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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* 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/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 .
*/
#include "stocservices.hxx"
#include "supportsService.hxx"
#include "com/sun/star/lang/XServiceInfo.hpp"
#include "com/sun/star/uno/Exception.hpp"
#include "com/sun/star/uno/Reference.hxx"
#include "com/sun/star/uno/RuntimeException.hpp"
#include "com/sun/star/uno/Sequence.hxx"
#include "com/sun/star/uno/XComponentContext.hpp"
#include "com/sun/star/uno/XInterface.hpp"
#include "com/sun/star/uri/XExternalUriReferenceTranslator.hpp"
#include "cppuhelper/implbase2.hxx"
#include "cppuhelper/weak.hxx"
#include "osl/thread.h"
#include "rtl/string.h"
#include "rtl/textenc.h"
#include "rtl/uri.h"
#include "rtl/uri.hxx"
#include "rtl/ustrbuf.hxx"
#include "rtl/ustring.hxx"
#include "sal/types.h"
#include <new>
namespace css = com::sun::star;
namespace {
class Translator: public cppu::WeakImplHelper2<
css::lang::XServiceInfo, css::uri::XExternalUriReferenceTranslator >
{
public:
explicit Translator(
css::uno::Reference< css::uno::XComponentContext > const & context):
m_context(context) {}
virtual rtl::OUString SAL_CALL getImplementationName()
throw (css::uno::RuntimeException);
virtual sal_Bool SAL_CALL supportsService(rtl::OUString const & serviceName)
throw (css::uno::RuntimeException);
virtual css::uno::Sequence< rtl::OUString > SAL_CALL
getSupportedServiceNames() throw (css::uno::RuntimeException);
virtual rtl::OUString SAL_CALL
translateToInternal(rtl::OUString const & externalUriReference)
throw (css::uno::RuntimeException);
virtual rtl::OUString SAL_CALL
translateToExternal(rtl::OUString const & internalUriReference)
throw (css::uno::RuntimeException);
private:
Translator(Translator &); // not implemented
void operator =(Translator); // not implemented
virtual ~Translator() {}
css::uno::Reference< css::uno::XComponentContext > m_context;
};
rtl::OUString Translator::getImplementationName()
throw (css::uno::RuntimeException)
{
return
stoc_services::ExternalUriReferenceTranslator::getImplementationName();
}
sal_Bool Translator::supportsService(rtl::OUString const & serviceName)
throw (css::uno::RuntimeException)
{
return stoc::uriproc::supportsService(
getSupportedServiceNames(), serviceName);
}
css::uno::Sequence< rtl::OUString > Translator::getSupportedServiceNames()
throw (css::uno::RuntimeException)
{
return stoc_services::ExternalUriReferenceTranslator::
getSupportedServiceNames();
}
rtl::OUString Translator::translateToInternal(
rtl::OUString const & externalUriReference)
throw (css::uno::RuntimeException)
{
if (!externalUriReference.matchIgnoreAsciiCaseAsciiL(
RTL_CONSTASCII_STRINGPARAM("file:/")))
{
return externalUriReference;
}
sal_Int32 i = RTL_CONSTASCII_LENGTH("file:");
rtl::OUStringBuffer buf;
buf.append(externalUriReference.getStr(), i);
// Some environments (e.g., Java) produce illegal file URLs without an
// authority part; treat them as having an empty authority part:
if (!externalUriReference.matchAsciiL(RTL_CONSTASCII_STRINGPARAM("//"), i))
{
buf.appendAscii(RTL_CONSTASCII_STRINGPARAM("//"));
}
rtl_TextEncoding encoding = osl_getThreadTextEncoding();
for (bool path = true;;) {
sal_Int32 j = i;
while (j != externalUriReference.getLength()
&& externalUriReference[j] != '#'
&& (!path || externalUriReference[j] != '/'))
{
++j;
}
if (j != i) {
rtl::OUString seg(
rtl::Uri::encode(
rtl::Uri::decode(
externalUriReference.copy(i, j - i),
rtl_UriDecodeStrict, encoding),
rtl_UriCharClassPchar, rtl_UriEncodeStrict,
RTL_TEXTENCODING_UTF8));
if (seg.isEmpty()) {
return rtl::OUString();
}
buf.append(seg);
}
if (j == externalUriReference.getLength()) {
break;
}
buf.append(externalUriReference[j]);
path = externalUriReference[j] == '/';
i = j + 1;
}
return buf.makeStringAndClear();
}
rtl::OUString Translator::translateToExternal(
rtl::OUString const & internalUriReference)
throw (css::uno::RuntimeException)
{
if (!internalUriReference.matchIgnoreAsciiCaseAsciiL(
RTL_CONSTASCII_STRINGPARAM("file://")))
{
return internalUriReference;
}
sal_Int32 i = RTL_CONSTASCII_LENGTH("file://");
rtl::OUStringBuffer buf;
buf.append(internalUriReference.getStr(), i);
rtl_TextEncoding encoding = osl_getThreadTextEncoding();
for (bool path = true;;) {
sal_Int32 j = i;
while (j != internalUriReference.getLength()
&& internalUriReference[j] != '#'
&& (!path || internalUriReference[j] != '/'))
{
++j;
}
if (j != i) {
// Use rtl_UriDecodeToIuri -> rtl_UriEncodeStrictKeepEscapes instead
// of rtl_UriDecodeStrict -> rtl_UriEncodeStrict, so that spurious
// non--UTF-8 octets like "%FE" are copied verbatim:
rtl::OUString seg(
rtl::Uri::encode(
rtl::Uri::decode(
internalUriReference.copy(i, j - i),
rtl_UriDecodeToIuri, RTL_TEXTENCODING_UTF8),
rtl_UriCharClassPchar, rtl_UriEncodeStrictKeepEscapes,
encoding));
if (seg.isEmpty()) {
return rtl::OUString();
}
buf.append(seg);
}
if (j == internalUriReference.getLength()) {
break;
}
buf.append(internalUriReference[j]);
path = internalUriReference[j] == '/';
i = j + 1;
}
return buf.makeStringAndClear();
}
}
namespace stoc_services { namespace ExternalUriReferenceTranslator {
css::uno::Reference< css::uno::XInterface > create(
css::uno::Reference< css::uno::XComponentContext > const & context)
SAL_THROW((css::uno::Exception))
{
try {
return static_cast< cppu::OWeakObject * >(new Translator(context));
} catch (std::bad_alloc &) {
throw css::uno::RuntimeException(
rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("std::bad_alloc")), 0);
}
}
rtl::OUString getImplementationName() {
return rtl::OUString(
RTL_CONSTASCII_USTRINGPARAM("com.sun.star.comp.uri.ExternalUriReferenceTranslator"));
}
css::uno::Sequence< rtl::OUString > getSupportedServiceNames() {
css::uno::Sequence< rtl::OUString > s(1);
s[0] = rtl::OUString(
RTL_CONSTASCII_USTRINGPARAM("com.sun.star.uri.ExternalUriReferenceTranslator"));
return s;
}
} }
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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