2001-09-25 05:32:19 +04:00
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: NPL 1.1/GPL 2.0/LGPL 2.1
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2001-03-08 05:41:16 +03:00
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*
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2001-09-25 05:32:19 +04:00
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* The contents of this file are subject to the Netscape Public License
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* Version 1.1 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/NPL/
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2001-03-08 05:41:16 +03:00
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*
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2001-09-25 05:32:19 +04:00
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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2001-03-08 05:41:16 +03:00
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*
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* The Original Code is mozilla.org code.
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*
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2001-09-25 05:32:19 +04:00
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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2001-03-08 05:41:16 +03:00
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*
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2001-09-25 05:32:19 +04:00
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* Contributor(s):
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*
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the NPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the NPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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2001-03-08 05:41:16 +03:00
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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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2002-01-12 06:18:55 +03:00
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memcpy(&mValue, &aValue, sizeof(nsStyleUnion));
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2001-03-08 05:41:16 +03:00
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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.AppendFloat(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.AppendInt(mValue.mInt, 10);
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2001-12-16 14:58:03 +03:00
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aBuffer.Append(NS_LITERAL_STRING("[0x"));
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2001-03-08 05:41:16 +03:00
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aBuffer.AppendInt(mValue.mInt, 16);
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2001-12-16 14:58:03 +03:00
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aBuffer.Append(PRUnichar(']'));
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2001-03-08 05:41:16 +03:00
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}
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switch (mUnit) {
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2001-12-16 14:58:03 +03:00
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case eStyleUnit_Null: aBuffer.Append(NS_LITERAL_STRING("Null")); break;
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case eStyleUnit_Coord: aBuffer.Append(NS_LITERAL_STRING("tw")); break;
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case eStyleUnit_Percent: aBuffer.Append(NS_LITERAL_STRING("%")); break;
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case eStyleUnit_Factor: aBuffer.Append(NS_LITERAL_STRING("f")); break;
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case eStyleUnit_Normal: aBuffer.Append(NS_LITERAL_STRING("Normal")); break;
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case eStyleUnit_Auto: aBuffer.Append(NS_LITERAL_STRING("Auto")); break;
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case eStyleUnit_Inherit: aBuffer.Append(NS_LITERAL_STRING("Inherit")); break;
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case eStyleUnit_Proportional: aBuffer.Append(NS_LITERAL_STRING("*")); break;
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case eStyleUnit_Enumerated: aBuffer.Append(NS_LITERAL_STRING("enum")); break;
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case eStyleUnit_Integer: aBuffer.Append(NS_LITERAL_STRING("int")); break;
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case eStyleUnit_Chars: aBuffer.Append(NS_LITERAL_STRING("chars")); break;
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2001-03-08 05:41:16 +03:00
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}
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2001-12-16 14:58:03 +03:00
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aBuffer.Append(PRUnichar(' '));
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2001-03-08 05:41:16 +03:00
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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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2001-12-16 14:58:03 +03:00
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aBuffer.Append(NS_LITERAL_STRING("left: "));
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2001-03-08 05:41:16 +03:00
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temp.AppendToString(aBuffer);
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GetTop(temp);
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2001-12-16 14:58:03 +03:00
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aBuffer.Append(NS_LITERAL_STRING("top: "));
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2001-03-08 05:41:16 +03:00
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temp.AppendToString(aBuffer);
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GetRight(temp);
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2001-12-16 14:58:03 +03:00
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aBuffer.Append(NS_LITERAL_STRING("right: "));
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2001-03-08 05:41:16 +03:00
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temp.AppendToString(aBuffer);
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GetBottom(temp);
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2001-12-16 14:58:03 +03:00
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aBuffer.Append(NS_LITERAL_STRING("bottom: "));
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2001-03-08 05:41:16 +03:00
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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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