUBEXP           = (1<<13)
ONIG_SYN_OP_ESC_AZ_BUF_ANCHOR           = (1<<14)
ONIG_SYN_OP_ESC_CAPITAL_G_BEGIN_ANCHOR  = (1<<15)
ONIG_SYN_OP_DECIMAL_BACKREF             = (1<<16)
ONIG_SYN_OP_BRACKET_CC                  = (1<<17)
ONIG_SYN_OP_ESC_W_WORD                  = (1<<18)
ONIG_SYN_OP_ESC_LTGT_WORD_BEGIN_END     = (1<<19)
ONIG_SYN_OP_ESC_B_WORD_BOUND            = (1<<20)
ONIG_SYN_OP_ESC_S_WHITE_SPACE           = (1<<21)
ONIG_SYN_OP_ESC_D_DIGIT                 = (1<<22)
ONIG_SYN_OP_LINE_ANCHOR                 = (1<<23)
ONIG_SYN_OP_POSIX_BRACKET               = (1<<24)
ONIG_SYN_OP_QMARK_NON_GREEDY            = (1<<25)
ONIG_SYN_OP_ESC_CONTROL_CHARS           = (1<<26)
ONIG_SYN_OP_ESC_C_CONTROL               = (1<<27)
ONIG_SYN_OP_ESC_OCTAL3                  = (1<<28)
ONIG_SYN_OP_ESC_X_HEX2                  = (1<<29)
ONIG_SYN_OP_ESC_X_BRACE_HEX8            = (1<<30)
ONIG_SYN_OP_ESC_O_BRACE_OCTAL           = (1<<31)

ONIG_SYN_OP2_ESC_CAPITAL_Q_QUOTE        = (1<<0)
ONIG_SYN_OP2_QMARK_GROUP_EFFECT         = (1<<1)
ONIG_SYN_OP2_OPTION_PERL                = (1<<2)
ONIG_SYN_OP2_OPTION_RUBY                = (1<<3)
ONIG_SYN_OP2_PLUS_POSSESSIVE_REPEAT     = (1<<4)
ONIG_SYN_OP2_PLUS_POSSESSIVE_INTERVAL   = (1<<5)
ONIG_SYN_OP2_CCLASS_SET_OP              = (1<<6)
ONIG_SYN_OP2_QMARK_LT_NAMED_GROUP       = (1<<7)
ONIG_SYN_OP2_ESC_K_NAMED_BACKREF        = (1<<8)
ONIG_SYN_OP2_ESC_G_SUBEXP_CALL          = (1<<9)
ONIG_SYN_OP2_ATMARK_CAPTURE_HISTORY     = (1<<10)
ONIG_SYN_OP2_ESC_CAPITAL_C_BAR_CONTROL  = (1<<11)
ONIG_SYN_OP2_ESC_CAPITAL_M_BAR_META     = (1<<12)
ONIG_SYN_OP2_ESC_V_VTAB                 = (1<<13)
ONIG_SYN_OP2_ESC_U_HEX4                 = (1<<14)
ONIG_SYN_OP2_ESC_GNU_BUF_ANCHOR         = (1<<15)
ONIG_SYN_OP2_ESC_P_BRACE_CHAR_PROPERTY  = (1<<16)
ONIG_SYN_OP2_ESC_P_BRACE_CIRCUMFLEX_NOT = (1<<17)
#ONIG_SYN_OP2_CHAR_PROPERTY_PREFIX_IS   = (1<<18)
ONIG_SYN_OP2_ESC_H_XDIGIT               = (1<<19)
ONIG_SYN_OP2_INEFFECTIVE_ESCAPE         = (1<<20)
ONIG_SYN_OP2_ESC_CAPITAL_R_LINEBREAK    = (1<<21)
ONIG_SYN_OP2_ESC_CAPITAL_X_EXTENDED_GRAPHEME_CLUSTER = (1<<22)
ONIG_SYN_OP2_ESC_V_VERTICAL_WHITESPACE   = (1<<23)
ONIG_SYN_OP2_ESC_H_HORIZONTAL_WHITESPACE = (1<<24)
ONIG_SYN_OP2_ESC_CAPITAL_K_KEEP          = (1<<25)
ONIG_SYN_OP2_ESC_G_BRACE_BACKREF         = (1<<26)
ONIG_SYN_OP2_QMARK_SUBEXP_CALL           = (1<<27)
ONIG_SYN_OP2_QMARK_VBAR_BRANCH_RESET     = (1<<28)
ONIG_SYN_OP2_QMARK_LPAREN_CONDITION      = (1<<29)
ONIG_SYN_OP2_QMARK_CAPITAL_P_NAMED_GROUP = (1<<30)
ONIG_SYN_OP2_OPTION_JAVA                 = (1<<31)

# syntax (behavior)
ONIG_SYN_CONTEXT_INDEP_ANCHORS           = (1<<31)
ONIG_SYN_CONTEXT_INDEP_REPEAT_OPS        = (1<<0)
ONIG_SYN_CONTEXT_INVALID_REPEAT_OPS      = (1<<1)
ONIG_SYN_ALLOW_UNMATCHED_CLOSE_SUBEXP    = (1<<2)
ONIG_SYN_ALLOW_INVALID_INTERVAL          = (1<<3)
ONIG_SYN_ALLOW_INTERVAL_LOW_ABBREV       = (1<<4)
ONIG_SYN_STRICT_CHECK_BACKREF            = (1<<5)
ONIG_SYN_DIFFERENT_LEN_ALT_LOOK_BEHIND   = (1<<6)
ONIG_SYN_CAPTURE_ONLY_NAMED_GROUP        = (1<<7)
ONIG_SYN_ALLOW_MULTIPLEX_DEFINITION_NAME = (1<<8)
ONIG_SYN_FIXED_INTERVAL_IS_GREEDY_ONLY   = (1<<9)
ONIG_SYN_ALLOW_MULTIPLEX_DEFINITION_NAME_CALL = (1<<10)
ONIG_SYN_USE_LEFT_MOST_NAMED_GROUP       = (1<<11)

# (behavior) in char class [...]
ONIG_SYN_NOT_NEWLINE_IN_NEGATIVE_CC     = (1<<20)
ONIG_SYN_BACKSLASH_ESCAPE_IN_CC         = (1<<21)
ONIG_SYN_ALLOW_EMPTY_RANGE_IN_CC        = (1<<22)
ONIG_SYN_ALLOW_DOUBLE_RANGE_OP_IN_CC    = (1<<23)
# syntax (behavior) warning
ONIG_SYN_WARN_CC_OP_NOT_ESCAPED         = (1<<24)
ONIG_SYN_WARN_REDUNDANT_NESTED_REPEAT   = (1<<25)
ONIG_SYN_WARN_CC_DUP                    = (1<<26)

# meta character specifiers (onig_set_meta_char())
ONIG_META_CHAR_ESCAPE               = 0
ONIG_META_CHAR_ANYCHAR              = 1
ONIG_META_CHAR_ANYTIME              = 2
ONIG_META_CHAR_ZERO_OR_ONE_TIME     = 3
ONIG_META_CHAR_ONE_OR_MORE_TIME     = 4
ONIG_META_CHAR_ANYCHAR_ANYTIME      = 5

ONIG_INEFFECTIVE_META_CHAR          = 0


# error codes
def ONIG_IS_PATTERN_ERROR(ecode):
    return ((ecode) <= -100 and (ecode) > -1000)
# normal return
ONIG_NORMAL                                             =     0
ONIG_MISMATCH                                           =    -1
ONIG_NO_SUPPORT_CONFIG                                  =    -2
# internal error
ONIGERR_MEMORY                                          =    -5
ONIGERR_TYPE_BUG                                        =    -6
ONIGERR_PARSER_BUG                                      =   -11
ONIGERR_STACK_BUG                                       =   -12
ONIGERR_UNDEFINED_BYTECODE                              =   -13
ONIGERR_UNEXPECTED_BYTECODE                             =   -14
ONIGERR_MATCH_STACK_LIMIT_OVER                          =   -15
ONIGERR_PARSE_DEPTH_LIMIT_OVER                          =   -16
ONIGERR_DEFAULT_ENCODING_IS_NOT_SET                     =   -21
ONIGERR_SPECIFIED_ENCODING_CANT_CONVERT_TO_WIDE_CHAR    =   -22
# general error
ONIGERR_INVALID_ARGUMENT                                =   -30
# syntax error
ONIGERR_END_PATTERN_AT_LEFT_BRACE                       =  -100
ONIGERR_END_PATTERN_AT_LEFT_BRACKET                     =  -101
ONIGERR_EMPTY_CHAR_CLASS                                =  -102
ONIGERR_PREMATURE_END_OF_CHAR_CLASS                     =  -103
ONIGERR_END_PATTERN_AT_ESCAPE                           =  -104
ONIGERR_END_PATTERN_AT_META                             =  -105
ONIGERR_END_PATTERN_AT_CONTROL                          =  -106
ONIGERR_META_CODE_SYNTAX                                =  -108
ONIGERR_CONTROL_CODE_SYNTAX                             =  -109
ONIGERR_CHAR_CLASS_VALUE_AT_END_OF_RANGE                =  -110
ONIGERR_CHAR_CLASS_VALUE_AT_START_OF_RANGE              =  -111
ONIGERR_UNMATCHED_RANGE_SPECIFIER_IN_CHAR_CLASS         =  -112
ONIGERR_TARGET_OF_REPEAT_OPERATOR_NOT_SPECIFIED         =  -113
ONIGERR_TARGET_OF_REPEAT_OPERATOR_INVALID               =  -114
ONIGERR_NESTED_REPEAT_OPERATOR                          =  -115
ONIGERR_UNMATCHED_CLOSE_PARENTHESIS                     =  -116
ONIGERR_END_PATTERN_WITH_UNMATCHED_PARENTHESIS          =  -117
ONIGERR_END_PATTERN_IN_GROUP                            =  -118
ONIGERR_UNDEFINED_GROUP_OPTION                          =  -119
ONIGERR_INVALID_POSIX_BRACKET_TYPE                      =  -121
ONIGERR_INVALID_LOOK_BEHIND_PATTERN                     =  -122
ONIGERR_INVALID_REPEAT_RANGE_PATTERN                    =  -123
ONIGERR_INVALID_CONDITION_PATTERN                       =  -124
# values error (syntax error)
ONIGERR_TOO_BIG_NUMBER                                  =  -200
ONIGERR_TOO_BIG_NUMBER_FOR_REPEAT_RANGE                 =  -201
ONIGERR_UPPER_SMALLER_THAN_LOWER_IN_REPEAT_RANGE        =  -202
ONIGERR_EMPTY_RANGE_IN_CHAR_CLASS                       =  -203
ONIGERR_MISMATCH_CODE_LENGTH_IN_CLASS_RANGE             =  -204
ONIGERR_TOO_MANY_MULTI_BYTE_RANGES                      =  -205
ONIGERR_TOO_SHORT_MULTI_BYTE_STRING                     =  -206
ONIGERR_TOO_BIG_BACKREF_NUMBER                          =  -207
ONIGERR_INVALID_BACKREF                                 =  -208
ONIGERR_NUMBERED_BACKREF_OR_CALL_NOT_ALLOWED            =  -209
ONIGERR_TOO_MANY_CAPTURE_GROUPS                         =  -210
ONIGERR_TOO_SHORT_DIGITS                                =  -211
ONIGERR_TOO_LONG_WIDE_CHAR_VALUE                        =  -212
ONIGERR_EMPTY_GROUP_NAME                                =  -214
ONIGERR_INVALID_GROUP_NAME                              =  -215
ONIGERR_INVALID_CHAR_IN_GROUP_NAME                      =  -216
ONIGERR_UNDEFINED_NAME_REFERENCE                        =  -217
ONIGERR_UNDEFINED_GROUP_REFERENCE                       =  -218
ONIGERR_MULTIPLEX_DEFINED_NAME                          =  -219
ONIGERR_MULTIPLEX_DEFINITION_NAME_CALL                  =  -220
ONIGERR_NEVER_ENDING_RECURSION                          =  -221
ONIGERR_GROUP_NUMBER_OVER_FOR_CAPTURE_HISTORY           =  -222
ONIGERR_INVALID_CHAR_PROPERTY_NAME                      =  -223
ONIGERR_INVALID_CODE_POINT_VALUE                        =  -400
ONIGERR_INVALID_WIDE_CHAR_VALUE                         =  -400
ONIGERR_TOO_BIG_WIDE_CHAR_VALUE                         =  -401
ONIGERR_NOT_SUPPORTED_ENCODING_COMBINATION              =  -402
ONIGERR_INVALID_COMBINATION_OF_OPTIONS                  =  -403

# errors related to thread
#ONIGERR_OVER_THREAD_PASS_LIMIT_COUNT                    = -1001


OnigWarnFunc = ctypes.CFUNCTYPE(None, ctypes.c_char_p)

#
# Onigmo APIs
#

# onig_init
onig_init = libonig.onig_init

# onig_error_code_to_str
libonig.onig_error_code_to_str.argtypes = [ctypes.c_char_p, _c_ssize_t,
        ctypes.POINTER(OnigErrorInfo)]
def onig_error_code_to_str(err_buf, err_code, err_info=None):
    return libonig.onig_error_code_to_str(err_buf, err_code, err_info)

# onig_set_warn_func
libonig.onig_set_warn_func.argtypes = [OnigWarnFunc]
onig_set_warn_func = libonig.onig_set_warn_func

# onig_set_verb_warn_func
libonig.onig_set_verb_warn_func.argtypes = [OnigWarnFunc]
onig_set_verb_warn_func = libonig.onig_set_verb_warn_func

# onig_new
libonig.onig_new.argtypes = [ctypes.POINTER(OnigRegex),
        ctypes.c_void_p, ctypes.c_void_p,
        OnigOptionType, OnigEncoding, ctypes.POINTER(OnigSyntaxType),
        ctypes.POINTER(OnigErrorInfo)]
onig_new = libonig.onig_new

# onig_reg_init
# onig_new_without_alloc
# onig_new_deluxe

# onig_free
libonig.onig_free.argtypes = [OnigRegex]
onig_free = libonig.onig_free

# onig_free_body

# onig_search
libonig.onig_search.argtypes = [OnigRegex,
        ctypes.c_void_p, ctypes.c_void_p, ctypes.c_void_p, ctypes.c_void_p,
        ctypes.POINTER(OnigRegion), OnigOptionType]
libonig.onig_search.restype = _c_ssize_t
onig_search = libonig.onig_search

# onig_search_gpos
libonig.onig_search_gpos.argtypes = [OnigRegex,
        ctypes.c_void_p, ctypes.c_void_p, ctypes.c_void_p, ctypes.c_void_p,
        ctypes.c_void_p,
        ctypes.POINTER(OnigRegion), OnigOptionType]
libonig.onig_search_gpos.restype = _c_ssize_t
onig_search_gpos = libonig.onig_search_gpos

# onig_match
libonig.onig_match.argtypes = [OnigRegex,
        ctypes.c_void_p, ctypes.c_void_p, ctypes.c_void_p,
        ctypes.POINTER(OnigRegion), OnigOptionType]
libonig.onig_match.restype = _c_ssize_t
onig_match = libonig.onig_match

# onig_region_new
libonig.onig_region_new.argtypes = []
libonig.onig_region_new.restype = ctypes.POINTER(OnigRegion)
onig_region_new = libonig.onig_region_new

# onig_region_init

# onig_region_free
libonig.onig_region_free.argtypes = [ctypes.POINTER(OnigRegion), ctypes.c_int]
onig_region_free = libonig.onig_region_free

# onig_region_copy
# onig_region_clear
# onig_region_resize
# onig_region_set
# onig_name_to_group_numbers
# onig_name_to_backref_number
# onig_foreach_name
# onig_number_of_names
# onig_number_of_captures
# onig_number_of_capture_histories
# onig_get_capture_tree
# onig_capture_tree_traverse
# onig_noname_group_capture_is_active
# onig_get_encoding
# onig_get_options
# onig_get_case_fold_flag
# onig_get_syntax

# onig_set_default_syntax
libonig.onig_set_default_syntax.argtypes = [ctypes.POINTER(OnigSyntaxType)]
libonig.onig_set_default_syntax.restype = ctypes.c_int
onig_set_default_syntax = libonig.onig_set_default_syntax

# onig_copy_syntax
libonig.onig_copy_syntax.argtypes = [ctypes.POINTER(OnigSyntaxType),
        ctypes.POINTER(OnigSyntaxType)]
onig_copy_syntax = libonig.onig_copy_syntax

# onig_get_syntax_op
libonig.onig_get_syntax_op.argtypes = [ctypes.POINTER(OnigSyntaxType)]
libonig.onig_get_syntax_op.restype = ctypes.c_int
onig_get_syntax_op = libonig.onig_get_syntax_op

# onig_get_syntax_op2
libonig.onig_get_syntax_op2.argtypes = [ctypes.POINTER(OnigSyntaxType)]
libonig.onig_get_syntax_op2.restype = ctypes.c_int
onig_get_syntax_op2 = libonig.onig_get_syntax_op2

# onig_get_syntax_behavior
libonig.onig_get_syntax_behavior.argtypes = [ctypes.POINTER(OnigSyntaxType)]
libonig.onig_get_syntax_behavior.restype = ctypes.c_int
onig_get_syntax_behavior = libonig.onig_get_syntax_behavior

# onig_get_syntax_options
libonig.onig_get_syntax_options.argtypes = [ctypes.POINTER(OnigSyntaxType)]
libonig.onig_get_syntax_options.restype = ctypes.c_int
onig_get_syntax_options = libonig.onig_get_syntax_options

# onig_set_syntax_op
libonig.onig_set_syntax_op.argtypes = [ctypes.POINTER(OnigSyntaxType),
        ctypes.c_int]
onig_set_syntax_op = libonig.onig_set_syntax_op

# onig_set_syntax_op2
libonig.onig_set_syntax_op2.argtypes = [ctypes.POINTER(OnigSyntaxType),
        ctypes.c_int]
onig_set_syntax_op2 = libonig.onig_set_syntax_op2

# onig_set_syntax_behavior
libonig.onig_set_syntax_behavior.argtypes = [ctypes.POINTER(OnigSyntaxType),
        ctypes.c_int]
onig_set_syntax_behavior = libonig.onig_set_syntax_behavior

# onig_set_syntax_options
libonig.onig_set_syntax_options.argtypes = [ctypes.POINTER(OnigSyntaxType),
        ctypes.c_int]
onig_set_syntax_options = libonig.onig_set_syntax_options

# onig_set_meta_char
# onig_copy_encoding
# onig_get_default_case_fold_flag
# onig_set_default_case_fold_flag

# onig_get_match_stack_limit_size
libonig.onig_get_match_stack_limit_size.argtypes = []
libonig.onig_get_match_stack_limit_size.restype = ctypes.c_int
onig_get_match_stack_limit_size = libonig.onig_get_match_stack_limit_size

# onig_set_match_stack_limit_size
libonig.onig_set_match_stack_limit_size.argtypes = [ctypes.c_int]
libonig.onig_set_match_stack_limit_size.restype = ctypes.c_int
onig_set_match_stack_limit_size = libonig.onig_set_match_stack_limit_size

# onig_get_parse_depth_limit
libonig.onig_get_parse_depth_limit.argtypes = []
libonig.onig_get_parse_depth_limit.restype = ctypes.c_int
onig_get_parse_depth_limit = libonig.onig_get_parse_depth_limit

# onig_set_parse_depth_limit
libonig.onig_set_parse_depth_limit.argtypes = [ctypes.c_int]
libonig.onig_set_parse_depth_limit.restype = ctypes.c_int
onig_set_parse_depth_limit = libonig.onig_set_parse_depth_limit

# onig_end
libonig.onig_end.argtypes = []
onig_end = libonig.onig_end

# onig_version
libonig.onig_version.argtypes = []
libonig.onig_version.restype = ctypes.c_char_p
def onig_version():
    return libonig.onig_version().decode()

# onig_copyright
libonig.onig_copyright.argtypes = []
libonig.onig_copyright.restype = ctypes.c_char_p
def onig_copyright():
    return libonig.onig_copyright().decode()