/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* ***** BEGIN LICENSE BLOCK ***** * Version: NPL 1.1/GPL 2.0/LGPL 2.1 * * The contents of this file are subject to the Netscape Public License * Version 1.1 (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.mozilla.org/NPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is mozilla.org code. * * The Initial Developer of the Original Code is * Netscape Communications Corporation. * Portions created by the Initial Developer are Copyright (C) 1998 * the Initial Developer. All Rights Reserved. * * Contributor(s): * * * Alternatively, the contents of this file may be used under the terms of * either the GNU General Public License Version 2 or later (the "GPL"), or * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), * in which case the provisions of the GPL or the LGPL are applicable instead * of those above. If you wish to allow use of your version of this file only * under the terms of either the GPL or the LGPL, and not to allow others to * use your version of this file under the terms of the NPL, indicate your * decision by deleting the provisions above and replace them with the notice * and other provisions required by the GPL or the LGPL. If you do not delete * the provisions above, a recipient may use your version of this file under * the terms of any one of the NPL, the GPL or the LGPL. * * ***** END LICENSE BLOCK ***** */ #include "nsStyleCoord.h" #include "nsString.h" #include "nsCRT.h" nsStyleCoord::nsStyleCoord(nsStyleUnit aUnit) : mUnit(aUnit) { NS_ASSERTION(aUnit < eStyleUnit_Percent, "not a valueless unit"); if (aUnit >= eStyleUnit_Percent) { mUnit = eStyleUnit_Null; } mValue.mInt = 0; } nsStyleCoord::nsStyleCoord(nscoord aValue) : mUnit(eStyleUnit_Coord) { mValue.mInt = aValue; } nsStyleCoord::nsStyleCoord(PRInt32 aValue, nsStyleUnit aUnit) : mUnit(aUnit) { //if you want to pass in eStyleUnit_Coord, don't. instead, use the //constructor just above this one... MMP NS_ASSERTION((aUnit == eStyleUnit_Proportional) || (aUnit == eStyleUnit_Enumerated) || (aUnit == eStyleUnit_Integer), "not an int value"); if ((aUnit == eStyleUnit_Proportional) || (aUnit == eStyleUnit_Enumerated) || (aUnit == eStyleUnit_Integer)) { mValue.mInt = aValue; } else { mUnit = eStyleUnit_Null; mValue.mInt = 0; } } nsStyleCoord::nsStyleCoord(float aValue, nsStyleUnit aUnit) : mUnit(aUnit) { NS_ASSERTION((aUnit == eStyleUnit_Percent) || (aUnit == eStyleUnit_Factor), "not a float value"); if ((aUnit == eStyleUnit_Percent) || (aUnit == eStyleUnit_Factor)) { mValue.mFloat = aValue; } else { mUnit = eStyleUnit_Null; mValue.mInt = 0; } } nsStyleCoord::nsStyleCoord(const nsStyleCoord& aCopy) : mUnit(aCopy.mUnit) { if ((eStyleUnit_Percent <= mUnit) && (mUnit < eStyleUnit_Coord)) { mValue.mFloat = aCopy.mValue.mFloat; } else { mValue.mInt = aCopy.mValue.mInt; } } nsStyleCoord& nsStyleCoord::operator=(const nsStyleCoord& aCopy) { mUnit = aCopy.mUnit; if ((eStyleUnit_Percent <= mUnit) && (mUnit < eStyleUnit_Coord)) { mValue.mFloat = aCopy.mValue.mFloat; } else { mValue.mInt = aCopy.mValue.mInt; } return *this; } PRBool nsStyleCoord::operator==(const nsStyleCoord& aOther) const { if (mUnit == aOther.mUnit) { if ((eStyleUnit_Percent <= mUnit) && (mUnit < eStyleUnit_Coord)) { return PRBool(mValue.mFloat == aOther.mValue.mFloat); } else { return PRBool(mValue.mInt == aOther.mValue.mInt); } } return PR_FALSE; } void nsStyleCoord::Reset(void) { mUnit = eStyleUnit_Null; mValue.mInt = 0; } void nsStyleCoord::SetCoordValue(nscoord aValue) { mUnit = eStyleUnit_Coord; mValue.mInt = aValue; } void nsStyleCoord::SetIntValue(PRInt32 aValue, nsStyleUnit aUnit) { NS_ASSERTION((aUnit == eStyleUnit_Proportional) || (aUnit == eStyleUnit_Enumerated) || (aUnit == eStyleUnit_Chars) || (aUnit == eStyleUnit_Integer), "not an int value"); if ((aUnit == eStyleUnit_Proportional) || (aUnit == eStyleUnit_Enumerated) || (aUnit == eStyleUnit_Chars) || (aUnit == eStyleUnit_Integer)) { mUnit = aUnit; mValue.mInt = aValue; } else { Reset(); } } void nsStyleCoord::SetPercentValue(float aValue) { mUnit = eStyleUnit_Percent; mValue.mFloat = aValue; } void nsStyleCoord::SetFactorValue(float aValue) { mUnit = eStyleUnit_Factor; mValue.mFloat = aValue; } void nsStyleCoord::SetNormalValue(void) { mUnit = eStyleUnit_Normal; mValue.mInt = 0; } void nsStyleCoord::SetAutoValue(void) { mUnit = eStyleUnit_Auto; mValue.mInt = 0; } void nsStyleCoord::SetInheritValue(void) { mUnit = eStyleUnit_Inherit; mValue.mInt = 0; } void nsStyleCoord::SetUnionValue(const nsStyleUnion& aValue, nsStyleUnit aUnit) { mUnit = aUnit; #if PR_BYTES_PER_INT == PR_BYTES_PER_FLOAT mValue.mInt = aValue.mInt; #else memcpy(&mValue, &aValue, sizeof(nsStyleUnion)); #endif } void nsStyleCoord::AppendToString(nsString& aBuffer) const { if ((eStyleUnit_Percent <= mUnit) && (mUnit < eStyleUnit_Coord)) { aBuffer.AppendFloat(mValue.mFloat); } else if ((eStyleUnit_Coord == mUnit) || (eStyleUnit_Proportional == mUnit) || (eStyleUnit_Enumerated == mUnit) || (eStyleUnit_Integer == mUnit)) { aBuffer.AppendInt(mValue.mInt, 10); aBuffer.Append(NS_LITERAL_STRING("[0x")); aBuffer.AppendInt(mValue.mInt, 16); aBuffer.Append(PRUnichar(']')); } switch (mUnit) { case eStyleUnit_Null: aBuffer.Append(NS_LITERAL_STRING("Null")); break; case eStyleUnit_Coord: aBuffer.Append(NS_LITERAL_STRING("tw")); break; case eStyleUnit_Percent: aBuffer.Append(NS_LITERAL_STRING("%")); break; case eStyleUnit_Factor: aBuffer.Append(NS_LITERAL_STRING("f")); break; case eStyleUnit_Normal: aBuffer.Append(NS_LITERAL_STRING("Normal")); break; case eStyleUnit_Auto: aBuffer.Append(NS_LITERAL_STRING("Auto")); break; case eStyleUnit_Inherit: aBuffer.Append(NS_LITERAL_STRING("Inherit")); break; case eStyleUnit_Proportional: aBuffer.Append(NS_LITERAL_STRING("*")); break; case eStyleUnit_Enumerated: aBuffer.Append(NS_LITERAL_STRING("enum")); break; case eStyleUnit_Integer: aBuffer.Append(NS_LITERAL_STRING("int")); break; case eStyleUnit_Chars: aBuffer.Append(NS_LITERAL_STRING("chars")); break; } aBuffer.Append(PRUnichar(' ')); } void nsStyleCoord::ToString(nsString& aBuffer) const { aBuffer.Truncate(); AppendToString(aBuffer); } nsStyleSides::nsStyleSides(void) { nsCRT::memset(this, 0x00, sizeof(nsStyleSides)); } #define COMPARE_SIDE(side) \ if ((eStyleUnit_Percent <= m##side##Unit) && (m##side##Unit < eStyleUnit_Coord)) { \ if (m##side##Value.mFloat != aOther.m##side##Value.mFloat) \ return PR_FALSE; \ } \ else { \ if (m##side##Value.mInt != aOther.m##side##Value.mInt) \ return PR_FALSE; \ } PRBool nsStyleSides::operator==(const nsStyleSides& aOther) const { if ((mLeftUnit == aOther.mLeftUnit) && (mTopUnit == aOther.mTopUnit) && (mRightUnit == aOther.mRightUnit) && (mBottomUnit == aOther.mBottomUnit)) { COMPARE_SIDE(Left); COMPARE_SIDE(Top); COMPARE_SIDE(Right); COMPARE_SIDE(Bottom); return PR_TRUE; } return PR_FALSE; } void nsStyleSides::Reset(void) { nsCRT::memset(this, 0x00, sizeof(nsStyleSides)); } void nsStyleSides::AppendToString(nsString& aBuffer) const { nsStyleCoord temp; GetLeft(temp); aBuffer.Append(NS_LITERAL_STRING("left: ")); temp.AppendToString(aBuffer); GetTop(temp); aBuffer.Append(NS_LITERAL_STRING("top: ")); temp.AppendToString(aBuffer); GetRight(temp); aBuffer.Append(NS_LITERAL_STRING("right: ")); temp.AppendToString(aBuffer); GetBottom(temp); aBuffer.Append(NS_LITERAL_STRING("bottom: ")); temp.AppendToString(aBuffer); } void nsStyleSides::ToString(nsString& aBuffer) const { aBuffer.Truncate(); AppendToString(aBuffer); }