Class: Plist::StreamParser
- Inherits:
-
Object
- Object
- Plist::StreamParser
- Defined in:
- lib/searchlink/plist.rb
Constant Summary collapse
- TEXT =
/([^<]+)/.freeze
- XMLDECL_PATTERN =
/<\?xml\s+(.*?)\?>*/um.freeze
- DOCTYPE_PATTERN =
/\s*<!DOCTYPE\s+(.*?)(\[|>)/um.freeze
- COMMENT_START =
/\A<!--/u.freeze
- COMMENT_END =
/.*?-->/um.freeze
Instance Method Summary collapse
-
#initialize(plist_data_or_file, listener) ⇒ StreamParser
constructor
A new instance of StreamParser.
- #parse ⇒ Object
Constructor Details
#initialize(plist_data_or_file, listener) ⇒ StreamParser
Returns a new instance of StreamParser.
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# File 'lib/searchlink/plist.rb', line 48 def initialize(plist_data_or_file, listener) @xml = if plist_data_or_file.respond_to? :read plist_data_or_file.read elsif File.exist? plist_data_or_file File.read(plist_data_or_file) else plist_data_or_file end @listener = listener end |
Instance Method Details
#parse ⇒ Object
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# File 'lib/searchlink/plist.rb', line 66 def parse = PTag.mappings.keys.join("|") start_tag = /<(#{})([^>]*)>/i end_tag = %r{</(#{})[^>]*>}i require "strscan" @scanner = StringScanner.new(@xml) until @scanner.eos? if @scanner.scan(COMMENT_START) @scanner.scan(COMMENT_END) elsif @scanner.scan(XMLDECL_PATTERN) elsif @scanner.scan(DOCTYPE_PATTERN) elsif @scanner.scan(start_tag) @listener.tag_start(@scanner[1], nil) @listener.tag_end(@scanner[1]) if @scanner[2] =~ %r{/$} elsif @scanner.scan(TEXT) @listener.text(@scanner[1]) elsif @scanner.scan(end_tag) @listener.tag_end(@scanner[1]) else raise "Unimplemented element" end end end |