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ucnv_fromAlgorithmic

関数
指定アルゴリズム型のコードから変換する。
DLLicuuc.dll呼出規約cdecl

シグネチャ

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

INT ucnv_fromAlgorithmic(
    UConverter* cnv,
    UConverterType algorithmicType,
    LPSTR target,
    INT targetCapacity,
    LPCSTR source,
    INT sourceLength,
    UErrorCode* pErrorCode
);

パラメーター

名前型方向説明
cnvUConverter*inout変換先(Unicode→外部符号化)のコンバーターへのポインタ。
algorithmicTypeUConverterTypein変換元のアルゴリズム型コンバーター種別(UTF-8等)を示す列挙値。
targetLPSTRin変換結果を受け取る出力バッファ。
targetCapacityINTintargetバッファのバイト容量。
sourceLPCSTRin変換元のバイト列へのポインタ。
sourceLengthINTinsourceのバイト数。-1でNUL終端を意味する。
pErrorCodeUErrorCode*inoutエラーコードを入出力するポインタ。事前にU_ZERO_ERRORで初期化する。

戻り値の型: INT

各言語での呼び出し定義

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

INT ucnv_fromAlgorithmic(
    UConverter* cnv,
    UConverterType algorithmicType,
    LPSTR target,
    INT targetCapacity,
    LPCSTR source,
    INT sourceLength,
    UErrorCode* pErrorCode
);
[DllImport("icuuc.dll", ExactSpelling = true, CallingConvention = CallingConvention.Cdecl)]
static extern int ucnv_fromAlgorithmic(
    ref IntPtr cnv,   // UConverter* in/out
    int algorithmicType,   // UConverterType
    [MarshalAs(UnmanagedType.LPStr)] string target,   // LPSTR
    int targetCapacity,   // INT
    [MarshalAs(UnmanagedType.LPStr)] string source,   // LPCSTR
    int sourceLength,   // INT
    ref int pErrorCode   // UErrorCode* in/out
);
<DllImport("icuuc.dll", ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Function ucnv_fromAlgorithmic(
    ByRef cnv As IntPtr,   ' UConverter* in/out
    algorithmicType As Integer,   ' UConverterType
    <MarshalAs(UnmanagedType.LPStr)> target As String,   ' LPSTR
    targetCapacity As Integer,   ' INT
    <MarshalAs(UnmanagedType.LPStr)> source As String,   ' LPCSTR
    sourceLength As Integer,   ' INT
    ByRef pErrorCode As Integer   ' UErrorCode* in/out
) As Integer
End Function
' cnv : UConverter* in/out
' algorithmicType : UConverterType
' target : LPSTR
' targetCapacity : INT
' source : LPCSTR
' sourceLength : INT
' pErrorCode : UErrorCode* in/out
Declare PtrSafe Function ucnv_fromAlgorithmic Lib "icuuc" ( _
    ByRef cnv As LongPtr, _
    ByVal algorithmicType As Long, _
    ByVal target As String, _
    ByVal targetCapacity As Long, _
    ByVal source As String, _
    ByVal sourceLength As Long, _
    ByRef pErrorCode 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

ucnv_fromAlgorithmic = ctypes.cdll.icuuc.ucnv_fromAlgorithmic
ucnv_fromAlgorithmic.restype = ctypes.c_int
ucnv_fromAlgorithmic.argtypes = [
    ctypes.c_void_p,  # cnv : UConverter* in/out
    ctypes.c_int,  # algorithmicType : UConverterType
    wintypes.LPCSTR,  # target : LPSTR
    ctypes.c_int,  # targetCapacity : INT
    wintypes.LPCSTR,  # source : LPCSTR
    ctypes.c_int,  # sourceLength : INT
    ctypes.c_void_p,  # pErrorCode : UErrorCode* in/out
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('icuuc.dll')
ucnv_fromAlgorithmic = Fiddle::Function.new(
  lib['ucnv_fromAlgorithmic'],
  [
    Fiddle::TYPE_VOIDP,  # cnv : UConverter* in/out
    Fiddle::TYPE_INT,  # algorithmicType : UConverterType
    Fiddle::TYPE_VOIDP,  # target : LPSTR
    Fiddle::TYPE_INT,  # targetCapacity : INT
    Fiddle::TYPE_VOIDP,  # source : LPCSTR
    Fiddle::TYPE_INT,  # sourceLength : INT
    Fiddle::TYPE_VOIDP,  # pErrorCode : UErrorCode* in/out
  ],
  Fiddle::TYPE_INT, Fiddle::Function::CDECL)
#[link(name = "icuuc")]
extern "C" {
    fn ucnv_fromAlgorithmic(
        cnv: *mut isize,  // UConverter* in/out
        algorithmicType: i32,  // UConverterType
        target: *mut u8,  // LPSTR
        targetCapacity: i32,  // INT
        source: *const u8,  // LPCSTR
        sourceLength: i32,  // INT
        pErrorCode: *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 ucnv_fromAlgorithmic(ref IntPtr cnv, int algorithmicType, [MarshalAs(UnmanagedType.LPStr)] string target, int targetCapacity, [MarshalAs(UnmanagedType.LPStr)] string source, int sourceLength, ref int pErrorCode);
"@
$api = Add-Type -MemberDefinition $sig -Name 'icuuc_ucnv_fromAlgorithmic' -Namespace Win32 -PassThru
# $api::ucnv_fromAlgorithmic(cnv, algorithmicType, target, targetCapacity, source, sourceLength, pErrorCode)
#uselib "icuuc.dll"
#func global ucnv_fromAlgorithmic "ucnv_fromAlgorithmic" sptr, sptr, sptr, sptr, sptr, sptr, sptr
; ucnv_fromAlgorithmic varptr(cnv), algorithmicType, target, targetCapacity, source, sourceLength, varptr(pErrorCode)   ; 戻り値は stat
; cnv : UConverter* in/out -> "sptr"
; algorithmicType : UConverterType -> "sptr"
; target : LPSTR -> "sptr"
; targetCapacity : INT -> "sptr"
; source : LPCSTR -> "sptr"
; sourceLength : INT -> "sptr"
; pErrorCode : 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 "icuuc.dll"
#cfunc global ucnv_fromAlgorithmic "ucnv_fromAlgorithmic" var, int, str, int, str, int, var
; res = ucnv_fromAlgorithmic(cnv, algorithmicType, target, targetCapacity, source, sourceLength, pErrorCode)
; cnv : UConverter* in/out -> "var"
; algorithmicType : UConverterType -> "int"
; target : LPSTR -> "str"
; targetCapacity : INT -> "int"
; source : LPCSTR -> "str"
; sourceLength : INT -> "int"
; pErrorCode : UErrorCode* in/out -> "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: 
; INT ucnv_fromAlgorithmic(UConverter* cnv, UConverterType algorithmicType, LPSTR target, INT targetCapacity, LPCSTR source, INT sourceLength, UErrorCode* pErrorCode)
#uselib "icuuc.dll"
#cfunc global ucnv_fromAlgorithmic "ucnv_fromAlgorithmic" var, int, str, int, str, int, var
; res = ucnv_fromAlgorithmic(cnv, algorithmicType, target, targetCapacity, source, sourceLength, pErrorCode)
; cnv : UConverter* in/out -> "var"
; algorithmicType : UConverterType -> "int"
; target : LPSTR -> "str"
; targetCapacity : INT -> "int"
; source : LPCSTR -> "str"
; sourceLength : INT -> "int"
; pErrorCode : UErrorCode* in/out -> "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 (
	icuuc = windows.NewLazySystemDLL("icuuc.dll")
	procucnv_fromAlgorithmic = icuuc.NewProc("ucnv_fromAlgorithmic")
)

// cnv (UConverter* in/out), algorithmicType (UConverterType), target (LPSTR), targetCapacity (INT), source (LPCSTR), sourceLength (INT), pErrorCode (UErrorCode* in/out)
r1, _, err := procucnv_fromAlgorithmic.Call(
	uintptr(cnv),
	uintptr(algorithmicType),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(target))),
	uintptr(targetCapacity),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(source))),
	uintptr(sourceLength),
	uintptr(pErrorCode),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT
function ucnv_fromAlgorithmic(
  cnv: Pointer;   // UConverter* in/out
  algorithmicType: Integer;   // UConverterType
  target: PAnsiChar;   // LPSTR
  targetCapacity: Integer;   // INT
  source: PAnsiChar;   // LPCSTR
  sourceLength: Integer;   // INT
  pErrorCode: Pointer   // UErrorCode* in/out
): Integer; cdecl;
  external 'icuuc.dll' name 'ucnv_fromAlgorithmic';
result := DllCall("icuuc\ucnv_fromAlgorithmic"
    , "Ptr", cnv   ; UConverter* in/out
    , "Int", algorithmicType   ; UConverterType
    , "AStr", target   ; LPSTR
    , "Int", targetCapacity   ; INT
    , "AStr", source   ; LPCSTR
    , "Int", sourceLength   ; INT
    , "Ptr", pErrorCode   ; UErrorCode* in/out
    , "Cdecl Int")   ; return: INT
●ucnv_fromAlgorithmic(cnv, algorithmicType, target, targetCapacity, source, sourceLength, pErrorCode) = DLL("icuuc.dll", "int ucnv_fromAlgorithmic(void*, int, char*, int, char*, int, void*)")
# 呼び出し: ucnv_fromAlgorithmic(cnv, algorithmicType, target, targetCapacity, source, sourceLength, pErrorCode)
# cnv : UConverter* in/out -> "void*"
# algorithmicType : UConverterType -> "int"
# target : LPSTR -> "char*"
# targetCapacity : INT -> "int"
# source : LPCSTR -> "char*"
# sourceLength : INT -> "int"
# pErrorCode : 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 ucnv_fromAlgorithmic(
    cnv: [*c]isize, // UConverter* in/out
    algorithmicType: i32, // UConverterType
    target: [*c]const u8, // LPSTR
    targetCapacity: i32, // INT
    source: [*c]const u8, // LPCSTR
    sourceLength: i32, // INT
    pErrorCode: [*c]i32 // UErrorCode* in/out
) callconv(.c) i32;
proc ucnv_fromAlgorithmic(
    cnv: ptr int,  # UConverter* in/out
    algorithmicType: int32,  # UConverterType
    target: cstring,  # LPSTR
    targetCapacity: int32,  # INT
    source: cstring,  # LPCSTR
    sourceLength: int32,  # INT
    pErrorCode: ptr int32  # UErrorCode* in/out
): int32 {.importc: "ucnv_fromAlgorithmic", cdecl, dynlib: "icuuc.dll".}
pragma(lib, "icuuc");
extern(C)
int ucnv_fromAlgorithmic(
    ptrdiff_t* cnv,   // UConverter* in/out
    int algorithmicType,   // UConverterType
    const(char)* target,   // LPSTR
    int targetCapacity,   // INT
    const(char)* source,   // LPCSTR
    int sourceLength,   // INT
    int* pErrorCode   // UErrorCode* in/out
);
ccall((:ucnv_fromAlgorithmic, "icuuc.dll"), Int32,
      (Ptr{Int}, Int32, Cstring, Int32, Cstring, Int32, Ptr{Int32}),
      cnv, algorithmicType, target, targetCapacity, source, sourceLength, pErrorCode)
# cnv : UConverter* in/out -> Ptr{Int}
# algorithmicType : UConverterType -> Int32
# target : LPSTR -> Cstring
# targetCapacity : INT -> Int32
# source : LPCSTR -> Cstring
# sourceLength : INT -> Int32
# pErrorCode : UErrorCode* in/out -> Ptr{Int32}
local ffi = require("ffi")
ffi.cdef[[
int32_t ucnv_fromAlgorithmic(
    intptr_t* cnv,
    int32_t algorithmicType,
    const char* target,
    int32_t targetCapacity,
    const char* source,
    int32_t sourceLength,
    int32_t* pErrorCode);
]]
local icuuc = ffi.load("icuuc")
-- icuuc.ucnv_fromAlgorithmic(cnv, algorithmicType, target, targetCapacity, source, sourceLength, pErrorCode)
-- cnv : UConverter* in/out
-- algorithmicType : UConverterType
-- target : LPSTR
-- targetCapacity : INT
-- source : LPCSTR
-- sourceLength : INT
-- pErrorCode : 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 ucnv_fromAlgorithmic = lib.func('__cdecl', 'ucnv_fromAlgorithmic', 'int32_t', ['intptr_t *', 'int32_t', 'str', 'int32_t', 'str', 'int32_t', 'int32_t *']);
// ucnv_fromAlgorithmic(cnv, algorithmicType, target, targetCapacity, source, sourceLength, pErrorCode)
// cnv : UConverter* in/out -> 'intptr_t *'
// algorithmicType : UConverterType -> 'int32_t'
// target : LPSTR -> 'str'
// targetCapacity : INT -> 'int32_t'
// source : LPCSTR -> 'str'
// sourceLength : INT -> 'int32_t'
// pErrorCode : 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", {
  ucnv_fromAlgorithmic: { parameters: ["pointer", "i32", "buffer", "i32", "buffer", "i32", "pointer"], result: "i32" },
});
// lib.symbols.ucnv_fromAlgorithmic(cnv, algorithmicType, target, targetCapacity, source, sourceLength, pErrorCode)
// cnv : UConverter* in/out -> "pointer"
// algorithmicType : UConverterType -> "i32"
// target : LPSTR -> "buffer"
// targetCapacity : INT -> "i32"
// source : LPCSTR -> "buffer"
// sourceLength : INT -> "i32"
// pErrorCode : 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 ucnv_fromAlgorithmic(
    intptr_t* cnv,
    int32_t algorithmicType,
    const char* target,
    int32_t targetCapacity,
    const char* source,
    int32_t sourceLength,
    int32_t* pErrorCode);
C, "icuuc.dll");
// $ffi->ucnv_fromAlgorithmic(cnv, algorithmicType, target, targetCapacity, source, sourceLength, pErrorCode);
// cnv : UConverter* in/out
// algorithmicType : UConverterType
// target : LPSTR
// targetCapacity : INT
// source : LPCSTR
// sourceLength : INT
// pErrorCode : 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 ucnv_fromAlgorithmic(
        LongByReference cnv,   // UConverter* in/out
        int algorithmicType,   // UConverterType
        String target,   // LPSTR
        int targetCapacity,   // INT
        String source,   // LPCSTR
        int sourceLength,   // INT
        IntByReference pErrorCode   // UErrorCode* in/out
    );
}
@[Link("icuuc")]
lib Libicuuc
  fun ucnv_fromAlgorithmic = ucnv_fromAlgorithmic(
    cnv : LibC::SSizeT*,   # UConverter* in/out
    algorithmicType : Int32,   # UConverterType
    target : UInt8*,   # LPSTR
    targetCapacity : Int32,   # INT
    source : UInt8*,   # LPCSTR
    sourceLength : Int32,   # INT
    pErrorCode : 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 ucnv_fromAlgorithmicNative = Int32 Function(Pointer<IntPtr>, Int32, Pointer<Utf8>, Int32, Pointer<Utf8>, Int32, Pointer<Int32>);
typedef ucnv_fromAlgorithmicDart = int Function(Pointer<IntPtr>, int, Pointer<Utf8>, int, Pointer<Utf8>, int, Pointer<Int32>);
final ucnv_fromAlgorithmic = DynamicLibrary.open('icuuc.dll')
    .lookupFunction<ucnv_fromAlgorithmicNative, ucnv_fromAlgorithmicDart>('ucnv_fromAlgorithmic');
// cnv : UConverter* in/out -> Pointer<IntPtr>
// algorithmicType : UConverterType -> Int32
// target : LPSTR -> Pointer<Utf8>
// targetCapacity : INT -> Int32
// source : LPCSTR -> Pointer<Utf8>
// sourceLength : INT -> Int32
// pErrorCode : UErrorCode* in/out -> Pointer<Int32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。
{$mode objfpc}{$H+}
function ucnv_fromAlgorithmic(
  cnv: Pointer;   // UConverter* in/out
  algorithmicType: Integer;   // UConverterType
  target: PAnsiChar;   // LPSTR
  targetCapacity: Integer;   // INT
  source: PAnsiChar;   // LPCSTR
  sourceLength: Integer;   // INT
  pErrorCode: Pointer   // UErrorCode* in/out
): Integer; cdecl;
  external 'icuuc.dll' name 'ucnv_fromAlgorithmic';
import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import ccall safe "ucnv_fromAlgorithmic"
  c_ucnv_fromAlgorithmic :: Ptr CIntPtr -> Int32 -> CString -> Int32 -> CString -> Int32 -> Ptr Int32 -> IO Int32
-- cnv : UConverter* in/out -> Ptr CIntPtr
-- algorithmicType : UConverterType -> Int32
-- target : LPSTR -> CString
-- targetCapacity : INT -> Int32
-- source : LPCSTR -> CString
-- sourceLength : INT -> Int32
-- pErrorCode : 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 ucnv_fromalgorithmic =
  foreign "ucnv_fromAlgorithmic"
    ((ptr intptr_t) @-> int32_t @-> string @-> int32_t @-> string @-> int32_t @-> (ptr int32_t) @-> returning int32_t)
(* cnv : UConverter* in/out -> (ptr intptr_t) *)
(* algorithmicType : UConverterType -> int32_t *)
(* target : LPSTR -> string *)
(* targetCapacity : INT -> int32_t *)
(* source : LPCSTR -> string *)
(* sourceLength : INT -> int32_t *)
(* pErrorCode : 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 ("ucnv_fromAlgorithmic" ucnv-from-algorithmic :convention :cdecl) :int32
  (cnv :pointer)   ; UConverter* in/out
  (algorithmic-type :int32)   ; UConverterType
  (target :string)   ; LPSTR
  (target-capacity :int32)   ; INT
  (source :string)   ; LPCSTR
  (source-length :int32)   ; INT
  (p-error-code :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 $ucnv_fromAlgorithmic = Win32::API::More->new('icuuc',
    'int ucnv_fromAlgorithmic(LPVOID cnv, int algorithmicType, LPCSTR target, int targetCapacity, LPCSTR source, int sourceLength, LPVOID pErrorCode)');
# my $ret = $ucnv_fromAlgorithmic->Call($cnv, $algorithmicType, $target, $targetCapacity, $source, $sourceLength, $pErrorCode);
# cnv : UConverter* in/out -> LPVOID
# algorithmicType : UConverterType -> int
# target : LPSTR -> LPCSTR
# targetCapacity : INT -> int
# source : LPCSTR -> LPCSTR
# sourceLength : INT -> int
# pErrorCode : 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。

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