ucsdet_getUChars

関数

判定結果をUnicode文字列に変換して取得する。

DLLicuin.dll呼出規約cdecl

シグネチャ

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

INT ucsdet_getUChars(
    const UCharsetMatch* ucsm,
    WORD* buf,
    INT cap,
    UErrorCode* status
);

パラメーター

名前	型	方向	説明
ucsm	UCharsetMatch*	in	検出文字セットでデコードした文字列を取得する一致結果のハンドル。
buf	WORD*	inout	デコード後のUTF-16文字列を書き込む出力バッファ(WORD配列)。
cap	INT	in	bufの容量(UChar単位)。
status	UErrorCode*	inout	エラーコードへのポインタ。呼び出し前に初期化する必要がある。

戻り値の型: INT

各言語での呼び出し定義

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

INT ucsdet_getUChars(
    const UCharsetMatch* ucsm,
    WORD* buf,
    INT cap,
    UErrorCode* status
);

[DllImport("icuin.dll", ExactSpelling = true, CallingConvention = CallingConvention.Cdecl)]
static extern int ucsdet_getUChars(
    ref IntPtr ucsm,   // UCharsetMatch*
    ref ushort buf,   // WORD* in/out
    int cap,   // INT
    ref int status   // UErrorCode* in/out
);

<DllImport("icuin.dll", ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Function ucsdet_getUChars(
    ByRef ucsm As IntPtr,   ' UCharsetMatch*
    ByRef buf As UShort,   ' WORD* in/out
    cap As Integer,   ' INT
    ByRef status As Integer   ' UErrorCode* in/out
) As Integer
End Function

' ucsm : UCharsetMatch*
' buf : WORD* in/out
' cap : INT
' status : UErrorCode* in/out
Declare PtrSafe Function ucsdet_getUChars Lib "icuin" ( _
    ByRef ucsm As LongPtr, _
    ByRef buf As Integer, _
    ByVal cap 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

ucsdet_getUChars = ctypes.cdll.icuin.ucsdet_getUChars
ucsdet_getUChars.restype = ctypes.c_int
ucsdet_getUChars.argtypes = [
    ctypes.c_void_p,  # ucsm : UCharsetMatch*
    ctypes.POINTER(ctypes.c_ushort),  # buf : WORD* in/out
    ctypes.c_int,  # cap : INT
    ctypes.c_void_p,  # status : UErrorCode* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('icuin.dll')
ucsdet_getUChars = Fiddle::Function.new(
  lib['ucsdet_getUChars'],
  [
    Fiddle::TYPE_VOIDP,  # ucsm : UCharsetMatch*
    Fiddle::TYPE_VOIDP,  # buf : WORD* in/out
    Fiddle::TYPE_INT,  # cap : INT
    Fiddle::TYPE_VOIDP,  # status : UErrorCode* in/out
  ],
  Fiddle::TYPE_INT, Fiddle::Function::CDECL)

#[link(name = "icuin")]
extern "C" {
    fn ucsdet_getUChars(
        ucsm: *const isize,  // UCharsetMatch*
        buf: *mut u16,  // WORD* in/out
        cap: 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 ucsdet_getUChars(ref IntPtr ucsm, ref ushort buf, int cap, ref int status);
"@
$api = Add-Type -MemberDefinition $sig -Name 'icuin_ucsdet_getUChars' -Namespace Win32 -PassThru
# $api::ucsdet_getUChars(ucsm, buf, cap, status)

#uselib "icuin.dll"
#func global ucsdet_getUChars "ucsdet_getUChars" sptr, sptr, sptr, sptr
; ucsdet_getUChars ucsm, varptr(buf), cap, status   ; 戻り値は stat
; ucsm : UCharsetMatch* -> "sptr"
; buf : WORD* in/out -> "sptr"
; cap : 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。

出力引数:

#uselib "icuin.dll"
#cfunc global ucsdet_getUChars "ucsdet_getUChars" int, var, int, int
; res = ucsdet_getUChars(ucsm, buf, cap, status)
; ucsm : UCharsetMatch* -> "int"
; buf : WORD* in/out -> "var"
; cap : INT -> "int"
; status : UErrorCode* in/out -> "int"
; ※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 "icuin.dll"
#cfunc global ucsdet_getUChars "ucsdet_getUChars" int, sptr, int, int
; res = ucsdet_getUChars(ucsm, varptr(buf), cap, status)
; ucsm : UCharsetMatch* -> "int"
; buf : WORD* in/out -> "sptr"
; cap : INT -> "int"
; status : UErrorCode* in/out -> "int"
; ※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:

; INT ucsdet_getUChars(UCharsetMatch* ucsm, WORD* buf, INT cap, UErrorCode* status)
#uselib "icuin.dll"
#cfunc global ucsdet_getUChars "ucsdet_getUChars" int, var, int, int
; res = ucsdet_getUChars(ucsm, buf, cap, status)
; ucsm : UCharsetMatch* -> "int"
; buf : WORD* in/out -> "var"
; cap : INT -> "int"
; status : UErrorCode* in/out -> "int"
; ※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。; INT ucsdet_getUChars(UCharsetMatch* ucsm, WORD* buf, INT cap, UErrorCode* status)
#uselib "icuin.dll"
#cfunc global ucsdet_getUChars "ucsdet_getUChars" int, intptr, int, int
; res = ucsdet_getUChars(ucsm, varptr(buf), cap, status)
; ucsm : UCharsetMatch* -> "int"
; buf : WORD* in/out -> "intptr"
; cap : INT -> "int"
; status : UErrorCode* in/out -> "int"
; ※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 (
	icuin = windows.NewLazySystemDLL("icuin.dll")
	procucsdet_getUChars = icuin.NewProc("ucsdet_getUChars")
)

// ucsm (UCharsetMatch*), buf (WORD* in/out), cap (INT), status (UErrorCode* in/out)
r1, _, err := procucsdet_getUChars.Call(
	uintptr(ucsm),
	uintptr(buf),
	uintptr(cap),
	uintptr(status),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function ucsdet_getUChars(
  ucsm: Pointer;   // UCharsetMatch*
  buf: Pointer;   // WORD* in/out
  cap: Integer;   // INT
  status: Pointer   // UErrorCode* in/out
): Integer; cdecl;
  external 'icuin.dll' name 'ucsdet_getUChars';

result := DllCall("icuin\ucsdet_getUChars"
    , "Ptr", ucsm   ; UCharsetMatch*
    , "Ptr", buf   ; WORD* in/out
    , "Int", cap   ; INT
    , "Ptr", status   ; UErrorCode* in/out
    , "Cdecl Int")   ; return: INT

●ucsdet_getUChars(ucsm, buf, cap, status) = DLL("icuin.dll", "int ucsdet_getUChars(void*, void*, int, void*)")
# 呼び出し: ucsdet_getUChars(ucsm, buf, cap, status)
# ucsm : UCharsetMatch* -> "void*"
# buf : WORD* in/out -> "void*"
# cap : 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。