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// @flow
import defineFunction, {ordargument} from "../defineFunction";
import buildCommon from "../buildCommon";
import Style from "../Style";
import * as html from "../buildHTML";
import * as mml from "../buildMathML";
import type {ParseNode} from "../parseNode";
const chooseMathStyle = (group: ParseNode<"mathchoice">, options) => {
switch (options.style.size) {
case Style.DISPLAY.size: return group.display;
case Style.TEXT.size: return group.text;
case Style.SCRIPT.size: return group.script;
case Style.SCRIPTSCRIPT.size: return group.scriptscript;
default: return group.text;
}
};
defineFunction({
type: "mathchoice",
names: ["\\mathchoice"],
props: {
numArgs: 4,
primitive: true,
},
handler: ({parser}, args) => {
return {
type: "mathchoice",
mode: parser.mode,
display: ordargument(args[0]),
text: ordargument(args[1]),
script: ordargument(args[2]),
scriptscript: ordargument(args[3]),
};
},
htmlBuilder: (group, options) => {
const body = chooseMathStyle(group, options);
const elements = html.buildExpression(
body,
options,
false
);
return buildCommon.makeFragment(elements);
},
mathmlBuilder: (group, options) => {
const body = chooseMathStyle(group, options);
return mml.buildExpressionRow(body, options);
},
});
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