зеркало из https://github.com/mozilla/pjs.git
109 строки
2.8 KiB
C++
109 строки
2.8 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 1.1 (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/
|
|
*
|
|
* 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.
|
|
*
|
|
* The Original Code is mozilla.org code.
|
|
*
|
|
* The Initial Developer of the Original Code is Netscape
|
|
* Communications Corporation. Portions created by Netscape are
|
|
* Copyright (C) 1998 Netscape Communications Corporation. All
|
|
* Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
*/
|
|
#include <stdio.h>
|
|
#include "nsIUnicharInputStream.h"
|
|
#include "nsIURL.h"
|
|
#include "nsNetUtil.h"
|
|
#include "nsCRT.h"
|
|
#include "nsString.h"
|
|
#include "prprf.h"
|
|
#include "prtime.h"
|
|
|
|
static nsString* ConvertCharacterSetName(const char* aName)
|
|
{
|
|
return new nsString(NS_ConvertASCIItoUCS2(aName));
|
|
}
|
|
|
|
int main(int argc, char** argv)
|
|
{
|
|
if (3 != argc) {
|
|
printf("usage: CvtURL url character-set-name\n");
|
|
return -1;
|
|
}
|
|
|
|
char* characterSetName = argv[2];
|
|
nsString* cset = ConvertCharacterSetName(characterSetName);
|
|
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;
|
|
rv = NS_NewURI(&url, urlName);
|
|
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);
|
|
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);
|
|
break;
|
|
}
|
|
if (nb == 0) break; // EOF
|
|
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;
|
|
}
|