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250 lines
11 KiB
C++
250 lines
11 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* 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
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Mats Palmgren <mats.palmgren@bredband.net>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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/*
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* methods for dealing with CSS properties and tables of the keyword
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* values they accept
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*/
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#ifndef nsCSSProps_h___
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#define nsCSSProps_h___
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#include "nsString.h"
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#include "nsChangeHint.h"
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#include "nsCSSProperty.h"
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#include "nsStyleStruct.h"
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#include "nsCSSKeywords.h"
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// Flags for the kFlagsTable bitfield (flags_ in nsCSSPropList.h)
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// A property that is a *-ltr-source or *-rtl-source property for one of
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// the directional pseudo-shorthand properties.
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#define CSS_PROPERTY_DIRECTIONAL_SOURCE (1<<0)
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#define CSS_PROPERTY_VALUE_LIST_USES_COMMAS (1<<1) /* otherwise spaces */
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#define CSS_PROPERTY_APPLIES_TO_FIRST_LETTER (1<<2)
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#define CSS_PROPERTY_APPLIES_TO_FIRST_LINE (1<<3)
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#define CSS_PROPERTY_APPLIES_TO_FIRST_LETTER_AND_FIRST_LINE \
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(CSS_PROPERTY_APPLIES_TO_FIRST_LETTER | CSS_PROPERTY_APPLIES_TO_FIRST_LINE)
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class nsCSSProps {
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public:
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static void AddRefTable(void);
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static void ReleaseTable(void);
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// Given a property string, return the enum value
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static nsCSSProperty LookupProperty(const nsAString& aProperty);
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static nsCSSProperty LookupProperty(const nsACString& aProperty);
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static inline PRBool IsShorthand(nsCSSProperty aProperty) {
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NS_ASSERTION(0 <= aProperty && aProperty < eCSSProperty_COUNT,
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"out of range");
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return (aProperty >= eCSSProperty_COUNT_no_shorthands);
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}
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// Same but for @font-face descriptors
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static nsCSSFontDesc LookupFontDesc(const nsAString& aProperty);
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static nsCSSFontDesc LookupFontDesc(const nsACString& aProperty);
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// Given a property enum, get the string value
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static const nsAFlatCString& GetStringValue(nsCSSProperty aProperty);
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static const nsAFlatCString& GetStringValue(nsCSSFontDesc aFontDesc);
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// Given a CSS Property and a Property Enum Value
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// Return back a const nsString& representation of the
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// value. Return back nullstr if no value is found
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static const nsAFlatCString& LookupPropertyValue(nsCSSProperty aProperty, PRInt32 aValue);
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// Get a color name for a predefined color value like buttonhighlight or activeborder
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// Sets the aStr param to the name of the propertyID
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static PRBool GetColorName(PRInt32 aPropID, nsCString &aStr);
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// Find |aKeyword| in |aTable|, if found set |aValue| to its corresponding value.
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// If not found, return PR_FALSE and do not set |aValue|.
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static PRBool FindKeyword(nsCSSKeyword aKeyword, const PRInt32 aTable[], PRInt32& aValue);
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// Return the first keyword in |aTable| that has the corresponding value |aValue|.
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// Return |eCSSKeyword_UNKNOWN| if not found.
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static nsCSSKeyword ValueToKeywordEnum(PRInt32 aValue, const PRInt32 aTable[]);
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// Ditto but as a string, return "" when not found.
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static const nsAFlatCString& ValueToKeyword(PRInt32 aValue, const PRInt32 aTable[]);
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static const nsCSSType kTypeTable[eCSSProperty_COUNT_no_shorthands];
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static const nsStyleStructID kSIDTable[eCSSProperty_COUNT_no_shorthands];
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static const PRInt32* const kKeywordTableTable[eCSSProperty_COUNT_no_shorthands];
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private:
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static const PRUint32 kFlagsTable[eCSSProperty_COUNT];
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public:
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static inline PRBool PropHasFlags(nsCSSProperty aProperty, PRUint32 aFlags)
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{
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NS_ASSERTION(0 <= aProperty && aProperty < eCSSProperty_COUNT,
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"out of range");
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return (nsCSSProps::kFlagsTable[aProperty] & aFlags) == aFlags;
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}
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private:
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// A table for shorthand properties. The appropriate index is the
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// property ID minus eCSSProperty_COUNT_no_shorthands.
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static const nsCSSProperty *const
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kSubpropertyTable[eCSSProperty_COUNT - eCSSProperty_COUNT_no_shorthands];
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public:
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static inline
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const nsCSSProperty * SubpropertyEntryFor(nsCSSProperty aProperty) {
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NS_ASSERTION(eCSSProperty_COUNT_no_shorthands <= aProperty &&
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aProperty < eCSSProperty_COUNT,
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"out of range");
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return nsCSSProps::kSubpropertyTable[aProperty -
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eCSSProperty_COUNT_no_shorthands];
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}
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// Returns an eCSSProperty_UNKNOWN-terminated array of the shorthand
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// properties containing |aProperty|, sorted from those that contain
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// the most properties to those that contain the least.
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static const nsCSSProperty * ShorthandsContaining(nsCSSProperty aProperty) {
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NS_ASSERTION(gShorthandsContainingPool, "uninitialized");
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NS_ASSERTION(0 <= aProperty && aProperty < eCSSProperty_COUNT_no_shorthands,
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"out of range");
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return gShorthandsContainingTable[aProperty];
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}
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private:
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// gShorthandsContainingTable is an array of the return values for
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// ShorthandsContaining (arrays of nsCSSProperty terminated by
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// eCSSProperty_UNKNOWN) pointing into memory in
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// gShorthandsContainingPool (which contains all of those arrays in a
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// single allocation, and is the one pointer that should be |free|d).
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static nsCSSProperty *gShorthandsContainingTable[eCSSProperty_COUNT_no_shorthands];
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static nsCSSProperty* gShorthandsContainingPool;
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static PRBool BuildShorthandsContainingTable();
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public:
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#define CSSPROPS_FOR_SHORTHAND_SUBPROPERTIES(iter_, prop_) \
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for (const nsCSSProperty* iter_ = nsCSSProps::SubpropertyEntryFor(prop_); \
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*iter_ != eCSSProperty_UNKNOWN; ++iter_)
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// Keyword/Enum value tables
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static const PRInt32 kAppearanceKTable[];
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static const PRInt32 kAzimuthKTable[];
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static const PRInt32 kBackgroundAttachmentKTable[];
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static const PRInt32 kBackgroundClipKTable[];
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static const PRInt32 kBackgroundInlinePolicyKTable[];
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static const PRInt32 kBackgroundOriginKTable[];
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static const PRInt32 kBackgroundPositionKTable[];
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static const PRInt32 kBackgroundRepeatKTable[];
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static const PRInt32 kBorderCollapseKTable[];
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static const PRInt32 kBorderColorKTable[];
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static const PRInt32 kBorderImageKTable[];
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static const PRInt32 kBorderStyleKTable[];
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static const PRInt32 kBorderWidthKTable[];
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static const PRInt32 kBoxAlignKTable[];
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static const PRInt32 kBoxDirectionKTable[];
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static const PRInt32 kBoxOrientKTable[];
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static const PRInt32 kBoxPackKTable[];
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#ifdef MOZ_SVG
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static const PRInt32 kDominantBaselineKTable[];
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static const PRInt32 kFillRuleKTable[];
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static const PRInt32 kImageRenderingKTable[];
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static const PRInt32 kPointerEventsKTable[];
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static const PRInt32 kShapeRenderingKTable[];
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static const PRInt32 kStrokeLinecapKTable[];
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static const PRInt32 kStrokeLinejoinKTable[];
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static const PRInt32 kTextAnchorKTable[];
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static const PRInt32 kTextRenderingKTable[];
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static const PRInt32 kColorInterpolationKTable[];
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#endif
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static const PRInt32 kBoxPropSourceKTable[];
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static const PRInt32 kBoxShadowTypeKTable[];
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static const PRInt32 kBoxSizingKTable[];
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static const PRInt32 kCaptionSideKTable[];
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static const PRInt32 kClearKTable[];
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static const PRInt32 kColorKTable[];
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static const PRInt32 kContentKTable[];
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static const PRInt32 kCursorKTable[];
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static const PRInt32 kDirectionKTable[];
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static const PRInt32 kDisplayKTable[];
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static const PRInt32 kElevationKTable[];
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static const PRInt32 kEmptyCellsKTable[];
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static const PRInt32 kFloatKTable[];
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static const PRInt32 kFloatEdgeKTable[];
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static const PRInt32 kFontKTable[];
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static const PRInt32 kFontSizeKTable[];
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static const PRInt32 kFontStretchKTable[];
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static const PRInt32 kFontStyleKTable[];
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static const PRInt32 kFontVariantKTable[];
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static const PRInt32 kFontWeightKTable[];
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static const PRInt32 kIMEModeKTable[];
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static const PRInt32 kLineHeightKTable[];
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static const PRInt32 kListStylePositionKTable[];
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static const PRInt32 kListStyleKTable[];
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static const PRInt32 kOutlineStyleKTable[];
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static const PRInt32 kOutlineColorKTable[];
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static const PRInt32 kOverflowKTable[];
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static const PRInt32 kOverflowSubKTable[];
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static const PRInt32 kPageBreakKTable[];
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static const PRInt32 kPageBreakInsideKTable[];
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static const PRInt32 kPageMarksKTable[];
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static const PRInt32 kPageSizeKTable[];
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static const PRInt32 kPitchKTable[];
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static const PRInt32 kPositionKTable[];
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static const PRInt32 kSpeakKTable[];
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static const PRInt32 kSpeakHeaderKTable[];
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static const PRInt32 kSpeakNumeralKTable[];
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static const PRInt32 kSpeakPunctuationKTable[];
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static const PRInt32 kSpeechRateKTable[];
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static const PRInt32 kStackSizingKTable[];
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static const PRInt32 kTableLayoutKTable[];
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static const PRInt32 kTextAlignKTable[];
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static const PRInt32 kTextDecorationKTable[];
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static const PRInt32 kTextTransformKTable[];
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static const PRInt32 kUnicodeBidiKTable[];
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static const PRInt32 kUserFocusKTable[];
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static const PRInt32 kUserInputKTable[];
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static const PRInt32 kUserModifyKTable[];
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static const PRInt32 kUserSelectKTable[];
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static const PRInt32 kVerticalAlignKTable[];
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static const PRInt32 kVisibilityKTable[];
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static const PRInt32 kVolumeKTable[];
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static const PRInt32 kWhitespaceKTable[];
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static const PRInt32 kWidthKTable[]; // also min-width, max-width
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static const PRInt32 kWindowShadowKTable[];
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static const PRInt32 kWordwrapKTable[];
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};
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#endif /* nsCSSProps_h___ */
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