uregex_group

// icuin.dll
#include <windows.h>

INT uregex_group(
    URegularExpression* regexp,
    INT groupNum,
    WORD* dest,
    INT destCapacity,
    UErrorCode* status
);

<DllImport("icuin.dll", ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Function uregex_group(
    ByRef regexp As IntPtr,   ' URegularExpression* in/out
    groupNum As Integer,   ' INT
    ByRef dest As UShort,   ' WORD* in/out
    destCapacity As Integer,   ' INT
    ByRef status As Integer   ' UErrorCode* in/out
) As Integer
End Function

' regexp : URegularExpression* in/out
' groupNum : INT
' dest : WORD* in/out
' destCapacity : INT
' status : UErrorCode* in/out
Declare PtrSafe Function uregex_group Lib "icuin" ( _
    ByRef regexp As LongPtr, _
    ByVal groupNum As Long, _
    ByRef dest As Integer, _
    ByVal destCapacity As Long, _
    ByRef status As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

uregex_group = ctypes.cdll.icuin.uregex_group
uregex_group.restype = ctypes.c_int
uregex_group.argtypes = [
    ctypes.c_void_p,  # regexp : URegularExpression* in/out
    ctypes.c_int,  # groupNum : INT
    ctypes.POINTER(ctypes.c_ushort),  # dest : WORD* in/out
    ctypes.c_int,  # destCapacity : INT
    ctypes.c_void_p,  # status : UErrorCode* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('icuin.dll')
uregex_group = Fiddle::Function.new(
  lib['uregex_group'],
  [
    Fiddle::TYPE_VOIDP,  # regexp : URegularExpression* in/out
    Fiddle::TYPE_INT,  # groupNum : INT
    Fiddle::TYPE_VOIDP,  # dest : WORD* in/out
    Fiddle::TYPE_INT,  # destCapacity : INT
    Fiddle::TYPE_VOIDP,  # status : UErrorCode* in/out
  ],
  Fiddle::TYPE_INT, Fiddle::Function::CDECL)

#[link(name = "icuin")]
extern "C" {
    fn uregex_group(
        regexp: *mut isize,  // URegularExpression* in/out
        groupNum: i32,  // INT
        dest: *mut u16,  // WORD* in/out
        destCapacity: i32,  // INT
        status: *mut i32  // UErrorCode* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("icuin.dll", CallingConvention = CallingConvention.Cdecl)]
public static extern int uregex_group(ref IntPtr regexp, int groupNum, ref ushort dest, int destCapacity, ref int status);
"@
$api = Add-Type -MemberDefinition $sig -Name 'icuin_uregex_group' -Namespace Win32 -PassThru
# $api::uregex_group(regexp, groupNum, dest, destCapacity, status)

#uselib "icuin.dll"
#func global uregex_group "uregex_group" sptr, sptr, sptr, sptr, sptr
; uregex_group varptr(regexp), groupNum, varptr(dest), destCapacity, varptr(status)   ; 戻り値は stat
; regexp : URegularExpression* in/out -> "sptr"
; groupNum : INT -> "sptr"
; dest : WORD* in/out -> "sptr"
; destCapacity : INT -> "sptr"
; status : UErrorCode* in/out -> "sptr"
; ※HSP3.7は #func のため戻り値はシステム変数 stat に格納されます。

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	icuin = windows.NewLazySystemDLL("icuin.dll")
	procuregex_group = icuin.NewProc("uregex_group")
)

// regexp (URegularExpression* in/out), groupNum (INT), dest (WORD* in/out), destCapacity (INT), status (UErrorCode* in/out)
r1, _, err := procuregex_group.Call(
	uintptr(regexp),
	uintptr(groupNum),
	uintptr(dest),
	uintptr(destCapacity),
	uintptr(status),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function uregex_group(
  regexp: Pointer;   // URegularExpression* in/out
  groupNum: Integer;   // INT
  dest: Pointer;   // WORD* in/out
  destCapacity: Integer;   // INT
  status: Pointer   // UErrorCode* in/out
): Integer; cdecl;
  external 'icuin.dll' name 'uregex_group';

result := DllCall("icuin\uregex_group"
    , "Ptr", regexp   ; URegularExpression* in/out
    , "Int", groupNum   ; INT
    , "Ptr", dest   ; WORD* in/out
    , "Int", destCapacity   ; INT
    , "Ptr", status   ; UErrorCode* in/out
    , "Cdecl Int")   ; return: INT

●uregex_group(regexp, groupNum, dest, destCapacity, status) = DLL("icuin.dll", "int uregex_group(void*, int, void*, int, void*)")
# 呼び出し: uregex_group(regexp, groupNum, dest, destCapacity, status)
# regexp : URegularExpression* in/out -> "void*"
# groupNum : INT -> "int"
# dest : WORD* in/out -> "void*"
# destCapacity : INT -> "int"
# status : UErrorCode* in/out -> "void*"
# なでしこ1は32bit・ANSI(Shift_JIS)。文字列=char*(ANSI)、ポインタ/ハンドル=void*(4byte)。
# ※cdecl関数。DLL()宣言はstdcall前提。cdeclは EXEC_PTR(`cdecl`,…) を使用。

const std = @import("std");

extern "icuin" fn uregex_group(
    regexp: [*c]isize, // URegularExpression* in/out
    groupNum: i32, // INT
    dest: [*c]u16, // WORD* in/out
    destCapacity: i32, // INT
    status: [*c]i32 // UErrorCode* in/out
) callconv(.c) i32;

proc uregex_group(
    regexp: ptr int,  # URegularExpression* in/out
    groupNum: int32,  # INT
    dest: ptr uint16,  # WORD* in/out
    destCapacity: int32,  # INT
    status: ptr int32  # UErrorCode* in/out
): int32 {.importc: "uregex_group", cdecl, dynlib: "icuin.dll".}

pragma(lib, "icuin");
extern(C)
int uregex_group(
    ptrdiff_t* regexp,   // URegularExpression* in/out
    int groupNum,   // INT
    ushort* dest,   // WORD* in/out
    int destCapacity,   // INT
    int* status   // UErrorCode* in/out
);

ccall((:uregex_group, "icuin.dll"), Int32,
      (Ptr{Int}, Int32, Ptr{UInt16}, Int32, Ptr{Int32}),
      regexp, groupNum, dest, destCapacity, status)
# regexp : URegularExpression* in/out -> Ptr{Int}
# groupNum : INT -> Int32
# dest : WORD* in/out -> Ptr{UInt16}
# destCapacity : INT -> Int32
# status : UErrorCode* in/out -> Ptr{Int32}

local ffi = require("ffi")
ffi.cdef[[
int32_t uregex_group(
    intptr_t* regexp,
    int32_t groupNum,
    uint16_t* dest,
    int32_t destCapacity,
    int32_t* status);
]]
local icuin = ffi.load("icuin")
-- icuin.uregex_group(regexp, groupNum, dest, destCapacity, status)
-- regexp : URegularExpression* in/out
-- groupNum : INT
-- dest : WORD* in/out
-- destCapacity : INT
-- status : UErrorCode* in/out
-- 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。

const koffi = require('koffi');
const lib = koffi.load('icuin.dll');
const uregex_group = lib.func('__cdecl', 'uregex_group', 'int32_t', ['intptr_t *', 'int32_t', 'uint16_t *', 'int32_t', 'int32_t *']);
// uregex_group(regexp, groupNum, dest, destCapacity, status)
// regexp : URegularExpression* in/out -> 'intptr_t *'
// groupNum : INT -> 'int32_t'
// dest : WORD* in/out -> 'uint16_t *'
// destCapacity : INT -> 'int32_t'
// status : UErrorCode* in/out -> 'int32_t *'
// 出力ポインタは koffi.out(...) で包む。構造体は koffi.struct で定義。

const lib = Deno.dlopen("icuin.dll", {
  uregex_group: { parameters: ["pointer", "i32", "pointer", "i32", "pointer"], result: "i32" },
});
// lib.symbols.uregex_group(regexp, groupNum, dest, destCapacity, status)
// regexp : URegularExpression* in/out -> "pointer"
// groupNum : INT -> "i32"
// dest : WORD* in/out -> "pointer"
// destCapacity : INT -> "i32"
// status : UErrorCode* in/out -> "pointer"
// 文字列引数は "buffer"(NUL 終端のバイト列を Uint8Array で渡す)。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。

<?php
$ffi = FFI::cdef(<<<C
int32_t uregex_group(
    intptr_t* regexp,
    int32_t groupNum,
    uint16_t* dest,
    int32_t destCapacity,
    int32_t* status);
C, "icuin.dll");
// $ffi->uregex_group(regexp, groupNum, dest, destCapacity, status);
// regexp : URegularExpression* in/out
// groupNum : INT
// dest : WORD* in/out
// destCapacity : INT
// status : UErrorCode* in/out
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。

import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;

public interface Icuin extends Library {
    Icuin INSTANCE = Native.load("icuin", Icuin.class);
    int uregex_group(
        LongByReference regexp,   // URegularExpression* in/out
        int groupNum,   // INT
        ShortByReference dest,   // WORD* in/out
        int destCapacity,   // INT
        IntByReference status   // UErrorCode* in/out
    );
}

@[Link("icuin")]
lib Libicuin
  fun uregex_group = uregex_group(
    regexp : LibC::SSizeT*,   # URegularExpression* in/out
    groupNum : Int32,   # INT
    dest : UInt16*,   # WORD* in/out
    destCapacity : Int32,   # INT
    status : Int32*   # UErrorCode* in/out
  ) : Int32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。

import 'dart:ffi';
import 'package:ffi/ffi.dart';

typedef uregex_groupNative = Int32 Function(Pointer<IntPtr>, Int32, Pointer<Uint16>, Int32, Pointer<Int32>);
typedef uregex_groupDart = int Function(Pointer<IntPtr>, int, Pointer<Uint16>, int, Pointer<Int32>);
final uregex_group = DynamicLibrary.open('icuin.dll')
    .lookupFunction<uregex_groupNative, uregex_groupDart>('uregex_group');
// regexp : URegularExpression* in/out -> Pointer<IntPtr>
// groupNum : INT -> Int32
// dest : WORD* in/out -> Pointer<Uint16>
// destCapacity : INT -> Int32
// status : UErrorCode* in/out -> Pointer<Int32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function uregex_group(
  regexp: Pointer;   // URegularExpression* in/out
  groupNum: Integer;   // INT
  dest: Pointer;   // WORD* in/out
  destCapacity: Integer;   // INT
  status: Pointer   // UErrorCode* in/out
): Integer; cdecl;
  external 'icuin.dll' name 'uregex_group';

import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import ccall safe "uregex_group"
  c_uregex_group :: Ptr CIntPtr -> Int32 -> Ptr Word16 -> Int32 -> Ptr Int32 -> IO Int32
-- regexp : URegularExpression* in/out -> Ptr CIntPtr
-- groupNum : INT -> Int32
-- dest : WORD* in/out -> Ptr Word16
-- destCapacity : INT -> Int32
-- status : UErrorCode* in/out -> Ptr Int32
-- 要 GHC(Windows)。stdcall は x64 では ccall として扱われる。ブロックする API は safe 呼び出し推奨。

open Ctypes
open Foreign

let uregex_group =
  foreign "uregex_group"
    ((ptr intptr_t) @-> int32_t @-> (ptr uint16_t) @-> int32_t @-> (ptr int32_t) @-> returning int32_t)
(* regexp : URegularExpression* in/out -> (ptr intptr_t) *)
(* groupNum : INT -> int32_t *)
(* dest : WORD* in/out -> (ptr uint16_t) *)
(* destCapacity : INT -> int32_t *)
(* status : UErrorCode* in/out -> (ptr int32_t) *)
(* foreign は cdecl 前提。x64 Windows では WINAPI と一致。構造体は ctypes structure を定義のこと。 *)

(cffi:define-foreign-library icuin (t "icuin.dll"))
(cffi:use-foreign-library icuin)

(cffi:defcfun ("uregex_group" uregex-group :convention :cdecl) :int32
  (regexp :pointer)   ; URegularExpression* in/out
  (group-num :int32)   ; INT
  (dest :pointer)   ; WORD* in/out
  (dest-capacity :int32)   ; INT
  (status :pointer))   ; UErrorCode* in/out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $uregex_group = Win32::API::More->new('icuin',
    'int uregex_group(LPVOID regexp, int groupNum, LPVOID dest, int destCapacity, LPVOID status)');
# my $ret = $uregex_group->Call($regexp, $groupNum, $dest, $destCapacity, $status);
# regexp : URegularExpression* in/out -> LPVOID
# groupNum : INT -> int
# dest : WORD* in/out -> LPVOID
# destCapacity : INT -> int
# status : UErrorCode* in/out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。