C++ SetURI函数代码示例

nsFileChannel::nsFileChannel(nsIURI *uri) 
{
  // If we have a link file, we should resolve its target right away.
  // This is to protect against a same origin attack where the same link file
  // can point to different resources right after the first resource is loaded.
  nsCOMPtr<nsIFile> file;
  nsCOMPtr <nsIURI> targetURI;
  nsAutoCString fileTarget;
  nsCOMPtr<nsIFile> resolvedFile;
  bool symLink;
  nsCOMPtr<nsIFileURL> fileURL = do_QueryInterface(uri);
  if (fileURL && 
      NS_SUCCEEDED(fileURL->GetFile(getter_AddRefs(file))) &&
      NS_SUCCEEDED(file->IsSymlink(&symLink)) && 
      symLink &&
      NS_SUCCEEDED(file->GetNativeTarget(fileTarget)) &&
      NS_SUCCEEDED(NS_NewNativeLocalFile(fileTarget, PR_TRUE, 
                                         getter_AddRefs(resolvedFile))) &&
      NS_SUCCEEDED(NS_NewFileURI(getter_AddRefs(targetURI), 
                   resolvedFile, nullptr))) {
    SetURI(targetURI);
    SetOriginalURI(uri);
    nsLoadFlags loadFlags = 0;
    GetLoadFlags(&loadFlags);
    SetLoadFlags(loadFlags | nsIChannel::LOAD_REPLACE);
  } else {
    SetURI(uri);
  }
}

/*
 * Handler when invite state has changed.
 */
static void on_call_state (pjsua_call_id call_id, pjsip_event *e)
{
    pjsua_call_info call_info;

    PJ_UNUSED_ARG (e);

    pjsua_call_get_info (call_id, &call_info);

    if (call_info.state == PJSIP_INV_STATE_DISCONNECTED) {

        g_current_call = PJSUA_INVALID_ID;
        SetURI (SIP_DST_URI, -1);
        SetAction (ID_MENU_CALL);
        //SetCallStatus(call_info.state_text.ptr, call_info.state_text.slen);
        SetCallStatus (call_info.last_status_text.ptr, call_info.last_status_text.slen);

    } else {
        //if (g_current_call == PJSUA_INVALID_ID)
        //    g_current_call = call_id;

        if (call_info.remote_contact.slen)
            SetURI (call_info.remote_contact.ptr, call_info.remote_contact.slen, false);
        else
            SetURI (call_info.remote_info.ptr, call_info.remote_info.slen, false);

        if (call_info.state == PJSIP_INV_STATE_CONFIRMED)
            SetAction (ID_MENU_DISCONNECT);

        SetCallStatus (call_info.state_text.ptr, call_info.state_text.slen);
    }
}

	bool TryConnectionRequest::Create(rude::CGI& cgi)
	{
		SetVersion(cgi["version"]);
		SetDataEngine(cgi["engine"]);
		SetURI(cgi["uri"]);
		return true;
	}

void URLMainThread::SetProtocol(const nsAString& aProtocol, ErrorResult& aRv) {
  nsAString::const_iterator start, end;
  aProtocol.BeginReading(start);
  aProtocol.EndReading(end);
  nsAString::const_iterator iter(start);

  FindCharInReadable(':', iter, end);

  // Changing the protocol of a URL, changes the "nature" of the URI
  // implementation. In order to do this properly, we have to serialize the
  // existing URL and reparse it in a new object.
  nsCOMPtr<nsIURI> clone;
  nsresult rv = NS_MutateURI(GetURI())
                    .SetScheme(NS_ConvertUTF16toUTF8(Substring(start, iter)))
                    .Finalize(clone);
  if (NS_WARN_IF(NS_FAILED(rv))) {
    return;
  }

  nsAutoCString href;
  rv = clone->GetSpec(href);
  if (NS_WARN_IF(NS_FAILED(rv))) {
    return;
  }

  nsCOMPtr<nsIURI> uri;
  rv = NS_NewURI(getter_AddRefs(uri), href);
  if (NS_WARN_IF(NS_FAILED(rv))) {
    return;
  }

  SetURI(uri.forget());
}

NS_IMETHODIMP
nsLocation::SetPort(const nsAString& aPort)
{
  if (!CallerSubsumes())
    return NS_ERROR_DOM_SECURITY_ERR;

  nsCOMPtr<nsIURI> uri;
  nsresult rv = GetWritableURI(getter_AddRefs(uri));

  if (uri) {
    // perhaps use nsReadingIterators at some point?
    NS_ConvertUTF16toUTF8 portStr(aPort);
    const char *buf = portStr.get();
    int32_t port = -1;

    if (buf) {
      if (*buf == ':') {
        port = atol(buf+1);
      }
      else {
        port = atol(buf);
      }
    }

    rv = uri->SetPort(port);
    if (NS_SUCCEEDED(rv)) {
      SetURI(uri);
    }
  }

  return rv;
}

void
Location::SetSearch(const nsAString& aSearch,
                    nsIPrincipal& aSubjectPrincipal,
                    ErrorResult& aRv)
{
  if (!CallerSubsumes(&aSubjectPrincipal)) {
    aRv.Throw(NS_ERROR_DOM_SECURITY_ERR);
    return;
  }

  nsCOMPtr<nsIURI> uri;
  aRv = GetURI(getter_AddRefs(uri));
  nsCOMPtr<nsIURL> url(do_QueryInterface(uri));
  if (NS_WARN_IF(aRv.Failed()) || !url) {
    return;
  }

  if (nsIDocument* doc = GetEntryDocument()) {
    aRv = NS_MutateURI(uri)
            .SetQueryWithEncoding(NS_ConvertUTF16toUTF8(aSearch),
                                    doc->GetDocumentCharacterSet())
            .Finalize(uri);
  } else {
    aRv = NS_MutateURI(uri)
            .SetQuery(NS_ConvertUTF16toUTF8(aSearch))
            .Finalize(uri);
  }
  if (NS_WARN_IF(aRv.Failed())) {
    return;
  }

  aRv = SetURI(uri);
}

void
Location::SetHash(const nsAString& aHash,
                  nsIPrincipal& aSubjectPrincipal,
                  ErrorResult& aRv)
{
  if (!CallerSubsumes(&aSubjectPrincipal)) {
    aRv.Throw(NS_ERROR_DOM_SECURITY_ERR);
    return;
  }

  NS_ConvertUTF16toUTF8 hash(aHash);
  if (hash.IsEmpty() || hash.First() != char16_t('#')) {
    hash.Insert(char16_t('#'), 0);
  }

  nsCOMPtr<nsIURI> uri;
  aRv = GetURI(getter_AddRefs(uri));
  if (NS_WARN_IF(aRv.Failed()) || !uri) {
    return;
  }

  aRv = NS_MutateURI(uri)
          .SetRef(hash)
          .Finalize(uri);
  if (NS_WARN_IF(aRv.Failed()) || !uri) {
    return;
  }

  aRv = SetURI(uri);
}

NS_IMETHODIMP
Location::SetPort(const nsAString& aPort)
{
  nsCOMPtr<nsIURI> uri;
  nsresult rv = GetWritableURI(getter_AddRefs(uri));
  if (NS_WARN_IF(NS_FAILED(rv) || !uri)) {
    return rv;
  }

  // perhaps use nsReadingIterators at some point?
  NS_ConvertUTF16toUTF8 portStr(aPort);
  const char *buf = portStr.get();
  int32_t port = -1;

  if (!portStr.IsEmpty() && buf) {
    if (*buf == ':') {
      port = atol(buf+1);
    }
    else {
      port = atol(buf);
    }
  }

  rv = uri->SetPort(port);
  if (NS_WARN_IF(NS_FAILED(rv))) {
    return rv;
  }

  return SetURI(uri);
}

	bool RegisterDataSourceRequest::Create(rude::CGI& cgi)
	{
		SetVersion(cgi["version"]);
		SetName(cgi["name"]);
		SetDataEngine(cgi["engine"]);
		SetURI(cgi["uri"]);
		return true;
	}

nsresult
nsLocation::SetHrefWithBase(const nsAString& aHref, nsIURI* aBase,
                            PRBool aReplace)
{
  nsresult result;
  nsCOMPtr<nsIURI> newUri;

  nsCOMPtr<nsIDocShell> docShell(do_QueryReferent(mDocShell));

  nsCAutoString docCharset;
  if (NS_SUCCEEDED(GetDocumentCharacterSetForURI(aHref, docCharset)))
    result = NS_NewURI(getter_AddRefs(newUri), aHref, docCharset.get(), aBase);
  else
    result = NS_NewURI(getter_AddRefs(newUri), aHref, nsnull, aBase);

  if (newUri) {
    /* Check with the scriptContext if it is currently processing a script tag.
     * If so, this must be a <script> tag with a location.href in it.
     * we want to do a replace load, in such a situation. 
     * In other cases, for example if a event handler or a JS timer
     * had a location.href in it, we want to do a normal load,
     * so that the new url will be appended to Session History.
     * This solution is tricky. Hopefully it isn't going to bite
     * anywhere else. This is part of solution for bug # 39938, 72197
     * 
     */
    PRBool inScriptTag=PR_FALSE;
    // Get JSContext from stack.
    nsCOMPtr<nsIJSContextStack> stack(do_GetService("@mozilla.org/js/xpc/ContextStack;1", &result));

    if (stack) {
      JSContext *cx;

      result = GetContextFromStack(stack, &cx);
      if (cx) {
        nsIScriptContext *scriptContext =
          nsJSUtils::GetDynamicScriptContext(cx);

        if (scriptContext) {
          if (scriptContext->GetProcessingScriptTag()) {
            // Now check to make sure that the script is running in our window,
            // since we only want to replace if the location is set by a
            // <script> tag in the same window.  See bug 178729.
            nsCOMPtr<nsIScriptGlobalObject> ourGlobal(do_GetInterface(docShell));
            inScriptTag = (ourGlobal == scriptContext->GetGlobalObject());
          }
        }  
      } //cx
    }  // stack

    return SetURI(newUri, aReplace || inScriptTag);
  }

  return result;
}

nsresult
Location::SetHrefWithBase(const nsAString& aHref, nsIURI* aBase,
                            bool aReplace)
{
  nsresult result;
  nsCOMPtr<nsIURI> newUri;

  nsCOMPtr<nsIDocShell> docShell(do_QueryReferent(mDocShell));

  nsAutoCString docCharset;
  if (NS_SUCCEEDED(GetDocumentCharacterSetForURI(aHref, docCharset)))
    result = NS_NewURI(getter_AddRefs(newUri), aHref, docCharset.get(), aBase);
  else
    result = NS_NewURI(getter_AddRefs(newUri), aHref, nullptr, aBase);

  if (newUri) {
    /* Check with the scriptContext if it is currently processing a script tag.
     * If so, this must be a <script> tag with a location.href in it.
     * we want to do a replace load, in such a situation. 
     * In other cases, for example if a event handler or a JS timer
     * had a location.href in it, we want to do a normal load,
     * so that the new url will be appended to Session History.
     * This solution is tricky. Hopefully it isn't going to bite
     * anywhere else. This is part of solution for bug # 39938, 72197
     * 
     */
    bool inScriptTag = false;
    nsIScriptContext* scriptContext = nullptr;
    nsCOMPtr<nsPIDOMWindowInner> win = do_QueryInterface(GetEntryGlobal());
    if (win) {
      scriptContext = nsGlobalWindow::Cast(win)->GetContextInternal();
    }

    if (scriptContext) {
      if (scriptContext->GetProcessingScriptTag()) {
        // Now check to make sure that the script is running in our window,
        // since we only want to replace if the location is set by a
        // <script> tag in the same window.  See bug 178729.
        nsCOMPtr<nsIScriptGlobalObject> ourGlobal =
          docShell ? docShell->GetScriptGlobalObject() : nullptr;
        inScriptTag = (ourGlobal == scriptContext->GetGlobalObject());
      }
    }

    return SetURI(newUri, aReplace || inScriptTag);
  }

  return result;
}

NS_IMETHODIMP
Location::SetHash(const nsAString& aHash)
{
  NS_ConvertUTF16toUTF8 hash(aHash);
  if (hash.IsEmpty() || hash.First() != char16_t('#')) {
    hash.Insert(char16_t('#'), 0);
  }
  nsCOMPtr<nsIURI> uri;
  nsresult rv = GetWritableURI(getter_AddRefs(uri), &hash);
  if (NS_FAILED(rv) || !uri) {
    return rv;
  }

  return SetURI(uri);
}

NS_IMETHODIMP
nsLocation::SetProtocol(const nsAString& aProtocol)
{
  nsCOMPtr<nsIURI> uri;
  nsresult rv = GetWritableURI(getter_AddRefs(uri));

  if (uri) {
    rv = uri->SetScheme(NS_ConvertUTF16toUTF8(aProtocol));
    if (NS_SUCCEEDED(rv)) {
      SetURI(uri);
    }
  }

  return rv;
}

void* CoAP_RD_Resource::Create()
{
    CoAP_Attr attr;
    std::string uri("rd");    
    
    SetURI(uri);
    attr.insert(std::make_pair("ct","40"));
    attr.insert(std::make_pair("rt","\"core.rd\""));
    attr.insert(std::make_pair("ins","\"default\""));

    SetAttr(attr);

    rd_resource_ = Create_i();
    SetCoAPResource(rd_resource_);

    return rd_resource_;
}

void* CoAPRDLookUpResResource::Create()
{
    CoAP_Attr attr;
    std::string uri("rd-lookup/res");    
    
    SetURI(uri);
    attr.insert(std::make_pair("ct","40"));
    attr.insert(std::make_pair("rt","\"core.rd-lookup.res\""));
    attr.insert(std::make_pair("ins","\"default\""));

    SetAttr(attr);

    void* rd_resource = Create_i();
    SetCoAPResource(rd_resource);

    return rd_resource;
}