office-gobmx/canvas/inc/verifyinput.hxx
Noel Grandin 6751a89552 compact namespace in canvas..cui
Change-Id: I7bd0c2a55b936896fcfe7e1a374871008a18618f
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/93706
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
2020-05-08 12:40:03 +02:00

575 lines
24 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 .
*/
#pragma once
#include <com/sun/star/uno/Reference.hxx>
#include <com/sun/star/lang/IllegalArgumentException.hpp>
#include <canvas/canvastoolsdllapi.h>
namespace com::sun::star::geometry
{
struct RealPoint2D;
struct RealSize2D;
struct RealBezierSegment2D;
struct RealRectangle2D;
struct AffineMatrix2D;
struct Matrix2D;
struct IntegerPoint2D;
struct IntegerSize2D;
struct IntegerRectangle2D;
}
namespace com::sun::star::rendering
{
struct RenderState;
struct StrokeAttributes;
struct Texture;
struct ViewState;
struct IntegerBitmapLayout;
struct FontRequest;
}
namespace com::sun::star::uno { template <class E> class Sequence; }
namespace canvas
{
namespace tools
{
// Input checking facilities
// This header provides methods to check all common
// css::rendering::* method input parameters against
// compliance to the API specification.
/** Verify that the given transformation contains valid floating point
values.
@param rMatrix
Matrix to check
@param xIf
The interface that should be reported as the one
generating the exception.
@param nArgPos
Argument position on the call site (i.e. the position of
the argument, checked here, on the UNO interface
method. Counting starts at 0).
@throws a lang::IllegalArgumentException, if anything is wrong
*/
CANVASTOOLS_DLLPUBLIC void verifyInput( const css::geometry::AffineMatrix2D& rMatrix,
const char* pStr,
const css::uno::Reference< css::uno::XInterface >& xIf,
::sal_Int16 nArgPos );
/** Verify that the given transformation contains valid floating point
values.
@param rMatrix
Matrix to check
@param xIf
The interface that should be reported as the one
generating the exception.
@param nArgPos
Argument position on the call site (i.e. the position of
the argument, checked here, on the UNO interface
method. Counting starts at 0).
@throws a lang::IllegalArgumentException, if anything is wrong
*/
CANVASTOOLS_DLLPUBLIC void verifyInput( const css::geometry::Matrix2D& rMatrix,
const char* pStr,
const css::uno::Reference< css::uno::XInterface >& xIf,
::sal_Int16 nArgPos );
/** Verify that the given point contains valid floating point
values.
@param rPoint
Point to check
@param xIf
The interface that should be reported as the one
generating the exception.
@param nArgPos
Argument position on the call site (i.e. the position of
the argument, checked here, on the UNO interface
method. Counting starts at 0).
@throws a lang::IllegalArgumentException, if anything is wrong
*/
CANVASTOOLS_DLLPUBLIC void verifyInput( const css::geometry::RealPoint2D& rPoint,
const char* pStr,
const css::uno::Reference< css::uno::XInterface >& xIf,
::sal_Int16 nArgPos );
/** Verify that the given bezier segment contains valid
floating point values.
@param rSegment
Segment to check
@param xIf
The interface that should be reported as the one
generating the exception.
@param nArgPos
Argument position on the call site (i.e. the position of
the argument, checked here, on the UNO interface
method. Counting starts at 0).
@throws a lang::IllegalArgumentException, if anything is wrong
*/
CANVASTOOLS_DLLPUBLIC void verifyInput( const css::geometry::RealBezierSegment2D& rSegment,
const char* pStr,
const css::uno::Reference< css::uno::XInterface >& xIf,
::sal_Int16 nArgPos );
/** Verify that the given rectangle contains valid floating
point values.
@param rRect
Rect to check
@param xIf
The interface that should be reported as the one
generating the exception.
@param nArgPos
Argument position on the call site (i.e. the position of
the argument, checked here, on the UNO interface
method. Counting starts at 0).
@throws a lang::IllegalArgumentException, if anything is wrong
*/
CANVASTOOLS_DLLPUBLIC void verifyInput( const css::geometry::RealRectangle2D& rRect,
const char* pStr,
const css::uno::Reference< css::uno::XInterface >& xIf,
::sal_Int16 nArgPos );
/** Basic check for view state validity.
@param viewState
Viewstate to check
@param xIf
The interface that should be reported as the one
generating the exception.
@param nArgPos
Argument position on the call site (i.e. the position of
the argument, checked here, on the UNO interface
method. Counting starts at 0).
@throws a lang::IllegalArgumentException, if anything is wrong
*/
CANVASTOOLS_DLLPUBLIC void verifyInput( const css::rendering::ViewState& viewState,
const char* pStr,
const css::uno::Reference< css::uno::XInterface >& xIf,
::sal_Int16 nArgPos );
/** Basic check for render state validity.
@param renderState
Renderstate to check
@param xIf
The interface that should be reported as the one
generating the exception.
@param nArgPos
Argument position on the call site (i.e. the position of
the argument, checked here, on the UNO interface
method. Counting starts at 0).
@param nMinColorComponents
Minimal number of color components available in
RenderState::DeviceColor
@throws a lang::IllegalArgumentException, if anything is wrong
*/
CANVASTOOLS_DLLPUBLIC void verifyInput( const css::rendering::RenderState& renderState,
const char* pStr,
const css::uno::Reference< css::uno::XInterface >& xIf,
::sal_Int16 nArgPos,
sal_Int32 nMinColorComponents=0 );
/** Basic check for stroke attributes validity.
@param strokeAttributes
Attributes to check
@param xIf
The interface that should be reported as the one
generating the exception.
@param nArgPos
Argument position on the call site (i.e. the position of
the argument, checked here, on the UNO interface
method. Counting starts at 0).
@throws a lang::IllegalArgumentException, if anything is wrong
*/
CANVASTOOLS_DLLPUBLIC void verifyInput( const css::rendering::StrokeAttributes& strokeAttributes,
const char* pStr,
const css::uno::Reference< css::uno::XInterface >& xIf,
::sal_Int16 nArgPos );
/** Basic check for texture validity.
@param texture
Texture to check
@param xIf
The interface that should be reported as the one
generating the exception.
@param nArgPos
Argument position on the call site (i.e. the position of
the argument, checked here, on the UNO interface
method. Counting starts at 0).
@throws a lang::IllegalArgumentException, if anything is wrong
*/
CANVASTOOLS_DLLPUBLIC void verifyInput( const css::rendering::Texture& texture,
const char* pStr,
const css::uno::Reference< css::uno::XInterface >& xIf,
::sal_Int16 nArgPos );
/** Basic check for bitmap layout validity.
@param bitmapLayout
Bitmap layout to check
@param xIf
The interface that should be reported as the one
generating the exception.
@param nArgPos
Argument position on the call site (i.e. the position of
the argument, checked here, on the UNO interface
method. Counting starts at 0).
@throws a lang::IllegalArgumentException, if anything is wrong
*/
CANVASTOOLS_DLLPUBLIC void verifyInput( const css::rendering::IntegerBitmapLayout& bitmapLayout,
const char* pStr,
const css::uno::Reference< css::uno::XInterface >& xIf,
::sal_Int16 nArgPos );
/** Basic check for font request validity.
@param fontRequest
Font request to check
@param xIf
The interface that should be reported as the one
generating the exception.
@param nArgPos
Argument position on the call site (i.e. the position of
the argument, checked here, on the UNO interface
method. Counting starts at 0).
@throws a lang::IllegalArgumentException, if anything is wrong
*/
CANVASTOOLS_DLLPUBLIC void verifyInput( const css::rendering::FontRequest& fontRequest,
const char* pStr,
const css::uno::Reference< css::uno::XInterface >& xIf,
::sal_Int16 nArgPos );
/** Templatized check for uno::Reference validity.
@param rRef
Reference to check against non-NILness
@param xIf
The interface that should be reported as the one
generating the exception.
@param nArgPos
Argument position on the call site (i.e. the position of
the argument, checked here, on the UNO interface
method. Counting starts at 0).
@throws a lang::IllegalArgumentException, if anything is wrong
*/
template< class Interface > void verifyInput(
const css::uno::Reference< Interface >& rRef,
const char* pStr,
const css::uno::Reference< css::uno::XInterface >& xIf,
::sal_Int16 nArgPos )
{
if( !rRef.is() )
{
#if OSL_DEBUG_LEVEL > 0
throw css::lang::IllegalArgumentException(
OUString::createFromAscii(pStr) + ": reference is NULL",
xIf,
nArgPos );
#else
(void)pStr; (void)xIf; (void)nArgPos;
throw css::lang::IllegalArgumentException();
#endif
}
}
/** Templatized check for content-of-sequence validity.
@param rSequence
Sequence of things to check
@param xIf
The interface that should be reported as the one
generating the exception.
@param nArgPos
Argument position on the call site (i.e. the position of
the argument, checked here, on the UNO interface
method. Counting starts at 0).
@throws a lang::IllegalArgumentException, if anything is wrong
*/
template< typename SequenceContent > void verifyInput(
const css::uno::Sequence< SequenceContent >& rSequence,
const char* pStr,
const css::uno::Reference< css::uno::XInterface >& xIf,
::sal_Int16 nArgPos )
{
const SequenceContent* pCurr = rSequence.getConstArray();
const SequenceContent* pEnd = pCurr + rSequence.getLength();
while( pCurr != pEnd )
verifyInput( *pCurr++, pStr, xIf, nArgPos );
}
/// Catch-all, to handle cases that DON'T need input checking (i.e. the Integer geometry ones)
template< typename T > void verifyInput( const T& /*rDummy*/,
const char* /*pStr*/,
const css::uno::Reference< css::uno::XInterface >& /*xIf*/,
::sal_Int16 /*nArgPos*/ )
{
}
// TODO(Q2): Employ some template arglist magic here, to avoid
// this duplication of code...
template< typename Arg0 > void verifyArgs( const Arg0& rArg0,
const char* pStr,
const css::uno::Reference< css::uno::XInterface >& xIf )
{
verifyInput( rArg0, pStr, xIf, 0 );
}
template< typename Arg0,
typename Arg1 > void verifyArgs( const Arg0& rArg0,
const Arg1& rArg1,
const char* pStr,
const css::uno::Reference< css::uno::XInterface >& xIf )
{
verifyInput( rArg0, pStr, xIf, 0 );
verifyInput( rArg1, pStr, xIf, 1 );
}
template< typename Arg0,
typename Arg1,
typename Arg2 > void verifyArgs( const Arg0& rArg0,
const Arg1& rArg1,
const Arg2& rArg2,
const char* pStr,
const css::uno::Reference< css::uno::XInterface >& xIf )
{
verifyInput( rArg0, pStr, xIf, 0 );
verifyInput( rArg1, pStr, xIf, 1 );
verifyInput( rArg2, pStr, xIf, 2 );
}
template< typename Arg0,
typename Arg1,
typename Arg2,
typename Arg3 > void verifyArgs( const Arg0& rArg0,
const Arg1& rArg1,
const Arg2& rArg2,
const Arg3& rArg3,
const char* pStr,
const css::uno::Reference< css::uno::XInterface >& xIf )
{
verifyInput( rArg0, pStr, xIf, 0 );
verifyInput( rArg1, pStr, xIf, 1 );
verifyInput( rArg2, pStr, xIf, 2 );
verifyInput( rArg3, pStr, xIf, 3 );
}
template< typename Arg0,
typename Arg1,
typename Arg2,
typename Arg3,
typename Arg4 > void verifyArgs( const Arg0& rArg0,
const Arg1& rArg1,
const Arg2& rArg2,
const Arg3& rArg3,
const Arg4& rArg4,
const char* pStr,
const css::uno::Reference< css::uno::XInterface >& xIf )
{
verifyInput( rArg0, pStr, xIf, 0 );
verifyInput( rArg1, pStr, xIf, 1 );
verifyInput( rArg2, pStr, xIf, 2 );
verifyInput( rArg3, pStr, xIf, 3 );
verifyInput( rArg4, pStr, xIf, 4 );
}
template< typename Arg0,
typename Arg1,
typename Arg2,
typename Arg3,
typename Arg4,
typename Arg5 > void verifyArgs( const Arg0& rArg0,
const Arg1& rArg1,
const Arg2& rArg2,
const Arg3& rArg3,
const Arg4& rArg4,
const Arg5& rArg5,
const char* pStr,
const css::uno::Reference< css::uno::XInterface >& xIf )
{
verifyInput( rArg0, pStr, xIf, 0 );
verifyInput( rArg1, pStr, xIf, 1 );
verifyInput( rArg2, pStr, xIf, 2 );
verifyInput( rArg3, pStr, xIf, 3 );
verifyInput( rArg4, pStr, xIf, 4 );
verifyInput( rArg5, pStr, xIf, 5 );
}
template< typename Arg0,
typename Arg1,
typename Arg2,
typename Arg3,
typename Arg4,
typename Arg5,
typename Arg6 > void verifyArgs( const Arg0& rArg0,
const Arg1& rArg1,
const Arg2& rArg2,
const Arg3& rArg3,
const Arg4& rArg4,
const Arg5& rArg5,
const Arg6& rArg6,
const char* pStr,
const css::uno::Reference< css::uno::XInterface >& xIf )
{
verifyInput( rArg0, pStr, xIf, 0 );
verifyInput( rArg1, pStr, xIf, 1 );
verifyInput( rArg2, pStr, xIf, 2 );
verifyInput( rArg3, pStr, xIf, 3 );
verifyInput( rArg4, pStr, xIf, 4 );
verifyInput( rArg5, pStr, xIf, 5 );
verifyInput( rArg6, pStr, xIf, 6 );
}
/** Range checker, which throws css::lang::IllegalArgument exception, when
range is violated
*/
template< typename NumType > inline void verifyRange( NumType arg, NumType lowerBound, NumType upperBound )
{
if( arg < lowerBound ||
arg > upperBound )
{
throw css::lang::IllegalArgumentException();
}
}
/** Range checker, which throws css::lang::IllegalArgument exception, when
range is violated
The checked range is half open, i.e. only bound by the specified value.
@param arg
Arg to check
@param bound
Bound to check against
@param bLowerBound
When true, given bound is the lower bound. When false,
given bound is the upper bound.
*/
template< typename NumType > inline void verifyRange( NumType arg, NumType bound, bool bLowerBound=true )
{
if( (bLowerBound && arg < bound) ||
(!bLowerBound && arg > bound) )
{
throw css::lang::IllegalArgumentException();
}
}
/** Range checker, which throws css::lang::IndexOutOfBounds exception, when
index range is violated
@param rect
Rect to verify
@param size
Given rectangle must be within ((0,0), (size.Width, size.Height))
*/
CANVASTOOLS_DLLPUBLIC void verifyIndexRange( const css::geometry::IntegerRectangle2D& rect,
const css::geometry::IntegerSize2D& size );
/** Range checker, which throws css::lang::IndexOutOfBounds exception, when
index range is violated
@param pos
Position to verify
@param size
Given position must be within ((0,0), (size.Width, size.Height))
*/
CANVASTOOLS_DLLPUBLIC void verifyIndexRange( const css::geometry::IntegerPoint2D& pos,
const css::geometry::IntegerSize2D& size );
/** Range checker, which throws css::lang::IndexOutOfBounds exception, when
the size is negative or null
@param size
Size to verify
*/
CANVASTOOLS_DLLPUBLIC void verifyBitmapSize( const css::geometry::IntegerSize2D& size,
const char* pStr,
const css::uno::Reference< css::uno::XInterface >& xIf );
/** Range checker, which throws css::lang::IndexOutOfBounds exception, when
the size is negative or null
@param size
Size to verify
*/
CANVASTOOLS_DLLPUBLIC void verifySpriteSize( const css::geometry::RealSize2D& size,
const char* pStr,
const css::uno::Reference< css::uno::XInterface >& xIf );
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */