module REXML # A template for stream parser listeners. # Note that the declarations (attlistdecl, elementdecl, etc) are trivially # processed; REXML doesn't yet handle doctype entity declarations, so you # have to parse them out yourself. module StreamListener # Called when a tag is encountered. # @p name the tag name # @p attrs an array of arrays of attribute/value pairs, suitable for # use with assoc or rassoc. IE, # will result in # tag_start( "tag", # [["attr1","value1"],["attr2","value2"]]) def tag_start name, attrs end # Called when the end tag is reached. In the case of , tag_end # will be called immidiately after tag_start # @p the name of the tag def tag_end name end # Called when text is encountered in the document # @p text the text content. def text text end # Called when an instruction is encountered. EG: # @p name the instruction name; in the example, "xsl" # @p instruction the rest of the instruction. In the example, # "sheet='foo'" def instruction name, instruction end # Called when a comment is encountered. # @p comment The content of the comment def comment comment end # Handles a doctype declaration. Any attributes of the doctype which are # not supplied will be nil. # EG, # @p name the name of the doctype; EG, "me" # @p pub_sys "PUBLIC", "SYSTEM", or nil. EG, "PUBLIC" # @p long_name the supplied long name, or nil. EG, "foo" # @p uri the uri of the doctype, or nil. EG, "bar" def doctype name, pub_sys, long_name, uri end # Called when the doctype is done def doctype_end end # If a doctype includes an ATTLIST declaration, it will cause this # method to be called. The content is the declaration itself, unparsed. # EG, will come to this method as "el # attr CDATA #REQUIRED". This is the same for all of the .*decl # methods. def attlistdecl element_name, attributes, raw_content end # def elementdecl content end # # The argument passed to this method is an array of the entity # declaration. It can be in a number of formats, but in general it # returns (example, result): # # ["YN", "\"Yes\"", "%"] # # ["YN", "Yes", "%"] # # ["WhatHeSaid", "He said %YN;"] # # ["open-hatch", "SYSTEM", "http://www.textuality.com/boilerplate/OpenHatch.xml"] # # ["open-hatch", "PUBLIC", "-//Textuality//TEXT Standard open-hatch boilerplate//EN", "http://www.textuality.com/boilerplate/OpenHatch.xml"] # # ["hatch-pic", "SYSTEM", "../grafix/OpenHatch.gif", "gif"] def entitydecl content end # def notationdecl content end # Called when %foo; is encountered in a doctype declaration. # @p content "foo" def entity content end # Called when is encountered in a document. # @p content "..." def cdata content end # Called when an XML PI is encountered in the document. # EG: # @p version the version attribute value. EG, "1.0" # @p encoding the encoding attribute value, or nil. EG, "utf" # @p standalone the standalone attribute value, or nil. EG, nil def xmldecl version, encoding, standalone end end end