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CoInternetCombineUrl

関数

ベースURLと相対URLを結合して完全なURLを生成する。

DLLurlmon.dll呼出規約winapi

シグネチャ

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

HRESULT CoInternetCombineUrl(
    LPCWSTR pwzBaseUrl,
    LPCWSTR pwzRelativeUrl,
    DWORD dwCombineFlags,
    LPWSTR pszResult,
    DWORD cchResult,
    DWORD* pcchResult,   // optional
    DWORD dwReserved   // optional
);

パラメーター

名前	型	方向
pwzBaseUrl	LPCWSTR	in
pwzRelativeUrl	LPCWSTR	in
dwCombineFlags	DWORD	in
pszResult	LPWSTR	out
cchResult	DWORD	in
pcchResult	DWORD*	outoptional
dwReserved	DWORD	optional

戻り値の型: HRESULT

各言語での呼び出し定義

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

HRESULT CoInternetCombineUrl(
    LPCWSTR pwzBaseUrl,
    LPCWSTR pwzRelativeUrl,
    DWORD dwCombineFlags,
    LPWSTR pszResult,
    DWORD cchResult,
    DWORD* pcchResult,   // optional
    DWORD dwReserved   // optional
);

[DllImport("urlmon.dll", ExactSpelling = true)]
static extern int CoInternetCombineUrl(
    [MarshalAs(UnmanagedType.LPWStr)] string pwzBaseUrl,   // LPCWSTR
    [MarshalAs(UnmanagedType.LPWStr)] string pwzRelativeUrl,   // LPCWSTR
    uint dwCombineFlags,   // DWORD
    [MarshalAs(UnmanagedType.LPWStr)] System.Text.StringBuilder pszResult,   // LPWSTR out
    uint cchResult,   // DWORD
    IntPtr pcchResult,   // DWORD* optional, out
    uint dwReserved   // DWORD optional
);

<DllImport("urlmon.dll", ExactSpelling:=True)>
Public Shared Function CoInternetCombineUrl(
    <MarshalAs(UnmanagedType.LPWStr)> pwzBaseUrl As String,   ' LPCWSTR
    <MarshalAs(UnmanagedType.LPWStr)> pwzRelativeUrl As String,   ' LPCWSTR
    dwCombineFlags As UInteger,   ' DWORD
    <MarshalAs(UnmanagedType.LPWStr)> pszResult As System.Text.StringBuilder,   ' LPWSTR out
    cchResult As UInteger,   ' DWORD
    pcchResult As IntPtr,   ' DWORD* optional, out
    dwReserved As UInteger   ' DWORD optional
) As Integer
End Function

' pwzBaseUrl : LPCWSTR
' pwzRelativeUrl : LPCWSTR
' dwCombineFlags : DWORD
' pszResult : LPWSTR out
' cchResult : DWORD
' pcchResult : DWORD* optional, out
' dwReserved : DWORD optional
Declare PtrSafe Function CoInternetCombineUrl Lib "urlmon" ( _
    ByVal pwzBaseUrl As LongPtr, _
    ByVal pwzRelativeUrl As LongPtr, _
    ByVal dwCombineFlags As Long, _
    ByVal pszResult As LongPtr, _
    ByVal cchResult As Long, _
    ByVal pcchResult As LongPtr, _
    ByVal dwReserved 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

CoInternetCombineUrl = ctypes.windll.urlmon.CoInternetCombineUrl
CoInternetCombineUrl.restype = ctypes.c_int
CoInternetCombineUrl.argtypes = [
    wintypes.LPCWSTR,  # pwzBaseUrl : LPCWSTR
    wintypes.LPCWSTR,  # pwzRelativeUrl : LPCWSTR
    wintypes.DWORD,  # dwCombineFlags : DWORD
    wintypes.LPWSTR,  # pszResult : LPWSTR out
    wintypes.DWORD,  # cchResult : DWORD
    ctypes.POINTER(wintypes.DWORD),  # pcchResult : DWORD* optional, out
    wintypes.DWORD,  # dwReserved : DWORD optional
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('urlmon.dll')
CoInternetCombineUrl = Fiddle::Function.new(
  lib['CoInternetCombineUrl'],
  [
    Fiddle::TYPE_VOIDP,  # pwzBaseUrl : LPCWSTR
    Fiddle::TYPE_VOIDP,  # pwzRelativeUrl : LPCWSTR
    -Fiddle::TYPE_INT,  # dwCombineFlags : DWORD
    Fiddle::TYPE_VOIDP,  # pszResult : LPWSTR out
    -Fiddle::TYPE_INT,  # cchResult : DWORD
    Fiddle::TYPE_VOIDP,  # pcchResult : DWORD* optional, out
    -Fiddle::TYPE_INT,  # dwReserved : DWORD optional
  ],
  Fiddle::TYPE_INT)

#[link(name = "urlmon")]
extern "system" {
    fn CoInternetCombineUrl(
        pwzBaseUrl: *const u16,  // LPCWSTR
        pwzRelativeUrl: *const u16,  // LPCWSTR
        dwCombineFlags: u32,  // DWORD
        pszResult: *mut u16,  // LPWSTR out
        cchResult: u32,  // DWORD
        pcchResult: *mut u32,  // DWORD* optional, out
        dwReserved: u32  // DWORD optional
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("urlmon.dll")]
public static extern int CoInternetCombineUrl([MarshalAs(UnmanagedType.LPWStr)] string pwzBaseUrl, [MarshalAs(UnmanagedType.LPWStr)] string pwzRelativeUrl, uint dwCombineFlags, [MarshalAs(UnmanagedType.LPWStr)] System.Text.StringBuilder pszResult, uint cchResult, IntPtr pcchResult, uint dwReserved);
"@
$api = Add-Type -MemberDefinition $sig -Name 'urlmon_CoInternetCombineUrl' -Namespace Win32 -PassThru
# $api::CoInternetCombineUrl(pwzBaseUrl, pwzRelativeUrl, dwCombineFlags, pszResult, cchResult, pcchResult, dwReserved)

#uselib "urlmon.dll"
#func global CoInternetCombineUrl "CoInternetCombineUrl" sptr, sptr, sptr, sptr, sptr, sptr, sptr
; CoInternetCombineUrl pwzBaseUrl, pwzRelativeUrl, dwCombineFlags, varptr(pszResult), cchResult, varptr(pcchResult), dwReserved   ; 戻り値は stat
; pwzBaseUrl : LPCWSTR -> "sptr"
; pwzRelativeUrl : LPCWSTR -> "sptr"
; dwCombineFlags : DWORD -> "sptr"
; pszResult : LPWSTR out -> "sptr"
; cchResult : DWORD -> "sptr"
; pcchResult : DWORD* optional, out -> "sptr"
; dwReserved : DWORD 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 "urlmon.dll"
#cfunc global CoInternetCombineUrl "CoInternetCombineUrl" wstr, wstr, int, var, int, var, int
; res = CoInternetCombineUrl(pwzBaseUrl, pwzRelativeUrl, dwCombineFlags, pszResult, cchResult, pcchResult, dwReserved)
; pwzBaseUrl : LPCWSTR -> "wstr"
; pwzRelativeUrl : LPCWSTR -> "wstr"
; dwCombineFlags : DWORD -> "int"
; pszResult : LPWSTR out -> "var"
; cchResult : DWORD -> "int"
; pcchResult : DWORD* optional, out -> "var"
; dwReserved : DWORD optional -> "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 "urlmon.dll"
#cfunc global CoInternetCombineUrl "CoInternetCombineUrl" wstr, wstr, int, sptr, int, sptr, int
; res = CoInternetCombineUrl(pwzBaseUrl, pwzRelativeUrl, dwCombineFlags, varptr(pszResult), cchResult, varptr(pcchResult), dwReserved)
; pwzBaseUrl : LPCWSTR -> "wstr"
; pwzRelativeUrl : LPCWSTR -> "wstr"
; dwCombineFlags : DWORD -> "int"
; pszResult : LPWSTR out -> "sptr"
; cchResult : DWORD -> "int"
; pcchResult : DWORD* optional, out -> "sptr"
; dwReserved : DWORD optional -> "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:

; HRESULT CoInternetCombineUrl(LPCWSTR pwzBaseUrl, LPCWSTR pwzRelativeUrl, DWORD dwCombineFlags, LPWSTR pszResult, DWORD cchResult, DWORD* pcchResult, DWORD dwReserved)
#uselib "urlmon.dll"
#cfunc global CoInternetCombineUrl "CoInternetCombineUrl" wstr, wstr, int, var, int, var, int
; res = CoInternetCombineUrl(pwzBaseUrl, pwzRelativeUrl, dwCombineFlags, pszResult, cchResult, pcchResult, dwReserved)
; pwzBaseUrl : LPCWSTR -> "wstr"
; pwzRelativeUrl : LPCWSTR -> "wstr"
; dwCombineFlags : DWORD -> "int"
; pszResult : LPWSTR out -> "var"
; cchResult : DWORD -> "int"
; pcchResult : DWORD* optional, out -> "var"
; dwReserved : DWORD optional -> "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。; HRESULT CoInternetCombineUrl(LPCWSTR pwzBaseUrl, LPCWSTR pwzRelativeUrl, DWORD dwCombineFlags, LPWSTR pszResult, DWORD cchResult, DWORD* pcchResult, DWORD dwReserved)
#uselib "urlmon.dll"
#cfunc global CoInternetCombineUrl "CoInternetCombineUrl" wstr, wstr, int, intptr, int, intptr, int
; res = CoInternetCombineUrl(pwzBaseUrl, pwzRelativeUrl, dwCombineFlags, varptr(pszResult), cchResult, varptr(pcchResult), dwReserved)
; pwzBaseUrl : LPCWSTR -> "wstr"
; pwzRelativeUrl : LPCWSTR -> "wstr"
; dwCombineFlags : DWORD -> "int"
; pszResult : LPWSTR out -> "intptr"
; cchResult : DWORD -> "int"
; pcchResult : DWORD* optional, out -> "intptr"
; dwReserved : DWORD optional -> "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 (
	urlmon = windows.NewLazySystemDLL("urlmon.dll")
	procCoInternetCombineUrl = urlmon.NewProc("CoInternetCombineUrl")
)

// pwzBaseUrl (LPCWSTR), pwzRelativeUrl (LPCWSTR), dwCombineFlags (DWORD), pszResult (LPWSTR out), cchResult (DWORD), pcchResult (DWORD* optional, out), dwReserved (DWORD optional)
r1, _, err := procCoInternetCombineUrl.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pwzBaseUrl))),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pwzRelativeUrl))),
	uintptr(dwCombineFlags),
	uintptr(pszResult),
	uintptr(cchResult),
	uintptr(pcchResult),
	uintptr(dwReserved),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function CoInternetCombineUrl(
  pwzBaseUrl: PWideChar;   // LPCWSTR
  pwzRelativeUrl: PWideChar;   // LPCWSTR
  dwCombineFlags: DWORD;   // DWORD
  pszResult: PWideChar;   // LPWSTR out
  cchResult: DWORD;   // DWORD
  pcchResult: Pointer;   // DWORD* optional, out
  dwReserved: DWORD   // DWORD optional
): Integer; stdcall;
  external 'urlmon.dll' name 'CoInternetCombineUrl';

result := DllCall("urlmon\CoInternetCombineUrl"
    , "WStr", pwzBaseUrl   ; LPCWSTR
    , "WStr", pwzRelativeUrl   ; LPCWSTR
    , "UInt", dwCombineFlags   ; DWORD
    , "Ptr", pszResult   ; LPWSTR out
    , "UInt", cchResult   ; DWORD
    , "Ptr", pcchResult   ; DWORD* optional, out
    , "UInt", dwReserved   ; DWORD optional
    , "Int")   ; return: HRESULT

●CoInternetCombineUrl(pwzBaseUrl, pwzRelativeUrl, dwCombineFlags, pszResult, cchResult, pcchResult, dwReserved) = DLL("urlmon.dll", "int CoInternetCombineUrl(char*, char*, dword, char*, dword, void*, dword)")
# 呼び出し: CoInternetCombineUrl(pwzBaseUrl, pwzRelativeUrl, dwCombineFlags, pszResult, cchResult, pcchResult, dwReserved)
# pwzBaseUrl : LPCWSTR -> "char*"
# pwzRelativeUrl : LPCWSTR -> "char*"
# dwCombineFlags : DWORD -> "dword"
# pszResult : LPWSTR out -> "char*"
# cchResult : DWORD -> "dword"
# pcchResult : DWORD* optional, out -> "void*"
# dwReserved : DWORD optional -> "dword"
# 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)。