ホーム › System.Com.Urlmon › CoInternetParseUrl

CoInternetParseUrl

関数

指定した動作に従いURLを解析して正規化や情報抽出を行う。

DLLurlmon.dll呼出規約winapi

シグネチャ

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

HRESULT CoInternetParseUrl(
    LPCWSTR pwzUrl,
    PARSEACTION ParseAction,
    DWORD dwFlags,
    LPWSTR pszResult,
    DWORD cchResult,
    DWORD* pcchResult,
    DWORD dwReserved
);

パラメーター

名前	型	方向
pwzUrl	LPCWSTR	in
ParseAction	PARSEACTION	in
dwFlags	DWORD	in
pszResult	LPWSTR	out
cchResult	DWORD	in
pcchResult	DWORD*	out
dwReserved	DWORD	in

戻り値の型: HRESULT

各言語での呼び出し定義

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

HRESULT CoInternetParseUrl(
    LPCWSTR pwzUrl,
    PARSEACTION ParseAction,
    DWORD dwFlags,
    LPWSTR pszResult,
    DWORD cchResult,
    DWORD* pcchResult,
    DWORD dwReserved
);

[DllImport("urlmon.dll", ExactSpelling = true)]
static extern int CoInternetParseUrl(
    [MarshalAs(UnmanagedType.LPWStr)] string pwzUrl,   // LPCWSTR
    int ParseAction,   // PARSEACTION
    uint dwFlags,   // DWORD
    [MarshalAs(UnmanagedType.LPWStr)] System.Text.StringBuilder pszResult,   // LPWSTR out
    uint cchResult,   // DWORD
    out uint pcchResult,   // DWORD* out
    uint dwReserved   // DWORD
);

<DllImport("urlmon.dll", ExactSpelling:=True)>
Public Shared Function CoInternetParseUrl(
    <MarshalAs(UnmanagedType.LPWStr)> pwzUrl As String,   ' LPCWSTR
    ParseAction As Integer,   ' PARSEACTION
    dwFlags As UInteger,   ' DWORD
    <MarshalAs(UnmanagedType.LPWStr)> pszResult As System.Text.StringBuilder,   ' LPWSTR out
    cchResult As UInteger,   ' DWORD
    <Out> ByRef pcchResult As UInteger,   ' DWORD* out
    dwReserved As UInteger   ' DWORD
) As Integer
End Function

' pwzUrl : LPCWSTR
' ParseAction : PARSEACTION
' dwFlags : DWORD
' pszResult : LPWSTR out
' cchResult : DWORD
' pcchResult : DWORD* out
' dwReserved : DWORD
Declare PtrSafe Function CoInternetParseUrl Lib "urlmon" ( _
    ByVal pwzUrl As LongPtr, _
    ByVal ParseAction As Long, _
    ByVal dwFlags As Long, _
    ByVal pszResult As LongPtr, _
    ByVal cchResult As Long, _
    ByRef pcchResult As Long, _
    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

CoInternetParseUrl = ctypes.windll.urlmon.CoInternetParseUrl
CoInternetParseUrl.restype = ctypes.c_int
CoInternetParseUrl.argtypes = [
    wintypes.LPCWSTR,  # pwzUrl : LPCWSTR
    ctypes.c_int,  # ParseAction : PARSEACTION
    wintypes.DWORD,  # dwFlags : DWORD
    wintypes.LPWSTR,  # pszResult : LPWSTR out
    wintypes.DWORD,  # cchResult : DWORD
    ctypes.POINTER(wintypes.DWORD),  # pcchResult : DWORD* out
    wintypes.DWORD,  # dwReserved : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('urlmon.dll')
CoInternetParseUrl = Fiddle::Function.new(
  lib['CoInternetParseUrl'],
  [
    Fiddle::TYPE_VOIDP,  # pwzUrl : LPCWSTR
    Fiddle::TYPE_INT,  # ParseAction : PARSEACTION
    -Fiddle::TYPE_INT,  # dwFlags : DWORD
    Fiddle::TYPE_VOIDP,  # pszResult : LPWSTR out
    -Fiddle::TYPE_INT,  # cchResult : DWORD
    Fiddle::TYPE_VOIDP,  # pcchResult : DWORD* out
    -Fiddle::TYPE_INT,  # dwReserved : DWORD
  ],
  Fiddle::TYPE_INT)

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

$sig = @"
[DllImport("urlmon.dll")]
public static extern int CoInternetParseUrl([MarshalAs(UnmanagedType.LPWStr)] string pwzUrl, int ParseAction, uint dwFlags, [MarshalAs(UnmanagedType.LPWStr)] System.Text.StringBuilder pszResult, uint cchResult, out uint pcchResult, uint dwReserved);
"@
$api = Add-Type -MemberDefinition $sig -Name 'urlmon_CoInternetParseUrl' -Namespace Win32 -PassThru
# $api::CoInternetParseUrl(pwzUrl, ParseAction, dwFlags, pszResult, cchResult, pcchResult, dwReserved)

#uselib "urlmon.dll"
#func global CoInternetParseUrl "CoInternetParseUrl" sptr, sptr, sptr, sptr, sptr, sptr, sptr
; CoInternetParseUrl pwzUrl, ParseAction, dwFlags, varptr(pszResult), cchResult, varptr(pcchResult), dwReserved   ; 戻り値は stat
; pwzUrl : LPCWSTR -> "sptr"
; ParseAction : PARSEACTION -> "sptr"
; dwFlags : DWORD -> "sptr"
; pszResult : LPWSTR out -> "sptr"
; cchResult : DWORD -> "sptr"
; pcchResult : DWORD* out -> "sptr"
; dwReserved : DWORD -> "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 CoInternetParseUrl "CoInternetParseUrl" wstr, int, int, var, int, var, int
; res = CoInternetParseUrl(pwzUrl, ParseAction, dwFlags, pszResult, cchResult, pcchResult, dwReserved)
; pwzUrl : LPCWSTR -> "wstr"
; ParseAction : PARSEACTION -> "int"
; dwFlags : DWORD -> "int"
; pszResult : LPWSTR out -> "var"
; cchResult : DWORD -> "int"
; pcchResult : DWORD* out -> "var"
; dwReserved : DWORD -> "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 CoInternetParseUrl "CoInternetParseUrl" wstr, int, int, sptr, int, sptr, int
; res = CoInternetParseUrl(pwzUrl, ParseAction, dwFlags, varptr(pszResult), cchResult, varptr(pcchResult), dwReserved)
; pwzUrl : LPCWSTR -> "wstr"
; ParseAction : PARSEACTION -> "int"
; dwFlags : DWORD -> "int"
; pszResult : LPWSTR out -> "sptr"
; cchResult : DWORD -> "int"
; pcchResult : DWORD* out -> "sptr"
; dwReserved : DWORD -> "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 CoInternetParseUrl(LPCWSTR pwzUrl, PARSEACTION ParseAction, DWORD dwFlags, LPWSTR pszResult, DWORD cchResult, DWORD* pcchResult, DWORD dwReserved)
#uselib "urlmon.dll"
#cfunc global CoInternetParseUrl "CoInternetParseUrl" wstr, int, int, var, int, var, int
; res = CoInternetParseUrl(pwzUrl, ParseAction, dwFlags, pszResult, cchResult, pcchResult, dwReserved)
; pwzUrl : LPCWSTR -> "wstr"
; ParseAction : PARSEACTION -> "int"
; dwFlags : DWORD -> "int"
; pszResult : LPWSTR out -> "var"
; cchResult : DWORD -> "int"
; pcchResult : DWORD* out -> "var"
; dwReserved : DWORD -> "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 CoInternetParseUrl(LPCWSTR pwzUrl, PARSEACTION ParseAction, DWORD dwFlags, LPWSTR pszResult, DWORD cchResult, DWORD* pcchResult, DWORD dwReserved)
#uselib "urlmon.dll"
#cfunc global CoInternetParseUrl "CoInternetParseUrl" wstr, int, int, intptr, int, intptr, int
; res = CoInternetParseUrl(pwzUrl, ParseAction, dwFlags, varptr(pszResult), cchResult, varptr(pcchResult), dwReserved)
; pwzUrl : LPCWSTR -> "wstr"
; ParseAction : PARSEACTION -> "int"
; dwFlags : DWORD -> "int"
; pszResult : LPWSTR out -> "intptr"
; cchResult : DWORD -> "int"
; pcchResult : DWORD* out -> "intptr"
; dwReserved : DWORD -> "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")
	procCoInternetParseUrl = urlmon.NewProc("CoInternetParseUrl")
)

// pwzUrl (LPCWSTR), ParseAction (PARSEACTION), dwFlags (DWORD), pszResult (LPWSTR out), cchResult (DWORD), pcchResult (DWORD* out), dwReserved (DWORD)
r1, _, err := procCoInternetParseUrl.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pwzUrl))),
	uintptr(ParseAction),
	uintptr(dwFlags),
	uintptr(pszResult),
	uintptr(cchResult),
	uintptr(pcchResult),
	uintptr(dwReserved),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function CoInternetParseUrl(
  pwzUrl: PWideChar;   // LPCWSTR
  ParseAction: Integer;   // PARSEACTION
  dwFlags: DWORD;   // DWORD
  pszResult: PWideChar;   // LPWSTR out
  cchResult: DWORD;   // DWORD
  pcchResult: Pointer;   // DWORD* out
  dwReserved: DWORD   // DWORD
): Integer; stdcall;
  external 'urlmon.dll' name 'CoInternetParseUrl';

result := DllCall("urlmon\CoInternetParseUrl"
    , "WStr", pwzUrl   ; LPCWSTR
    , "Int", ParseAction   ; PARSEACTION
    , "UInt", dwFlags   ; DWORD
    , "Ptr", pszResult   ; LPWSTR out
    , "UInt", cchResult   ; DWORD
    , "Ptr", pcchResult   ; DWORD* out
    , "UInt", dwReserved   ; DWORD
    , "Int")   ; return: HRESULT

●CoInternetParseUrl(pwzUrl, ParseAction, dwFlags, pszResult, cchResult, pcchResult, dwReserved) = DLL("urlmon.dll", "int CoInternetParseUrl(char*, int, dword, char*, dword, void*, dword)")
# 呼び出し: CoInternetParseUrl(pwzUrl, ParseAction, dwFlags, pszResult, cchResult, pcchResult, dwReserved)
# pwzUrl : LPCWSTR -> "char*"
# ParseAction : PARSEACTION -> "int"
# dwFlags : DWORD -> "dword"
# pszResult : LPWSTR out -> "char*"
# cchResult : DWORD -> "dword"
# pcchResult : DWORD* out -> "void*"
# dwReserved : DWORD -> "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)。