Mozilla/mozilla/layout/html/style/src/nsHTMLValue.cpp
dmose%mozilla.org 92d791b7b0 updated license boilerplate to xPL 1.1, a=chofmann@netscape.com,r=endico@mozilla.org
git-svn-id: svn://10.0.0.236/trunk@52908 18797224-902f-48f8-a5cc-f745e15eee43
1999-11-06 03:40:37 +00:00

323 lines
8.2 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* 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 Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*/
#include "nsHTMLValue.h"
#include "nsString.h"
#include "nsCRT.h"
#include "nsISizeOfHandler.h"
nsHTMLValue::nsHTMLValue(nsHTMLUnit aUnit)
: mUnit(aUnit)
{
NS_ASSERTION((aUnit <= eHTMLUnit_Empty), "not a valueless unit");
if (aUnit > eHTMLUnit_Empty) {
mUnit = eHTMLUnit_Null;
}
mValue.mString = nsnull;
}
nsHTMLValue::nsHTMLValue(PRInt32 aValue, nsHTMLUnit aUnit)
: mUnit(aUnit)
{
NS_ASSERTION((eHTMLUnit_Integer == aUnit) ||
(eHTMLUnit_Enumerated == aUnit) ||
(eHTMLUnit_Proportional == aUnit) ||
(eHTMLUnit_Pixel == aUnit), "not an integer value");
if ((eHTMLUnit_Integer == aUnit) ||
(eHTMLUnit_Enumerated == aUnit) ||
(eHTMLUnit_Proportional == aUnit) ||
(eHTMLUnit_Pixel == aUnit)) {
mValue.mInt = aValue;
}
else {
mUnit = eHTMLUnit_Null;
mValue.mInt = 0;
}
}
nsHTMLValue::nsHTMLValue(float aValue)
: mUnit(eHTMLUnit_Percent)
{
mValue.mFloat = aValue;
}
nsHTMLValue::nsHTMLValue(const nsString& aValue, nsHTMLUnit aUnit)
: mUnit(aUnit)
{
NS_ASSERTION((eHTMLUnit_String == aUnit) ||
(eHTMLUnit_ColorName == aUnit), "not a string value");
if ((eHTMLUnit_String == aUnit) ||
(eHTMLUnit_ColorName == aUnit)) {
mValue.mString = aValue.ToNewString();
}
else {
mUnit = eHTMLUnit_Null;
mValue.mInt = 0;
}
}
nsHTMLValue::nsHTMLValue(nsISupports* aValue)
: mUnit(eHTMLUnit_ISupports)
{
mValue.mISupports = aValue;
NS_IF_ADDREF(mValue.mISupports);
}
nsHTMLValue::nsHTMLValue(nscolor aValue)
: mUnit(eHTMLUnit_Color)
{
mValue.mColor = aValue;
}
nsHTMLValue::nsHTMLValue(const nsHTMLValue& aCopy)
: mUnit(aCopy.mUnit)
{
if ((eHTMLUnit_String == mUnit) || (eHTMLUnit_ColorName == mUnit)) {
if (nsnull != aCopy.mValue.mString) {
mValue.mString = aCopy.mValue.mString->ToNewString();
}
else {
mValue.mString = nsnull;
}
}
else if (eHTMLUnit_ISupports == mUnit) {
mValue.mISupports = aCopy.mValue.mISupports;
NS_IF_ADDREF(mValue.mISupports);
}
else if (eHTMLUnit_Color == mUnit){
mValue.mColor = aCopy.mValue.mColor;
}
else if (eHTMLUnit_Percent == mUnit) {
mValue.mFloat = aCopy.mValue.mFloat;
}
else {
mValue.mInt = aCopy.mValue.mInt;
}
}
nsHTMLValue::~nsHTMLValue(void)
{
Reset();
}
nsHTMLValue& nsHTMLValue::operator=(const nsHTMLValue& aCopy)
{
Reset();
mUnit = aCopy.mUnit;
if ((eHTMLUnit_String == mUnit) || (eHTMLUnit_ColorName == mUnit)) {
if (nsnull != aCopy.mValue.mString) {
mValue.mString = aCopy.mValue.mString->ToNewString();
}
}
else if (eHTMLUnit_ISupports == mUnit) {
mValue.mISupports = aCopy.mValue.mISupports;
NS_IF_ADDREF(mValue.mISupports);
}
else if (eHTMLUnit_Color == mUnit){
mValue.mColor = aCopy.mValue.mColor;
}
else if (eHTMLUnit_Percent == mUnit) {
mValue.mFloat = aCopy.mValue.mFloat;
}
else {
mValue.mInt = aCopy.mValue.mInt;
}
return *this;
}
PRBool nsHTMLValue::operator==(const nsHTMLValue& aOther) const
{
if (mUnit == aOther.mUnit) {
if ((eHTMLUnit_String == mUnit) || (eHTMLUnit_ColorName == mUnit)) {
if (nsnull == mValue.mString) {
if (nsnull == aOther.mValue.mString) {
return PR_TRUE;
}
}
else if (nsnull != aOther.mValue.mString) {
return mValue.mString->EqualsIgnoreCase(*(aOther.mValue.mString));
}
}
else if (eHTMLUnit_ISupports == mUnit) {
return PRBool(mValue.mISupports == aOther.mValue.mISupports);
}
else if (eHTMLUnit_Color == mUnit){
return PRBool(mValue.mColor == aOther.mValue.mColor);
}
else if (eHTMLUnit_Percent == mUnit) {
return PRBool(mValue.mFloat == aOther.mValue.mFloat);
}
else {
return PRBool(mValue.mInt == aOther.mValue.mInt);
}
}
return PR_FALSE;
}
PRUint32 nsHTMLValue::HashValue(void) const
{
return PRUint32(mUnit) ^
((((eHTMLUnit_String == mUnit) || (eHTMLUnit_ColorName == mUnit)) &&
(nsnull != mValue.mString)) ?
nsCRT::HashValue(mValue.mString->GetUnicode()) :
mValue.mInt);
}
void nsHTMLValue::Reset(void)
{
if ((eHTMLUnit_String == mUnit) || (eHTMLUnit_ColorName == mUnit)) {
if (nsnull != mValue.mString) {
delete mValue.mString;
}
}
else if (eHTMLUnit_ISupports == mUnit) {
NS_IF_RELEASE(mValue.mISupports);
}
mUnit = eHTMLUnit_Null;
mValue.mString = nsnull;
}
void nsHTMLValue::SetIntValue(PRInt32 aValue, nsHTMLUnit aUnit)
{
Reset();
NS_ASSERTION((eHTMLUnit_Integer == aUnit) ||
(eHTMLUnit_Enumerated == aUnit) ||
(eHTMLUnit_Proportional == aUnit), "not an int value");
if ((eHTMLUnit_Integer == aUnit) ||
(eHTMLUnit_Enumerated == aUnit) ||
(eHTMLUnit_Proportional == aUnit)) {
mUnit = aUnit;
mValue.mInt = aValue;
}
}
void nsHTMLValue::SetPixelValue(PRInt32 aValue)
{
Reset();
mUnit = eHTMLUnit_Pixel;
mValue.mInt = aValue;
}
void nsHTMLValue::SetPercentValue(float aValue)
{
Reset();
mUnit = eHTMLUnit_Percent;
mValue.mFloat = aValue;
}
void nsHTMLValue::SetStringValue(const nsString& aValue, nsHTMLUnit aUnit)
{
Reset();
if ((eHTMLUnit_String == aUnit) || (eHTMLUnit_ColorName == aUnit)) {
mUnit = aUnit;
mValue.mString = aValue.ToNewString();
}
}
void nsHTMLValue::SetISupportsValue(nsISupports* aValue)
{
Reset();
mUnit = eHTMLUnit_ISupports;
mValue.mISupports = aValue;
NS_IF_ADDREF(mValue.mISupports);
}
void nsHTMLValue::SetColorValue(nscolor aValue)
{
Reset();
mUnit = eHTMLUnit_Color;
mValue.mColor = aValue;
}
void nsHTMLValue::SetEmptyValue(void)
{
Reset();
mUnit = eHTMLUnit_Empty;
}
void nsHTMLValue::AppendToString(nsString& aBuffer) const
{
if (eHTMLUnit_Null == mUnit) {
return;
}
if (eHTMLUnit_Empty == mUnit) {
}
else if ((eHTMLUnit_String == mUnit) || (eHTMLUnit_ColorName == mUnit)) {
if (nsnull != mValue.mString) {
aBuffer.Append('"');
aBuffer.Append(*(mValue.mString));
aBuffer.Append('"');
}
else {
aBuffer.Append("null str");
}
}
else if (eHTMLUnit_ISupports == mUnit) {
aBuffer.Append("0x");
aBuffer.Append((PRInt32)mValue.mISupports, 16);
}
else if (eHTMLUnit_Color == mUnit){
aBuffer.Append("(0x");
aBuffer.Append(NS_GET_R(mValue.mColor), 16);
aBuffer.Append(" 0x");
aBuffer.Append(NS_GET_G(mValue.mColor), 16);
aBuffer.Append(" 0x");
aBuffer.Append(NS_GET_B(mValue.mColor), 16);
aBuffer.Append(" 0x");
aBuffer.Append(NS_GET_A(mValue.mColor), 16);
aBuffer.Append(')');
}
else if (eHTMLUnit_Percent == mUnit) {
aBuffer.Append(mValue.mFloat * 100.0f);
}
else {
aBuffer.Append(mValue.mInt, 10);
aBuffer.Append("[0x");
aBuffer.Append(mValue.mInt, 16);
aBuffer.Append(']');
}
switch (mUnit) {
case eHTMLUnit_Null: break;
case eHTMLUnit_Empty: break;
case eHTMLUnit_String: break;
case eHTMLUnit_ColorName: break;
case eHTMLUnit_ISupports: aBuffer.Append("ptr"); break;
case eHTMLUnit_Integer: break;
case eHTMLUnit_Enumerated: aBuffer.Append("enum"); break;
case eHTMLUnit_Proportional: aBuffer.Append("*"); break;
case eHTMLUnit_Color: aBuffer.Append("rbga"); break;
case eHTMLUnit_Percent: aBuffer.Append("%"); break;
case eHTMLUnit_Pixel: aBuffer.Append("px"); break;
}
aBuffer.Append(' ');
}
void nsHTMLValue::ToString(nsString& aBuffer) const
{
aBuffer.Truncate();
AppendToString(aBuffer);
}