Process SMIL directives in XML data: Difference between revisions
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=={{header|Phix}}==
<!--<lang Phix>
<span style="color: #008080;">with</span> <span style="color: #008080;">javascript_semantics</span>
<span style="color: #008080;">include</span> <span style="color: #000000;">builtins</span><span style="color: #0000FF;">\</span><span style="color: #000000;">xml</span><span style="color: #0000FF;">.</span><span style="color: #000000;">e</span>
<span style="color: #008080;">constant</span> <span style="color: #000000;">xml</span> <span style="color: #0000FF;">=</span> <span style="color: #008000;">"""
<?xml version="1.0" ?>
<smil>
<X3D>
<Scene>
<Viewpoint position="0 0 8" orientation="0 0 1 0"/>
<PointLight
<Shape>
<Box size='2 1 2'>
<animate attributeName="size" from="2 1 2"
to="1 2 1" begin="0s" dur="10s"/>
</Box>
<Appearance>
<Material diffuseColor='0.0 0.6 1.0'>
<animate attributeName="diffuseColor" from="0.0 0.6 1.0"
to="1.0 0.4 0.0" begin="0s" dur="10s"/>
</Material>
</Appearance>
</Shape>
</Scene>
</X3D>
</smil>
"""</span>
<span style="color: #008080;">function</span> <span style="color: #000000;">animate_contents</span><span style="color: #0000FF;">(</span><span style="color: #004080;">sequence</span> <span style="color: #000000;">doc</span><span style="color: #0000FF;">,</span> <span style="color: #004080;">atom</span> <span style="color: #000000;">t</span><span style="color: #0000FF;">)</span>
<span style="color: #000000;">doc</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">deep_copy</span><span style="color: #0000FF;">(</span><span style="color: #000000;">doc</span><span style="color: #0000FF;">)</span>
<span style="color: #004080;">sequence</span> <span style="color: #000000;">a</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">xml_get_nodes</span><span style="color: #0000FF;">(</span><span style="color: #000000;">doc</span><span style="color: #0000FF;">,</span><span style="color: #008000;">"animate"</span><span style="color: #0000FF;">)</span>
<span style="color: #008080;">if</span> <span style="color: #000000;">a</span><span style="color: #0000FF;">={}</span> <span style="color: #008080;">then</span>
<span style="color: #008080;">for</span> <span style="color: #000000;">i</span><span style="color: #0000FF;">=</span><span style="color: #000000;">1</span> <span style="color: #008080;">to</span> <span style="color: #7060A8;">length</span><span style="color: #0000FF;">(</span><span style="color: #000000;">doc</span><span style="color: #0000FF;">[</span><span style="color: #000000;">XML_CONTENTS</span><span style="color: #0000FF;">])</span> <span style="color: #008080;">do</span>
<span style="color: #000000;">doc</span><span style="color: #0000FF;">[</span><span style="color: #000000;">XML_CONTENTS</span><span style="color: #0000FF;">][</span><span style="color: #000000;">i</span><span style="color: #0000FF;">]</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">animate_contents</span><span style="color: #0000FF;">(</span><span style="color: #000000;">doc</span><span style="color: #0000FF;">[</span><span style="color: #000000;">XML_CONTENTS</span><span style="color: #0000FF;">][</span><span style="color: #000000;">i</span><span style="color: #0000FF;">],</span><span style="color: #000000;">t</span><span style="color: #0000FF;">)</span>
<span style="color: #008080;">end</span> <span style="color: #008080;">for</span>
<span style="color: #008080;">else</span>
<span style="color: #008080;">for</span> <span style="color: #000000;">i</span><span style="color: #0000FF;">=</span><span style="color: #000000;">1</span> <span style="color: #008080;">to</span> <span style="color: #7060A8;">length</span><span style="color: #0000FF;">(</span><span style="color: #000000;">doc</span><span style="color: #0000FF;">[</span><span style="color: #000000;">XML_CONTENTS</span><span style="color: #0000FF;">])</span> <span style="color: #008080;">do</span>
<span style="color: #008080;">if</span> <span style="color: #000000;">doc</span><span style="color: #0000FF;">[</span><span style="color: #000000;">XML_CONTENTS</span><span style="color: #0000FF;">][</span><span style="color: #000000;">i</span><span style="color: #0000FF;">][</span><span style="color: #000000;">XML_TAGNAME</span><span style="color: #0000FF;">]=</span><span style="color: #008000;">"animate"</span> <span style="color: #008080;">then</span>
<span style="color: #004080;">string</span> <span style="color: #000000;">name</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">xml_get_attribute</span><span style="color: #0000FF;">(</span><span style="color: #000000;">doc</span><span style="color: #0000FF;">[</span><span style="color: #000000;">XML_CONTENTS</span><span style="color: #0000FF;">][</span><span style="color: #000000;">i</span><span style="color: #0000FF;">],</span><span style="color: #008000;">"attributeName"</span><span style="color: #0000FF;">),</span>
<span style="color: #000000;">vfrm</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">xml_get_attribute</span><span style="color: #0000FF;">(</span><span style="color: #000000;">doc</span><span style="color: #0000FF;">[</span><span style="color: #000000;">XML_CONTENTS</span><span style="color: #0000FF;">][</span><span style="color: #000000;">i</span><span style="color: #0000FF;">],</span><span style="color: #008000;">"from"</span><span style="color: #0000FF;">),</span>
<span style="color: #000000;">v_to</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">xml_get_attribute</span><span style="color: #0000FF;">(</span><span style="color: #000000;">doc</span><span style="color: #0000FF;">[</span><span style="color: #000000;">XML_CONTENTS</span><span style="color: #0000FF;">][</span><span style="color: #000000;">i</span><span style="color: #0000FF;">],</span><span style="color: #008000;">"to"</span><span style="color: #0000FF;">),</span>
<span style="color: #000000;">sbeg</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">xml_get_attribute</span><span style="color: #0000FF;">(</span><span style="color: #000000;">doc</span><span style="color: #0000FF;">[</span><span style="color: #000000;">XML_CONTENTS</span><span style="color: #0000FF;">][</span><span style="color: #000000;">i</span><span style="color: #0000FF;">],</span><span style="color: #008000;">"begin"</span><span style="color: #0000FF;">),</span>
<span style="color: #000000;">sdur</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">xml_get_attribute</span><span style="color: #0000FF;">(</span><span style="color: #000000;">doc</span><span style="color: #0000FF;">[</span><span style="color: #000000;">XML_CONTENTS</span><span style="color: #0000FF;">][</span><span style="color: #000000;">i</span><span style="color: #0000FF;">],</span><span style="color: #008000;">"dur"</span><span style="color: #0000FF;">)</span>
<span style="color: #004080;">sequence</span> <span style="color: #000000;">from</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">apply</span><span style="color: #0000FF;">(</span><span style="color: #7060A8;">split</span><span style="color: #0000FF;">(</span><span style="color: #000000;">vfrm</span><span style="color: #0000FF;">),</span><span style="color: #7060A8;">to_number</span><span style="color: #0000FF;">),</span>
<span style="color: #000000;">to_s</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">apply</span><span style="color: #0000FF;">(</span><span style="color: #7060A8;">split</span><span style="color: #0000FF;">(</span><span style="color: #000000;">v_to</span><span style="color: #0000FF;">),</span><span style="color: #7060A8;">to_number</span><span style="color: #0000FF;">)</span>
<span style="color: #004080;">atom</span> <span style="color: #000000;">begin</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">to_number</span><span style="color: #0000FF;">(</span><span style="color: #7060A8;">trim_tail</span><span style="color: #0000FF;">(</span><span style="color: #000000;">sbeg</span><span style="color: #0000FF;">,</span><span style="color: #008000;">"s"</span><span style="color: #0000FF;">)),</span>
<span style="color: #000000;">durat</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">to_number</span><span style="color: #0000FF;">(</span><span style="color: #7060A8;">trim_tail</span><span style="color: #0000FF;">(</span><span style="color: #000000;">sdur</span><span style="color: #0000FF;">,</span><span style="color: #008000;">"s"</span><span style="color: #0000FF;">)),</span>
<span style="color: #000000;">fj</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">begin</span><span style="color: #0000FF;">+</span><span style="color: #000000;">durat</span><span style="color: #0000FF;">-</span><span style="color: #000000;">t</span><span style="color: #0000FF;">,</span>
<span style="color: #000000;">tj</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">t</span><span style="color: #0000FF;">-</span><span style="color: #000000;">begin</span>
<span style="color: #000080;font-style:italic;">-- plenty more error handling possible here...</span>
<span style="color: #008080;">if</span> <span style="color: #000000;">tj</span><span style="color: #0000FF;"><</span><span style="color: #000000;">0</span> <span style="color: #008080;">or</span> <span style="color: #000000;">fj</span><span style="color: #0000FF;"><</span><span style="color: #000000;">0</span> <span style="color: #008080;">or</span> <span style="color: #7060A8;">length</span><span style="color: #0000FF;">(</span><span style="color: #000000;">from</span><span style="color: #0000FF;">)!=</span><span style="color: #7060A8;">length</span><span style="color: #0000FF;">(</span><span style="color: #000000;">to_s</span><span style="color: #0000FF;">)</span> <span style="color: #008080;">then</span> <span style="color: #0000FF;">?</span><span style="color: #000000;">9</span><span style="color: #0000FF;">/</span><span style="color: #000000;">0</span> <span style="color: #008080;">end</span> <span style="color: #008080;">if</span>
<span style="color: #008080;">for</span> <span style="color: #000000;">j</span><span style="color: #0000FF;">=</span><span style="color: #000000;">1</span> <span style="color: #008080;">to</span> <span style="color: #7060A8;">length</span><span style="color: #0000FF;">(</span><span style="color: #000000;">from</span><span style="color: #0000FF;">)</span> <span style="color: #008080;">do</span>
<span style="color: #000000;">from</span><span style="color: #0000FF;">[</span><span style="color: #000000;">j</span><span style="color: #0000FF;">]</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">sprintf</span><span style="color: #0000FF;">(</span><span style="color: #008000;">"%.2f"</span><span style="color: #0000FF;">,(</span><span style="color: #000000;">from</span><span style="color: #0000FF;">[</span><span style="color: #000000;">j</span><span style="color: #0000FF;">]*</span><span style="color: #000000;">fj</span><span style="color: #0000FF;">+</span><span style="color: #000000;">to_s</span><span style="color: #0000FF;">[</span><span style="color: #000000;">j</span><span style="color: #0000FF;">]*</span><span style="color: #000000;">tj</span><span style="color: #0000FF;">)/</span><span style="color: #000000;">durat</span><span style="color: #0000FF;">)</span>
<span style="color: #000000;">doc</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">xml_set_attribute</span><span style="color: #0000FF;">(</span><span style="color: #000000;">doc</span><span style="color: #0000FF;">,</span><span style="color: #000000;">name</span><span style="color: #0000FF;">,</span><span style="color: #7060A8;">join</span><span style="color: #0000FF;">(</span><span style="color: #000000;">from</span><span style="color: #0000FF;">,</span><span style="color: #008000;">" "</span><span style="color: #0000FF;">))</span>
<span style="color: #000000;">doc</span><span style="color: #0000FF;">[</span><span style="color: #000000;">XML_CONTENTS</span><span style="color: #0000FF;">][</span><span style="color: #000000;">i</span><span style="color: #0000FF;">..</span><span style="color: #000000;">i</span><span style="color: #0000FF;">]</span> <span style="color: #0000FF;">=</span> <span style="color: #008000;">""</span> <span style="color: #000080;font-style:italic;">-- remove 'animate'</span>
<span
<span style="color:
<span style="color: #008080;">end</span> <span style="color: #008080;">for</span>
<span style="color: #008080;">end</span> <span style="color: #008080;">if</span>
<span style="color: #008080;">return</span> <span style="color: #000000;">doc</span>
<span style="color: #008080;">end</span> <span style="color: #008080;">function</span>
<span style="color: #008080;">function</span> <span style="color: #000000;">animate</span><span style="color: #0000FF;">(</span><span style="color: #004080;">sequence</span> <span style="color: #000000;">doc</span><span style="color: #0000FF;">,</span> <span style="color: #004080;">atom</span> <span style="color: #000000;">t</span><span style="color: #0000FF;">)</span>
<span style="color: #000000;">doc</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">deep_copy</span><span style="color: #0000FF;">(</span><span style="color: #000000;">doc</span><span style="color: #0000FF;">)</span>
<span style="color: #000000;">doc</span><span style="color: #0000FF;">[</span><span style="color: #000000;">XML_CONTENTS</span><span style="color: #0000FF;">]</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">doc</span><span style="color: #0000FF;">[</span><span style="color: #000000;">XML_CONTENTS</span><span style="color: #0000FF;">][</span><span style="color: #000000;">XML_CONTENTS</span><span style="color: #0000FF;">][</span><span style="color: #000000;">1</span><span style="color: #0000FF;">]</span> <span style="color: #000080;font-style:italic;">-- remove smil</span>
<span style="color: #000000;">doc</span><span style="color: #0000FF;">[</span><span style="color: #000000;">XML_CONTENTS</span><span style="color: #0000FF;">]</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">animate_contents</span><span style="color: #0000FF;">(</span><span style="color: #000000;">doc</span><span style="color: #0000FF;">[</span><span style="color: #000000;">XML_CONTENTS</span><span style="color: #0000FF;">],</span><span style="color: #000000;">t</span><span style="color: #0000FF;">)</span>
<span style="color: #008080;">return</span> <span style="color: #000000;">doc</span>
<span style="color: #008080;">end</span> <span style="color: #008080;">function</span>
<span style="color: #004080;">sequence</span> <span style="color: #000000;">doc</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">xml_parse</span><span style="color: #0000FF;">(</span><span style="color: #000000;">xml</span><span style="color: #0000FF;">)</span>
<span style="color: #008080;">if</span> <span style="color: #000000;">doc</span><span style="color: #0000FF;">[</span><span style="color: #000000;">XML_DOCUMENT</span><span style="color: #0000FF;">]!=</span><span style="color: #008000;">"document"</span>
<span style="color: #008080;">or</span> <span style="color: #000000;">doc</span><span style="color: #0000FF;">[</span><span style="color: #000000;">XML_CONTENTS</span><span style="color: #0000FF;">][</span><span style="color: #000000;">XML_TAGNAME</span><span style="color: #0000FF;">]!=</span><span style="color: #008000;">"smil"</span>
<span style="color: #008080;">or</span> <span style="color: #7060A8;">length</span><span style="color: #0000FF;">(</span><span style="color: #000000;">doc</span><span style="color: #0000FF;">[</span><span style="color: #000000;">XML_CONTENTS</span><span style="color: #0000FF;">][</span><span style="color: #000000;">XML_CONTENTS</span><span style="color: #0000FF;">])!=</span><span style="color: #000000;">1</span>
<span style="color: #008080;">or</span> <span style="color: #000000;">doc</span><span style="color: #0000FF;">[</span><span style="color: #000000;">XML_CONTENTS</span><span style="color: #0000FF;">][</span><span style="color: #000000;">XML_CONTENTS</span><span style="color: #0000FF;">][</span><span style="color: #000000;">1</span><span style="color: #0000FF;">][</span><span style="color: #000000;">XML_TAGNAME</span><span style="color: #0000FF;">]!=</span><span style="color: #008000;">"X3D"</span> <span style="color: #008080;">then</span>
<span style="color: #0000FF;">?</span><span style="color: #000000;">9</span><span style="color: #0000FF;">/</span><span style="color: #000000;">0</span>
<span style="color: #008080;">end</span> <span style="color: #008080;">if</span>
<span style="color: #7060A8;">printf</span><span style="color: #0000FF;">(</span><span style="color: #000000;">1</span><span style="color: #0000FF;">,</span><span style="color: #008000;">"At time = 0:\n\n"</span><span style="color: #0000FF;">)</span>
<span style="color: #7060A8;">puts</span><span style="color: #0000FF;">(</span><span style="color: #000000;">1</span><span style="color: #0000FF;">,</span><span style="color: #7060A8;">xml_sprint</span><span style="color: #0000FF;">(</span><span style="color: #000000;">animate</span><span style="color: #0000FF;">(</span><span style="color: #000000;">doc</span><span style="color: #0000FF;">,</span><span style="color: #000000;">0</span><span style="color: #0000FF;">)))</span>
<span style="color: #7060A8;">printf</span><span style="color: #0000FF;">(</span><span style="color: #000000;">1</span><span style="color: #0000FF;">,</span><span style="color: #008000;">"\nAt time = 2:\n\n"</span><span style="color: #0000FF;">)</span>
<span style="color: #7060A8;">puts</span><span style="color: #0000FF;">(</span><span style="color: #000000;">1</span><span style="color: #0000FF;">,</span><span style="color: #7060A8;">xml_sprint</span><span style="color: #0000FF;">(</span><span style="color: #000000;">animate</span><span style="color: #0000FF;">(</span><span style="color: #000000;">doc</span><span style="color: #0000FF;">,</span><span style="color: #000000;">2</span><span style="color: #0000FF;">)))</span>
<!--</lang>-->
{{out}}
<pre>
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