freenet.client.filter

Class ElementInfo

java.lang.Object

freenet.client.filter.ElementInfo

public class ElementInfo
extends java.lang.Object

Field Summary

Fields

Modifier and Type	Field and Description
static boolean	ALLOW_ALL_VALID_STRINGS
static java.util.Set<java.lang.String>	AURALMEDIA
static java.util.Set<java.lang.String>	BANNED_PSEUDOCLASS
static boolean	disallowNonAlnumFonts If true, and above is false, allow font names only if they consist entirely of spaces, numbers, letters, and ._-,+~
static boolean	disallowUnknownSpecificFonts
static java.util.Set<java.lang.String>	FONTS
static java.util.Set<java.lang.String>	GENERIC_FONT_KEYWORDS
static java.util.Set<java.lang.String>	GENERIC_VOICE_KEYWORDS
static java.util.Set<java.lang.String>	HTML_ELEMENTS
static java.util.Set<java.lang.String>	LANGUAGES
static java.util.Set<java.lang.String>	MEDIA
static java.util.Set<java.lang.String>	PSEUDOCLASS
static java.util.Set<java.lang.String>	REPLACED_ELEMENTS
static int	UPPERLIMIT
static java.util.Set<java.lang.String>	VISUALINTERACTIVEMEDIA
static java.util.Set<java.lang.String>	VISUALMEDIA
static java.util.Set<java.lang.String>	VISUALPAGEDMEDIA
static java.util.Set<java.lang.String>	VOID_ELEMENTS

Constructor Summary

Constructors

Constructor and Description
ElementInfo()

Method Summary

Modifier and Type	Method and Description
static java.lang.String	getPseudoClassArg(java.lang.String cname, java.lang.String cname_sans_arg)
static boolean	isBannedPseudoClass(java.lang.String cname)
static boolean	isGenericFontFamily(java.lang.String font) font must be lower-case
static boolean	isGenericVoiceFamily(java.lang.String font) font must be lower-case
static boolean	isSpecificFontFamily(java.lang.String font)
static boolean	isSpecificVoiceFamily(java.lang.String font)
static boolean	isValidHTMLTag(java.lang.String tag)
static boolean	isValidIdentifier(java.lang.String name)
static boolean	isValidName(java.lang.String name) According to the HTML spec, ID must begin with a letter A-Za-z, and may be followed by any number of [a-zA-Z0-9-_:.].
static boolean	isValidPseudoClass(java.lang.String cname)
static boolean	isValidString(java.lang.String name) Is the string valid and safe?
static boolean	isValidStringDecoded(java.lang.String s)
static boolean	isValidStringWithQuotes(java.lang.String string)
static boolean	isVoidElement(java.lang.String element)
static boolean	isWordPrefixOrMatchOfSpecificFontFamily(java.lang.String prefix)
static boolean	tryAutoClose(java.lang.String element) These elements are frequently used one after the other, and are invalid inside each other.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

disallowUnknownSpecificFonts

public static final boolean disallowUnknownSpecificFonts

See Also:

Constant Field Values

disallowNonAlnumFonts

public static final boolean disallowNonAlnumFonts

If true, and above is false, allow font names only if they consist entirely of spaces, numbers, letters, and ._-,+~

See Also:

Constant Field Values

UPPERLIMIT

public static final int UPPERLIMIT

See Also:

Constant Field Values

VOID_ELEMENTS

public static final java.util.Set<java.lang.String> VOID_ELEMENTS

HTML_ELEMENTS

public static final java.util.Set<java.lang.String> HTML_ELEMENTS

REPLACED_ELEMENTS

public static final java.util.Set<java.lang.String> REPLACED_ELEMENTS

LANGUAGES

public static final java.util.Set<java.lang.String> LANGUAGES

MEDIA

public static final java.util.Set<java.lang.String> MEDIA

VISUALMEDIA

public static final java.util.Set<java.lang.String> VISUALMEDIA

AURALMEDIA

public static final java.util.Set<java.lang.String> AURALMEDIA

VISUALPAGEDMEDIA

public static final java.util.Set<java.lang.String> VISUALPAGEDMEDIA

VISUALINTERACTIVEMEDIA

public static final java.util.Set<java.lang.String> VISUALINTERACTIVEMEDIA

FONTS

public static final java.util.Set<java.lang.String> FONTS

GENERIC_FONT_KEYWORDS

public static final java.util.Set<java.lang.String> GENERIC_FONT_KEYWORDS

GENERIC_VOICE_KEYWORDS

public static final java.util.Set<java.lang.String> GENERIC_VOICE_KEYWORDS

PSEUDOCLASS

public static final java.util.Set<java.lang.String> PSEUDOCLASS

BANNED_PSEUDOCLASS

public static final java.util.Set<java.lang.String> BANNED_PSEUDOCLASS

ALLOW_ALL_VALID_STRINGS

public static final boolean ALLOW_ALL_VALID_STRINGS

See Also:

Constant Field Values

Constructor Detail

ElementInfo

public ElementInfo()

Method Detail

isSpecificFontFamily

public static boolean isSpecificFontFamily(java.lang.String font)

isSpecificVoiceFamily

public static boolean isSpecificVoiceFamily(java.lang.String font)

isGenericFontFamily

public static boolean isGenericFontFamily(java.lang.String font)

font must be lower-case

isGenericVoiceFamily

public static boolean isGenericVoiceFamily(java.lang.String font)

font must be lower-case

isWordPrefixOrMatchOfSpecificFontFamily

public static boolean isWordPrefixOrMatchOfSpecificFontFamily(java.lang.String prefix)

isVoidElement

public static boolean isVoidElement(java.lang.String element)

tryAutoClose

public static boolean tryAutoClose(java.lang.String element)

These elements are frequently used one after the other, and are invalid inside each other. AFAICS only

.

isValidHTMLTag

public static boolean isValidHTMLTag(java.lang.String tag)

isValidName

public static boolean isValidName(java.lang.String name)

According to the HTML spec, ID must begin with a letter A-Za-z, and may be followed by any number of [a-zA-Z0-9-_:.]. It is not spelled out what is allowed in class, but we are assuming the same is true there.

Returns:

Whether the string is a valid ID for HTML purposes.

isValidIdentifier

public static boolean isValidIdentifier(java.lang.String name)

isBannedPseudoClass

public static boolean isBannedPseudoClass(java.lang.String cname)

isValidPseudoClass

public static boolean isValidPseudoClass(java.lang.String cname)

getPseudoClassArg

public static java.lang.String getPseudoClassArg(java.lang.String cname,
                                                 java.lang.String cname_sans_arg)

isValidString

public static boolean isValidString(java.lang.String name)

Is the string valid and safe?

Parameters:

name - The string to parse, in its original encoded form.

isValidStringDecoded

public static boolean isValidStringDecoded(java.lang.String s)

isValidStringWithQuotes

public static boolean isValidStringWithQuotes(java.lang.String string)