зеркало из https://github.com/mozilla/pjs.git
127 строки
3.8 KiB
C++
127 строки
3.8 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include <stdio.h>
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#include "nscore.h"
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#include "nsIConverterInputStream.h"
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#include "nsIURL.h"
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#include "nsNetUtil.h"
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#include "nsCRT.h"
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#include "nsString.h"
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#include "prprf.h"
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#include "prtime.h"
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static nsString* ConvertCharacterSetName(const char* aName)
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{
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return new nsString(NS_ConvertASCIItoUTF16(aName));
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}
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int main(int argc, char** argv)
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{
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if (3 != argc) {
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printf("usage: CvtURL url utf8\n");
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return -1;
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}
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char* characterSetName = argv[2];
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nsString* cset = ConvertCharacterSetName(characterSetName);
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if (NS_PTR_TO_INT32(cset) < 0) {
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printf("illegal character set name: '%s'\n", characterSetName);
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return -1;
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}
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// Create url object
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char* urlName = argv[1];
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nsIURI* url;
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nsresult rv;
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rv = NS_NewURI(&url, urlName);
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if (NS_OK != rv) {
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printf("invalid URL: '%s'\n", urlName);
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return -1;
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}
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// Get an input stream from the url
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nsresult ec;
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nsIInputStream* in;
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ec = NS_OpenURI(&in, url);
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if (nsnull == in) {
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printf("open of url('%s') failed: error=%x\n", urlName, ec);
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return -1;
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}
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// Translate the input using the argument character set id into
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// unicode
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nsCOMPtr<nsIConverterInputStream> uin =
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do_CreateInstance("@mozilla.org/intl/converter-input-stream;1", &rv);
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if (NS_SUCCEEDED(rv))
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rv = uin->Init(in, cset->get(), 4096);
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if (NS_FAILED(rv)) {
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printf("can't create converter input stream: %d\n", rv);
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return -1;
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}
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// Read the input and write some output
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PRTime start = PR_Now();
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PRInt32 count = 0;
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for (;;) {
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PRUnichar buf[1000];
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PRUint32 nb;
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ec = uin->Read(buf, 0, 1000, &nb);
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if (NS_FAILED(ec)) {
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printf("i/o error: %d\n", ec);
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break;
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}
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if (nb == 0) break; // EOF
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count += nb;
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}
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PRTime end = PR_Now();
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PRTime conversion, ustoms;
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LL_I2L(ustoms, 1000);
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LL_SUB(conversion, end, start);
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LL_DIV(conversion, conversion, ustoms);
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char buf[500];
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PR_snprintf(buf, sizeof(buf),
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"converting and discarding %d bytes took %lldms",
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count, conversion);
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puts(buf);
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// Release the objects
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in->Release();
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url->Release();
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return 0;
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}
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