зеркало из https://github.com/mozilla/pjs.git
281 строка
7.4 KiB
C++
281 строка
7.4 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#include "nsStyleCoord.h"
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#include "nsString.h"
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#include "nsCRT.h"
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nsStyleCoord::nsStyleCoord(nsStyleUnit aUnit)
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: mUnit(aUnit)
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{
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NS_ASSERTION(aUnit < eStyleUnit_Percent, "not a valueless unit");
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if (aUnit >= eStyleUnit_Percent) {
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mUnit = eStyleUnit_Null;
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}
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mValue.mInt = 0;
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}
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nsStyleCoord::nsStyleCoord(nscoord aValue)
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: mUnit(eStyleUnit_Coord)
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{
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mValue.mInt = aValue;
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}
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nsStyleCoord::nsStyleCoord(PRInt32 aValue, nsStyleUnit aUnit)
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: mUnit(aUnit)
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{
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//if you want to pass in eStyleUnit_Coord, don't. instead, use the
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//constructor just above this one... MMP
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NS_ASSERTION((aUnit == eStyleUnit_Proportional) ||
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(aUnit == eStyleUnit_Enumerated) ||
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(aUnit == eStyleUnit_Integer), "not an int value");
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if ((aUnit == eStyleUnit_Proportional) ||
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(aUnit == eStyleUnit_Enumerated) ||
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(aUnit == eStyleUnit_Integer)) {
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mValue.mInt = aValue;
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}
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else {
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mUnit = eStyleUnit_Null;
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mValue.mInt = 0;
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}
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}
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nsStyleCoord::nsStyleCoord(float aValue, nsStyleUnit aUnit)
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: mUnit(aUnit)
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{
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NS_ASSERTION((aUnit == eStyleUnit_Percent) ||
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(aUnit == eStyleUnit_Factor), "not a float value");
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if ((aUnit == eStyleUnit_Percent) ||
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(aUnit == eStyleUnit_Factor)) {
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mValue.mFloat = aValue;
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}
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else {
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mUnit = eStyleUnit_Null;
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mValue.mInt = 0;
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}
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}
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nsStyleCoord::nsStyleCoord(const nsStyleCoord& aCopy)
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: mUnit(aCopy.mUnit)
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{
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if ((eStyleUnit_Percent <= mUnit) && (mUnit < eStyleUnit_Coord)) {
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mValue.mFloat = aCopy.mValue.mFloat;
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}
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else {
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mValue.mInt = aCopy.mValue.mInt;
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}
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}
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nsStyleCoord& nsStyleCoord::operator=(const nsStyleCoord& aCopy)
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{
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mUnit = aCopy.mUnit;
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if ((eStyleUnit_Percent <= mUnit) && (mUnit < eStyleUnit_Coord)) {
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mValue.mFloat = aCopy.mValue.mFloat;
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}
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else {
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mValue.mInt = aCopy.mValue.mInt;
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}
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return *this;
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}
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PRBool nsStyleCoord::operator==(const nsStyleCoord& aOther) const
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{
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if (mUnit == aOther.mUnit) {
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if ((eStyleUnit_Percent <= mUnit) && (mUnit < eStyleUnit_Coord)) {
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return PRBool(mValue.mFloat == aOther.mValue.mFloat);
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}
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else {
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return PRBool(mValue.mInt == aOther.mValue.mInt);
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}
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}
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return PR_FALSE;
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}
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void nsStyleCoord::Reset(void)
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{
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mUnit = eStyleUnit_Null;
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mValue.mInt = 0;
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}
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void nsStyleCoord::SetCoordValue(nscoord aValue)
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{
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mUnit = eStyleUnit_Coord;
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mValue.mInt = aValue;
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}
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void nsStyleCoord::SetIntValue(PRInt32 aValue, nsStyleUnit aUnit)
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{
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NS_ASSERTION((aUnit == eStyleUnit_Proportional) ||
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(aUnit == eStyleUnit_Enumerated) ||
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(aUnit == eStyleUnit_Chars) ||
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(aUnit == eStyleUnit_Integer), "not an int value");
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if ((aUnit == eStyleUnit_Proportional) ||
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(aUnit == eStyleUnit_Enumerated) ||
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(aUnit == eStyleUnit_Chars) ||
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(aUnit == eStyleUnit_Integer)) {
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mUnit = aUnit;
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mValue.mInt = aValue;
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}
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else {
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Reset();
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}
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}
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void nsStyleCoord::SetPercentValue(float aValue)
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{
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mUnit = eStyleUnit_Percent;
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mValue.mFloat = aValue;
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}
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void nsStyleCoord::SetFactorValue(float aValue)
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{
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mUnit = eStyleUnit_Factor;
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mValue.mFloat = aValue;
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}
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void nsStyleCoord::SetNormalValue(void)
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{
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mUnit = eStyleUnit_Normal;
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mValue.mInt = 0;
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}
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void nsStyleCoord::SetAutoValue(void)
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{
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mUnit = eStyleUnit_Auto;
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mValue.mInt = 0;
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}
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void nsStyleCoord::SetInheritValue(void)
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{
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mUnit = eStyleUnit_Inherit;
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mValue.mInt = 0;
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}
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void nsStyleCoord::SetUnionValue(const nsStyleUnion& aValue, nsStyleUnit aUnit)
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{
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mUnit = aUnit;
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#if PR_BYTES_PER_INT == PR_BYTES_PER_FLOAT
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mValue.mInt = aValue.mInt;
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#else
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nsCRT::memcpy(&mValue, &aValue, sizeof(nsStyleUnion));
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#endif
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}
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void nsStyleCoord::AppendToString(nsString& aBuffer) const
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{
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if ((eStyleUnit_Percent <= mUnit) && (mUnit < eStyleUnit_Coord)) {
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aBuffer.Append(mValue.mFloat);
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}
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else if ((eStyleUnit_Coord == mUnit) ||
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(eStyleUnit_Proportional == mUnit) ||
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(eStyleUnit_Enumerated == mUnit) ||
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(eStyleUnit_Integer == mUnit)) {
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aBuffer.Append(mValue.mInt, 10);
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aBuffer.Append("[0x");
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aBuffer.Append(mValue.mInt, 16);
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aBuffer.Append(']');
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}
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switch (mUnit) {
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case eStyleUnit_Null: aBuffer.Append("Null"); break;
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case eStyleUnit_Coord: aBuffer.Append("tw"); break;
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case eStyleUnit_Percent: aBuffer.Append("%"); break;
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case eStyleUnit_Factor: aBuffer.Append("f"); break;
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case eStyleUnit_Normal: aBuffer.Append("Normal"); break;
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case eStyleUnit_Auto: aBuffer.Append("Auto"); break;
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case eStyleUnit_Inherit: aBuffer.Append("Inherit"); break;
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case eStyleUnit_Proportional: aBuffer.Append("*"); break;
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case eStyleUnit_Enumerated: aBuffer.Append("enum"); break;
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case eStyleUnit_Integer: aBuffer.Append("int"); break;
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case eStyleUnit_Chars: aBuffer.Append("chars"); break;
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}
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aBuffer.Append(' ');
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}
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void nsStyleCoord::ToString(nsString& aBuffer) const
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{
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aBuffer.Truncate();
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AppendToString(aBuffer);
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}
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nsStyleSides::nsStyleSides(void)
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{
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nsCRT::memset(this, 0x00, sizeof(nsStyleSides));
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}
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#define COMPARE_SIDE(side) \
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if ((eStyleUnit_Percent <= m##side##Unit) && (m##side##Unit < eStyleUnit_Coord)) { \
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if (m##side##Value.mFloat != aOther.m##side##Value.mFloat) \
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return PR_FALSE; \
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} \
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else { \
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if (m##side##Value.mInt != aOther.m##side##Value.mInt) \
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return PR_FALSE; \
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}
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PRBool nsStyleSides::operator==(const nsStyleSides& aOther) const
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{
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if ((mLeftUnit == aOther.mLeftUnit) &&
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(mTopUnit == aOther.mTopUnit) &&
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(mRightUnit == aOther.mRightUnit) &&
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(mBottomUnit == aOther.mBottomUnit)) {
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COMPARE_SIDE(Left);
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COMPARE_SIDE(Top);
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COMPARE_SIDE(Right);
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COMPARE_SIDE(Bottom);
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return PR_TRUE;
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}
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return PR_FALSE;
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}
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void nsStyleSides::Reset(void)
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{
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nsCRT::memset(this, 0x00, sizeof(nsStyleSides));
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}
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void nsStyleSides::AppendToString(nsString& aBuffer) const
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{
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nsStyleCoord temp;
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GetLeft(temp);
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aBuffer.Append("left: ");
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temp.AppendToString(aBuffer);
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GetTop(temp);
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aBuffer.Append("top: ");
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temp.AppendToString(aBuffer);
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GetRight(temp);
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aBuffer.Append("right: ");
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temp.AppendToString(aBuffer);
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GetBottom(temp);
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aBuffer.Append("bottom: ");
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temp.AppendToString(aBuffer);
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}
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void nsStyleSides::ToString(nsString& aBuffer) const
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{
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aBuffer.Truncate();
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AppendToString(aBuffer);
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}
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