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pjs/layout/style/nsCSSDeclaration.cpp

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48 KiB
C++
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/* -*- 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):
* Daniel Glazman <glazman@netscape.com>
*
*
* 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 "nscore.h"
#include "nsCSSDeclaration.h"
#include "nsString.h"
#include "nsIAtom.h"
#include "nsUnicharUtils.h"
#include "nsCRT.h"
#include "nsCSSProps.h"
#include "nsUnitConversion.h"
#include "nsVoidArray.h"
#include "nsFont.h"
#include "nsReadableUtils.h"
#include "nsStyleConsts.h"
#include "nsCOMPtr.h"
#include "nsIStyleSet.h"
#define B_BORDER_TOP_STYLE 0x001
#define B_BORDER_LEFT_STYLE 0x002
#define B_BORDER_RIGHT_STYLE 0x004
#define B_BORDER_BOTTOM_STYLE 0x008
#define B_BORDER_TOP_COLOR 0x010
#define B_BORDER_LEFT_COLOR 0x020
#define B_BORDER_RIGHT_COLOR 0x040
#define B_BORDER_BOTTOM_COLOR 0x080
#define B_BORDER_TOP_WIDTH 0x100
#define B_BORDER_LEFT_WIDTH 0x200
#define B_BORDER_RIGHT_WIDTH 0x400
#define B_BORDER_BOTTOM_WIDTH 0x800
#define B_BORDER_STYLE 0x00f
#define B_BORDER_COLOR 0x0f0
#define B_BORDER_WIDTH 0xf00
#define B_BORDER_TOP 0x111
#define B_BORDER_LEFT 0x222
#define B_BORDER_RIGHT 0x444
#define B_BORDER_BOTTOM 0x888
#define B_BORDER 0xfff
MOZ_DECL_CTOR_COUNTER(nsCSSDeclaration)
nsCSSDeclaration::nsCSSDeclaration()
: mOrder(eCSSProperty_COUNT_no_shorthands, 8),
mData(nsnull),
mImportantData(nsnull)
{
MOZ_COUNT_CTOR(nsCSSDeclaration);
}
nsCSSDeclaration::nsCSSDeclaration(const nsCSSDeclaration& aCopy)
: mOrder(eCSSProperty_COUNT_no_shorthands, aCopy.mOrder.Count()),
mData(aCopy.mData ? aCopy.mData->Clone() : nsnull),
mImportantData(aCopy.mImportantData ? aCopy.mImportantData->Clone()
: nsnull)
{
MOZ_COUNT_CTOR(nsCSSDeclaration);
mOrder = aCopy.mOrder;
}
nsCSSDeclaration::~nsCSSDeclaration(void)
{
if (mData) {
mData->Destroy();
}
if (mImportantData) {
mImportantData->Destroy();
}
MOZ_COUNT_DTOR(nsCSSDeclaration);
}
nsresult
nsCSSDeclaration::ValueAppended(nsCSSProperty aProperty)
{
// order IS important for CSS, so remove and add to the end
if (nsCSSProps::IsShorthand(aProperty)) {
CSSPROPS_FOR_SHORTHAND_SUBPROPERTIES(p, aProperty) {
mOrder.RemoveValue(*p);
mOrder.AppendValue(*p);
}
} else {
mOrder.RemoveValue(aProperty);
mOrder.AppendValue(aProperty);
}
return NS_OK;
}
nsresult
nsCSSDeclaration::RemoveProperty(nsCSSProperty aProperty)
{
nsCSSExpandedDataBlock data;
data.Expand(&mData, &mImportantData);
NS_ASSERTION(!mData && !mImportantData, "Expand didn't null things out");
if (nsCSSProps::IsShorthand(aProperty)) {
CSSPROPS_FOR_SHORTHAND_SUBPROPERTIES(p, aProperty) {
data.ClearProperty(*p);
mOrder.RemoveValue(*p);
}
} else {
data.ClearProperty(aProperty);
mOrder.RemoveValue(aProperty);
}
data.Compress(&mData, &mImportantData);
return NS_OK;
}
nsresult
nsCSSDeclaration::AppendComment(const nsAString& aComment)
{
return /* NS_ERROR_NOT_IMPLEMENTED, or not any longer that is */ NS_OK;
}
nsresult
nsCSSDeclaration::GetValueOrImportantValue(nsCSSProperty aProperty, nsCSSValue& aValue) const
{
aValue.Reset();
NS_ASSERTION(aProperty >= 0, "out of range");
if (aProperty >= eCSSProperty_COUNT_no_shorthands ||
nsCSSProps::kTypeTable[aProperty] != eCSSType_Value) {
NS_ERROR("can't query for shorthand properties");
return NS_ERROR_ILLEGAL_VALUE;
}
nsCSSCompressedDataBlock *data = GetValueIsImportant(aProperty)
? mImportantData : mData;
const void *storage = data->StorageFor(aProperty);
if (!storage)
return NS_OK;
aValue = *NS_STATIC_CAST(const nsCSSValue*, storage);
return NS_OK;
}
nsresult
nsCSSDeclaration::GetValue(const nsAString& aProperty,
nsAString& aValue) const
{
nsCSSProperty propID = nsCSSProps::LookupProperty(aProperty);
return GetValue(propID, aValue);
}
PRBool nsCSSDeclaration::AppendValueToString(nsCSSProperty aProperty, nsAString& aResult) const
{
nsCSSCompressedDataBlock *data = GetValueIsImportant(aProperty)
? mImportantData : mData;
const void *storage = data->StorageFor(aProperty);
if (storage) {
switch (nsCSSProps::kTypeTable[aProperty]) {
case eCSSType_Value: {
const nsCSSValue *val = NS_STATIC_CAST(const nsCSSValue*, storage);
AppendCSSValueToString(aProperty, *val, aResult);
} break;
case eCSSType_Rect: {
const nsCSSRect *rect = NS_STATIC_CAST(const nsCSSRect*, storage);
aResult.Append(NS_LITERAL_STRING("rect("));
AppendCSSValueToString(aProperty, rect->mTop, aResult);
NS_NAMED_LITERAL_STRING(comma, ", ");
aResult.Append(comma);
AppendCSSValueToString(aProperty, rect->mRight, aResult);
aResult.Append(comma);
AppendCSSValueToString(aProperty, rect->mBottom, aResult);
aResult.Append(comma);
AppendCSSValueToString(aProperty, rect->mLeft, aResult);
aResult.Append(PRUnichar(')'));
} break;
case eCSSType_ValueList: {
const nsCSSValueList* val =
*NS_STATIC_CAST(nsCSSValueList*const*, storage);
do {
AppendCSSValueToString(aProperty, val->mValue, aResult);
val = val->mNext;
if (val) {
aResult.Append(PRUnichar(' '));
}
} while (val);
} break;
case eCSSType_CounterData: {
const nsCSSCounterData* counter =
*NS_STATIC_CAST(nsCSSCounterData*const*, storage);
do {
if (AppendCSSValueToString(aProperty, counter->mCounter, aResult)) {
if (counter->mValue.GetUnit() != eCSSUnit_Null) {
aResult.Append(PRUnichar(' '));
AppendCSSValueToString(aProperty, counter->mValue, aResult);
}
}
counter = counter->mNext;
if (counter) {
aResult.Append(PRUnichar(' '));
}
} while (counter);
} break;
case eCSSType_Quotes: {
const nsCSSQuotes* quotes =
*NS_STATIC_CAST(nsCSSQuotes*const*, storage);
do {
AppendCSSValueToString(aProperty, quotes->mOpen, aResult);
aResult.Append(PRUnichar(' '));
AppendCSSValueToString(aProperty, quotes->mClose, aResult);
quotes = quotes->mNext;
if (quotes) {
aResult.Append(PRUnichar(' '));
}
} while (quotes);
} break;
case eCSSType_Shadow: {
const nsCSSShadow* shadow =
*NS_STATIC_CAST(nsCSSShadow*const*, storage);
if (shadow->mXOffset.IsLengthUnit()) {
while (shadow) {
if (AppendCSSValueToString(eCSSProperty_color, shadow->mColor,
aResult))
aResult.Append(PRUnichar(' '));
if (AppendCSSValueToString(aProperty, shadow->mXOffset, aResult)) {
aResult.Append(PRUnichar(' '));
AppendCSSValueToString(aProperty, shadow->mYOffset, aResult);
aResult.Append(PRUnichar(' '));
}
if (AppendCSSValueToString(aProperty, shadow->mRadius, aResult) &&
shadow->mNext)
aResult.Append(NS_LITERAL_STRING(", "));
shadow = shadow->mNext;
}
}
else { // none or inherit
AppendCSSValueToString(aProperty, shadow->mXOffset, aResult);
}
} break;
}
}
return storage != nsnull;
}
PRBool nsCSSDeclaration::AppendCSSValueToString(nsCSSProperty aProperty, const nsCSSValue& aValue, nsAString& aResult) const
{
nsCSSUnit unit = aValue.GetUnit();
if (eCSSUnit_Null == unit) {
return PR_FALSE;
}
if ((eCSSUnit_String <= unit) && (unit <= eCSSUnit_Counters)) {
switch (unit) {
case eCSSUnit_Attr: aResult.Append(NS_LITERAL_STRING("attr("));
break;
case eCSSUnit_Counter: aResult.Append(NS_LITERAL_STRING("counter("));
break;
case eCSSUnit_Counters: aResult.Append(NS_LITERAL_STRING("counters("));
break;
default: break;
}
nsAutoString buffer;
aValue.GetStringValue(buffer);
aResult.Append(buffer);
}
else if (eCSSUnit_Integer == unit) {
switch (aProperty) {
case eCSSProperty_color:
case eCSSProperty_background_color:
case eCSSProperty_border_top_color:
case eCSSProperty_border_bottom_color:
case eCSSProperty_border_left_color:
case eCSSProperty_border_right_color:
case eCSSProperty__moz_outline_color: {
// we can lookup the property in the ColorTable and then
// get a string mapping the name
nsCAutoString str;
if (nsCSSProps::GetColorName(aValue.GetIntValue(), str)){
AppendASCIItoUTF16(str, aResult);
} else {
nsAutoString tmpStr;
tmpStr.AppendInt(aValue.GetIntValue(), 10);
aResult.Append(tmpStr);
}
}
break;
default:
{
nsAutoString tmpStr;
tmpStr.AppendInt(aValue.GetIntValue(), 10);
aResult.Append(tmpStr);
}
break;
}
}
else if (eCSSUnit_Enumerated == unit) {
if (eCSSProperty_text_decoration == aProperty) {
PRInt32 intValue = aValue.GetIntValue();
if (NS_STYLE_TEXT_DECORATION_NONE != intValue) {
PRInt32 mask;
for (mask = NS_STYLE_TEXT_DECORATION_UNDERLINE;
mask <= NS_STYLE_TEXT_DECORATION_BLINK;
mask <<= 1) {
if ((mask & intValue) == mask) {
AppendASCIItoUTF16(nsCSSProps::LookupPropertyValue(aProperty, mask), aResult);
intValue &= ~mask;
if (0 != intValue) { // more left
aResult.Append(PRUnichar(' '));
}
}
}
}
else {
AppendASCIItoUTF16(nsCSSProps::LookupPropertyValue(aProperty, NS_STYLE_TEXT_DECORATION_NONE), aResult);
}
}
else if (eCSSProperty_azimuth == aProperty) {
PRInt32 intValue = aValue.GetIntValue();
AppendASCIItoUTF16(nsCSSProps::LookupPropertyValue(aProperty, (intValue & ~NS_STYLE_AZIMUTH_BEHIND)), aResult);
if ((NS_STYLE_AZIMUTH_BEHIND & intValue) != 0) {
aResult.Append(PRUnichar(' '));
AppendASCIItoUTF16(nsCSSProps::LookupPropertyValue(aProperty, NS_STYLE_AZIMUTH_BEHIND), aResult);
}
}
else if (eCSSProperty_play_during_flags == aProperty) {
PRInt32 intValue = aValue.GetIntValue();
if ((NS_STYLE_PLAY_DURING_MIX & intValue) != 0) {
AppendASCIItoUTF16(nsCSSProps::LookupPropertyValue(aProperty, NS_STYLE_PLAY_DURING_MIX), aResult);
}
if ((NS_STYLE_PLAY_DURING_REPEAT & intValue) != 0) {
if (NS_STYLE_PLAY_DURING_REPEAT != intValue) {
aResult.Append(PRUnichar(' '));
}
AppendASCIItoUTF16(nsCSSProps::LookupPropertyValue(aProperty, NS_STYLE_PLAY_DURING_REPEAT), aResult);
}
}
else if (eCSSProperty_marks == aProperty) {
PRInt32 intValue = aValue.GetIntValue();
if ((NS_STYLE_PAGE_MARKS_CROP & intValue) != 0) {
AppendASCIItoUTF16(nsCSSProps::LookupPropertyValue(aProperty, NS_STYLE_PAGE_MARKS_CROP), aResult);
}
if ((NS_STYLE_PAGE_MARKS_REGISTER & intValue) != 0) {
if ((NS_STYLE_PAGE_MARKS_CROP & intValue) != 0) {
aResult.Append(PRUnichar(' '));
}
AppendASCIItoUTF16(nsCSSProps::LookupPropertyValue(aProperty, NS_STYLE_PAGE_MARKS_REGISTER), aResult);
}
}
else {
const nsAFlatCString& name = nsCSSProps::LookupPropertyValue(aProperty, aValue.GetIntValue());
AppendASCIItoUTF16(name, aResult);
}
}
else if (eCSSUnit_Color == unit) {
nsAutoString tmpStr;
nscolor color = aValue.GetColorValue();
aResult.Append(NS_LITERAL_STRING("rgb("));
NS_NAMED_LITERAL_STRING(comma, ", ");
tmpStr.AppendInt(NS_GET_R(color), 10);
aResult.Append(tmpStr + comma);
tmpStr.Truncate();
tmpStr.AppendInt(NS_GET_G(color), 10);
aResult.Append(tmpStr + comma);
tmpStr.Truncate();
tmpStr.AppendInt(NS_GET_B(color), 10);
aResult.Append(tmpStr);
aResult.Append(PRUnichar(')'));
}
else if (eCSSUnit_URL == unit) {
aResult.Append(NS_LITERAL_STRING("url(") +
nsDependentString(aValue.GetOriginalURLValue()) +
NS_LITERAL_STRING(")"));
}
else if (eCSSUnit_Percent == unit) {
nsAutoString tmpStr;
tmpStr.AppendFloat(aValue.GetPercentValue() * 100.0f);
aResult.Append(tmpStr);
}
else if (eCSSUnit_Percent < unit) { // length unit
nsAutoString tmpStr;
tmpStr.AppendFloat(aValue.GetFloatValue());
aResult.Append(tmpStr);
}
switch (unit) {
case eCSSUnit_Null: break;
case eCSSUnit_Auto: aResult.Append(NS_LITERAL_STRING("auto")); break;
case eCSSUnit_Inherit: aResult.Append(NS_LITERAL_STRING("inherit")); break;
case eCSSUnit_Initial: aResult.Append(NS_LITERAL_STRING("initial")); break;
case eCSSUnit_None: aResult.Append(NS_LITERAL_STRING("none")); break;
case eCSSUnit_Normal: aResult.Append(NS_LITERAL_STRING("normal")); break;
case eCSSUnit_String: break;
case eCSSUnit_URL: break;
case eCSSUnit_Attr:
case eCSSUnit_Counter:
case eCSSUnit_Counters: aResult.Append(PRUnichar(')')); break;
case eCSSUnit_Integer: break;
case eCSSUnit_Enumerated: break;
case eCSSUnit_Color: break;
case eCSSUnit_Percent: aResult.Append(PRUnichar('%')); break;
case eCSSUnit_Number: break;
case eCSSUnit_Inch: aResult.Append(NS_LITERAL_STRING("in")); break;
case eCSSUnit_Foot: aResult.Append(NS_LITERAL_STRING("ft")); break;
case eCSSUnit_Mile: aResult.Append(NS_LITERAL_STRING("mi")); break;
case eCSSUnit_Millimeter: aResult.Append(NS_LITERAL_STRING("mm")); break;
case eCSSUnit_Centimeter: aResult.Append(NS_LITERAL_STRING("cm")); break;
case eCSSUnit_Meter: aResult.Append(NS_LITERAL_STRING("m")); break;
case eCSSUnit_Kilometer: aResult.Append(NS_LITERAL_STRING("km")); break;
case eCSSUnit_Point: aResult.Append(NS_LITERAL_STRING("pt")); break;
case eCSSUnit_Pica: aResult.Append(NS_LITERAL_STRING("pc")); break;
case eCSSUnit_Didot: aResult.Append(NS_LITERAL_STRING("dt")); break;
case eCSSUnit_Cicero: aResult.Append(NS_LITERAL_STRING("cc")); break;
case eCSSUnit_EM: aResult.Append(NS_LITERAL_STRING("em")); break;
case eCSSUnit_EN: aResult.Append(NS_LITERAL_STRING("en")); break;
case eCSSUnit_XHeight: aResult.Append(NS_LITERAL_STRING("ex")); break;
case eCSSUnit_CapHeight: aResult.Append(NS_LITERAL_STRING("cap")); break;
case eCSSUnit_Char: aResult.Append(NS_LITERAL_STRING("ch")); break;
case eCSSUnit_Pixel: aResult.Append(NS_LITERAL_STRING("px")); break;
case eCSSUnit_Proportional: aResult.Append(NS_LITERAL_STRING("*")); break;
case eCSSUnit_Degree: aResult.Append(NS_LITERAL_STRING("deg")); break;
case eCSSUnit_Grad: aResult.Append(NS_LITERAL_STRING("grad")); break;
case eCSSUnit_Radian: aResult.Append(NS_LITERAL_STRING("rad")); break;
case eCSSUnit_Hertz: aResult.Append(NS_LITERAL_STRING("Hz")); break;
case eCSSUnit_Kilohertz: aResult.Append(NS_LITERAL_STRING("kHz")); break;
case eCSSUnit_Seconds: aResult.Append(PRUnichar('s')); break;
case eCSSUnit_Milliseconds: aResult.Append(NS_LITERAL_STRING("ms")); break;
}
return PR_TRUE;
}
nsresult
nsCSSDeclaration::GetValue(nsCSSProperty aProperty,
nsAString& aValue) const
{
aValue.Truncate(0);
// simple properties are easy.
if (!nsCSSProps::IsShorthand(aProperty)) {
AppendValueToString(aProperty, aValue);
return NS_OK;
}
// shorthands
// XXX What about checking the consistency of '!important'?
switch (aProperty) {
case eCSSProperty_margin:
case eCSSProperty_padding:
case eCSSProperty_border_color:
case eCSSProperty_border_style:
case eCSSProperty__moz_border_radius:
case eCSSProperty__moz_outline_radius:
case eCSSProperty_border_width: {
const nsCSSProperty* subprops =
nsCSSProps::SubpropertyEntryFor(aProperty);
NS_ASSERTION(nsCSSProps::kTypeTable[subprops[0]] == eCSSType_Value &&
nsCSSProps::kTypeTable[subprops[1]] == eCSSType_Value &&
nsCSSProps::kTypeTable[subprops[2]] == eCSSType_Value &&
nsCSSProps::kTypeTable[subprops[3]] == eCSSType_Value,
"type mismatch");
if (!AppendValueToString(subprops[0], aValue) ||
!(aValue.Append(PRUnichar(' ')),
AppendValueToString(subprops[1], aValue)) ||
!(aValue.Append(PRUnichar(' ')),
AppendValueToString(subprops[2], aValue)) ||
!(aValue.Append(PRUnichar(' ')),
AppendValueToString(subprops[3], aValue))) {
aValue.Truncate();
}
break;
}
case eCSSProperty_border:
// XXX More consistency checking needed before falling through.
aProperty = eCSSProperty_border_top;
case eCSSProperty_border_top:
case eCSSProperty_border_right:
case eCSSProperty_border_bottom:
case eCSSProperty_border_left:
case eCSSProperty__moz_outline: {
const nsCSSProperty* subprops =
nsCSSProps::SubpropertyEntryFor(aProperty);
NS_ASSERTION(nsCSSProps::kTypeTable[subprops[0]] == eCSSType_Value &&
nsCSSProps::kTypeTable[subprops[1]] == eCSSType_Value &&
nsCSSProps::kTypeTable[subprops[2]] == eCSSType_Value,
"type mismatch");
if (!AppendValueToString(subprops[0], aValue) ||
!(aValue.Append(PRUnichar(' ')),
AppendValueToString(subprops[1], aValue)) ||
!(aValue.Append(PRUnichar(' ')),
AppendValueToString(subprops[2], aValue))) {
aValue.Truncate();
}
break;
}
case eCSSProperty_background: {
if (AppendValueToString(eCSSProperty_background_color, aValue))
aValue.Append(PRUnichar(' '));
if (AppendValueToString(eCSSProperty_background_image, aValue))
aValue.Append(PRUnichar(' '));
if (AppendValueToString(eCSSProperty_background_repeat, aValue))
aValue.Append(PRUnichar(' '));
if (AppendValueToString(eCSSProperty_background_attachment, aValue))
aValue.Append(PRUnichar(' '));
if (AppendValueToString(eCSSProperty_background_x_position, aValue)) {
aValue.Append(PRUnichar(' '));
#ifdef DEBUG
PRBool check =
#endif
AppendValueToString(eCSSProperty_background_y_position, aValue);
NS_ASSERTION(check, "we parsed half of background-position");
}
break;
}
case eCSSProperty_border_spacing:
if (AppendValueToString(eCSSProperty_border_x_spacing, aValue)) {
aValue.Append(PRUnichar(' '));
#ifdef DEBUG
PRBool check =
#endif
AppendValueToString(eCSSProperty_border_y_spacing, aValue);
NS_ASSERTION(check, "we parsed half of border-spacing");
}
break;
case eCSSProperty_cue: {
if (AppendValueToString(eCSSProperty_cue_after, aValue)) {
aValue.Append(PRUnichar(' '));
if (!AppendValueToString(eCSSProperty_cue_before, aValue))
aValue.Truncate();
}
break;
}
case eCSSProperty_font: {
if (AppendValueToString(eCSSProperty_font_style, aValue))
aValue.Append(PRUnichar(' '));
if (AppendValueToString(eCSSProperty_font_variant, aValue))
aValue.Append(PRUnichar(' '));
if (AppendValueToString(eCSSProperty_font_weight, aValue))
aValue.Append(PRUnichar(' '));
if (AppendValueToString(eCSSProperty_font_size, aValue)) {
nsAutoString tmp;
if (AppendValueToString(eCSSProperty_line_height, tmp)) {
aValue.Append(PRUnichar('/'));
aValue.Append(tmp);
}
aValue.Append(PRUnichar(' '));
if (!AppendValueToString(eCSSProperty_font_family, aValue))
aValue.Truncate();
} else {
aValue.Truncate();
}
break;
}
case eCSSProperty_list_style:
if (AppendValueToString(eCSSProperty_list_style_type, aValue))
aValue.Append(PRUnichar(' '));
if (AppendValueToString(eCSSProperty_list_style_position, aValue))
aValue.Append(PRUnichar(' '));
AppendValueToString(eCSSProperty_list_style_image, aValue);
break;
case eCSSProperty_pause: {
if (AppendValueToString(eCSSProperty_pause_after, aValue)) {
aValue.Append(PRUnichar(' '));
if (!AppendValueToString(eCSSProperty_pause_before, aValue))
aValue.Truncate();
}
break;
}
case eCSSProperty_size: {
if (AppendValueToString(eCSSProperty_size_width, aValue)) {
aValue.Append(PRUnichar(' '));
if (!AppendValueToString(eCSSProperty_size_height, aValue))
aValue.Truncate();
}
break;
}
case eCSSProperty_background_position: {
if (AppendValueToString(eCSSProperty_background_x_position, aValue)) {
aValue.Append(PRUnichar(' '));
#ifdef DEBUG
PRBool check =
#endif
AppendValueToString(eCSSProperty_background_y_position, aValue);
NS_ASSERTION(check, "we parsed half of background-position");
}
break;
}
case eCSSProperty_play_during: {
if (AppendValueToString(eCSSProperty_play_during_uri, aValue)) {
nsAutoString tmp;
if (AppendValueToString(eCSSProperty_play_during_flags, tmp)) {
aValue.Append(PRUnichar(' '));
aValue.Append(tmp);
}
}
break;
}
default:
NS_NOTREACHED("no other shorthands");
break;
}
return NS_OK;
}
PRBool
nsCSSDeclaration::GetValueIsImportant(const nsAString& aProperty) const
{
nsCSSProperty propID = nsCSSProps::LookupProperty(aProperty);
return GetValueIsImportant(propID);
}
PRBool
nsCSSDeclaration::GetValueIsImportant(nsCSSProperty aProperty) const
{
if (!mImportantData)
return PR_FALSE;
// Inefficient, but we can assume '!important' is rare.
return mImportantData->StorageFor(aProperty) != nsnull;
}
PRBool
nsCSSDeclaration::AllPropertiesSameImportance(PRInt32 aFirst, PRInt32 aSecond,
PRInt32 aThird, PRInt32 aFourth,
PRInt32 aFifth, PRInt32 aSixth,
PRBool & aImportance) const
{
aImportance = GetValueIsImportant(OrderValueAt(aFirst-1));
if ((aSecond && aImportance != GetValueIsImportant(OrderValueAt(aSecond-1))) ||
(aThird && aImportance != GetValueIsImportant(OrderValueAt(aThird-1))) ||
(aFourth && aImportance != GetValueIsImportant(OrderValueAt(aFourth-1))) ||
(aFifth && aImportance != GetValueIsImportant(OrderValueAt(aFifth-1))) ||
(aSixth && aImportance != GetValueIsImportant(OrderValueAt(aSixth-1)))) {
return PR_FALSE;
}
return PR_TRUE;
}
PRBool
nsCSSDeclaration::AllPropertiesSameValue(PRInt32 aFirst, PRInt32 aSecond,
PRInt32 aThird, PRInt32 aFourth) const
{
nsCSSValue firstValue, otherValue;
// TryBorderShorthand does the bounds-checking for us; valid values there
// are > 0; 0 is a flag for "not set". We here are passed the actual
// index, which comes from finding the value in the mOrder property array.
// Of course, re-getting the mOrder value here is pretty silly.
GetValueOrImportantValue(OrderValueAt(aFirst-1), firstValue);
GetValueOrImportantValue(OrderValueAt(aSecond-1), otherValue);
if (firstValue != otherValue) {
return PR_FALSE;
}
GetValueOrImportantValue(OrderValueAt(aThird-1), otherValue);
if (firstValue != otherValue) {
return PR_FALSE;
}
GetValueOrImportantValue(OrderValueAt(aFourth-1), otherValue);
if (firstValue != otherValue) {
return PR_FALSE;
}
return PR_TRUE;
}
void
nsCSSDeclaration::AppendImportanceToString(PRBool aIsImportant, nsAString& aString) const
{
if (aIsImportant) {
aString.Append(NS_LITERAL_STRING(" ! important"));
}
}
void
nsCSSDeclaration::AppendPropertyAndValueToString(nsCSSProperty aProperty,
nsAString& aString) const
{
NS_ASSERTION(aProperty, "null CSS property passed to AppendPropertyAndValueToString.");
AppendASCIItoUTF16(nsCSSProps::GetStringValue(aProperty), aString);
aString.Append(NS_LITERAL_STRING(": "));
AppendValueToString(aProperty, aString);
PRBool isImportant = GetValueIsImportant(aProperty);
AppendImportanceToString(isImportant, aString);
aString.Append(NS_LITERAL_STRING("; "));
}
PRBool
nsCSSDeclaration::TryBorderShorthand(nsAString & aString, PRUint32 aPropertiesSet,
PRInt32 aBorderTopWidth,
PRInt32 aBorderTopStyle,
PRInt32 aBorderTopColor,
PRInt32 aBorderBottomWidth,
PRInt32 aBorderBottomStyle,
PRInt32 aBorderBottomColor,
PRInt32 aBorderLeftWidth,
PRInt32 aBorderLeftStyle,
PRInt32 aBorderLeftColor,
PRInt32 aBorderRightWidth,
PRInt32 aBorderRightStyle,
PRInt32 aBorderRightColor) const
{
PRBool border = PR_FALSE, isImportant = PR_FALSE;
// 0 means not in the mOrder array; otherwise it's index+1
if (B_BORDER == aPropertiesSet
&& AllPropertiesSameValue(aBorderTopWidth, aBorderBottomWidth,
aBorderLeftWidth, aBorderRightWidth)
&& AllPropertiesSameValue(aBorderTopStyle, aBorderBottomStyle,
aBorderLeftStyle, aBorderRightStyle)
&& AllPropertiesSameValue(aBorderTopColor, aBorderBottomColor,
aBorderLeftColor, aBorderRightColor)) {
border = PR_TRUE;
}
if (border) {
border = PR_FALSE;
PRBool isWidthImportant, isStyleImportant, isColorImportant;
if (AllPropertiesSameImportance(aBorderTopWidth, aBorderBottomWidth,
aBorderLeftWidth, aBorderRightWidth,
0, 0,
isWidthImportant) &&
AllPropertiesSameImportance(aBorderTopStyle, aBorderBottomStyle,
aBorderLeftStyle, aBorderRightStyle,
0, 0,
isStyleImportant) &&
AllPropertiesSameImportance(aBorderTopColor, aBorderBottomColor,
aBorderLeftColor, aBorderRightColor,
0, 0,
isColorImportant)) {
if (isWidthImportant == isStyleImportant && isWidthImportant == isColorImportant) {
border = PR_TRUE;
isImportant = isWidthImportant;
}
}
}
if (border) {
AppendASCIItoUTF16(nsCSSProps::GetStringValue(eCSSProperty_border), aString);
aString.Append(NS_LITERAL_STRING(": "));
AppendValueToString(eCSSProperty_border_top_width, aString);
aString.Append(PRUnichar(' '));
AppendValueToString(eCSSProperty_border_top_style, aString);
aString.Append(PRUnichar(' '));
nsAutoString valueString;
AppendValueToString(eCSSProperty_border_top_color, valueString);
if (!valueString.Equals(NS_LITERAL_STRING("-moz-use-text-color"))) {
/* don't output this value, it's proprietary Mozilla and */
/* not intended to be exposed ; we can remove it from the */
/* values of the shorthand since this value represents the */
/* initial value of border-*-color */
aString.Append(valueString);
}
AppendImportanceToString(isImportant, aString);
aString.Append(NS_LITERAL_STRING("; "));
}
return border;
}
PRBool
nsCSSDeclaration::TryBorderSideShorthand(nsAString & aString,
nsCSSProperty aShorthand,
PRInt32 aBorderWidth,
PRInt32 aBorderStyle,
PRInt32 aBorderColor) const
{
PRBool isImportant;
if (AllPropertiesSameImportance(aBorderWidth, aBorderStyle, aBorderColor,
0, 0, 0,
isImportant)) {
AppendASCIItoUTF16(nsCSSProps::GetStringValue(aShorthand), aString);
aString.Append(NS_LITERAL_STRING(": "));
AppendValueToString(OrderValueAt(aBorderWidth-1), aString);
aString.Append(PRUnichar(' '));
AppendValueToString(OrderValueAt(aBorderStyle-1), aString);
nsAutoString valueString;
AppendValueToString(OrderValueAt(aBorderColor-1), valueString);
if (!valueString.Equals(NS_LITERAL_STRING("-moz-use-text-color"))) {
aString.Append(NS_LITERAL_STRING(" "));
aString.Append(valueString);
}
AppendImportanceToString(isImportant, aString);
aString.Append(NS_LITERAL_STRING("; "));
return PR_TRUE;
}
return PR_FALSE;
}
PRBool
nsCSSDeclaration::TryFourSidesShorthand(nsAString & aString,
nsCSSProperty aShorthand,
PRInt32 & aTop,
PRInt32 & aBottom,
PRInt32 & aLeft,
PRInt32 & aRight,
PRBool aClearIndexes) const
{
// 0 means not in the mOrder array; otherwise it's index+1
PRBool isImportant;
if (aTop && aBottom && aLeft && aRight &&
AllPropertiesSameImportance(aTop, aBottom, aLeft, aRight,
0, 0,
isImportant)) {
// all 4 properties are set, we can output a shorthand
AppendASCIItoUTF16(nsCSSProps::GetStringValue(aShorthand), aString);
aString.Append(NS_LITERAL_STRING(": "));
nsCSSValue topValue, bottomValue, leftValue, rightValue;
nsCSSProperty topProp = OrderValueAt(aTop-1);
nsCSSProperty bottomProp = OrderValueAt(aBottom-1);
nsCSSProperty leftProp = OrderValueAt(aLeft-1);
nsCSSProperty rightProp = OrderValueAt(aRight-1);
GetValueOrImportantValue(topProp, topValue);
GetValueOrImportantValue(bottomProp, bottomValue);
GetValueOrImportantValue(leftProp, leftValue);
GetValueOrImportantValue(rightProp, rightValue);
AppendCSSValueToString(topProp, topValue, aString);
if (topValue != rightValue || topValue != leftValue || topValue != bottomValue) {
aString.Append(PRUnichar(' '));
AppendCSSValueToString(rightProp, rightValue, aString);
if (topValue != bottomValue || rightValue != leftValue) {
aString.Append(PRUnichar(' '));
AppendCSSValueToString(bottomProp, bottomValue, aString);
if (rightValue != leftValue) {
aString.Append(PRUnichar(' '));
AppendCSSValueToString(leftProp, leftValue, aString);
}
}
}
if (aClearIndexes) {
aTop = 0; aBottom = 0; aLeft = 0; aRight = 0;
}
AppendImportanceToString(isImportant, aString);
aString.Append(NS_LITERAL_STRING("; "));
return PR_TRUE;
}
return PR_FALSE;
}
void
nsCSSDeclaration::TryBackgroundShorthand(nsAString & aString,
PRInt32 & aBgColor,
PRInt32 & aBgImage,
PRInt32 & aBgRepeat,
PRInt32 & aBgAttachment,
PRInt32 & aBgPositionX,
PRInt32 & aBgPositionY) const
{
// 0 means not in the mOrder array; otherwise it's index+1
// check if we have at least two properties set; otherwise, no need to
// use a shorthand
PRBool isImportant;
if (aBgColor && aBgImage && aBgRepeat && aBgAttachment && aBgPositionX && aBgPositionY &&
AllPropertiesSameImportance(aBgColor, aBgImage, aBgRepeat, aBgAttachment,
aBgPositionX, aBgPositionY, isImportant)) {
AppendASCIItoUTF16(nsCSSProps::GetStringValue(eCSSProperty_background), aString);
aString.Append(NS_LITERAL_STRING(": "));
AppendValueToString(eCSSProperty_background_color, aString);
aBgColor = 0;
aString.Append(PRUnichar(' '));
AppendValueToString(eCSSProperty_background_image, aString);
aBgImage = 0;
aString.Append(PRUnichar(' '));
AppendValueToString(eCSSProperty_background_repeat, aString);
aBgRepeat = 0;
aString.Append(PRUnichar(' '));
AppendValueToString(eCSSProperty_background_attachment, aString);
aBgAttachment = 0;
aString.Append(PRUnichar(' '));
UseBackgroundPosition(aString, aBgPositionX, aBgPositionY);
AppendImportanceToString(isImportant, aString);
aString.Append(NS_LITERAL_STRING("; "));
}
}
void
nsCSSDeclaration::UseBackgroundPosition(nsAString & aString,
PRInt32 & aBgPositionX,
PRInt32 & aBgPositionY) const
{
nsAutoString backgroundXValue, backgroundYValue;
AppendValueToString(eCSSProperty_background_x_position, backgroundXValue);
AppendValueToString(eCSSProperty_background_y_position, backgroundYValue);
aString.Append(backgroundXValue);
if (!backgroundXValue.Equals(backgroundYValue, nsCaseInsensitiveStringComparator())) {
// the two values are different
aString.Append(PRUnichar(' '));
aString.Append(backgroundYValue);
}
aBgPositionX = 0;
aBgPositionY = 0;
}
#define NS_CASE_OUTPUT_PROPERTY_VALUE(_prop, _index) \
case _prop: \
if (_index) { \
AppendPropertyAndValueToString(property, aString); \
_index = 0; \
} \
break;
#define NS_CASE_CONDITIONAL_OUTPUT_PROPERTY_VALUE(_condition, _prop, _index) \
case _prop: \
if ((_condition) && _index) { \
AppendPropertyAndValueToString(property, aString); \
_index = 0; \
} \
break;
void nsCSSDeclaration::PropertyIsSet(PRInt32 & aPropertyIndex, PRInt32 aIndex, PRUint32 & aSet, PRUint32 aValue) const
{
aPropertyIndex = aIndex + 1;
aSet |= aValue;
}
nsresult
nsCSSDeclaration::ToString(nsAString& aString) const
{
PRInt32 count = mOrder.Count();
PRInt32 index;
// 0 means not in the mOrder array; otherwise it's index+1
PRInt32 borderTopWidth = 0, borderTopStyle = 0, borderTopColor = 0;
PRInt32 borderBottomWidth = 0, borderBottomStyle = 0, borderBottomColor = 0;
PRInt32 borderLeftWidth = 0, borderLeftStyle = 0, borderLeftColor = 0;
PRInt32 borderRightWidth = 0, borderRightStyle = 0, borderRightColor = 0;
PRInt32 marginTop = 0, marginBottom = 0, marginLeft = 0, marginRight = 0;
PRInt32 paddingTop = 0, paddingBottom = 0, paddingLeft = 0, paddingRight = 0;
PRInt32 bgColor = 0, bgImage = 0, bgRepeat = 0, bgAttachment = 0;
PRInt32 bgPositionX = 0, bgPositionY = 0;
PRUint32 borderPropertiesSet = 0, finalBorderPropertiesToSet = 0;
for (index = 0; index < count; index++) {
nsCSSProperty property = OrderValueAt(index);
switch (property) {
case eCSSProperty_border_top_width:
PropertyIsSet(borderTopWidth, index, borderPropertiesSet, B_BORDER_TOP_WIDTH);
break;
case eCSSProperty_border_bottom_width:
PropertyIsSet(borderBottomWidth, index, borderPropertiesSet, B_BORDER_BOTTOM_WIDTH);
break;
case eCSSProperty_border_left_width:
PropertyIsSet(borderLeftWidth, index, borderPropertiesSet, B_BORDER_LEFT_WIDTH);
break;
case eCSSProperty_border_right_width:
PropertyIsSet(borderRightWidth, index, borderPropertiesSet, B_BORDER_RIGHT_WIDTH);
break;
case eCSSProperty_border_top_style:
PropertyIsSet(borderTopStyle, index, borderPropertiesSet, B_BORDER_TOP_STYLE);
break;
case eCSSProperty_border_bottom_style:
PropertyIsSet(borderBottomStyle, index, borderPropertiesSet, B_BORDER_BOTTOM_STYLE);
break;
case eCSSProperty_border_left_style:
PropertyIsSet(borderLeftStyle, index, borderPropertiesSet, B_BORDER_LEFT_STYLE);
break;
case eCSSProperty_border_right_style:
PropertyIsSet(borderRightStyle, index, borderPropertiesSet, B_BORDER_RIGHT_STYLE);
break;
case eCSSProperty_border_top_color:
PropertyIsSet(borderTopColor, index, borderPropertiesSet, B_BORDER_TOP_COLOR);
break;
case eCSSProperty_border_bottom_color:
PropertyIsSet(borderBottomColor, index, borderPropertiesSet, B_BORDER_BOTTOM_COLOR);
break;
case eCSSProperty_border_left_color:
PropertyIsSet(borderLeftColor, index, borderPropertiesSet, B_BORDER_LEFT_COLOR);
break;
case eCSSProperty_border_right_color:
PropertyIsSet(borderRightColor, index, borderPropertiesSet, B_BORDER_RIGHT_COLOR);
break;
case eCSSProperty_margin_top: marginTop = index+1; break;
case eCSSProperty_margin_bottom: marginBottom = index+1; break;
case eCSSProperty_margin_left: marginLeft = index+1; break;
case eCSSProperty_margin_right: marginRight = index+1; break;
case eCSSProperty_padding_top: paddingTop = index+1; break;
case eCSSProperty_padding_bottom: paddingBottom = index+1; break;
case eCSSProperty_padding_left: paddingLeft = index+1; break;
case eCSSProperty_padding_right: paddingRight = index+1; break;
case eCSSProperty_background_color: bgColor = index+1; break;
case eCSSProperty_background_image: bgImage = index+1; break;
case eCSSProperty_background_repeat: bgRepeat = index+1; break;
case eCSSProperty_background_attachment: bgAttachment = index+1; break;
case eCSSProperty_background_x_position: bgPositionX = index+1; break;
case eCSSProperty_background_y_position: bgPositionY = index+1; break;
default: ;
}
}
if (!TryBorderShorthand(aString, borderPropertiesSet,
borderTopWidth, borderTopStyle, borderTopColor,
borderBottomWidth, borderBottomStyle, borderBottomColor,
borderLeftWidth, borderLeftStyle, borderLeftColor,
borderRightWidth, borderRightStyle, borderRightColor)) {
PRUint32 borderPropertiesToSet = 0;
if ((borderPropertiesSet & B_BORDER_STYLE) != B_BORDER_STYLE ||
!TryFourSidesShorthand(aString, eCSSProperty_border_style,
borderTopStyle, borderBottomStyle,
borderLeftStyle, borderRightStyle,
PR_FALSE)) {
borderPropertiesToSet |= B_BORDER_STYLE;
}
if ((borderPropertiesSet & B_BORDER_COLOR) != B_BORDER_COLOR ||
!TryFourSidesShorthand(aString, eCSSProperty_border_color,
borderTopColor, borderBottomColor,
borderLeftColor, borderRightColor,
PR_FALSE)) {
borderPropertiesToSet |= B_BORDER_COLOR;
}
if ((borderPropertiesSet & B_BORDER_WIDTH) != B_BORDER_WIDTH ||
!TryFourSidesShorthand(aString, eCSSProperty_border_width,
borderTopWidth, borderBottomWidth,
borderLeftWidth, borderRightWidth,
PR_FALSE)) {
borderPropertiesToSet |= B_BORDER_WIDTH;
}
borderPropertiesToSet &= borderPropertiesSet;
if (borderPropertiesToSet) {
if ((borderPropertiesSet & B_BORDER_TOP) != B_BORDER_TOP ||
!TryBorderSideShorthand(aString, eCSSProperty_border_top,
borderTopWidth, borderTopStyle, borderTopColor)) {
finalBorderPropertiesToSet |= B_BORDER_TOP;
}
if ((borderPropertiesSet & B_BORDER_LEFT) != B_BORDER_LEFT ||
!TryBorderSideShorthand(aString, eCSSProperty_border_left,
borderLeftWidth, borderLeftStyle, borderLeftColor)) {
finalBorderPropertiesToSet |= B_BORDER_LEFT;
}
if ((borderPropertiesSet & B_BORDER_RIGHT) != B_BORDER_RIGHT ||
!TryBorderSideShorthand(aString, eCSSProperty_border_right,
borderRightWidth, borderRightStyle, borderRightColor)) {
finalBorderPropertiesToSet |= B_BORDER_RIGHT;
}
if ((borderPropertiesSet & B_BORDER_BOTTOM) != B_BORDER_BOTTOM ||
!TryBorderSideShorthand(aString, eCSSProperty_border_bottom,
borderBottomWidth, borderBottomStyle, borderBottomColor)) {
finalBorderPropertiesToSet |= B_BORDER_BOTTOM;
}
finalBorderPropertiesToSet &= borderPropertiesToSet;
}
}
TryFourSidesShorthand(aString, eCSSProperty_margin,
marginTop, marginBottom,
marginLeft, marginRight,
PR_TRUE);
TryFourSidesShorthand(aString, eCSSProperty_padding,
paddingTop, paddingBottom,
paddingLeft, paddingRight,
PR_TRUE);
TryBackgroundShorthand(aString,
bgColor, bgImage, bgRepeat, bgAttachment,
bgPositionX, bgPositionY);
for (index = 0; index < count; index++) {
nsCSSProperty property = OrderValueAt(index);
switch (property) {
NS_CASE_CONDITIONAL_OUTPUT_PROPERTY_VALUE(finalBorderPropertiesToSet & B_BORDER_TOP_STYLE,
eCSSProperty_border_top_style, borderTopStyle)
NS_CASE_CONDITIONAL_OUTPUT_PROPERTY_VALUE(finalBorderPropertiesToSet & B_BORDER_LEFT_STYLE,
eCSSProperty_border_left_style, borderLeftStyle)
NS_CASE_CONDITIONAL_OUTPUT_PROPERTY_VALUE(finalBorderPropertiesToSet & B_BORDER_RIGHT_STYLE,
eCSSProperty_border_right_style, borderRightStyle)
NS_CASE_CONDITIONAL_OUTPUT_PROPERTY_VALUE(finalBorderPropertiesToSet & B_BORDER_BOTTOM_STYLE,
eCSSProperty_border_bottom_style, borderBottomStyle)
NS_CASE_CONDITIONAL_OUTPUT_PROPERTY_VALUE(finalBorderPropertiesToSet & B_BORDER_TOP_COLOR,
eCSSProperty_border_top_color, borderTopColor)
NS_CASE_CONDITIONAL_OUTPUT_PROPERTY_VALUE(finalBorderPropertiesToSet & B_BORDER_LEFT_COLOR,
eCSSProperty_border_left_color, borderLeftColor)
NS_CASE_CONDITIONAL_OUTPUT_PROPERTY_VALUE(finalBorderPropertiesToSet & B_BORDER_RIGHT_COLOR,
eCSSProperty_border_right_color, borderRightColor)
NS_CASE_CONDITIONAL_OUTPUT_PROPERTY_VALUE(finalBorderPropertiesToSet & B_BORDER_BOTTOM_COLOR,
eCSSProperty_border_bottom_color, borderBottomColor)
NS_CASE_CONDITIONAL_OUTPUT_PROPERTY_VALUE(finalBorderPropertiesToSet & B_BORDER_TOP_WIDTH,
eCSSProperty_border_top_width, borderTopWidth)
NS_CASE_CONDITIONAL_OUTPUT_PROPERTY_VALUE(finalBorderPropertiesToSet & B_BORDER_LEFT_WIDTH,
eCSSProperty_border_left_width, borderLeftWidth)
NS_CASE_CONDITIONAL_OUTPUT_PROPERTY_VALUE(finalBorderPropertiesToSet & B_BORDER_RIGHT_WIDTH,
eCSSProperty_border_right_width, borderRightWidth)
NS_CASE_CONDITIONAL_OUTPUT_PROPERTY_VALUE(finalBorderPropertiesToSet & B_BORDER_BOTTOM_WIDTH,
eCSSProperty_border_bottom_width, borderBottomWidth)
NS_CASE_OUTPUT_PROPERTY_VALUE(eCSSProperty_margin_top, marginTop)
NS_CASE_OUTPUT_PROPERTY_VALUE(eCSSProperty_margin_bottom, marginBottom)
NS_CASE_OUTPUT_PROPERTY_VALUE(eCSSProperty_margin_left, marginLeft)
NS_CASE_OUTPUT_PROPERTY_VALUE(eCSSProperty_margin_right, marginRight)
NS_CASE_OUTPUT_PROPERTY_VALUE(eCSSProperty_padding_top, paddingTop)
NS_CASE_OUTPUT_PROPERTY_VALUE(eCSSProperty_padding_bottom, paddingBottom)
NS_CASE_OUTPUT_PROPERTY_VALUE(eCSSProperty_padding_left, paddingLeft)
NS_CASE_OUTPUT_PROPERTY_VALUE(eCSSProperty_padding_right, paddingRight)
NS_CASE_OUTPUT_PROPERTY_VALUE(eCSSProperty_background_color, bgColor)
NS_CASE_OUTPUT_PROPERTY_VALUE(eCSSProperty_background_image, bgImage)
NS_CASE_OUTPUT_PROPERTY_VALUE(eCSSProperty_background_repeat, bgRepeat)
NS_CASE_OUTPUT_PROPERTY_VALUE(eCSSProperty_background_attachment, bgAttachment)
case eCSSProperty_background_x_position:
case eCSSProperty_background_y_position: {
// 0 means not in the mOrder array; otherwise it's index+1
PRBool isImportant;
if (bgPositionX && bgPositionY &&
AllPropertiesSameImportance(bgPositionX, bgPositionY,
0, 0, 0, 0, isImportant)) {
AppendASCIItoUTF16(nsCSSProps::GetStringValue(eCSSProperty_background_position), aString);
aString.Append(NS_LITERAL_STRING(": "));
UseBackgroundPosition(aString, bgPositionX, bgPositionY);
AppendImportanceToString(isImportant, aString);
aString.Append(NS_LITERAL_STRING("; "));
}
else if (eCSSProperty_background_x_position == property && bgPositionX) {
AppendPropertyAndValueToString(eCSSProperty_background_x_position, aString);
bgPositionX = 0;
}
else if (eCSSProperty_background_y_position == property && bgPositionY) {
AppendPropertyAndValueToString(eCSSProperty_background_y_position, aString);
bgPositionY = 0;
}
break;
}
default:
if (0 <= property) {
AppendPropertyAndValueToString(property, aString);
}
break;
}
}
if (! aString.IsEmpty()) {
// if the string is not empty, we have a trailing whitespace we should remove
aString.Truncate(aString.Length() - 1);
}
return NS_OK;
}
#ifdef DEBUG
void nsCSSDeclaration::List(FILE* out, PRInt32 aIndent) const
{
for (PRInt32 index = aIndent; --index >= 0; ) fputs(" ", out);
fputs("{ ", out);
fputs("nsCSSDeclaration::List not implemented", out);
fputs("}", out);
}
#endif
PRUint32
nsCSSDeclaration::Count() const
{
return (PRUint32)mOrder.Count();
}
nsresult
nsCSSDeclaration::GetNthProperty(PRUint32 aIndex, nsAString& aReturn) const
{
aReturn.Truncate();
if (aIndex < (PRUint32)mOrder.Count()) {
nsCSSProperty property = OrderValueAt(aIndex);
if (0 <= property) {
AppendASCIItoUTF16(nsCSSProps::GetStringValue(property), aReturn);
}
}
return NS_OK;
}
nsCSSDeclaration*
nsCSSDeclaration::Clone() const
{
return new nsCSSDeclaration(*this);
}
PRBool
nsCSSDeclaration::InitializeEmpty()
{
NS_ASSERTION(!mData && !mImportantData, "already initialized");
mData = nsCSSCompressedDataBlock::CreateEmptyBlock();
return mData != nsnull;
}
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