mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
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4e04894b0f
Backed out changeset 8a9d8a556183 (bug 1126230) Backed out changeset 441b55f015c2 (bug 1126230) Backed out changeset 7bfa2a2d4e29 (bug 1126230) Backed out changeset b55511536c65 (bug 1126230) Backed out changeset ada76e419aac (bug 1126230) Backed out changeset 745d659bef49 (bug 1126230) Backed out changeset 7c303cc4c30b (bug 1126230) Backed out changeset 8bf708acbad4 (bug 1126230) Backed out changeset 590404aac357 (bug 1126230)
797 lines
35 KiB
C++
797 lines
35 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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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 "nsCSSProperty.h"
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#include "nsStyleStructFwd.h"
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#include "nsCSSKeywords.h"
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#include "mozilla/UseCounter.h"
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// Length of the "--" prefix on custom names (such as custom property names,
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// and, in the future, custom media query names).
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#define CSS_CUSTOM_NAME_PREFIX_LENGTH 2
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// Flags for ParseVariant method
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#define VARIANT_KEYWORD 0x000001 // K
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#define VARIANT_LENGTH 0x000002 // L
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#define VARIANT_PERCENT 0x000004 // P
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#define VARIANT_COLOR 0x000008 // C eCSSUnit_*Color, eCSSUnit_Ident (e.g. "red")
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#define VARIANT_URL 0x000010 // U
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#define VARIANT_NUMBER 0x000020 // N
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#define VARIANT_INTEGER 0x000040 // I
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#define VARIANT_ANGLE 0x000080 // G
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#define VARIANT_FREQUENCY 0x000100 // F
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#define VARIANT_TIME 0x000200 // T
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#define VARIANT_STRING 0x000400 // S
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#define VARIANT_COUNTER 0x000800 //
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#define VARIANT_ATTR 0x001000 //
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#define VARIANT_IDENTIFIER 0x002000 // D
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#define VARIANT_IDENTIFIER_NO_INHERIT 0x004000 // like above, but excluding
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// 'inherit' and 'initial'
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#define VARIANT_AUTO 0x010000 // A
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#define VARIANT_INHERIT 0x020000 // H eCSSUnit_Initial, eCSSUnit_Inherit, eCSSUnit_Unset
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#define VARIANT_NONE 0x040000 // O
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#define VARIANT_NORMAL 0x080000 // M
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#define VARIANT_SYSFONT 0x100000 // eCSSUnit_System_Font
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#define VARIANT_GRADIENT 0x200000 // eCSSUnit_Gradient
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#define VARIANT_TIMING_FUNCTION 0x400000 // cubic-bezier() and steps()
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#define VARIANT_ALL 0x800000 //
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#define VARIANT_IMAGE_RECT 0x01000000 // eCSSUnit_Function
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// This is an extra bit that says that a VARIANT_ANGLE allows unitless zero:
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#define VARIANT_ZERO_ANGLE 0x02000000 // unitless zero for angles
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#define VARIANT_CALC 0x04000000 // eCSSUnit_Calc
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#define VARIANT_ELEMENT 0x08000000 // eCSSUnit_Element
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#define VARIANT_POSITIVE_DIMENSION 0x10000000 // Only lengths greater than 0.0
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#define VARIANT_NONNEGATIVE_DIMENSION 0x20000000 // Only lengths greater than or equal to 0.0
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// Keyword used iff gfx.font_rendering.opentype_svg.enabled is true:
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#define VARIANT_OPENTYPE_SVG_KEYWORD 0x40000000
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// Common combinations of variants
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#define VARIANT_AL (VARIANT_AUTO | VARIANT_LENGTH)
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#define VARIANT_LP (VARIANT_LENGTH | VARIANT_PERCENT)
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#define VARIANT_LN (VARIANT_LENGTH | VARIANT_NUMBER)
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#define VARIANT_AH (VARIANT_AUTO | VARIANT_INHERIT)
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#define VARIANT_AHLP (VARIANT_AH | VARIANT_LP)
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#define VARIANT_AHI (VARIANT_AH | VARIANT_INTEGER)
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#define VARIANT_AHK (VARIANT_AH | VARIANT_KEYWORD)
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#define VARIANT_AHKLP (VARIANT_AHLP | VARIANT_KEYWORD)
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#define VARIANT_AHL (VARIANT_AH | VARIANT_LENGTH)
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#define VARIANT_AHKL (VARIANT_AHK | VARIANT_LENGTH)
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#define VARIANT_HK (VARIANT_INHERIT | VARIANT_KEYWORD)
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#define VARIANT_HKF (VARIANT_HK | VARIANT_FREQUENCY)
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#define VARIANT_HKI (VARIANT_HK | VARIANT_INTEGER)
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#define VARIANT_HKL (VARIANT_HK | VARIANT_LENGTH)
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#define VARIANT_HKLP (VARIANT_HK | VARIANT_LP)
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#define VARIANT_HKLPO (VARIANT_HKLP | VARIANT_NONE)
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#define VARIANT_HL (VARIANT_INHERIT | VARIANT_LENGTH)
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#define VARIANT_HI (VARIANT_INHERIT | VARIANT_INTEGER)
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#define VARIANT_HLP (VARIANT_HL | VARIANT_PERCENT)
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#define VARIANT_HLPN (VARIANT_HLP | VARIANT_NUMBER)
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#define VARIANT_HLPO (VARIANT_HLP | VARIANT_NONE)
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#define VARIANT_HTP (VARIANT_INHERIT | VARIANT_TIME | VARIANT_PERCENT)
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#define VARIANT_HMK (VARIANT_HK | VARIANT_NORMAL)
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#define VARIANT_HC (VARIANT_INHERIT | VARIANT_COLOR)
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#define VARIANT_HCK (VARIANT_HK | VARIANT_COLOR)
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#define VARIANT_HUK (VARIANT_HK | VARIANT_URL)
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#define VARIANT_HUO (VARIANT_INHERIT | VARIANT_URL | VARIANT_NONE)
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#define VARIANT_AHUO (VARIANT_AUTO | VARIANT_HUO)
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#define VARIANT_HPN (VARIANT_INHERIT | VARIANT_PERCENT | VARIANT_NUMBER)
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#define VARIANT_PN (VARIANT_PERCENT | VARIANT_NUMBER)
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#define VARIANT_ALPN (VARIANT_AL | VARIANT_PN)
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#define VARIANT_HN (VARIANT_INHERIT | VARIANT_NUMBER)
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#define VARIANT_HON (VARIANT_HN | VARIANT_NONE)
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#define VARIANT_HOS (VARIANT_INHERIT | VARIANT_NONE | VARIANT_STRING)
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#define VARIANT_LPN (VARIANT_LP | VARIANT_NUMBER)
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#define VARIANT_UK (VARIANT_URL | VARIANT_KEYWORD)
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#define VARIANT_UO (VARIANT_URL | VARIANT_NONE)
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#define VARIANT_ANGLE_OR_ZERO (VARIANT_ANGLE | VARIANT_ZERO_ANGLE)
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#define VARIANT_LCALC (VARIANT_LENGTH | VARIANT_CALC)
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#define VARIANT_LPCALC (VARIANT_LCALC | VARIANT_PERCENT)
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#define VARIANT_LNCALC (VARIANT_LCALC | VARIANT_NUMBER)
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#define VARIANT_LPNCALC (VARIANT_LNCALC | VARIANT_PERCENT)
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#define VARIANT_IMAGE (VARIANT_URL | VARIANT_NONE | VARIANT_GRADIENT | \
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VARIANT_IMAGE_RECT | VARIANT_ELEMENT)
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// Flags for the kFlagsTable bitfield (flags_ in nsCSSPropList.h)
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// This property is a logical property (such as padding-inline-start).
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#define CSS_PROPERTY_LOGICAL (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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// Note that 'background-color' is ignored differently from the other
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// properties that have this set, but that's just special-cased.
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#define CSS_PROPERTY_IGNORED_WHEN_COLORS_DISABLED (1<<4)
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// A property that needs to have image loads started when a URL value
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// for the property is used for an element. This is supported only
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// for a few possible value formats: image directly in the value; list
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// of images; and with CSS_PROPERTY_IMAGE_IS_IN_ARRAY_0, image in slot
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// 0 of an array, or list of such arrays.
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#define CSS_PROPERTY_START_IMAGE_LOADS (1<<5)
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// Should be set only for properties with START_IMAGE_LOADS. Indicates
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// that the property has an array value with a URL/image value at index
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// 0 in the array, rather than the URL/image being in the value or value
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// list.
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#define CSS_PROPERTY_IMAGE_IS_IN_ARRAY_0 (1<<6)
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// This is a logical property that represents some value associated with
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// a logical axis rather than a logical box side, and thus has two
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// corresponding physical properties it could set rather than four. For
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// example, the block-size logical property has this flag set, as it
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// represents the size in either the block or inline axis dimensions, and
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// has two corresponding physical properties, width and height. Must not
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// be used in conjunction with CSS_PROPERTY_LOGICAL_END_EDGE.
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#define CSS_PROPERTY_LOGICAL_AXIS (1<<7)
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// This property allows calc() between lengths and percentages and
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// stores such calc() expressions in its style structs (typically in an
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// nsStyleCoord, although this is not the case for 'background-position'
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// and 'background-size').
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#define CSS_PROPERTY_STORES_CALC (1<<8)
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// Define what mechanism the CSS parser uses for parsing the property.
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// See CSSParserImpl::ParseProperty(nsCSSProperty). Don't use 0 so that
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// we can verify that every property sets one of the values.
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//
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// CSS_PROPERTY_PARSE_FUNCTION must be used for shorthand properties,
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// since it's the only mechanism that allows appending values for
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// separate properties. Longhand properties that require custom parsing
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// functions should prefer using CSS_PROPERTY_PARSE_VALUE (or
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// CSS_PROPERTY_PARSE_VALUE_LIST) and
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// CSS_PROPERTY_VALUE_PARSER_FUNCTION, though a number of existing
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// longhand properties use CSS_PROPERTY_PARSE_FUNCTION instead.
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#define CSS_PROPERTY_PARSE_PROPERTY_MASK (7<<9)
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#define CSS_PROPERTY_PARSE_INACCESSIBLE (1<<9)
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#define CSS_PROPERTY_PARSE_FUNCTION (2<<9)
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#define CSS_PROPERTY_PARSE_VALUE (3<<9)
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#define CSS_PROPERTY_PARSE_VALUE_LIST (4<<9)
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// See CSSParserImpl::ParseSingleValueProperty and comment above
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// CSS_PROPERTY_PARSE_FUNCTION (which is different).
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#define CSS_PROPERTY_VALUE_PARSER_FUNCTION (1<<12)
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static_assert((CSS_PROPERTY_PARSE_PROPERTY_MASK &
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CSS_PROPERTY_VALUE_PARSER_FUNCTION) == 0,
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"didn't leave enough room for the parse property constants");
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#define CSS_PROPERTY_VALUE_RESTRICTION_MASK (3<<13)
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// The parser (in particular, CSSParserImpl::ParseSingleValueProperty)
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// should enforce that the value of this property must be 0 or larger.
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#define CSS_PROPERTY_VALUE_NONNEGATIVE (1<<13)
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// The parser (in particular, CSSParserImpl::ParseSingleValueProperty)
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// should enforce that the value of this property must be 1 or larger.
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#define CSS_PROPERTY_VALUE_AT_LEAST_ONE (2<<13)
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// Does this property support the hashless hex color quirk in quirks mode?
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#define CSS_PROPERTY_HASHLESS_COLOR_QUIRK (1<<15)
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// Does this property support the unitless length quirk in quirks mode?
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#define CSS_PROPERTY_UNITLESS_LENGTH_QUIRK (1<<16)
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// Is this property (which must be a shorthand) really an alias?
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#define CSS_PROPERTY_IS_ALIAS (1<<17)
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// Does the property apply to ::-moz-placeholder?
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#define CSS_PROPERTY_APPLIES_TO_PLACEHOLDER (1<<18)
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// This property is allowed in an @page rule.
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#define CSS_PROPERTY_APPLIES_TO_PAGE_RULE (1<<19)
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// This property's getComputedStyle implementation requires layout to be
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// flushed.
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#define CSS_PROPERTY_GETCS_NEEDS_LAYOUT_FLUSH (1<<20)
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// This property requires a stacking context.
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#define CSS_PROPERTY_CREATES_STACKING_CONTEXT (1<<21)
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// The following two flags along with the pref defines where the this
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// property can be used:
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// * If none of the two flags is presented, the pref completely controls
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// the availability of this property. And in that case, if it has no
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// pref, this property is usable everywhere.
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// * If any of the flags is set, this property is always enabled in the
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// specific contexts regardless of the value of the pref. If there is
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// no pref for this property at all in this case, it is an internal-
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// only property, which cannot be used anywhere else, and should be
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// wrapped in "#ifndef CSS_PROP_LIST_EXCLUDE_INTERNAL".
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// Note that, these flags have no effect on the use of aliases of this
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// property.
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#define CSS_PROPERTY_ENABLED_MASK (3<<22)
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#define CSS_PROPERTY_ENABLED_IN_UA_SHEETS (1<<22)
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#define CSS_PROPERTY_ENABLED_IN_CHROME (1<<23)
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#define CSS_PROPERTY_ENABLED_IN_UA_SHEETS_AND_CHROME \
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(CSS_PROPERTY_ENABLED_IN_UA_SHEETS | CSS_PROPERTY_ENABLED_IN_CHROME)
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// This property's unitless values are pixels.
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#define CSS_PROPERTY_NUMBERS_ARE_PIXELS (1<<24)
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// This property is a logical property for one of the two block axis
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// sides (such as margin-block-start or margin-block-end). Must only be
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// set if CSS_PROPERTY_LOGICAL is set. When not set, the logical
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// property is for one of the two inline axis sides (such as
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// margin-inline-start or margin-inline-end).
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#define CSS_PROPERTY_LOGICAL_BLOCK_AXIS (1<<25)
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// This property is a logical property for the "end" edge of the
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// axis determined by the presence or absence of
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// CSS_PROPERTY_LOGICAL_BLOCK_AXIS (such as margin-block-end or
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// margin-inline-end). Must only be set if CSS_PROPERTY_LOGICAL is set.
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// When not set, the logical property is for the "start" edge (such as
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// margin-block-start or margin-inline-start).
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#define CSS_PROPERTY_LOGICAL_END_EDGE (1<<26)
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// This property can be animated on the compositor.
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#define CSS_PROPERTY_CAN_ANIMATE_ON_COMPOSITOR (1<<27)
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// This property is an internal property that is not represented
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// in the DOM. Properties with this flag must be defined in an #ifndef
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// CSS_PROP_LIST_EXCLUDE_INTERNAL section of nsCSSPropList.h.
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#define CSS_PROPERTY_INTERNAL (1<<28)
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/**
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* Types of animatable values.
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*/
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enum nsStyleAnimType {
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// requires a custom implementation in
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// StyleAnimationValue::ExtractComputedValue
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eStyleAnimType_Custom,
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// nsStyleCoord with animatable values
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eStyleAnimType_Coord,
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// same as Coord, except for one side of an nsStyleSides
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// listed in the same order as the NS_STYLE_* constants
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eStyleAnimType_Sides_Top,
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eStyleAnimType_Sides_Right,
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eStyleAnimType_Sides_Bottom,
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eStyleAnimType_Sides_Left,
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// similar, but for the *pair* of coord members of an nsStyleCorners
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// for the relevant corner
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eStyleAnimType_Corner_TopLeft,
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eStyleAnimType_Corner_TopRight,
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eStyleAnimType_Corner_BottomRight,
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eStyleAnimType_Corner_BottomLeft,
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// nscoord values
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eStyleAnimType_nscoord,
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// enumerated values (stored in a uint8_t)
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// In order for a property to use this unit, _all_ of its enumerated values
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// must be listed in its keyword table, so that any enumerated value can be
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// converted into a string via a nsCSSValue of type eCSSUnit_Enumerated.
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eStyleAnimType_EnumU8,
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// float values
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eStyleAnimType_float,
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// nscolor values
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eStyleAnimType_Color,
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// nsStyleSVGPaint values
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eStyleAnimType_PaintServer,
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// nsRefPtr<nsCSSShadowArray> values
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eStyleAnimType_Shadow,
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// property not animatable
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eStyleAnimType_None
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};
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class nsCSSProps {
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public:
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typedef int16_t KTableValue;
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static void AddRefTable(void);
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static void ReleaseTable(void);
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enum EnabledState {
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// The default EnabledState: only enable what's enabled for all content,
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// given the current values of preferences.
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eEnabledForAllContent = 0,
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// Enable a property in UA sheets.
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eEnabledInUASheets = 0x01,
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// Enable a property in chrome code.
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eEnabledInChrome = 0x02,
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// Special value to unconditionally enable a property. This implies all the
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// bits above, but is strictly more than just their OR-ed union.
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// This just skips any test so a property will be enabled even if it would
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// have been disabled with all the bits above set.
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eIgnoreEnabledState = 0xff
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};
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// Looks up the property with name aProperty and returns its corresponding
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// nsCSSProperty value. If aProperty is the name of a custom property,
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// then eCSSPropertyExtra_variable will be returned.
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static nsCSSProperty LookupProperty(const nsAString& aProperty,
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EnabledState aEnabled);
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static nsCSSProperty LookupProperty(const nsACString& aProperty,
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EnabledState aEnabled);
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// Returns whether aProperty is a custom property name, i.e. begins with
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// "--". This assumes that the CSS Variables pref has been enabled.
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static bool IsCustomPropertyName(const nsAString& aProperty);
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static bool IsCustomPropertyName(const nsACString& aProperty);
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static inline bool IsShorthand(nsCSSProperty aProperty) {
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MOZ_ASSERT(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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// Must be given a longhand property.
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static bool IsInherited(nsCSSProperty aProperty);
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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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// For @counter-style descriptors
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static nsCSSCounterDesc LookupCounterDesc(const nsAString& aProperty);
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static nsCSSCounterDesc LookupCounterDesc(const nsACString& aProperty);
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// For predefined counter styles which need to be lower-cased during parse
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static bool IsPredefinedCounterStyle(const nsAString& aStyle);
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static bool IsPredefinedCounterStyle(const nsACString& aStyle);
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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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static const nsAFlatCString& GetStringValue(nsCSSCounterDesc aCounterDesc);
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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, int32_t 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 bool GetColorName(int32_t aPropID, nsCString &aStr);
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// Returns the index of |aKeyword| in |aTable|, if it exists there;
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// otherwise, returns -1.
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// NOTE: Generally, clients should call FindKeyword() instead of this method.
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static int32_t FindIndexOfKeyword(nsCSSKeyword aKeyword,
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const KTableValue aTable[]);
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// Find |aKeyword| in |aTable|, if found set |aValue| to its corresponding value.
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// If not found, return false and do not set |aValue|.
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static bool FindKeyword(nsCSSKeyword aKeyword, const KTableValue aTable[],
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int32_t& 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(int32_t aValue,
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const KTableValue aTable[]);
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// 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)
|
|
{
|
|
MOZ_ASSERT(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)
|
|
{
|
|
MOZ_ASSERT(0 <= aProperty && aProperty < eCSSProperty_COUNT,
|
|
"out of range");
|
|
return nsCSSProps::kFlagsTable[aProperty] &
|
|
CSS_PROPERTY_PARSE_PROPERTY_MASK;
|
|
}
|
|
|
|
static inline uint32_t ValueRestrictions(nsCSSProperty aProperty)
|
|
{
|
|
MOZ_ASSERT(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) {
|
|
MOZ_ASSERT(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) {
|
|
MOZ_ASSERT(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) {
|
|
MOZ_ASSERT(gShorthandsContainingPool, "uninitialized");
|
|
MOZ_ASSERT(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) {
|
|
MOZ_ASSERT(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) {
|
|
MOZ_ASSERT(0 <= aProperty && aProperty < eCSSProperty_COUNT_no_shorthands,
|
|
"out of range");
|
|
return gPropertyIndexInStruct[aProperty];
|
|
}
|
|
|
|
private:
|
|
// A table for logical property groups. Indexes are
|
|
// nsCSSPropertyLogicalGroup values.
|
|
static const nsCSSProperty* const
|
|
kLogicalGroupTable[eCSSPropertyLogicalGroup_COUNT];
|
|
|
|
public:
|
|
/**
|
|
* Returns an array of longhand physical properties which can be set by
|
|
* the argument, which must be a logical longhand property. The returned
|
|
* array is terminated by an eCSSProperty_UNKNOWN value. For example,
|
|
* given eCSSProperty_margin_block_start, returns an array of the four
|
|
* properties eCSSProperty_margin_top, eCSSProperty_margin_right,
|
|
* eCSSProperty_margin_bottom and eCSSProperty_margin_left, followed
|
|
* by the sentinel.
|
|
*
|
|
* When called with a property that has the CSS_PROPERTY_LOGICAL_AXIS
|
|
* flag, the returned array will have two values preceding the sentinel;
|
|
* otherwise it will have four.
|
|
*
|
|
* (Note that the running time of this function is proportional to the
|
|
* number of logical longhand properties that exist. If we start
|
|
* getting too many of these properties, we should make kLogicalGroupTable
|
|
* be a simple array of eCSSProperty_COUNT length.)
|
|
*/
|
|
static const nsCSSProperty* LogicalGroup(nsCSSProperty aProperty);
|
|
|
|
private:
|
|
static bool gPropertyEnabled[eCSSProperty_COUNT_with_aliases];
|
|
|
|
private:
|
|
// Defined in the generated nsCSSPropsGenerated.inc.
|
|
static const char* const kIDLNameTable[eCSSProperty_COUNT];
|
|
|
|
public:
|
|
/**
|
|
* Returns the IDL name of the specified property, which must be a
|
|
* longhand, logical or shorthand property. The IDL name is the property
|
|
* name with any hyphen-lowercase character pairs replaced by an
|
|
* uppercase character:
|
|
* https://drafts.csswg.org/cssom/#css-property-to-idl-attribute
|
|
*
|
|
* As a special case, the string "cssFloat" is returned for the float
|
|
* property. nullptr is returned for internal properties.
|
|
*/
|
|
static const char* PropertyIDLName(nsCSSProperty aProperty)
|
|
{
|
|
MOZ_ASSERT(0 <= aProperty && aProperty < eCSSProperty_COUNT,
|
|
"out of range");
|
|
return kIDLNameTable[aProperty];
|
|
}
|
|
|
|
private:
|
|
static const int32_t kIDLNameSortPositionTable[eCSSProperty_COUNT];
|
|
|
|
public:
|
|
/**
|
|
* Returns the position of the specified property in a list of all
|
|
* properties sorted by their IDL name.
|
|
*/
|
|
static int32_t PropertyIDLNameSortPosition(nsCSSProperty aProperty)
|
|
{
|
|
MOZ_ASSERT(0 <= aProperty && aProperty < eCSSProperty_COUNT,
|
|
"out of range");
|
|
return kIDLNameSortPositionTable[aProperty];
|
|
}
|
|
|
|
static bool IsEnabled(nsCSSProperty aProperty) {
|
|
MOZ_ASSERT(0 <= aProperty && aProperty < eCSSProperty_COUNT_with_aliases,
|
|
"out of range");
|
|
return gPropertyEnabled[aProperty];
|
|
}
|
|
|
|
// A table for the use counter associated with each CSS property. If a
|
|
// property does not have a use counter defined in UseCounters.conf, then
|
|
// its associated entry is |eUseCounter_UNKNOWN|.
|
|
static const mozilla::UseCounter gPropertyUseCounter[eCSSProperty_COUNT_no_shorthands];
|
|
|
|
public:
|
|
|
|
static mozilla::UseCounter UseCounterFor(nsCSSProperty aProperty) {
|
|
MOZ_ASSERT(0 <= aProperty && aProperty < eCSSProperty_COUNT_no_shorthands,
|
|
"out of range");
|
|
return gPropertyUseCounter[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_ENABLED_IN_UA_SHEETS))
|
|
{
|
|
return true;
|
|
}
|
|
if ((aEnabled & eEnabledInChrome) &&
|
|
PropHasFlags(aProperty, CSS_PROPERTY_ENABLED_IN_CHROME))
|
|
{
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
public:
|
|
|
|
// Storing the enabledstate_ value in an nsCSSProperty variable is a small hack
|
|
// to avoid needing a separate variable declaration for its real type
|
|
// (nsCSSProps::EnabledState), which would then require using a block and
|
|
// therefore a pair of macros by consumers for the start and end of the loop.
|
|
#define CSSPROPS_FOR_SHORTHAND_SUBPROPERTIES(it_, prop_, enabledstate_) \
|
|
for (const nsCSSProperty *it_ = nsCSSProps::SubpropertyEntryFor(prop_), \
|
|
es_ = (nsCSSProperty) (enabledstate_); \
|
|
*it_ != eCSSProperty_UNKNOWN; ++it_) \
|
|
if (nsCSSProps::IsEnabled(*it_, (nsCSSProps::EnabledState) es_))
|
|
|
|
// 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 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 kBoxDecorationBreakKTable[];
|
|
static const KTableValue kBoxDirectionKTable[];
|
|
static const KTableValue kBoxOrientKTable[];
|
|
static const KTableValue kBoxPackKTable[];
|
|
static const KTableValue kClipShapeSizingKTable[];
|
|
static const KTableValue kCounterRangeKTable[];
|
|
static const KTableValue kCounterSpeakAsKTable[];
|
|
static const KTableValue kCounterSymbolsSystemKTable[];
|
|
static const KTableValue kCounterSystemKTable[];
|
|
static const KTableValue kDominantBaselineKTable[];
|
|
static const KTableValue kShapeRadiusKTable[];
|
|
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 various
|
|
// "layout.css.*.enabled" prefs 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 kHyphensKTable[];
|
|
static const KTableValue kImageOrientationKTable[];
|
|
static const KTableValue kImageOrientationFlipKTable[];
|
|
static const KTableValue kIsolationKTable[];
|
|
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 kContainKTable[];
|
|
static const KTableValue kContextOpacityKTable[];
|
|
static const KTableValue kContextPatternKTable[];
|
|
static const KTableValue kObjectFitKTable[];
|
|
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 kRubyAlignKTable[];
|
|
static const KTableValue kRubyPositionKTable[];
|
|
static const KTableValue kScrollBehaviorKTable[];
|
|
static const KTableValue kScrollSnapTypeKTable[];
|
|
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 kTransformBoxKTable[];
|
|
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 kWindowDraggingKTable[];
|
|
static const KTableValue kWindowShadowKTable[];
|
|
static const KTableValue kWordBreakKTable[];
|
|
static const KTableValue kWordWrapKTable[];
|
|
static const KTableValue kWritingModeKTable[];
|
|
};
|
|
|
|
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___ */
|