зеркало из https://github.com/mozilla/gecko-dev.git
104 строки
2.7 KiB
C++
104 строки
2.7 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#include <stdio.h>
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#include "nsIUnicharInputStream.h"
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#include "nsIURL.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(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 character-set-name\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 (PRInt32(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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nsIURL* url;
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nsresult rv = NS_NewURL(&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_OpenURL(url, &in);
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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 unicode
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nsIUnicharInputStream* uin;
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rv = NS_NewConverterStream(&uin, nsnull, in, 0, cset);
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if (NS_OK != 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 (ec < 0) {
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if (ec != NS_BASE_STREAM_EOF) {
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printf("i/o error: %d\n", ec);
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}
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break;
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}
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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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uin->Release();
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url->Release();
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return 0;
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}
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