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+ <title>Tatoo : the path forward</title>
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+ <div class="sws-slide sws-cover sws-option-nofooter">
+ <h1>Tatoo : the path forward</h1>
+ <h3>TYPEX meeting, Grenoble April 14-16 2014</h3>
+ <a href="mailto:kn@lri.fr">kn@lri.fr</a><br/>
+ <a href="http://www.lri.fr/~kn/">http://www.lri.fr/~kn</a>
+ </div>
+
+ <h1>XPath in nutshell</h1>
+ <div class="sws-slide">
+ <h1>XPath</h1>
+ <p>W3C <em>query</em> (sub-)language. Allows one to
+ denote a <em>set of nodes</em> in a document</p>
+ <code class="xpath">
+ /<span class="step"><span class="axis">descendant</span>::<span class="test">M</span></span>/<span class="step"><span class="axis">ancestor</span>::<span class="test">A</span><span class="filter">[ <span class="axis">descendant</span>::<span class="test">P</span> or <span class="axis">parent</span>::<span class="test">Q </span>]</span></span>/<span class="step"><span class="axis">child</span>::<span class="test">*</span></span></code>
+ <ul>
+ <li class="sws-pause">A path is made of several
+ steps <span style="color:green;">steps</span></li>
+ <li > A step is made of :
+ <ul>
+ <li class="sws-pause">An <span style="color:orange;">axis</span> amongst
+ : <tt>self</tt>, <tt>child</tt>, <tt>parent</tt>, <tt>descendant</tt>, <tt>ancestor</tt>, <tt>descendant-or-self</tt>, <tt>ancestor-or-self</tt>, <tt>following-sibling</tt>, <tt>preceding-sibling</tt>,
+ … </li>
+ <li class="sws-pause">A <span style="color:purple">node test</span> : label
+ name, <tt>*</tt>, <tt>text()</tt>, <tt>node()</tt>, …</li>
+ <li class="sws-pause"> An optional <span style="color:#88f">filter</span> : an XPath expression whose
+ truth value determine is the node is kept</li>
+ </ul>
+ </li>
+ </ul>
+ <script type="text/javascript">
+ <![CDATA[
+ var col_change = function (sel, col) {
+ return function (canvas) {
+ canvas.find(".xpath *").css("color","");
+ var objs = canvas.find(sel);
+ objs.css("color", col);
+ };
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+ reg ("4", col_change(".filter","#88f"));
+ ]]>
+ </script>
+
+ </div>
+ <div class="sws-slide">
+ <h1>Filters (or predicates)</h1>
+ <p>An <em>arbitrary expression</em> whose value is cast into a
+ Boolean (<tt>true</tt> keeps the selected node, <tt>false</tt>
+ discards it)</p>
+ <p>Example :</p>
+ <code>
+ //A[ child::B and .//* = count(/descendant::X) mod 12 ]
+ </code>
+ <ul>
+ <li><tt>*</tt> is an alias for <tt>child::*</tt></li>
+ <li><tt>//</tt> is an alias for <tt>/descendant-or-self::node()/</tt></li>
+ <li><tt>.</tt> is an alias for <tt>self::node()</tt></li>
+ </ul>
+ <p class="sws-pause" style="background:white">BTW: XPath semantics
+ is <span style="text-decoration:line-through">crazy</span> <em>rich</em>. In
+ the example we want all <tt>A</tt> nodes (ok) that have
+ a <tt>B</tt> child (ok) and <span class="sws-pause">that have a
+ descendant (hum… )
+ </span><span class="sws-pause">for which the (string) concatenation
+ of its text descendants (?) is equal to the number
+ of <tt>X</tt> elements in the document <tt>mod 12</tt>
+ (whaaat ?)</span>
+ </p>
+ </div>
+ <h1>Tatoo : what is it ? how does it work ?</h1>
+ <div class="sws-slide">
+ <h1>SXSI</h1>
+ <p>Succint XML Self-Index: (limited) XPath query engine developped during my
+ postdoc at Nicta. It uses:
+ </p>
+ <ul><li><em>Self-Index</em> developped by Mäkinen, Sirén, Valimaki :
+ stores a text <tt>T</tt> of <tt>N</tt> characters (in an
+ alphabet of size <tt>σ</tt>) in <tt>N·H<sub>k</sub>(T)
+ + o(N·log σ) bits</tt>.<br/>
+ Can answer queries like « <i>first position after i that
+ matches a constant string <tt>s</tt></i> » in <tt>O(|s|·log σ)</tt>
+ </li>
+ <li><em>Succinct tree index</em> of Arroyuello, Claude, Navarro :
+ stores a tree of size <tt>M</tt> with labels in an alphabet of
+ size <tt>θ</tt> in <tt>4M(2 + log θ) + o(M) bits</tt>. <br/>
+ Full navigation + jumping from a node to the next one with a
+ given label (and also LCA of two nodes) in O(1).
+ </li>
+ <li><em>Non det. alternating tree-automata</em> of Maneth and
+ myself, on the
+ fly determinization and approximation of the sets of relevant
+ nodes (worst case <tt>O(M·|A|)</tt> to evaluate an automaton
+ of size <tt>A</tt>).
+ </li>
+ </ul>
+ <p style="background:white">Can answer downward (no ancestor, parent, …) XPath with text
+ expressions of the form (<tt>f(., <i>constant</i>)</tt>,
+ with <tt>f ∈ { contains, starts-with, ends-with, =, <, > ,
+ <=, >= }</tt>). Translation from XPath to automata is
+ linear in size</p>
+ </div>
+ <div class="sws-slide">
+ <h1>Pros and cons of SXSI</h1>
+ <p>Pros</p>
+ <ul><li>For the considered subset: <em>much faster</em> than state of the
+ art optimized XML DB</li>
+ <li>Very <em>small space overhead</em></li>
+ <li>Theoreticall sound formalism, <em>proven worst-case
+ bounds</em></li>
+ </ul>
+ <p>Cons</p>
+ <ul><li>The subset is <s>too restricted</s> (no upward axes, no
+ arbitrary joins)</li>
+ <li> Encoding was <s>wrong</s> in subtle ways (e.g. in some corner
+ cases with double negations in filters)
+ </li>
+ </ul>
+
+ </div>
+ <div class="sws-slide">
+ <h1>Tree Automata TOOlkit</h1>
+ <p>Ré-implmentation of the automata part of SXSI</p>
+ <ul>
+ <li>Supports <em>full navigational XPath</em> (upward axis)</li>
+ <li>Retain polynomial (combined complexity) running
+ time, <i>i.e.</i> <tt>O(|Doc|·|Q|)</tt> for an XPath
+ query <tt>Q</tt>.
+ </li>
+ </ul>
+ </div>
+ <div class="sws-slide">
+ <h1>How does it work ?</h1>
+ <p>Sample document: <tt>alphabet.xml</tt>
+ </p>
+ <iframe src="alphabet.xhtml" style="width:99%;height:320pt;border-style:none;"
+ />
+ </div>
+ <div class="sws-slide">
+ <h1>Example 1 : <tt>/descendant::M</tt></h1>
+ <iframe src="ex1.html" style="margin:0pt 5% 0pt 5%;width:90%;height:320pt;border-style:none;"
+ />
+ </div>
+ <div class="sws-slide">
+ <h1>Example 2 </h1>
+ <code> /descendant::M/ancestor::A[ descendant::P or parent::Q ]/child::*</code>
+ <iframe src="ex2.html" style="margin:0pt 5% 0pt 5%;width:90%;height:320pt;border-style:none;"
+ />
+ </div>
+
+ <h1>Open problems, todos and future directions</h1>
+ <div class="sws-slide">
+ <h1>Todos/open problems</h1>
+ <ul>
+ <li>Update the analysis of <em>relevant nodes</em> to automata
+ with upward moves to deduce nodes that can be skipped</li>
+ <li>Use the succinct index</li>
+ <li>Add joins (automata product ?)</li>
+ <li>Prove the correctness of the translation (with Matthieu,
+ in Coq)</li>
+ <li>Polynomial complexity relies on the fact that the
+ automaton is <em>ranked</em> (vague notion, only implemented
+ not formalized )</li>
+ <li>Automata now looks like <em>μ-calculus</em> formulæ
+ (historically, I chose automata because I did not know much
+ about logics and automata <i>felt</i>
+ more <em>execution-oriented</em>)</li>
+ <li>Implement static analysis through decision procedure:
+ emptiness, non-reachability etc.</li>
+ </ul>
+ </div>
+ <div class="sws-slide">
+ <h1>Future directions</h1>
+ <ul>
+ <li>Probably want to ditch automata and used formula
+ instead</li>
+ <li>see if cycle-freeness of formula implies the ranking
+ property (I think so) </li>
+ <li>Like for formula, use dedicated moves/modalities for
+ attributes instead of poluting the automaton with the tree
+ encoding
+ </li>
+ <li>Implement decision procédure using automata techniques,
+ use performances of the super-solver™ as a goal
+ </li>
+ <li>Define aproximate, lineartime (on the fly) analyses to
+ perform more efficient evaluation
+ </li>
+ <li class="sws-pause">Your item of choice here</li>
+ </ul>
+ </div>
+
+ </body>
+</html>
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+</style></head><body><div id="webkit-xml-viewer-source-xml"><A id="n1" pre="1" post="26" xml:lang="en" xmlns:xml="http://www.w3.org/XML/1998/namespace"><B id="n2" pre="2" post="3"><C id="n3" pre="3" post="1">clergywoman</C><D id="n4" pre="4" post="2">decadent</D></B><E id="n5" pre="5" post="22"><F id="n6" pre="6" post="6"><G id="n7" pre="7" post="4">gentility</G><H id="n8" pre="8" post="5" idrefs="n17 n26">happy-go-lucky man</H></F><I id="n9" pre="9" post="9"><J id="n10" pre="10" post="7">jigsaw</J><K id="n11" pre="11" post="8">kerchief</K></I><L id="n12" pre="12" post="15"><!--L is the twelve-th letter of the English alphabet-->The letter L is followed by the letter:<M id="n13" pre="13" post="10"/>which is followed by the letter:<N id="n14" pre="14" post="13"><O id="n15" pre="15" post="11">ovenware</O><P id="n16" pre="16" post="12">plentiful</P></N><?myPI value="XPath is nice"?><Q id="n17" pre="17" post="14" idrefs="n8 n26">quarrelsome</Q></L><R id="n18" pre="18" post="18"><S id="n19" pre="19" post="16">sage</S><T id="n20" pre="20" post="17">tattered</T></R><U id="n21" pre="21" post="21"><V id="n22" pre="22" post="19">voluptuary</V><W id="n23" pre="23" post="20">wriggle</W></U></E><X id="n24" pre="24" post="25"><Y id="n25" pre="25" post="23">yawn</Y><Z id="n26" pre="26" post="24" idrefs="n8 n17" xml:lang="it">zuzzurellone</Z></X></A></div><div class="pretty-print"><div class="collapsible" id="collapsible0"><div class="expanded"><div class="line"><span class="button collapse-button"></span><span class="webkit-html-tag"><A<span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">id</span>="<span class="webkit-html-attribute-value">n1</span>"</span><span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">pre</span>="<span class="webkit-html-attribute-value">1</span>"</span><span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">post</span>="<span class="webkit-html-attribute-value">26</span>"</span><span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">xml:lang</span>="<span class="webkit-html-attribute-value">en</span>"</span>></span></div><div class="collapsible-content"><div class="collapsible" id="collapsible1"><div class="expanded"><div class="line"><span class="button collapse-button"></span><span class="webkit-html-tag"><B<span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">id</span>="<span class="webkit-html-attribute-value">n2</span>"</span><span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">pre</span>="<span class="webkit-html-attribute-value">2</span>"</span><span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">post</span>="<span class="webkit-html-attribute-value">3</span>"</span>></span></div><div class="collapsible-content"><div class="line"><span class="webkit-html-tag"><C<span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">id</span>="<span class="webkit-html-attribute-value">n3</span>"</span><span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">pre</span>="<span class="webkit-html-attribute-value">3</span>"</span><span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">post</span>="<span class="webkit-html-attribute-value">1</span>"</span>></span><span class="text">clergywoman</span><span class="webkit-html-tag"></C></span></div><div class="line"><span class="webkit-html-tag"><D<span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">id</span>="<span class="webkit-html-attribute-value">n4</span>"</span><span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">pre</span>="<span class="webkit-html-attribute-value">4</span>"</span><span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">post</span>="<span class="webkit-html-attribute-value">2</span>"</span>></span><span class="text">decadent</span><span class="webkit-html-tag"></D></span></div></div><div class="line"><span class="webkit-html-tag"></B></span></div></div><div class="collapsed hidden"><div class="line"><span class="button expand-button"></span><span class="webkit-html-tag"><B<span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">id</span>="<span class="webkit-html-attribute-value">n2</span>"</span><span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">pre</span>="<span class="webkit-html-attribute-value">2</span>"</span><span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">post</span>="<span class="webkit-html-attribute-value">3</span>"</span>></span><span class="text">...</span><span class="webkit-html-tag"></B></span></div></div></div><div class="collapsible" id="collapsible2"><div class="expanded"><div class="line"><span class="button collapse-button"></span><span class="webkit-html-tag"><E<span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">id</span>="<span class="webkit-html-attribute-value">n5</span>"</span><span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">pre</span>="<span class="webkit-html-attribute-value">5</span>"</span><span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">post</span>="<span class="webkit-html-attribute-value">22</span>"</span>></span></div><div class="collapsible-content"><div class="collapsible" id="collapsible3"><div class="expanded"><div class="line"><span class="button collapse-button"></span><span class="webkit-html-tag"><F<span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">id</span>="<span class="webkit-html-attribute-value">n6</span>"</span><span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">pre</span>="<span class="webkit-html-attribute-value">6</span>"</span><span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">post</span>="<span class="webkit-html-attribute-value">6</span>"</span>></span></div><div class="collapsible-content"><div class="line"><span class="webkit-html-tag"><G<span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">id</span>="<span class="webkit-html-attribute-value">n7</span>"</span><span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">pre</span>="<span class="webkit-html-attribute-value">7</span>"</span><span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">post</span>="<span class="webkit-html-attribute-value">4</span>"</span>></span><span class="text">gentility</span><span class="webkit-html-tag"></G></span></div><div class="line"><span class="webkit-html-tag"><H<span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">id</span>="<span class="webkit-html-attribute-value">n8</span>"</span><span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">pre</span>="<span class="webkit-html-attribute-value">8</span>"</span><span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">post</span>="<span class="webkit-html-attribute-value">5</span>"</span><span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">idrefs</span>="<span class="webkit-html-attribute-value">n17 n26</span>"</span>></span><span class="text">happy-go-lucky man</span><span class="webkit-html-tag"></H></span></div></div><div class="line"><span class="webkit-html-tag"></F></span></div></div><div class="collapsed hidden"><div class="line"><span class="button expand-button"></span><span class="webkit-html-tag"><F<span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">id</span>="<span class="webkit-html-attribute-value">n6</span>"</span><span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">pre</span>="<span class="webkit-html-attribute-value">6</span>"</span><span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">post</span>="<span class="webkit-html-attribute-value">6</span>"</span>></span><span class="text">...</span><span class="webkit-html-tag"></F></span></div></div></div><div class="collapsible" id="collapsible4"><div class="expanded"><div class="line"><span class="button collapse-button"></span><span class="webkit-html-tag"><I<span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">id</span>="<span class="webkit-html-attribute-value">n9</span>"</span><span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">pre</span>="<span class="webkit-html-attribute-value">9</span>"</span><span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">post</span>="<span class="webkit-html-attribute-value">9</span>"</span>></span></div><div class="collapsible-content"><div class="line"><span class="webkit-html-tag"><J<span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">id</span>="<span class="webkit-html-attribute-value">n10</span>"</span><span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">pre</span>="<span class="webkit-html-attribute-value">10</span>"</span><span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">post</span>="<span class="webkit-html-attribute-value">7</span>"</span>></span><span class="text">jigsaw</span><span class="webkit-html-tag"></J></span></div><div class="line"><span class="webkit-html-tag"><K<span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">id</span>="<span class="webkit-html-attribute-value">n11</span>"</span><span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">pre</span>="<span class="webkit-html-attribute-value">11</span>"</span><span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">post</span>="<span class="webkit-html-attribute-value">8</span>"</span>></span><span class="text">kerchief</span><span class="webkit-html-tag"></K></span></div></div><div class="line"><span class="webkit-html-tag"></I></span></div></div><div class="collapsed hidden"><div class="line"><span class="button expand-button"></span><span class="webkit-html-tag"><I<span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">id</span>="<span class="webkit-html-attribute-value">n9</span>"</span><span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">pre</span>="<span class="webkit-html-attribute-value">9</span>"</span><span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">post</span>="<span class="webkit-html-attribute-value">9</span>"</span>></span><span class="text">...</span><span class="webkit-html-tag"></I></span></div></div></div><div class="collapsible" id="collapsible5"><div class="expanded"><div class="line"><span class="button collapse-button"></span><span class="webkit-html-tag"><L<span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">id</span>="<span class="webkit-html-attribute-value">n12</span>"</span><span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">pre</span>="<span class="webkit-html-attribute-value">12</span>"</span><span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">post</span>="<span class="webkit-html-attribute-value">15</span>"</span>></span></div><div class="collapsible-content"><div class="line"><span class="comment webkit-html-comment"><!-- L is the twelve-th letter of the English alphabet --></span></div><span class="text">The letter L is followed by the letter:</span><div class="line"><span class="webkit-html-tag"><M<span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">id</span>="<span class="webkit-html-attribute-value">n13</span>"</span><span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">pre</span>="<span class="webkit-html-attribute-value">13</span>"</span><span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">post</span>="<span class="webkit-html-attribute-value">10</span>"</span>/></span></div><span class="text">which is followed by the letter:</span><div class="collapsible" id="collapsible6"><div class="expanded"><div class="line"><span class="button collapse-button"></span><span class="webkit-html-tag"><N<span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">id</span>="<span class="webkit-html-attribute-value">n14</span>"</span><span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">pre</span>="<span class="webkit-html-attribute-value">14</span>"</span><span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">post</span>="<span class="webkit-html-attribute-value">13</span>"</span>></span></div><div class="collapsible-content"><div class="line"><span class="webkit-html-tag"><O<span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">id</span>="<span class="webkit-html-attribute-value">n15</span>"</span><span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">pre</span>="<span class="webkit-html-attribute-value">15</span>"</span><span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">post</span>="<span class="webkit-html-attribute-value">11</span>"</span>></span><span class="text">ovenware</span><span class="webkit-html-tag"></O></span></div><div class="line"><span class="webkit-html-tag"><P<span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">id</span>="<span class="webkit-html-attribute-value">n16</span>"</span><span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">pre</span>="<span class="webkit-html-attribute-value">16</span>"</span><span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">post</span>="<span class="webkit-html-attribute-value">12</span>"</span>></span><span class="text">plentiful</span><span class="webkit-html-tag"></P></span></div></div><div class="line"><span class="webkit-html-tag"></N></span></div></div><div class="collapsed hidden"><div class="line"><span class="button expand-button"></span><span class="webkit-html-tag"><N<span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">id</span>="<span class="webkit-html-attribute-value">n14</span>"</span><span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">pre</span>="<span class="webkit-html-attribute-value">14</span>"</span><span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">post</span>="<span class="webkit-html-attribute-value">13</span>"</span>></span><span class="text">...</span><span class="webkit-html-tag"></N></span></div></div></div><div class="line"><span class="comment webkit-html-comment"><?myPI value="XPath is nice"?></span></div><div class="line"><span class="webkit-html-tag"><Q<span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">id</span>="<span class="webkit-html-attribute-value">n17</span>"</span><span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">pre</span>="<span class="webkit-html-attribute-value">17</span>"</span><span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">post</span>="<span class="webkit-html-attribute-value">14</span>"</span><span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">idrefs</span>="<span class="webkit-html-attribute-value">n8 n26</span>"</span>></span><span class="text">quarrelsome</span><span class="webkit-html-tag"></Q></span></div></div><div class="line"><span class="webkit-html-tag"></L></span></div></div><div class="collapsed hidden"><div class="line"><span class="button expand-button"></span><span class="webkit-html-tag"><L<span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">id</span>="<span class="webkit-html-attribute-value">n12</span>"</span><span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">pre</span>="<span class="webkit-html-attribute-value">12</span>"</span><span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">post</span>="<span class="webkit-html-attribute-value">15</span>"</span>></span><span class="text">...</span><span class="webkit-html-tag"></L></span></div></div></div><div class="collapsible" id="collapsible7"><div class="expanded"><div class="line"><span class="button collapse-button"></span><span class="webkit-html-tag"><R<span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">id</span>="<span class="webkit-html-attribute-value">n18</span>"</span><span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">pre</span>="<span class="webkit-html-attribute-value">18</span>"</span><span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">post</span>="<span class="webkit-html-attribute-value">18</span>"</span>></span></div><div class="collapsible-content"><div class="line"><span class="webkit-html-tag"><S<span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">id</span>="<span class="webkit-html-attribute-value">n19</span>"</span><span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">pre</span>="<span class="webkit-html-attribute-value">19</span>"</span><span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">post</span>="<span class="webkit-html-attribute-value">16</span>"</span>></span><span class="text">sage</span><span class="webkit-html-tag"></S></span></div><div class="line"><span class="webkit-html-tag"><T<span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">id</span>="<span class="webkit-html-attribute-value">n20</span>"</span><span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">pre</span>="<span class="webkit-html-attribute-value">20</span>"</span><span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">post</span>="<span class="webkit-html-attribute-value">17</span>"</span>></span><span class="text">tattered</span><span class="webkit-html-tag"></T></span></div></div><div class="line"><span class="webkit-html-tag"></R></span></div></div><div class="collapsed hidden"><div class="line"><span class="button expand-button"></span><span class="webkit-html-tag"><R<span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">id</span>="<span class="webkit-html-attribute-value">n18</span>"</span><span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">pre</span>="<span class="webkit-html-attribute-value">18</span>"</span><span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">post</span>="<span class="webkit-html-attribute-value">18</span>"</span>></span><span class="text">...</span><span class="webkit-html-tag"></R></span></div></div></div><div class="collapsible" id="collapsible8"><div class="expanded"><div class="line"><span class="button collapse-button"></span><span class="webkit-html-tag"><U<span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">id</span>="<span class="webkit-html-attribute-value">n21</span>"</span><span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">pre</span>="<span class="webkit-html-attribute-value">21</span>"</span><span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">post</span>="<span class="webkit-html-attribute-value">21</span>"</span>></span></div><div class="collapsible-content"><div class="line"><span class="webkit-html-tag"><V<span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">id</span>="<span class="webkit-html-attribute-value">n22</span>"</span><span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">pre</span>="<span class="webkit-html-attribute-value">22</span>"</span><span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">post</span>="<span class="webkit-html-attribute-value">19</span>"</span>></span><span class="text">voluptuary</span><span class="webkit-html-tag"></V></span></div><div class="line"><span class="webkit-html-tag"><W<span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">id</span>="<span class="webkit-html-attribute-value">n23</span>"</span><span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">pre</span>="<span class="webkit-html-attribute-value">23</span>"</span><span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">post</span>="<span class="webkit-html-attribute-value">20</span>"</span>></span><span class="text">wriggle</span><span class="webkit-html-tag"></W></span></div></div><div class="line"><span class="webkit-html-tag"></U></span></div></div><div class="collapsed hidden"><div class="line"><span class="button expand-button"></span><span class="webkit-html-tag"><U<span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">id</span>="<span class="webkit-html-attribute-value">n21</span>"</span><span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">pre</span>="<span class="webkit-html-attribute-value">21</span>"</span><span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">post</span>="<span class="webkit-html-attribute-value">21</span>"</span>></span><span class="text">...</span><span class="webkit-html-tag"></U></span></div></div></div></div><div class="line"><span class="webkit-html-tag"></E></span></div></div><div class="collapsed hidden"><div class="line"><span class="button expand-button"></span><span class="webkit-html-tag"><E<span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">id</span>="<span class="webkit-html-attribute-value">n5</span>"</span><span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">pre</span>="<span class="webkit-html-attribute-value">5</span>"</span><span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">post</span>="<span class="webkit-html-attribute-value">22</span>"</span>></span><span class="text">...</span><span class="webkit-html-tag"></E></span></div></div></div><div class="collapsible" id="collapsible9"><div class="expanded"><div class="line"><span class="button collapse-button"></span><span class="webkit-html-tag"><X<span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">id</span>="<span class="webkit-html-attribute-value">n24</span>"</span><span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">pre</span>="<span class="webkit-html-attribute-value">24</span>"</span><span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">post</span>="<span class="webkit-html-attribute-value">25</span>"</span>></span></div><div class="collapsible-content"><div class="line"><span class="webkit-html-tag"><Y<span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">id</span>="<span class="webkit-html-attribute-value">n25</span>"</span><span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">pre</span>="<span class="webkit-html-attribute-value">25</span>"</span><span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">post</span>="<span class="webkit-html-attribute-value">23</span>"</span>></span><span class="text">yawn</span><span class="webkit-html-tag"></Y></span></div><div class="line"><span class="webkit-html-tag"><Z<span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">id</span>="<span class="webkit-html-attribute-value">n26</span>"</span><span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">pre</span>="<span class="webkit-html-attribute-value">26</span>"</span><span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">post</span>="<span class="webkit-html-attribute-value">24</span>"</span><span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">idrefs</span>="<span class="webkit-html-attribute-value">n8 n17</span>"</span><span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">xml:lang</span>="<span class="webkit-html-attribute-value">it</span>"</span>></span><span class="text">zuzzurellone</span><span class="webkit-html-tag"></Z></span></div></div><div class="line"><span class="webkit-html-tag"></X></span></div></div><div class="collapsed hidden"><div class="line"><span class="button expand-button"></span><span class="webkit-html-tag"><X<span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">id</span>="<span class="webkit-html-attribute-value">n24</span>"</span><span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">pre</span>="<span class="webkit-html-attribute-value">24</span>"</span><span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">post</span>="<span class="webkit-html-attribute-value">25</span>"</span>></span><span class="text">...</span><span class="webkit-html-tag"></X></span></div></div></div></div><div class="line"><span class="webkit-html-tag"></A></span></div></div><div class="collapsed hidden"><div class="line"><span class="button expand-button"></span><span class="webkit-html-tag"><A<span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">id</span>="<span class="webkit-html-attribute-value">n1</span>"</span><span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">pre</span>="<span class="webkit-html-attribute-value">1</span>"</span><span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">post</span>="<span class="webkit-html-attribute-value">26</span>"</span><span class="webkit-html-attribute"> <span class="webkit-html-attribute-name">xml:lang</span>="<span class="webkit-html-attribute-value">en</span>"</span>></span><span class="text">...</span><span class="webkit-html-tag"></A></span></div></div></div></div></body></html>
--- /dev/null
+<html>
+<head><title></title>
+<meta http-equiv='content-type' content='text/html;charset=utf-8'/>
+<style>
+/* -*-CSS-*- */
+button {
+border-radius: 5px;
+border: none;
+}
+div#data {
+position: absolute;
+top: 0%;
+left: 50%;
+width: 50%;
+height: 50%;
+overflow: auto;
+}
+div#tree {
+position: absolute;
+top: 50%;
+left: 0%;
+width: 100%;
+height: 50%;
+overflow: hidden;
+}
+div#svg {
+position: absolute;
+left:0%;
+right:0%;
+top:10%;
+bottom:0%;
+overflow: auto;
+}
+div#automata {
+white-space: pre;
+overflow: auto;
+position: absolute;
+width: 50%;
+top: 0%;
+left: 0%;
+height: 50%;
+}
+@-webkit-keyframes fadein {
+from { fill-opacity: 0; }
+to { fill-opacity: 1; }
+}
+
+@-moz-keyframes fadein {
+from { fill-opacity: 0; }
+to { fill-opacity: 1; }
+}
+
+@keyframes fadein {
+from { fill-opacity: 0; }
+to { fill-opacity: 1; }
+}
+
+.blink {
+-webkit-animation: fadein 1.2s ease-in alternate infinite;
+-moz-animation: fadein 1.2s ease-in alternate infinite;
+animation: fadein 1.2s ease-in alternate infinite;
+}
+
+</style>
+</head>
+<body>
+<div id='automata' >Internal UID: 0
+States: { q₀ q₁ q₂ q₃ q₄ q₅ }
+Number of states: 6
+Starting states: { q₀ }
+Selection states: { q₅ }
+Ranked states: 0:{ q₀ q₁ q₂ q₃ q₄ q₅ }
+Alternating transitions:
+_______________________________________________
+q₁, ∑ → •q₀
+_______________________________________________
+q₂, ∑ → •q₁
+_______________________________________________
+q₃, ∑ → ↑q₂ ∧ ↑? ∨ ↑q₃ ∧ ↑? ∨ ←q₃ ∧ ←?
+_______________________________________________
+q₄, {M} → •q₃ ∧ ¬is-attribute? ∧ is-element?
+q₄, ∑-{M} → ⊥
+_______________________________________________
+q₅, ∑ → •q₄
+_______________________________________________
+</div>
+<div id='data' > </div>
+<script type='text/javascript'>
+var tree = new Array();
+var current_node = null;
+var nil_id = 'node-1';
+var last_id = 129;
+var rounds = 1;
+// -*-Javascript-*-
+
+var hide_nodes = function () {
+var v = document.getElementById('relnodes').value;
+for(i = 0; i < last_id; i++) {
+var id = 'node' + i;
+var rect = document.getElementById(id);
+
+if ((v-0) <= tree[id].max)
+rect.style.fillOpacity = 1;
+else
+rect.style.fillOpacity = 0.3;
+}
+};
+
+var activate_parent = function () {
+if (current_node) activate(tree[current_node].par);
+};
+var activate_previous = function () {
+if (current_node) activate(tree[current_node].ps);
+};
+var activate_next = function () {
+if (current_node) activate(tree[current_node].ns);
+};
+var activate_first = function () {
+if (current_node) activate(tree[current_node].fc);
+};
+var buttons = document.getElementsByTagName("button");
+var activate = function (id)
+{
+if (id == nil_id) return;
+if (current_node) {
+var rect = document.getElementById(current_node);
+rect.style.fillOpacity = 1.0;
+rect.style.stroke = 'black';
+rect.classList.remove('blink');
+};
+hide_nodes();
+current_node = id;
+buttons[0].disabled = tree[id].par == nil_id;
+buttons[1].disabled = tree[id].ps == nil_id;
+buttons[2].disabled = tree[id].fc == nil_id;
+buttons[3].disabled = tree[id].ns == nil_id;
+
+var node = document.getElementById(id);
+var div = document.getElementById('svg');
+var node_dim = node.getBBox();
+var div_dim = div.getBoundingClientRect();
+var nx = node_dim.x;
+var ny = node_dim.y;
+var hs = nx - (div_dim.width / 2 - node_dim.width / 2);
+var vs = ny - (div_dim.height / 2 - node_dim.height / 2);
+div.scrollLeft = hs;
+div.scrollTop = vs;
+node.style.stroke = 'red';
+old_node = node;
+node.classList.add('blink');
+
+var d = document.getElementById('data');
+var msg = '';
+for (i=0; i <= rounds; i++)
+msg += ('<p>round ' + i + ':<br/>new states:') + tree[id].dlist[i]
++ '<br/>all states:' + tree[id].flist[i] + '</p>\n';
+d.innerHTML = msg;
+return;
+};
+
+
+</script>
+<div id='tree'>
+<div id='controls'><button onclick='activate_parent();'>↑</button>
+<button onclick='activate_previous();'>←</button>
+<button onclick='activate_first();'>↓</button>
+<button onclick='activate_next();'>→</button>
+<select id='relnodes' onchange='hide_nodes();'>
+<option value='-1'>All nodes</option>
+<option value='0'>Relevant nodes on pass 0</option>
+ <option value='1'>Relevant nodes on pass 1</option>
+</select>
+</div>
+<div id='svg'>
+
+ <svg id='svgimg' width='' height='' xmlns="http://www.w3.org/2000/svg" version="1.1">
+<script type='text/javascript'><![CDATA[ tree['node0'] = { marked: false, fc: 'node1', ns: 'node-1', par: 'node-1', ps: 'node-1', max: 0, dlist: ['{ q₀ q₁ q₂ }', '{ }'], flist: ['{ q₀ q₁ q₂ }', '{ q₀ q₁ q₂ }'] };]]></script>
+<rect id="node0" onclick="activate('node0');" x="50" y="50"width="110" height="22" style="fill:rgb(111,8,34);stroke:rgb(0,0,0);stroke-width:2;stroke-dasharray:2,2"/><text x="60" y="65" style="fill:rgb(255,255,255);font-size:17;font-family:typewriter;" onclick="activate('node0');" >#document</text>
+<script type='text/javascript'><![CDATA[ tree['node1'] = { marked: false, fc: 'node2', ns: 'node-1', par: 'node0', ps: 'node-1', max: 0, dlist: ['{ q₃ }', '{ }'], flist: ['{ q₃ }', '{ q₃ }'] };]]></script>
+<rect id="node1" onclick="activate('node1');" x="50" y="90"width="30" height="22" style="fill:rgb(139,1,6);stroke:rgb(0,0,0);stroke-width:2;stroke-dasharray:2,2"/><text x="60" y="105" style="fill:rgb(255,255,255);font-size:17;font-family:typewriter;" onclick="activate('node1');" >A</text>
+<script type='text/javascript'><![CDATA[ tree['node2'] = { marked: false, fc: 'node-1', ns: 'node3', par: 'node1', ps: 'node-1', max: 0, dlist: ['{ q₃ }', '{ }'], flist: ['{ q₃ }', '{ q₃ }'] };]]></script>
+<rect id="node2" onclick="activate('node2');" x="50" y="130"width="50" height="22" style="fill:rgb(139,1,6);stroke:rgb(0,0,0);stroke-width:2;stroke-dasharray:2,2"/><text x="60" y="145" style="fill:rgb(255,255,255);font-size:17;font-family:typewriter;" onclick="activate('node2');" >@id</text>
+<line x1="75" y1="112" x2="75" y2="130"style="stroke:rgb(0,0,0);stroke-width:2"/>
+<line x1="100" y1="141" x2="100" y2="141"style="stroke:rgb(0,0,0);stroke-width:2"/>
+<script type='text/javascript'><![CDATA[ tree['node3'] = { marked: false, fc: 'node-1', ns: 'node4', par: 'node1', ps: 'node2', max: 0, dlist: ['{ q₃ }', '{ }'], flist: ['{ q₃ }', '{ q₃ }'] };]]></script>
+<rect id="node3" onclick="activate('node3');" x="100" y="130"width="60" height="22" style="fill:rgb(139,1,6);stroke:rgb(0,0,0);stroke-width:2;stroke-dasharray:2,2"/><text x="110" y="145" style="fill:rgb(255,255,255);font-size:17;font-family:typewriter;" onclick="activate('node3');" >@pre</text>
+<line x1="160" y1="141" x2="160" y2="141"style="stroke:rgb(0,0,0);stroke-width:2"/>
+<script type='text/javascript'><![CDATA[ tree['node4'] = { marked: false, fc: 'node-1', ns: 'node5', par: 'node1', ps: 'node3', max: 0, dlist: ['{ q₃ }', '{ }'], flist: ['{ q₃ }', '{ q₃ }'] };]]></script>
+<rect id="node4" onclick="activate('node4');" x="160" y="130"width="70" height="22" style="fill:rgb(139,1,6);stroke:rgb(0,0,0);stroke-width:2;stroke-dasharray:2,2"/><text x="170" y="145" style="fill:rgb(255,255,255);font-size:17;font-family:typewriter;" onclick="activate('node4');" >@post</text>
+<line x1="230" y1="141" x2="230" y2="141"style="stroke:rgb(0,0,0);stroke-width:2"/>
+<script type='text/javascript'><![CDATA[ tree['node5'] = { marked: false, fc: 'node-1', ns: 'node6', par: 'node1', ps: 'node4', max: 0, dlist: ['{ q₃ }', '{ }'], flist: ['{ q₃ }', '{ q₃ }'] };]]></script>
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+left: 50%;
+width: 50%;
+height: 50%;
+overflow: auto;
+}
+div#tree {
+position: absolute;
+top: 50%;
+left: 0%;
+width: 100%;
+height: 50%;
+overflow: hidden;
+}
+div#svg {
+position: absolute;
+left:0%;
+right:0%;
+top:10%;
+bottom:0%;
+overflow: auto;
+}
+div#automata {
+white-space: pre;
+overflow: auto;
+position: absolute;
+width: 50%;
+top: 0%;
+left: 0%;
+height: 50%;
+}
+@-webkit-keyframes fadein {
+from { fill-opacity: 0; }
+to { fill-opacity: 1; }
+}
+
+@-moz-keyframes fadein {
+from { fill-opacity: 0; }
+to { fill-opacity: 1; }
+}
+
+@keyframes fadein {
+from { fill-opacity: 0; }
+to { fill-opacity: 1; }
+}
+
+.blink {
+-webkit-animation: fadein 1.2s ease-in alternate infinite;
+-moz-animation: fadein 1.2s ease-in alternate infinite;
+animation: fadein 1.2s ease-in alternate infinite;
+}
+
+</style>
+</head>
+<body>
+<div id='automata' >Internal UID: 0
+States: { q₀ q₁ q₂ q₃ q₄ q₅ }
+Number of states: 6
+Starting states: { q₀ }
+Selection states: { q₅ }
+Ranked states: 0:{ q₀ q₁ q₂ q₃ q₄ q₅ }
+Alternating transitions:
+_______________________________________________
+q₁, ∑ → •q₀
+_______________________________________________
+q₂, ∑ → •q₁
+_______________________________________________
+q₃, ∑ → ↑q₂ ∧ ↑? ∨ ↑q₃ ∧ ↑? ∨ ←q₃ ∧ ←?
+_______________________________________________
+q₄, {M} → •q₃ ∧ ¬is-attribute? ∧ is-element?
+q₄, ∑-{M} → ⊥
+_______________________________________________
+q₅, ∑ → •q₄
+_______________________________________________
+</div>
+<div id='data' > </div>
+<script type='text/javascript'>
+var tree = new Array();
+var current_node = null;
+var nil_id = 'node-1';
+var last_id = 129;
+var rounds = 1;
+// -*-Javascript-*-
+
+var hide_nodes = function () {
+var v = document.getElementById('relnodes').value;
+for(i = 0; i < last_id; i++) {
+var id = 'node' + i;
+var rect = document.getElementById(id);
+
+if ((v-0) <= tree[id].max)
+rect.style.fillOpacity = 1;
+else
+rect.style.fillOpacity = 0.3;
+}
+};
+
+var activate_parent = function () {
+if (current_node) activate(tree[current_node].par);
+};
+var activate_previous = function () {
+if (current_node) activate(tree[current_node].ps);
+};
+var activate_next = function () {
+if (current_node) activate(tree[current_node].ns);
+};
+var activate_first = function () {
+if (current_node) activate(tree[current_node].fc);
+};
+var buttons = document.getElementsByTagName("button");
+var activate = function (id)
+{
+if (id == nil_id) return;
+if (current_node) {
+var rect = document.getElementById(current_node);
+rect.style.fillOpacity = 1.0;
+rect.style.stroke = 'black';
+rect.classList.remove('blink');
+};
+hide_nodes();
+current_node = id;
+buttons[0].disabled = tree[id].par == nil_id;
+buttons[1].disabled = tree[id].ps == nil_id;
+buttons[2].disabled = tree[id].fc == nil_id;
+buttons[3].disabled = tree[id].ns == nil_id;
+
+var node = document.getElementById(id);
+var div = document.getElementById('svg');
+var node_dim = node.getBBox();
+var div_dim = div.getBoundingClientRect();
+var nx = node_dim.x;
+var ny = node_dim.y;
+var hs = nx - (div_dim.width / 2 - node_dim.width / 2);
+var vs = ny - (div_dim.height / 2 - node_dim.height / 2);
+div.scrollLeft = hs;
+div.scrollTop = vs;
+node.style.stroke = 'red';
+old_node = node;
+node.classList.add('blink');
+
+var d = document.getElementById('data');
+var msg = '';
+for (i=0; i <= rounds; i++)
+msg += ('<p>round ' + i + ':<br/>new states:') + tree[id].dlist[i]
++ '<br/>all states:' + tree[id].flist[i] + '</p>\n';
+d.innerHTML = msg;
+return;
+};
+
+
+</script>
+<div id='tree'>
+<div id='controls'><button onclick='activate_parent();'>↑</button>
+<button onclick='activate_previous();'>←</button>
+<button onclick='activate_first();'>↓</button>
+<button onclick='activate_next();'>→</button>
+<select id='relnodes' onchange='hide_nodes();'>
+<option value='-1'>All nodes</option>
+<option value='0'>Relevant nodes on pass 0</option>
+ <option value='1'>Relevant nodes on pass 1</option>
+</select>
+</div>
+<div id='svg'>
+
+ <svg id='svgimg' width='' height='' xmlns="http://www.w3.org/2000/svg" version="1.1">
+<script type='text/javascript'><![CDATA[ tree['node0'] = { marked: false, fc: 'node1', ns: 'node-1', par: 'node-1', ps: 'node-1', max: 0, dlist: ['{ q₀ q₁ q₂ }', '{ }'], flist: ['{ q₀ q₁ q₂ }', '{ q₀ q₁ q₂ }'] };]]></script>
+<rect id="node0" onclick="activate('node0');" x="50" y="50"width="110" height="22" style="fill:rgb(111,8,34);stroke:rgb(0,0,0);stroke-width:2;stroke-dasharray:2,2"/><text x="60" y="65" style="fill:rgb(255,255,255);font-size:17;font-family:typewriter;" onclick="activate('node0');" >#document</text>
+<script type='text/javascript'><![CDATA[ tree['node1'] = { marked: false, fc: 'node2', ns: 'node-1', par: 'node0', ps: 'node-1', max: 0, dlist: ['{ q₃ }', '{ }'], flist: ['{ q₃ }', '{ q₃ }'] };]]></script>
+<rect id="node1" onclick="activate('node1');" x="50" y="90"width="30" height="22" style="fill:rgb(139,1,6);stroke:rgb(0,0,0);stroke-width:2;stroke-dasharray:2,2"/><text x="60" y="105" style="fill:rgb(255,255,255);font-size:17;font-family:typewriter;" onclick="activate('node1');" >A</text>
+<script type='text/javascript'><![CDATA[ tree['node2'] = { marked: false, fc: 'node-1', ns: 'node3', par: 'node1', ps: 'node-1', max: 0, dlist: ['{ q₃ }', '{ }'], flist: ['{ q₃ }', '{ q₃ }'] };]]></script>
+<rect id="node2" onclick="activate('node2');" x="50" y="130"width="50" height="22" style="fill:rgb(139,1,6);stroke:rgb(0,0,0);stroke-width:2;stroke-dasharray:2,2"/><text x="60" y="145" style="fill:rgb(255,255,255);font-size:17;font-family:typewriter;" onclick="activate('node2');" >@id</text>
+<line x1="75" y1="112" x2="75" y2="130"style="stroke:rgb(0,0,0);stroke-width:2"/>
+<line x1="100" y1="141" x2="100" y2="141"style="stroke:rgb(0,0,0);stroke-width:2"/>
+<script type='text/javascript'><![CDATA[ tree['node3'] = { marked: false, fc: 'node-1', ns: 'node4', par: 'node1', ps: 'node2', max: 0, dlist: ['{ q₃ }', '{ }'], flist: ['{ q₃ }', '{ q₃ }'] };]]></script>
+<rect id="node3" onclick="activate('node3');" x="100" y="130"width="60" height="22" style="fill:rgb(139,1,6);stroke:rgb(0,0,0);stroke-width:2;stroke-dasharray:2,2"/><text x="110" y="145" style="fill:rgb(255,255,255);font-size:17;font-family:typewriter;" onclick="activate('node3');" >@pre</text>
+<line x1="160" y1="141" x2="160" y2="141"style="stroke:rgb(0,0,0);stroke-width:2"/>
+<script type='text/javascript'><![CDATA[ tree['node4'] = { marked: false, fc: 'node-1', ns: 'node5', par: 'node1', ps: 'node3', max: 0, dlist: ['{ q₃ }', '{ }'], flist: ['{ q₃ }', '{ q₃ }'] };]]></script>
+<rect id="node4" onclick="activate('node4');" x="160" y="130"width="70" height="22" style="fill:rgb(139,1,6);stroke:rgb(0,0,0);stroke-width:2;stroke-dasharray:2,2"/><text x="170" y="145" style="fill:rgb(255,255,255);font-size:17;font-family:typewriter;" onclick="activate('node4');" >@post</text>
+<line x1="230" y1="141" x2="230" y2="141"style="stroke:rgb(0,0,0);stroke-width:2"/>
+<script type='text/javascript'><![CDATA[ tree['node5'] = { marked: false, fc: 'node-1', ns: 'node6', par: 'node1', ps: 'node4', max: 0, dlist: ['{ q₃ }', '{ }'], flist: ['{ q₃ }', '{ q₃ }'] };]]></script>
+<rect id="node5" onclick="activate('node5');" x="230" y="130"width="110" height="22" style="fill:rgb(139,1,6);stroke:rgb(0,0,0);stroke-width:2;stroke-dasharray:2,2"/><text x="240" y="145" style="fill:rgb(255,255,255);font-size:17;font-family:typewriter;" onclick="activate('node5');" >@xml:lang</text>
+<line x1="340" y1="141" x2="340" y2="141"style="stroke:rgb(0,0,0);stroke-width:2"/>
+<script type='text/javascript'><![CDATA[ tree['node6'] = { marked: false, fc: 'node7', ns: 'node20', par: 'node1', ps: 'node5', max: 0, dlist: ['{ q₃ }', '{ }'], flist: ['{ q₃ }', '{ q₃ }'] };]]></script>
+<rect id="node6" onclick="activate('node6');" x="340" y="130"width="30" height="22" style="fill:rgb(139,1,6);stroke:rgb(0,0,0);stroke-width:2;stroke-dasharray:2,2"/><text x="350" y="145" style="fill:rgb(255,255,255);font-size:17;font-family:typewriter;" onclick="activate('node6');" >B</text>
+<script type='text/javascript'><![CDATA[ tree['node7'] = { marked: false, fc: 'node-1', ns: 'node8', par: 'node6', ps: 'node-1', max: 0, dlist: ['{ q₃ }', '{ }'], flist: ['{ q₃ }', '{ q₃ }'] };]]></script>
+<rect id="node7" onclick="activate('node7');" x="340" y="170"width="50" height="22" style="fill:rgb(139,1,6);stroke:rgb(0,0,0);stroke-width:2;stroke-dasharray:2,2"/><text x="350" y="185" style="fill:rgb(255,255,255);font-size:17;font-family:typewriter;" onclick="activate('node7');" >@id</text>
+<line x1="365" y1="152" x2="365" y2="170"style="stroke:rgb(0,0,0);stroke-width:2"/>
+<line x1="390" y1="181" x2="390" y2="181"style="stroke:rgb(0,0,0);stroke-width:2"/>
+<script type='text/javascript'><![CDATA[ tree['node8'] = { marked: false, fc: 'node-1', ns: 'node9', par: 'node6', ps: 'node7', max: 0, dlist: ['{ q₃ }', '{ }'], flist: ['{ q₃ }', '{ q₃ }'] };]]></script>
+<rect id="node8" onclick="activate('node8');" x="390" y="170"width="60" height="22" style="fill:rgb(139,1,6);stroke:rgb(0,0,0);stroke-width:2;stroke-dasharray:2,2"/><text x="400" y="185" style="fill:rgb(255,255,255);font-size:17;font-family:typewriter;" onclick="activate('node8');" >@pre</text>
+<line x1="450" y1="181" x2="450" y2="181"style="stroke:rgb(0,0,0);stroke-width:2"/>
+<script type='text/javascript'><![CDATA[ tree['node9'] = { marked: false, fc: 'node-1', ns: 'node10', par: 'node6', ps: 'node8', max: 0, dlist: ['{ q₃ }', '{ }'], flist: ['{ q₃ }', '{ q₃ }'] };]]></script>
+<rect id="node9" onclick="activate('node9');" x="450" y="170"width="70" height="22" style="fill:rgb(139,1,6);stroke:rgb(0,0,0);stroke-width:2;stroke-dasharray:2,2"/><text x="460" y="185" style="fill:rgb(255,255,255);font-size:17;font-family:typewriter;" onclick="activate('node9');" >@post</text>
+<line x1="520" y1="181" x2="520" y2="181"style="stroke:rgb(0,0,0);stroke-width:2"/>
+<script type='text/javascript'><![CDATA[ tree['node10'] = { marked: false, fc: 'node11', ns: 'node15', par: 'node6', ps: 'node9', max: 0, dlist: ['{ q₃ }', '{ }'], flist: ['{ q₃ }', '{ q₃ }'] };]]></script>
+<rect id="node10" onclick="activate('node10');" x="520" y="170"width="30" height="22" style="fill:rgb(139,1,6);stroke:rgb(0,0,0);stroke-width:2;stroke-dasharray:2,2"/><text x="530" y="185" style="fill:rgb(255,255,255);font-size:17;font-family:typewriter;" onclick="activate('node10');" >C</text>
+<script type='text/javascript'><![CDATA[ tree['node11'] = { marked: false, fc: 'node-1', ns: 'node12', par: 'node10', ps: 'node-1', max: 0, dlist: ['{ q₃ }', '{ }'], flist: ['{ q₃ }', '{ q₃ }'] };]]></script>
+<rect id="node11" onclick="activate('node11');" x="520" y="210"width="50" height="22" style="fill:rgb(139,1,6);stroke:rgb(0,0,0);stroke-width:2;stroke-dasharray:2,2"/><text x="530" y="225" style="fill:rgb(255,255,255);font-size:17;font-family:typewriter;" onclick="activate('node11');" >@id</text>
+<line x1="545" y1="192" x2="545" y2="210"style="stroke:rgb(0,0,0);stroke-width:2"/>
+<line x1="570" y1="221" x2="570" y2="221"style="stroke:rgb(0,0,0);stroke-width:2"/>
+<script type='text/javascript'><![CDATA[ tree['node12'] = { marked: false, fc: 'node-1', ns: 'node13', par: 'node10', ps: 'node11', max: 0, dlist: ['{ q₃ }', '{ }'], flist: ['{ q₃ }', '{ q₃ }'] };]]></script>
+<rect id="node12" onclick="activate('node12');" x="570" y="210"width="60" height="22" style="fill:rgb(139,1,6);stroke:rgb(0,0,0);stroke-width:2;stroke-dasharray:2,2"/><text x="580" y="225" style="fill:rgb(255,255,255);font-size:17;font-family:typewriter;" onclick="activate('node12');" >@pre</text>
+<line x1="630" y1="221" x2="630" y2="221"style="stroke:rgb(0,0,0);stroke-width:2"/>
+<script type='text/javascript'><![CDATA[ tree['node13'] = { marked: false, fc: 'node-1', ns: 'node14', par: 'node10', ps: 'node12', max: 0, dlist: ['{ q₃ }', '{ }'], flist: ['{ q₃ }', '{ q₃ }'] };]]></script>
+<rect id="node13" onclick="activate('node13');" x="630" y="210"width="70" height="22" style="fill:rgb(139,1,6);stroke:rgb(0,0,0);stroke-width:2;stroke-dasharray:2,2"/><text x="640" y="225" style="fill:rgb(255,255,255);font-size:17;font-family:typewriter;" onclick="activate('node13');" >@post</text>
+<line x1="700" y1="221" x2="700" y2="221"style="stroke:rgb(0,0,0);stroke-width:2"/>
+<script type='text/javascript'><![CDATA[ tree['node14'] = { marked: false, fc: 'node-1', ns: 'node-1', par: 'node10', ps: 'node13', max: 0, dlist: ['{ q₃ }', '{ }'], flist: ['{ q₃ }', '{ q₃ }'] };]]></script>
+<rect id="node14" onclick="activate('node14');" x="700" y="210"width="70" height="22" style="fill:rgb(139,1,6);stroke:rgb(0,0,0);stroke-width:2;stroke-dasharray:2,2"/><text x="710" y="225" style="fill:rgb(255,255,255);font-size:17;font-family:typewriter;" onclick="activate('node14');" >#text</text>
+<line x1="550" y1="181" x2="780" y2="181"style="stroke:rgb(0,0,0);stroke-width:2"/>
+<script type='text/javascript'><![CDATA[ tree['node15'] = { marked: false, fc: 'node16', ns: 'node-1', par: 'node6', ps: 'node10', max: 0, dlist: ['{ q₃ }', '{ }'], flist: ['{ q₃ }', '{ q₃ }'] };]]></script>
+<rect id="node15" onclick="activate('node15');" x="780" y="170"width="30" height="22" style="fill:rgb(139,1,6);stroke:rgb(0,0,0);stroke-width:2;stroke-dasharray:2,2"/><text x="790" y="185" style="fill:rgb(255,255,255);font-size:17;font-family:typewriter;" onclick="activate('node15');" >D</text>
+<script type='text/javascript'><![CDATA[ tree['node16'] = { marked: false, fc: 'node-1', ns: 'node17', par: 'node15', ps: 'node-1', max: 0, dlist: ['{ q₃ }', '{ }'], flist: ['{ q₃ }', '{ q₃ }'] };]]></script>
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+<line x1="805" y1="192" x2="805" y2="210"style="stroke:rgb(0,0,0);stroke-width:2"/>
+<line x1="830" y1="221" x2="830" y2="221"style="stroke:rgb(0,0,0);stroke-width:2"/>
+<script type='text/javascript'><![CDATA[ tree['node17'] = { marked: false, fc: 'node-1', ns: 'node18', par: 'node15', ps: 'node16', max: 0, dlist: ['{ q₃ }', '{ }'], flist: ['{ q₃ }', '{ q₃ }'] };]]></script>
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+<line x1="890" y1="221" x2="890" y2="221"style="stroke:rgb(0,0,0);stroke-width:2"/>
+<script type='text/javascript'><![CDATA[ tree['node18'] = { marked: false, fc: 'node-1', ns: 'node19', par: 'node15', ps: 'node17', max: 0, dlist: ['{ q₃ }', '{ }'], flist: ['{ q₃ }', '{ q₃ }'] };]]></script>
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+<line x1="960" y1="221" x2="960" y2="221"style="stroke:rgb(0,0,0);stroke-width:2"/>
+<script type='text/javascript'><![CDATA[ tree['node19'] = { marked: false, fc: 'node-1', ns: 'node-1', par: 'node15', ps: 'node18', max: 0, dlist: ['{ q₃ }', '{ }'], flist: ['{ q₃ }', '{ q₃ }'] };]]></script>
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+<line x1="370" y1="141" x2="1050" y2="141"style="stroke:rgb(0,0,0);stroke-width:2"/>
+<script type='text/javascript'><![CDATA[ tree['node20'] = { marked: false, fc: 'node21', ns: 'node113', par: 'node1', ps: 'node6', max: 0, dlist: ['{ q₃ }', '{ }'], flist: ['{ q₃ }', '{ q₃ }'] };]]></script>
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+<script type='text/javascript'><![CDATA[ tree['node21'] = { marked: false, fc: 'node-1', ns: 'node22', par: 'node20', ps: 'node-1', max: 0, dlist: ['{ q₃ }', '{ }'], flist: ['{ q₃ }', '{ q₃ }'] };]]></script>
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+<script type='text/javascript'><![CDATA[ tree['node22'] = { marked: false, fc: 'node-1', ns: 'node23', par: 'node20', ps: 'node21', max: 0, dlist: ['{ q₃ }', '{ }'], flist: ['{ q₃ }', '{ q₃ }'] };]]></script>
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+<rect id="node118" onclick="activate('node118');" x="6100" y="210"width="50" height="22" style="fill:rgb(139,1,6);stroke:rgb(0,0,0);stroke-width:2;stroke-dasharray:2,2"/><text x="6110" y="225" style="fill:rgb(255,255,255);font-size:17;font-family:typewriter;" onclick="activate('node118');" >@id</text>
+<line x1="6125" y1="192" x2="6125" y2="210"style="stroke:rgb(0,0,0);stroke-width:2"/>
+<line x1="6150" y1="221" x2="6150" y2="221"style="stroke:rgb(0,0,0);stroke-width:2"/>
+<script type='text/javascript'><![CDATA[ tree['node119'] = { marked: false, fc: 'node-1', ns: 'node120', par: 'node117', ps: 'node118', max: 0, dlist: ['{ q₃ }', '{ }'], flist: ['{ q₃ }', '{ q₃ }'] };]]></script>
+<rect id="node119" onclick="activate('node119');" x="6150" y="210"width="60" height="22" style="fill:rgb(139,1,6);stroke:rgb(0,0,0);stroke-width:2;stroke-dasharray:2,2"/><text x="6160" y="225" style="fill:rgb(255,255,255);font-size:17;font-family:typewriter;" onclick="activate('node119');" >@pre</text>
+<line x1="6210" y1="221" x2="6210" y2="221"style="stroke:rgb(0,0,0);stroke-width:2"/>
+<script type='text/javascript'><![CDATA[ tree['node120'] = { marked: false, fc: 'node-1', ns: 'node121', par: 'node117', ps: 'node119', max: 0, dlist: ['{ q₃ }', '{ }'], flist: ['{ q₃ }', '{ q₃ }'] };]]></script>
+<rect id="node120" onclick="activate('node120');" x="6210" y="210"width="70" height="22" style="fill:rgb(139,1,6);stroke:rgb(0,0,0);stroke-width:2;stroke-dasharray:2,2"/><text x="6220" y="225" style="fill:rgb(255,255,255);font-size:17;font-family:typewriter;" onclick="activate('node120');" >@post</text>
+<line x1="6280" y1="221" x2="6280" y2="221"style="stroke:rgb(0,0,0);stroke-width:2"/>
+<script type='text/javascript'><![CDATA[ tree['node121'] = { marked: false, fc: 'node-1', ns: 'node-1', par: 'node117', ps: 'node120', max: 0, dlist: ['{ q₃ }', '{ }'], flist: ['{ q₃ }', '{ q₃ }'] };]]></script>
+<rect id="node121" onclick="activate('node121');" x="6280" y="210"width="70" height="22" style="fill:rgb(139,1,6);stroke:rgb(0,0,0);stroke-width:2;stroke-dasharray:2,2"/><text x="6290" y="225" style="fill:rgb(255,255,255);font-size:17;font-family:typewriter;" onclick="activate('node121');" >#text</text>
+<line x1="6130" y1="181" x2="6360" y2="181"style="stroke:rgb(0,0,0);stroke-width:2"/>
+<script type='text/javascript'><![CDATA[ tree['node122'] = { marked: false, fc: 'node123', ns: 'node-1', par: 'node113', ps: 'node117', max: 0, dlist: ['{ q₃ }', '{ }'], flist: ['{ q₃ }', '{ q₃ }'] };]]></script>
+<rect id="node122" onclick="activate('node122');" x="6360" y="170"width="30" height="22" style="fill:rgb(139,1,6);stroke:rgb(0,0,0);stroke-width:2;stroke-dasharray:2,2"/><text x="6370" y="185" style="fill:rgb(255,255,255);font-size:17;font-family:typewriter;" onclick="activate('node122');" >Z</text>
+<script type='text/javascript'><![CDATA[ tree['node123'] = { marked: false, fc: 'node-1', ns: 'node124', par: 'node122', ps: 'node-1', max: 0, dlist: ['{ q₃ }', '{ }'], flist: ['{ q₃ }', '{ q₃ }'] };]]></script>
+<rect id="node123" onclick="activate('node123');" x="6360" y="210"width="50" height="22" style="fill:rgb(139,1,6);stroke:rgb(0,0,0);stroke-width:2;stroke-dasharray:2,2"/><text x="6370" y="225" style="fill:rgb(255,255,255);font-size:17;font-family:typewriter;" onclick="activate('node123');" >@id</text>
+<line x1="6385" y1="192" x2="6385" y2="210"style="stroke:rgb(0,0,0);stroke-width:2"/>
+<line x1="6410" y1="221" x2="6410" y2="221"style="stroke:rgb(0,0,0);stroke-width:2"/>
+<script type='text/javascript'><![CDATA[ tree['node124'] = { marked: false, fc: 'node-1', ns: 'node125', par: 'node122', ps: 'node123', max: 0, dlist: ['{ q₃ }', '{ }'], flist: ['{ q₃ }', '{ q₃ }'] };]]></script>
+<rect id="node124" onclick="activate('node124');" x="6410" y="210"width="60" height="22" style="fill:rgb(139,1,6);stroke:rgb(0,0,0);stroke-width:2;stroke-dasharray:2,2"/><text x="6420" y="225" style="fill:rgb(255,255,255);font-size:17;font-family:typewriter;" onclick="activate('node124');" >@pre</text>
+<line x1="6470" y1="221" x2="6470" y2="221"style="stroke:rgb(0,0,0);stroke-width:2"/>
+<script type='text/javascript'><![CDATA[ tree['node125'] = { marked: false, fc: 'node-1', ns: 'node126', par: 'node122', ps: 'node124', max: 0, dlist: ['{ q₃ }', '{ }'], flist: ['{ q₃ }', '{ q₃ }'] };]]></script>
+<rect id="node125" onclick="activate('node125');" x="6470" y="210"width="70" height="22" style="fill:rgb(139,1,6);stroke:rgb(0,0,0);stroke-width:2;stroke-dasharray:2,2"/><text x="6480" y="225" style="fill:rgb(255,255,255);font-size:17;font-family:typewriter;" onclick="activate('node125');" >@post</text>
+<line x1="6540" y1="221" x2="6540" y2="221"style="stroke:rgb(0,0,0);stroke-width:2"/>
+<script type='text/javascript'><![CDATA[ tree['node126'] = { marked: false, fc: 'node-1', ns: 'node127', par: 'node122', ps: 'node125', max: 0, dlist: ['{ q₃ }', '{ }'], flist: ['{ q₃ }', '{ q₃ }'] };]]></script>
+<rect id="node126" onclick="activate('node126');" x="6540" y="210"width="90" height="22" style="fill:rgb(139,1,6);stroke:rgb(0,0,0);stroke-width:2;stroke-dasharray:2,2"/><text x="6550" y="225" style="fill:rgb(255,255,255);font-size:17;font-family:typewriter;" onclick="activate('node126');" >@idrefs</text>
+<line x1="6630" y1="221" x2="6630" y2="221"style="stroke:rgb(0,0,0);stroke-width:2"/>
+<script type='text/javascript'><![CDATA[ tree['node127'] = { marked: false, fc: 'node-1', ns: 'node128', par: 'node122', ps: 'node126', max: 0, dlist: ['{ q₃ }', '{ }'], flist: ['{ q₃ }', '{ q₃ }'] };]]></script>
+<rect id="node127" onclick="activate('node127');" x="6630" y="210"width="110" height="22" style="fill:rgb(139,1,6);stroke:rgb(0,0,0);stroke-width:2;stroke-dasharray:2,2"/><text x="6640" y="225" style="fill:rgb(255,255,255);font-size:17;font-family:typewriter;" onclick="activate('node127');" >@xml:lang</text>
+<line x1="6740" y1="221" x2="6740" y2="221"style="stroke:rgb(0,0,0);stroke-width:2"/>
+<script type='text/javascript'><![CDATA[ tree['node128'] = { marked: false, fc: 'node-1', ns: 'node-1', par: 'node122', ps: 'node127', max: 0, dlist: ['{ q₃ }', '{ }'], flist: ['{ q₃ }', '{ q₃ }'] };]]></script>
+<rect id="node128" onclick="activate('node128');" x="6740" y="210"width="70" height="22" style="fill:rgb(139,1,6);stroke:rgb(0,0,0);stroke-width:2;stroke-dasharray:2,2"/><text x="6750" y="225" style="fill:rgb(255,255,255);font-size:17;font-family:typewriter;" onclick="activate('node128');" >#text</text>
+<line x1="65" y1="72" x2="65" y2="90"style="stroke:rgb(0,0,0);stroke-width:2"/>
+</svg>
+</div></div><script type='text/javascript'>
+window.onload = function () {
+var svg = document.getElementById('svgimg');
+svg.setAttribute('width', 6850);
+svg.setAttribute('height', 330);
+activate('node0');
+};
+
+</script></body></html>
--- /dev/null
+<html>
+<head><title></title>
+<meta http-equiv='content-type' content='text/html;charset=utf-8'/>
+<style>
+/* -*-CSS-*- */
+button {
+border-radius: 5px;
+border: none;
+}
+div#data {
+position: absolute;
+top: 0%;
+left: 50%;
+width: 50%;
+height: 50%;
+overflow: auto;
+}
+div#tree {
+position: absolute;
+top: 50%;
+left: 0%;
+width: 100%;
+height: 50%;
+overflow: hidden;
+}
+div#svg {
+position: absolute;
+left:0%;
+right:0%;
+top:10%;
+bottom:0%;
+overflow: auto;
+}
+div#automata {
+white-space: pre;
+overflow: auto;
+position: absolute;
+width: 50%;
+top: 0%;
+left: 0%;
+height: 50%;
+}
+@-webkit-keyframes fadein {
+from { fill-opacity: 0; }
+to { fill-opacity: 1; }
+}
+
+@-moz-keyframes fadein {
+from { fill-opacity: 0; }
+to { fill-opacity: 1; }
+}
+
+@keyframes fadein {
+from { fill-opacity: 0; }
+to { fill-opacity: 1; }
+}
+
+.blink {
+-webkit-animation: fadein 1.2s ease-in alternate infinite;
+-moz-animation: fadein 1.2s ease-in alternate infinite;
+animation: fadein 1.2s ease-in alternate infinite;
+}
+
+</style>
+</head>
+<body>
+<div id='automata' >Internal UID: 0
+States: { q₀ q₁ q₂ q₃ q₄ q₅ q₆ q₇ q₈ q₉ q₁₀ q₁₁ q₁₂ q₁₃ }
+Number of states: 14
+Starting states: { q₀ }
+Selection states: { q₁₃ }
+Ranked states: 0:{ q₀ q₁ q₂ q₃ q₄ q₈ q₉ }, 1:{ q₅ q₆ q₇ q₁₀ }, 2:{ q₁₁ q₁₂ q₁₃ }
+Alternating transitions:
+___________________________________________________________________
+q₁, ∑ → •q₀
+___________________________________________________________________
+q₂, ∑ → •q₁
+___________________________________________________________________
+q₃, ∑ → ↑q₂ ∧ ↑? ∨ ↑q₃ ∧ ↑? ∨ ←q₃ ∧ ←?
+___________________________________________________________________
+q₄, {M} → •q₃ ∧ ¬is-attribute? ∧ is-element?
+q₄, ∑-{M} → ⊥
+___________________________________________________________________
+q₅, ∑ → ↓q₅ ∧ ↓? ∨ →q₅ ∧ →? ∨ •q₄
+___________________________________________________________________
+q₆, {A} → ↓q₅ ∧ ↓? ∧ ¬is-attribute? ∧ is-element?
+q₆, ∑-{A} → ⊥
+___________________________________________________________________
+q₇, {P} → ↓q₇ ∧ ↓? ∨ →q₇ ∧ →? ∨ is-element?
+q₇, ∑-{P} → ↓q₇ ∧ ↓? ∨ →q₇ ∧ →?
+___________________________________________________________________
+q₈, {Q} → is-element?
+q₈, ∑-{Q} → ⊥
+___________________________________________________________________
+q₉, ∑ → ↑q₈ ∧ ↑? ∨ ←q₉ ∧ ←?
+___________________________________________________________________
+q₁₀, ∑ → (↑q₈ ∧ ↑? ∨ ←q₉ ∧ ←? ∨ ↓q₇ ∧ ↓?) ∧ •q₆
+___________________________________________________________________
+q₁₁, ∑ → ↑q₁₀ ∧ ↑? ∨ ←q₁₁ ∧ ←?
+___________________________________________________________________
+q₁₂, ∑ → (↑q₁₀ ∧ ↑? ∨ ←q₁₁ ∧ ←?) ∧ ¬is-attribute? ∧ is-element?
+___________________________________________________________________
+q₁₃, ∑ → •q₁₂
+___________________________________________________________________
+</div>
+<div id='data' > </div>
+<script type='text/javascript'>
+var tree = new Array();
+var current_node = null;
+var nil_id = 'node-1';
+var last_id = 129;
+var rounds = 3;
+// -*-Javascript-*-
+
+var hide_nodes = function () {
+var v = document.getElementById('relnodes').value;
+for(i = 0; i < last_id; i++) {
+var id = 'node' + i;
+var rect = document.getElementById(id);
+
+if ((v-0) <= tree[id].max)
+rect.style.fillOpacity = 1;
+else
+rect.style.fillOpacity = 0.3;
+}
+};
+
+var activate_parent = function () {
+if (current_node) activate(tree[current_node].par);
+};
+var activate_previous = function () {
+if (current_node) activate(tree[current_node].ps);
+};
+var activate_next = function () {
+if (current_node) activate(tree[current_node].ns);
+};
+var activate_first = function () {
+if (current_node) activate(tree[current_node].fc);
+};
+var buttons = document.getElementsByTagName("button");
+var activate = function (id)
+{
+if (id == nil_id) return;
+if (current_node) {
+var rect = document.getElementById(current_node);
+rect.style.fillOpacity = 1.0;
+rect.style.stroke = 'black';
+rect.classList.remove('blink');
+};
+hide_nodes();
+current_node = id;
+buttons[0].disabled = tree[id].par == nil_id;
+buttons[1].disabled = tree[id].ps == nil_id;
+buttons[2].disabled = tree[id].fc == nil_id;
+buttons[3].disabled = tree[id].ns == nil_id;
+
+var node = document.getElementById(id);
+var div = document.getElementById('svg');
+var node_dim = node.getBBox();
+var div_dim = div.getBoundingClientRect();
+var nx = node_dim.x;
+var ny = node_dim.y;
+var hs = nx - (div_dim.width / 2 - node_dim.width / 2);
+var vs = ny - (div_dim.height / 2 - node_dim.height / 2);
+div.scrollLeft = hs;
+div.scrollTop = vs;
+node.style.stroke = 'red';
+old_node = node;
+node.classList.add('blink');
+
+var d = document.getElementById('data');
+var msg = '';
+for (i=0; i <= rounds; i++)
+msg += ('<p>round ' + i + ':<br/>new states:') + tree[id].dlist[i]
++ '<br/>all states:' + tree[id].flist[i] + '</p>\n';
+d.innerHTML = msg;
+return;
+};
+
+
+</script>
+<div id='tree'>
+<div id='controls'><button onclick='activate_parent();'>↑</button>
+<button onclick='activate_previous();'>←</button>
+<button onclick='activate_first();'>↓</button>
+<button onclick='activate_next();'>→</button>
+<select id='relnodes' onchange='hide_nodes();'>
+<option value='-1'>All nodes</option>
+<option value='0'>Relevant nodes on pass 0</option>
+ <option value='1'>Relevant nodes on pass 1</option>
+ <option value='2'>Relevant nodes on pass 2</option>
+ <option value='3'>Relevant nodes on pass 3</option>
+</select>
+</div>
+<div id='svg'>
+
+ <svg id='svgimg' width='' height='' xmlns="http://www.w3.org/2000/svg" version="1.1">
+<script type='text/javascript'><![CDATA[ tree['node0'] = { marked: false, fc: 'node1', ns: 'node-1', par: 'node-1', ps: 'node-1', max: 1, dlist: ['{ q₀ q₁ q₂ }', '{ q₅ q₇ }', '{ }', '{ }'], flist: ['{ q₀ q₁ q₂ q₅ q₇ }', '{ q₀ q₁ q₂ q₅ q₇ }', '{ q₀ q₁ q₂ q₅ q₇ }', '{ q₀ q₁ q₂ q₅ q₇ }'] };]]></script>
+<rect id="node0" onclick="activate('node0');" x="50" y="50"width="110" height="22" style="fill:rgb(61,115,212);stroke:rgb(0,0,0);stroke-width:2;stroke-dasharray:2,2"/><text x="60" y="65" style="fill:rgb(0,0,0);font-size:17;font-family:typewriter;" onclick="activate('node0');" >#document</text>
+<script type='text/javascript'><![CDATA[ tree['node1'] = { marked: false, fc: 'node2', ns: 'node-1', par: 'node0', ps: 'node-1', max: 1, dlist: ['{ q₃ }', '{ q₅ q₆ q₇ q₁₀ }', '{ }', '{ }'], flist: ['{ q₃ q₅ q₆ q₇ q₁₀ }', '{ q₃ q₅ q₆ q₇ q₁₀ }', '{ q₃ q₅ q₆ q₇ q₁₀ }', '{ q₃ q₅ q₆ q₇ q₁₀ }'] };]]></script>
+<rect id="node1" onclick="activate('node1');" x="50" y="90"width="30" height="22" style="fill:rgb(69,113,204);stroke:rgb(0,0,0);stroke-width:2;stroke-dasharray:2,2"/><text x="60" y="105" style="fill:rgb(255,255,255);font-size:17;font-family:typewriter;" onclick="activate('node1');" >A</text>
+<script type='text/javascript'><![CDATA[ tree['node2'] = { marked: false, fc: 'node-1', ns: 'node3', par: 'node1', ps: 'node-1', max: 2, dlist: ['{ q₃ }', '{ q₅ q₇ }', '{ q₁₁ }', '{ }'], flist: ['{ q₃ q₅ q₇ }', '{ q₃ q₅ q₇ }', '{ q₃ q₅ q₇ q₁₁ }', '{ q₃ q₅ q₇ q₁₁ }'] };]]></script>
+<rect id="node2" onclick="activate('node2');" x="50" y="130"width="50" height="22" style="fill:rgb(69,113,204);stroke:rgb(0,0,0);stroke-width:2;stroke-dasharray:2,2"/><text x="60" y="145" style="fill:rgb(255,255,255);font-size:17;font-family:typewriter;" onclick="activate('node2');" >@id</text>
+<line x1="75" y1="112" x2="75" y2="130"style="stroke:rgb(0,0,0);stroke-width:2"/>
+<line x1="100" y1="141" x2="100" y2="141"style="stroke:rgb(0,0,0);stroke-width:2"/>
+<script type='text/javascript'><![CDATA[ tree['node3'] = { marked: false, fc: 'node-1', ns: 'node4', par: 'node1', ps: 'node2', max: 2, dlist: ['{ q₃ }', '{ q₅ q₇ }', '{ q₁₁ }', '{ }'], flist: ['{ q₃ q₅ q₇ }', '{ q₃ q₅ q₇ }', '{ q₃ q₅ q₇ q₁₁ }', '{ q₃ q₅ q₇ q₁₁ }'] };]]></script>
+<rect id="node3" onclick="activate('node3');" x="100" y="130"width="60" height="22" style="fill:rgb(69,113,204);stroke:rgb(0,0,0);stroke-width:2;stroke-dasharray:2,2"/><text x="110" y="145" style="fill:rgb(255,255,255);font-size:17;font-family:typewriter;" onclick="activate('node3');" >@pre</text>
+<line x1="160" y1="141" x2="160" y2="141"style="stroke:rgb(0,0,0);stroke-width:2"/>
+<script type='text/javascript'><![CDATA[ tree['node4'] = { marked: false, fc: 'node-1', ns: 'node5', par: 'node1', ps: 'node3', max: 2, dlist: ['{ q₃ }', '{ q₅ q₇ }', '{ q₁₁ }', '{ }'], flist: ['{ q₃ q₅ q₇ }', '{ q₃ q₅ q₇ }', '{ q₃ q₅ q₇ q₁₁ }', '{ q₃ q₅ q₇ q₁₁ }'] };]]></script>
+<rect id="node4" onclick="activate('node4');" x="160" y="130"width="70" height="22" style="fill:rgb(69,113,204);stroke:rgb(0,0,0);stroke-width:2;stroke-dasharray:2,2"/><text x="170" y="145" style="fill:rgb(255,255,255);font-size:17;font-family:typewriter;" onclick="activate('node4');" >@post</text>
+<line x1="230" y1="141" x2="230" y2="141"style="stroke:rgb(0,0,0);stroke-width:2"/>
+<script type='text/javascript'><![CDATA[ tree['node5'] = { marked: false, fc: 'node-1', ns: 'node6', par: 'node1', ps: 'node4', max: 2, dlist: ['{ q₃ }', '{ q₅ q₇ }', '{ q₁₁ }', '{ }'], flist: ['{ q₃ q₅ q₇ }', '{ q₃ q₅ q₇ }', '{ q₃ q₅ q₇ q₁₁ }', '{ q₃ q₅ q₇ q₁₁ }'] };]]></script>
+<rect id="node5" onclick="activate('node5');" x="230" y="130"width="110" height="22" style="fill:rgb(69,113,204);stroke:rgb(0,0,0);stroke-width:2;stroke-dasharray:2,2"/><text x="240" y="145" style="fill:rgb(255,255,255);font-size:17;font-family:typewriter;" onclick="activate('node5');" >@xml:lang</text>
+<line x1="340" y1="141" x2="340" y2="141"style="stroke:rgb(0,0,0);stroke-width:2"/>
+<script type='text/javascript'><![CDATA[ tree['node6'] = { marked: true, fc: 'node7', ns: 'node20', par: 'node1', ps: 'node5', max: 2, dlist: ['{ q₃ }', '{ q₅ q₇ }', '{ q₁₁ q₁₂ q₁₃ }', '{ }'], flist: ['{ q₃ q₅ q₇ }', '{ q₃ q₅ q₇ }', '{ q₃ q₅ q₇ q₁₁ q₁₂ q₁₃ }', '{ q₃ q₅ q₇ q₁₁ q₁₂ q₁₃ }'] };]]></script>
+<rect id="node6" onclick="activate('node6');" x="340" y="130"width="30" height="22" style="fill:rgb(65,114,208);stroke:rgb(0,0,0);stroke-width:4"/><text x="350" y="145" style="fill:rgb(0,0,0);font-size:17;font-family:typewriter;" onclick="activate('node6');" >B</text>
+<script type='text/javascript'><![CDATA[ tree['node7'] = { marked: false, fc: 'node-1', ns: 'node8', par: 'node6', ps: 'node-1', max: 0, dlist: ['{ q₃ }', '{ }', '{ }', '{ }'], flist: ['{ q₃ }', '{ q₃ }', '{ q₃ }', '{ q₃ }'] };]]></script>
+<rect id="node7" onclick="activate('node7');" x="340" y="170"width="50" height="22" style="fill:rgb(5,3,12);stroke:rgb(0,0,0);stroke-width:2;stroke-dasharray:2,2"/><text x="350" y="185" style="fill:rgb(255,255,255);font-size:17;font-family:typewriter;" onclick="activate('node7');" >@id</text>
+<line x1="365" y1="152" x2="365" y2="170"style="stroke:rgb(0,0,0);stroke-width:2"/>
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+</div></div><script type='text/javascript'>
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+var svg = document.getElementById('svgimg');
+svg.setAttribute('width', 6850);
+svg.setAttribute('height', 330);
+activate('node0');
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+</script></body></html>
mark {
color: #00486c;
background: none;
+}
+u {
+ color: #00486c;
+ background: none;
+ text-decoration: none;
}
\ No newline at end of file
--- /dev/null
+<?xml version="1.0" encoding="utf-8" ?>
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
+ "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"
+>
+<html xmlns="http://www.w3.org/1999/xhtml" >
+ <head>
+ <title>XSLT</title>
+
+ <meta http-equiv="Content-Type"
+ content="text/html; charset=utf-8" />
+ <meta name="copyright"
+ content="Copyright © 2013 Kim Nguyễn" />
+
+ <!-- Load jQuery -->
+ <script src="../jquery-1.9.1.min.js" type="text/javascript" ></script>
+ <!-- Load the library -->
+ <script src="../simpleWebSlides.js" type="text/javascript" ></script>
+
+ <link rel="stylesheet" href="../simpleWebSlides.css" type="text/css" media="all" />
+ <!-- Load a custom Theme, the class-element marks this style-sheet
+ a "theme" that can be swtiched dynamicaly -->
+ <link class="sws-theme" rel="stylesheet" title="U-Psud style" href="../themes/uPsud.css" type="text/css" />
+
+ <!-- Customize some templates and initialize -->
+ <style type="text/css">
+ .xml-tag { color: #00486c; }
+ </style>
+ <script type="text/javascript">
+ <![CDATA[
+ SWS.Config['sws-slide-change'] = SWS.Effects.slideChangeFadeOutIn;
+ SWS.Config['sws-object-deactivate'] = SWS.Effects.objectDeactivateFadeOut;
+ SWS.Config['sws-object-activate'] = SWS.Effects.objectActivateFadeIn;
+
+ //Ensures that we load SWS at the very end, after MathJax has
+ //been initialized
+
+ $(window).load(function () {
+ $(".inline-xml").each(function(i, elem)
+ {
+ var jelem = $(elem);
+ var code = jelem.html();
+ code = code.replace ("<![CDATA" + "[", "").replace ("]" + "]>", "");
+ code = code.replace (/>/g, ">>>");
+ code = code.replace (/</g, "<span class='xml-tag'><");
+ code = code.replace (/>>>/g,"></span>");
+
+ jelem.html(code);
+ });
+ });
+
+ var checkSVG = function (o, i)
+ {
+ if (i >= 10 || SWS.Utils.isUndefined(o) || o == null) return;
+ var svg = o.getSVGDocument();
+ if (svg == null) {
+ setTimeout(function() { checkSVG(o, i+1); }, 200);
+ } else {
+ var alltext = $(svg).find("text");
+ alltext.css("font-family", "DIN");
+ alltext.css("font-size", "70%");
+
+ };
+ };
+ $(window).load(function() {
+ $("embed").ready(function() {
+ setTimeout(function() {
+ $("embed").each(function(i, o) { checkSVG(this,0); });
+}, 1000);
+ });
+ });
+ $(window).load(SWS.Presentation.init);
+
+ ]]>
+
+ </script>
+
+ </head>
+ <body>
+ <a href="xpi_03.xhtml" class="sws-previous"/>
+ <div class="sws-slide sws-cover sws-option-nofooter">
+ <h1>XML et Programmation Internet</h1>
+ <h1>Cours 4</h1>
+ <a href="mailto:kn@lri.fr">kn@lri.fr</a>
+ </div>
+ <h1>Namespaces</h1>
+ <div class="sws-slide">
+ <h1>Utilisation des <i>namespaces</i></h1>
+ <p><a>Problème</a> : comment mélanger au sein d'un même document des
+ balises venant de deux DTDs (ou schémas) <a>différentes</a>
+ ?<br/>Exemple : mettre du SVG (images vectorielles) dans
+ du XHTML (page web)</p>
+ <code style="font-size:80%;width:50%;float:left"><![CDATA[
+ <svg width="400" height="180">
+ <rect x="50"
+ y="20"
+ rx="20"
+ ry="20"
+ width="150" height="150"
+ style="fill:red;stroke:black;
+ stroke-width:5;opacity:0.5" />
+ </svg>
+ ]]>
+ </code>
+ <code style="font-size:80%;width:50%;float:left"><![CDATA[
+ <html>
+ <head><title>Mon image</title></head>
+ <body>
+
+ <h1>Une image</h1>
+ <!-- contenu de l'image -->
+
+ </body>
+ </html>
+ ]]>
+ </code>
+ <p>Comment spécifier que certains éléments doivent êtres
+ <a>interprétés</a> ? (par exemple par le navigateur web) et que
+ d'autres font parties des données ?</p>
+ </div>
+ <div class="sws-slide">
+ <h1>L'attribut <tt>xmlns</tt></h1>
+ <p>On peut utiliser un <a>attribut</a> spécial, <tt>xmlns</tt>
+ qui est autorisé dans <a>tous les documents XML</a>
+ sur <a>n'importe quel élément</a>. La valeur de ce dernier est
+ un lien identifiant la DTD et indique tous les descendants de
+ l'élément en question sont valides par rapport à la
+ DTD.<br/>Exemple:
+ </p>
+ <code style="font-size:80%;background:white;"><![CDATA[
+ <html ]]><s>xmlns="http://www.w3.org/1999/xhtml"</s><![CDATA[>
+ <head><title>Mon image</title></head>
+ <body>
+ <h1>Mon image</h1>
+ <svg width="400" height="180" ]]><s>xmlns="http://www.w3.org/2000/svg"</s><![CDATA[>
+ <rect x="50"
+ y="20"
+ rx="20"
+ ry="20"
+ width="150" height="150"
+ style="fill:red;stroke:black;
+ stroke-width:5;opacity:0.5" />
+ </svg>
+ </body>
+ </html>
+ ]]>
+ </code>
+
+ </div>
+ <div class="sws-slide">
+ <h1>L'attribut <tt>xmlns</tt></h1>
+ <p>On peut aussi donner <a>un nom</a> à un namespace particulier
+ et réutiliser ce nom dans les balises:</p>
+ <code style="font-size:80%;background:white;"><![CDATA[
+ <html ]]><s>xmlns="http://www.w3.org/1999/xhtml"</s>
+ <a>xmlns:svg="http://www.w3.org/2000/svg"</a><![CDATA[>
+ <head><title>Mon image</title></head>
+ <body>
+ <h1>Mon image</h1>
+ <svg:svg width="400" height="180"
+ <svg:rect x="50"
+ y="20"
+ rx="20"
+ ry="20"
+ width="150" height="150"
+ style="fill:red;stroke:black;
+ stroke-width:5;opacity:0.5" />
+ </svg:svg>
+ </body>
+ </html>]]> </code>
+<p style="background:white;">en utilisant l'attribut <tt>xmlns:toto="..."</tt> alors toutes la
+ balises de la forme <tt><toto:nombalise></tt> appartiennent au
+ namespace <tt>toto</tt>. Il ne faut pas oublier le namespace sur la
+ balise fermante !</p>
+ </div>
+ <div class="sws-slide">
+ <h1>Digression</h1>
+ <p>L'exemple précédent ressemble à ça :</p>
+ <div style="border: 1pt solid gray;margin: 10pt">
+ <h1 style="font-family:Serif;color:black;text-align:left">Mon image</h1>
+ <svg width="400" height="180" xmlns="http://www.w3.org/2000/svg">
+ <rect x="50"
+ y="20"
+ rx="20"
+ ry="20"
+ width="150" height="150"
+ style="fill:red;stroke:black;
+ stroke-width:5;opacity:0.5" />
+ </svg>
+ </div>
+ </div>
+ <h1>XSLT, principes</h1>
+ <div class="sws-slide">
+ <h1>XSLT</h1>
+ <p><a>eXtensible Stylesheet Language Transformations</a> : est
+ un langage de transformation de documents XML. Il permet
+ d'extraire (au moyen d'XPath) des nœuds d'un <a>document d'entrée</a>
+ et de les ré-organiser et de les copier dans un <a>document de
+ sortie</a>.
+ Le document de sortie est souvent du XML lui-même mais peut
+ être aussi du texte, du PDF, …
+ </p>
+ <ul>
+ <li>XSLT est standardisé par le W3C</li>
+ <li>Les programmes XSLT sont écrit eux-même en XML</li>
+ <li>Il existe plusieurs versions du standard (1.0, 2.0,
+ 3.0). Ce cours fait juste une introduction aux fonctionalités
+ les plus simples (1.0)</li>
+ </ul>
+ </div>
+ <div class="sws-slide">
+ <h1>Un exemple simple</h1>
+ <p>On réutilise un document de recette de cuisine
+ du <a href="xpi_01.xhtml">cours 01</a>. La DTD est:</p>
+<code style="color:black;position:relative;left:10%;"><![CDATA[<!ELEMENT recette (title,ingredients,duree,etapes)>
+<!ATTLIST recette difficulte (facile|normal|difficile) #REQUIRED>
+<!ELEMENT title #PCDATA >
+<!ELEMENT ingredients (ingredient+) >
+<!ELEMENT duree #PCDATA >
+<!ELEMENT etapes (e*) >
+<!ELEMENT ingredient #PCDATA>
+<!ELEMENT e #PCDATA>
+<!ATTLIST e num CDATA>
+]]></code>
+ </div>
+ <div class="sws-slide">
+ <h1>Un exemple simple (suite)</h1>
+ <p>Un document valide par rapport à la DTD est le suivant</p>
+ <code style="color:black;font-size:80%;position:relative;left:10%;"><![CDATA[
+<!DOCTYPE recette SYSTEM "recette.dtd">
+<recette difficulte="facile">
+<title>Tiramisú</title>
+<ingredients>
+ <ingredient>mascarpone</ingredient>
+ <ingredient>oeufs</ingredient>
+ <ingredient>sucre</ingredient>
+ <ingredient>café</ingredient>
+ <ingredient>biscuits</ingredient>
+</ingredients>
+<duree>2h</duree>
+<etapes>
+ <e num="1">Séparer les blancs des jaunes</e>
+ <e num="2">…</e>
+ …
+</etapes>
+</recette>
+]]></code>
+ </div>
+<div class="sws-slide">
+ <h1>Un exemple simple (suite)</h1>
+ <p>On va extraire des informations du document et en faire une
+ page web :</p>
+<code style="color:black;font-size:80%;position:relative;"><![CDATA[ <xsl:stylesheet version="1.0"
+ xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
+ <xsl:template match="/">
+ <html>
+ <head>
+ <title>Ingrédients du ]]><u><xsl:value-of select="descendant::title" /></u><![CDATA[ </title>
+ </head>
+ <body>
+ <h1>Ingrédients du ]]><u><xsl:value-of select="descendant::title" /></u><![CDATA[ </h1>
+ <ul>
+ ]]><u><xsl:for-each select="descendant::ingredient"></u><![CDATA[
+ <li> ]]><u><xsl:value-of select="child::text()" /></u><![CDATA[ </li>
+ ]]><u></xsl:for-each></u><![CDATA[
+ </ul>
+ </body>
+ </html>
+ </xsl:template>
+ </xsl:stylesheet>
+]]></code>
+</div>
+<div class="sws-slide">
+<h1>Comment exécuter un programme XSLT</h1>
+<ul>
+ <li>En utilisant un moteur XSLT comment le
+ programme <tt>xsltproc</tt> </li>
+ <li>En référençant la feuille de style et en ouvrant le document XML
+ avec Firefox :
+ <code>
+ <![CDATA[<!-- fichier recette.xml -->]]>
+ <u><?xml-stylesheet type="text/xsl" href="prog.xsl"?></u><![CDATA[
+ <recette difficulte="facile">
+ <title>Tiramisú</title>
+ <ingredients>
+ ...]]></code>
+ </li>
+ <li>En Java grace à la classe <tt>Transformer</tt> du package <tt>javax</tt></li>
+</ul>
+</div>
+<div class="sws-slide">
+<h1>Structure d'un programme XSLT</h1>
+<p>Un programme XSLT commence par la balise :<code><u><![CDATA[ <xsl:stylesheet version="1.0"
+ xmlns:xsl="http://www.w3.org/1999/XSL/Transform">]]></u></code>
+et fini par la balise : <code><u><![CDATA[ </xsl:stylesheet>]]></u></code>
+Le texte ainsi que les éléments qui ne sont pas dans
+ le <i>namespace</i> « <tt><a>xsl:</a></tt> » sont copiés à
+ l'identique dans la sortie.<br/>
+ Dans la balise principale <tt><xsl:stylesheet></tt> on trouve
+ un certain nombre de balises <u><tt><xsl:template match="…"
+ ></tt></u>.<br/>
+ Les <i>templates</i> vont jouer le rôle de fonctions et vont être
+ appelées pour transformer des nœuds du document en nœuds de sortie.
+</p>
+</div>
+<h1>Les templates XSLT</h1>
+<div class="sws-slide">
+ <h1>Templates</h1>
+<p>Un template est délimité par une balise <u><tt><xsl:template match="…"
+ ></tt></u> où le « … » est une expression XPath. Il peut y avoir
+ plusieurs templates dans un fichier XSLT. <br/>
+ Un template est appliqué à un ensemble de nœuds. Parmi cet
+ ensemble, tous les nœuds qui vérifient l'expression XPath de
+ l'attribut <tt>match</tt> sont passés en argument au template.<br/>
+ Initialement, tous les templates existants sont appliqués au nœud
+ fictif document.
+ </p>
+</div>
+<div class="sws-slide">
+ <h1>Retour sur l'exemple</h1>
+ <code style="color:black;font-size:80%;position:relative;"><![CDATA[ <xsl:stylesheet version="1.0"
+ xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
+ <xsl:template match="/">
+ <html>
+ <head>
+ <title>Ingrédients du ]]><u><xsl:value-of select="descendant::title" /></u><![CDATA[ </title>
+ </head>
+ <body>
+ <h1>Ingrédients du ]]><u><xsl:value-of select="descendant::title" /></u><![CDATA[ </h1>
+ <ul>
+ ]]><u><xsl:for-each select="descendant::ingredient"></u><![CDATA[
+ <li> ]]><u><xsl:value-of select="child::text()" /></u><![CDATA[ </li>
+ ]]><u></xsl:for-each></u><![CDATA[
+ </ul>
+ </body>
+ </html>
+ </xsl:template>
+ </xsl:stylesheet>
+]]></code>
+<ol><li>Initialement tous les templates (il n'y en a qu'un ici) sont
+ appliqués à la racine du document</li>
+<li>Pour chacun d'entre eux, l'expression XPath dans
+ le <tt>match</tt> est contrôlée. Si elle réussit, alors le template
+ est appliqué au nœud</li>
+</ol>
+</div>
+<div class="sws-slide">
+<h1>Deuxième exemple, 2 templates</h1>
+<p>
+ <code style="color:black;font-size:80%;position:relative;"><![CDATA[ <xsl:stylesheet version="1.0"
+ xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
+ <xsl:template match="/">
+ <html>
+ <head>
+ <title>Ingrédients du ]]><u><xsl:value-of select="descendant::title" /></u><![CDATA[ </title>
+ </head>
+ <body>
+ <h1>Ingrédients du ]]><u><xsl:value-of select="descendant::title" /></u><![CDATA[ </h1>
+ <ul>
+ ]]><u><xsl:apply-templates select="descendant::ingredient" /></u><![CDATA[
+ </ul>
+ </body>
+ </html>
+ </xsl:template>
+ <xsl:template match="ingredient">
+ <li> ]]><u><xsl:value-of select="child::text()" /></u><![CDATA[ </li>
+ </xsl:template>
+ </xsl:stylesheet>]]></code></p>
+<ol style="background:white;"><li>On applique tous les templates à la racine. Le
+ template <tt>match="/"</tt> réussit, le
+ template <tt>match="ingredient"</tt> échoue.</li>
+<li>L'expression
+ <tt><![CDATA[<xsl:apply-templates select="…" />]]></tt>
+ réapplique <a>tous</a> les templates à tous les nœuds sélectionnés
+ par l'expression XPath.</li>
+</ol></div>
+<div class="sws-slide">
+<h1>Priorité des templates</h1>
+<p>Que se passe-t-il si deux templates peuvent s'appliquer à un même
+ élément ? On applique les règles de priorité suivantes
+ (simplifiées) :
+</p>
+<ol>
+<li>Si le <tt>match</tt> d'un template contient un <tt>|</tt> entre
+ plusieurs chemins, la priorité la plus élevée de ces chemins est choisie
+</li>
+<li>si le <tt>match</tt> est de la forme : <tt>child::foo</tt>
+ ou <tt>attribute:foo</tt>, sa priorité est 0 </li>
+<li>si le <tt>match</tt> est de la forme : <tt>child::*</tt> ou
+ ou <tt>attribute:*</tt>, sa priorité est -0.25 </li>
+<li>si le <tt>match</tt> est de la form : <tt>child::text()</tt>
+ ou <tt>child::node()</tt> (idem avec <tt>attribute</tt>), sa
+ priorité est -0.5</li>
+<li>sinon (test complexe, par exemple <tt>foo[ count(child::bar) <
+ 4]</tt>), la priorité est 0.5</li>
+</ol>
+<p>Le template ayant la priorité la plus élevée est choisi. On peut
+ donner explicitement à un template une priorité avec
+ l'attribut <tt>priority="…"</tt><br/>Le moteur XSLT <s>lève une
+ erreur</s> d'exécution si deux templates ont exactement la même
+ priorité.</p>
+</div>
+<div class="sws-slide">
+<h1>Templates par défaut</h1>
+<p>Il existe 3 templates <a>par défaut</a> qui sont toujours
+ définis :</p>
+<code><![CDATA[ <xsl:template match="*|/">
+ <xsl:apply-templates/>
+ </xsl:template>
+
+ <xsl:template match="text()|@*">
+ <xsl:value-of select="."/>
+ </xsl:template>
+
+ <xsl:template match="processing-instruction()|comment()"/>
+]]>
+</code>
+<p>Ils ont des priorités inférieures aux templates présents dans le
+ fichier donc ne sont appliqués
+ que si aucun templates ne fonctionne. Ils permettent de « descendre
+ dans l'arbre » (jusqu'aux textes), si aucun template ne s'applique à
+ la racine.
+</p>
+</div>
+ </body>
+</html>
projects / hacks / simpleWebSlides.git / commitdiff