gecko/netwerk/base/src/nsSimpleURI.cpp

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla 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/MPL/
*
* 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 the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Pierre Phaneuf <pp@ludusdesign.com>
* Gagan Saksena <gagan@netscape.com>
* Darin Fisher <darin@netscape.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifdef MOZ_IPC
#include "IPCMessageUtils.h"
#endif
#include "nsSimpleURI.h"
#include "nscore.h"
#include "nsCRT.h"
#include "nsString.h"
#include "nsReadableUtils.h"
#include "prmem.h"
#include "prprf.h"
#include "nsURLHelper.h"
#include "nsNetCID.h"
#include "nsIObjectInputStream.h"
#include "nsIObjectOutputStream.h"
#include "nsEscape.h"
#include "nsNetError.h"
#include "nsIProgrammingLanguage.h"
static NS_DEFINE_CID(kThisSimpleURIImplementationCID,
NS_THIS_SIMPLEURI_IMPLEMENTATION_CID);
static NS_DEFINE_CID(kSimpleURICID, NS_SIMPLEURI_CID);
////////////////////////////////////////////////////////////////////////////////
// nsSimpleURI methods:
nsSimpleURI::nsSimpleURI()
: mMutable(PR_TRUE)
{
}
nsSimpleURI::~nsSimpleURI()
{
}
NS_IMPL_ADDREF(nsSimpleURI)
NS_IMPL_RELEASE(nsSimpleURI)
NS_INTERFACE_TABLE_HEAD(nsSimpleURI)
NS_INTERFACE_TABLE5(nsSimpleURI, nsIURI, nsISerializable, nsIIPCSerializable, nsIClassInfo, nsIMutable)
NS_INTERFACE_TABLE_TO_MAP_SEGUE
if (aIID.Equals(kThisSimpleURIImplementationCID))
foundInterface = static_cast<nsIURI*>(this);
else
NS_INTERFACE_MAP_END
////////////////////////////////////////////////////////////////////////////////
// nsISerializable methods:
NS_IMETHODIMP
nsSimpleURI::Read(nsIObjectInputStream* aStream)
{
nsresult rv;
rv = aStream->ReadBoolean(&mMutable);
if (NS_FAILED(rv)) return rv;
rv = aStream->ReadCString(mScheme);
if (NS_FAILED(rv)) return rv;
rv = aStream->ReadCString(mPath);
if (NS_FAILED(rv)) return rv;
return NS_OK;
}
NS_IMETHODIMP
nsSimpleURI::Write(nsIObjectOutputStream* aStream)
{
nsresult rv;
rv = aStream->WriteBoolean(mMutable);
if (NS_FAILED(rv)) return rv;
rv = aStream->WriteStringZ(mScheme.get());
if (NS_FAILED(rv)) return rv;
rv = aStream->WriteStringZ(mPath.get());
if (NS_FAILED(rv)) return rv;
return NS_OK;
}
////////////////////////////////////////////////////////////////////////////////
// nsIIPCSerializable methods:
PRBool
nsSimpleURI::Read(const IPC::Message *aMsg, void **aIter)
{
#ifdef MOZ_IPC
bool isMutable;
if (!ReadParam(aMsg, aIter, &isMutable) ||
!ReadParam(aMsg, aIter, &mScheme) ||
!ReadParam(aMsg, aIter, &mPath))
return PR_FALSE;
mMutable = isMutable;
return PR_TRUE;
#else
return PR_FALSE;
#endif
}
void
nsSimpleURI::Write(IPC::Message *aMsg)
{
#ifdef MOZ_IPC
WriteParam(aMsg, bool(mMutable));
WriteParam(aMsg, mScheme);
WriteParam(aMsg, mPath);
#endif
}
////////////////////////////////////////////////////////////////////////////////
// nsIURI methods:
NS_IMETHODIMP
nsSimpleURI::GetSpec(nsACString &result)
{
result = mScheme + NS_LITERAL_CSTRING(":") + mPath;
return NS_OK;
}
NS_IMETHODIMP
nsSimpleURI::SetSpec(const nsACString &aSpec)
{
NS_ENSURE_STATE(mMutable);
const nsAFlatCString& flat = PromiseFlatCString(aSpec);
const char* specPtr = flat.get();
// filter out unexpected chars "\r\n\t" if necessary
nsCAutoString filteredSpec;
PRInt32 specLen;
if (net_FilterURIString(specPtr, filteredSpec)) {
specPtr = filteredSpec.get();
specLen = filteredSpec.Length();
} else
specLen = flat.Length();
// nsSimpleURI currently restricts the charset to US-ASCII
nsCAutoString spec;
NS_EscapeURL(specPtr, specLen, esc_OnlyNonASCII|esc_AlwaysCopy, spec);
PRInt32 pos = spec.FindChar(':');
if (pos == -1 || !net_IsValidScheme(spec.get(), pos))
return NS_ERROR_MALFORMED_URI;
mScheme.Truncate();
mPath.Truncate();
PRInt32 n = spec.Left(mScheme, pos);
NS_ASSERTION(n == pos, "Left failed");
PRInt32 count = spec.Length() - pos - 1;
n = spec.Mid(mPath, pos + 1, count);
NS_ASSERTION(n == count, "Mid failed");
ToLowerCase(mScheme);
return NS_OK;
}
NS_IMETHODIMP
nsSimpleURI::GetScheme(nsACString &result)
{
result = mScheme;
return NS_OK;
}
NS_IMETHODIMP
nsSimpleURI::SetScheme(const nsACString &scheme)
{
NS_ENSURE_STATE(mMutable);
const nsPromiseFlatCString &flat = PromiseFlatCString(scheme);
if (!net_IsValidScheme(flat)) {
NS_ERROR("the given url scheme contains invalid characters");
return NS_ERROR_MALFORMED_URI;
}
mScheme = scheme;
ToLowerCase(mScheme);
return NS_OK;
}
NS_IMETHODIMP
nsSimpleURI::GetPrePath(nsACString &result)
{
result = mScheme + NS_LITERAL_CSTRING(":");
return NS_OK;
}
NS_IMETHODIMP
nsSimpleURI::GetUserPass(nsACString &result)
{
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsSimpleURI::SetUserPass(const nsACString &userPass)
{
NS_ENSURE_STATE(mMutable);
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsSimpleURI::GetUsername(nsACString &result)
{
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsSimpleURI::SetUsername(const nsACString &userName)
{
NS_ENSURE_STATE(mMutable);
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsSimpleURI::GetPassword(nsACString &result)
{
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsSimpleURI::SetPassword(const nsACString &password)
{
NS_ENSURE_STATE(mMutable);
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsSimpleURI::GetHostPort(nsACString &result)
{
// Note: Audit all callers before changing this to return an empty
// string -- CAPS and UI code may depend on this throwing.
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsSimpleURI::SetHostPort(const nsACString &result)
{
NS_ENSURE_STATE(mMutable);
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsSimpleURI::GetHost(nsACString &result)
{
// Note: Audit all callers before changing this to return an empty
// string -- CAPS and UI code depend on this throwing.
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsSimpleURI::SetHost(const nsACString &host)
{
NS_ENSURE_STATE(mMutable);
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsSimpleURI::GetPort(PRInt32 *result)
{
// Note: Audit all callers before changing this to return an empty
// string -- CAPS and UI code may depend on this throwing.
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsSimpleURI::SetPort(PRInt32 port)
{
NS_ENSURE_STATE(mMutable);
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsSimpleURI::GetPath(nsACString &result)
{
result = mPath;
return NS_OK;
}
NS_IMETHODIMP
nsSimpleURI::SetPath(const nsACString &path)
{
NS_ENSURE_STATE(mMutable);
mPath = path;
return NS_OK;
}
NS_IMETHODIMP
nsSimpleURI::Equals(nsIURI* other, PRBool *result)
{
PRBool eq = PR_FALSE;
if (other) {
nsSimpleURI* otherUrl;
nsresult rv =
other->QueryInterface(kThisSimpleURIImplementationCID,
(void**)&otherUrl);
if (NS_SUCCEEDED(rv)) {
eq = PRBool((0 == strcmp(mScheme.get(), otherUrl->mScheme.get())) &&
(0 == strcmp(mPath.get(), otherUrl->mPath.get())));
NS_RELEASE(otherUrl);
}
}
*result = eq;
return NS_OK;
}
NS_IMETHODIMP
nsSimpleURI::SchemeIs(const char *i_Scheme, PRBool *o_Equals)
{
NS_ENSURE_ARG_POINTER(o_Equals);
if (!i_Scheme) return NS_ERROR_NULL_POINTER;
const char *this_scheme = mScheme.get();
// mScheme is guaranteed to be lower case.
if (*i_Scheme == *this_scheme || *i_Scheme == (*this_scheme - ('a' - 'A')) ) {
*o_Equals = PL_strcasecmp(this_scheme, i_Scheme) ? PR_FALSE : PR_TRUE;
} else {
*o_Equals = PR_FALSE;
}
return NS_OK;
}
/* virtual */ nsSimpleURI*
nsSimpleURI::StartClone()
{
return new nsSimpleURI();
}
NS_IMETHODIMP
nsSimpleURI::Clone(nsIURI* *result)
{
nsSimpleURI* url = StartClone();
if (url == nsnull)
return NS_ERROR_OUT_OF_MEMORY;
// Note: |url| may well have mMutable false at this point, so
// don't call any setter methods.
url->mScheme = mScheme;
url->mPath = mPath;
*result = url;
NS_ADDREF(url);
return NS_OK;
}
NS_IMETHODIMP
nsSimpleURI::Resolve(const nsACString &relativePath, nsACString &result)
{
result = relativePath;
return NS_OK;
}
NS_IMETHODIMP
nsSimpleURI::GetAsciiSpec(nsACString &result)
{
nsCAutoString buf;
nsresult rv = GetSpec(buf);
if (NS_FAILED(rv)) return rv;
NS_EscapeURL(buf, esc_OnlyNonASCII|esc_AlwaysCopy, result);
return NS_OK;
}
NS_IMETHODIMP
nsSimpleURI::GetAsciiHost(nsACString &result)
{
result.Truncate();
return NS_OK;
}
NS_IMETHODIMP
nsSimpleURI::GetOriginCharset(nsACString &result)
{
result.Truncate();
return NS_OK;
}
//----------------------------------------------------------------------------
// nsSimpleURI::nsIClassInfo
//----------------------------------------------------------------------------
NS_IMETHODIMP
nsSimpleURI::GetInterfaces(PRUint32 *count, nsIID * **array)
{
*count = 0;
*array = nsnull;
return NS_OK;
}
NS_IMETHODIMP
nsSimpleURI::GetHelperForLanguage(PRUint32 language, nsISupports **_retval)
{
*_retval = nsnull;
return NS_OK;
}
NS_IMETHODIMP
nsSimpleURI::GetContractID(char * *aContractID)
{
// Make sure to modify any subclasses as needed if this ever
// changes.
*aContractID = nsnull;
return NS_OK;
}
NS_IMETHODIMP
nsSimpleURI::GetClassDescription(char * *aClassDescription)
{
*aClassDescription = nsnull;
return NS_OK;
}
NS_IMETHODIMP
nsSimpleURI::GetClassID(nsCID * *aClassID)
{
// Make sure to modify any subclasses as needed if this ever
// changes to not call the virtual GetClassIDNoAlloc.
*aClassID = (nsCID*) nsMemory::Alloc(sizeof(nsCID));
if (!*aClassID)
return NS_ERROR_OUT_OF_MEMORY;
return GetClassIDNoAlloc(*aClassID);
}
NS_IMETHODIMP
nsSimpleURI::GetImplementationLanguage(PRUint32 *aImplementationLanguage)
{
*aImplementationLanguage = nsIProgrammingLanguage::CPLUSPLUS;
return NS_OK;
}
NS_IMETHODIMP
nsSimpleURI::GetFlags(PRUint32 *aFlags)
{
*aFlags = nsIClassInfo::MAIN_THREAD_ONLY;
return NS_OK;
}
NS_IMETHODIMP
nsSimpleURI::GetClassIDNoAlloc(nsCID *aClassIDNoAlloc)
{
*aClassIDNoAlloc = kSimpleURICID;
return NS_OK;
}
//----------------------------------------------------------------------------
// nsSimpleURI::nsISimpleURI
//----------------------------------------------------------------------------
NS_IMETHODIMP
nsSimpleURI::GetMutable(PRBool *value)
{
*value = mMutable;
return NS_OK;
}
NS_IMETHODIMP
nsSimpleURI::SetMutable(PRBool value)
{
NS_ENSURE_ARG(mMutable || !value);
mMutable = value;
return NS_OK;
}