office-gobmx/framework/source/jobs/joburl.cxx
Noel Grandin bc2101646b loplugin:stringviewparam improvements
improve the check by checking for methods that exclude
using string_view, rather than checking for methods that
__can__ use string_view, which leads to exposing
some holes in our o3tl/string_view.hxx coverage.

Change-Id: Ic9dd60441c671f502692f9cd2a1bb67301c4b960
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/150277
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
2023-04-14 07:54:28 +02:00

247 lines
8.6 KiB
C++

/* -*- 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 <sal/config.h>
#include <cstring>
#include <jobs/joburl.hxx>
#include <vcl/svapp.hxx>
#include <o3tl/string_view.hxx>
namespace framework{
/**
@short special ctor
@descr It initialize this new instance with a (hopefully) valid job URL.
This URL will be parsed. After that we set our members right,
so other interface methods of this class can be used to get
all items of this URL. Of course it will be possible to know,
if this URL was valid too.
@param sURL
the job URL for parsing
*/
JobURL::JobURL( /*IN*/ const OUString& sURL )
{
m_eRequest = E_UNKNOWN;
// syntax: vnd.sun.star.job:{[event=<name>],[alias=<name>],[service=<name>]}
// check for "vnd.sun.star.job:"
if (!sURL.startsWithIgnoreAsciiCase("vnd.sun.star.job:"))
return;
sal_Int32 t = std::strlen("vnd.sun.star.job:");
do
{
// separate all token of "{[event=<name>],[alias=<name>],[service=<name>]}"
OUString sToken = sURL.getToken(0, JOBURL_PART_SEPARATOR, t);
OUString sPartValue;
OUString sPartArguments;
// check for "event="
if (
(JobURL::implst_split(sToken,JOBURL_EVENT_STR,JOBURL_EVENT_LEN,sPartValue,sPartArguments)) &&
(!sPartValue.isEmpty())
)
{
// set the part value
m_sEvent = sPartValue;
m_eRequest |= E_EVENT;
}
else
// check for "alias="
if (
(JobURL::implst_split(sToken,JOBURL_ALIAS_STR,JOBURL_ALIAS_LEN,sPartValue,sPartArguments)) &&
(!sPartValue.isEmpty())
)
{
// set the part value
m_sAlias = sPartValue;
m_eRequest |= E_ALIAS;
}
else
// check for "service="
if (
(JobURL::implst_split(sToken,JOBURL_SERVICE_STR,JOBURL_SERVICE_LEN,sPartValue,sPartArguments)) &&
(!sPartValue.isEmpty())
)
{
// set the part value
m_sService = sPartValue;
m_eRequest |= E_SERVICE;
}
}
while(t!=-1);
}
/**
@short knows, if this job URL object hold a valid URL inside
@return <TRUE/> if it represent a valid job URL.
*/
bool JobURL::isValid() const
{
return (m_eRequest!=E_UNKNOWN);
}
/**
@short get the event item of this job URL
@descr Because the three possible parts of such URL (event, alias, service)
can't be combined, this method can(!) return a valid value - but it's
not a must. That's why the return value must be used too, to detect a missing
event value.
@param sEvent
returns the possible existing event value
e.g. "vnd.sun.star.job:event=myEvent" returns "myEvent"
@return <TRUE/> if an event part of the job URL exist and the out parameter
sEvent was filled.
@attention The out parameter will be reset every time. Don't use it if method returns <FALSE/>!
*/
bool JobURL::getEvent( /*OUT*/ OUString& sEvent ) const
{
sEvent.clear();
bool bSet = ((m_eRequest & E_EVENT) == E_EVENT);
if (bSet)
sEvent = m_sEvent;
return bSet;
}
/**
@short get the alias item of this job URL
@descr Because the three possible parts of such URL (event, alias, service)
can't be combined, this method can(!) return a valid value - but it's
not a must. that's why the return value must be used too, to detect a missing
alias value.
@param sAlias
returns the possible existing alias value
e.g. "vnd.sun.star.job:alias=myAlias" returns "myAlias"
@return <TRUE/> if an alias part of the job URL exist and the out parameter
sAlias was filled.
@attention The out parameter will be reset every time. Don't use it if method returns <FALSE/>!
*/
bool JobURL::getAlias( /*OUT*/ OUString& sAlias ) const
{
sAlias.clear();
bool bSet = ((m_eRequest & E_ALIAS) == E_ALIAS);
if (bSet)
sAlias = m_sAlias;
return bSet;
}
/**
@short get the service item of this job URL
@descr Because the three possible parts of such URL (event, service, service)
can't be combined, this method can(!) return a valid value - but it's
not a must. That's why the return value must be used too, to detect a missing
service value.
@param sAlias
returns the possible existing service value
e.g. "vnd.sun.star.job:service=com.sun.star.Service" returns "com.sun.star.Service"
@return <TRUE/> if a service part of the job URL exist and the out parameter
sService was filled.
@attention The out parameter will be reset every time. Don't use it if method returns <FALSE/>!
*/
bool JobURL::getService( /*OUT*/ OUString& sService ) const
{
sService.clear();
bool bSet = ((m_eRequest & E_SERVICE) == E_SERVICE);
if (bSet)
sService = m_sService;
return bSet;
}
/**
@short searches for a special identifier in the given string and split it
@descr If the given identifier could be found at the beginning of the given string,
this method split it into different parts and return it.
Following schema is used: <partidentifier>=<partvalue>[?<partarguments>]
@param sPart
the string, which should be analyzed
@param pPartIdentifier
the part identifier value, which must be found at the beginning of the
parameter <var>sPart</var>
@param nPartLength
the length of the ascii value <var>pPartIdentifier</var>
@param rPartValue
returns the part value if <var>sPart</var> was split successfully
@param rPartArguments
returns the part arguments if <var>sPart</var> was split successfully
@return <TRUE/> if the identifier could be found and the string was split.
<FALSE/> otherwise.
*/
bool JobURL::implst_split( /*IN*/ std::u16string_view sPart ,
/*IN*/ const char* pPartIdentifier ,
/*IN*/ sal_Int32 nPartLength ,
/*OUT*/ OUString& rPartValue ,
/*OUT*/ OUString& rPartArguments )
{
// first search for the given identifier
bool bPartFound = o3tl::matchIgnoreAsciiCase(sPart, std::string_view(pPartIdentifier,nPartLength));
// If it exist - we can split the part and return sal_True.
// Otherwise we do nothing and return sal_False.
if (bPartFound)
{
// But may the part has optional arguments - separated by a "?".
// Do so - we set the return value with the whole part string.
// Arguments will be set to an empty string as default.
// If we detect the right sign - we split the arguments and overwrite the default.
std::u16string_view sValueAndArguments = sPart.substr(nPartLength);
std::u16string_view sValue = sValueAndArguments;
OUString sArguments;
size_t nArgStart = sValueAndArguments.find('?');
if (nArgStart != std::u16string_view::npos)
{
sValue = sValueAndArguments.substr(0,nArgStart);
++nArgStart; // ignore '?'!
sArguments = sValueAndArguments.substr(nArgStart);
}
rPartValue = sValue;
rPartArguments = sArguments;
}
return bPartFound;
}
} // namespace framework
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */