1 files changed, 107 insertions, 0 deletions
diff --git a/lib/xsd/xmlparser/parser.rb b/lib/xsd/xmlparser/parser.rb
new file mode 100644
index 0000000000..0c7fd48084
--- /dev/null
+++ b/lib/xsd/xmlparser/parser.rb
@@ -0,0 +1,107 @@
+=begin
+XSD4R - XML Instance 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/qname'
+require 'xsd/ns'
+require 'xsd/charset'
+
+
+module XSD
+module XMLParser
+
+
+class Parser
+  class ParseError < Error; end
+  class FormatDecodeError < ParseError; end
+  class UnknownElementError < FormatDecodeError; end
+  class UnknownAttributeError < FormatDecodeError; end
+  class UnexpectedElementError < FormatDecodeError; end
+  class ElementConstraintError < FormatDecodeError; end
+
+  @@parser_factory = nil
+
+  def self.factory
+    @@parser_factory
+  end
+
+  def self.create_parser(host, opt = {})
+    @@parser_factory.new(host, opt)
+  end
+
+  def self.add_factory(factory)
+    if $DEBUG
+      puts "Set #{ factory } as XML processor."
+    end
+    @@parser_factory = factory
+  end
+
+public
+
+  attr_accessor :charset
+
+  def initialize(host, opt = {})
+    @host = host
+    @charset = opt[:charset] || 'us-ascii'
+  end
+
+  def parse(string_or_readable)
+    @textbuf = ''
+    prologue
+    do_parse(string_or_readable)
+    epilogue
+  end
+
+private
+
+  def do_parse(string_or_readable)
+    raise NotImplementError.new(
+      'Method do_parse must be defined in derived class.')
+  end
+
+  def start_element(name, attrs)
+    @host.start_element(name, attrs)
+  end
+
+  def characters(text)
+    @host.characters(text)
+  end
+
+  def end_element(name)
+    @host.end_element(name)
+  end
+
+  def prologue
+  end
+
+  def epilogue
+  end
+
+  def xmldecl_encoding=(charset)
+    if @charset.nil?
+      @charset = charset
+    else
+      # Definition in a stream (like HTTP) has a priority.
+      p "encoding definition: #{ charset } is ignored." if $DEBUG
+    end
+  end
+end
+
+
+end
+end