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WsReadXmlBufferFromBytes

関数

バイト列からXMLバッファを読み込む。

DLLwebservices.dll呼出規約winapi対応OSWindows 7 以降

シグネチャ

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

HRESULT WsReadXmlBufferFromBytes(
    WS_XML_READER* reader,
    const WS_XML_READER_ENCODING* encoding,   // optional
    const WS_XML_READER_PROPERTY* properties,   // optional
    DWORD propertyCount,
    const void* bytes,
    DWORD byteCount,
    WS_HEAP* heap,
    WS_XML_BUFFER** xmlBuffer,
    WS_ERROR* error   // optional
);

パラメーター

名前	型	方向	説明
reader	WS_XML_READER*	in	デシリアライズに用いるXMLリーダー。
encoding	WS_XML_READER_ENCODING*	inoptional	入力バイト列のエンコーディング指定。NULL可。
properties	WS_XML_READER_PROPERTY*	inoptional	リーダーの構成プロパティ配列。NULL可。
propertyCount	DWORD	in	properties配列の要素数。
bytes	void*	in	解析する入力バイト列へのポインタ。
byteCount	DWORD	in	bytesのバイト数。
heap	WS_HEAP*	in	生成バッファの確保に使うWS_HEAPヒープ。
xmlBuffer	WS_XML_BUFFER**	out	生成されたXMLバッファを受け取る出力ポインタ。
error	WS_ERROR*	inoptional	失敗時の追加エラー情報を格納するWS_ERRORオブジェクト。NULL可。

戻り値の型: HRESULT

各言語での呼び出し定義

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

HRESULT WsReadXmlBufferFromBytes(
    WS_XML_READER* reader,
    const WS_XML_READER_ENCODING* encoding,   // optional
    const WS_XML_READER_PROPERTY* properties,   // optional
    DWORD propertyCount,
    const void* bytes,
    DWORD byteCount,
    WS_HEAP* heap,
    WS_XML_BUFFER** xmlBuffer,
    WS_ERROR* error   // optional
);

[DllImport("webservices.dll", ExactSpelling = true)]
static extern int WsReadXmlBufferFromBytes(
    ref IntPtr reader,   // WS_XML_READER*
    IntPtr encoding,   // WS_XML_READER_ENCODING* optional
    IntPtr properties,   // WS_XML_READER_PROPERTY* optional
    uint propertyCount,   // DWORD
    IntPtr bytes,   // void*
    uint byteCount,   // DWORD
    ref IntPtr heap,   // WS_HEAP*
    IntPtr xmlBuffer,   // WS_XML_BUFFER** out
    IntPtr error   // WS_ERROR* optional
);

<DllImport("webservices.dll", ExactSpelling:=True)>
Public Shared Function WsReadXmlBufferFromBytes(
    ByRef reader As IntPtr,   ' WS_XML_READER*
    encoding As IntPtr,   ' WS_XML_READER_ENCODING* optional
    properties As IntPtr,   ' WS_XML_READER_PROPERTY* optional
    propertyCount As UInteger,   ' DWORD
    bytes As IntPtr,   ' void*
    byteCount As UInteger,   ' DWORD
    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*
' encoding : WS_XML_READER_ENCODING* optional
' properties : WS_XML_READER_PROPERTY* optional
' propertyCount : DWORD
' bytes : void*
' byteCount : DWORD
' heap : WS_HEAP*
' xmlBuffer : WS_XML_BUFFER** out
' error : WS_ERROR* optional
Declare PtrSafe Function WsReadXmlBufferFromBytes Lib "webservices" ( _
    ByRef reader As LongPtr, _
    ByVal encoding As LongPtr, _
    ByVal properties As LongPtr, _
    ByVal propertyCount As Long, _
    ByVal bytes As LongPtr, _
    ByVal byteCount As Long, _
    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

WsReadXmlBufferFromBytes = ctypes.windll.webservices.WsReadXmlBufferFromBytes
WsReadXmlBufferFromBytes.restype = ctypes.c_int
WsReadXmlBufferFromBytes.argtypes = [
    ctypes.c_void_p,  # reader : WS_XML_READER*
    ctypes.c_void_p,  # encoding : WS_XML_READER_ENCODING* optional
    ctypes.c_void_p,  # properties : WS_XML_READER_PROPERTY* optional
    wintypes.DWORD,  # propertyCount : DWORD
    ctypes.POINTER(None),  # bytes : void*
    wintypes.DWORD,  # byteCount : DWORD
    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')
WsReadXmlBufferFromBytes = Fiddle::Function.new(
  lib['WsReadXmlBufferFromBytes'],
  [
    Fiddle::TYPE_VOIDP,  # reader : WS_XML_READER*
    Fiddle::TYPE_VOIDP,  # encoding : WS_XML_READER_ENCODING* optional
    Fiddle::TYPE_VOIDP,  # properties : WS_XML_READER_PROPERTY* optional
    -Fiddle::TYPE_INT,  # propertyCount : DWORD
    Fiddle::TYPE_VOIDP,  # bytes : void*
    -Fiddle::TYPE_INT,  # byteCount : DWORD
    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 WsReadXmlBufferFromBytes(
        reader: *mut isize,  // WS_XML_READER*
        encoding: *const WS_XML_READER_ENCODING,  // WS_XML_READER_ENCODING* optional
        properties: *const WS_XML_READER_PROPERTY,  // WS_XML_READER_PROPERTY* optional
        propertyCount: u32,  // DWORD
        bytes: *const (),  // void*
        byteCount: u32,  // DWORD
        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 WsReadXmlBufferFromBytes(ref IntPtr reader, IntPtr encoding, IntPtr properties, uint propertyCount, IntPtr bytes, uint byteCount, ref IntPtr heap, IntPtr xmlBuffer, IntPtr error);
"@
$api = Add-Type -MemberDefinition $sig -Name 'webservices_WsReadXmlBufferFromBytes' -Namespace Win32 -PassThru
# $api::WsReadXmlBufferFromBytes(reader, encoding, properties, propertyCount, bytes, byteCount, heap, xmlBuffer, error)

#uselib "webservices.dll"
#func global WsReadXmlBufferFromBytes "WsReadXmlBufferFromBytes" sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr
; WsReadXmlBufferFromBytes varptr(reader), varptr(encoding), varptr(properties), propertyCount, bytes, byteCount, varptr(heap), varptr(xmlBuffer), varptr(error)   ; 戻り値は stat
; reader : WS_XML_READER* -> "sptr"
; encoding : WS_XML_READER_ENCODING* optional -> "sptr"
; properties : WS_XML_READER_PROPERTY* optional -> "sptr"
; propertyCount : DWORD -> "sptr"
; bytes : void* -> "sptr"
; byteCount : DWORD -> "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。

出力引数:

#uselib "webservices.dll"
#cfunc global WsReadXmlBufferFromBytes "WsReadXmlBufferFromBytes" var, var, var, int, sptr, int, var, var, var
; res = WsReadXmlBufferFromBytes(reader, encoding, properties, propertyCount, bytes, byteCount, heap, xmlBuffer, error)
; reader : WS_XML_READER* -> "var"
; encoding : WS_XML_READER_ENCODING* optional -> "var"
; properties : WS_XML_READER_PROPERTY* optional -> "var"
; propertyCount : DWORD -> "int"
; bytes : void* -> "sptr"
; byteCount : DWORD -> "int"
; heap : WS_HEAP* -> "var"
; xmlBuffer : WS_XML_BUFFER** out -> "var"
; error : WS_ERROR* optional -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。#uselib "webservices.dll"
#cfunc global WsReadXmlBufferFromBytes "WsReadXmlBufferFromBytes" sptr, sptr, sptr, int, sptr, int, sptr, sptr, sptr
; res = WsReadXmlBufferFromBytes(varptr(reader), varptr(encoding), varptr(properties), propertyCount, bytes, byteCount, varptr(heap), varptr(xmlBuffer), varptr(error))
; reader : WS_XML_READER* -> "sptr"
; encoding : WS_XML_READER_ENCODING* optional -> "sptr"
; properties : WS_XML_READER_PROPERTY* optional -> "sptr"
; propertyCount : DWORD -> "int"
; bytes : void* -> "sptr"
; byteCount : DWORD -> "int"
; heap : WS_HEAP* -> "sptr"
; xmlBuffer : WS_XML_BUFFER** out -> "sptr"
; error : WS_ERROR* optional -> "sptr"
; ※出力/バッファ引数はポインタ方式(token=sptr / 呼び出しは varptr(変数))。

出力引数:

; HRESULT WsReadXmlBufferFromBytes(WS_XML_READER* reader, WS_XML_READER_ENCODING* encoding, WS_XML_READER_PROPERTY* properties, DWORD propertyCount, void* bytes, DWORD byteCount, WS_HEAP* heap, WS_XML_BUFFER** xmlBuffer, WS_ERROR* error)
#uselib "webservices.dll"
#cfunc global WsReadXmlBufferFromBytes "WsReadXmlBufferFromBytes" var, var, var, int, intptr, int, var, var, var
; res = WsReadXmlBufferFromBytes(reader, encoding, properties, propertyCount, bytes, byteCount, heap, xmlBuffer, error)
; reader : WS_XML_READER* -> "var"
; encoding : WS_XML_READER_ENCODING* optional -> "var"
; properties : WS_XML_READER_PROPERTY* optional -> "var"
; propertyCount : DWORD -> "int"
; bytes : void* -> "intptr"
; byteCount : DWORD -> "int"
; heap : WS_HEAP* -> "var"
; xmlBuffer : WS_XML_BUFFER** out -> "var"
; error : WS_ERROR* optional -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。; HRESULT WsReadXmlBufferFromBytes(WS_XML_READER* reader, WS_XML_READER_ENCODING* encoding, WS_XML_READER_PROPERTY* properties, DWORD propertyCount, void* bytes, DWORD byteCount, WS_HEAP* heap, WS_XML_BUFFER** xmlBuffer, WS_ERROR* error)
#uselib "webservices.dll"
#cfunc global WsReadXmlBufferFromBytes "WsReadXmlBufferFromBytes" intptr, intptr, intptr, int, intptr, int, intptr, intptr, intptr
; res = WsReadXmlBufferFromBytes(varptr(reader), varptr(encoding), varptr(properties), propertyCount, bytes, byteCount, varptr(heap), varptr(xmlBuffer), varptr(error))
; reader : WS_XML_READER* -> "intptr"
; encoding : WS_XML_READER_ENCODING* optional -> "intptr"
; properties : WS_XML_READER_PROPERTY* optional -> "intptr"
; propertyCount : DWORD -> "int"
; bytes : void* -> "intptr"
; byteCount : DWORD -> "int"
; heap : WS_HEAP* -> "intptr"
; xmlBuffer : WS_XML_BUFFER** out -> "intptr"
; error : WS_ERROR* optional -> "intptr"
; ※出力/バッファ引数はポインタ方式(token=intptr / 呼び出しは varptr(変数))。

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

var (
	webservices = windows.NewLazySystemDLL("webservices.dll")
	procWsReadXmlBufferFromBytes = webservices.NewProc("WsReadXmlBufferFromBytes")
)

// reader (WS_XML_READER*), encoding (WS_XML_READER_ENCODING* optional), properties (WS_XML_READER_PROPERTY* optional), propertyCount (DWORD), bytes (void*), byteCount (DWORD), heap (WS_HEAP*), xmlBuffer (WS_XML_BUFFER** out), error (WS_ERROR* optional)
r1, _, err := procWsReadXmlBufferFromBytes.Call(
	uintptr(reader),
	uintptr(encoding),
	uintptr(properties),
	uintptr(propertyCount),
	uintptr(bytes),
	uintptr(byteCount),
	uintptr(heap),
	uintptr(xmlBuffer),
	uintptr(error),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function WsReadXmlBufferFromBytes(
  reader: Pointer;   // WS_XML_READER*
  encoding: Pointer;   // WS_XML_READER_ENCODING* optional
  properties: Pointer;   // WS_XML_READER_PROPERTY* optional
  propertyCount: DWORD;   // DWORD
  bytes: Pointer;   // void*
  byteCount: DWORD;   // DWORD
  heap: Pointer;   // WS_HEAP*
  xmlBuffer: Pointer;   // WS_XML_BUFFER** out
  error: Pointer   // WS_ERROR* optional
): Integer; stdcall;
  external 'webservices.dll' name 'WsReadXmlBufferFromBytes';

result := DllCall("webservices\WsReadXmlBufferFromBytes"
    , "Ptr", reader   ; WS_XML_READER*
    , "Ptr", encoding   ; WS_XML_READER_ENCODING* optional
    , "Ptr", properties   ; WS_XML_READER_PROPERTY* optional
    , "UInt", propertyCount   ; DWORD
    , "Ptr", bytes   ; void*
    , "UInt", byteCount   ; DWORD
    , "Ptr", heap   ; WS_HEAP*
    , "Ptr", xmlBuffer   ; WS_XML_BUFFER** out
    , "Ptr", error   ; WS_ERROR* optional
    , "Int")   ; return: HRESULT

●WsReadXmlBufferFromBytes(reader, encoding, properties, propertyCount, bytes, byteCount, heap, xmlBuffer, error) = DLL("webservices.dll", "int WsReadXmlBufferFromBytes(void*, void*, void*, dword, void*, dword, void*, void*, void*)")
# 呼び出し: WsReadXmlBufferFromBytes(reader, encoding, properties, propertyCount, bytes, byteCount, heap, xmlBuffer, error)
# reader : WS_XML_READER* -> "void*"
# encoding : WS_XML_READER_ENCODING* optional -> "void*"
# properties : WS_XML_READER_PROPERTY* optional -> "void*"
# propertyCount : DWORD -> "dword"
# bytes : void* -> "void*"
# byteCount : DWORD -> "dword"
# 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 WsReadXmlBufferFromBytes(
    reader: [*c]isize, // WS_XML_READER*
    encoding: [*c]WS_XML_READER_ENCODING, // WS_XML_READER_ENCODING* optional
    properties: [*c]WS_XML_READER_PROPERTY, // WS_XML_READER_PROPERTY* optional
    propertyCount: u32, // DWORD
    bytes: ?*anyopaque, // void*
    byteCount: u32, // DWORD
    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 WsReadXmlBufferFromBytes(
    reader: ptr int,  # WS_XML_READER*
    encoding: ptr WS_XML_READER_ENCODING,  # WS_XML_READER_ENCODING* optional
    properties: ptr WS_XML_READER_PROPERTY,  # WS_XML_READER_PROPERTY* optional
    propertyCount: uint32,  # DWORD
    bytes: pointer,  # void*
    byteCount: uint32,  # DWORD
    heap: ptr int,  # WS_HEAP*
    xmlBuffer: ptr int,  # WS_XML_BUFFER** out
    error: ptr int  # WS_ERROR* optional
): int32 {.importc: "WsReadXmlBufferFromBytes", stdcall, dynlib: "webservices.dll".}

pragma(lib, "webservices");
extern(Windows)
int WsReadXmlBufferFromBytes(
    ptrdiff_t* reader,   // WS_XML_READER*
    WS_XML_READER_ENCODING* encoding,   // WS_XML_READER_ENCODING* optional
    WS_XML_READER_PROPERTY* properties,   // WS_XML_READER_PROPERTY* optional
    uint propertyCount,   // DWORD
    void* bytes,   // void*
    uint byteCount,   // DWORD
    ptrdiff_t* heap,   // WS_HEAP*
    ptrdiff_t** xmlBuffer,   // WS_XML_BUFFER** out
    ptrdiff_t* error   // WS_ERROR* optional
);

ccall((:WsReadXmlBufferFromBytes, "webservices.dll"), stdcall, Int32,
      (Ptr{Int}, Ptr{WS_XML_READER_ENCODING}, Ptr{WS_XML_READER_PROPERTY}, UInt32, Ptr{Cvoid}, UInt32, Ptr{Int}, Ptr{Int}, Ptr{Int}),
      reader, encoding, properties, propertyCount, bytes, byteCount, heap, xmlBuffer, error)
# reader : WS_XML_READER* -> Ptr{Int}
# encoding : WS_XML_READER_ENCODING* optional -> Ptr{WS_XML_READER_ENCODING}
# properties : WS_XML_READER_PROPERTY* optional -> Ptr{WS_XML_READER_PROPERTY}
# propertyCount : DWORD -> UInt32
# bytes : void* -> Ptr{Cvoid}
# byteCount : DWORD -> UInt32
# 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 WsReadXmlBufferFromBytes(
    intptr_t* reader,
    void* encoding,
    void* properties,
    uint32_t propertyCount,
    void* bytes,
    uint32_t byteCount,
    intptr_t* heap,
    intptr_t** xmlBuffer,
    intptr_t* error);
]]
local webservices = ffi.load("webservices")
-- webservices.WsReadXmlBufferFromBytes(reader, encoding, properties, propertyCount, bytes, byteCount, heap, xmlBuffer, error)
-- reader : WS_XML_READER*
-- encoding : WS_XML_READER_ENCODING* optional
-- properties : WS_XML_READER_PROPERTY* optional
-- propertyCount : DWORD
-- bytes : void*
-- byteCount : DWORD
-- 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 WsReadXmlBufferFromBytes = lib.func('__stdcall', 'WsReadXmlBufferFromBytes', 'int32_t', ['intptr_t *', 'void *', 'void *', 'uint32_t', 'void *', 'uint32_t', 'intptr_t *', 'intptr_t *', 'intptr_t *']);
// WsReadXmlBufferFromBytes(reader, encoding, properties, propertyCount, bytes, byteCount, heap, xmlBuffer, error)
// reader : WS_XML_READER* -> 'intptr_t *'
// encoding : WS_XML_READER_ENCODING* optional -> 'void *'
// properties : WS_XML_READER_PROPERTY* optional -> 'void *'
// propertyCount : DWORD -> 'uint32_t'
// bytes : void* -> 'void *'
// byteCount : DWORD -> 'uint32_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", {
  WsReadXmlBufferFromBytes: { parameters: ["pointer", "pointer", "pointer", "u32", "pointer", "u32", "pointer", "pointer", "pointer"], result: "i32" },
});
// lib.symbols.WsReadXmlBufferFromBytes(reader, encoding, properties, propertyCount, bytes, byteCount, heap, xmlBuffer, error)
// reader : WS_XML_READER* -> "pointer"
// encoding : WS_XML_READER_ENCODING* optional -> "pointer"
// properties : WS_XML_READER_PROPERTY* optional -> "pointer"
// propertyCount : DWORD -> "u32"
// bytes : void* -> "pointer"
// byteCount : DWORD -> "u32"
// 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 WsReadXmlBufferFromBytes(
    intptr_t* reader,
    void* encoding,
    void* properties,
    uint32_t propertyCount,
    void* bytes,
    uint32_t byteCount,
    intptr_t* heap,
    intptr_t** xmlBuffer,
    intptr_t* error);
C, "webservices.dll");
// $ffi->WsReadXmlBufferFromBytes(reader, encoding, properties, propertyCount, bytes, byteCount, heap, xmlBuffer, error);
// reader : WS_XML_READER*
// encoding : WS_XML_READER_ENCODING* optional
// properties : WS_XML_READER_PROPERTY* optional
// propertyCount : DWORD
// bytes : void*
// byteCount : DWORD
// 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 WsReadXmlBufferFromBytes(
        LongByReference reader,   // WS_XML_READER*
        Pointer encoding,   // WS_XML_READER_ENCODING* optional
        Pointer properties,   // WS_XML_READER_PROPERTY* optional
        int propertyCount,   // DWORD
        Pointer bytes,   // void*
        int byteCount,   // DWORD
        LongByReference heap,   // WS_HEAP*
        Pointer xmlBuffer,   // WS_XML_BUFFER** out
        LongByReference error   // WS_ERROR* optional
    );
}

@[Link("webservices")]
lib Libwebservices
  fun WsReadXmlBufferFromBytes = WsReadXmlBufferFromBytes(
    reader : LibC::SSizeT*,   # WS_XML_READER*
    encoding : WS_XML_READER_ENCODING*,   # WS_XML_READER_ENCODING* optional
    properties : WS_XML_READER_PROPERTY*,   # WS_XML_READER_PROPERTY* optional
    propertyCount : UInt32,   # DWORD
    bytes : Void*,   # void*
    byteCount : UInt32,   # DWORD
    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 WsReadXmlBufferFromBytesNative = Int32 Function(Pointer<IntPtr>, Pointer<Void>, Pointer<Void>, Uint32, Pointer<Void>, Uint32, Pointer<IntPtr>, Pointer<IntPtr>, Pointer<IntPtr>);
typedef WsReadXmlBufferFromBytesDart = int Function(Pointer<IntPtr>, Pointer<Void>, Pointer<Void>, int, Pointer<Void>, int, Pointer<IntPtr>, Pointer<IntPtr>, Pointer<IntPtr>);
final WsReadXmlBufferFromBytes = DynamicLibrary.open('webservices.dll')
    .lookupFunction<WsReadXmlBufferFromBytesNative, WsReadXmlBufferFromBytesDart>('WsReadXmlBufferFromBytes');
// reader : WS_XML_READER* -> Pointer<IntPtr>
// encoding : WS_XML_READER_ENCODING* optional -> Pointer<Void>
// properties : WS_XML_READER_PROPERTY* optional -> Pointer<Void>
// propertyCount : DWORD -> Uint32
// bytes : void* -> Pointer<Void>
// byteCount : DWORD -> Uint32
// 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 WsReadXmlBufferFromBytes(
  reader: Pointer;   // WS_XML_READER*
  encoding: Pointer;   // WS_XML_READER_ENCODING* optional
  properties: Pointer;   // WS_XML_READER_PROPERTY* optional
  propertyCount: DWORD;   // DWORD
  bytes: Pointer;   // void*
  byteCount: DWORD;   // DWORD
  heap: Pointer;   // WS_HEAP*
  xmlBuffer: Pointer;   // WS_XML_BUFFER** out
  error: Pointer   // WS_ERROR* optional
): Integer; stdcall;
  external 'webservices.dll' name 'WsReadXmlBufferFromBytes';

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

foreign import stdcall safe "WsReadXmlBufferFromBytes"
  c_WsReadXmlBufferFromBytes :: Ptr CIntPtr -> Ptr () -> Ptr () -> Word32 -> Ptr () -> Word32 -> Ptr CIntPtr -> Ptr CIntPtr -> Ptr CIntPtr -> IO Int32
-- reader : WS_XML_READER* -> Ptr CIntPtr
-- encoding : WS_XML_READER_ENCODING* optional -> Ptr ()
-- properties : WS_XML_READER_PROPERTY* optional -> Ptr ()
-- propertyCount : DWORD -> Word32
-- bytes : void* -> Ptr ()
-- byteCount : DWORD -> Word32
-- 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 wsreadxmlbufferfrombytes =
  foreign "WsReadXmlBufferFromBytes"
    ((ptr intptr_t) @-> (ptr void) @-> (ptr void) @-> uint32_t @-> (ptr void) @-> uint32_t @-> (ptr intptr_t) @-> (ptr intptr_t) @-> (ptr intptr_t) @-> returning int32_t)
(* reader : WS_XML_READER* -> (ptr intptr_t) *)
(* encoding : WS_XML_READER_ENCODING* optional -> (ptr void) *)
(* properties : WS_XML_READER_PROPERTY* optional -> (ptr void) *)
(* propertyCount : DWORD -> uint32_t *)
(* bytes : void* -> (ptr void) *)
(* byteCount : DWORD -> uint32_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 ("WsReadXmlBufferFromBytes" ws-read-xml-buffer-from-bytes :convention :stdcall) :int32
  (reader :pointer)   ; WS_XML_READER*
  (encoding :pointer)   ; WS_XML_READER_ENCODING* optional
  (properties :pointer)   ; WS_XML_READER_PROPERTY* optional
  (property-count :uint32)   ; DWORD
  (bytes :pointer)   ; void*
  (byte-count :uint32)   ; DWORD
  (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 $WsReadXmlBufferFromBytes = Win32::API::More->new('webservices',
    'int WsReadXmlBufferFromBytes(LPVOID reader, LPVOID encoding, LPVOID properties, DWORD propertyCount, LPVOID bytes, DWORD byteCount, LPVOID heap, LPVOID xmlBuffer, LPVOID error)');
# my $ret = $WsReadXmlBufferFromBytes->Call($reader, $encoding, $properties, $propertyCount, $bytes, $byteCount, $heap, $xmlBuffer, $error);
# reader : WS_XML_READER* -> LPVOID
# encoding : WS_XML_READER_ENCODING* optional -> LPVOID
# properties : WS_XML_READER_PROPERTY* optional -> LPVOID
# propertyCount : DWORD -> DWORD
# bytes : void* -> LPVOID
# byteCount : DWORD -> DWORD
# 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。

WsReadXmlBufferFromBytes

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