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author | (no author) <(no author)@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2004-04-06 08:02:56 +0000 |
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committer | (no author) <(no author)@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2004-04-06 08:02:56 +0000 |
commit | 5923a2c0e770515a9c7144c50e09a32350695b00 (patch) | |
tree | 66882c2ac60d7d1b25bb49ee476cb829695aa906 /lib/rss/xmlscanner.rb | |
parent | 8e773df6d3b68caf2e56e6c75a8e48bf2ccc1bd3 (diff) |
This commit was manufactured by cvs2svn to create branch 'ruby_1_8'.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@6109 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'lib/rss/xmlscanner.rb')
-rw-r--r-- | lib/rss/xmlscanner.rb | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/lib/rss/xmlscanner.rb b/lib/rss/xmlscanner.rb new file mode 100644 index 0000000000..4ab997062d --- /dev/null +++ b/lib/rss/xmlscanner.rb @@ -0,0 +1,102 @@ +require 'xmlscan/scanner' + +module RSS + + class XMLScanParser < BaseParser + + private + def listener + XMLScanListener + end + + def _parse + begin + XMLScan::XMLScanner.new(@listener).parse(@rss) + rescue XMLScan::Error => e + raise NotWellFormedError.new(e.lineno){e.message} + end + end + + end + + class XMLScanListener < BaseListener + + include XMLScan::Visitor + include ListenerMixin + + ENTITIES = { + 'lt' => '<', + 'gt' => '>', + 'amp' => '&', + 'quot' => '"', + 'apos' => '\'' + } + + def on_xmldecl_version(str) + @version = str + end + + def on_xmldecl_encoding(str) + @encoding = str + end + + def on_xmldecl_standalone(str) + @standalone = str + end + + def on_xmldecl_end + xmldecl(@version, @encoding, @standalone) + end + + alias_method(:on_pi, :instruction) + alias_method(:on_chardata, :text) + alias_method(:on_cdata, :text) + + def on_etag(name) + tag_end(name) + end + + def on_entityref(ref) + text(ENTITIES[ref]) + end + + def on_charref(code) + text([code].pack('U')) + end + + alias_method(:on_charref_hex, :on_charref) + + def on_stag(name) + @attrs = {} + end + + def on_attribute(name) + @attrs[name] = @current_attr = '' + end + + def on_attr_value(str) + @current_attr << str + end + + def on_attr_entityref(ref) + @current_attr << ENTITIES[ref] + end + + def on_attr_charref(code) + @current_attr << [code].pack('U') + end + + alias_method(:on_attr_charref_hex, :on_attr_charref) + + def on_stag_end(name) + tag_start(name, @attrs) + end + + def on_stag_end_empty(name) + tag_start(name, @attrs) + tag_end(name) + end + + end + +end |