gecko-dev/xpcom/tests/CvtURL.cpp

105 строки
2.7 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
#include <stdio.h>
#include "nsIUnicharInputStream.h"
#include "nsIURL.h"
#include "nsCRT.h"
#include "nsString.h"
#include "prprf.h"
#include "prtime.h"
static nsCharSetID ConvertCharacterSetName(const char* aName)
{
if (nsCRT::strcasecmp(aName, "iso-latin-1") == 0) {
return eCharSetID_IsoLatin1;
}
return (nsCharSetID) -1;
}
int main(int argc, char** argv)
{
if (3 != argc) {
printf("usage: CvtURL url character-set-name\n");
return -1;
}
char* characterSetName = argv[2];
nsCharSetID cset = ConvertCharacterSetName(characterSetName);
if (PRInt32(cset) < 0) {
printf("illegal character set name: '%s'\n", characterSetName);
return -1;
}
// Create url object
char* urlName = argv[1];
nsIURL* url;
nsresult rv = NS_NewURL(&url, urlName);
if (NS_OK != rv) {
printf("invalid URL: '%s'\n", urlName);
return -1;
}
// Get an input stream from the url
PRInt32 ec;
nsIInputStream* in = url->Open(&ec);
if (nsnull == in) {
printf("open of url('%s') failed: error=%x\n", urlName, ec);
return -1;
}
// Translate the input using the argument character set id into unicode
nsIUnicharInputStream* uin;
rv = NS_NewConverterStream(&uin, nsnull, in, 0, cset);
if (NS_OK != rv) {
printf("can't create converter input stream: %d\n", rv);
return -1;
}
// Read the input and write some output
PRTime start = PR_Now();
PRInt32 count = 0;
for (;;) {
PRUnichar buf[1000];
PRInt32 nb = uin->Read(&ec, buf, 0, 1000);
if (nb <= 0) {
if (nb < 0) {
printf("i/o error: %d\n", ec);
}
break;
}
count += nb;
}
PRTime end = PR_Now();
PRTime conversion, ustoms;
LL_I2L(ustoms, 1000);
LL_SUB(conversion, end, start);
LL_DIV(conversion, conversion, ustoms);
char buf[500];
PR_snprintf(buf, sizeof(buf),
"converting and discarding %d bytes took %lldms",
count, conversion);
puts(buf);
// Release the objects
in->Release();
uin->Release();
url->Release();
return 0;
}