Declared in NSCharacterSet+HTML.h

Overview

Category on NSCharacterSet to create character sets frequently used and relevant to HTML and CSS string manipulations. Each character set is only initialized once.

Tasks

HTML Character Sets

CSS Character Sets

Class Methods

cssLengthUnitCharacterSet

Characterset of characters that make up units in CSS lengths

+ (NSCharacterSet *)cssLengthUnitCharacterSet

Return Value

An NSCharacterSet

Declared In

NSCharacterSet+HTML.h

cssLengthValueCharacterSet

Characterset of characters that make up units in CSS values

+ (NSCharacterSet *)cssLengthValueCharacterSet

Return Value

An NSCharacterSet

Declared In

NSCharacterSet+HTML.h

cssStyleAttributeNameCharacterSet

Creates an alpha-numeric character set just as tagNameCharacterSet does but also with the dash and underscore characters. Does not contain the colon character because it will mess up parsing of CSS style attributes. Useful for CSS attribute names.

+ (NSCharacterSet *)cssStyleAttributeNameCharacterSet

Return Value

An NSCharacterSet with alpha-numeric characters, dash, and underscore characters.

Declared In

NSCharacterSet+HTML.h

ignorableWhitespaceCharacterSet

Creates a characterset of all whitespace and newline characters that can be ignored between HTML tags

+ (NSCharacterSet *)ignorableWhitespaceCharacterSet

Return Value

An NSCharacterSet of ignorable characters

Declared In

NSCharacterSet+HTML.h

nonQuotedAttributeEndCharacterSet

Creates a character set with the characters forward slash / and closing angle bracket aka greater than sign >, then forms the union of this character set with the whitespace character set which includes space, tab, newline, and nextline characters. Useful to find the end of an attribute.

+ (NSCharacterSet *)nonQuotedAttributeEndCharacterSet

Return Value

An NSCharacterSet with the forward slash, closing angle bracket characters, tab, space, newline, and nextline characters.

Declared In

NSCharacterSet+HTML.h

quoteCharacterSet

Creates a character set with the apostrophe character ‘ (used as single quote agnostic of direction) and double quote character “ (agnostic of direction).

+ (NSCharacterSet *)quoteCharacterSet

Return Value

An NSCharacterSet with the single quote and double quote characters: ‘, “.

Declared In

NSCharacterSet+HTML.h

tagAttributeNameCharacterSet

Creates an alpha-numeric character set just as tagNameCharacterSet does but also with colon, dash, and underscore characters, appropriate for tag attribute names.

+ (NSCharacterSet *)tagAttributeNameCharacterSet

Return Value

An NSCharacterSet with alpha-numeric characters and colon :, dash -, and underscore _‘.

Declared In

NSCharacterSet+HTML.h

tagNameCharacterSet

Creates an alpha-numeric character set, appropriate for tag names.

+ (NSCharacterSet *)tagNameCharacterSet

Return Value

An NSCharacterSet with alpha-numeric characters. a-Z, 0-9.

Declared In

NSCharacterSet+HTML.h