mirror of
https://github.com/mozilla/gecko-dev.git
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381 lines
12 KiB
C++
381 lines
12 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
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*/
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#include "nsCSSValue.h"
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#include "nsString.h"
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#include "nsCSSProps.h"
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#include "nsUnitConversion.h"
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//#include "nsStyleConsts.h"
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nsCSSValue::nsCSSValue(nsCSSUnit aUnit)
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: mUnit(aUnit)
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{
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NS_ASSERTION(aUnit <= eCSSUnit_Normal, "not a valueless unit");
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if (aUnit > eCSSUnit_Normal) {
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mUnit = eCSSUnit_Null;
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}
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mValue.mInt = 0;
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}
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nsCSSValue::nsCSSValue(PRInt32 aValue, nsCSSUnit aUnit)
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: mUnit(aUnit)
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{
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NS_ASSERTION((eCSSUnit_Integer == aUnit) ||
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(eCSSUnit_Enumerated == aUnit), "not an int value");
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if ((eCSSUnit_Integer == aUnit) ||
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(eCSSUnit_Enumerated == aUnit)) {
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mValue.mInt = aValue;
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}
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else {
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mUnit = eCSSUnit_Null;
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mValue.mInt = 0;
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}
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}
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nsCSSValue::nsCSSValue(float aValue, nsCSSUnit aUnit)
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: mUnit(aUnit)
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{
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NS_ASSERTION(eCSSUnit_Percent <= aUnit, "not a float value");
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if (eCSSUnit_Percent <= aUnit) {
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mValue.mFloat = aValue;
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}
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else {
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mUnit = eCSSUnit_Null;
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mValue.mInt = 0;
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}
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}
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nsCSSValue::nsCSSValue(const nsString& aValue, nsCSSUnit aUnit)
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: mUnit(aUnit)
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{
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NS_ASSERTION((eCSSUnit_String <= aUnit) && (aUnit <= eCSSUnit_Counters), "not a string value");
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if ((eCSSUnit_String <= aUnit) && (aUnit <= eCSSUnit_Counters)) {
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mValue.mString = aValue.ToNewString();
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}
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else {
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mUnit = eCSSUnit_Null;
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mValue.mInt = 0;
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}
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}
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nsCSSValue::nsCSSValue(nscolor aValue)
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: mUnit(eCSSUnit_Color)
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{
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mValue.mColor = aValue;
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}
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nsCSSValue::nsCSSValue(const nsCSSValue& aCopy)
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: mUnit(aCopy.mUnit)
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{
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if ((eCSSUnit_String <= mUnit) && (mUnit <= eCSSUnit_Counters)) {
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if (nsnull != aCopy.mValue.mString) {
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mValue.mString = (aCopy.mValue.mString)->ToNewString();
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}
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else {
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mValue.mString = nsnull;
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}
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}
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else if ((eCSSUnit_Integer <= mUnit) && (mUnit <= eCSSUnit_Enumerated)) {
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mValue.mInt = aCopy.mValue.mInt;
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}
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else if (eCSSUnit_Color == mUnit){
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mValue.mColor = aCopy.mValue.mColor;
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}
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else {
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mValue.mFloat = aCopy.mValue.mFloat;
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}
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}
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nsCSSValue::~nsCSSValue(void)
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{
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Reset();
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}
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nsCSSValue& nsCSSValue::operator=(const nsCSSValue& aCopy)
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{
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Reset();
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mUnit = aCopy.mUnit;
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if ((eCSSUnit_String <= mUnit) && (mUnit <= eCSSUnit_Counters)) {
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if (nsnull != aCopy.mValue.mString) {
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mValue.mString = (aCopy.mValue.mString)->ToNewString();
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}
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}
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else if ((eCSSUnit_Integer <= mUnit) && (mUnit <= eCSSUnit_Enumerated)) {
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mValue.mInt = aCopy.mValue.mInt;
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}
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else if (eCSSUnit_Color == mUnit){
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mValue.mColor = aCopy.mValue.mColor;
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}
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else {
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mValue.mFloat = aCopy.mValue.mFloat;
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}
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return *this;
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}
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PRBool nsCSSValue::operator==(const nsCSSValue& aOther) const
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{
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if (mUnit == aOther.mUnit) {
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if ((eCSSUnit_String <= mUnit) && (mUnit <= eCSSUnit_Counters)) {
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if (nsnull == mValue.mString) {
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if (nsnull == aOther.mValue.mString) {
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return PR_TRUE;
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}
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}
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else if (nsnull != aOther.mValue.mString) {
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return mValue.mString->Equals(*(aOther.mValue.mString));
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}
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}
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else if ((eCSSUnit_Integer <= mUnit) && (mUnit <= eCSSUnit_Enumerated)) {
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return PRBool(mValue.mInt == aOther.mValue.mInt);
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}
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else if (eCSSUnit_Color == mUnit){
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return PRBool(mValue.mColor == aOther.mValue.mColor);
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}
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else {
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return PRBool(mValue.mFloat == aOther.mValue.mFloat);
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}
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}
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return PR_FALSE;
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}
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nscoord nsCSSValue::GetLengthTwips(void) const
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{
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NS_ASSERTION(IsFixedLengthUnit(), "not a fixed length unit");
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if (IsFixedLengthUnit()) {
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switch (mUnit) {
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case eCSSUnit_Inch:
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return NS_INCHES_TO_TWIPS(mValue.mFloat);
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case eCSSUnit_Foot:
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return NS_FEET_TO_TWIPS(mValue.mFloat);
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case eCSSUnit_Mile:
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return NS_MILES_TO_TWIPS(mValue.mFloat);
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case eCSSUnit_Millimeter:
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return NS_MILLIMETERS_TO_TWIPS(mValue.mFloat);
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case eCSSUnit_Centimeter:
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return NS_CENTIMETERS_TO_TWIPS(mValue.mFloat);
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case eCSSUnit_Meter:
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return NS_METERS_TO_TWIPS(mValue.mFloat);
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case eCSSUnit_Kilometer:
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return NS_KILOMETERS_TO_TWIPS(mValue.mFloat);
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case eCSSUnit_Point:
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return NSFloatPointsToTwips(mValue.mFloat);
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case eCSSUnit_Pica:
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return NS_PICAS_TO_TWIPS(mValue.mFloat);
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case eCSSUnit_Didot:
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return NS_DIDOTS_TO_TWIPS(mValue.mFloat);
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case eCSSUnit_Cicero:
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return NS_CICEROS_TO_TWIPS(mValue.mFloat);
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default:
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NS_ERROR("should never get here");
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break;
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}
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}
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return 0;
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}
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void nsCSSValue::Reset(void)
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{
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if ((eCSSUnit_String <= mUnit) && (mUnit <= eCSSUnit_Counters) &&
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(nsnull != mValue.mString)) {
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delete mValue.mString;
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}
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mUnit = eCSSUnit_Null;
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mValue.mInt = 0;
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};
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void nsCSSValue::SetIntValue(PRInt32 aValue, nsCSSUnit aUnit)
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{
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NS_ASSERTION((eCSSUnit_Integer == aUnit) ||
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(eCSSUnit_Enumerated == aUnit), "not an int value");
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Reset();
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if ((eCSSUnit_Integer == aUnit) ||
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(eCSSUnit_Enumerated == aUnit)) {
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mUnit = aUnit;
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mValue.mInt = aValue;
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}
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}
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void nsCSSValue::SetPercentValue(float aValue)
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{
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Reset();
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mUnit = eCSSUnit_Percent;
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mValue.mFloat = aValue;
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}
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void nsCSSValue::SetFloatValue(float aValue, nsCSSUnit aUnit)
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{
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NS_ASSERTION(eCSSUnit_Number <= aUnit, "not a float value");
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Reset();
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if (eCSSUnit_Number <= aUnit) {
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mUnit = aUnit;
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mValue.mFloat = aValue;
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}
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}
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void nsCSSValue::SetStringValue(const nsString& aValue, nsCSSUnit aUnit)
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{
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NS_ASSERTION((eCSSUnit_String <= aUnit) && (aUnit <= eCSSUnit_Counters), "not a string unit");
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Reset();
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if ((eCSSUnit_String <= aUnit) && (aUnit <= eCSSUnit_Counters)) {
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mUnit = aUnit;
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mValue.mString = aValue.ToNewString();
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}
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}
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void nsCSSValue::SetColorValue(nscolor aValue)
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{
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Reset();
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mUnit = eCSSUnit_Color;
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mValue.mColor = aValue;
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}
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void nsCSSValue::SetAutoValue(void)
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{
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Reset();
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mUnit = eCSSUnit_Auto;
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}
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void nsCSSValue::SetInheritValue(void)
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{
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Reset();
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mUnit = eCSSUnit_Inherit;
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}
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void nsCSSValue::SetNoneValue(void)
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{
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Reset();
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mUnit = eCSSUnit_None;
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}
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void nsCSSValue::SetNormalValue(void)
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{
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Reset();
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mUnit = eCSSUnit_Normal;
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}
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void nsCSSValue::AppendToString(nsString& aBuffer, nsCSSProperty aPropID) const
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{
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if (eCSSUnit_Null == mUnit) {
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return;
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}
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if (-1 < aPropID) {
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aBuffer.AppendWithConversion(nsCSSProps::GetStringValue(aPropID));
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aBuffer.AppendWithConversion(": ");
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}
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if ((eCSSUnit_String <= mUnit) && (mUnit <= eCSSUnit_Counters)) {
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switch (mUnit) {
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case eCSSUnit_URL: aBuffer.AppendWithConversion("url("); break;
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case eCSSUnit_Attr: aBuffer.AppendWithConversion("attr("); break;
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case eCSSUnit_Counter: aBuffer.AppendWithConversion("counter("); break;
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case eCSSUnit_Counters: aBuffer.AppendWithConversion("counters("); break;
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default: break;
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}
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if (nsnull != mValue.mString) {
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aBuffer.AppendWithConversion('"');
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aBuffer.Append(*(mValue.mString));
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aBuffer.AppendWithConversion('"');
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}
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else {
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aBuffer.AppendWithConversion("null str");
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}
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}
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else if ((eCSSUnit_Integer <= mUnit) && (mUnit <= eCSSUnit_Enumerated)) {
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aBuffer.AppendInt(mValue.mInt, 10);
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aBuffer.AppendWithConversion("[0x");
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aBuffer.AppendInt(mValue.mInt, 16);
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aBuffer.AppendWithConversion(']');
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}
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else if (eCSSUnit_Color == mUnit){
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aBuffer.AppendWithConversion("(0x");
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aBuffer.AppendInt(NS_GET_R(mValue.mColor), 16);
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aBuffer.AppendWithConversion(" 0x");
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aBuffer.AppendInt(NS_GET_G(mValue.mColor), 16);
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aBuffer.AppendWithConversion(" 0x");
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aBuffer.AppendInt(NS_GET_B(mValue.mColor), 16);
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aBuffer.AppendWithConversion(" 0x");
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aBuffer.AppendInt(NS_GET_A(mValue.mColor), 16);
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aBuffer.AppendWithConversion(')');
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}
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else if (eCSSUnit_Percent == mUnit) {
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aBuffer.AppendFloat(mValue.mFloat * 100.0f);
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}
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else if (eCSSUnit_Percent < mUnit) {
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aBuffer.AppendFloat(mValue.mFloat);
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}
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switch (mUnit) {
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case eCSSUnit_Null: break;
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case eCSSUnit_Auto: aBuffer.AppendWithConversion("auto"); break;
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case eCSSUnit_Inherit: aBuffer.AppendWithConversion("inherit"); break;
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case eCSSUnit_None: aBuffer.AppendWithConversion("none"); break;
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case eCSSUnit_Normal: aBuffer.AppendWithConversion("normal"); break;
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case eCSSUnit_String: break;
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case eCSSUnit_URL:
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case eCSSUnit_Attr:
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case eCSSUnit_Counter:
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case eCSSUnit_Counters: aBuffer.AppendWithConversion(')'); break;
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case eCSSUnit_Integer: aBuffer.AppendWithConversion("int"); break;
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case eCSSUnit_Enumerated: aBuffer.AppendWithConversion("enum"); break;
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case eCSSUnit_Color: aBuffer.AppendWithConversion("rbga"); break;
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case eCSSUnit_Percent: aBuffer.AppendWithConversion("%"); break;
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case eCSSUnit_Number: aBuffer.AppendWithConversion("#"); break;
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case eCSSUnit_Inch: aBuffer.AppendWithConversion("in"); break;
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case eCSSUnit_Foot: aBuffer.AppendWithConversion("ft"); break;
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case eCSSUnit_Mile: aBuffer.AppendWithConversion("mi"); break;
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case eCSSUnit_Millimeter: aBuffer.AppendWithConversion("mm"); break;
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case eCSSUnit_Centimeter: aBuffer.AppendWithConversion("cm"); break;
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case eCSSUnit_Meter: aBuffer.AppendWithConversion("m"); break;
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case eCSSUnit_Kilometer: aBuffer.AppendWithConversion("km"); break;
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case eCSSUnit_Point: aBuffer.AppendWithConversion("pt"); break;
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case eCSSUnit_Pica: aBuffer.AppendWithConversion("pc"); break;
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case eCSSUnit_Didot: aBuffer.AppendWithConversion("dt"); break;
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case eCSSUnit_Cicero: aBuffer.AppendWithConversion("cc"); break;
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case eCSSUnit_EM: aBuffer.AppendWithConversion("em"); break;
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case eCSSUnit_EN: aBuffer.AppendWithConversion("en"); break;
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case eCSSUnit_XHeight: aBuffer.AppendWithConversion("ex"); break;
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case eCSSUnit_CapHeight: aBuffer.AppendWithConversion("cap"); break;
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case eCSSUnit_Char: aBuffer.AppendWithConversion("ch"); break;
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case eCSSUnit_Pixel: aBuffer.AppendWithConversion("px"); break;
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case eCSSUnit_Degree: aBuffer.AppendWithConversion("deg"); break;
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case eCSSUnit_Grad: aBuffer.AppendWithConversion("grad"); break;
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case eCSSUnit_Radian: aBuffer.AppendWithConversion("rad"); break;
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case eCSSUnit_Hertz: aBuffer.AppendWithConversion("Hz"); break;
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case eCSSUnit_Kilohertz: aBuffer.AppendWithConversion("kHz"); break;
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case eCSSUnit_Seconds: aBuffer.AppendWithConversion("s"); break;
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case eCSSUnit_Milliseconds: aBuffer.AppendWithConversion("ms"); break;
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}
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aBuffer.AppendWithConversion(' ');
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}
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void nsCSSValue::ToString(nsString& aBuffer, nsCSSProperty aPropID) const
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{
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aBuffer.Truncate();
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AppendToString(aBuffer, aPropID);
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}
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