WsReadXmlBuffer

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

HRESULT WsReadXmlBuffer(
    WS_XML_READER* reader,
    WS_HEAP* heap,
    WS_XML_BUFFER** xmlBuffer,
    WS_ERROR* error   // optional
);

<DllImport("webservices.dll", ExactSpelling:=True)>
Public Shared Function WsReadXmlBuffer(
    ByRef reader As IntPtr,   ' WS_XML_READER*
    ByRef heap As IntPtr,   ' WS_HEAP*
    xmlBuffer As IntPtr,   ' WS_XML_BUFFER** out
    [error] As IntPtr   ' WS_ERROR* optional
) As Integer
End Function

' reader : WS_XML_READER*
' heap : WS_HEAP*
' xmlBuffer : WS_XML_BUFFER** out
' error : WS_ERROR* optional
Declare PtrSafe Function WsReadXmlBuffer Lib "webservices" ( _
    ByRef reader As LongPtr, _
    ByRef heap As LongPtr, _
    ByVal xmlBuffer As LongPtr, _
    ByVal error As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

WsReadXmlBuffer = ctypes.windll.webservices.WsReadXmlBuffer
WsReadXmlBuffer.restype = ctypes.c_int
WsReadXmlBuffer.argtypes = [
    ctypes.c_void_p,  # reader : WS_XML_READER*
    ctypes.c_void_p,  # heap : WS_HEAP*
    ctypes.c_void_p,  # xmlBuffer : WS_XML_BUFFER** out
    ctypes.c_void_p,  # error : WS_ERROR* optional
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('webservices.dll')
WsReadXmlBuffer = Fiddle::Function.new(
  lib['WsReadXmlBuffer'],
  [
    Fiddle::TYPE_VOIDP,  # reader : WS_XML_READER*
    Fiddle::TYPE_VOIDP,  # heap : WS_HEAP*
    Fiddle::TYPE_VOIDP,  # xmlBuffer : WS_XML_BUFFER** out
    Fiddle::TYPE_VOIDP,  # error : WS_ERROR* optional
  ],
  Fiddle::TYPE_INT)

#[link(name = "webservices")]
extern "system" {
    fn WsReadXmlBuffer(
        reader: *mut isize,  // WS_XML_READER*
        heap: *mut isize,  // WS_HEAP*
        xmlBuffer: *mut *mut isize,  // WS_XML_BUFFER** out
        error: *mut isize  // WS_ERROR* optional
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("webservices.dll")]
public static extern int WsReadXmlBuffer(ref IntPtr reader, ref IntPtr heap, IntPtr xmlBuffer, IntPtr error);
"@
$api = Add-Type -MemberDefinition $sig -Name 'webservices_WsReadXmlBuffer' -Namespace Win32 -PassThru
# $api::WsReadXmlBuffer(reader, heap, xmlBuffer, error)

#uselib "webservices.dll"
#func global WsReadXmlBuffer "WsReadXmlBuffer" sptr, sptr, sptr, sptr
; WsReadXmlBuffer varptr(reader), varptr(heap), varptr(xmlBuffer), varptr(error)   ; 戻り値は stat
; reader : WS_XML_READER* -> "sptr"
; heap : WS_HEAP* -> "sptr"
; xmlBuffer : WS_XML_BUFFER** out -> "sptr"
; error : WS_ERROR* optional -> "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 (
	webservices = windows.NewLazySystemDLL("webservices.dll")
	procWsReadXmlBuffer = webservices.NewProc("WsReadXmlBuffer")
)

// reader (WS_XML_READER*), heap (WS_HEAP*), xmlBuffer (WS_XML_BUFFER** out), error (WS_ERROR* optional)
r1, _, err := procWsReadXmlBuffer.Call(
	uintptr(reader),
	uintptr(heap),
	uintptr(xmlBuffer),
	uintptr(error),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function WsReadXmlBuffer(
  reader: Pointer;   // WS_XML_READER*
  heap: Pointer;   // WS_HEAP*
  xmlBuffer: Pointer;   // WS_XML_BUFFER** out
  error: Pointer   // WS_ERROR* optional
): Integer; stdcall;
  external 'webservices.dll' name 'WsReadXmlBuffer';

result := DllCall("webservices\WsReadXmlBuffer"
    , "Ptr", reader   ; WS_XML_READER*
    , "Ptr", heap   ; WS_HEAP*
    , "Ptr", xmlBuffer   ; WS_XML_BUFFER** out
    , "Ptr", error   ; WS_ERROR* optional
    , "Int")   ; return: HRESULT

●WsReadXmlBuffer(reader, heap, xmlBuffer, error) = DLL("webservices.dll", "int WsReadXmlBuffer(void*, void*, void*, void*)")
# 呼び出し: WsReadXmlBuffer(reader, heap, xmlBuffer, error)
# reader : WS_XML_READER* -> "void*"
# heap : WS_HEAP* -> "void*"
# xmlBuffer : WS_XML_BUFFER** out -> "void*"
# error : WS_ERROR* optional -> "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)。

const std = @import("std");

extern "webservices" fn WsReadXmlBuffer(
    reader: [*c]isize, // WS_XML_READER*
    heap: [*c]isize, // WS_HEAP*
    xmlBuffer: [*c][*c]isize, // WS_XML_BUFFER** out
    error: [*c]isize // WS_ERROR* optional
) callconv(std.os.windows.WINAPI) i32;

proc WsReadXmlBuffer(
    reader: ptr int,  # WS_XML_READER*
    heap: ptr int,  # WS_HEAP*
    xmlBuffer: ptr int,  # WS_XML_BUFFER** out
    error: ptr int  # WS_ERROR* optional
): int32 {.importc: "WsReadXmlBuffer", stdcall, dynlib: "webservices.dll".}

pragma(lib, "webservices");
extern(Windows)
int WsReadXmlBuffer(
    ptrdiff_t* reader,   // WS_XML_READER*
    ptrdiff_t* heap,   // WS_HEAP*
    ptrdiff_t** xmlBuffer,   // WS_XML_BUFFER** out
    ptrdiff_t* error   // WS_ERROR* optional
);

ccall((:WsReadXmlBuffer, "webservices.dll"), stdcall, Int32,
      (Ptr{Int}, Ptr{Int}, Ptr{Int}, Ptr{Int}),
      reader, heap, xmlBuffer, error)
# reader : WS_XML_READER* -> Ptr{Int}
# heap : WS_HEAP* -> Ptr{Int}
# xmlBuffer : WS_XML_BUFFER** out -> Ptr{Int}
# error : WS_ERROR* optional -> Ptr{Int}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t WsReadXmlBuffer(
    intptr_t* reader,
    intptr_t* heap,
    intptr_t** xmlBuffer,
    intptr_t* error);
]]
local webservices = ffi.load("webservices")
-- webservices.WsReadXmlBuffer(reader, heap, xmlBuffer, error)
-- reader : WS_XML_READER*
-- heap : WS_HEAP*
-- xmlBuffer : WS_XML_BUFFER** out
-- error : WS_ERROR* optional
-- 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('webservices.dll');
const WsReadXmlBuffer = lib.func('__stdcall', 'WsReadXmlBuffer', 'int32_t', ['intptr_t *', 'intptr_t *', 'intptr_t *', 'intptr_t *']);
// WsReadXmlBuffer(reader, heap, xmlBuffer, error)
// reader : WS_XML_READER* -> 'intptr_t *'
// heap : WS_HEAP* -> 'intptr_t *'
// xmlBuffer : WS_XML_BUFFER** out -> 'intptr_t *'
// error : WS_ERROR* optional -> 'intptr_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("webservices.dll", {
  WsReadXmlBuffer: { parameters: ["pointer", "pointer", "pointer", "pointer"], result: "i32" },
});
// lib.symbols.WsReadXmlBuffer(reader, heap, xmlBuffer, error)
// reader : WS_XML_READER* -> "pointer"
// heap : WS_HEAP* -> "pointer"
// xmlBuffer : WS_XML_BUFFER** out -> "pointer"
// error : WS_ERROR* optional -> "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 WsReadXmlBuffer(
    intptr_t* reader,
    intptr_t* heap,
    intptr_t** xmlBuffer,
    intptr_t* error);
C, "webservices.dll");
// $ffi->WsReadXmlBuffer(reader, heap, xmlBuffer, error);
// reader : WS_XML_READER*
// heap : WS_HEAP*
// xmlBuffer : WS_XML_BUFFER** out
// error : WS_ERROR* optional
// 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。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。

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

public interface Webservices extends StdCallLibrary {
    Webservices INSTANCE = Native.load("webservices", Webservices.class);
    int WsReadXmlBuffer(
        LongByReference reader,   // WS_XML_READER*
        LongByReference heap,   // WS_HEAP*
        Pointer xmlBuffer,   // WS_XML_BUFFER** out
        LongByReference error   // WS_ERROR* optional
    );
}

@[Link("webservices")]
lib Libwebservices
  fun WsReadXmlBuffer = WsReadXmlBuffer(
    reader : LibC::SSizeT*,   # WS_XML_READER*
    heap : LibC::SSizeT*,   # WS_HEAP*
    xmlBuffer : LibC::SSizeT**,   # WS_XML_BUFFER** out
    error : LibC::SSizeT*   # WS_ERROR* optional
  ) : Int32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。

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

typedef WsReadXmlBufferNative = Int32 Function(Pointer<IntPtr>, Pointer<IntPtr>, Pointer<IntPtr>, Pointer<IntPtr>);
typedef WsReadXmlBufferDart = int Function(Pointer<IntPtr>, Pointer<IntPtr>, Pointer<IntPtr>, Pointer<IntPtr>);
final WsReadXmlBuffer = DynamicLibrary.open('webservices.dll')
    .lookupFunction<WsReadXmlBufferNative, WsReadXmlBufferDart>('WsReadXmlBuffer');
// reader : WS_XML_READER* -> Pointer<IntPtr>
// heap : WS_HEAP* -> Pointer<IntPtr>
// xmlBuffer : WS_XML_BUFFER** out -> Pointer<IntPtr>
// error : WS_ERROR* optional -> Pointer<IntPtr>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function WsReadXmlBuffer(
  reader: Pointer;   // WS_XML_READER*
  heap: Pointer;   // WS_HEAP*
  xmlBuffer: Pointer;   // WS_XML_BUFFER** out
  error: Pointer   // WS_ERROR* optional
): Integer; stdcall;
  external 'webservices.dll' name 'WsReadXmlBuffer';

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

foreign import stdcall safe "WsReadXmlBuffer"
  c_WsReadXmlBuffer :: Ptr CIntPtr -> Ptr CIntPtr -> Ptr CIntPtr -> Ptr CIntPtr -> IO Int32
-- reader : WS_XML_READER* -> Ptr CIntPtr
-- heap : WS_HEAP* -> Ptr CIntPtr
-- xmlBuffer : WS_XML_BUFFER** out -> Ptr CIntPtr
-- error : WS_ERROR* optional -> Ptr CIntPtr
-- 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 wsreadxmlbuffer =
  foreign "WsReadXmlBuffer"
    ((ptr intptr_t) @-> (ptr intptr_t) @-> (ptr intptr_t) @-> (ptr intptr_t) @-> returning int32_t)
(* reader : WS_XML_READER* -> (ptr intptr_t) *)
(* heap : WS_HEAP* -> (ptr intptr_t) *)
(* xmlBuffer : WS_XML_BUFFER** out -> (ptr intptr_t) *)
(* error : WS_ERROR* optional -> (ptr intptr_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 webservices (t "webservices.dll"))
(cffi:use-foreign-library webservices)

(cffi:defcfun ("WsReadXmlBuffer" ws-read-xml-buffer :convention :stdcall) :int32
  (reader :pointer)   ; WS_XML_READER*
  (heap :pointer)   ; WS_HEAP*
  (xml-buffer :pointer)   ; WS_XML_BUFFER** out
  (error :pointer))   ; WS_ERROR* optional
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $WsReadXmlBuffer = Win32::API::More->new('webservices',
    'int WsReadXmlBuffer(LPVOID reader, LPVOID heap, LPVOID xmlBuffer, LPVOID error)');
# my $ret = $WsReadXmlBuffer->Call($reader, $heap, $xmlBuffer, $error);
# reader : WS_XML_READER* -> LPVOID
# heap : WS_HEAP* -> LPVOID
# xmlBuffer : WS_XML_BUFFER** out -> LPVOID
# error : WS_ERROR* optional -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。