org.enhydra.xml.lazydom.html.edit-html-dom.sh Maven / Gradle / Ivy

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#!/bin/sh
#
# Edit one of the Xerces HTML DOM Java source files to derive from the lazy
# DOM.
#
#   edit-html-dom in.java out.java
#
# This makes the following edits:
#   - Change package name.
#   - Change package for some imports.
#   - Change several references from ElementImpl to LazyElement,
#   - Change HTMLElementImpl to LazyHTMLElement
#   - Change the element constructors to accept a template argument
#     and pass it to super. 
#   - Change several explict news of elements to pass in a null template.
#   - Changed one cast to ElementImpl into a cast to Element, which was
#     all that was really needed.
#   - Change references to HTMLDocumentImpl to LazyHTMLDocument
#   - Add import of LazyElement;
#   - Modify getChildNodes() of HTMLFormElementImpl and HTMLSelectElementImpl
#     to expand children.  These are the only two special cases where this
#     is needed since all other elements inherit getChildNodes() from
#     LazyElementNoNS which already does this.
#
if [ $# != 2 ] ; then
    echo "wrong # arguments: edit-html-dom in.java out.java" >&2
    exit 1
fi
inFile="$1"
outFile="$2"

rm -f $outFile
sed -e 's/org\.enhydra\.apache\.html\.dom/org.enhydra.xml.lazydom.html/' \
    -e 's/org\.enhydra\.apache\.xerces\.dom\.ElementImpl/org.enhydra.xml.lazydom.LazyElement/' \
    -e 's/ ElementImpl/ LazyElementNoNS/' \
    -e 's/extends HTMLElementImpl/extends LazyHTMLElement/' \
    -e 's/HTMLDocumentImpl owner, String name/LazyHTMLDocument owner, LazyElement template, String name/' \
    -e 's/super( owner, name/super( owner, template, name/' \
    -e 's/(HTMLDocumentImpl) getOwnerDocument(),/(LazyHTMLDocument) getOwnerDocument(), null,/' \
    -e 's/(ElementImpl)/(Element)/' \
    -e 's/HTMLDocumentImpl/LazyHTMLDocument/' \
    -e '/^package/a\
import org.enhydra.xml.lazydom.LazyElement;\
import org.enhydra.xml.lazydom.LazyElementNoNS;\
' \
	-e '/public NodeList getChildNodes\(\)/a\
         if \(\!areChildrenExpanded\(\)\) \{\
             expandChildren\(\);\
         }\
' \
     $inFile > $outFile