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/libraries/htmlpurifier/library/HTMLPurifier/ -> Lexer.php (summary)

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File Size: 298 lines (11 kb)
Included or required: 1 time
Referenced: 0 times
Includes or requires: 0 files

Defines 1 class

HTMLPurifier_Lexer:: (9 methods):
  create()
  __construct()
  parseData()
  tokenizeHTML()
  escapeCDATA()
  escapeCommentedCDATA()
  CDATACallback()
  normalize()
  extractBody()


Class: HTMLPurifier_Lexer  - X-Ref

Forgivingly lexes HTML (SGML-style) markup into tokens.

A lexer parses a string of SGML-style markup and converts them into
corresponding tokens.  It doesn't check for well-formedness, although its
internal mechanism may make this automatic (such as the case of
HTMLPurifier_Lexer_DOMLex).  There are several implementations to choose
from.

A lexer is HTML-oriented: it might work with XML, but it's not
recommended, as we adhere to a subset of the specification for optimization
reasons. This might change in the future. Also, most tokenizers are not
expected to handle DTDs or PIs.

This class should not be directly instantiated, but you may use create() to
retrieve a default copy of the lexer.  Being a supertype, this class
does not actually define any implementation, but offers commonly used
convenience functions for subclasses.

create($config)   X-Ref
Retrieves or sets the default Lexer as a Prototype Factory.

By default HTMLPurifier_Lexer_DOMLex will be returned. There are
a few exceptions involving special features that only DirectLex
implements.

param: $config Instance of HTMLPurifier_Config
return: Concrete lexer.

__construct()   X-Ref
No description

parseData($string)   X-Ref
Parses special entities into the proper characters.

This string will translate escaped versions of the special characters
into the correct ones.

returns: Parsed character data.
param: $string String character data to be parsed.

tokenizeHTML($string, $config, $context)   X-Ref
Lexes an HTML string into tokens.

param: $string String HTML.
return: HTMLPurifier_Token array representation of HTML.

escapeCDATA($string)   X-Ref
Translates CDATA sections into regular sections (through escaping).

returns: HTML with CDATA sections escaped.
param: $string HTML string to process.

escapeCommentedCDATA($string)   X-Ref
Special CDATA case that is especially convoluted for <script>


CDATACallback($matches)   X-Ref
Callback function for escapeCDATA() that does the work.

returns: Escaped internals of the CDATA section.

normalize($html, $config, $context)   X-Ref
Takes a piece of HTML and normalizes it by converting entities, fixing
encoding, extracting bits, and other good stuff.


extractBody($html)   X-Ref
Takes a string of HTML (fragment or document) and returns the content




Generated: Fri Nov 28 20:08:37 2014 Cross-referenced by PHPXref 0.7.1