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-# xml.tcl --
-#
-# This file provides generic XML services for all implementations.
-# This file supports Tcl 8.1 regular expressions.
-#
-# See tclparser.tcl for the Tcl implementation of a XML parser.
-#
-# Copyright (c) 2005 by Explain.
-# http://www.explain.com.au/
-# Copyright (c) 1998-2004 Zveno Pty Ltd
-# http://www.zveno.com/
-#
-# See the file "LICENSE" in this distribution for information on usage and
-# redistribution of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-#
-# $Id: xml-8.1.tcl,v 1.1.1.1 2009/01/16 22:11:49 joye Exp $
-
-package require Tcl 8.1
-
-package provide xmldefs 3.2
-
-package require sgml 1.8
-
-namespace eval xml {
-
- namespace export qnamesplit
-
- # Convenience routine
- proc cl x {
- return "\[$x\]"
- }
-
- # Define various regular expressions
-
- # Characters
- variable Char $::sgml::Char
-
- # white space
- variable Wsp " \t\r\n"
- variable allWsp [cl $Wsp]*
- variable noWsp [cl ^$Wsp]
-
- # Various XML names and tokens
-
- variable NameChar $::sgml::NameChar
- variable Name $::sgml::Name
- variable Names $::sgml::Names
- variable Nmtoken $::sgml::Nmtoken
- variable Nmtokens $::sgml::Nmtokens
-
- # XML Namespaces names
-
- # NCName ::= Name - ':'
- variable NCName $::sgml::Name
- regsub -all : $NCName {} NCName
- variable QName (${NCName}:)?$NCName ;# (Prefix ':')? LocalPart
-
- # The definition of the Namespace URI for XML Namespaces themselves.
- # The prefix 'xml' is automatically bound to this URI.
- variable xmlnsNS http://www.w3.org/XML/1998/namespace
-
- # table of predefined entities
-
- variable EntityPredef
- array set EntityPredef {
- lt < gt > amp & quot \" apos '
- }
-
- # Expressions for pulling things apart
- variable tokExpr <(/?)([::xml::cl ^$::xml::Wsp>/]+)([::xml::cl $::xml::Wsp]*[::xml::cl ^>]*)>
- variable substExpr "\}\n{\\2} {\\1} {\\3} \{"
-
-}
-
-###
-### Exported procedures
-###
-
-# xml::qnamesplit --
-#
-# Split a QName into its constituent parts:
-# the XML Namespace prefix and the Local-name
-#
-# Arguments:
-# qname XML Qualified Name (see XML Namespaces [6])
-#
-# Results:
-# Returns prefix and local-name as a Tcl list.
-# Error condition returned if the prefix or local-name
-# are not valid NCNames (XML Name)
-
-proc xml::qnamesplit qname {
- variable NCName
- variable Name
-
- set prefix {}
- set localname $qname
- if {[regexp : $qname]} {
- if {![regexp ^($NCName)?:($NCName)\$ $qname discard prefix localname]} {
- return -code error "name \"$qname\" is not a valid QName"
- }
- } elseif {![regexp ^$Name\$ $qname]} {
- return -code error "name \"$qname\" is not a valid Name"
- }
-
- return [list $prefix $localname]
-}
-
-###
-### General utility procedures
-###
-
-# xml::noop --
-#
-# A do-nothing proc
-
-proc xml::noop args {}
-
-### Following procedures are based on html_library
-
-# xml::zapWhite --
-#
-# Convert multiple white space into a single space.
-#
-# Arguments:
-# data plain text
-#
-# Results:
-# As above
-
-proc xml::zapWhite data {
- regsub -all "\[ \t\r\n\]+" $data { } data
- return $data
-}
-