gecko-dev/xpcom/tests/CvtURL.cpp

95 строки
2.4 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include <stdio.h>
#include "nscore.h"
#include "nsIConverterInputStream.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_ConvertASCIItoUTF16(aName));
}
int main(int argc, char** argv)
{
if (3 != argc) {
printf("usage: CvtURL url utf8\n");
return -1;
}
char* characterSetName = argv[2];
nsString* cset = ConvertCharacterSetName(characterSetName);
if (NS_PTR_TO_INT32(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 (nullptr == 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
nsCOMPtr<nsIConverterInputStream> uin =
do_CreateInstance("@mozilla.org/intl/converter-input-stream;1", &rv);
if (NS_SUCCEEDED(rv))
rv = uin->Init(in, cset->get(), 4096);
if (NS_FAILED(rv)) {
printf("can't create converter input stream: %d\n", rv);
return -1;
}
// Read the input and write some output
PRTime start = PR_Now();
int32_t count = 0;
for (;;) {
PRUnichar buf[1000];
uint32_t 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();
url->Release();
return 0;
}