add initial marp implementation with sample content and build configuration
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"use strict";
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var __read = (this && this.__read) || function (o, n) {
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var m = typeof Symbol === "function" && o[Symbol.iterator];
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if (!m) return o;
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var i = m.call(o), r, ar = [], e;
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try {
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while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);
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}
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catch (error) { e = { error: error }; }
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finally {
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try {
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if (r && !r.done && (m = i["return"])) m.call(i);
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}
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finally { if (e) throw e.error; }
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}
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return ar;
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};
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var __values = (this && this.__values) || function(o) {
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var s = typeof Symbol === "function" && Symbol.iterator, m = s && o[s], i = 0;
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if (m) return m.call(o);
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if (o && typeof o.length === "number") return {
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next: function () {
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if (o && i >= o.length) o = void 0;
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return { value: o && o[i++], done: !o };
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}
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};
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throw new TypeError(s ? "Object is not iterable." : "Symbol.iterator is not defined.");
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};
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var __importDefault = (this && this.__importDefault) || function (mod) {
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return (mod && mod.__esModule) ? mod : { "default": mod };
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};
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var _a;
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.clearDocument = exports.saveDocument = exports.makeBsprAttributes = exports.removeProperty = exports.getProperty = exports.setProperty = exports.balanceRules = void 0;
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var NodeUtil_js_1 = __importDefault(require("../NodeUtil.js"));
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var ParseUtil_js_1 = __importDefault(require("../ParseUtil.js"));
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var doc = null;
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var item = null;
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var getBBox = function (node) {
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item.root = node;
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var width = doc.outputJax.getBBox(item, doc).w;
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return width;
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};
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var getRule = function (node) {
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var i = 0;
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while (node && !NodeUtil_js_1.default.isType(node, 'mtable')) {
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if (NodeUtil_js_1.default.isType(node, 'text')) {
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return null;
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}
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if (NodeUtil_js_1.default.isType(node, 'mrow')) {
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node = node.childNodes[0];
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i = 0;
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continue;
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}
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node = node.parent.childNodes[i];
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i++;
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}
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return node;
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};
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var getPremises = function (rule, direction) {
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return rule.childNodes[direction === 'up' ? 1 : 0].childNodes[0].
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childNodes[0].childNodes[0].childNodes[0];
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};
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var getPremise = function (premises, n) {
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return premises.childNodes[n].childNodes[0].childNodes[0];
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};
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var firstPremise = function (premises) {
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return getPremise(premises, 0);
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};
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var lastPremise = function (premises) {
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return getPremise(premises, premises.childNodes.length - 1);
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};
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var getConclusion = function (rule, direction) {
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return rule.childNodes[direction === 'up' ? 0 : 1].childNodes[0].childNodes[0].childNodes[0];
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};
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var getColumn = function (inf) {
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while (inf && !NodeUtil_js_1.default.isType(inf, 'mtd')) {
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inf = inf.parent;
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}
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return inf;
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};
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var nextSibling = function (inf) {
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return inf.parent.childNodes[inf.parent.childNodes.indexOf(inf) + 1];
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};
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var previousSibling = function (inf) {
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return inf.parent.childNodes[inf.parent.childNodes.indexOf(inf) - 1];
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};
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var getParentInf = function (inf) {
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while (inf && (0, exports.getProperty)(inf, 'inference') == null) {
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inf = inf.parent;
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}
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return inf;
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};
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var getSpaces = function (inf, rule, right) {
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if (right === void 0) { right = false; }
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var result = 0;
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if (inf === rule) {
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return result;
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}
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if (inf !== rule.parent) {
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var children_1 = inf.childNodes;
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var index_1 = right ? children_1.length - 1 : 0;
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if (NodeUtil_js_1.default.isType(children_1[index_1], 'mspace')) {
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result += getBBox(children_1[index_1]);
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}
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inf = rule.parent;
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}
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if (inf === rule) {
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return result;
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}
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var children = inf.childNodes;
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var index = right ? children.length - 1 : 0;
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if (children[index] !== rule) {
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result += getBBox(children[index]);
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}
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return result;
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};
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var adjustValue = function (inf, right) {
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if (right === void 0) { right = false; }
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var rule = getRule(inf);
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var conc = getConclusion(rule, (0, exports.getProperty)(rule, 'inferenceRule'));
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var w = getSpaces(inf, rule, right);
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var x = getBBox(rule);
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var y = getBBox(conc);
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return w + ((x - y) / 2);
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};
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var addSpace = function (config, inf, space, right) {
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if (right === void 0) { right = false; }
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if ((0, exports.getProperty)(inf, 'inferenceRule') ||
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(0, exports.getProperty)(inf, 'labelledRule')) {
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var mrow = config.nodeFactory.create('node', 'mrow');
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inf.parent.replaceChild(mrow, inf);
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mrow.setChildren([inf]);
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moveProperties(inf, mrow);
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inf = mrow;
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}
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var index = right ? inf.childNodes.length - 1 : 0;
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var mspace = inf.childNodes[index];
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if (NodeUtil_js_1.default.isType(mspace, 'mspace')) {
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NodeUtil_js_1.default.setAttribute(mspace, 'width', ParseUtil_js_1.default.Em(ParseUtil_js_1.default.dimen2em(NodeUtil_js_1.default.getAttribute(mspace, 'width')) + space));
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return;
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}
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mspace = config.nodeFactory.create('node', 'mspace', [], { width: ParseUtil_js_1.default.Em(space) });
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if (right) {
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inf.appendChild(mspace);
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return;
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}
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mspace.parent = inf;
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inf.childNodes.unshift(mspace);
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};
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var moveProperties = function (src, dest) {
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var props = ['inference', 'proof', 'maxAdjust', 'labelledRule'];
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props.forEach(function (x) {
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var value = (0, exports.getProperty)(src, x);
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if (value != null) {
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(0, exports.setProperty)(dest, x, value);
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(0, exports.removeProperty)(src, x);
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}
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});
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};
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var adjustSequents = function (config) {
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var sequents = config.nodeLists['sequent'];
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if (!sequents) {
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return;
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}
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for (var i = sequents.length - 1, seq = void 0; seq = sequents[i]; i--) {
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if ((0, exports.getProperty)(seq, 'sequentProcessed')) {
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(0, exports.removeProperty)(seq, 'sequentProcessed');
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continue;
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}
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var collect = [];
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var inf = getParentInf(seq);
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if ((0, exports.getProperty)(inf, 'inference') !== 1) {
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continue;
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}
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collect.push(seq);
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while ((0, exports.getProperty)(inf, 'inference') === 1) {
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inf = getRule(inf);
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var premise = firstPremise(getPremises(inf, (0, exports.getProperty)(inf, 'inferenceRule')));
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var sequent = ((0, exports.getProperty)(premise, 'inferenceRule')) ?
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getConclusion(premise, (0, exports.getProperty)(premise, 'inferenceRule')) :
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premise;
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if ((0, exports.getProperty)(sequent, 'sequent')) {
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seq = sequent.childNodes[0];
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collect.push(seq);
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(0, exports.setProperty)(seq, 'sequentProcessed', true);
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}
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inf = premise;
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}
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adjustSequentPairwise(config, collect);
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}
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};
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var addSequentSpace = function (config, sequent, position, direction, width) {
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var mspace = config.nodeFactory.create('node', 'mspace', [], { width: ParseUtil_js_1.default.Em(width) });
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if (direction === 'left') {
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var row = sequent.childNodes[position].childNodes[0];
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mspace.parent = row;
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row.childNodes.unshift(mspace);
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}
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else {
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sequent.childNodes[position].appendChild(mspace);
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}
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(0, exports.setProperty)(sequent.parent, 'sequentAdjust_' + direction, width);
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};
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var adjustSequentPairwise = function (config, sequents) {
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var top = sequents.pop();
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while (sequents.length) {
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var bottom = sequents.pop();
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var _a = __read(compareSequents(top, bottom), 2), left = _a[0], right = _a[1];
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if ((0, exports.getProperty)(top.parent, 'axiom')) {
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addSequentSpace(config, left < 0 ? top : bottom, 0, 'left', Math.abs(left));
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addSequentSpace(config, right < 0 ? top : bottom, 2, 'right', Math.abs(right));
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}
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top = bottom;
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}
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};
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var compareSequents = function (top, bottom) {
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var tr = getBBox(top.childNodes[2]);
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var br = getBBox(bottom.childNodes[2]);
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var tl = getBBox(top.childNodes[0]);
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var bl = getBBox(bottom.childNodes[0]);
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var dl = tl - bl;
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var dr = tr - br;
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return [dl, dr];
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};
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var balanceRules = function (arg) {
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var e_1, _a;
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item = new arg.document.options.MathItem('', null, arg.math.display);
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var config = arg.data;
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adjustSequents(config);
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var inferences = config.nodeLists['inference'] || [];
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try {
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for (var inferences_1 = __values(inferences), inferences_1_1 = inferences_1.next(); !inferences_1_1.done; inferences_1_1 = inferences_1.next()) {
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var inf = inferences_1_1.value;
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var isProof = (0, exports.getProperty)(inf, 'proof');
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var rule = getRule(inf);
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var premises = getPremises(rule, (0, exports.getProperty)(rule, 'inferenceRule'));
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var premiseF = firstPremise(premises);
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if ((0, exports.getProperty)(premiseF, 'inference')) {
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var adjust_1 = adjustValue(premiseF);
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if (adjust_1) {
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addSpace(config, premiseF, -adjust_1);
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var w_1 = getSpaces(inf, rule, false);
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addSpace(config, inf, adjust_1 - w_1);
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}
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}
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var premiseL = lastPremise(premises);
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if ((0, exports.getProperty)(premiseL, 'inference') == null) {
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continue;
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}
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var adjust = adjustValue(premiseL, true);
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addSpace(config, premiseL, -adjust, true);
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var w = getSpaces(inf, rule, true);
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var maxAdjust = (0, exports.getProperty)(inf, 'maxAdjust');
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if (maxAdjust != null) {
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adjust = Math.max(adjust, maxAdjust);
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}
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var column = void 0;
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if (isProof || !(column = getColumn(inf))) {
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addSpace(config, (0, exports.getProperty)(inf, 'proof') ? inf : inf.parent, adjust - w, true);
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continue;
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}
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var sibling = nextSibling(column);
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if (sibling) {
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var pos = config.nodeFactory.create('node', 'mspace', [], { width: adjust - w + 'em' });
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sibling.appendChild(pos);
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inf.removeProperty('maxAdjust');
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continue;
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}
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var parentRule = getParentInf(column);
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if (!parentRule) {
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continue;
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}
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adjust = (0, exports.getProperty)(parentRule, 'maxAdjust') ?
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Math.max((0, exports.getProperty)(parentRule, 'maxAdjust'), adjust) : adjust;
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(0, exports.setProperty)(parentRule, 'maxAdjust', adjust);
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}
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}
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catch (e_1_1) { e_1 = { error: e_1_1 }; }
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finally {
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try {
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if (inferences_1_1 && !inferences_1_1.done && (_a = inferences_1.return)) _a.call(inferences_1);
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}
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finally { if (e_1) throw e_1.error; }
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}
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};
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exports.balanceRules = balanceRules;
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var property_prefix = 'bspr_';
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var blacklistedProperties = (_a = {},
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_a[property_prefix + 'maxAdjust'] = true,
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_a);
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var setProperty = function (node, property, value) {
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NodeUtil_js_1.default.setProperty(node, property_prefix + property, value);
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};
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exports.setProperty = setProperty;
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var getProperty = function (node, property) {
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return NodeUtil_js_1.default.getProperty(node, property_prefix + property);
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};
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exports.getProperty = getProperty;
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var removeProperty = function (node, property) {
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node.removeProperty(property_prefix + property);
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};
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exports.removeProperty = removeProperty;
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var makeBsprAttributes = function (arg) {
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arg.data.root.walkTree(function (mml, _data) {
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var attr = [];
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mml.getPropertyNames().forEach(function (x) {
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if (!blacklistedProperties[x] && x.match(RegExp('^' + property_prefix))) {
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attr.push(x + ':' + mml.getProperty(x));
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}
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});
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if (attr.length) {
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NodeUtil_js_1.default.setAttribute(mml, 'semantics', attr.join(';'));
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}
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});
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};
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exports.makeBsprAttributes = makeBsprAttributes;
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var saveDocument = function (arg) {
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doc = arg.document;
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if (!('getBBox' in doc.outputJax)) {
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throw Error('The bussproofs extension requires an output jax with a getBBox() method');
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}
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};
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exports.saveDocument = saveDocument;
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var clearDocument = function (_arg) {
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doc = null;
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};
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exports.clearDocument = clearDocument;
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//# sourceMappingURL=BussproofsUtil.js.map
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