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org.owasp.html.CssSchema Maven / Gradle / Ivy
// Copyright (c) 2013, Mike Samuel
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
// Neither the name of the OWASP nor the names of its contributors may
// be used to endorse or promote products derived from this software
// without specific prior written permission.
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
// COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
// BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
// LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
// ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
package org.owasp.html;
import java.util.Map;
import java.util.Set;
import java.util.SortedSet;
import javax.annotation.Nullable;
import com.google.common.base.Preconditions;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.ImmutableSet;
import com.google.common.collect.Maps;
import com.google.common.collect.Sets;
/** Describes the kinds of tokens a CSS property's value can safely contain. */
@TCB
public final class CssSchema {
/**
* Describes how CSS interprets tokens after the ":" for a property.
* For example, if the property name "color" maps to this, then it
* should record that '#' literals are innocuous colors, and that functions
* like "rgb", "rgba", "hsl", etc. are allowed functions.
*/
public static final class Property {
/** A bitfield of BIT_* constants describing groups of allowed tokens. */
final int bits;
/** Specific allowed values. */
final ImmutableSet literals;
/**
* Maps lower-case function tokens to the schema key for their parameters.
*/
final ImmutableMap fnKeys;
/**
* @param bits A bitfield of BIT_* constants describing groups of allowed tokens.
* @param literals Specific allowed values.
* @param fnKeys Maps lower-case function tokens to the schema key for their parameters.
*/
public Property(
int bits, ImmutableSet literals,
ImmutableMap fnKeys) {
this.bits = bits;
this.literals = literals;
this.fnKeys = fnKeys;
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + bits;
result = prime * result + ((fnKeys == null) ? 0 : fnKeys.hashCode());
result = prime * result + ((literals == null) ? 0 : literals.hashCode());
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (obj == null) {
return false;
}
if (getClass() != obj.getClass()) {
return false;
}
Property other = (Property) obj;
if (bits != other.bits) {
return false;
}
if (fnKeys == null) {
if (other.fnKeys != null) {
return false;
}
} else if (!fnKeys.equals(other.fnKeys)) {
return false;
}
if (literals == null) {
if (other.literals != null) {
return false;
}
} else if (!literals.equals(other.literals)) {
return false;
}
return true;
}
}
static final int BIT_QUANTITY = 1;
static final int BIT_HASH_VALUE = 2;
static final int BIT_NEGATIVE = 4;
static final int BIT_STRING = 8;
static final int BIT_URL = 16;
static final int BIT_UNRESERVED_WORD = 64;
static final int BIT_UNICODE_RANGE = 128;
static final Property DISALLOWED = new Property(
0, ImmutableSet.of(), ImmutableMap.of());
private final ImmutableMap properties;
private CssSchema(ImmutableMap properties) {
if (properties == null) { throw new NullPointerException(); }
this.properties = properties;
}
/**
* A schema that includes all and only the named properties.
*
* @param propertyNames a series of lower-case CSS property names that appear
* in the built-in CSS definitions. It is an error to mention an unknown
* property name. This class's {@code main} method will dump a list of
* known property names when run with zero arguments.
*/
public static CssSchema withProperties(
Iterable propertyNames) {
ImmutableMap.Builder propertiesBuilder =
ImmutableMap.builder();
for (String propertyName : propertyNames) {
Property prop = DEFINITIONS.get(propertyName);
if (prop == null) { throw new IllegalArgumentException(propertyName); }
propertiesBuilder.put(propertyName, prop);
}
return new CssSchema(propertiesBuilder.build());
}
/**
* A schema that includes all and only the named properties.
*
* @param properties maps lower-case CSS property names to property objects.
*/
public static CssSchema withProperties(
Map properties) {
ImmutableMap propertyMap =
ImmutableMap.copyOf(properties);
// check that all fnKeys are defined in properties.
for (Map.Entry e : propertyMap.entrySet()) {
Property property = e.getValue();
for (String fnKey : property.fnKeys.values()) {
if (!propertyMap.containsKey(fnKey)) {
throw new IllegalArgumentException(
"Property map is not self contained. " + e.getValue()
+ " depends on undefined function key " + fnKey);
}
}
}
return new CssSchema(propertyMap);
}
/**
* A schema that represents the union of the input schemas.
*
* @return A schema that allows all and only CSS properties that are allowed
* by at least one of the inputs.
* @throws IllegalArgumentException if two schemas have properties with the
* same name, but different (per .equals) {@link Property} values.
*/
public static CssSchema union(CssSchema... cssSchemas) {
if (cssSchemas.length == 1) { return cssSchemas[0]; }
Map properties = Maps.newLinkedHashMap();
for (CssSchema cssSchema : cssSchemas) {
for (Map.Entry e : cssSchema.properties.entrySet()) {
String name = e.getKey();
Property newProp = e.getValue();
Preconditions.checkNotNull(name);
Preconditions.checkNotNull(newProp);
Property oldProp = properties.put(name, newProp);
if (oldProp != null && !oldProp.equals(newProp)) {
throw new IllegalArgumentException(
"Duplicate irreconcilable definitions for " + name);
}
}
}
return new CssSchema(ImmutableMap.copyOf(properties));
}
/**
* The set of CSS properties allowed by this schema.
*
* @return an immutable set.
*/
public Set allowedProperties() {
return properties.keySet();
}
/** The schema for the named property or function key. */
Property forKey(String propertyName) {
String propertyNameCanon = Strings.toLowerCase(propertyName);
Property property = properties.get(propertyNameCanon);
if (property != null) { return property; }
int n = propertyNameCanon.length();
if (n != 0 && propertyNameCanon.charAt(0) == '-') {
String barePropertyNameCanon = stripVendorPrefix(propertyNameCanon);
property = properties.get(barePropertyNameCanon);
if (property != null) { return property; }
}
return DISALLOWED;
}
/** {@code "-moz-foo"} → {@code "foo"}. */
private static @Nullable String stripVendorPrefix(String cssKeyword) {
int prefixLen = 0;
if (cssKeyword.length() >= 2) {
switch (cssKeyword.charAt(1)) {
case 'm':
if (cssKeyword.startsWith("-ms-")) {
prefixLen = 4;
} else if (cssKeyword.startsWith("-moz-")) {
prefixLen = 5;
}
break;
case 'o':
if (cssKeyword.startsWith("-o-")) { prefixLen = 3; }
break;
case 'w':
if (cssKeyword.startsWith("-webkit-")) { prefixLen = 8; }
break;
default: break;
}
}
return prefixLen == 0 ? null : cssKeyword.substring(prefixLen);
}
/** Maps lower-cased CSS property names to information about them. */
static final ImmutableMap DEFINITIONS;
static {
ImmutableMap zeroFns = ImmutableMap.of();
ImmutableMap.Builder builder
= ImmutableMap.builder();
ImmutableSet mozBorderRadiusLiterals0 = ImmutableSet.of("/");
ImmutableSet mozOpacityLiterals0 = ImmutableSet.of("inherit");
ImmutableSet mozOutlineLiterals0 = ImmutableSet.of(
"aliceblue", "antiquewhite", "aqua", "aquamarine", "azure", "beige",
"bisque", "black", "blanchedalmond", "blue", "blueviolet", "brown",
"burlywood", "cadetblue", "chartreuse", "chocolate", "coral",
"cornflowerblue", "cornsilk", "crimson", "cyan", "darkblue", "darkcyan",
"darkgoldenrod", "darkgray", "darkgreen", "darkkhaki", "darkmagenta",
"darkolivegreen", "darkorange", "darkorchid", "darkred", "darksalmon",
"darkseagreen", "darkslateblue", "darkslategray", "darkturquoise",
"darkviolet", "deeppink", "deepskyblue", "dimgray", "dodgerblue",
"firebrick", "floralwhite", "forestgreen", "fuchsia", "gainsboro",
"ghostwhite", "gold", "goldenrod", "gray", "green", "greenyellow",
"honeydew", "hotpink", "indianred", "indigo", "ivory", "khaki",
"lavender", "lavenderblush", "lawngreen", "lemonchiffon", "lightblue",
"lightcoral", "lightcyan", "lightgoldenrodyellow", "lightgreen",
"lightgrey", "lightpink", "lightsalmon", "lightseagreen",
"lightskyblue", "lightslategray", "lightsteelblue", "lightyellow",
"lime", "limegreen", "linen", "magenta", "maroon", "mediumaquamarine",
"mediumblue", "mediumorchid", "mediumpurple", "mediumseagreen",
"mediumslateblue", "mediumspringgreen", "mediumturquoise",
"mediumvioletred", "midnightblue", "mintcream", "mistyrose",
"moccasin", "navajowhite", "navy", "oldlace", "olive", "olivedrab",
"orange", "orangered", "orchid", "palegoldenrod", "palegreen",
"paleturquoise", "palevioletred", "papayawhip", "peachpuff", "peru",
"pink", "plum", "powderblue", "purple", "red", "rosybrown", "royalblue",
"saddlebrown", "salmon", "sandybrown", "seagreen", "seashell", "sienna",
"silver", "skyblue", "slateblue", "slategray", "snow", "springgreen",
"steelblue", "tan", "teal", "thistle", "tomato", "turquoise", "violet",
"wheat", "white", "whitesmoke", "yellow", "yellowgreen");
ImmutableSet mozOutlineLiterals1 = ImmutableSet.of(
"dashed", "dotted", "double", "groove", "outset", "ridge", "solid");
ImmutableSet mozOutlineLiterals2 = ImmutableSet.of("thick", "thin");
ImmutableSet mozOutlineLiterals3 = ImmutableSet.of(
"hidden", "inherit", "inset", "invert", "medium", "none");
ImmutableMap mozOutlineFunctions =
ImmutableMap.of("rgb(", "rgb()", "rgba(", "rgba()");
ImmutableSet mozOutlineColorLiterals0 =
ImmutableSet.of("inherit", "invert");
ImmutableSet mozOutlineStyleLiterals0 =
ImmutableSet.of("hidden", "inherit", "inset", "none");
ImmutableSet mozOutlineWidthLiterals0 =
ImmutableSet.of("inherit", "medium");
ImmutableSet oTextOverflowLiterals0 =
ImmutableSet.of("clip", "ellipsis");
ImmutableSet azimuthLiterals0 = ImmutableSet.of(
"behind", "center-left", "center-right", "far-left", "far-right",
"left-side", "leftwards", "right-side", "rightwards");
ImmutableSet azimuthLiterals1 = ImmutableSet.of("left", "right");
ImmutableSet azimuthLiterals2 =
ImmutableSet.of("center", "inherit");
ImmutableSet backgroundLiterals0 = ImmutableSet.of(
"border-box", "contain", "content-box", "cover", "padding-box");
ImmutableSet backgroundLiterals1 =
ImmutableSet.of("no-repeat", "repeat-x", "repeat-y", "round", "space");
ImmutableSet backgroundLiterals2 = ImmutableSet.of("bottom", "top");
ImmutableSet backgroundLiterals3 = ImmutableSet.of(
",", "/", "auto", "center", "fixed", "inherit", "local", "none",
"repeat", "scroll", "transparent");
ImmutableMap backgroundFunctions =
ImmutableMap.builder()
.put("image(", "image()")
.put("linear-gradient(", "linear-gradient()")
.put("radial-gradient(", "radial-gradient()")
.put("repeating-linear-gradient(", "repeating-linear-gradient()")
.put("repeating-radial-gradient(", "repeating-radial-gradient()")
.put("rgb(", "rgb()").put("rgba(", "rgba()")
.build();
ImmutableSet backgroundAttachmentLiterals0 =
ImmutableSet.of(",", "fixed", "local", "scroll");
ImmutableSet backgroundColorLiterals0 =
ImmutableSet.of("inherit", "transparent");
ImmutableSet backgroundImageLiterals0 =
ImmutableSet.of(",", "none");
ImmutableMap backgroundImageFunctions =
ImmutableMap.of(
"image(", "image()",
"linear-gradient(", "linear-gradient()",
"radial-gradient(", "radial-gradient()",
"repeating-linear-gradient(", "repeating-linear-gradient()",
"repeating-radial-gradient(", "repeating-radial-gradient()");
ImmutableSet backgroundPositionLiterals0 = ImmutableSet.of(
",", "center");
ImmutableSet backgroundRepeatLiterals0 = ImmutableSet.of(
",", "repeat");
ImmutableSet borderLiterals0 = ImmutableSet.of(
"hidden", "inherit", "inset", "medium", "none", "transparent");
ImmutableSet borderCollapseLiterals0 = ImmutableSet.of(
"collapse", "inherit", "separate");
ImmutableSet bottomLiterals0 = ImmutableSet.of("auto", "inherit");
ImmutableSet boxShadowLiterals0 = ImmutableSet.of(
",", "inset", "none");
ImmutableSet clearLiterals0 = ImmutableSet.of(
"both", "inherit", "none");
ImmutableMap clipFunctions =
ImmutableMap.of("rect(", "rect()");
ImmutableSet contentLiterals0 = ImmutableSet.of("none", "normal");
ImmutableSet cueLiterals0 = ImmutableSet.of("inherit", "none");
ImmutableSet cursorLiterals0 = ImmutableSet.of(
"all-scroll", "col-resize", "crosshair", "default", "e-resize",
"hand", "help", "move", "n-resize", "ne-resize", "no-drop",
"not-allowed", "nw-resize", "pointer", "progress", "row-resize",
"s-resize", "se-resize", "sw-resize", "text", "vertical-text",
"w-resize", "wait");
ImmutableSet cursorLiterals1 = ImmutableSet.of(
",", "auto", "inherit");
ImmutableSet directionLiterals0 = ImmutableSet.of("ltr", "rtl");
ImmutableSet displayLiterals0 = ImmutableSet.of(
"-moz-inline-box", "-moz-inline-stack", "block", "inline",
"inline-block", "inline-table", "list-item", "run-in", "table",
"table-caption", "table-cell", "table-column", "table-column-group",
"table-footer-group", "table-header-group", "table-row",
"table-row-group");
ImmutableSet elevationLiterals0 = ImmutableSet.of(
"above", "below", "higher", "level", "lower");
ImmutableSet emptyCellsLiterals0 = ImmutableSet.of("hide", "show");
//ImmutableMap filterFunctions =
// ImmutableMap.of("alpha(", "alpha()");
ImmutableSet fontLiterals0 = ImmutableSet.of(
"100", "200", "300", "400", "500", "600", "700", "800", "900", "bold",
"bolder", "lighter");
ImmutableSet fontLiterals1 = ImmutableSet.of(
"large", "larger", "small", "smaller", "x-large", "x-small",
"xx-large", "xx-small");
ImmutableSet fontLiterals2 = ImmutableSet.of(
"caption", "icon", "menu", "message-box", "small-caption",
"status-bar");
ImmutableSet fontLiterals3 = ImmutableSet.of(
"cursive", "fantasy", "monospace", "sans-serif", "serif");
ImmutableSet fontLiterals4 = ImmutableSet.of("italic", "oblique");
ImmutableSet fontLiterals5 = ImmutableSet.of(
",", "/", "inherit", "medium", "normal", "small-caps");
ImmutableSet fontFamilyLiterals0 = ImmutableSet.of(",", "inherit");
ImmutableSet fontStretchLiterals0 = ImmutableSet.of(
"condensed", "expanded", "extra-condensed", "extra-expanded",
"narrower", "semi-condensed", "semi-expanded", "ultra-condensed",
"ultra-expanded", "wider");
ImmutableSet fontStretchLiterals1 = ImmutableSet.of("normal");
ImmutableSet fontStyleLiterals0 = ImmutableSet.of(
"inherit", "normal");
ImmutableSet fontVariantLiterals0 = ImmutableSet.of(
"inherit", "normal", "small-caps");
ImmutableSet listStyleLiterals0 = ImmutableSet.of(
"armenian", "cjk-decimal", "decimal", "decimal-leading-zero", "disc",
"disclosure-closed", "disclosure-open", "ethiopic-numeric", "georgian",
"hebrew", "hiragana", "hiragana-iroha", "japanese-formal",
"japanese-informal", "katakana", "katakana-iroha",
"korean-hangul-formal", "korean-hanja-formal",
"korean-hanja-informal", "lower-alpha", "lower-greek", "lower-latin",
"lower-roman", "simp-chinese-formal", "simp-chinese-informal",
"square", "trad-chinese-formal", "trad-chinese-informal",
"upper-alpha", "upper-latin", "upper-roman");
ImmutableSet listStyleLiterals1 = ImmutableSet.of(
"inside", "outside");
ImmutableSet listStyleLiterals2 = ImmutableSet.of(
"circle", "inherit", "none");
ImmutableSet maxHeightLiterals0 = ImmutableSet.of(
"auto", "inherit", "none");
ImmutableSet overflowLiterals0 = ImmutableSet.of(
"auto", "hidden", "inherit", "scroll", "visible");
ImmutableSet overflowXLiterals0 = ImmutableSet.of(
"no-content", "no-display");
ImmutableSet overflowXLiterals1 = ImmutableSet.of(
"auto", "hidden", "scroll", "visible");
ImmutableSet pageBreakAfterLiterals0 = ImmutableSet.of(
"always", "auto", "avoid", "inherit");
ImmutableSet pageBreakInsideLiterals0 = ImmutableSet.of(
"auto", "avoid", "inherit");
ImmutableSet pitchLiterals0 = ImmutableSet.of(
"high", "low", "x-high", "x-low");
ImmutableSet playDuringLiterals0 = ImmutableSet.of(
"auto", "inherit", "mix", "none", "repeat");
ImmutableSet positionLiterals0 = ImmutableSet.of(
"absolute", "relative", "static");
ImmutableSet speakLiterals0 = ImmutableSet.of(
"inherit", "none", "normal", "spell-out");
ImmutableSet speakHeaderLiterals0 = ImmutableSet.of(
"always", "inherit", "once");
ImmutableSet speakNumeralLiterals0 = ImmutableSet.of(
"continuous", "digits");
ImmutableSet speakPunctuationLiterals0 = ImmutableSet.of(
"code", "inherit", "none");
ImmutableSet speechRateLiterals0 = ImmutableSet.of(
"fast", "faster", "slow", "slower", "x-fast", "x-slow");
ImmutableSet tableLayoutLiterals0 = ImmutableSet.of(
"auto", "fixed", "inherit");
ImmutableSet textAlignLiterals0 = ImmutableSet.of(
"center", "inherit", "justify");
ImmutableSet textDecorationLiterals0 = ImmutableSet.of(
"blink", "line-through", "overline", "underline");
ImmutableSet textTransformLiterals0 = ImmutableSet.of(
"capitalize", "lowercase", "uppercase");
ImmutableSet textWrapLiterals0 = ImmutableSet.of(
"suppress", "unrestricted");
ImmutableSet unicodeBidiLiterals0 = ImmutableSet.of(
"bidi-override", "embed");
ImmutableSet verticalAlignLiterals0 = ImmutableSet.of(
"baseline", "middle", "sub", "super", "text-bottom", "text-top");
ImmutableSet visibilityLiterals0 = ImmutableSet.of(
"collapse", "hidden", "inherit", "visible");
ImmutableSet voiceFamilyLiterals0 = ImmutableSet.of(
"child", "female", "male");
ImmutableSet volumeLiterals0 = ImmutableSet.of(
"loud", "silent", "soft", "x-loud", "x-soft");
ImmutableSet whiteSpaceLiterals0 = ImmutableSet.of(
"-moz-pre-wrap", "-o-pre-wrap", "-pre-wrap", "nowrap", "pre",
"pre-line", "pre-wrap");
ImmutableSet wordWrapLiterals0 = ImmutableSet.of(
"break-word", "normal");
ImmutableSet rgb$FunLiterals0 = ImmutableSet.of(",");
ImmutableSet linearGradient$FunLiterals0 = ImmutableSet.of(
",", "to");
ImmutableSet radialGradient$FunLiterals0 = ImmutableSet.of(
"at", "closest-corner", "closest-side", "ellipse", "farthest-corner",
"farthest-side");
ImmutableSet radialGradient$FunLiterals1 = ImmutableSet.of(
",", "center", "circle");
ImmutableSet rect$FunLiterals0 = ImmutableSet.of(",", "auto");
//ImmutableSet alpha$FunLiterals0 = ImmutableSet.of("=", "opacity");
Property mozBorderRadius =
new Property(5, mozBorderRadiusLiterals0, zeroFns);
builder.put("-moz-border-radius", mozBorderRadius);
Property mozBorderRadiusBottomleft =
new Property(5, ImmutableSet.of(), zeroFns);
builder.put("-moz-border-radius-bottomleft", mozBorderRadiusBottomleft);
Property mozOpacity = new Property(1, mozOpacityLiterals0, zeroFns);
builder.put("-moz-opacity", mozOpacity);
@SuppressWarnings("unchecked")
Property mozOutline = new Property(
7,
union(mozOutlineLiterals0, mozOutlineLiterals1, mozOutlineLiterals2,
mozOutlineLiterals3),
mozOutlineFunctions);
builder.put("-moz-outline", mozOutline);
@SuppressWarnings("unchecked")
Property mozOutlineColor = new Property(
2, union(mozOutlineColorLiterals0, mozOutlineLiterals0),
mozOutlineFunctions);
builder.put("-moz-outline-color", mozOutlineColor);
@SuppressWarnings("unchecked")
Property mozOutlineStyle = new Property(
0, union(mozOutlineLiterals1, mozOutlineStyleLiterals0), zeroFns);
builder.put("-moz-outline-style", mozOutlineStyle);
@SuppressWarnings("unchecked")
Property mozOutlineWidth = new Property(
5, union(mozOutlineLiterals2, mozOutlineWidthLiterals0), zeroFns);
builder.put("-moz-outline-width", mozOutlineWidth);
Property oTextOverflow = new Property(0, oTextOverflowLiterals0, zeroFns);
builder.put("-o-text-overflow", oTextOverflow);
@SuppressWarnings("unchecked")
Property azimuth = new Property(
5, union(azimuthLiterals0, azimuthLiterals1, azimuthLiterals2),
zeroFns);
builder.put("azimuth", azimuth);
@SuppressWarnings("unchecked")
Property background = new Property(
23,
union(azimuthLiterals1, backgroundLiterals0, backgroundLiterals1,
backgroundLiterals2, backgroundLiterals3, mozOutlineLiterals0),
backgroundFunctions);
builder.put("background", background);
builder.put("background-attachment",
new Property(0, backgroundAttachmentLiterals0, zeroFns));
@SuppressWarnings("unchecked")
Property backgroundColor = new Property(
258, union(backgroundColorLiterals0, mozOutlineLiterals0),
mozOutlineFunctions);
builder.put("background-color", backgroundColor);
builder.put("background-image",
new Property(16, backgroundImageLiterals0,
backgroundImageFunctions));
@SuppressWarnings("unchecked")
Property backgroundPosition = new Property(
5,
union(azimuthLiterals1, backgroundLiterals2,
backgroundPositionLiterals0),
zeroFns);
builder.put("background-position", backgroundPosition);
@SuppressWarnings("unchecked")
Property backgroundRepeat = new Property(
0, union(backgroundLiterals1, backgroundRepeatLiterals0), zeroFns);
builder.put("background-repeat", backgroundRepeat);
@SuppressWarnings("unchecked")
Property border = new Property(
7,
union(borderLiterals0, mozOutlineLiterals0, mozOutlineLiterals1,
mozOutlineLiterals2),
mozOutlineFunctions);
builder.put("border", border);
@SuppressWarnings("unchecked")
Property borderBottomColor = new Property(
2, union(backgroundColorLiterals0, mozOutlineLiterals0),
mozOutlineFunctions);
builder.put("border-bottom-color", borderBottomColor);
builder.put("border-collapse",
new Property(0, borderCollapseLiterals0, zeroFns));
Property borderSpacing = new Property(5, mozOpacityLiterals0, zeroFns);
builder.put("border-spacing", borderSpacing);
Property bottom = new Property(5, bottomLiterals0, zeroFns);
builder.put("bottom", bottom);
@SuppressWarnings("unchecked")
Property boxShadow = new Property(
7, union(boxShadowLiterals0, mozOutlineLiterals0), mozOutlineFunctions);
builder.put("box-shadow", boxShadow);
@SuppressWarnings("unchecked")
Property captionSide = new Property(
0, union(backgroundLiterals2, mozOpacityLiterals0), zeroFns);
builder.put("caption-side", captionSide);
@SuppressWarnings("unchecked")
Property clear = new Property(
0, union(azimuthLiterals1, clearLiterals0), zeroFns);
builder.put("clear", clear);
builder.put("clip", new Property(0, bottomLiterals0, clipFunctions));
@SuppressWarnings("unchecked")
Property color = new Property(
258, union(mozOpacityLiterals0, mozOutlineLiterals0),
mozOutlineFunctions);
builder.put("color", color);
builder.put("content", new Property(8, contentLiterals0, zeroFns));
Property cue = new Property(16, cueLiterals0, zeroFns);
builder.put("cue", cue);
@SuppressWarnings("unchecked")
Property cursor = new Property(
272, union(cursorLiterals0, cursorLiterals1), zeroFns);
builder.put("cursor", cursor);
@SuppressWarnings("unchecked")
Property direction = new Property(
0, union(directionLiterals0, mozOpacityLiterals0), zeroFns);
builder.put("direction", direction);
@SuppressWarnings("unchecked")
Property display = new Property(
0, union(cueLiterals0, displayLiterals0), zeroFns);
builder.put("display", display);
@SuppressWarnings("unchecked")
Property elevation = new Property(
5, union(elevationLiterals0, mozOpacityLiterals0), zeroFns);
builder.put("elevation", elevation);
@SuppressWarnings("unchecked")
Property emptyCells = new Property(
0, union(emptyCellsLiterals0, mozOpacityLiterals0), zeroFns);
builder.put("empty-cells", emptyCells);
//builder.put("filter",
// new Property(0, ImmutableSet.of(), filterFunctions));
@SuppressWarnings("unchecked")
Property cssFloat = new Property(
0, union(azimuthLiterals1, cueLiterals0), zeroFns);
builder.put("float", cssFloat);
@SuppressWarnings("unchecked")
Property font = new Property(
73,
union(fontLiterals0, fontLiterals1, fontLiterals2, fontLiterals3,
fontLiterals4, fontLiterals5),
zeroFns);
builder.put("font", font);
@SuppressWarnings("unchecked")
Property fontFamily = new Property(
72, union(fontFamilyLiterals0, fontLiterals3), zeroFns);
builder.put("font-family", fontFamily);
@SuppressWarnings("unchecked")
Property fontSize = new Property(
1, union(fontLiterals1, mozOutlineWidthLiterals0), zeroFns);
builder.put("font-size", fontSize);
@SuppressWarnings("unchecked")
Property fontStretch = new Property(
0, union(fontStretchLiterals0, fontStretchLiterals1), zeroFns);
builder.put("font-stretch", fontStretch);
@SuppressWarnings("unchecked")
Property fontStyle = new Property(
0, union(fontLiterals4, fontStyleLiterals0), zeroFns);
builder.put("font-style", fontStyle);
builder.put("font-variant", new Property(
0, fontVariantLiterals0, zeroFns));
@SuppressWarnings("unchecked")
Property fontWeight = new Property(
0, union(fontLiterals0, fontStyleLiterals0), zeroFns);
builder.put("font-weight", fontWeight);
Property height = new Property(5, bottomLiterals0, zeroFns);
builder.put("height", height);
Property letterSpacing = new Property(5, fontStyleLiterals0, zeroFns);
builder.put("letter-spacing", letterSpacing);
builder.put("line-height", new Property(1, fontStyleLiterals0, zeroFns));
@SuppressWarnings("unchecked")
Property listStyle = new Property(
16,
union(listStyleLiterals0, listStyleLiterals1, listStyleLiterals2),
backgroundImageFunctions);
builder.put("list-style", listStyle);
builder.put("list-style-image", new Property(
16, cueLiterals0, backgroundImageFunctions));
@SuppressWarnings("unchecked")
Property listStylePosition = new Property(
0, union(listStyleLiterals1, mozOpacityLiterals0), zeroFns);
builder.put("list-style-position", listStylePosition);
@SuppressWarnings("unchecked")
Property listStyleType = new Property(
0, union(listStyleLiterals0, listStyleLiterals2), zeroFns);
builder.put("list-style-type", listStyleType);
Property margin = new Property(1, bottomLiterals0, zeroFns);
builder.put("margin", margin);
Property maxHeight = new Property(1, maxHeightLiterals0, zeroFns);
builder.put("max-height", maxHeight);
Property opacity = new Property(1, mozOpacityLiterals0, zeroFns);
builder.put("opacity", opacity);
builder.put("overflow", new Property(0, overflowLiterals0, zeroFns));
@SuppressWarnings("unchecked")
Property overflowX = new Property(
0, union(overflowXLiterals0, overflowXLiterals1), zeroFns);
builder.put("overflow-x", overflowX);
Property padding = new Property(1, mozOpacityLiterals0, zeroFns);
builder.put("padding", padding);
@SuppressWarnings("unchecked")
Property pageBreakAfter = new Property(
0, union(azimuthLiterals1, pageBreakAfterLiterals0), zeroFns);
builder.put("page-break-after", pageBreakAfter);
builder.put("page-break-inside", new Property(
0, pageBreakInsideLiterals0, zeroFns));
@SuppressWarnings("unchecked")
Property pitch = new Property(
5, union(mozOutlineWidthLiterals0, pitchLiterals0), zeroFns);
builder.put("pitch", pitch);
builder.put("play-during", new Property(
16, playDuringLiterals0, zeroFns));
@SuppressWarnings("unchecked")
Property position = new Property(
0, union(mozOpacityLiterals0, positionLiterals0), zeroFns);
builder.put("position", position);
builder.put("quotes", new Property(8, cueLiterals0, zeroFns));
builder.put("speak", new Property(0, speakLiterals0, zeroFns));
builder.put("speak-header", new Property(
0, speakHeaderLiterals0, zeroFns));
@SuppressWarnings("unchecked")
Property speakNumeral = new Property(
0, union(mozOpacityLiterals0, speakNumeralLiterals0), zeroFns);
builder.put("speak-numeral", speakNumeral);
builder.put("speak-punctuation", new Property(
0, speakPunctuationLiterals0, zeroFns));
@SuppressWarnings("unchecked")
Property speechRate = new Property(
5, union(mozOutlineWidthLiterals0, speechRateLiterals0), zeroFns);
builder.put("speech-rate", speechRate);
builder.put("table-layout", new Property(
0, tableLayoutLiterals0, zeroFns));
@SuppressWarnings("unchecked")
Property textAlign = new Property(
0, union(azimuthLiterals1, textAlignLiterals0), zeroFns);
builder.put("text-align", textAlign);
@SuppressWarnings("unchecked")
Property textDecoration = new Property(
0, union(cueLiterals0, textDecorationLiterals0), zeroFns);
builder.put("text-decoration", textDecoration);
@SuppressWarnings("unchecked")
Property textTransform = new Property(
0, union(cueLiterals0, textTransformLiterals0), zeroFns);
builder.put("text-transform", textTransform);
@SuppressWarnings("unchecked")
Property textWrap = new Property(
0, union(contentLiterals0, textWrapLiterals0), zeroFns);
builder.put("text-wrap", textWrap);
@SuppressWarnings("unchecked")
Property unicodeBidi = new Property(
0, union(fontStyleLiterals0, unicodeBidiLiterals0), zeroFns);
builder.put("unicode-bidi", unicodeBidi);
@SuppressWarnings("unchecked")
Property verticalAlign = new Property(
5,
union(backgroundLiterals2, mozOpacityLiterals0, verticalAlignLiterals0),
zeroFns);
builder.put("vertical-align", verticalAlign);
builder.put("visibility", new Property(0, visibilityLiterals0, zeroFns));
@SuppressWarnings("unchecked")
Property voiceFamily = new Property(
8, union(fontFamilyLiterals0, voiceFamilyLiterals0), zeroFns);
builder.put("voice-family", voiceFamily);
@SuppressWarnings("unchecked")
Property volume = new Property(
1, union(mozOutlineWidthLiterals0, volumeLiterals0), zeroFns);
builder.put("volume", volume);
@SuppressWarnings("unchecked")
Property whiteSpace = new Property(
0, union(fontStyleLiterals0, whiteSpaceLiterals0), zeroFns);
builder.put("white-space", whiteSpace);
builder.put("word-wrap", new Property(0, wordWrapLiterals0, zeroFns));
builder.put("zoom", new Property(1, fontStretchLiterals1, zeroFns));
Property rgb$Fun = new Property(1, rgb$FunLiterals0, zeroFns);
builder.put("rgb()", rgb$Fun);
@SuppressWarnings("unchecked")
Property image$Fun = new Property(
18, union(mozOutlineLiterals0, rgb$FunLiterals0), mozOutlineFunctions);
builder.put("image()", image$Fun);
@SuppressWarnings("unchecked")
Property linearGradient$Fun = new Property(
7,
union(azimuthLiterals1, backgroundLiterals2,
linearGradient$FunLiterals0, mozOutlineLiterals0),
mozOutlineFunctions);
builder.put("linear-gradient()", linearGradient$Fun);
@SuppressWarnings("unchecked")
Property radialGradient$Fun = new Property(
7,
union(azimuthLiterals1, backgroundLiterals2, mozOutlineLiterals0,
radialGradient$FunLiterals0, radialGradient$FunLiterals1),
mozOutlineFunctions);
builder.put("radial-gradient()", radialGradient$Fun);
builder.put("rect()", new Property(5, rect$FunLiterals0, zeroFns));
//builder.put("alpha()", new Property(1, alpha$FunLiterals0, zeroFns));
builder.put("-moz-border-radius-bottomright", mozBorderRadiusBottomleft);
builder.put("-moz-border-radius-topleft", mozBorderRadiusBottomleft);
builder.put("-moz-border-radius-topright", mozBorderRadiusBottomleft);
builder.put("-moz-box-shadow", boxShadow);
builder.put("-webkit-border-bottom-left-radius", mozBorderRadiusBottomleft);
builder.put("-webkit-border-bottom-right-radius",
mozBorderRadiusBottomleft);
builder.put("-webkit-border-radius", mozBorderRadius);
builder.put("-webkit-border-radius-bottom-left", mozBorderRadiusBottomleft);
builder.put("-webkit-border-radius-bottom-right",
mozBorderRadiusBottomleft);
builder.put("-webkit-border-radius-top-left", mozBorderRadiusBottomleft);
builder.put("-webkit-border-radius-top-right", mozBorderRadiusBottomleft);
builder.put("-webkit-border-top-left-radius", mozBorderRadiusBottomleft);
builder.put("-webkit-border-top-right-radius", mozBorderRadiusBottomleft);
builder.put("-webkit-box-shadow", boxShadow);
builder.put("border-bottom", border);
builder.put("border-bottom-left-radius", mozBorderRadiusBottomleft);
builder.put("border-bottom-right-radius", mozBorderRadiusBottomleft);
builder.put("border-bottom-style", mozOutlineStyle);
builder.put("border-bottom-width", mozOutlineWidth);
builder.put("border-color", borderBottomColor);
builder.put("border-left", border);
builder.put("border-left-color", borderBottomColor);
builder.put("border-left-style", mozOutlineStyle);
builder.put("border-left-width", mozOutlineWidth);
builder.put("border-radius", mozBorderRadius);
builder.put("border-right", border);
builder.put("border-right-color", borderBottomColor);
builder.put("border-right-style", mozOutlineStyle);
builder.put("border-right-width", mozOutlineWidth);
builder.put("border-style", mozOutlineStyle);
builder.put("border-top", border);
builder.put("border-top-color", borderBottomColor);
builder.put("border-top-left-radius", mozBorderRadiusBottomleft);
builder.put("border-top-right-radius", mozBorderRadiusBottomleft);
builder.put("border-top-style", mozOutlineStyle);
builder.put("border-top-width", mozOutlineWidth);
builder.put("border-width", mozOutlineWidth);
builder.put("cue-after", cue);
builder.put("cue-before", cue);
builder.put("left", height);
builder.put("margin-bottom", margin);
builder.put("margin-left", margin);
builder.put("margin-right", margin);
builder.put("margin-top", margin);
builder.put("max-width", maxHeight);
builder.put("min-height", margin);
builder.put("min-width", margin);
builder.put("outline", mozOutline);
builder.put("outline-color", mozOutlineColor);
builder.put("outline-style", mozOutlineStyle);
builder.put("outline-width", mozOutlineWidth);
builder.put("overflow-y", overflowX);
builder.put("padding-bottom", padding);
builder.put("padding-left", padding);
builder.put("padding-right", padding);
builder.put("padding-top", padding);
builder.put("page-break-before", pageBreakAfter);
builder.put("pause", borderSpacing);
builder.put("pause-after", borderSpacing);
builder.put("pause-before", borderSpacing);
builder.put("pitch-range", borderSpacing);
builder.put("richness", borderSpacing);
builder.put("right", height);
builder.put("stress", borderSpacing);
builder.put("text-indent", borderSpacing);
builder.put("text-overflow", oTextOverflow);
builder.put("text-shadow", boxShadow);
builder.put("top", height);
builder.put("width", margin);
builder.put("word-spacing", letterSpacing);
builder.put("z-index", bottom);
builder.put("rgba()", rgb$Fun);
builder.put("repeating-linear-gradient()", linearGradient$Fun);
builder.put("repeating-radial-gradient()", radialGradient$Fun);
DEFINITIONS = builder.build();
}
private static ImmutableSet union(ImmutableSet... subsets) {
ImmutableSet.Builder all = ImmutableSet.builder();
for (ImmutableSet subset : subsets) {
all.addAll(subset);
}
return all.build();
}
static final ImmutableSet DEFAULT_WHITELIST = ImmutableSet.of(
"-moz-border-radius",
"-moz-border-radius-bottomleft",
"-moz-border-radius-bottomright",
"-moz-border-radius-topleft",
"-moz-border-radius-topright",
"-moz-box-shadow",
"-moz-outline",
"-moz-outline-color",
"-moz-outline-style",
"-moz-outline-width",
"-o-text-overflow",
"-webkit-border-bottom-left-radius",
"-webkit-border-bottom-right-radius",
"-webkit-border-radius",
"-webkit-border-radius-bottom-left",
"-webkit-border-radius-bottom-right",
"-webkit-border-radius-top-left",
"-webkit-border-radius-top-right",
"-webkit-border-top-left-radius",
"-webkit-border-top-right-radius",
"-webkit-box-shadow",
"azimuth",
"background",
"background-attachment",
"background-color",
"background-image",
"background-position",
"background-repeat",
"border",
"border-bottom",
"border-bottom-color",
"border-bottom-left-radius",
"border-bottom-right-radius",
"border-bottom-style",
"border-bottom-width",
"border-collapse",
"border-color",
"border-left",
"border-left-color",
"border-left-style",
"border-left-width",
"border-radius",
"border-right",
"border-right-color",
"border-right-style",
"border-right-width",
"border-spacing",
"border-style",
"border-top",
"border-top-color",
"border-top-left-radius",
"border-top-right-radius",
"border-top-style",
"border-top-width",
"border-width",
"box-shadow",
"caption-side",
"color",
"cue",
"cue-after",
"cue-before",
"direction",
"elevation",
"empty-cells",
"font",
"font-family",
"font-size",
"font-stretch",
"font-style",
"font-variant",
"font-weight",
"height",
"image()",
"letter-spacing",
"line-height",
"linear-gradient()",
"list-style",
"list-style-image",
"list-style-position",
"list-style-type",
"margin",
"margin-bottom",
"margin-left",
"margin-right",
"margin-top",
"max-height",
"max-width",
"min-height",
"min-width",
"outline",
"outline-color",
"outline-style",
"outline-width",
"padding",
"padding-bottom",
"padding-left",
"padding-right",
"padding-top",
"pause",
"pause-after",
"pause-before",
"pitch",
"pitch-range",
"quotes",
"radial-gradient()",
"rect()",
"repeating-linear-gradient()",
"repeating-radial-gradient()",
"rgb()",
"rgba()",
"richness",
"speak",
"speak-header",
"speak-numeral",
"speak-punctuation",
"speech-rate",
"stress",
"table-layout",
"text-align",
"text-decoration",
"text-indent",
"text-overflow",
"text-shadow",
"text-transform",
"text-wrap",
"unicode-bidi",
"vertical-align",
"voice-family",
"volume",
"white-space",
"width",
"word-spacing",
"word-wrap"
);
/**
* A schema that includes only those properties on the default schema
* white-list.
*/
public static final CssSchema DEFAULT =
CssSchema.withProperties(DEFAULT_WHITELIST);
/** Dumps key and literal list to stdout for easy examination. */
public static void main(String... argv) {
SortedSet keys = Sets.newTreeSet();
SortedSet literals = Sets.newTreeSet();
for (ImmutableMap.Entry e : DEFINITIONS.entrySet()) {
keys.add(e.getKey());
literals.addAll(e.getValue().literals);
}
System.out.println(
"# Below two blocks of tokens.\n"
+ "#\n"
+ "# First are all property names.\n"
+ "# Those followed by an asterisk (*) are in the default white-list.\n"
+ "#\n"
+ "# Second are the literal tokens recognized in any defined property\n"
+ "# value.\n"
);
for (String key : keys) {
System.out.print(key);
if (DEFAULT_WHITELIST.contains(key)) { System.out.print("*"); }
System.out.println();
}
System.out.println();
for (String literal : literals) {
System.out.println(literal);
}
}
}
