moved from nsCSSDeclaration

git-svn-id: svn://10.0.0.236/trunk@12255 18797224-902f-48f8-a5cc-f745e15eee43
This commit is contained in:
peterl%netscape.com
1998-10-08 01:29:29 +00:00
parent 20741b8586
commit 1aeed8d11e
6 changed files with 1551 additions and 0 deletions

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/* -*- 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 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
#include "nsCSSValue.h"
#include "nsString.h"
//#include "nsCRT.h"
#include "nsCSSProps.h"
#include "nsCSSPropIDs.h"
#include "nsUnitConversion.h"
//#include "nsStyleConsts.h"
nsCSSValue::nsCSSValue(nsCSSUnit aUnit)
: mUnit(aUnit)
{
NS_ASSERTION(mUnit <= eCSSUnit_Normal, "not a valueless unit");
if (aUnit > eCSSUnit_Normal) {
mUnit = eCSSUnit_Null;
}
mValue.mInt = 0;
}
nsCSSValue::nsCSSValue(PRInt32 aValue, nsCSSUnit aUnit)
: mUnit(aUnit)
{
NS_ASSERTION((eCSSUnit_Integer == aUnit) ||
(eCSSUnit_Enumerated == aUnit), "not an int value");
if ((eCSSUnit_Integer == aUnit) ||
(eCSSUnit_Enumerated == aUnit)) {
mValue.mInt = aValue;
}
else {
mUnit = eCSSUnit_Null;
mValue.mInt = 0;
}
}
nsCSSValue::nsCSSValue(float aValue, nsCSSUnit aUnit)
: mUnit(aUnit)
{
NS_ASSERTION(eCSSUnit_Percent <= aUnit, "not a float value");
if (eCSSUnit_Percent <= aUnit) {
mValue.mFloat = aValue;
}
else {
mUnit = eCSSUnit_Null;
mValue.mInt = 0;
}
}
nsCSSValue::nsCSSValue(const nsString& aValue)
: mUnit(eCSSUnit_String)
{
mValue.mString = aValue.ToNewString();
}
nsCSSValue::nsCSSValue(nscolor aValue)
: mUnit(eCSSUnit_Color)
{
mValue.mColor = aValue;
}
nsCSSValue::nsCSSValue(const nsCSSValue& aCopy)
: mUnit(aCopy.mUnit)
{
if (eCSSUnit_String == mUnit) {
if (nsnull != aCopy.mValue.mString) {
mValue.mString = (aCopy.mValue.mString)->ToNewString();
}
else {
mValue.mString = nsnull;
}
}
else if ((eCSSUnit_Integer <= mUnit) && (mUnit <= eCSSUnit_Enumerated)) {
mValue.mInt = aCopy.mValue.mInt;
}
else if (eCSSUnit_Color == mUnit){
mValue.mColor = aCopy.mValue.mColor;
}
else {
mValue.mFloat = aCopy.mValue.mFloat;
}
}
nsCSSValue::~nsCSSValue(void)
{
Reset();
}
nsCSSValue& nsCSSValue::operator=(const nsCSSValue& aCopy)
{
Reset();
mUnit = aCopy.mUnit;
if (eCSSUnit_String == mUnit) {
if (nsnull != aCopy.mValue.mString) {
mValue.mString = (aCopy.mValue.mString)->ToNewString();
}
}
else if ((eCSSUnit_Integer <= mUnit) && (mUnit <= eCSSUnit_Enumerated)) {
mValue.mInt = aCopy.mValue.mInt;
}
else if (eCSSUnit_Color == mUnit){
mValue.mColor = aCopy.mValue.mColor;
}
else {
mValue.mFloat = aCopy.mValue.mFloat;
}
return *this;
}
PRBool nsCSSValue::operator==(const nsCSSValue& aOther) const
{
if (mUnit == aOther.mUnit) {
if (eCSSUnit_String == mUnit) {
if (nsnull == mValue.mString) {
if (nsnull == aOther.mValue.mString) {
return PR_TRUE;
}
}
else if (nsnull != aOther.mValue.mString) {
return mValue.mString->Equals(*(aOther.mValue.mString));
}
}
else if ((eCSSUnit_Integer <= mUnit) && (mUnit <= eCSSUnit_Enumerated)) {
return PRBool(mValue.mInt == aOther.mValue.mInt);
}
else if (eCSSUnit_Color == mUnit){
return PRBool(mValue.mColor == aOther.mValue.mColor);
}
else {
return PRBool(mValue.mFloat == aOther.mValue.mFloat);
}
}
return PR_FALSE;
}
nscoord nsCSSValue::GetLengthTwips(void) const
{
NS_ASSERTION(IsFixedLengthUnit(), "not a fixed length unit");
if (IsFixedLengthUnit()) {
switch (mUnit) {
case eCSSUnit_Inch:
return NS_INCHES_TO_TWIPS(mValue.mFloat);
case eCSSUnit_Foot:
return NS_FEET_TO_TWIPS(mValue.mFloat);
case eCSSUnit_Mile:
return NS_MILES_TO_TWIPS(mValue.mFloat);
case eCSSUnit_Millimeter:
return NS_MILLIMETERS_TO_TWIPS(mValue.mFloat);
case eCSSUnit_Centimeter:
return NS_CENTIMETERS_TO_TWIPS(mValue.mFloat);
case eCSSUnit_Meter:
return NS_METERS_TO_TWIPS(mValue.mFloat);
case eCSSUnit_Kilometer:
return NS_KILOMETERS_TO_TWIPS(mValue.mFloat);
case eCSSUnit_Point:
return NSFloatPointsToTwips(mValue.mFloat);
case eCSSUnit_Pica:
return NS_PICAS_TO_TWIPS(mValue.mFloat);
case eCSSUnit_Didot:
return NS_DIDOTS_TO_TWIPS(mValue.mFloat);
case eCSSUnit_Cicero:
return NS_CICEROS_TO_TWIPS(mValue.mFloat);
}
}
return 0;
}
void nsCSSValue::Reset(void)
{
if ((eCSSUnit_String == mUnit) && (nsnull != mValue.mString)) {
delete mValue.mString;
}
mUnit = eCSSUnit_Null;
mValue.mInt = 0;
};
void nsCSSValue::SetIntValue(PRInt32 aValue, nsCSSUnit aUnit)
{
NS_ASSERTION((eCSSUnit_Integer == aUnit) ||
(eCSSUnit_Enumerated == aUnit), "not an int value");
Reset();
if ((eCSSUnit_Integer == aUnit) ||
(eCSSUnit_Enumerated == aUnit)) {
mUnit = aUnit;
mValue.mInt = aValue;
}
}
void nsCSSValue::SetPercentValue(float aValue)
{
Reset();
mUnit = eCSSUnit_Percent;
mValue.mFloat = aValue;
}
void nsCSSValue::SetFloatValue(float aValue, nsCSSUnit aUnit)
{
NS_ASSERTION(eCSSUnit_Number <= aUnit, "not a float value");
Reset();
if (eCSSUnit_Number <= aUnit) {
mUnit = aUnit;
mValue.mFloat = aValue;
}
}
void nsCSSValue::SetStringValue(const nsString& aValue)
{
Reset();
mUnit = eCSSUnit_String;
mValue.mString = aValue.ToNewString();
}
void nsCSSValue::SetColorValue(nscolor aValue)
{
Reset();
mUnit = eCSSUnit_Color;
mValue.mColor = aValue;
}
void nsCSSValue::SetAutoValue(void)
{
Reset();
mUnit = eCSSUnit_Auto;
}
void nsCSSValue::SetInheritValue(void)
{
Reset();
mUnit = eCSSUnit_Inherit;
}
void nsCSSValue::SetNoneValue(void)
{
Reset();
mUnit = eCSSUnit_None;
}
void nsCSSValue::SetNormalValue(void)
{
Reset();
mUnit = eCSSUnit_Normal;
}
void nsCSSValue::AppendToString(nsString& aBuffer, PRInt32 aPropID) const
{
if (eCSSUnit_Null == mUnit) {
return;
}
if (-1 < aPropID) {
aBuffer.Append(nsCSSProps::kNameTable[aPropID].name);
aBuffer.Append(": ");
}
if (eCSSUnit_String == mUnit) {
if (nsnull != mValue.mString) {
aBuffer.Append('"');
aBuffer.Append(*(mValue.mString));
aBuffer.Append('"');
}
else {
aBuffer.Append("null str");
}
}
else if ((eCSSUnit_Integer <= mUnit) && (mUnit <= eCSSUnit_Enumerated)) {
aBuffer.Append(mValue.mInt, 10);
aBuffer.Append("[0x");
aBuffer.Append(mValue.mInt, 16);
aBuffer.Append(']');
}
else if (eCSSUnit_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 (eCSSUnit_Percent == mUnit) {
aBuffer.Append(mValue.mFloat * 100.0f);
}
else if (eCSSUnit_Percent < mUnit) {
aBuffer.Append(mValue.mFloat);
}
switch (mUnit) {
case eCSSUnit_Null: break;
case eCSSUnit_Auto: aBuffer.Append("auto"); break;
case eCSSUnit_Inherit: aBuffer.Append("inherit"); break;
case eCSSUnit_None: aBuffer.Append("none"); break;
case eCSSUnit_String: break;
case eCSSUnit_Integer: aBuffer.Append("int"); break;
case eCSSUnit_Enumerated: aBuffer.Append("enum"); break;
case eCSSUnit_Color: aBuffer.Append("rbga"); break;
case eCSSUnit_Percent: aBuffer.Append("%"); break;
case eCSSUnit_Number: aBuffer.Append("#"); break;
case eCSSUnit_Inch: aBuffer.Append("in"); break;
case eCSSUnit_Foot: aBuffer.Append("ft"); break;
case eCSSUnit_Mile: aBuffer.Append("mi"); break;
case eCSSUnit_Millimeter: aBuffer.Append("mm"); break;
case eCSSUnit_Centimeter: aBuffer.Append("cm"); break;
case eCSSUnit_Meter: aBuffer.Append("m"); break;
case eCSSUnit_Kilometer: aBuffer.Append("km"); break;
case eCSSUnit_Point: aBuffer.Append("pt"); break;
case eCSSUnit_Pica: aBuffer.Append("pc"); break;
case eCSSUnit_Didot: aBuffer.Append("dt"); break;
case eCSSUnit_Cicero: aBuffer.Append("cc"); break;
case eCSSUnit_EM: aBuffer.Append("em"); break;
case eCSSUnit_EN: aBuffer.Append("en"); break;
case eCSSUnit_XHeight: aBuffer.Append("ex"); break;
case eCSSUnit_CapHeight: aBuffer.Append("cap"); break;
case eCSSUnit_Pixel: aBuffer.Append("px"); break;
}
aBuffer.Append(' ');
}
void nsCSSValue::ToString(nsString& aBuffer, PRInt32 aPropID) const
{
aBuffer.Truncate();
AppendToString(aBuffer, aPropID);
}

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/* -*- 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 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
#ifndef nsCSSValue_h___
#define nsCSSValue_h___
#include "nslayout.h"
#include "nsColor.h"
#include "nsString.h"
#include "nsCoord.h"
enum nsCSSUnit {
eCSSUnit_Null = 0, // (n/a) null unit, value is not specified
eCSSUnit_Auto = 1, // (n/a) value is algorithmic
eCSSUnit_Inherit = 2, // (n/a) value is inherited
eCSSUnit_None = 3, // (n/a) value is none
eCSSUnit_Normal = 4, // (n/a) value is normal (algorithmic, different than auto)
eCSSUnit_String = 10, // (nsString) a string value
eCSSUnit_Integer = 50, // (int) simple value
eCSSUnit_Enumerated = 51, // (int) value has enumerated meaning
eCSSUnit_Color = 80, // (color) an RGBA value
eCSSUnit_Percent = 90, // (float) 1.0 == 100%) value is percentage of something
eCSSUnit_Number = 91, // (float) value is numeric (usually multiplier, different behavior that percent)
// US English
eCSSUnit_Inch = 100, // (float) Standard length
eCSSUnit_Foot = 101, // (float) 12 inches
eCSSUnit_Mile = 102, // (float) 5280 feet
// Metric
eCSSUnit_Millimeter = 207, // (float) 1/1000 meter
eCSSUnit_Centimeter = 208, // (float) 1/100 meter
eCSSUnit_Meter = 210, // (float) Standard length
eCSSUnit_Kilometer = 213, // (float) 1000 meters
// US Typographic
eCSSUnit_Point = 300, // (float) 1/72 inch
eCSSUnit_Pica = 301, // (float) 12 points == 1/6 inch
// European Typographic
eCSSUnit_Didot = 400, // (float) 15 didots == 16 points
eCSSUnit_Cicero = 401, // (float) 12 didots
// relative units
// Font relative measure
eCSSUnit_EM = 800, // (float) == current font size
eCSSUnit_EN = 801, // (float) .5 em
eCSSUnit_XHeight = 802, // (float) distance from top of lower case x to baseline
eCSSUnit_CapHeight = 803, // (float) distance from top of uppercase case H to baseline
// Screen relative measure
eCSSUnit_Pixel = 900 // (float)
};
class nsCSSValue {
public:
nsCSSValue(nsCSSUnit aUnit = eCSSUnit_Null); // for valueless units only (null, auto, inherit, none, normal)
nsCSSValue(PRInt32 aValue, nsCSSUnit aUnit);
nsCSSValue(float aValue, nsCSSUnit aUnit);
nsCSSValue(const nsString& aValue);
nsCSSValue(nscolor aValue);
nsCSSValue(const nsCSSValue& aCopy);
~nsCSSValue(void);
nsCSSValue& operator=(const nsCSSValue& aCopy);
PRBool operator==(const nsCSSValue& aOther) const;
nsCSSUnit GetUnit(void) const { return mUnit; };
PRBool IsLengthUnit(void) const
{ return PRBool(eCSSUnit_Inch <= mUnit); }
PRBool IsFixedLengthUnit(void) const
{ return PRBool((eCSSUnit_Inch <= mUnit) && (mUnit < eCSSUnit_EM)); }
PRBool IsRelativeLengthUnit(void) const
{ return PRBool(eCSSUnit_EM <= mUnit); }
PRInt32 GetIntValue(void) const;
float GetPercentValue(void) const;
float GetFloatValue(void) const;
nsString& GetStringValue(nsString& aBuffer) const;
nscolor GetColorValue(void) const;
nscoord GetLengthTwips(void) const;
void Reset(void); // sets to null
void SetIntValue(PRInt32 aValue, nsCSSUnit aUnit);
void SetPercentValue(float aValue);
void SetFloatValue(float aValue, nsCSSUnit aUnit);
void SetStringValue(const nsString& aValue);
void SetColorValue(nscolor aValue);
void SetAutoValue(void);
void SetInheritValue(void);
void SetNoneValue(void);
void SetNormalValue(void);
// debugging methods only
void AppendToString(nsString& aBuffer, PRInt32 aPropID = -1) const;
void ToString(nsString& aBuffer, PRInt32 aPropID = -1) const;
protected:
nsCSSUnit mUnit;
union {
PRInt32 mInt;
float mFloat;
nsString* mString;
nscolor mColor;
} mValue;
};
inline PRInt32 nsCSSValue::GetIntValue(void) const
{
NS_ASSERTION((mUnit == eCSSUnit_Integer) ||
(mUnit == eCSSUnit_Enumerated), "not an int value");
if ((mUnit == eCSSUnit_Integer) ||
(mUnit == eCSSUnit_Enumerated)) {
return mValue.mInt;
}
return 0;
}
inline float nsCSSValue::GetPercentValue(void) const
{
NS_ASSERTION((mUnit == eCSSUnit_Percent), "not a percent value");
if ((mUnit == eCSSUnit_Percent)) {
return mValue.mFloat;
}
return 0.0f;
}
inline float nsCSSValue::GetFloatValue(void) const
{
NS_ASSERTION((mUnit >= eCSSUnit_Number), "not a float value");
if ((mUnit >= eCSSUnit_Number)) {
return mValue.mFloat;
}
return 0.0f;
}
inline nsString& nsCSSValue::GetStringValue(nsString& aBuffer) const
{
NS_ASSERTION((mUnit == eCSSUnit_String), "not a string value");
aBuffer.Truncate();
if ((mUnit == eCSSUnit_String) && (nsnull != mValue.mString)) {
aBuffer.Append(*(mValue.mString));
}
return aBuffer;
}
inline nscolor nsCSSValue::GetColorValue(void) const
{
NS_ASSERTION((mUnit == eCSSUnit_Color), "not a color value");
if (mUnit == eCSSUnit_Color) {
return mValue.mColor;
}
return NS_RGB(0,0,0);
}
#endif /* nsCSSValue_h___ */

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/* -*- 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 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
#include "nsCSSValue.h"
#include "nsString.h"
//#include "nsCRT.h"
#include "nsCSSProps.h"
#include "nsCSSPropIDs.h"
#include "nsUnitConversion.h"
//#include "nsStyleConsts.h"
nsCSSValue::nsCSSValue(nsCSSUnit aUnit)
: mUnit(aUnit)
{
NS_ASSERTION(mUnit <= eCSSUnit_Normal, "not a valueless unit");
if (aUnit > eCSSUnit_Normal) {
mUnit = eCSSUnit_Null;
}
mValue.mInt = 0;
}
nsCSSValue::nsCSSValue(PRInt32 aValue, nsCSSUnit aUnit)
: mUnit(aUnit)
{
NS_ASSERTION((eCSSUnit_Integer == aUnit) ||
(eCSSUnit_Enumerated == aUnit), "not an int value");
if ((eCSSUnit_Integer == aUnit) ||
(eCSSUnit_Enumerated == aUnit)) {
mValue.mInt = aValue;
}
else {
mUnit = eCSSUnit_Null;
mValue.mInt = 0;
}
}
nsCSSValue::nsCSSValue(float aValue, nsCSSUnit aUnit)
: mUnit(aUnit)
{
NS_ASSERTION(eCSSUnit_Percent <= aUnit, "not a float value");
if (eCSSUnit_Percent <= aUnit) {
mValue.mFloat = aValue;
}
else {
mUnit = eCSSUnit_Null;
mValue.mInt = 0;
}
}
nsCSSValue::nsCSSValue(const nsString& aValue)
: mUnit(eCSSUnit_String)
{
mValue.mString = aValue.ToNewString();
}
nsCSSValue::nsCSSValue(nscolor aValue)
: mUnit(eCSSUnit_Color)
{
mValue.mColor = aValue;
}
nsCSSValue::nsCSSValue(const nsCSSValue& aCopy)
: mUnit(aCopy.mUnit)
{
if (eCSSUnit_String == mUnit) {
if (nsnull != aCopy.mValue.mString) {
mValue.mString = (aCopy.mValue.mString)->ToNewString();
}
else {
mValue.mString = nsnull;
}
}
else if ((eCSSUnit_Integer <= mUnit) && (mUnit <= eCSSUnit_Enumerated)) {
mValue.mInt = aCopy.mValue.mInt;
}
else if (eCSSUnit_Color == mUnit){
mValue.mColor = aCopy.mValue.mColor;
}
else {
mValue.mFloat = aCopy.mValue.mFloat;
}
}
nsCSSValue::~nsCSSValue(void)
{
Reset();
}
nsCSSValue& nsCSSValue::operator=(const nsCSSValue& aCopy)
{
Reset();
mUnit = aCopy.mUnit;
if (eCSSUnit_String == mUnit) {
if (nsnull != aCopy.mValue.mString) {
mValue.mString = (aCopy.mValue.mString)->ToNewString();
}
}
else if ((eCSSUnit_Integer <= mUnit) && (mUnit <= eCSSUnit_Enumerated)) {
mValue.mInt = aCopy.mValue.mInt;
}
else if (eCSSUnit_Color == mUnit){
mValue.mColor = aCopy.mValue.mColor;
}
else {
mValue.mFloat = aCopy.mValue.mFloat;
}
return *this;
}
PRBool nsCSSValue::operator==(const nsCSSValue& aOther) const
{
if (mUnit == aOther.mUnit) {
if (eCSSUnit_String == mUnit) {
if (nsnull == mValue.mString) {
if (nsnull == aOther.mValue.mString) {
return PR_TRUE;
}
}
else if (nsnull != aOther.mValue.mString) {
return mValue.mString->Equals(*(aOther.mValue.mString));
}
}
else if ((eCSSUnit_Integer <= mUnit) && (mUnit <= eCSSUnit_Enumerated)) {
return PRBool(mValue.mInt == aOther.mValue.mInt);
}
else if (eCSSUnit_Color == mUnit){
return PRBool(mValue.mColor == aOther.mValue.mColor);
}
else {
return PRBool(mValue.mFloat == aOther.mValue.mFloat);
}
}
return PR_FALSE;
}
nscoord nsCSSValue::GetLengthTwips(void) const
{
NS_ASSERTION(IsFixedLengthUnit(), "not a fixed length unit");
if (IsFixedLengthUnit()) {
switch (mUnit) {
case eCSSUnit_Inch:
return NS_INCHES_TO_TWIPS(mValue.mFloat);
case eCSSUnit_Foot:
return NS_FEET_TO_TWIPS(mValue.mFloat);
case eCSSUnit_Mile:
return NS_MILES_TO_TWIPS(mValue.mFloat);
case eCSSUnit_Millimeter:
return NS_MILLIMETERS_TO_TWIPS(mValue.mFloat);
case eCSSUnit_Centimeter:
return NS_CENTIMETERS_TO_TWIPS(mValue.mFloat);
case eCSSUnit_Meter:
return NS_METERS_TO_TWIPS(mValue.mFloat);
case eCSSUnit_Kilometer:
return NS_KILOMETERS_TO_TWIPS(mValue.mFloat);
case eCSSUnit_Point:
return NSFloatPointsToTwips(mValue.mFloat);
case eCSSUnit_Pica:
return NS_PICAS_TO_TWIPS(mValue.mFloat);
case eCSSUnit_Didot:
return NS_DIDOTS_TO_TWIPS(mValue.mFloat);
case eCSSUnit_Cicero:
return NS_CICEROS_TO_TWIPS(mValue.mFloat);
}
}
return 0;
}
void nsCSSValue::Reset(void)
{
if ((eCSSUnit_String == mUnit) && (nsnull != mValue.mString)) {
delete mValue.mString;
}
mUnit = eCSSUnit_Null;
mValue.mInt = 0;
};
void nsCSSValue::SetIntValue(PRInt32 aValue, nsCSSUnit aUnit)
{
NS_ASSERTION((eCSSUnit_Integer == aUnit) ||
(eCSSUnit_Enumerated == aUnit), "not an int value");
Reset();
if ((eCSSUnit_Integer == aUnit) ||
(eCSSUnit_Enumerated == aUnit)) {
mUnit = aUnit;
mValue.mInt = aValue;
}
}
void nsCSSValue::SetPercentValue(float aValue)
{
Reset();
mUnit = eCSSUnit_Percent;
mValue.mFloat = aValue;
}
void nsCSSValue::SetFloatValue(float aValue, nsCSSUnit aUnit)
{
NS_ASSERTION(eCSSUnit_Number <= aUnit, "not a float value");
Reset();
if (eCSSUnit_Number <= aUnit) {
mUnit = aUnit;
mValue.mFloat = aValue;
}
}
void nsCSSValue::SetStringValue(const nsString& aValue)
{
Reset();
mUnit = eCSSUnit_String;
mValue.mString = aValue.ToNewString();
}
void nsCSSValue::SetColorValue(nscolor aValue)
{
Reset();
mUnit = eCSSUnit_Color;
mValue.mColor = aValue;
}
void nsCSSValue::SetAutoValue(void)
{
Reset();
mUnit = eCSSUnit_Auto;
}
void nsCSSValue::SetInheritValue(void)
{
Reset();
mUnit = eCSSUnit_Inherit;
}
void nsCSSValue::SetNoneValue(void)
{
Reset();
mUnit = eCSSUnit_None;
}
void nsCSSValue::SetNormalValue(void)
{
Reset();
mUnit = eCSSUnit_Normal;
}
void nsCSSValue::AppendToString(nsString& aBuffer, PRInt32 aPropID) const
{
if (eCSSUnit_Null == mUnit) {
return;
}
if (-1 < aPropID) {
aBuffer.Append(nsCSSProps::kNameTable[aPropID].name);
aBuffer.Append(": ");
}
if (eCSSUnit_String == mUnit) {
if (nsnull != mValue.mString) {
aBuffer.Append('"');
aBuffer.Append(*(mValue.mString));
aBuffer.Append('"');
}
else {
aBuffer.Append("null str");
}
}
else if ((eCSSUnit_Integer <= mUnit) && (mUnit <= eCSSUnit_Enumerated)) {
aBuffer.Append(mValue.mInt, 10);
aBuffer.Append("[0x");
aBuffer.Append(mValue.mInt, 16);
aBuffer.Append(']');
}
else if (eCSSUnit_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 (eCSSUnit_Percent == mUnit) {
aBuffer.Append(mValue.mFloat * 100.0f);
}
else if (eCSSUnit_Percent < mUnit) {
aBuffer.Append(mValue.mFloat);
}
switch (mUnit) {
case eCSSUnit_Null: break;
case eCSSUnit_Auto: aBuffer.Append("auto"); break;
case eCSSUnit_Inherit: aBuffer.Append("inherit"); break;
case eCSSUnit_None: aBuffer.Append("none"); break;
case eCSSUnit_String: break;
case eCSSUnit_Integer: aBuffer.Append("int"); break;
case eCSSUnit_Enumerated: aBuffer.Append("enum"); break;
case eCSSUnit_Color: aBuffer.Append("rbga"); break;
case eCSSUnit_Percent: aBuffer.Append("%"); break;
case eCSSUnit_Number: aBuffer.Append("#"); break;
case eCSSUnit_Inch: aBuffer.Append("in"); break;
case eCSSUnit_Foot: aBuffer.Append("ft"); break;
case eCSSUnit_Mile: aBuffer.Append("mi"); break;
case eCSSUnit_Millimeter: aBuffer.Append("mm"); break;
case eCSSUnit_Centimeter: aBuffer.Append("cm"); break;
case eCSSUnit_Meter: aBuffer.Append("m"); break;
case eCSSUnit_Kilometer: aBuffer.Append("km"); break;
case eCSSUnit_Point: aBuffer.Append("pt"); break;
case eCSSUnit_Pica: aBuffer.Append("pc"); break;
case eCSSUnit_Didot: aBuffer.Append("dt"); break;
case eCSSUnit_Cicero: aBuffer.Append("cc"); break;
case eCSSUnit_EM: aBuffer.Append("em"); break;
case eCSSUnit_EN: aBuffer.Append("en"); break;
case eCSSUnit_XHeight: aBuffer.Append("ex"); break;
case eCSSUnit_CapHeight: aBuffer.Append("cap"); break;
case eCSSUnit_Pixel: aBuffer.Append("px"); break;
}
aBuffer.Append(' ');
}
void nsCSSValue::ToString(nsString& aBuffer, PRInt32 aPropID) const
{
aBuffer.Truncate();
AppendToString(aBuffer, aPropID);
}

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/* -*- 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 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
#ifndef nsCSSValue_h___
#define nsCSSValue_h___
#include "nslayout.h"
#include "nsColor.h"
#include "nsString.h"
#include "nsCoord.h"
enum nsCSSUnit {
eCSSUnit_Null = 0, // (n/a) null unit, value is not specified
eCSSUnit_Auto = 1, // (n/a) value is algorithmic
eCSSUnit_Inherit = 2, // (n/a) value is inherited
eCSSUnit_None = 3, // (n/a) value is none
eCSSUnit_Normal = 4, // (n/a) value is normal (algorithmic, different than auto)
eCSSUnit_String = 10, // (nsString) a string value
eCSSUnit_Integer = 50, // (int) simple value
eCSSUnit_Enumerated = 51, // (int) value has enumerated meaning
eCSSUnit_Color = 80, // (color) an RGBA value
eCSSUnit_Percent = 90, // (float) 1.0 == 100%) value is percentage of something
eCSSUnit_Number = 91, // (float) value is numeric (usually multiplier, different behavior that percent)
// US English
eCSSUnit_Inch = 100, // (float) Standard length
eCSSUnit_Foot = 101, // (float) 12 inches
eCSSUnit_Mile = 102, // (float) 5280 feet
// Metric
eCSSUnit_Millimeter = 207, // (float) 1/1000 meter
eCSSUnit_Centimeter = 208, // (float) 1/100 meter
eCSSUnit_Meter = 210, // (float) Standard length
eCSSUnit_Kilometer = 213, // (float) 1000 meters
// US Typographic
eCSSUnit_Point = 300, // (float) 1/72 inch
eCSSUnit_Pica = 301, // (float) 12 points == 1/6 inch
// European Typographic
eCSSUnit_Didot = 400, // (float) 15 didots == 16 points
eCSSUnit_Cicero = 401, // (float) 12 didots
// relative units
// Font relative measure
eCSSUnit_EM = 800, // (float) == current font size
eCSSUnit_EN = 801, // (float) .5 em
eCSSUnit_XHeight = 802, // (float) distance from top of lower case x to baseline
eCSSUnit_CapHeight = 803, // (float) distance from top of uppercase case H to baseline
// Screen relative measure
eCSSUnit_Pixel = 900 // (float)
};
class nsCSSValue {
public:
nsCSSValue(nsCSSUnit aUnit = eCSSUnit_Null); // for valueless units only (null, auto, inherit, none, normal)
nsCSSValue(PRInt32 aValue, nsCSSUnit aUnit);
nsCSSValue(float aValue, nsCSSUnit aUnit);
nsCSSValue(const nsString& aValue);
nsCSSValue(nscolor aValue);
nsCSSValue(const nsCSSValue& aCopy);
~nsCSSValue(void);
nsCSSValue& operator=(const nsCSSValue& aCopy);
PRBool operator==(const nsCSSValue& aOther) const;
nsCSSUnit GetUnit(void) const { return mUnit; };
PRBool IsLengthUnit(void) const
{ return PRBool(eCSSUnit_Inch <= mUnit); }
PRBool IsFixedLengthUnit(void) const
{ return PRBool((eCSSUnit_Inch <= mUnit) && (mUnit < eCSSUnit_EM)); }
PRBool IsRelativeLengthUnit(void) const
{ return PRBool(eCSSUnit_EM <= mUnit); }
PRInt32 GetIntValue(void) const;
float GetPercentValue(void) const;
float GetFloatValue(void) const;
nsString& GetStringValue(nsString& aBuffer) const;
nscolor GetColorValue(void) const;
nscoord GetLengthTwips(void) const;
void Reset(void); // sets to null
void SetIntValue(PRInt32 aValue, nsCSSUnit aUnit);
void SetPercentValue(float aValue);
void SetFloatValue(float aValue, nsCSSUnit aUnit);
void SetStringValue(const nsString& aValue);
void SetColorValue(nscolor aValue);
void SetAutoValue(void);
void SetInheritValue(void);
void SetNoneValue(void);
void SetNormalValue(void);
// debugging methods only
void AppendToString(nsString& aBuffer, PRInt32 aPropID = -1) const;
void ToString(nsString& aBuffer, PRInt32 aPropID = -1) const;
protected:
nsCSSUnit mUnit;
union {
PRInt32 mInt;
float mFloat;
nsString* mString;
nscolor mColor;
} mValue;
};
inline PRInt32 nsCSSValue::GetIntValue(void) const
{
NS_ASSERTION((mUnit == eCSSUnit_Integer) ||
(mUnit == eCSSUnit_Enumerated), "not an int value");
if ((mUnit == eCSSUnit_Integer) ||
(mUnit == eCSSUnit_Enumerated)) {
return mValue.mInt;
}
return 0;
}
inline float nsCSSValue::GetPercentValue(void) const
{
NS_ASSERTION((mUnit == eCSSUnit_Percent), "not a percent value");
if ((mUnit == eCSSUnit_Percent)) {
return mValue.mFloat;
}
return 0.0f;
}
inline float nsCSSValue::GetFloatValue(void) const
{
NS_ASSERTION((mUnit >= eCSSUnit_Number), "not a float value");
if ((mUnit >= eCSSUnit_Number)) {
return mValue.mFloat;
}
return 0.0f;
}
inline nsString& nsCSSValue::GetStringValue(nsString& aBuffer) const
{
NS_ASSERTION((mUnit == eCSSUnit_String), "not a string value");
aBuffer.Truncate();
if ((mUnit == eCSSUnit_String) && (nsnull != mValue.mString)) {
aBuffer.Append(*(mValue.mString));
}
return aBuffer;
}
inline nscolor nsCSSValue::GetColorValue(void) const
{
NS_ASSERTION((mUnit == eCSSUnit_Color), "not a color value");
if (mUnit == eCSSUnit_Color) {
return mValue.mColor;
}
return NS_RGB(0,0,0);
}
#endif /* nsCSSValue_h___ */

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/* -*- 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 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
#include "nsCSSValue.h"
#include "nsString.h"
//#include "nsCRT.h"
#include "nsCSSProps.h"
#include "nsCSSPropIDs.h"
#include "nsUnitConversion.h"
//#include "nsStyleConsts.h"
nsCSSValue::nsCSSValue(nsCSSUnit aUnit)
: mUnit(aUnit)
{
NS_ASSERTION(mUnit <= eCSSUnit_Normal, "not a valueless unit");
if (aUnit > eCSSUnit_Normal) {
mUnit = eCSSUnit_Null;
}
mValue.mInt = 0;
}
nsCSSValue::nsCSSValue(PRInt32 aValue, nsCSSUnit aUnit)
: mUnit(aUnit)
{
NS_ASSERTION((eCSSUnit_Integer == aUnit) ||
(eCSSUnit_Enumerated == aUnit), "not an int value");
if ((eCSSUnit_Integer == aUnit) ||
(eCSSUnit_Enumerated == aUnit)) {
mValue.mInt = aValue;
}
else {
mUnit = eCSSUnit_Null;
mValue.mInt = 0;
}
}
nsCSSValue::nsCSSValue(float aValue, nsCSSUnit aUnit)
: mUnit(aUnit)
{
NS_ASSERTION(eCSSUnit_Percent <= aUnit, "not a float value");
if (eCSSUnit_Percent <= aUnit) {
mValue.mFloat = aValue;
}
else {
mUnit = eCSSUnit_Null;
mValue.mInt = 0;
}
}
nsCSSValue::nsCSSValue(const nsString& aValue)
: mUnit(eCSSUnit_String)
{
mValue.mString = aValue.ToNewString();
}
nsCSSValue::nsCSSValue(nscolor aValue)
: mUnit(eCSSUnit_Color)
{
mValue.mColor = aValue;
}
nsCSSValue::nsCSSValue(const nsCSSValue& aCopy)
: mUnit(aCopy.mUnit)
{
if (eCSSUnit_String == mUnit) {
if (nsnull != aCopy.mValue.mString) {
mValue.mString = (aCopy.mValue.mString)->ToNewString();
}
else {
mValue.mString = nsnull;
}
}
else if ((eCSSUnit_Integer <= mUnit) && (mUnit <= eCSSUnit_Enumerated)) {
mValue.mInt = aCopy.mValue.mInt;
}
else if (eCSSUnit_Color == mUnit){
mValue.mColor = aCopy.mValue.mColor;
}
else {
mValue.mFloat = aCopy.mValue.mFloat;
}
}
nsCSSValue::~nsCSSValue(void)
{
Reset();
}
nsCSSValue& nsCSSValue::operator=(const nsCSSValue& aCopy)
{
Reset();
mUnit = aCopy.mUnit;
if (eCSSUnit_String == mUnit) {
if (nsnull != aCopy.mValue.mString) {
mValue.mString = (aCopy.mValue.mString)->ToNewString();
}
}
else if ((eCSSUnit_Integer <= mUnit) && (mUnit <= eCSSUnit_Enumerated)) {
mValue.mInt = aCopy.mValue.mInt;
}
else if (eCSSUnit_Color == mUnit){
mValue.mColor = aCopy.mValue.mColor;
}
else {
mValue.mFloat = aCopy.mValue.mFloat;
}
return *this;
}
PRBool nsCSSValue::operator==(const nsCSSValue& aOther) const
{
if (mUnit == aOther.mUnit) {
if (eCSSUnit_String == mUnit) {
if (nsnull == mValue.mString) {
if (nsnull == aOther.mValue.mString) {
return PR_TRUE;
}
}
else if (nsnull != aOther.mValue.mString) {
return mValue.mString->Equals(*(aOther.mValue.mString));
}
}
else if ((eCSSUnit_Integer <= mUnit) && (mUnit <= eCSSUnit_Enumerated)) {
return PRBool(mValue.mInt == aOther.mValue.mInt);
}
else if (eCSSUnit_Color == mUnit){
return PRBool(mValue.mColor == aOther.mValue.mColor);
}
else {
return PRBool(mValue.mFloat == aOther.mValue.mFloat);
}
}
return PR_FALSE;
}
nscoord nsCSSValue::GetLengthTwips(void) const
{
NS_ASSERTION(IsFixedLengthUnit(), "not a fixed length unit");
if (IsFixedLengthUnit()) {
switch (mUnit) {
case eCSSUnit_Inch:
return NS_INCHES_TO_TWIPS(mValue.mFloat);
case eCSSUnit_Foot:
return NS_FEET_TO_TWIPS(mValue.mFloat);
case eCSSUnit_Mile:
return NS_MILES_TO_TWIPS(mValue.mFloat);
case eCSSUnit_Millimeter:
return NS_MILLIMETERS_TO_TWIPS(mValue.mFloat);
case eCSSUnit_Centimeter:
return NS_CENTIMETERS_TO_TWIPS(mValue.mFloat);
case eCSSUnit_Meter:
return NS_METERS_TO_TWIPS(mValue.mFloat);
case eCSSUnit_Kilometer:
return NS_KILOMETERS_TO_TWIPS(mValue.mFloat);
case eCSSUnit_Point:
return NSFloatPointsToTwips(mValue.mFloat);
case eCSSUnit_Pica:
return NS_PICAS_TO_TWIPS(mValue.mFloat);
case eCSSUnit_Didot:
return NS_DIDOTS_TO_TWIPS(mValue.mFloat);
case eCSSUnit_Cicero:
return NS_CICEROS_TO_TWIPS(mValue.mFloat);
}
}
return 0;
}
void nsCSSValue::Reset(void)
{
if ((eCSSUnit_String == mUnit) && (nsnull != mValue.mString)) {
delete mValue.mString;
}
mUnit = eCSSUnit_Null;
mValue.mInt = 0;
};
void nsCSSValue::SetIntValue(PRInt32 aValue, nsCSSUnit aUnit)
{
NS_ASSERTION((eCSSUnit_Integer == aUnit) ||
(eCSSUnit_Enumerated == aUnit), "not an int value");
Reset();
if ((eCSSUnit_Integer == aUnit) ||
(eCSSUnit_Enumerated == aUnit)) {
mUnit = aUnit;
mValue.mInt = aValue;
}
}
void nsCSSValue::SetPercentValue(float aValue)
{
Reset();
mUnit = eCSSUnit_Percent;
mValue.mFloat = aValue;
}
void nsCSSValue::SetFloatValue(float aValue, nsCSSUnit aUnit)
{
NS_ASSERTION(eCSSUnit_Number <= aUnit, "not a float value");
Reset();
if (eCSSUnit_Number <= aUnit) {
mUnit = aUnit;
mValue.mFloat = aValue;
}
}
void nsCSSValue::SetStringValue(const nsString& aValue)
{
Reset();
mUnit = eCSSUnit_String;
mValue.mString = aValue.ToNewString();
}
void nsCSSValue::SetColorValue(nscolor aValue)
{
Reset();
mUnit = eCSSUnit_Color;
mValue.mColor = aValue;
}
void nsCSSValue::SetAutoValue(void)
{
Reset();
mUnit = eCSSUnit_Auto;
}
void nsCSSValue::SetInheritValue(void)
{
Reset();
mUnit = eCSSUnit_Inherit;
}
void nsCSSValue::SetNoneValue(void)
{
Reset();
mUnit = eCSSUnit_None;
}
void nsCSSValue::SetNormalValue(void)
{
Reset();
mUnit = eCSSUnit_Normal;
}
void nsCSSValue::AppendToString(nsString& aBuffer, PRInt32 aPropID) const
{
if (eCSSUnit_Null == mUnit) {
return;
}
if (-1 < aPropID) {
aBuffer.Append(nsCSSProps::kNameTable[aPropID].name);
aBuffer.Append(": ");
}
if (eCSSUnit_String == mUnit) {
if (nsnull != mValue.mString) {
aBuffer.Append('"');
aBuffer.Append(*(mValue.mString));
aBuffer.Append('"');
}
else {
aBuffer.Append("null str");
}
}
else if ((eCSSUnit_Integer <= mUnit) && (mUnit <= eCSSUnit_Enumerated)) {
aBuffer.Append(mValue.mInt, 10);
aBuffer.Append("[0x");
aBuffer.Append(mValue.mInt, 16);
aBuffer.Append(']');
}
else if (eCSSUnit_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 (eCSSUnit_Percent == mUnit) {
aBuffer.Append(mValue.mFloat * 100.0f);
}
else if (eCSSUnit_Percent < mUnit) {
aBuffer.Append(mValue.mFloat);
}
switch (mUnit) {
case eCSSUnit_Null: break;
case eCSSUnit_Auto: aBuffer.Append("auto"); break;
case eCSSUnit_Inherit: aBuffer.Append("inherit"); break;
case eCSSUnit_None: aBuffer.Append("none"); break;
case eCSSUnit_String: break;
case eCSSUnit_Integer: aBuffer.Append("int"); break;
case eCSSUnit_Enumerated: aBuffer.Append("enum"); break;
case eCSSUnit_Color: aBuffer.Append("rbga"); break;
case eCSSUnit_Percent: aBuffer.Append("%"); break;
case eCSSUnit_Number: aBuffer.Append("#"); break;
case eCSSUnit_Inch: aBuffer.Append("in"); break;
case eCSSUnit_Foot: aBuffer.Append("ft"); break;
case eCSSUnit_Mile: aBuffer.Append("mi"); break;
case eCSSUnit_Millimeter: aBuffer.Append("mm"); break;
case eCSSUnit_Centimeter: aBuffer.Append("cm"); break;
case eCSSUnit_Meter: aBuffer.Append("m"); break;
case eCSSUnit_Kilometer: aBuffer.Append("km"); break;
case eCSSUnit_Point: aBuffer.Append("pt"); break;
case eCSSUnit_Pica: aBuffer.Append("pc"); break;
case eCSSUnit_Didot: aBuffer.Append("dt"); break;
case eCSSUnit_Cicero: aBuffer.Append("cc"); break;
case eCSSUnit_EM: aBuffer.Append("em"); break;
case eCSSUnit_EN: aBuffer.Append("en"); break;
case eCSSUnit_XHeight: aBuffer.Append("ex"); break;
case eCSSUnit_CapHeight: aBuffer.Append("cap"); break;
case eCSSUnit_Pixel: aBuffer.Append("px"); break;
}
aBuffer.Append(' ');
}
void nsCSSValue::ToString(nsString& aBuffer, PRInt32 aPropID) const
{
aBuffer.Truncate();
AppendToString(aBuffer, aPropID);
}

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/* -*- 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 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
#ifndef nsCSSValue_h___
#define nsCSSValue_h___
#include "nslayout.h"
#include "nsColor.h"
#include "nsString.h"
#include "nsCoord.h"
enum nsCSSUnit {
eCSSUnit_Null = 0, // (n/a) null unit, value is not specified
eCSSUnit_Auto = 1, // (n/a) value is algorithmic
eCSSUnit_Inherit = 2, // (n/a) value is inherited
eCSSUnit_None = 3, // (n/a) value is none
eCSSUnit_Normal = 4, // (n/a) value is normal (algorithmic, different than auto)
eCSSUnit_String = 10, // (nsString) a string value
eCSSUnit_Integer = 50, // (int) simple value
eCSSUnit_Enumerated = 51, // (int) value has enumerated meaning
eCSSUnit_Color = 80, // (color) an RGBA value
eCSSUnit_Percent = 90, // (float) 1.0 == 100%) value is percentage of something
eCSSUnit_Number = 91, // (float) value is numeric (usually multiplier, different behavior that percent)
// US English
eCSSUnit_Inch = 100, // (float) Standard length
eCSSUnit_Foot = 101, // (float) 12 inches
eCSSUnit_Mile = 102, // (float) 5280 feet
// Metric
eCSSUnit_Millimeter = 207, // (float) 1/1000 meter
eCSSUnit_Centimeter = 208, // (float) 1/100 meter
eCSSUnit_Meter = 210, // (float) Standard length
eCSSUnit_Kilometer = 213, // (float) 1000 meters
// US Typographic
eCSSUnit_Point = 300, // (float) 1/72 inch
eCSSUnit_Pica = 301, // (float) 12 points == 1/6 inch
// European Typographic
eCSSUnit_Didot = 400, // (float) 15 didots == 16 points
eCSSUnit_Cicero = 401, // (float) 12 didots
// relative units
// Font relative measure
eCSSUnit_EM = 800, // (float) == current font size
eCSSUnit_EN = 801, // (float) .5 em
eCSSUnit_XHeight = 802, // (float) distance from top of lower case x to baseline
eCSSUnit_CapHeight = 803, // (float) distance from top of uppercase case H to baseline
// Screen relative measure
eCSSUnit_Pixel = 900 // (float)
};
class nsCSSValue {
public:
nsCSSValue(nsCSSUnit aUnit = eCSSUnit_Null); // for valueless units only (null, auto, inherit, none, normal)
nsCSSValue(PRInt32 aValue, nsCSSUnit aUnit);
nsCSSValue(float aValue, nsCSSUnit aUnit);
nsCSSValue(const nsString& aValue);
nsCSSValue(nscolor aValue);
nsCSSValue(const nsCSSValue& aCopy);
~nsCSSValue(void);
nsCSSValue& operator=(const nsCSSValue& aCopy);
PRBool operator==(const nsCSSValue& aOther) const;
nsCSSUnit GetUnit(void) const { return mUnit; };
PRBool IsLengthUnit(void) const
{ return PRBool(eCSSUnit_Inch <= mUnit); }
PRBool IsFixedLengthUnit(void) const
{ return PRBool((eCSSUnit_Inch <= mUnit) && (mUnit < eCSSUnit_EM)); }
PRBool IsRelativeLengthUnit(void) const
{ return PRBool(eCSSUnit_EM <= mUnit); }
PRInt32 GetIntValue(void) const;
float GetPercentValue(void) const;
float GetFloatValue(void) const;
nsString& GetStringValue(nsString& aBuffer) const;
nscolor GetColorValue(void) const;
nscoord GetLengthTwips(void) const;
void Reset(void); // sets to null
void SetIntValue(PRInt32 aValue, nsCSSUnit aUnit);
void SetPercentValue(float aValue);
void SetFloatValue(float aValue, nsCSSUnit aUnit);
void SetStringValue(const nsString& aValue);
void SetColorValue(nscolor aValue);
void SetAutoValue(void);
void SetInheritValue(void);
void SetNoneValue(void);
void SetNormalValue(void);
// debugging methods only
void AppendToString(nsString& aBuffer, PRInt32 aPropID = -1) const;
void ToString(nsString& aBuffer, PRInt32 aPropID = -1) const;
protected:
nsCSSUnit mUnit;
union {
PRInt32 mInt;
float mFloat;
nsString* mString;
nscolor mColor;
} mValue;
};
inline PRInt32 nsCSSValue::GetIntValue(void) const
{
NS_ASSERTION((mUnit == eCSSUnit_Integer) ||
(mUnit == eCSSUnit_Enumerated), "not an int value");
if ((mUnit == eCSSUnit_Integer) ||
(mUnit == eCSSUnit_Enumerated)) {
return mValue.mInt;
}
return 0;
}
inline float nsCSSValue::GetPercentValue(void) const
{
NS_ASSERTION((mUnit == eCSSUnit_Percent), "not a percent value");
if ((mUnit == eCSSUnit_Percent)) {
return mValue.mFloat;
}
return 0.0f;
}
inline float nsCSSValue::GetFloatValue(void) const
{
NS_ASSERTION((mUnit >= eCSSUnit_Number), "not a float value");
if ((mUnit >= eCSSUnit_Number)) {
return mValue.mFloat;
}
return 0.0f;
}
inline nsString& nsCSSValue::GetStringValue(nsString& aBuffer) const
{
NS_ASSERTION((mUnit == eCSSUnit_String), "not a string value");
aBuffer.Truncate();
if ((mUnit == eCSSUnit_String) && (nsnull != mValue.mString)) {
aBuffer.Append(*(mValue.mString));
}
return aBuffer;
}
inline nscolor nsCSSValue::GetColorValue(void) const
{
NS_ASSERTION((mUnit == eCSSUnit_Color), "not a color value");
if (mUnit == eCSSUnit_Color) {
return mValue.mColor;
}
return NS_RGB(0,0,0);
}
#endif /* nsCSSValue_h___ */