On 06/09/2016 09:34 AM, Thomas Dumm wrote:
Is there a way to generate sematic XHTML but retain the ruling and
shading of tables either via added styles or classes?
Yes.
I naively tried with edit.prune.preserve "background-color" which did
not show any consequence.
It's slightly more complicated than this.
Here's the XED script:
---
namespace "http://www.w3.org/1999/xhtml";;
namespace html = "http://www.w3.org/1999/xhtml";;
for-each /html/body//*[self::td or self::tr or self::table] {
set-variable("bg", lookup-style("background-color"));
if $bg {
set-attribute("style", concat("background-color: ", $bg, ";"));
}
}
---
I stored it in a file called "before-remove-styles.xed", but the file
name does not matter. Could be foobar.xed.
You must pass it to w2x (or w2x-app in an option file) as follows:
-pu edit.before.remove-styles "before-remove-styles.xed"
Now a few explanations:
* The semantic XHTML is created using "w2x_install_dir/xed/main.xed".
* One of the steps of "main.xed" is "remove-styles.xed" which removes
all *interned* styles and classes from the XHTML input file.
(Interning styles and classes allows a fast lookup of CSS styles. More
info in http://www.xmlmind.com/w2x/_distrib/doc/xedscript/parse-styles.html)
* for-each /html/body//*[self::td or self::tr or self::table]
iterates over cells, rows and tables.
* lookup-style("background-color") returns the value of CSS property
background-color not matter how this property has been specified.
See
http://www.xmlmind.com/w2x/_distrib/doc/xedscript/w2xfuncs.html#lookup-style
* If a cell, row and table has a background color, then give it an
actual style attribute (not an interned style) with this property.
See http://www.xmlmind.com/w2x/_distrib/doc/xedscript/set-attribute.html
* In "main.xed", after "remove-styles.xed", you'll find
"finish-styles.xed" which discards all interned styles and classes.
However "finish-styles.xed" does *not* discard actual style and class
attributes.
namespace "http://www.w3.org/1999/xhtml";;
namespace html = "http://www.w3.org/1999/xhtml";;
for-each /html/body//*[self::td or self::tr or self::table] {
set-variable("bg", lookup-style("background-color"));
if $bg {
set-attribute("style", concat("background-color: ", $bg, ";"));
}
}
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