Class Auth_Yadis_ParseHTML

This class is responsible for scanning an HTML string to find META tags and their attributes. This is used by the Yadis discovery process. This class must be instantiated to be used.

Package: OpenID
Copyright: 2005-2008 Janrain, Inc.
License: Apache
Author: JanRain, Inc. openid@janrain.com
Located at zp-extensions/federated_logon/Auth/Yadis/ParseHTML.php

Methods summary
`public`	# `Auth_Yadis_ParseHTML( )`
`public string`	# `replaceEntities( string $str )` Replace HTML entities (amp, lt, gt, and quot) as well as numeric entities (e.g. #x9f;) with their actual values and return the new string. Replace HTML entities (amp, lt, gt, and quot) as well as numeric entities (e.g. #x9f;) with their actual values and return the new string. Parameters `$str` The string in which to look for entities Returns string $new_str The new string entities decoded
`public string`	# `removeQuotes( string $str )` Strip single and double quotes off of a string, if they are present. Strip single and double quotes off of a string, if they are present. Parameters `$str` The original string Returns string $new_str The new string with leading and trailing quotes removed
`public string`	# `tagPattern( mixed $tag_names, mixed $close, mixed $self_close )` Create a regular expression that will match an opening or closing tag from a set of names. Create a regular expression that will match an opening or closing tag from a set of names. Parameters `$tag_names` Tag names to match `$close` false/0 = no, true/1 = yes, other = maybe `$self_close` false/0 = no, true/1 = yes, other = maybe Returns string $regex A regular expression string to be used in, say, preg_match.
`public array`	# `getMetaTags( string $html_string )` Given an HTML document string, this finds all the META tags in the document, provided they are found in the ... section of the document. The tag may be missing. Given an HTML document string, this finds all the META tags in the document, provided they are found in the ... section of the document. The tag may be missing. Parameters `$html_string` An HTMl document string Returns array $tag_list Array of tags; each tag is an array of attribute -> value.
`public mixed`	# `getHTTPEquiv( string $html_string )` Looks for a META tag with an "http-equiv" attribute whose value is one of ("x-xrds-location", "x-yadis-location"), ignoring case. If such a META tag is found, its "content" attribute value is returned. Looks for a META tag with an "http-equiv" attribute whose value is one of ("x-xrds-location", "x-yadis-location"), ignoring case. If such a META tag is found, its "content" attribute value is returned. Parameters `$html_string` An HTML document in string format Returns mixed $content The "content" attribute value of the META tag, if found, or null if no such tag was found.

Properties summary
`public string`	`$_re_flags`	# `"si"`
`public string`	`$_removed_re`	# `"<!--.?-->\|<!\[CDATA\[.?\]\]>\|<script\b(?!:)[^>]>.?<\/script>"`
`public string`	`$_tag_expr`	# `"<%s%s(?:\s.*?)?%s>"`
`public string`	`$_attr_find`	# `'\b([-\w]+)=(".?"\|\'.?\'\|.+?)[\/\s>]'`

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Class Auth_Yadis_ParseHTML

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