Page Speed Optimization Libraries  1.12.34.1
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net_instaweb::BaseTagFilter Class Reference

#include "base_tag_filter.h"

Inheritance diagram for net_instaweb::BaseTagFilter:
net_instaweb::EmptyHtmlFilter net_instaweb::HtmlFilter

Public Member Functions

 BaseTagFilter (RewriteDriver *driver)
 
virtual void StartDocument ()
 
virtual void StartElement (HtmlElement *element)
 
virtual const char * Name () const
 The name of this filter – used for logging and debugging.
 
- Public Member Functions inherited from net_instaweb::EmptyHtmlFilter
virtual void EndDocument ()
 
virtual void EndElement (HtmlElement *element)
 
virtual void Cdata (HtmlCdataNode *cdata)
 Called for CDATA blocks (e.g. <![CDATA[foobar]]>)
 
virtual void Comment (HtmlCommentNode *comment)
 Called for HTML comments that aren't IE directives (e.g. ).
 
virtual void IEDirective (HtmlIEDirectiveNode *directive)
 
virtual void Characters (HtmlCharactersNode *characters)
 Called for raw characters between tags.
 
virtual void Directive (HtmlDirectiveNode *directive)
 Called for HTML directives (e.g. <!doctype foobar>).
 
virtual void Flush ()
 
virtual void DetermineEnabled (GoogleString *disabled_reason)
 
virtual bool CanModifyUrls ()
 
ScriptUsage GetScriptUsage () const override
 
- Public Member Functions inherited from net_instaweb::HtmlFilter
virtual void RenderDone ()
 
bool is_enabled () const
 
void set_is_enabled (bool is_enabled)
 

Additional Inherited Members

- Public Types inherited from net_instaweb::HtmlFilter
enum  ScriptUsage { kWillInjectScripts, kMayInjectScripts, kNeverInjectsScripts }
 Describes a filter's relationship with scripts. More...
 

Detailed Description

Add this filter into the HtmlParse chain to add a base tag into the head section of an HTML document.

Member Function Documentation

virtual void net_instaweb::BaseTagFilter::StartDocument ( )
inlinevirtual

Starts a new document. Filters should clear their state in this function, as the same Filter instance may be used for multiple HTML documents.

Reimplemented from net_instaweb::EmptyHtmlFilter.

virtual void net_instaweb::BaseTagFilter::StartElement ( HtmlElement element)
virtual

When an HTML element is encountered during parsing, each filter's StartElement method is called. The HtmlElement lives for the entire duration of the document.

Todo:
TODO(jmarantz): consider passing handles rather than pointers and reference-counting them instead to save memory on long documents.

Reimplemented from net_instaweb::EmptyHtmlFilter.


The documentation for this class was generated from the following file: