# cython: language_level=3

from libc.stdint cimport uint8_t, uint32_t, int32_t
from libc.stddef cimport size_t

cdef extern from "pcre2.h":
    pass

cdef extern from *:
    ctypedef struct pcre2_code_8:
        pass
    ctypedef pcre2_code_8 pcre2_code
    
    ctypedef struct pcre2_match_data_8:
        pass
    ctypedef pcre2_match_data_8 pcre2_match_data
    
    ctypedef struct pcre2_compile_context_8:
        pass
    ctypedef pcre2_compile_context_8 pcre2_compile_context
    
    ctypedef struct pcre2_match_context_8:
        pass
    ctypedef pcre2_match_context_8 pcre2_match_context
    
    ctypedef struct pcre2_general_context_8:
        pass
    ctypedef pcre2_general_context_8 pcre2_general_context
    
    ctypedef uint8_t PCRE2_UCHAR
    ctypedef const uint8_t* PCRE2_SPTR
    ctypedef size_t PCRE2_SIZE
    
    uint32_t PCRE2_CASELESS
    uint32_t PCRE2_MULTILINE
    uint32_t PCRE2_DOTALL
    uint32_t PCRE2_UTF
    uint32_t PCRE2_UCP
    uint32_t PCRE2_NO_UTF_CHECK
    uint32_t PCRE2_ANCHORED
    uint32_t PCRE2_ENDANCHORED
    
    uint32_t PCRE2_JIT_COMPLETE
    uint32_t PCRE2_JIT_PARTIAL_SOFT
    uint32_t PCRE2_JIT_PARTIAL_HARD
    
    int PCRE2_ERROR_NOMATCH
    int PCRE2_ERROR_PARTIAL
    int PCRE2_ERROR_JIT_STACKLIMIT
    
    PCRE2_SIZE PCRE2_UNSET
    PCRE2_SIZE PCRE2_ZERO_TERMINATED
    
    pcre2_code* pcre2_compile_8(
        PCRE2_SPTR pattern,
        PCRE2_SIZE length,
        uint32_t options,
        int* errorcode,
        PCRE2_SIZE* erroroffset,
        pcre2_compile_context* ccontext
    )
    
    void pcre2_code_free_8(pcre2_code* code)
    
    int pcre2_jit_compile_8(pcre2_code* code, uint32_t options)
    
    pcre2_match_data* pcre2_match_data_create_from_pattern_8(
        const pcre2_code* code,
        pcre2_general_context* gcontext
    )
    
    pcre2_match_data* pcre2_match_data_create_8(
        uint32_t ovecsize,
        pcre2_general_context* gcontext
    )
    
    void pcre2_match_data_free_8(pcre2_match_data* match_data)
    
    int pcre2_match_8(
        const pcre2_code* code,
        PCRE2_SPTR subject,
        PCRE2_SIZE length,
        PCRE2_SIZE startoffset,
        uint32_t options,
        pcre2_match_data* match_data,
        pcre2_match_context* mcontext
    )
    
    int pcre2_jit_match_8(
        const pcre2_code* code,
        PCRE2_SPTR subject,
        PCRE2_SIZE length,
        PCRE2_SIZE startoffset,
        uint32_t options,
        pcre2_match_data* match_data,
        pcre2_match_context* mcontext
    )
    
    PCRE2_SIZE* pcre2_get_ovector_pointer_8(pcre2_match_data* match_data)
    uint32_t pcre2_get_ovector_count_8(pcre2_match_data* match_data)
    
    int pcre2_pattern_info_8(
        const pcre2_code* code,
        uint32_t what,
        void* where
    )
    
    uint32_t PCRE2_INFO_CAPTURECOUNT
    uint32_t PCRE2_INFO_NAMECOUNT
    uint32_t PCRE2_INFO_NAMETABLE
    uint32_t PCRE2_INFO_NAMEENTRYSIZE
    uint32_t PCRE2_INFO_JITSIZE
    
    int pcre2_get_error_message_8(
        int errorcode,
        PCRE2_UCHAR* buffer,
        PCRE2_SIZE bufflen
    )
    
    int pcre2_substring_copy_byname_8(
        pcre2_match_data* match_data,
        PCRE2_SPTR name,
        PCRE2_UCHAR* buffer,
        PCRE2_SIZE* bufflen
    )
    
    int pcre2_substring_copy_bynumber_8(
        pcre2_match_data* match_data,
        uint32_t number,
        PCRE2_UCHAR* buffer,
        PCRE2_SIZE* bufflen
    )
    
    int pcre2_substring_get_byname_8(
        pcre2_match_data* match_data,
        PCRE2_SPTR name,
        PCRE2_UCHAR** bufferptr,
        PCRE2_SIZE* bufflen
    )
    
    int pcre2_substring_get_bynumber_8(
        pcre2_match_data* match_data,
        uint32_t number,
        PCRE2_UCHAR** bufferptr,
        PCRE2_SIZE* bufflen
    )
    
    void pcre2_substring_free_8(PCRE2_UCHAR* buffer)


cdef inline pcre2_code* pcre2_compile(
    PCRE2_SPTR pattern,
    PCRE2_SIZE length,
    uint32_t options,
    int* errorcode,
    PCRE2_SIZE* erroroffset,
    pcre2_compile_context* ccontext
) noexcept:
    return pcre2_compile_8(pattern, length, options, errorcode, erroroffset, ccontext)

cdef inline void pcre2_code_free(pcre2_code* code) noexcept:
    pcre2_code_free_8(code)

cdef inline int pcre2_jit_compile(pcre2_code* code, uint32_t options) noexcept:
    return pcre2_jit_compile_8(code, options)

cdef inline pcre2_match_data* pcre2_match_data_create_from_pattern(
    const pcre2_code* code,
    pcre2_general_context* gcontext
) noexcept:
    return pcre2_match_data_create_from_pattern_8(code, gcontext)

cdef inline void pcre2_match_data_free(pcre2_match_data* match_data) noexcept:
    pcre2_match_data_free_8(match_data)

cdef inline int pcre2_match(
    const pcre2_code* code,
    PCRE2_SPTR subject,
    PCRE2_SIZE length,
    PCRE2_SIZE startoffset,
    uint32_t options,
    pcre2_match_data* match_data,
    pcre2_match_context* mcontext
) noexcept:
    return pcre2_match_8(code, subject, length, startoffset, options, match_data, mcontext)

cdef inline int pcre2_jit_match(
    const pcre2_code* code,
    PCRE2_SPTR subject,
    PCRE2_SIZE length,
    PCRE2_SIZE startoffset,
    uint32_t options,
    pcre2_match_data* match_data,
    pcre2_match_context* mcontext
) noexcept:
    return pcre2_jit_match_8(code, subject, length, startoffset, options, match_data, mcontext)

cdef inline PCRE2_SIZE* pcre2_get_ovector_pointer(pcre2_match_data* match_data) noexcept:
    return pcre2_get_ovector_pointer_8(match_data)

cdef inline uint32_t pcre2_get_ovector_count(pcre2_match_data* match_data) noexcept:
    return pcre2_get_ovector_count_8(match_data)

cdef inline int pcre2_pattern_info(const pcre2_code* code, uint32_t what, void* where) noexcept:
    return pcre2_pattern_info_8(code, what, where)

cdef inline int pcre2_get_error_message(int errorcode, PCRE2_UCHAR* buffer, PCRE2_SIZE bufflen) noexcept:
    return pcre2_get_error_message_8(errorcode, buffer, bufflen)