uset_toPattern

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

INT uset_toPattern(
    const USet* set,
    WORD* result,
    INT resultCapacity,
    CHAR escapeUnprintable,
    UErrorCode* ec
);

<DllImport("icuuc.dll", ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Function uset_toPattern(
    ByRef [set] As IntPtr,   ' USet*
    ByRef result As UShort,   ' WORD* in/out
    resultCapacity As Integer,   ' INT
    escapeUnprintable As SByte,   ' CHAR
    ByRef ec As Integer   ' UErrorCode* in/out
) As Integer
End Function

' set : USet*
' result : WORD* in/out
' resultCapacity : INT
' escapeUnprintable : CHAR
' ec : UErrorCode* in/out
Declare PtrSafe Function uset_toPattern Lib "icuuc" ( _
    ByRef set As LongPtr, _
    ByRef result As Integer, _
    ByVal resultCapacity As Long, _
    ByVal escapeUnprintable As Byte, _
    ByRef ec 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

uset_toPattern = ctypes.cdll.icuuc.uset_toPattern
uset_toPattern.restype = ctypes.c_int
uset_toPattern.argtypes = [
    ctypes.c_void_p,  # set : USet*
    ctypes.POINTER(ctypes.c_ushort),  # result : WORD* in/out
    ctypes.c_int,  # resultCapacity : INT
    ctypes.c_byte,  # escapeUnprintable : CHAR
    ctypes.c_void_p,  # ec : UErrorCode* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('icuuc.dll')
uset_toPattern = Fiddle::Function.new(
  lib['uset_toPattern'],
  [
    Fiddle::TYPE_VOIDP,  # set : USet*
    Fiddle::TYPE_VOIDP,  # result : WORD* in/out
    Fiddle::TYPE_INT,  # resultCapacity : INT
    Fiddle::TYPE_CHAR,  # escapeUnprintable : CHAR
    Fiddle::TYPE_VOIDP,  # ec : UErrorCode* in/out
  ],
  Fiddle::TYPE_INT, Fiddle::Function::CDECL)

#[link(name = "icuuc")]
extern "C" {
    fn uset_toPattern(
        set: *const isize,  // USet*
        result: *mut u16,  // WORD* in/out
        resultCapacity: i32,  // INT
        escapeUnprintable: i8,  // CHAR
        ec: *mut i32  // UErrorCode* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("icuuc.dll", CallingConvention = CallingConvention.Cdecl)]
public static extern int uset_toPattern(ref IntPtr set, ref ushort result, int resultCapacity, sbyte escapeUnprintable, ref int ec);
"@
$api = Add-Type -MemberDefinition $sig -Name 'icuuc_uset_toPattern' -Namespace Win32 -PassThru
# $api::uset_toPattern(set, result, resultCapacity, escapeUnprintable, ec)

#uselib "icuuc.dll"
#func global uset_toPattern "uset_toPattern" sptr, sptr, sptr, sptr, sptr
; uset_toPattern varptr(set), varptr(result), resultCapacity, escapeUnprintable, varptr(ec)   ; 戻り値は stat
; set : USet* -> "sptr"
; result : WORD* in/out -> "sptr"
; resultCapacity : INT -> "sptr"
; escapeUnprintable : CHAR -> "sptr"
; ec : 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 (
	icuuc = windows.NewLazySystemDLL("icuuc.dll")
	procuset_toPattern = icuuc.NewProc("uset_toPattern")
)

// set (USet*), result (WORD* in/out), resultCapacity (INT), escapeUnprintable (CHAR), ec (UErrorCode* in/out)
r1, _, err := procuset_toPattern.Call(
	uintptr(set),
	uintptr(result),
	uintptr(resultCapacity),
	uintptr(escapeUnprintable),
	uintptr(ec),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function uset_toPattern(
  set: Pointer;   // USet*
  result: Pointer;   // WORD* in/out
  resultCapacity: Integer;   // INT
  escapeUnprintable: Shortint;   // CHAR
  ec: Pointer   // UErrorCode* in/out
): Integer; cdecl;
  external 'icuuc.dll' name 'uset_toPattern';

result := DllCall("icuuc\uset_toPattern"
    , "Ptr", set   ; USet*
    , "Ptr", result   ; WORD* in/out
    , "Int", resultCapacity   ; INT
    , "Char", escapeUnprintable   ; CHAR
    , "Ptr", ec   ; UErrorCode* in/out
    , "Cdecl Int")   ; return: INT

●uset_toPattern(set, result, resultCapacity, escapeUnprintable, ec) = DLL("icuuc.dll", "int uset_toPattern(void*, void*, int, char, void*)")
# 呼び出し: uset_toPattern(set, result, resultCapacity, escapeUnprintable, ec)
# set : USet* -> "void*"
# result : WORD* in/out -> "void*"
# resultCapacity : INT -> "int"
# escapeUnprintable : CHAR -> "char"
# ec : 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 "icuuc" fn uset_toPattern(
    set: [*c]isize, // USet*
    result: [*c]u16, // WORD* in/out
    resultCapacity: i32, // INT
    escapeUnprintable: i8, // CHAR
    ec: [*c]i32 // UErrorCode* in/out
) callconv(.c) i32;

proc uset_toPattern(
    set: ptr int,  # USet*
    result: ptr uint16,  # WORD* in/out
    resultCapacity: int32,  # INT
    escapeUnprintable: int8,  # CHAR
    ec: ptr int32  # UErrorCode* in/out
): int32 {.importc: "uset_toPattern", cdecl, dynlib: "icuuc.dll".}

pragma(lib, "icuuc");
extern(C)
int uset_toPattern(
    ptrdiff_t* set,   // USet*
    ushort* result,   // WORD* in/out
    int resultCapacity,   // INT
    byte escapeUnprintable,   // CHAR
    int* ec   // UErrorCode* in/out
);

ccall((:uset_toPattern, "icuuc.dll"), Int32,
      (Ptr{Int}, Ptr{UInt16}, Int32, Int8, Ptr{Int32}),
      set, result, resultCapacity, escapeUnprintable, ec)
# set : USet* -> Ptr{Int}
# result : WORD* in/out -> Ptr{UInt16}
# resultCapacity : INT -> Int32
# escapeUnprintable : CHAR -> Int8
# ec : UErrorCode* in/out -> Ptr{Int32}

local ffi = require("ffi")
ffi.cdef[[
int32_t uset_toPattern(
    intptr_t* set,
    uint16_t* result,
    int32_t resultCapacity,
    int8_t escapeUnprintable,
    int32_t* ec);
]]
local icuuc = ffi.load("icuuc")
-- icuuc.uset_toPattern(set, result, resultCapacity, escapeUnprintable, ec)
-- set : USet*
-- result : WORD* in/out
-- resultCapacity : INT
-- escapeUnprintable : CHAR
-- ec : 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('icuuc.dll');
const uset_toPattern = lib.func('__cdecl', 'uset_toPattern', 'int32_t', ['intptr_t *', 'uint16_t *', 'int32_t', 'int8_t', 'int32_t *']);
// uset_toPattern(set, result, resultCapacity, escapeUnprintable, ec)
// set : USet* -> 'intptr_t *'
// result : WORD* in/out -> 'uint16_t *'
// resultCapacity : INT -> 'int32_t'
// escapeUnprintable : CHAR -> 'int8_t'
// ec : 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("icuuc.dll", {
  uset_toPattern: { parameters: ["pointer", "pointer", "i32", "i8", "pointer"], result: "i32" },
});
// lib.symbols.uset_toPattern(set, result, resultCapacity, escapeUnprintable, ec)
// set : USet* -> "pointer"
// result : WORD* in/out -> "pointer"
// resultCapacity : INT -> "i32"
// escapeUnprintable : CHAR -> "i8"
// ec : 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 uset_toPattern(
    intptr_t* set,
    uint16_t* result,
    int32_t resultCapacity,
    int8_t escapeUnprintable,
    int32_t* ec);
C, "icuuc.dll");
// $ffi->uset_toPattern(set, result, resultCapacity, escapeUnprintable, ec);
// set : USet*
// result : WORD* in/out
// resultCapacity : INT
// escapeUnprintable : CHAR
// ec : 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 Icuuc extends Library {
    Icuuc INSTANCE = Native.load("icuuc", Icuuc.class);
    int uset_toPattern(
        LongByReference set,   // USet*
        ShortByReference result,   // WORD* in/out
        int resultCapacity,   // INT
        byte escapeUnprintable,   // CHAR
        IntByReference ec   // UErrorCode* in/out
    );
}

@[Link("icuuc")]
lib Libicuuc
  fun uset_toPattern = uset_toPattern(
    set : LibC::SSizeT*,   # USet*
    result : UInt16*,   # WORD* in/out
    resultCapacity : Int32,   # INT
    escapeUnprintable : Int8,   # CHAR
    ec : 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 uset_toPatternNative = Int32 Function(Pointer<IntPtr>, Pointer<Uint16>, Int32, Int8, Pointer<Int32>);
typedef uset_toPatternDart = int Function(Pointer<IntPtr>, Pointer<Uint16>, int, int, Pointer<Int32>);
final uset_toPattern = DynamicLibrary.open('icuuc.dll')
    .lookupFunction<uset_toPatternNative, uset_toPatternDart>('uset_toPattern');
// set : USet* -> Pointer<IntPtr>
// result : WORD* in/out -> Pointer<Uint16>
// resultCapacity : INT -> Int32
// escapeUnprintable : CHAR -> Int8
// ec : UErrorCode* in/out -> Pointer<Int32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function uset_toPattern(
  set: Pointer;   // USet*
  result: Pointer;   // WORD* in/out
  resultCapacity: Integer;   // INT
  escapeUnprintable: Shortint;   // CHAR
  ec: Pointer   // UErrorCode* in/out
): Integer; cdecl;
  external 'icuuc.dll' name 'uset_toPattern';

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

foreign import ccall safe "uset_toPattern"
  c_uset_toPattern :: Ptr CIntPtr -> Ptr Word16 -> Int32 -> Int8 -> Ptr Int32 -> IO Int32
-- set : USet* -> Ptr CIntPtr
-- result : WORD* in/out -> Ptr Word16
-- resultCapacity : INT -> Int32
-- escapeUnprintable : CHAR -> Int8
-- ec : 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 uset_topattern =
  foreign "uset_toPattern"
    ((ptr intptr_t) @-> (ptr uint16_t) @-> int32_t @-> int8_t @-> (ptr int32_t) @-> returning int32_t)
(* set : USet* -> (ptr intptr_t) *)
(* result : WORD* in/out -> (ptr uint16_t) *)
(* resultCapacity : INT -> int32_t *)
(* escapeUnprintable : CHAR -> int8_t *)
(* ec : 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 icuuc (t "icuuc.dll"))
(cffi:use-foreign-library icuuc)

(cffi:defcfun ("uset_toPattern" uset-to-pattern :convention :cdecl) :int32
  (set :pointer)   ; USet*
  (result :pointer)   ; WORD* in/out
  (result-capacity :int32)   ; INT
  (escape-unprintable :int8)   ; CHAR
  (ec :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 $uset_toPattern = Win32::API::More->new('icuuc',
    'int uset_toPattern(LPVOID set, LPVOID result, int resultCapacity, char escapeUnprintable, LPVOID ec)');
# my $ret = $uset_toPattern->Call($set, $result, $resultCapacity, $escapeUnprintable, $ec);
# set : USet* -> LPVOID
# result : WORD* in/out -> LPVOID
# resultCapacity : INT -> int
# escapeUnprintable : CHAR -> char
# ec : 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。