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WsWriteStartElement

関数
XMLの開始要素を書き込む。
DLLwebservices.dll呼出規約winapi対応OSWindows 7 以降
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シグネチャ

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

HRESULT WsWriteStartElement(
    WS_XML_WRITER* writer,
    const WS_XML_STRING* prefix,   // optional
    const WS_XML_STRING* localName,
    const WS_XML_STRING* ns,
    WS_ERROR* error   // optional
);

パラメーター

名前型方向説明
writerWS_XML_WRITER*in対象のXMLライター。
prefixWS_XML_STRING*inoptional要素に付与する名前空間プレフィックス。NULL可。
localNameWS_XML_STRING*in書き出す要素のローカル名。
nsWS_XML_STRING*in要素の名前空間URI。
errorWS_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 WsWriteStartElement(
    WS_XML_WRITER* writer,
    const WS_XML_STRING* prefix,   // optional
    const WS_XML_STRING* localName,
    const WS_XML_STRING* ns,
    WS_ERROR* error   // optional
);
[DllImport("webservices.dll", ExactSpelling = true)]
static extern int WsWriteStartElement(
    ref IntPtr writer,   // WS_XML_WRITER*
    IntPtr prefix,   // WS_XML_STRING* optional
    IntPtr localName,   // WS_XML_STRING*
    IntPtr ns,   // WS_XML_STRING*
    IntPtr error   // WS_ERROR* optional
);
<DllImport("webservices.dll", ExactSpelling:=True)>
Public Shared Function WsWriteStartElement(
    ByRef writer As IntPtr,   ' WS_XML_WRITER*
    prefix As IntPtr,   ' WS_XML_STRING* optional
    localName As IntPtr,   ' WS_XML_STRING*
    ns As IntPtr,   ' WS_XML_STRING*
    [error] As IntPtr   ' WS_ERROR* optional
) As Integer
End Function
' writer : WS_XML_WRITER*
' prefix : WS_XML_STRING* optional
' localName : WS_XML_STRING*
' ns : WS_XML_STRING*
' error : WS_ERROR* optional
Declare PtrSafe Function WsWriteStartElement Lib "webservices" ( _
    ByRef writer As LongPtr, _
    ByVal prefix As LongPtr, _
    ByVal localName As LongPtr, _
    ByVal ns 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

WsWriteStartElement = ctypes.windll.webservices.WsWriteStartElement
WsWriteStartElement.restype = ctypes.c_int
WsWriteStartElement.argtypes = [
    ctypes.c_void_p,  # writer : WS_XML_WRITER*
    ctypes.c_void_p,  # prefix : WS_XML_STRING* optional
    ctypes.c_void_p,  # localName : WS_XML_STRING*
    ctypes.c_void_p,  # ns : WS_XML_STRING*
    ctypes.c_void_p,  # error : WS_ERROR* optional
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('webservices.dll')
WsWriteStartElement = Fiddle::Function.new(
  lib['WsWriteStartElement'],
  [
    Fiddle::TYPE_VOIDP,  # writer : WS_XML_WRITER*
    Fiddle::TYPE_VOIDP,  # prefix : WS_XML_STRING* optional
    Fiddle::TYPE_VOIDP,  # localName : WS_XML_STRING*
    Fiddle::TYPE_VOIDP,  # ns : WS_XML_STRING*
    Fiddle::TYPE_VOIDP,  # error : WS_ERROR* optional
  ],
  Fiddle::TYPE_INT)
#[link(name = "webservices")]
extern "system" {
    fn WsWriteStartElement(
        writer: *mut isize,  // WS_XML_WRITER*
        prefix: *const WS_XML_STRING,  // WS_XML_STRING* optional
        localName: *const WS_XML_STRING,  // WS_XML_STRING*
        ns: *const WS_XML_STRING,  // WS_XML_STRING*
        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 WsWriteStartElement(ref IntPtr writer, IntPtr prefix, IntPtr localName, IntPtr ns, IntPtr error);
"@
$api = Add-Type -MemberDefinition $sig -Name 'webservices_WsWriteStartElement' -Namespace Win32 -PassThru
# $api::WsWriteStartElement(writer, prefix, localName, ns, error)
#uselib "webservices.dll"
#func global WsWriteStartElement "WsWriteStartElement" sptr, sptr, sptr, sptr, sptr
; WsWriteStartElement varptr(writer), varptr(prefix), varptr(localName), varptr(ns), varptr(error)   ; 戻り値は stat
; writer : WS_XML_WRITER* -> "sptr"
; prefix : WS_XML_STRING* optional -> "sptr"
; localName : WS_XML_STRING* -> "sptr"
; ns : WS_XML_STRING* -> "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 WsWriteStartElement "WsWriteStartElement" var, var, var, var, var
; res = WsWriteStartElement(writer, prefix, localName, ns, error)
; writer : WS_XML_WRITER* -> "var"
; prefix : WS_XML_STRING* optional -> "var"
; localName : WS_XML_STRING* -> "var"
; ns : WS_XML_STRING* -> "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。
出力引数: 
; HRESULT WsWriteStartElement(WS_XML_WRITER* writer, WS_XML_STRING* prefix, WS_XML_STRING* localName, WS_XML_STRING* ns, WS_ERROR* error)
#uselib "webservices.dll"
#cfunc global WsWriteStartElement "WsWriteStartElement" var, var, var, var, var
; res = WsWriteStartElement(writer, prefix, localName, ns, error)
; writer : WS_XML_WRITER* -> "var"
; prefix : WS_XML_STRING* optional -> "var"
; localName : WS_XML_STRING* -> "var"
; ns : WS_XML_STRING* -> "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。
import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	webservices = windows.NewLazySystemDLL("webservices.dll")
	procWsWriteStartElement = webservices.NewProc("WsWriteStartElement")
)

// writer (WS_XML_WRITER*), prefix (WS_XML_STRING* optional), localName (WS_XML_STRING*), ns (WS_XML_STRING*), error (WS_ERROR* optional)
r1, _, err := procWsWriteStartElement.Call(
	uintptr(writer),
	uintptr(prefix),
	uintptr(localName),
	uintptr(ns),
	uintptr(error),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT
function WsWriteStartElement(
  writer: Pointer;   // WS_XML_WRITER*
  prefix: Pointer;   // WS_XML_STRING* optional
  localName: Pointer;   // WS_XML_STRING*
  ns: Pointer;   // WS_XML_STRING*
  error: Pointer   // WS_ERROR* optional
): Integer; stdcall;
  external 'webservices.dll' name 'WsWriteStartElement';
result := DllCall("webservices\WsWriteStartElement"
    , "Ptr", writer   ; WS_XML_WRITER*
    , "Ptr", prefix   ; WS_XML_STRING* optional
    , "Ptr", localName   ; WS_XML_STRING*
    , "Ptr", ns   ; WS_XML_STRING*
    , "Ptr", error   ; WS_ERROR* optional
    , "Int")   ; return: HRESULT
●WsWriteStartElement(writer, prefix, localName, ns, error) = DLL("webservices.dll", "int WsWriteStartElement(void*, void*, void*, void*, void*)")
# 呼び出し: WsWriteStartElement(writer, prefix, localName, ns, error)
# writer : WS_XML_WRITER* -> "void*"
# prefix : WS_XML_STRING* optional -> "void*"
# localName : WS_XML_STRING* -> "void*"
# ns : WS_XML_STRING* -> "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 WsWriteStartElement(
    writer: [*c]isize, // WS_XML_WRITER*
    prefix: [*c]WS_XML_STRING, // WS_XML_STRING* optional
    localName: [*c]WS_XML_STRING, // WS_XML_STRING*
    ns: [*c]WS_XML_STRING, // WS_XML_STRING*
    error: [*c]isize // WS_ERROR* optional
) callconv(std.os.windows.WINAPI) i32;
proc WsWriteStartElement(
    writer: ptr int,  # WS_XML_WRITER*
    prefix: ptr WS_XML_STRING,  # WS_XML_STRING* optional
    localName: ptr WS_XML_STRING,  # WS_XML_STRING*
    ns: ptr WS_XML_STRING,  # WS_XML_STRING*
    error: ptr int  # WS_ERROR* optional
): int32 {.importc: "WsWriteStartElement", stdcall, dynlib: "webservices.dll".}
pragma(lib, "webservices");
extern(Windows)
int WsWriteStartElement(
    ptrdiff_t* writer,   // WS_XML_WRITER*
    WS_XML_STRING* prefix,   // WS_XML_STRING* optional
    WS_XML_STRING* localName,   // WS_XML_STRING*
    WS_XML_STRING* ns,   // WS_XML_STRING*
    ptrdiff_t* error   // WS_ERROR* optional
);
ccall((:WsWriteStartElement, "webservices.dll"), stdcall, Int32,
      (Ptr{Int}, Ptr{WS_XML_STRING}, Ptr{WS_XML_STRING}, Ptr{WS_XML_STRING}, Ptr{Int}),
      writer, prefix, localName, ns, error)
# writer : WS_XML_WRITER* -> Ptr{Int}
# prefix : WS_XML_STRING* optional -> Ptr{WS_XML_STRING}
# localName : WS_XML_STRING* -> Ptr{WS_XML_STRING}
# ns : WS_XML_STRING* -> Ptr{WS_XML_STRING}
# 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 WsWriteStartElement(
    intptr_t* writer,
    void* prefix,
    void* localName,
    void* ns,
    intptr_t* error);
]]
local webservices = ffi.load("webservices")
-- webservices.WsWriteStartElement(writer, prefix, localName, ns, error)
-- writer : WS_XML_WRITER*
-- prefix : WS_XML_STRING* optional
-- localName : WS_XML_STRING*
-- ns : WS_XML_STRING*
-- 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 WsWriteStartElement = lib.func('__stdcall', 'WsWriteStartElement', 'int32_t', ['intptr_t *', 'void *', 'void *', 'void *', 'intptr_t *']);
// WsWriteStartElement(writer, prefix, localName, ns, error)
// writer : WS_XML_WRITER* -> 'intptr_t *'
// prefix : WS_XML_STRING* optional -> 'void *'
// localName : WS_XML_STRING* -> 'void *'
// ns : WS_XML_STRING* -> 'void *'
// 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", {
  WsWriteStartElement: { parameters: ["pointer", "pointer", "pointer", "pointer", "pointer"], result: "i32" },
});
// lib.symbols.WsWriteStartElement(writer, prefix, localName, ns, error)
// writer : WS_XML_WRITER* -> "pointer"
// prefix : WS_XML_STRING* optional -> "pointer"
// localName : WS_XML_STRING* -> "pointer"
// ns : WS_XML_STRING* -> "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 WsWriteStartElement(
    intptr_t* writer,
    void* prefix,
    void* localName,
    void* ns,
    intptr_t* error);
C, "webservices.dll");
// $ffi->WsWriteStartElement(writer, prefix, localName, ns, error);
// writer : WS_XML_WRITER*
// prefix : WS_XML_STRING* optional
// localName : WS_XML_STRING*
// ns : WS_XML_STRING*
// 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 WsWriteStartElement(
        LongByReference writer,   // WS_XML_WRITER*
        Pointer prefix,   // WS_XML_STRING* optional
        Pointer localName,   // WS_XML_STRING*
        Pointer ns,   // WS_XML_STRING*
        LongByReference error   // WS_ERROR* optional
    );
}
@[Link("webservices")]
lib Libwebservices
  fun WsWriteStartElement = WsWriteStartElement(
    writer : LibC::SSizeT*,   # WS_XML_WRITER*
    prefix : WS_XML_STRING*,   # WS_XML_STRING* optional
    localName : WS_XML_STRING*,   # WS_XML_STRING*
    ns : WS_XML_STRING*,   # WS_XML_STRING*
    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 WsWriteStartElementNative = Int32 Function(Pointer<IntPtr>, Pointer<Void>, Pointer<Void>, Pointer<Void>, Pointer<IntPtr>);
typedef WsWriteStartElementDart = int Function(Pointer<IntPtr>, Pointer<Void>, Pointer<Void>, Pointer<Void>, Pointer<IntPtr>);
final WsWriteStartElement = DynamicLibrary.open('webservices.dll')
    .lookupFunction<WsWriteStartElementNative, WsWriteStartElementDart>('WsWriteStartElement');
// writer : WS_XML_WRITER* -> Pointer<IntPtr>
// prefix : WS_XML_STRING* optional -> Pointer<Void>
// localName : WS_XML_STRING* -> Pointer<Void>
// ns : WS_XML_STRING* -> Pointer<Void>
// error : WS_ERROR* optional -> Pointer<IntPtr>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。
{$mode objfpc}{$H+}
function WsWriteStartElement(
  writer: Pointer;   // WS_XML_WRITER*
  prefix: Pointer;   // WS_XML_STRING* optional
  localName: Pointer;   // WS_XML_STRING*
  ns: Pointer;   // WS_XML_STRING*
  error: Pointer   // WS_ERROR* optional
): Integer; stdcall;
  external 'webservices.dll' name 'WsWriteStartElement';
import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "WsWriteStartElement"
  c_WsWriteStartElement :: Ptr CIntPtr -> Ptr () -> Ptr () -> Ptr () -> Ptr CIntPtr -> IO Int32
-- writer : WS_XML_WRITER* -> Ptr CIntPtr
-- prefix : WS_XML_STRING* optional -> Ptr ()
-- localName : WS_XML_STRING* -> Ptr ()
-- ns : WS_XML_STRING* -> Ptr ()
-- 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 wswritestartelement =
  foreign "WsWriteStartElement"
    ((ptr intptr_t) @-> (ptr void) @-> (ptr void) @-> (ptr void) @-> (ptr intptr_t) @-> returning int32_t)
(* writer : WS_XML_WRITER* -> (ptr intptr_t) *)
(* prefix : WS_XML_STRING* optional -> (ptr void) *)
(* localName : WS_XML_STRING* -> (ptr void) *)
(* ns : WS_XML_STRING* -> (ptr void) *)
(* 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 ("WsWriteStartElement" ws-write-start-element :convention :stdcall) :int32
  (writer :pointer)   ; WS_XML_WRITER*
  (prefix :pointer)   ; WS_XML_STRING* optional
  (local-name :pointer)   ; WS_XML_STRING*
  (ns :pointer)   ; WS_XML_STRING*
  (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 $WsWriteStartElement = Win32::API::More->new('webservices',
    'int WsWriteStartElement(LPVOID writer, LPVOID prefix, LPVOID localName, LPVOID ns, LPVOID error)');
# my $ret = $WsWriteStartElement->Call($writer, $prefix, $localName, $ns, $error);
# writer : WS_XML_WRITER* -> LPVOID
# prefix : WS_XML_STRING* optional -> LPVOID
# localName : WS_XML_STRING* -> LPVOID
# ns : WS_XML_STRING* -> 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。

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