The Tor Browser: layout/style/nsCSSProps.h@925c144e1f1f (annotated)

layout/style/nsCSSProps.h@925c144e1f1f (annotated)

layout/style/nsCSSProps.h

Fri, 16 Jan 2015 18:13:44 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Fri, 16 Jan 2015 18:13:44 +0100
branch: TOR_BUG_9701
changeset 14: 925c144e1f1f
permissions: -rw-r--r--

Integrate suggestion from review to improve consistency with existing code.

 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
 /* This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 /*
  * methods for dealing with CSS properties and tables of the keyword
  * values they accept
  */
 #ifndef nsCSSProps_h___
 #define nsCSSProps_h___
 #include "nsString.h"
 #include "nsCSSProperty.h"
 #include "nsStyleStructFwd.h"
 #include "nsCSSKeywords.h"
 // Length of the "--" prefix on custom names (such as custom property names,
 // and, in the future, custom media query names).
 #define CSS_CUSTOM_NAME_PREFIX_LENGTH 2
 // Flags for ParseVariant method
 #define VARIANT_KEYWORD         0x000001  // K
 #define VARIANT_LENGTH          0x000002  // L
 #define VARIANT_PERCENT         0x000004  // P
 #define VARIANT_COLOR           0x000008  // C eCSSUnit_*Color, eCSSUnit_Ident (e.g.  "red")
 #define VARIANT_URL             0x000010  // U
 #define VARIANT_NUMBER          0x000020  // N
 #define VARIANT_INTEGER         0x000040  // I
 #define VARIANT_ANGLE           0x000080  // G
 #define VARIANT_FREQUENCY       0x000100  // F
 #define VARIANT_TIME            0x000200  // T
 #define VARIANT_STRING          0x000400  // S
 #define VARIANT_COUNTER         0x000800  //
 #define VARIANT_ATTR            0x001000  //
 #define VARIANT_IDENTIFIER      0x002000  // D
 #define VARIANT_IDENTIFIER_NO_INHERIT 0x004000 // like above, but excluding
 // 'inherit' and 'initial'
 #define VARIANT_AUTO            0x010000  // A
 #define VARIANT_INHERIT         0x020000  // H eCSSUnit_Initial, eCSSUnit_Inherit, eCSSUnit_Unset
 #define VARIANT_NONE            0x040000  // O
 #define VARIANT_NORMAL          0x080000  // M
 #define VARIANT_SYSFONT         0x100000  // eCSSUnit_System_Font
 #define VARIANT_GRADIENT        0x200000  // eCSSUnit_Gradient
 #define VARIANT_TIMING_FUNCTION 0x400000  // cubic-bezier() and steps()
 #define VARIANT_ALL             0x800000  //
 #define VARIANT_IMAGE_RECT    0x01000000  // eCSSUnit_Function
 // This is an extra bit that says that a VARIANT_ANGLE allows unitless zero:
 #define VARIANT_ZERO_ANGLE    0x02000000  // unitless zero for angles
 #define VARIANT_CALC          0x04000000  // eCSSUnit_Calc
 #define VARIANT_ELEMENT       0x08000000  // eCSSUnit_Element
 #define VARIANT_POSITIVE_DIMENSION 0x10000000 // Only lengths greater than 0.0
 #define VARIANT_NONNEGATIVE_DIMENSION 0x20000000 // Only lengths greater than or equal to 0.0
 // Keyword used iff gfx.font_rendering.opentype_svg.enabled is true:
 #define VARIANT_OPENTYPE_SVG_KEYWORD 0x40000000
 // Common combinations of variants
 #define VARIANT_AL   (VARIANT_AUTO | VARIANT_LENGTH)
 #define VARIANT_LP   (VARIANT_LENGTH | VARIANT_PERCENT)
 #define VARIANT_LN   (VARIANT_LENGTH | VARIANT_NUMBER)
 #define VARIANT_AH   (VARIANT_AUTO | VARIANT_INHERIT)
 #define VARIANT_AHLP (VARIANT_AH | VARIANT_LP)
 #define VARIANT_AHI  (VARIANT_AH | VARIANT_INTEGER)
 #define VARIANT_AHK  (VARIANT_AH | VARIANT_KEYWORD)
 #define VARIANT_AHKLP (VARIANT_AHLP | VARIANT_KEYWORD)
 #define VARIANT_AHL  (VARIANT_AH | VARIANT_LENGTH)
 #define VARIANT_AHKL (VARIANT_AHK | VARIANT_LENGTH)
 #define VARIANT_HK   (VARIANT_INHERIT | VARIANT_KEYWORD)
 #define VARIANT_HKF  (VARIANT_HK | VARIANT_FREQUENCY)
 #define VARIANT_HKI  (VARIANT_HK | VARIANT_INTEGER)
 #define VARIANT_HKL  (VARIANT_HK | VARIANT_LENGTH)
 #define VARIANT_HKLP (VARIANT_HK | VARIANT_LP)
 #define VARIANT_HKLPO (VARIANT_HKLP | VARIANT_NONE)
 #define VARIANT_HL   (VARIANT_INHERIT | VARIANT_LENGTH)
 #define VARIANT_HI   (VARIANT_INHERIT | VARIANT_INTEGER)
 #define VARIANT_HLP  (VARIANT_HL | VARIANT_PERCENT)
 #define VARIANT_HLPN (VARIANT_HLP | VARIANT_NUMBER)
 #define VARIANT_HLPO (VARIANT_HLP | VARIANT_NONE)
 #define VARIANT_HTP  (VARIANT_INHERIT | VARIANT_TIME | VARIANT_PERCENT)
 #define VARIANT_HMK  (VARIANT_HK | VARIANT_NORMAL)
 #define VARIANT_HC   (VARIANT_INHERIT | VARIANT_COLOR)
 #define VARIANT_HCK  (VARIANT_HK | VARIANT_COLOR)
 #define VARIANT_HUK  (VARIANT_HK | VARIANT_URL)
 #define VARIANT_HUO  (VARIANT_INHERIT | VARIANT_URL | VARIANT_NONE)
 #define VARIANT_AHUO (VARIANT_AUTO | VARIANT_HUO)
 #define VARIANT_HPN  (VARIANT_INHERIT | VARIANT_PERCENT | VARIANT_NUMBER)
 #define VARIANT_PN   (VARIANT_PERCENT | VARIANT_NUMBER)
 #define VARIANT_ALPN (VARIANT_AL | VARIANT_PN)
 #define VARIANT_HN   (VARIANT_INHERIT | VARIANT_NUMBER)
 #define VARIANT_HON  (VARIANT_HN | VARIANT_NONE)
 #define VARIANT_HOS  (VARIANT_INHERIT | VARIANT_NONE | VARIANT_STRING)
 #define VARIANT_LPN  (VARIANT_LP | VARIANT_NUMBER)
 #define VARIANT_UK   (VARIANT_URL | VARIANT_KEYWORD)
 #define VARIANT_UO   (VARIANT_URL | VARIANT_NONE)
 #define VARIANT_ANGLE_OR_ZERO (VARIANT_ANGLE | VARIANT_ZERO_ANGLE)
 #define VARIANT_LCALC  (VARIANT_LENGTH | VARIANT_CALC)
 #define VARIANT_LPCALC (VARIANT_LCALC | VARIANT_PERCENT)
 #define VARIANT_LNCALC (VARIANT_LCALC | VARIANT_NUMBER)
 #define VARIANT_LPNCALC (VARIANT_LNCALC | VARIANT_PERCENT)
 #define VARIANT_IMAGE   (VARIANT_URL | VARIANT_NONE | VARIANT_GRADIENT | \
                         VARIANT_IMAGE_RECT | VARIANT_ELEMENT)
 // Flags for the kFlagsTable bitfield (flags_ in nsCSSPropList.h)
 // A property that is a *-ltr-source or *-rtl-source property for one of
 // the directional pseudo-shorthand properties.
 #define CSS_PROPERTY_DIRECTIONAL_SOURCE           (1<<0)
 #define CSS_PROPERTY_VALUE_LIST_USES_COMMAS       (1<<1) /* otherwise spaces */
 #define CSS_PROPERTY_APPLIES_TO_FIRST_LETTER      (1<<2)
 #define CSS_PROPERTY_APPLIES_TO_FIRST_LINE        (1<<3)
 #define CSS_PROPERTY_APPLIES_TO_FIRST_LETTER_AND_FIRST_LINE \
   (CSS_PROPERTY_APPLIES_TO_FIRST_LETTER | CSS_PROPERTY_APPLIES_TO_FIRST_LINE)
 // Note that 'background-color' is ignored differently from the other
 // properties that have this set, but that's just special-cased.
 #define CSS_PROPERTY_IGNORED_WHEN_COLORS_DISABLED (1<<4)
 // A property that needs to have image loads started when a URL value
 // for the property is used for an element.  This is supported only
 // for a few possible value formats: image directly in the value; list
 // of images; and with CSS_PROPERTY_IMAGE_IS_IN_ARRAY_0, image in slot
 // 0 of an array, or list of such arrays.
 #define CSS_PROPERTY_START_IMAGE_LOADS            (1<<5)
 // Should be set only for properties with START_IMAGE_LOADS.  Indicates
 // that the property has an array value with a URL/image value at index
 // 0 in the array, rather than the URL/image being in the value or value
 // list.
 #define CSS_PROPERTY_IMAGE_IS_IN_ARRAY_0          (1<<6)
 // This is a property for which the computed value should generally be
 // reported as the computed value of a property of a different name.  In
 // particular, the directional box properties (margin-left-value, etc.)
 // should be reported as being margin-left, etc.  Call
 // nsCSSProps::OtherNameFor to get the other property.
 #define CSS_PROPERTY_REPORT_OTHER_NAME            (1<<7)
 // This property allows calc() between lengths and percentages and
 // stores such calc() expressions in its style structs (typically in an
 // nsStyleCoord, although this is not the case for 'background-position'
 // and 'background-size').
 #define CSS_PROPERTY_STORES_CALC                  (1<<8)
 // Define what mechanism the CSS parser uses for parsing the property.
 // See CSSParserImpl::ParseProperty(nsCSSProperty).  Don't use 0 so that
 // we can verify that every property sets one of the values.
 //
 // CSS_PROPERTY_PARSE_FUNCTION must be used for shorthand properties,
 // since it's the only mechanism that allows appending values for
 // separate properties.  Longhand properties that require custom parsing
 // functions should prefer using CSS_PROPERTY_PARSE_VALUE (or
 // CSS_PROPERTY_PARSE_VALUE_LIST) and
 // CSS_PROPERTY_VALUE_PARSER_FUNCTION, though a number of existing
 // longhand properties use CSS_PROPERTY_PARSE_FUNCTION instead.
 #define CSS_PROPERTY_PARSE_PROPERTY_MASK          (7<<9)
 #define CSS_PROPERTY_PARSE_INACCESSIBLE           (1<<9)
 #define CSS_PROPERTY_PARSE_FUNCTION               (2<<9)
 #define CSS_PROPERTY_PARSE_VALUE                  (3<<9)
 #define CSS_PROPERTY_PARSE_VALUE_LIST             (4<<9)
 // See CSSParserImpl::ParseSingleValueProperty and comment above
 // CSS_PROPERTY_PARSE_FUNCTION (which is different).
 #define CSS_PROPERTY_VALUE_PARSER_FUNCTION        (1<<12)
 static_assert((CSS_PROPERTY_PARSE_PROPERTY_MASK &
                CSS_PROPERTY_VALUE_PARSER_FUNCTION) == 0,
               "didn't leave enough room for the parse property constants");
 #define CSS_PROPERTY_VALUE_RESTRICTION_MASK       (3<<13)
 // The parser (in particular, CSSParserImpl::ParseSingleValueProperty)
 // should enforce that the value of this property must be 0 or larger.
 #define CSS_PROPERTY_VALUE_NONNEGATIVE            (1<<13)
 // The parser (in particular, CSSParserImpl::ParseSingleValueProperty)
 // should enforce that the value of this property must be 1 or larger.
 #define CSS_PROPERTY_VALUE_AT_LEAST_ONE           (2<<13)
 // Does this property support the hashless hex color quirk in quirks mode?
 #define CSS_PROPERTY_HASHLESS_COLOR_QUIRK         (1<<15)
 // Does this property support the unitless length quirk in quirks mode?
 #define CSS_PROPERTY_UNITLESS_LENGTH_QUIRK        (1<<16)
 // Is this property (which must be a shorthand) really an alias?
 #define CSS_PROPERTY_IS_ALIAS                     (1<<17)
 // Does the property apply to ::-moz-placeholder?
 #define CSS_PROPERTY_APPLIES_TO_PLACEHOLDER       (1<<18)
 // This property is allowed in an @page rule.
 #define CSS_PROPERTY_APPLIES_TO_PAGE_RULE         (1<<19)
 // This property's getComputedStyle implementation requires layout to be
 // flushed.
 #define CSS_PROPERTY_GETCS_NEEDS_LAYOUT_FLUSH     (1<<20)
 // This property requires a stacking context.
 #define CSS_PROPERTY_CREATES_STACKING_CONTEXT     (1<<21)
 // This property is always enabled in UA sheets.  This is meant to be used
 // together with a pref that enables the property for non-UA sheets.
 // Note that if such a property has an alias, then any use of that alias
 // in an UA sheet will still be ignored unless the pref is enabled.
 // In other words, this bit has no effect on the use of aliases.
 #define CSS_PROPERTY_ALWAYS_ENABLED_IN_UA_SHEETS  (1<<22)
 // This property is always enabled in chrome and in certified apps. This is
 // meant to be used together with a pref that enables the property for
 // non-privileged content. Note that if such a property has an alias, then any
 // use of that alias in privileged content will still be ignored unless the
 // pref is enabled. In other words, this bit has no effect on the use of
 // aliases.
 #define CSS_PROPERTY_ALWAYS_ENABLED_IN_CHROME_OR_CERTIFIED_APP (1<<23)
 /**
  * Types of animatable values.
  */
 enum nsStyleAnimType {
   // requires a custom implementation in
   // nsStyleAnimation::ExtractComputedValue
   eStyleAnimType_Custom,
   // nsStyleCoord with animatable values
   eStyleAnimType_Coord,
   // same as Coord, except for one side of an nsStyleSides
   // listed in the same order as the NS_STYLE_* constants
   eStyleAnimType_Sides_Top,
   eStyleAnimType_Sides_Right,
   eStyleAnimType_Sides_Bottom,
   eStyleAnimType_Sides_Left,
   // similar, but for the *pair* of coord members of an nsStyleCorners
   // for the relevant corner
   eStyleAnimType_Corner_TopLeft,
   eStyleAnimType_Corner_TopRight,
   eStyleAnimType_Corner_BottomRight,
   eStyleAnimType_Corner_BottomLeft,
   // nscoord values
   eStyleAnimType_nscoord,
   // enumerated values (stored in a uint8_t)
   // In order for a property to use this unit, _all_ of its enumerated values
   // must be listed in its keyword table, so that any enumerated value can be
   // converted into a string via a nsCSSValue of type eCSSUnit_Enumerated.
   eStyleAnimType_EnumU8,
   // float values
   eStyleAnimType_float,
   // nscolor values
   eStyleAnimType_Color,
   // nsStyleSVGPaint values
   eStyleAnimType_PaintServer,
   // nsRefPtr<nsCSSShadowArray> values
   eStyleAnimType_Shadow,
   // property not animatable
   eStyleAnimType_None
 };
 class nsCSSProps {
 public:
   typedef int16_t KTableValue;
   static void AddRefTable(void);
   static void ReleaseTable(void);
   enum EnabledState {
     // The default EnabledState: only enable what's enabled for all content,
     // given the current values of preferences.
     eEnabledForAllContent = 0,
     // Enable a property in UA sheets.
     eEnabledInUASheets    = 0x01,
     // Enable a property in privileged content, i.e. chrome or Certified Apps
     eEnabledInChromeOrCertifiedApp = 0x02,
     // Special value to unconditionally enable a property. This implies all the
     // bits above, but is strictly more than just their OR-ed union.
     // This just skips any test so a property will be enabled even if it would
     // have been disabled with all the bits above set.
     eIgnoreEnabledState   = 0xff
   };
   // Looks up the property with name aProperty and returns its corresponding
   // nsCSSProperty value.  If aProperty is the name of a custom property,
   // then eCSSPropertyExtra_variable will be returned.
   static nsCSSProperty LookupProperty(const nsAString& aProperty,
                                       EnabledState aEnabled);
   static nsCSSProperty LookupProperty(const nsACString& aProperty,
                                       EnabledState aEnabled);
   // Returns whether aProperty is a custom property name, i.e. begins with
   // "--".  This assumes that the CSS Variables pref has been enabled.
   static bool IsCustomPropertyName(const nsAString& aProperty);
   static bool IsCustomPropertyName(const nsACString& aProperty);
   static inline bool IsShorthand(nsCSSProperty aProperty) {
     NS_ABORT_IF_FALSE(0 <= aProperty && aProperty < eCSSProperty_COUNT,
                  "out of range");
     return (aProperty >= eCSSProperty_COUNT_no_shorthands);
   }
   // Must be given a longhand property.
   static bool IsInherited(nsCSSProperty aProperty);
   // Same but for @font-face descriptors
   static nsCSSFontDesc LookupFontDesc(const nsAString& aProperty);
   static nsCSSFontDesc LookupFontDesc(const nsACString& aProperty);
   // Given a property enum, get the string value
   static const nsAFlatCString& GetStringValue(nsCSSProperty aProperty);
   static const nsAFlatCString& GetStringValue(nsCSSFontDesc aFontDesc);
   // Get the property to report the computed value of aProperty as being
   // the computed value of.  aProperty must have the
   // CSS_PROPERTY_REPORT_OTHER_NAME bit set.
   static nsCSSProperty OtherNameFor(nsCSSProperty aProperty);
   // Given a CSS Property and a Property Enum Value
   // Return back a const nsString& representation of the
   // value. Return back nullstr if no value is found
   static const nsAFlatCString& LookupPropertyValue(nsCSSProperty aProperty, int32_t aValue);
   // Get a color name for a predefined color value like buttonhighlight or activeborder
   // Sets the aStr param to the name of the propertyID
   static bool GetColorName(int32_t aPropID, nsCString &aStr);
   // Returns the index of |aKeyword| in |aTable|, if it exists there;
   // otherwise, returns -1.
   // NOTE: Generally, clients should call FindKeyword() instead of this method.
   static int32_t FindIndexOfKeyword(nsCSSKeyword aKeyword,
                                     const KTableValue aTable[]);
   // Find |aKeyword| in |aTable|, if found set |aValue| to its corresponding value.
   // If not found, return false and do not set |aValue|.
   static bool FindKeyword(nsCSSKeyword aKeyword, const KTableValue aTable[],
                           int32_t& aValue);
   // Return the first keyword in |aTable| that has the corresponding value |aValue|.
   // Return |eCSSKeyword_UNKNOWN| if not found.
   static nsCSSKeyword ValueToKeywordEnum(int32_t aValue,
                                          const KTableValue aTable[]);
   // Ditto but as a string, return "" when not found.
   static const nsAFlatCString& ValueToKeyword(int32_t aValue,
                                               const KTableValue aTable[]);
   static const nsStyleStructID kSIDTable[eCSSProperty_COUNT_no_shorthands];
   static const KTableValue* const kKeywordTableTable[eCSSProperty_COUNT_no_shorthands];
   static const nsStyleAnimType kAnimTypeTable[eCSSProperty_COUNT_no_shorthands];
   static const ptrdiff_t
     kStyleStructOffsetTable[eCSSProperty_COUNT_no_shorthands];
 private:
   static const uint32_t        kFlagsTable[eCSSProperty_COUNT];
 public:
   static inline bool PropHasFlags(nsCSSProperty aProperty, uint32_t aFlags)
   {
     NS_ABORT_IF_FALSE(0 <= aProperty && aProperty < eCSSProperty_COUNT,
                       "out of range");
     MOZ_ASSERT(!(aFlags & CSS_PROPERTY_PARSE_PROPERTY_MASK),
                "The CSS_PROPERTY_PARSE_* values are not bitflags; don't pass "
                "them to PropHasFlags.  You probably want PropertyParseType "
                "instead.");
     return (nsCSSProps::kFlagsTable[aProperty] & aFlags) == aFlags;
   }
   static inline uint32_t PropertyParseType(nsCSSProperty aProperty)
   {
     NS_ABORT_IF_FALSE(0 <= aProperty && aProperty < eCSSProperty_COUNT,
                       "out of range");
     return nsCSSProps::kFlagsTable[aProperty] &
            CSS_PROPERTY_PARSE_PROPERTY_MASK;
   }
   static inline uint32_t ValueRestrictions(nsCSSProperty aProperty)
   {
     NS_ABORT_IF_FALSE(0 <= aProperty && aProperty < eCSSProperty_COUNT,
                       "out of range");
     return nsCSSProps::kFlagsTable[aProperty] &
            CSS_PROPERTY_VALUE_RESTRICTION_MASK;
   }
 private:
   // Lives in nsCSSParser.cpp for the macros it depends on.
   static const uint32_t kParserVariantTable[eCSSProperty_COUNT_no_shorthands];
 public:
   static inline uint32_t ParserVariant(nsCSSProperty aProperty) {
     NS_ABORT_IF_FALSE(0 <= aProperty &&
                       aProperty < eCSSProperty_COUNT_no_shorthands,
                       "out of range");
     return nsCSSProps::kParserVariantTable[aProperty];
   }
 private:
   // A table for shorthand properties.  The appropriate index is the
   // property ID minus eCSSProperty_COUNT_no_shorthands.
   static const nsCSSProperty *const
     kSubpropertyTable[eCSSProperty_COUNT - eCSSProperty_COUNT_no_shorthands];
 public:
   static inline
   const nsCSSProperty * SubpropertyEntryFor(nsCSSProperty aProperty) {
     NS_ABORT_IF_FALSE(eCSSProperty_COUNT_no_shorthands <= aProperty &&
                       aProperty < eCSSProperty_COUNT,
                       "out of range");
     return nsCSSProps::kSubpropertyTable[aProperty -
                                          eCSSProperty_COUNT_no_shorthands];
   }
   // Returns an eCSSProperty_UNKNOWN-terminated array of the shorthand
   // properties containing |aProperty|, sorted from those that contain
   // the most properties to those that contain the least.
   static const nsCSSProperty * ShorthandsContaining(nsCSSProperty aProperty) {
     NS_ABORT_IF_FALSE(gShorthandsContainingPool, "uninitialized");
     NS_ABORT_IF_FALSE(0 <= aProperty &&
                       aProperty < eCSSProperty_COUNT_no_shorthands,
                       "out of range");
     return gShorthandsContainingTable[aProperty];
   }
 private:
   // gShorthandsContainingTable is an array of the return values for
   // ShorthandsContaining (arrays of nsCSSProperty terminated by
   // eCSSProperty_UNKNOWN) pointing into memory in
   // gShorthandsContainingPool (which contains all of those arrays in a
   // single allocation, and is the one pointer that should be |free|d).
   static nsCSSProperty *gShorthandsContainingTable[eCSSProperty_COUNT_no_shorthands];
   static nsCSSProperty* gShorthandsContainingPool;
   static bool BuildShorthandsContainingTable();
 private:
   static const size_t gPropertyCountInStruct[nsStyleStructID_Length];
   static const size_t gPropertyIndexInStruct[eCSSProperty_COUNT_no_shorthands];
 public:
   /**
    * Return the number of properties that must be cascaded when
    * nsRuleNode builds the nsStyle* for aSID.
    */
   static size_t PropertyCountInStruct(nsStyleStructID aSID) {
     NS_ABORT_IF_FALSE(0 <= aSID && aSID < nsStyleStructID_Length,
                       "out of range");
     return gPropertyCountInStruct[aSID];
   }
   /**
    * Return an index for aProperty that is unique within its SID and in
    * the range 0 <= index < PropertyCountInStruct(aSID).
    */
   static size_t PropertyIndexInStruct(nsCSSProperty aProperty) {
     NS_ABORT_IF_FALSE(0 <= aProperty &&
                          aProperty < eCSSProperty_COUNT_no_shorthands,
                       "out of range");
     return gPropertyIndexInStruct[aProperty];
   }
 private:
   static bool gPropertyEnabled[eCSSProperty_COUNT_with_aliases];
 public:
   static bool IsEnabled(nsCSSProperty aProperty) {
     NS_ABORT_IF_FALSE(0 <= aProperty &&
                       aProperty < eCSSProperty_COUNT_with_aliases,
                       "out of range");
     return gPropertyEnabled[aProperty];
   }
   static bool IsEnabled(nsCSSProperty aProperty, EnabledState aEnabled)
   {
     if (IsEnabled(aProperty)) {
       return true;
     }
     if (aEnabled == eIgnoreEnabledState) {
       return true;
     }
     if ((aEnabled & eEnabledInUASheets) &&
         PropHasFlags(aProperty, CSS_PROPERTY_ALWAYS_ENABLED_IN_UA_SHEETS))
     {
       return true;
     }
     if ((aEnabled & eEnabledInChromeOrCertifiedApp) &&
         PropHasFlags(aProperty, CSS_PROPERTY_ALWAYS_ENABLED_IN_CHROME_OR_CERTIFIED_APP))
     {
       return true;
     }
     return false;
   }
 public:
 #define CSSPROPS_FOR_SHORTHAND_SUBPROPERTIES(iter_, prop_)                    \
   for (const nsCSSProperty* iter_ = nsCSSProps::SubpropertyEntryFor(prop_);   \
        *iter_ != eCSSProperty_UNKNOWN; ++iter_) \
     if (nsCSSProps::IsEnabled(*iter_))
   // Keyword/Enum value tables
   static const KTableValue kAnimationDirectionKTable[];
   static const KTableValue kAnimationFillModeKTable[];
   static const KTableValue kAnimationIterationCountKTable[];
   static const KTableValue kAnimationPlayStateKTable[];
   static const KTableValue kAnimationTimingFunctionKTable[];
   static const KTableValue kAppearanceKTable[];
   static const KTableValue kAzimuthKTable[];
   static const KTableValue kBackfaceVisibilityKTable[];
   static const KTableValue kTransformStyleKTable[];
   static const KTableValue kBackgroundAttachmentKTable[];
   static const KTableValue kBackgroundInlinePolicyKTable[];
   static const KTableValue kBackgroundOriginKTable[];
   static const KTableValue kBackgroundPositionKTable[];
   static const KTableValue kBackgroundRepeatKTable[];
   static const KTableValue kBackgroundRepeatPartKTable[];
   static const KTableValue kBackgroundSizeKTable[];
   static const KTableValue kBlendModeKTable[];
   static const KTableValue kBorderCollapseKTable[];
   static const KTableValue kBorderColorKTable[];
   static const KTableValue kBorderImageRepeatKTable[];
   static const KTableValue kBorderImageSliceKTable[];
   static const KTableValue kBorderStyleKTable[];
   static const KTableValue kBorderWidthKTable[];
   static const KTableValue kBoxAlignKTable[];
   static const KTableValue kBoxDirectionKTable[];
   static const KTableValue kBoxOrientKTable[];
   static const KTableValue kBoxPackKTable[];
   static const KTableValue kDominantBaselineKTable[];
   static const KTableValue kFillRuleKTable[];
   static const KTableValue kFilterFunctionKTable[];
   static const KTableValue kImageRenderingKTable[];
   static const KTableValue kShapeRenderingKTable[];
   static const KTableValue kStrokeLinecapKTable[];
   static const KTableValue kStrokeLinejoinKTable[];
   static const KTableValue kStrokeContextValueKTable[];
   static const KTableValue kVectorEffectKTable[];
   static const KTableValue kTextAnchorKTable[];
   static const KTableValue kTextRenderingKTable[];
   static const KTableValue kColorInterpolationKTable[];
   static const KTableValue kColumnFillKTable[];
   static const KTableValue kBoxPropSourceKTable[];
   static const KTableValue kBoxShadowTypeKTable[];
   static const KTableValue kBoxSizingKTable[];
   static const KTableValue kCaptionSideKTable[];
   static const KTableValue kClearKTable[];
   static const KTableValue kColorKTable[];
   static const KTableValue kContentKTable[];
   static const KTableValue kControlCharacterVisibilityKTable[];
   static const KTableValue kCursorKTable[];
   static const KTableValue kDirectionKTable[];
   // Not const because we modify its entries when the pref
   // "layout.css.grid.enabled" changes:
   static KTableValue kDisplayKTable[];
   static const KTableValue kElevationKTable[];
   static const KTableValue kEmptyCellsKTable[];
   static const KTableValue kAlignContentKTable[];
   static const KTableValue kAlignItemsKTable[];
   static const KTableValue kAlignSelfKTable[];
   static const KTableValue kFlexDirectionKTable[];
   static const KTableValue kFlexWrapKTable[];
   static const KTableValue kJustifyContentKTable[];
   static const KTableValue kFloatKTable[];
   static const KTableValue kFloatEdgeKTable[];
   static const KTableValue kFontKTable[];
   static const KTableValue kFontKerningKTable[];
   static const KTableValue kFontSizeKTable[];
   static const KTableValue kFontSmoothingKTable[];
   static const KTableValue kFontStretchKTable[];
   static const KTableValue kFontStyleKTable[];
   static const KTableValue kFontSynthesisKTable[];
   static const KTableValue kFontVariantKTable[];
   static const KTableValue kFontVariantAlternatesKTable[];
   static const KTableValue kFontVariantAlternatesFuncsKTable[];
   static const KTableValue kFontVariantCapsKTable[];
   static const KTableValue kFontVariantEastAsianKTable[];
   static const KTableValue kFontVariantLigaturesKTable[];
   static const KTableValue kFontVariantNumericKTable[];
   static const KTableValue kFontVariantPositionKTable[];
   static const KTableValue kFontWeightKTable[];
   static const KTableValue kGridAutoFlowKTable[];
   static const KTableValue kGridTrackBreadthKTable[];
   static const KTableValue kImageOrientationKTable[];
   static const KTableValue kImageOrientationFlipKTable[];
   static const KTableValue kIMEModeKTable[];
   static const KTableValue kLineHeightKTable[];
   static const KTableValue kListStylePositionKTable[];
   static const KTableValue kListStyleKTable[];
   static const KTableValue kMaskTypeKTable[];
   static const KTableValue kMathVariantKTable[];
   static const KTableValue kMathDisplayKTable[];
   static const KTableValue kContextOpacityKTable[];
   static const KTableValue kContextPatternKTable[];
   static const KTableValue kOrientKTable[];
   static const KTableValue kOutlineStyleKTable[];
   static const KTableValue kOutlineColorKTable[];
   static const KTableValue kOverflowKTable[];
   static const KTableValue kOverflowSubKTable[];
   static const KTableValue kOverflowClipBoxKTable[];
   static const KTableValue kPageBreakKTable[];
   static const KTableValue kPageBreakInsideKTable[];
   static const KTableValue kPageMarksKTable[];
   static const KTableValue kPageSizeKTable[];
   static const KTableValue kPitchKTable[];
   static const KTableValue kPointerEventsKTable[];
   // Not const because we modify its entries when the pref
   // "layout.css.sticky.enabled" changes:
   static KTableValue kPositionKTable[];
   static const KTableValue kRadialGradientShapeKTable[];
   static const KTableValue kRadialGradientSizeKTable[];
   static const KTableValue kRadialGradientLegacySizeKTable[];
   static const KTableValue kResizeKTable[];
   static const KTableValue kSpeakKTable[];
   static const KTableValue kSpeakHeaderKTable[];
   static const KTableValue kSpeakNumeralKTable[];
   static const KTableValue kSpeakPunctuationKTable[];
   static const KTableValue kSpeechRateKTable[];
   static const KTableValue kStackSizingKTable[];
   static const KTableValue kTableLayoutKTable[];
   // Not const because we modify its entries when the pref
   // "layout.css.text-align-true-value.enabled" changes:
   static KTableValue kTextAlignKTable[];
   static KTableValue kTextAlignLastKTable[];
   static const KTableValue kTextCombineUprightKTable[];
   static const KTableValue kTextDecorationLineKTable[];
   static const KTableValue kTextDecorationStyleKTable[];
   static const KTableValue kTextOrientationKTable[];
   static const KTableValue kTextOverflowKTable[];
   static const KTableValue kTextTransformKTable[];
   static const KTableValue kTouchActionKTable[];
   static const KTableValue kTransitionTimingFunctionKTable[];
   static const KTableValue kUnicodeBidiKTable[];
   static const KTableValue kUserFocusKTable[];
   static const KTableValue kUserInputKTable[];
   static const KTableValue kUserModifyKTable[];
   static const KTableValue kUserSelectKTable[];
   static const KTableValue kVerticalAlignKTable[];
   static const KTableValue kVisibilityKTable[];
   static const KTableValue kVolumeKTable[];
   static const KTableValue kWhitespaceKTable[];
   static const KTableValue kWidthKTable[]; // also min-width, max-width
   static const KTableValue kWindowShadowKTable[];
   static const KTableValue kWordBreakKTable[];
   static const KTableValue kWordWrapKTable[];
   static const KTableValue kWritingModeKTable[];
   static const KTableValue kHyphensKTable[];
 };
 inline nsCSSProps::EnabledState operator|(nsCSSProps::EnabledState a,
                                           nsCSSProps::EnabledState b)
 {
   return nsCSSProps::EnabledState(int(a) | int(b));
 }
 inline nsCSSProps::EnabledState operator&(nsCSSProps::EnabledState a,
                                           nsCSSProps::EnabledState b)
 {
   return nsCSSProps::EnabledState(int(a) & int(b));
 }
 inline nsCSSProps::EnabledState& operator|=(nsCSSProps::EnabledState& a,
                                             nsCSSProps::EnabledState b)
 {
   return a = a | b;
 }
 inline nsCSSProps::EnabledState& operator&=(nsCSSProps::EnabledState& a,
                                             nsCSSProps::EnabledState b)
 {
   return a = a & b;
 }
 #endif /* nsCSSProps_h___ */

The Tor Browser / annotate

layout/style/nsCSSProps.h@925c144e1f1f (annotated)

layout/style/nsCSSProps.h