pjs/xpcom/tests/CvtURL.cpp

109 строки
2.8 KiB
C++
Исходник Обычный вид История

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/* -*- 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 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/NPL/
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*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
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*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
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*/
#include <stdio.h>
#include "nsIUnicharInputStream.h"
#include "nsIURL.h"
#include "nsNetUtil.h"
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#include "nsCRT.h"
#include "nsString.h"
#include "prprf.h"
#include "prtime.h"
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static nsString* ConvertCharacterSetName(const char* aName)
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{
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return new nsString(aName);
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}
int main(int argc, char** argv)
{
if (3 != argc) {
printf("usage: CvtURL url character-set-name\n");
return -1;
}
char* characterSetName = argv[2];
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nsString* cset = ConvertCharacterSetName(characterSetName);
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if (PRInt32(cset) < 0) {
printf("illegal character set name: '%s'\n", characterSetName);
return -1;
}
// Create url object
char* urlName = argv[1];
nsIURI* url;
nsresult rv;
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rv = NS_NewURI(&url, urlName);
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if (NS_OK != rv) {
printf("invalid URL: '%s'\n", urlName);
return -1;
}
// Get an input stream from the url
nsresult ec;
nsIInputStream* in;
ec = NS_OpenURI(&in, url);
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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];
PRUint32 nb;
ec = uin->Read(buf, 0, 1000, &nb);
if (NS_FAILED(ec)) {
printf("i/o error: %d\n", ec);
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break;
}
if (nb == 0) break; // EOF
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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;
}