doc/conditions/expression.svg

<svg class="railroad-diagram" height="318" viewBox="0 0 507.0 318" width="507.0" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="translate(.5 .5)">
<style>/* <![CDATA[ */

	svg.railroad-diagram {
		background-color: rgba(255, 255, 255, 0); /* transparent white*/
	}
	svg.railroad-diagram path {
		stroke-width:3;
		stroke:black;
		fill: rgba(0,0,0,0);
	}
	svg.railroad-diagram text {
		/* font:bold 14px sans; */
		font-family: sans;
		text-anchor:middle;
    	fill: black; /* color of text */
	}
	svg.railroad-diagram .labelname{
		font-family: sans;
		text-anchor:middle;
		stroke-width: 0
        fill: red; /* color of text */
	}

	svg.railroad-diagram text.label{
		text-anchor:start;
	}

	svg.railroad-diagram text.comment{
		/* font:italic 12px monospace;*/
		font-family: sans;
		font-style: italic;
	}

    svg.railroad-diagram .nterm { /* defines non-terminals */
		stroke-width:3;
		stroke:black;
		fill: rgb(181,232,247);
	}

    svg.railroad-diagram .term { /* defines terminals */
		stroke-width:3;
		stroke:black;
		fill: rgb(217,194,240);
	}

	svg.railroad-diagram rect.group-box {
		stroke: gray;
		stroke-dasharray: 10 5;
		fill: none;
	}

/* ]]> */
</style><g>
<path d="M20 21v20m10 -20v20m-10 -10h20"></path></g><g>
<path d="M40 31h0.0"></path><path d="M467.0 31h0.0"></path><path d="M40.0 31h20"></path><g>
<path d="M60.0 31h159.75"></path><path d="M287.25 31h159.75"></path><g class="non-terminal ">
<path d="M219.75 31h0.0"></path><path d="M287.25 31h0.0"></path><rect class="nterm" height="22" rx="10" ry="10" width="67.5" x="219.75" y="20"></rect><text x="253.5" y="35">field</text></g></g><path d="M447.0 31h20"></path><path d="M40.0 31a10 10 0 0 1 10 10v11a10 10 0 0 0 10 10"></path><g>
<path d="M60.0 62h101.75"></path><path d="M345.25 62h101.75"></path><g class="terminal ">
<path d="M161.75 62h0.0"></path><path d="M210.25 62h0.0"></path><rect class="term" height="24" width="48.5" x="161.75" y="51"></rect><text x="186.0" y="67">NOT</text></g><path d="M210.25 62h10"></path><path d="M220.25 62h10"></path><g class="non-terminal ">
<path d="M230.25 62h0.0"></path><path d="M345.25 62h0.0"></path><rect class="nterm" height="22" rx="10" ry="10" width="115.0" x="230.25" y="51"></rect><text x="287.75" y="66">expression</text></g></g><path d="M447.0 62a10 10 0 0 0 10 -10v-11a10 10 0 0 1 10 -10"></path><path d="M40.0 31a10 10 0 0 1 10 10v43a10 10 0 0 0 10 10"></path><g>
<path d="M60.0 94h53.25"></path><path d="M393.75 94h53.25"></path><g class="terminal ">
<path d="M113.25 94h0.0"></path><path d="M171.25 94h0.0"></path><rect class="term" height="24" width="58.0" x="113.25" y="83"></rect><text x="142.25" y="99">OPEN</text></g><path d="M171.25 94h10"></path><path d="M181.25 94h10"></path><g class="non-terminal ">
<path d="M191.25 94h0.0"></path><path d="M306.25 94h0.0"></path><rect class="nterm" height="22" rx="10" ry="10" width="115.0" x="191.25" y="83"></rect><text x="248.75" y="98">expression</text></g><path d="M306.25 94h10"></path><path d="M316.25 94h10"></path><g class="terminal ">
<path d="M326.25 94h0.0"></path><path d="M393.75 94h0.0"></path><rect class="term" height="24" width="67.5" x="326.25" y="83"></rect><text x="360.0" y="99">CLOSE</text></g></g><path d="M447.0 94a10 10 0 0 0 10 -10v-43a10 10 0 0 1 10 -10"></path><path d="M40.0 31a10 10 0 0 1 10 10v75a10 10 0 0 0 10 10"></path><g>
<path d="M60.0 126h4.75"></path><path d="M442.25 126h4.75"></path><g class="terminal ">
<path d="M64.75 126h0.0"></path><path d="M141.75 126h0.0"></path><rect class="term" height="24" width="77.0" x="64.75" y="115"></rect><text x="103.25" y="131">'head'</text></g><path d="M141.75 126h10"></path><path d="M151.75 126h10"></path><g class="terminal ">
<path d="M161.75 126h0.0"></path><path d="M219.75 126h0.0"></path><rect class="term" height="24" width="58.0" x="161.75" y="115"></rect><text x="190.75" y="131">OPEN</text></g><path d="M219.75 126h10"></path><path d="M229.75 126h10"></path><g class="non-terminal ">
<path d="M239.75 126h0.0"></path><path d="M354.75 126h0.0"></path><rect class="nterm" height="22" rx="10" ry="10" width="115.0" x="239.75" y="115"></rect><text x="297.25" y="130">expression</text></g><path d="M354.75 126h10"></path><path d="M364.75 126h10"></path><g class="terminal ">
<path d="M374.75 126h0.0"></path><path d="M442.25 126h0.0"></path><rect class="term" height="24" width="67.5" x="374.75" y="115"></rect><text x="408.5" y="131">CLOSE</text></g></g><path d="M447.0 126a10 10 0 0 0 10 -10v-75a10 10 0 0 1 10 -10"></path><path d="M40.0 31a10 10 0 0 1 10 10v107a10 10 0 0 0 10 10"></path><g>
<path d="M60.0 158h0.0"></path><path d="M447.0 158h0.0"></path><g class="terminal ">
<path d="M60.0 158h0.0"></path><path d="M146.5 158h0.0"></path><rect class="term" height="24" width="86.5" x="60.0" y="147"></rect><text x="103.25" y="163">'child'</text></g><path d="M146.5 158h10"></path><path d="M156.5 158h10"></path><g class="terminal ">
<path d="M166.5 158h0.0"></path><path d="M224.5 158h0.0"></path><rect class="term" height="24" width="58.0" x="166.5" y="147"></rect><text x="195.5" y="163">OPEN</text></g><path d="M224.5 158h10"></path><path d="M234.5 158h10"></path><g class="non-terminal ">
<path d="M244.5 158h0.0"></path><path d="M359.5 158h0.0"></path><rect class="nterm" height="22" rx="10" ry="10" width="115.0" x="244.5" y="147"></rect><text x="302.0" y="162">expression</text></g><path d="M359.5 158h10"></path><path d="M369.5 158h10"></path><g class="terminal ">
<path d="M379.5 158h0.0"></path><path d="M447.0 158h0.0"></path><rect class="term" height="24" width="67.5" x="379.5" y="147"></rect><text x="413.25" y="163">CLOSE</text></g></g><path d="M447.0 158a10 10 0 0 0 10 -10v-107a10 10 0 0 1 10 -10"></path><path d="M40.0 31a10 10 0 0 1 10 10v139a10 10 0 0 0 10 10"></path><g>
<path d="M60.0 190h4.75"></path><path d="M442.25 190h4.75"></path><g class="terminal ">
<path d="M64.75 190h0.0"></path><path d="M141.75 190h0.0"></path><rect class="term" height="24" width="77.0" x="64.75" y="179"></rect><text x="103.25" y="195">'prec'</text></g><path d="M141.75 190h10"></path><path d="M151.75 190h10"></path><g class="terminal ">
<path d="M161.75 190h0.0"></path><path d="M219.75 190h0.0"></path><rect class="term" height="24" width="58.0" x="161.75" y="179"></rect><text x="190.75" y="195">OPEN</text></g><path d="M219.75 190h10"></path><path d="M229.75 190h10"></path><g class="non-terminal ">
<path d="M239.75 190h0.0"></path><path d="M354.75 190h0.0"></path><rect class="nterm" height="22" rx="10" ry="10" width="115.0" x="239.75" y="179"></rect><text x="297.25" y="194">expression</text></g><path d="M354.75 190h10"></path><path d="M364.75 190h10"></path><g class="terminal ">
<path d="M374.75 190h0.0"></path><path d="M442.25 190h0.0"></path><rect class="term" height="24" width="67.5" x="374.75" y="179"></rect><text x="408.5" y="195">CLOSE</text></g></g><path d="M447.0 190a10 10 0 0 0 10 -10v-139a10 10 0 0 1 10 -10"></path><path d="M40.0 31a10 10 0 0 1 10 10v171a10 10 0 0 0 10 10"></path><g>
<path d="M60.0 222h4.75"></path><path d="M442.25 222h4.75"></path><g class="terminal ">
<path d="M64.75 222h0.0"></path><path d="M141.75 222h0.0"></path><rect class="term" height="24" width="77.0" x="64.75" y="211"></rect><text x="103.25" y="227">'next'</text></g><path d="M141.75 222h10"></path><path d="M151.75 222h10"></path><g class="terminal ">
<path d="M161.75 222h0.0"></path><path d="M219.75 222h0.0"></path><rect class="term" height="24" width="58.0" x="161.75" y="211"></rect><text x="190.75" y="227">OPEN</text></g><path d="M219.75 222h10"></path><path d="M229.75 222h10"></path><g class="non-terminal ">
<path d="M239.75 222h0.0"></path><path d="M354.75 222h0.0"></path><rect class="nterm" height="22" rx="10" ry="10" width="115.0" x="239.75" y="211"></rect><text x="297.25" y="226">expression</text></g><path d="M354.75 222h10"></path><path d="M364.75 222h10"></path><g class="terminal ">
<path d="M374.75 222h0.0"></path><path d="M442.25 222h0.0"></path><rect class="term" height="24" width="67.5" x="374.75" y="211"></rect><text x="408.5" y="227">CLOSE</text></g></g><path d="M447.0 222a10 10 0 0 0 10 -10v-171a10 10 0 0 1 10 -10"></path><path d="M40.0 31a10 10 0 0 1 10 10v203a10 10 0 0 0 10 10"></path><g>
<path d="M60.0 254h34.25"></path><path d="M412.75 254h34.25"></path><g class="non-terminal ">
<path d="M94.25 254h0.0"></path><path d="M209.25 254h0.0"></path><rect class="nterm" height="22" rx="10" ry="10" width="115.0" x="94.25" y="243"></rect><text x="151.75" y="258">expression</text></g><path d="M209.25 254h10"></path><path d="M219.25 254h10"></path><g class="terminal ">
<path d="M229.25 254h0.0"></path><path d="M277.75 254h0.0"></path><rect class="term" height="24" width="48.5" x="229.25" y="243"></rect><text x="253.5" y="259">AND</text></g><path d="M277.75 254h10"></path><path d="M287.75 254h10"></path><g class="non-terminal ">
<path d="M297.75 254h0.0"></path><path d="M412.75 254h0.0"></path><rect class="nterm" height="22" rx="10" ry="10" width="115.0" x="297.75" y="243"></rect><text x="355.25" y="258">expression</text></g></g><path d="M447.0 254a10 10 0 0 0 10 -10v-203a10 10 0 0 1 10 -10"></path><path d="M40.0 31a10 10 0 0 1 10 10v235a10 10 0 0 0 10 10"></path><g>
<path d="M60.0 286h39.0"></path><path d="M408.0 286h39.0"></path><g class="non-terminal ">
<path d="M99.0 286h0.0"></path><path d="M214.0 286h0.0"></path><rect class="nterm" height="22" rx="10" ry="10" width="115.0" x="99.0" y="275"></rect><text x="156.5" y="290">expression</text></g><path d="M214.0 286h10"></path><path d="M224.0 286h10"></path><g class="terminal ">
<path d="M234.0 286h0.0"></path><path d="M273.0 286h0.0"></path><rect class="term" height="24" width="39.0" x="234.0" y="275"></rect><text x="253.5" y="291">OR</text></g><path d="M273.0 286h10"></path><path d="M283.0 286h10"></path><g class="non-terminal ">
<path d="M293.0 286h0.0"></path><path d="M408.0 286h0.0"></path><rect class="nterm" height="22" rx="10" ry="10" width="115.0" x="293.0" y="275"></rect><text x="350.5" y="290">expression</text></g></g><path d="M447.0 286a10 10 0 0 0 10 -10v-235a10 10 0 0 1 10 -10"></path></g><path d="M 467.0 31 h 20 m -10 -10 v 20 m 10 -20 v 20"></path></g></svg>