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=begin
XSD4R - XMLScan XML parser library.
Copyright (C) 2002, 2003 NAKAMURA, Hiroshi.
This program is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free Software
Foundation; either version 2 of the License, or (at your option) any later
version.
This program is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
PRATICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with
this program; if not, write to the Free Software Foundation, Inc., 675 Mass
Ave, Cambridge, MA 02139, USA.
=end
require 'xsd/xmlparser'
require 'xmlscan/scanner'
module XSD
module XMLParser
class XMLScanner < XSD::XMLParser::Parser
include XMLScan::Visitor
def do_parse(string_or_readable)
@attrs = {}
@curattr = nil
@scanner = XMLScan::XMLScanner.new(self)
@scanner.kcode = ::XSD::Charset.charset_str(charset) if charset
@scanner.parse(string_or_readable)
end
def scanner_kcode=(charset)
@scanner.kcode = ::XSD::Charset.charset_str(charset) if charset
self.xmldecl_encoding = charset
end
ENTITY_REF_MAP = {
'lt' => '<',
'gt' => '>',
'amp' => '&',
'quot' => '"',
'apos' => '\''
}
def parse_error(msg)
raise ParseError.new(msg)
end
def wellformed_error(msg)
raise NotWellFormedError.new(msg)
end
def valid_error(msg)
raise NotValidError.new(msg)
end
def warning(msg)
p msg if $DEBUG
end
# def on_xmldecl; end
def on_xmldecl_version(str)
# 1.0 expected.
end
def on_xmldecl_encoding(str)
self.scanner_kcode = str
end
# def on_xmldecl_standalone(str); end
# def on_xmldecl_other(name, value); end
# def on_xmldecl_end; end
# def on_doctype(root, pubid, sysid); end
# def on_prolog_space(str); end
# def on_comment(str); end
# def on_pi(target, pi); end
def on_chardata(str)
characters(str)
end
# def on_cdata(str); end
def on_etag(name)
end_element(name)
end
def on_entityref(ref)
characters(ENTITY_REF_MAP[ref])
end
def on_charref(code)
characters([code].pack('U'))
end
def on_charref_hex(code)
on_charref(code)
end
# def on_start_document; end
# def on_end_document; end
def on_stag(name)
@attrs = {}
end
def on_attribute(name)
@attrs[name] = @curattr = ''
end
def on_attr_value(str)
@curattr << str
end
def on_attr_entityref(ref)
@curattr << ENTITY_REF_MAP[ref]
end
def on_attr_charref(code)
@curattr << [code].pack('U')
end
def on_attr_charref_hex(code)
on_attr_charref(code)
end
# def on_attribute_end(name); end
def on_stag_end_empty(name)
on_stag_end(name)
on_etag(name)
end
def on_stag_end(name)
start_element(name, @attrs)
end
add_factory(self)
end
end
end
|
