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gecko-dev/layout/style/nsCSSDeclaration.cpp

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla 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/MPL/
*
* 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>
* Mats Palmgren <mats.palmgren@bredband.net>
*
* Alternatively, the contents of this file may be used under the terms of
* either of 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 MPL, 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 MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
/*
* representation of a declaration block (or style attribute) in a CSS
* stylesheet
*/
#include "nscore.h"
#include "prlog.h"
#include "nsCSSDeclaration.h"
#include "nsString.h"
#include "nsIAtom.h"
#include "nsUnicharUtils.h"
#include "nsReadableUtils.h"
#include "nsCRT.h"
#include "nsCSSProps.h"
#include "nsFont.h"
#include "nsReadableUtils.h"
#include "nsStyleUtil.h"
#include "nsStyleConsts.h"
#include "nsCOMPtr.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
nsCSSDeclaration::nsCSSDeclaration()
: mData(nsnull),
mImportantData(nsnull)
{
// check that we can fit all the CSS properties into a PRUint8
// for the mOrder array - if not, might need to use PRUint16!
PR_STATIC_ASSERT(eCSSProperty_COUNT_no_shorthands - 1 <= PR_UINT8_MAX);
MOZ_COUNT_CTOR(nsCSSDeclaration);
}
nsCSSDeclaration::nsCSSDeclaration(const nsCSSDeclaration& aCopy)
: mOrder(aCopy.mOrder),
mData(aCopy.mData ? aCopy.mData->Clone() : nsnull),
mImportantData(aCopy.mImportantData ? aCopy.mImportantData->Clone()
: nsnull)
{
MOZ_COUNT_CTOR(nsCSSDeclaration);
}
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.RemoveElement(*p);
mOrder.AppendElement(*p);
}
} else {
mOrder.RemoveElement(aProperty);
mOrder.AppendElement(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.RemoveElement(*p);
}
} else {
data.ClearProperty(aProperty);
mOrder.RemoveElement(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 = *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 = static_cast<const nsCSSValue*>(storage);
AppendCSSValueToString(aProperty, *val, aResult);
} break;
case eCSSType_Rect: {
const nsCSSRect *rect = static_cast<const nsCSSRect*>(storage);
if (rect->mTop.GetUnit() == eCSSUnit_Inherit ||
rect->mTop.GetUnit() == eCSSUnit_Initial) {
NS_ASSERTION(rect->mRight.GetUnit() == rect->mTop.GetUnit(),
"Top inherit or initial, right isn't. Fix the parser!");
NS_ASSERTION(rect->mBottom.GetUnit() == rect->mTop.GetUnit(),
"Top inherit or initial, bottom isn't. Fix the parser!");
NS_ASSERTION(rect->mLeft.GetUnit() == rect->mTop.GetUnit(),
"Top inherit or initial, left isn't. Fix the parser!");
AppendCSSValueToString(aProperty, rect->mTop, aResult);
} else {
aResult.AppendLiteral("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_ValuePair: {
const nsCSSValuePair *pair = static_cast<const nsCSSValuePair*>(storage);
AppendCSSValueToString(aProperty, pair->mXValue, aResult);
if (pair->mYValue != pair->mXValue ||
(aProperty == eCSSProperty_background_position &&
pair->mXValue.GetUnit() != eCSSUnit_Inherit &&
pair->mXValue.GetUnit() != eCSSUnit_Initial)) {
// Only output a Y value if it's different from the X value
// or if it's a background-position value other than 'initial'
// or 'inherit'.
aResult.Append(PRUnichar(' '));
AppendCSSValueToString(aProperty, pair->mYValue, aResult);
}
} break;
case eCSSType_ValueList: {
const nsCSSValueList* val =
*static_cast<nsCSSValueList*const*>(storage);
do {
AppendCSSValueToString(aProperty, val->mValue, aResult);
val = val->mNext;
if (val) {
if (aProperty == eCSSProperty_cursor
|| aProperty == eCSSProperty_text_shadow
#ifdef MOZ_SVG
|| aProperty == eCSSProperty_stroke_dasharray
#endif
)
aResult.Append(PRUnichar(','));
aResult.Append(PRUnichar(' '));
}
} while (val);
} break;
case eCSSType_CounterData: {
const nsCSSCounterData* counter =
*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 =
*static_cast<nsCSSQuotes*const*>(storage);
NS_ASSERTION((quotes->mOpen.GetUnit() == eCSSUnit_String) ||
(quotes->mNext == nsnull),
"non-strings must be alone");
do {
AppendCSSValueToString(aProperty, quotes->mOpen, aResult);
NS_ASSERTION((quotes->mOpen.GetUnit() == eCSSUnit_String) ==
(quotes->mClose.GetUnit() == eCSSUnit_String),
"strings must come in pairs");
NS_ASSERTION((quotes->mOpen.GetUnit() != eCSSUnit_String) ==
(quotes->mClose.GetUnit() == eCSSUnit_Null),
"non-strings must be alone");
if (quotes->mClose.GetUnit() != eCSSUnit_Null) {
aResult.Append(PRUnichar(' '));
AppendCSSValueToString(aProperty, quotes->mClose, aResult);
}
quotes = quotes->mNext;
if (quotes) {
aResult.Append(PRUnichar(' '));
}
} while (quotes);
} break;
}
}
return storage != nsnull;
}
/* static */ PRBool
nsCSSDeclaration::AppendCSSValueToString(nsCSSProperty aProperty,
const nsCSSValue& aValue,
nsAString& aResult)
{
nsCSSUnit unit = aValue.GetUnit();
if (eCSSUnit_Null == unit) {
return PR_FALSE;
}
if (eCSSUnit_String <= unit && unit <= eCSSUnit_Attr) {
if (unit == eCSSUnit_Attr) {
aResult.AppendLiteral("attr(");
}
nsAutoString buffer;
aValue.GetStringValue(buffer);
aResult.Append(buffer);
}
else if (eCSSUnit_Array <= unit && unit <= eCSSUnit_Counters) {
switch (unit) {
case eCSSUnit_Counter: aResult.AppendLiteral("counter("); break;
case eCSSUnit_Counters: aResult.AppendLiteral("counters("); break;
default: break;
}
nsCSSValue::Array *array = aValue.GetArrayValue();
PRBool mark = PR_FALSE;
for (PRUint16 i = 0, i_end = array->Count(); i < i_end; ++i) {
if (mark && array->Item(i).GetUnit() != eCSSUnit_Null) {
if (unit == eCSSUnit_Array)
aResult.AppendLiteral(" ");
else
aResult.AppendLiteral(", ");
}
nsCSSProperty prop =
((eCSSUnit_Counter <= unit && unit <= eCSSUnit_Counters) &&
i == array->Count() - 1)
? eCSSProperty_list_style_type : aProperty;
if (AppendCSSValueToString(prop, array->Item(i), aResult)) {
mark = PR_TRUE;
}
}
}
else if (eCSSUnit_Integer == unit) {
nsAutoString tmpStr;
tmpStr.AppendInt(aValue.GetIntValue(), 10);
aResult.Append(tmpStr);
}
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_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_EnumColor == unit) {
// 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 {
NS_NOTREACHED("bad color value");
}
}
else if (eCSSUnit_Color == unit) {
nscolor color = aValue.GetColorValue();
if (color == NS_RGBA(0, 0, 0, 0)) {
// Use the strictest match for 'transparent' so we do correct
// round-tripping of all other rgba() values.
aResult.AppendLiteral("transparent");
} else {
nsAutoString tmpStr;
PRUint8 a = NS_GET_A(color);
if (a < 255) {
tmpStr.AppendLiteral("rgba(");
} else {
tmpStr.AppendLiteral("rgb(");
}
NS_NAMED_LITERAL_STRING(comma, ", ");
tmpStr.AppendInt(NS_GET_R(color), 10);
tmpStr.Append(comma);
tmpStr.AppendInt(NS_GET_G(color), 10);
tmpStr.Append(comma);
tmpStr.AppendInt(NS_GET_B(color), 10);
if (a < 255) {
tmpStr.Append(comma);
tmpStr.AppendFloat(nsStyleUtil::ColorComponentToFloat(a));
}
tmpStr.Append(PRUnichar(')'));
aResult.Append(tmpStr);
}
}
else if (eCSSUnit_URL == unit || eCSSUnit_Image == 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.AppendLiteral("auto"); break;
case eCSSUnit_Inherit: aResult.AppendLiteral("inherit"); break;
case eCSSUnit_Initial: aResult.AppendLiteral("-moz-initial"); break;
case eCSSUnit_None: aResult.AppendLiteral("none"); break;
case eCSSUnit_Normal: aResult.AppendLiteral("normal"); break;
case eCSSUnit_System_Font: aResult.AppendLiteral("-moz-use-system-font"); break;
case eCSSUnit_String: break;
case eCSSUnit_URL: break;
case eCSSUnit_Image: break;
case eCSSUnit_Array: break;
case eCSSUnit_Attr:
case eCSSUnit_Counter:
case eCSSUnit_Counters: aResult.Append(PRUnichar(')')); break;
case eCSSUnit_Integer: break;
case eCSSUnit_Enumerated: break;
case eCSSUnit_EnumColor: break;
case eCSSUnit_Color: break;
case eCSSUnit_Percent: aResult.Append(PRUnichar('%')); break;
case eCSSUnit_Number: break;
case eCSSUnit_Inch: aResult.AppendLiteral("in"); break;
case eCSSUnit_Foot: aResult.AppendLiteral("ft"); break;
case eCSSUnit_Mile: aResult.AppendLiteral("mi"); break;
case eCSSUnit_Millimeter: aResult.AppendLiteral("mm"); break;
case eCSSUnit_Centimeter: aResult.AppendLiteral("cm"); break;
case eCSSUnit_Meter: aResult.AppendLiteral("m"); break;
case eCSSUnit_Kilometer: aResult.AppendLiteral("km"); break;
case eCSSUnit_Point: aResult.AppendLiteral("pt"); break;
case eCSSUnit_Pica: aResult.AppendLiteral("pc"); break;
case eCSSUnit_Didot: aResult.AppendLiteral("dt"); break;
case eCSSUnit_Cicero: aResult.AppendLiteral("cc"); break;
case eCSSUnit_EM: aResult.AppendLiteral("em"); break;
case eCSSUnit_EN: aResult.AppendLiteral("en"); break;
case eCSSUnit_XHeight: aResult.AppendLiteral("ex"); break;
case eCSSUnit_CapHeight: aResult.AppendLiteral("cap"); break;
case eCSSUnit_Char: aResult.AppendLiteral("ch"); break;
case eCSSUnit_Pixel: aResult.AppendLiteral("px"); break;
case eCSSUnit_Degree: aResult.AppendLiteral("deg"); break;
case eCSSUnit_Grad: aResult.AppendLiteral("grad"); break;
case eCSSUnit_Radian: aResult.AppendLiteral("rad"); break;
case eCSSUnit_Hertz: aResult.AppendLiteral("Hz"); break;
case eCSSUnit_Kilohertz: aResult.AppendLiteral("kHz"); break;
case eCSSUnit_Seconds: aResult.Append(PRUnichar('s')); break;
case eCSSUnit_Milliseconds: aResult.AppendLiteral("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
CSSPROPS_FOR_SHORTHAND_SUBPROPERTIES(p, aProperty) {
if (!mData->StorageFor(*p) &&
(!mImportantData || !mImportantData->StorageFor(*p)))
// We don't have all the properties in the shorthand.
if (*p != eCSSProperty__x_system_font)
return NS_OK;
}
// XXX What about checking the consistency of '!important'?
// XXX What about checking that we don't serialize inherit,
// -moz-initial, or other illegal values?
// XXXldb Can we share shorthand logic with ToString?
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_border_start:
case eCSSProperty_border_end:
case eCSSProperty_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_margin_left:
case eCSSProperty_margin_right:
case eCSSProperty_margin_start:
case eCSSProperty_margin_end:
case eCSSProperty_padding_left:
case eCSSProperty_padding_right:
case eCSSProperty_padding_start:
case eCSSProperty_padding_end:
case eCSSProperty_border_left_color:
case eCSSProperty_border_left_style:
case eCSSProperty_border_left_width:
case eCSSProperty_border_right_color:
case eCSSProperty_border_right_style:
case eCSSProperty_border_right_width:
case eCSSProperty_border_start_color:
case eCSSProperty_border_start_style:
case eCSSProperty_border_start_width:
case eCSSProperty_border_end_color:
case eCSSProperty_border_end_style:
case eCSSProperty_border_end_width: {
const nsCSSProperty* subprops =
nsCSSProps::SubpropertyEntryFor(aProperty);
NS_ASSERTION(subprops[3] == eCSSProperty_UNKNOWN,
"not box property with physical vs. logical cascading");
AppendValueToString(subprops[0], aValue);
break;
}
case eCSSProperty_background: {
PRBool appendedSomething = PR_FALSE;
if (AppendValueToString(eCSSProperty_background_color, aValue)) {
appendedSomething = PR_TRUE;
aValue.Append(PRUnichar(' '));
}
if (AppendValueToString(eCSSProperty_background_image, aValue)) {
aValue.Append(PRUnichar(' '));
appendedSomething = PR_TRUE;
}
if (AppendValueToString(eCSSProperty_background_repeat, aValue)) {
aValue.Append(PRUnichar(' '));
appendedSomething = PR_TRUE;
}
if (AppendValueToString(eCSSProperty_background_attachment, aValue)) {
aValue.Append(PRUnichar(' '));
appendedSomething = PR_TRUE;
}
if (!AppendValueToString(eCSSProperty_background_position, aValue) &&
appendedSomething) {
NS_ASSERTION(!aValue.IsEmpty() && aValue.Last() == PRUnichar(' '),
"We appended a space before!");
// We appended an extra space. Let's get rid of it
aValue.Truncate(aValue.Length() - 1);
}
break;
}
case eCSSProperty_cue: {
if (AppendValueToString(eCSSProperty_cue_before, aValue)) {
aValue.Append(PRUnichar(' '));
if (!AppendValueToString(eCSSProperty_cue_after, aValue))
aValue.Truncate();
}
break;
}
case eCSSProperty_font: {
nsCSSValue style, variant, weight, size, lh, family, systemFont;
GetValueOrImportantValue(eCSSProperty__x_system_font, systemFont);
GetValueOrImportantValue(eCSSProperty_font_style, style);
GetValueOrImportantValue(eCSSProperty_font_variant, variant);
GetValueOrImportantValue(eCSSProperty_font_weight, weight);
GetValueOrImportantValue(eCSSProperty_font_size, size);
GetValueOrImportantValue(eCSSProperty_line_height, lh);
GetValueOrImportantValue(eCSSProperty_font_family, family);
if (systemFont.GetUnit() != eCSSUnit_None &&
systemFont.GetUnit() != eCSSUnit_Null) {
AppendCSSValueToString(eCSSProperty__x_system_font, systemFont, aValue);
} else {
if (style.GetUnit() != eCSSUnit_Normal) {
AppendCSSValueToString(eCSSProperty_font_style, style, aValue);
aValue.Append(PRUnichar(' '));
}
if (variant.GetUnit() != eCSSUnit_Normal) {
AppendCSSValueToString(eCSSProperty_font_variant, variant, aValue);
aValue.Append(PRUnichar(' '));
}
if (weight.GetUnit() != eCSSUnit_Normal) {
AppendCSSValueToString(eCSSProperty_font_weight, weight, aValue);
aValue.Append(PRUnichar(' '));
}
AppendCSSValueToString(eCSSProperty_font_size, size, aValue);
if (lh.GetUnit() != eCSSUnit_Normal) {
aValue.Append(PRUnichar('/'));
AppendCSSValueToString(eCSSProperty_line_height, lh, aValue);
}
aValue.Append(PRUnichar(' '));
AppendCSSValueToString(eCSSProperty_font_family, family, aValue);
}
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_overflow: {
nsCSSValue xValue, yValue;
GetValueOrImportantValue(eCSSProperty_overflow_x, xValue);
GetValueOrImportantValue(eCSSProperty_overflow_y, yValue);
if (xValue == yValue)
AppendValueToString(eCSSProperty_overflow_x, aValue);
break;
}
case eCSSProperty_pause: {
if (AppendValueToString(eCSSProperty_pause_before, aValue)) {
aValue.Append(PRUnichar(' '));
if (!AppendValueToString(eCSSProperty_pause_after, aValue))
aValue.Truncate();
}
break;
}
#ifdef MOZ_SVG
case eCSSProperty_marker: {
nsCSSValue endValue, midValue, startValue;
GetValueOrImportantValue(eCSSProperty_marker_end, endValue);
GetValueOrImportantValue(eCSSProperty_marker_mid, midValue);
GetValueOrImportantValue(eCSSProperty_marker_start, startValue);
if (endValue == midValue && midValue == startValue)
AppendValueToString(eCSSProperty_marker_end, aValue);
break;
}
#endif
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;
}
// XXXldb Bug 376075 All callers of AllPropertiesSameImportance also
// need to check for 'inherit' and 'initial' values, since you can't
// output a mix of either mixed with other values in the same shorthand!
PRBool
nsCSSDeclaration::AllPropertiesSameImportance(PRInt32 aFirst, PRInt32 aSecond,
PRInt32 aThird, PRInt32 aFourth,
PRInt32 aFifth,
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)))) {
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;
}
/* static */ void
nsCSSDeclaration::AppendImportanceToString(PRBool aIsImportant,
nsAString& aString)
{
if (aIsImportant) {
aString.AppendLiteral(" ! important");
}
}
void
nsCSSDeclaration::AppendPropertyAndValueToString(nsCSSProperty aProperty,
nsCSSProperty aPropertyName,
nsAString& aResult) const
{
NS_ASSERTION(0 <= aProperty && aProperty < eCSSProperty_COUNT_no_shorthands,
"property enum out of range");
AppendASCIItoUTF16(nsCSSProps::GetStringValue(aPropertyName), aResult);
aResult.AppendLiteral(": ");
AppendValueToString(aProperty, aResult);
PRBool isImportant = GetValueIsImportant(aProperty);
AppendImportanceToString(isImportant, aResult);
aResult.AppendLiteral("; ");
}
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,
isWidthImportant) &&
AllPropertiesSameImportance(aBorderTopStyle, aBorderBottomStyle,
aBorderLeftStyle, aBorderRightStyle,
0,
isStyleImportant) &&
AllPropertiesSameImportance(aBorderTopColor, aBorderBottomColor,
aBorderLeftColor, aBorderRightColor,
0,
isColorImportant)) {
if (isWidthImportant == isStyleImportant && isWidthImportant == isColorImportant) {
border = PR_TRUE;
isImportant = isWidthImportant;
}
}
}
if (border) {
AppendASCIItoUTF16(nsCSSProps::GetStringValue(eCSSProperty_border), aString);
aString.AppendLiteral(": ");
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.EqualsLiteral("-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.AppendLiteral("; ");
}
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,
isImportant)) {
AppendASCIItoUTF16(nsCSSProps::GetStringValue(aShorthand), aString);
aString.AppendLiteral(": ");
AppendValueToString(OrderValueAt(aBorderWidth-1), aString);
aString.Append(PRUnichar(' '));
AppendValueToString(OrderValueAt(aBorderStyle-1), aString);
nsAutoString valueString;
AppendValueToString(OrderValueAt(aBorderColor-1), valueString);
if (!valueString.EqualsLiteral("-moz-use-text-color")) {
aString.AppendLiteral(" ");
aString.Append(valueString);
}
AppendImportanceToString(isImportant, aString);
aString.AppendLiteral("; ");
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,
isImportant)) {
// all 4 properties are set, we can output a shorthand
AppendASCIItoUTF16(nsCSSProps::GetStringValue(aShorthand), aString);
aString.AppendLiteral(": ");
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.AppendLiteral("; ");
return PR_TRUE;
}
return PR_FALSE;
}
void
nsCSSDeclaration::TryBackgroundShorthand(nsAString & aString,
PRInt32 & aBgColor,
PRInt32 & aBgImage,
PRInt32 & aBgRepeat,
PRInt32 & aBgAttachment,
PRInt32 & aBgPosition) 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 && aBgPosition &&
AllPropertiesSameImportance(aBgColor, aBgImage, aBgRepeat, aBgAttachment,
aBgPosition, isImportant)) {
AppendASCIItoUTF16(nsCSSProps::GetStringValue(eCSSProperty_background), aString);
aString.AppendLiteral(": ");
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(' '));
AppendValueToString(eCSSProperty_background_position, aString);
aBgPosition = 0;
AppendImportanceToString(isImportant, aString);
aString.AppendLiteral("; ");
}
}
void
nsCSSDeclaration::TryOverflowShorthand(nsAString & aString,
PRInt32 & aOverflowX,
PRInt32 & aOverflowY) const
{
PRBool isImportant;
if (aOverflowX && aOverflowY &&
AllPropertiesSameImportance(aOverflowX, aOverflowY,
0, 0, 0, isImportant)) {
nsCSSValue xValue, yValue;
GetValueOrImportantValue(eCSSProperty_overflow_x, xValue);
GetValueOrImportantValue(eCSSProperty_overflow_y, yValue);
if (xValue == yValue) {
AppendASCIItoUTF16(nsCSSProps::GetStringValue(eCSSProperty_overflow),
aString);
aString.AppendLiteral(": ");
AppendCSSValueToString(eCSSProperty_overflow_x, xValue, aString);
AppendImportanceToString(isImportant, aString);
aString.AppendLiteral("; ");
aOverflowX = aOverflowY = 0;
}
}
}
#ifdef MOZ_SVG
void
nsCSSDeclaration::TryMarkerShorthand(nsAString & aString,
PRInt32 & aMarkerEnd,
PRInt32 & aMarkerMid,
PRInt32 & aMarkerStart) const
{
PRBool isImportant;
if (aMarkerEnd && aMarkerMid && aMarkerEnd &&
AllPropertiesSameImportance(aMarkerEnd, aMarkerMid, aMarkerStart,
0, 0, isImportant)) {
nsCSSValue endValue, midValue, startValue;
GetValueOrImportantValue(eCSSProperty_marker_end, endValue);
GetValueOrImportantValue(eCSSProperty_marker_mid, midValue);
GetValueOrImportantValue(eCSSProperty_marker_start, startValue);
if (endValue == midValue && midValue == startValue) {
AppendASCIItoUTF16(nsCSSProps::GetStringValue(eCSSProperty_marker),
aString);
aString.AppendLiteral(": ");
AppendCSSValueToString(eCSSProperty_marker_end, endValue, aString);
AppendImportanceToString(isImportant, aString);
aString.AppendLiteral("; ");
aMarkerEnd = aMarkerMid = aMarkerStart = 0;
}
}
}
#endif
#define NS_CASE_OUTPUT_PROPERTY_VALUE(_prop, _index) \
case _prop: \
if (_index) { \
AppendPropertyAndValueToString(property, aString); \
_index = 0; \
} \
break;
#define NS_CASE_OUTPUT_PROPERTY_VALUE_AS(_prop, _propas, _index) \
case _prop: \
if (_index) { \
AppendPropertyAndValueToString(property, _propas, 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;
#define NS_CASE_CONDITIONAL_OUTPUT_PROPERTY_VALUE_AS(_condition, _prop, _propas, _index) \
case _prop: \
if ((_condition) && _index) { \
AppendPropertyAndValueToString(property, _propas, 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.Length();
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 borderStartWidth = 0, borderStartStyle = 0, borderStartColor = 0;
PRInt32 borderEndWidth = 0, borderEndStyle = 0, borderEndColor = 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 bgPosition = 0;
PRInt32 overflowX = 0, overflowY = 0;
PRUint32 borderPropertiesSet = 0, finalBorderPropertiesToSet = 0;
#ifdef MOZ_SVG
PRInt32 markerEnd = 0, markerMid = 0, markerStart = 0;
#endif
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_value:
PropertyIsSet(borderLeftWidth, index, borderPropertiesSet, B_BORDER_LEFT_WIDTH);
break;
case eCSSProperty_border_right_width_value:
PropertyIsSet(borderRightWidth, index, borderPropertiesSet, B_BORDER_RIGHT_WIDTH);
break;
case eCSSProperty_border_start_width_value:
borderStartWidth = index+1;
break;
case eCSSProperty_border_end_width_value:
borderEndWidth = index+1;
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_value:
PropertyIsSet(borderLeftStyle, index, borderPropertiesSet, B_BORDER_LEFT_STYLE);
break;
case eCSSProperty_border_right_style_value:
PropertyIsSet(borderRightStyle, index, borderPropertiesSet, B_BORDER_RIGHT_STYLE);
break;
case eCSSProperty_border_start_style_value:
borderStartStyle = index+1;
break;
case eCSSProperty_border_end_style_value:
borderEndStyle = index+1;
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_value:
PropertyIsSet(borderLeftColor, index, borderPropertiesSet, B_BORDER_LEFT_COLOR);
break;
case eCSSProperty_border_right_color_value:
PropertyIsSet(borderRightColor, index, borderPropertiesSet, B_BORDER_RIGHT_COLOR);
break;
case eCSSProperty_border_start_color_value:
borderStartColor = index+1;
break;
case eCSSProperty_border_end_color_value:
borderEndColor = index+1;
break;
case eCSSProperty_margin_top: marginTop = index+1; break;
case eCSSProperty_margin_bottom: marginBottom = index+1; break;
case eCSSProperty_margin_left_value: marginLeft = index+1; break;
case eCSSProperty_margin_right_value: marginRight = index+1; break;
case eCSSProperty_padding_top: paddingTop = index+1; break;
case eCSSProperty_padding_bottom: paddingBottom = index+1; break;
case eCSSProperty_padding_left_value: paddingLeft = index+1; break;
case eCSSProperty_padding_right_value: 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_position: bgPosition = index+1; break;
case eCSSProperty_overflow_x: overflowX = index+1; break;
case eCSSProperty_overflow_y: overflowY = index+1; break;
#ifdef MOZ_SVG
case eCSSProperty_marker_end: markerEnd = index+1; break;
case eCSSProperty_marker_mid: markerMid = index+1; break;
case eCSSProperty_marker_start: markerStart = index+1; break;
#endif
default: break;
}
}
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,
bgPosition);
TryOverflowShorthand(aString, overflowX, overflowY);
#ifdef MOZ_SVG
TryMarkerShorthand(aString, markerEnd, markerMid, markerStart);
#endif
// FIXME The order of the declarations should depend on the *-source
// properties.
if (borderStartWidth && borderStartStyle && borderStartColor &&
TryBorderSideShorthand(aString, eCSSProperty_border_start,
borderStartWidth, borderStartStyle, borderStartColor))
borderStartWidth = borderStartStyle = borderStartColor = 0;
if (borderEndWidth && borderEndStyle && borderEndColor &&
TryBorderSideShorthand(aString, eCSSProperty_border_end,
borderEndWidth, borderEndStyle, borderEndColor))
borderEndWidth = borderEndStyle = borderEndColor = 0;
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_AS(finalBorderPropertiesToSet & B_BORDER_LEFT_STYLE,
eCSSProperty_border_left_style_value,
eCSSProperty_border_left_style, borderLeftStyle)
NS_CASE_CONDITIONAL_OUTPUT_PROPERTY_VALUE_AS(finalBorderPropertiesToSet & B_BORDER_RIGHT_STYLE,
eCSSProperty_border_right_style_value,
eCSSProperty_border_right_style, borderRightStyle)
NS_CASE_CONDITIONAL_OUTPUT_PROPERTY_VALUE(finalBorderPropertiesToSet & B_BORDER_BOTTOM_STYLE,
eCSSProperty_border_bottom_style, borderBottomStyle)
NS_CASE_OUTPUT_PROPERTY_VALUE_AS(eCSSProperty_border_start_style_value,
eCSSProperty_border_start_style, borderStartStyle)
NS_CASE_OUTPUT_PROPERTY_VALUE_AS(eCSSProperty_border_end_style_value,
eCSSProperty_border_end_style, borderEndStyle)
NS_CASE_CONDITIONAL_OUTPUT_PROPERTY_VALUE(finalBorderPropertiesToSet & B_BORDER_TOP_COLOR,
eCSSProperty_border_top_color, borderTopColor)
NS_CASE_CONDITIONAL_OUTPUT_PROPERTY_VALUE_AS(finalBorderPropertiesToSet & B_BORDER_LEFT_COLOR,
eCSSProperty_border_left_color_value,
eCSSProperty_border_left_color, borderLeftColor)
NS_CASE_CONDITIONAL_OUTPUT_PROPERTY_VALUE_AS(finalBorderPropertiesToSet & B_BORDER_RIGHT_COLOR,
eCSSProperty_border_right_color_value,
eCSSProperty_border_right_color, borderRightColor)
NS_CASE_CONDITIONAL_OUTPUT_PROPERTY_VALUE(finalBorderPropertiesToSet & B_BORDER_BOTTOM_COLOR,
eCSSProperty_border_bottom_color, borderBottomColor)
NS_CASE_OUTPUT_PROPERTY_VALUE_AS(eCSSProperty_border_start_color_value,
eCSSProperty_border_start_color, borderStartColor)
NS_CASE_OUTPUT_PROPERTY_VALUE_AS(eCSSProperty_border_end_color_value,
eCSSProperty_border_end_color, borderEndColor)
NS_CASE_CONDITIONAL_OUTPUT_PROPERTY_VALUE(finalBorderPropertiesToSet & B_BORDER_TOP_WIDTH,
eCSSProperty_border_top_width, borderTopWidth)
NS_CASE_CONDITIONAL_OUTPUT_PROPERTY_VALUE_AS(finalBorderPropertiesToSet & B_BORDER_LEFT_WIDTH,
eCSSProperty_border_left_width_value,
eCSSProperty_border_left_width, borderLeftWidth)
NS_CASE_CONDITIONAL_OUTPUT_PROPERTY_VALUE_AS(finalBorderPropertiesToSet & B_BORDER_RIGHT_WIDTH,
eCSSProperty_border_right_width_value,
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_AS(eCSSProperty_border_start_width_value,
eCSSProperty_border_start_width, borderStartWidth)
NS_CASE_OUTPUT_PROPERTY_VALUE_AS(eCSSProperty_border_end_width_value,
eCSSProperty_border_end_width, borderEndWidth)
NS_CASE_OUTPUT_PROPERTY_VALUE(eCSSProperty_margin_top, marginTop)
NS_CASE_OUTPUT_PROPERTY_VALUE(eCSSProperty_margin_bottom, marginBottom)
NS_CASE_OUTPUT_PROPERTY_VALUE_AS(eCSSProperty_margin_left_value,
eCSSProperty_margin_left, marginLeft)
NS_CASE_OUTPUT_PROPERTY_VALUE_AS(eCSSProperty_margin_right_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_AS(eCSSProperty_padding_left_value,
eCSSProperty_padding_left, paddingLeft)
NS_CASE_OUTPUT_PROPERTY_VALUE_AS(eCSSProperty_padding_right_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)
NS_CASE_OUTPUT_PROPERTY_VALUE(eCSSProperty_background_position, bgPosition)
NS_CASE_OUTPUT_PROPERTY_VALUE(eCSSProperty_overflow_x, overflowX)
NS_CASE_OUTPUT_PROPERTY_VALUE(eCSSProperty_overflow_y, overflowY)
#ifdef MOZ_SVG
NS_CASE_OUTPUT_PROPERTY_VALUE(eCSSProperty_marker_end, markerEnd)
NS_CASE_OUTPUT_PROPERTY_VALUE(eCSSProperty_marker_mid, markerMid)
NS_CASE_OUTPUT_PROPERTY_VALUE(eCSSProperty_marker_start, markerStart)
#endif
case eCSSProperty_margin_left_ltr_source:
case eCSSProperty_margin_left_rtl_source:
case eCSSProperty_margin_right_ltr_source:
case eCSSProperty_margin_right_rtl_source:
case eCSSProperty_padding_left_ltr_source:
case eCSSProperty_padding_left_rtl_source:
case eCSSProperty_padding_right_ltr_source:
case eCSSProperty_padding_right_rtl_source:
case eCSSProperty_border_left_color_ltr_source:
case eCSSProperty_border_left_color_rtl_source:
case eCSSProperty_border_left_style_ltr_source:
case eCSSProperty_border_left_style_rtl_source:
case eCSSProperty_border_left_width_ltr_source:
case eCSSProperty_border_left_width_rtl_source:
case eCSSProperty_border_right_color_ltr_source:
case eCSSProperty_border_right_color_rtl_source:
case eCSSProperty_border_right_style_ltr_source:
case eCSSProperty_border_right_style_rtl_source:
case eCSSProperty_border_right_width_ltr_source:
case eCSSProperty_border_right_width_rtl_source:
break;
case eCSSProperty_margin_start_value:
AppendPropertyAndValueToString(property, eCSSProperty_margin_start,
aString);
break;
case eCSSProperty_margin_end_value:
AppendPropertyAndValueToString(property, eCSSProperty_margin_end,
aString);
break;
case eCSSProperty_padding_start_value:
AppendPropertyAndValueToString(property, eCSSProperty_padding_start,
aString);
break;
case eCSSProperty_padding_end_value:
AppendPropertyAndValueToString(property, eCSSProperty_padding_end,
aString);
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);
nsAutoString s;
ToString(s);
fputs(NS_ConvertUTF16toUTF8(s).get(), out);
fputs("}", out);
}
#endif
nsresult
nsCSSDeclaration::GetNthProperty(PRUint32 aIndex, nsAString& aReturn) const
{
aReturn.Truncate();
if (aIndex < mOrder.Length()) {
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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