mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-30 00:01:50 +00:00
92 lines
2.3 KiB
C++
92 lines
2.3 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 = (end - start) / 1000;
|
|
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;
|
|
}
|