xpcom/tests/CvtURL.cpp

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* ***** BEGIN LICENSE BLOCK *****
   3  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
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  15  * The Original Code is mozilla.org code.
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  17  * The Initial Developer of the Original Code is
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  20  * the Initial Developer. All Rights Reserved.
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  36  * ***** END LICENSE BLOCK ***** */
  37 #include <stdio.h>
  38 #include "nscore.h"
  39 #include "nsIConverterInputStream.h"
  40 #include "nsIURL.h"
  41 #include "nsNetUtil.h"
  42 #include "nsCRT.h"
  43 #include "nsString.h"
  44 #include "prprf.h"
  45 #include "prtime.h"
  46
  47 static nsString* ConvertCharacterSetName(const char* aName)
  48 {
  49   return new nsString(NS_ConvertASCIItoUTF16(aName));
  50 }
  51
  52 int main(int argc, char** argv)
  53 {
  54   if (3 != argc) {
  55     printf("usage: CvtURL url utf8\n");
  56     return -1;
  57   }
  58
  59   char* characterSetName = argv[2];
  60   nsString* cset = ConvertCharacterSetName(characterSetName);
  61   if (NS_PTR_TO_INT32(cset) < 0) {
  62     printf("illegal character set name: '%s'\n", characterSetName);
  63     return -1;
  64   }
  65
  66   // Create url object
  67   char* urlName = argv[1];
  68   nsIURI* url;
  69   nsresult rv;
  70   rv = NS_NewURI(&url, urlName);
  71   if (NS_OK != rv) {
  72     printf("invalid URL: '%s'\n", urlName);
  73     return -1;
  74   }
  75
  76   // Get an input stream from the url
  77   nsresult ec;
  78   nsIInputStream* in;
  79   ec = NS_OpenURI(&in, url);
  80   if (nsnull == in) {
  81     printf("open of url('%s') failed: error=%x\n", urlName, ec);
  82     return -1;
  83   }
  84
  85   // Translate the input using the argument character set id into
  86   // unicode
  87   nsCOMPtr<nsIConverterInputStream> uin =
  88     do_CreateInstance("@mozilla.org/intl/converter-input-stream;1", &rv);
  89   if (NS_SUCCEEDED(rv))
  90     rv = uin->Init(in, cset->get(), 4096);
  91   if (NS_FAILED(rv)) {
  92     printf("can't create converter input stream: %d\n", rv);
  93     return -1;
  94   }
  95
  96   // Read the input and write some output
  97   PRTime start = PR_Now();
  98   PRInt32 count = 0;
  99   for (;;) {
 100     PRUnichar buf[1000];
 101     PRUint32 nb;
 102     ec = uin->Read(buf, 0, 1000, &nb);
 103     if (NS_FAILED(ec)) {
 104       printf("i/o error: %d\n", ec);
 105       break;
 106     }
 107     if (nb == 0) break; // EOF
 108     count += nb;
 109   }
 110   PRTime end = PR_Now();
 111   PRTime conversion, ustoms;
 112   LL_I2L(ustoms, 1000);
 113   LL_SUB(conversion, end, start);
 114   LL_DIV(conversion, conversion, ustoms);
 115   char buf[500];
 116   PR_snprintf(buf, sizeof(buf),
 117               "converting and discarding %d bytes took %lldms",
 118               count, conversion);
 119   puts(buf);
 120
 121   // Release the objects
 122   in->Release();
 123   url->Release();
 124
 125   return 0;
 126 }