# Image Module

# This file is based upon the work of James Clark "Modularization of XHTML in RELAX NG"
# (see http://www.thaiopensource.com/relaxng/xhtml/ and
# the accompanying jing-copying.html file)
# All changes are marked with relevant comments.
# The following license refers just to those changes.

# Copyright (c) 2005 Petr Nalevka
# Copyright (c) 2007 Mozilla Foundation
# All rights reserved.
# 
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
# 3. The name of the author may not be used to endorse or promote products
#    derived from this software without specific prior written permission.
# 
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

default namespace = "http://www.w3.org/1999/xhtml"
namespace sch = "http://www.ascc.net/xml/schematron"

sch:ns [ prefix = "html" uri = "http://www.w3.org/1999/xhtml" ]
[
    #  added - images contained in button element shall not have usemap atribute specified
    
    sch:pattern [
        name = "button.img.usemap"
        "\x{a}" ~
        "      "
        sch:rule [
            context = "html:button"
            "\x{a}" ~
            "          "
            sch:report [
                test = "descendant::html:img[@usemap]"
                "\x{a}" ~
                "               Images contained in button element shall not have usemap atribute specified.\x{a}" ~
                "          "
            ]
            "\x{a}" ~
            "      "
        ]
        "\x{a}" ~
        "  "
    ]
]
img = element img { img.attlist, empty }
img.attlist =
    Common.attrib,
    attribute src { uri.datatype },
    attribute alt { text.datatype },
    attribute longdesc { uri.datatype }?,
    attribute height { length.datatype }?,
    attribute width { length.datatype }?
Inline.class |= img
