A document has been updated:
http://cocoon.zones.apache.org/daisy/documentation/732.html
Document ID: 732
Branch: main
Language: default
Name: Cocoon Sitemap internals (unchanged)
Document Type: Cocoon Document (unchanged)
Updated on: 2/20/06 8:31:32 AM
Updated by: Helma van der Linden
A new version has been created, state: publish
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<p>In Cocoon 2.2 the sitemap is internally represented by a tree that
contains a
node for each matcher, generator, transformer, serializer and other
components
--- used in the sitemap. This process is executed at Cocoon startup and each
time
+++ used in the sitemap. In this context "tree" means an Abstract Syntax Tree
as is
+++ commonly meant in parsers: a tree of "executable objects", which is built by
+++ parsing the sitemap.xmap file. The tree is built at Cocoon startup and each
time
the sitemap is changed and needs to be reloaded. This is done for each
sitemap
and subsitemap.</p>
--- <p class="note">Here "tree" means an Abstract Syntax Tree as is commonly
meant
--- in parsers: a tree of "executable objects", which is built by parsing the
--- sitemap.xmap file.</p>
---
<p class="note">Subsitemaps are only converted into a tree when they are
needed.
</p>
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(this was chosen for its ease of use compared to raw DOM).</p>
<p>The second section in the sitemaplanguage configuration, <nodes>,
--- defines a ComponentSelector for ProcessingNodeBuilders. For each elementÂ
+++ defines a ComponentSelector for ProcessingNodeBuilders. For each element
encountered in the sitemap source file, the corresponding node builder is
fetched from this selector with the local name of the element as the
selection
hint, i.e. <map:act> will lead to selector.select("act").</p>
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