site/node_modules/mathjax-full/js/output/common/Wrapper.js

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2024-10-14 06:09:33 +00:00
"use strict";
var __extends = (this && this.__extends) || (function () {
var extendStatics = function (d, b) {
extendStatics = Object.setPrototypeOf ||
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
return extendStatics(d, b);
};
return function (d, b) {
if (typeof b !== "function" && b !== null)
throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
})();
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
__setModuleDefault(result, mod);
return result;
};
var __values = (this && this.__values) || function(o) {
var s = typeof Symbol === "function" && Symbol.iterator, m = s && o[s], i = 0;
if (m) return m.call(o);
if (o && typeof o.length === "number") return {
next: function () {
if (o && i >= o.length) o = void 0;
return { value: o && o[i++], done: !o };
}
};
throw new TypeError(s ? "Object is not iterable." : "Symbol.iterator is not defined.");
};
var __read = (this && this.__read) || function (o, n) {
var m = typeof Symbol === "function" && o[Symbol.iterator];
if (!m) return o;
var i = m.call(o), r, ar = [], e;
try {
while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);
}
catch (error) { e = { error: error }; }
finally {
try {
if (r && !r.done && (m = i["return"])) m.call(i);
}
finally { if (e) throw e.error; }
}
return ar;
};
var __spreadArray = (this && this.__spreadArray) || function (to, from, pack) {
if (pack || arguments.length === 2) for (var i = 0, l = from.length, ar; i < l; i++) {
if (ar || !(i in from)) {
if (!ar) ar = Array.prototype.slice.call(from, 0, i);
ar[i] = from[i];
}
}
return to.concat(ar || Array.prototype.slice.call(from));
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.CommonWrapper = void 0;
var Wrapper_js_1 = require("../../core/Tree/Wrapper.js");
var MmlNode_js_1 = require("../../core/MmlTree/MmlNode.js");
var string_js_1 = require("../../util/string.js");
var LENGTHS = __importStar(require("../../util/lengths.js"));
var Styles_js_1 = require("../../util/Styles.js");
var BBox_js_1 = require("../../util/BBox.js");
var FontData_js_1 = require("./FontData.js");
var SMALLSIZE = 2 / 18;
function MathMLSpace(script, size) {
return (script ? size < SMALLSIZE ? 0 : SMALLSIZE : size);
}
var CommonWrapper = (function (_super) {
__extends(CommonWrapper, _super);
function CommonWrapper(factory, node, parent) {
if (parent === void 0) { parent = null; }
var _this = _super.call(this, factory, node) || this;
_this.parent = null;
_this.removedStyles = null;
_this.styles = null;
_this.variant = '';
_this.bboxComputed = false;
_this.stretch = FontData_js_1.NOSTRETCH;
_this.font = null;
_this.parent = parent;
_this.font = factory.jax.font;
_this.bbox = BBox_js_1.BBox.zero();
_this.getStyles();
_this.getVariant();
_this.getScale();
_this.getSpace();
_this.childNodes = node.childNodes.map(function (child) {
var wrapped = _this.wrap(child);
if (wrapped.bbox.pwidth && (node.notParent || node.isKind('math'))) {
_this.bbox.pwidth = BBox_js_1.BBox.fullWidth;
}
return wrapped;
});
return _this;
}
Object.defineProperty(CommonWrapper.prototype, "jax", {
get: function () {
return this.factory.jax;
},
enumerable: false,
configurable: true
});
Object.defineProperty(CommonWrapper.prototype, "adaptor", {
get: function () {
return this.factory.jax.adaptor;
},
enumerable: false,
configurable: true
});
Object.defineProperty(CommonWrapper.prototype, "metrics", {
get: function () {
return this.factory.jax.math.metrics;
},
enumerable: false,
configurable: true
});
Object.defineProperty(CommonWrapper.prototype, "fixesPWidth", {
get: function () {
return !this.node.notParent && !this.node.isToken;
},
enumerable: false,
configurable: true
});
CommonWrapper.prototype.wrap = function (node, parent) {
if (parent === void 0) { parent = null; }
var wrapped = this.factory.wrap(node, parent || this);
if (parent) {
parent.childNodes.push(wrapped);
}
this.jax.nodeMap.set(node, wrapped);
return wrapped;
};
CommonWrapper.prototype.getBBox = function (save) {
if (save === void 0) { save = true; }
if (this.bboxComputed) {
return this.bbox;
}
var bbox = (save ? this.bbox : BBox_js_1.BBox.zero());
this.computeBBox(bbox);
this.bboxComputed = save;
return bbox;
};
CommonWrapper.prototype.getOuterBBox = function (save) {
var e_1, _a;
if (save === void 0) { save = true; }
var bbox = this.getBBox(save);
if (!this.styles)
return bbox;
var obox = new BBox_js_1.BBox();
Object.assign(obox, bbox);
try {
for (var _b = __values(BBox_js_1.BBox.StyleAdjust), _c = _b.next(); !_c.done; _c = _b.next()) {
var _d = __read(_c.value, 2), name_1 = _d[0], side = _d[1];
var x = this.styles.get(name_1);
if (x) {
obox[side] += this.length2em(x, 1, obox.rscale);
}
}
}
catch (e_1_1) { e_1 = { error: e_1_1 }; }
finally {
try {
if (_c && !_c.done && (_a = _b.return)) _a.call(_b);
}
finally { if (e_1) throw e_1.error; }
}
return obox;
};
CommonWrapper.prototype.computeBBox = function (bbox, recompute) {
var e_2, _a;
if (recompute === void 0) { recompute = false; }
bbox.empty();
try {
for (var _b = __values(this.childNodes), _c = _b.next(); !_c.done; _c = _b.next()) {
var child = _c.value;
bbox.append(child.getOuterBBox());
}
}
catch (e_2_1) { e_2 = { error: e_2_1 }; }
finally {
try {
if (_c && !_c.done && (_a = _b.return)) _a.call(_b);
}
finally { if (e_2) throw e_2.error; }
}
bbox.clean();
if (this.fixesPWidth && this.setChildPWidths(recompute)) {
this.computeBBox(bbox, true);
}
};
CommonWrapper.prototype.setChildPWidths = function (recompute, w, clear) {
var e_3, _a;
if (w === void 0) { w = null; }
if (clear === void 0) { clear = true; }
if (recompute) {
return false;
}
if (clear) {
this.bbox.pwidth = '';
}
var changed = false;
try {
for (var _b = __values(this.childNodes), _c = _b.next(); !_c.done; _c = _b.next()) {
var child = _c.value;
var cbox = child.getOuterBBox();
if (cbox.pwidth && child.setChildPWidths(recompute, w === null ? cbox.w : w, clear)) {
changed = true;
}
}
}
catch (e_3_1) { e_3 = { error: e_3_1 }; }
finally {
try {
if (_c && !_c.done && (_a = _b.return)) _a.call(_b);
}
finally { if (e_3) throw e_3.error; }
}
return changed;
};
CommonWrapper.prototype.invalidateBBox = function () {
if (this.bboxComputed) {
this.bboxComputed = false;
if (this.parent) {
this.parent.invalidateBBox();
}
}
};
CommonWrapper.prototype.copySkewIC = function (bbox) {
var first = this.childNodes[0];
if (first === null || first === void 0 ? void 0 : first.bbox.sk) {
bbox.sk = first.bbox.sk;
}
if (first === null || first === void 0 ? void 0 : first.bbox.dx) {
bbox.dx = first.bbox.dx;
}
var last = this.childNodes[this.childNodes.length - 1];
if (last === null || last === void 0 ? void 0 : last.bbox.ic) {
bbox.ic = last.bbox.ic;
bbox.w += bbox.ic;
}
};
CommonWrapper.prototype.getStyles = function () {
var styleString = this.node.attributes.getExplicit('style');
if (!styleString)
return;
var style = this.styles = new Styles_js_1.Styles(styleString);
for (var i = 0, m = CommonWrapper.removeStyles.length; i < m; i++) {
var id = CommonWrapper.removeStyles[i];
if (style.get(id)) {
if (!this.removedStyles)
this.removedStyles = {};
this.removedStyles[id] = style.get(id);
style.set(id, '');
}
}
};
CommonWrapper.prototype.getVariant = function () {
if (!this.node.isToken)
return;
var attributes = this.node.attributes;
var variant = attributes.get('mathvariant');
if (!attributes.getExplicit('mathvariant')) {
var values = attributes.getList('fontfamily', 'fontweight', 'fontstyle');
if (this.removedStyles) {
var style = this.removedStyles;
if (style.fontFamily)
values.family = style.fontFamily;
if (style.fontWeight)
values.weight = style.fontWeight;
if (style.fontStyle)
values.style = style.fontStyle;
}
if (values.fontfamily)
values.family = values.fontfamily;
if (values.fontweight)
values.weight = values.fontweight;
if (values.fontstyle)
values.style = values.fontstyle;
if (values.weight && values.weight.match(/^\d+$/)) {
values.weight = (parseInt(values.weight) > 600 ? 'bold' : 'normal');
}
if (values.family) {
variant = this.explicitVariant(values.family, values.weight, values.style);
}
else {
if (this.node.getProperty('variantForm'))
variant = '-tex-variant';
variant = (CommonWrapper.BOLDVARIANTS[values.weight] || {})[variant] || variant;
variant = (CommonWrapper.ITALICVARIANTS[values.style] || {})[variant] || variant;
}
}
this.variant = variant;
};
CommonWrapper.prototype.explicitVariant = function (fontFamily, fontWeight, fontStyle) {
var style = this.styles;
if (!style)
style = this.styles = new Styles_js_1.Styles();
style.set('fontFamily', fontFamily);
if (fontWeight)
style.set('fontWeight', fontWeight);
if (fontStyle)
style.set('fontStyle', fontStyle);
return '-explicitFont';
};
CommonWrapper.prototype.getScale = function () {
var scale = 1, parent = this.parent;
var pscale = (parent ? parent.bbox.scale : 1);
var attributes = this.node.attributes;
var scriptlevel = Math.min(attributes.get('scriptlevel'), 2);
var fontsize = attributes.get('fontsize');
var mathsize = (this.node.isToken || this.node.isKind('mstyle') ?
attributes.get('mathsize') : attributes.getInherited('mathsize'));
if (scriptlevel !== 0) {
scale = Math.pow(attributes.get('scriptsizemultiplier'), scriptlevel);
var scriptminsize = this.length2em(attributes.get('scriptminsize'), .8, 1);
if (scale < scriptminsize)
scale = scriptminsize;
}
if (this.removedStyles && this.removedStyles.fontSize && !fontsize) {
fontsize = this.removedStyles.fontSize;
}
if (fontsize && !attributes.getExplicit('mathsize')) {
mathsize = fontsize;
}
if (mathsize !== '1') {
scale *= this.length2em(mathsize, 1, 1);
}
this.bbox.scale = scale;
this.bbox.rscale = scale / pscale;
};
CommonWrapper.prototype.getSpace = function () {
var isTop = this.isTopEmbellished();
var hasSpacing = this.node.hasSpacingAttributes();
if (this.jax.options.mathmlSpacing || hasSpacing) {
isTop && this.getMathMLSpacing();
}
else {
this.getTeXSpacing(isTop, hasSpacing);
}
};
CommonWrapper.prototype.getMathMLSpacing = function () {
var node = this.node.coreMO();
var child = node.coreParent();
var parent = child.parent;
if (!parent || !parent.isKind('mrow') || parent.childNodes.length === 1)
return;
var attributes = node.attributes;
var isScript = (attributes.get('scriptlevel') > 0);
this.bbox.L = (attributes.isSet('lspace') ?
Math.max(0, this.length2em(attributes.get('lspace'))) :
MathMLSpace(isScript, node.lspace));
this.bbox.R = (attributes.isSet('rspace') ?
Math.max(0, this.length2em(attributes.get('rspace'))) :
MathMLSpace(isScript, node.rspace));
var n = parent.childIndex(child);
if (n === 0)
return;
var prev = parent.childNodes[n - 1];
if (!prev.isEmbellished)
return;
var bbox = this.jax.nodeMap.get(prev).getBBox();
if (bbox.R) {
this.bbox.L = Math.max(0, this.bbox.L - bbox.R);
}
};
CommonWrapper.prototype.getTeXSpacing = function (isTop, hasSpacing) {
if (!hasSpacing) {
var space = this.node.texSpacing();
if (space) {
this.bbox.L = this.length2em(space);
}
}
if (isTop || hasSpacing) {
var attributes = this.node.coreMO().attributes;
if (attributes.isSet('lspace')) {
this.bbox.L = Math.max(0, this.length2em(attributes.get('lspace')));
}
if (attributes.isSet('rspace')) {
this.bbox.R = Math.max(0, this.length2em(attributes.get('rspace')));
}
}
};
CommonWrapper.prototype.isTopEmbellished = function () {
return (this.node.isEmbellished &&
!(this.node.parent && this.node.parent.isEmbellished));
};
CommonWrapper.prototype.core = function () {
return this.jax.nodeMap.get(this.node.core());
};
CommonWrapper.prototype.coreMO = function () {
return this.jax.nodeMap.get(this.node.coreMO());
};
CommonWrapper.prototype.getText = function () {
var e_4, _a;
var text = '';
if (this.node.isToken) {
try {
for (var _b = __values(this.node.childNodes), _c = _b.next(); !_c.done; _c = _b.next()) {
var child = _c.value;
if (child instanceof MmlNode_js_1.TextNode) {
text += child.getText();
}
}
}
catch (e_4_1) { e_4 = { error: e_4_1 }; }
finally {
try {
if (_c && !_c.done && (_a = _b.return)) _a.call(_b);
}
finally { if (e_4) throw e_4.error; }
}
}
return text;
};
CommonWrapper.prototype.canStretch = function (direction) {
this.stretch = FontData_js_1.NOSTRETCH;
if (this.node.isEmbellished) {
var core = this.core();
if (core && core.node !== this.node) {
if (core.canStretch(direction)) {
this.stretch = core.stretch;
}
}
}
return this.stretch.dir !== 0;
};
CommonWrapper.prototype.getAlignShift = function () {
var _a;
var _b = (_a = this.node.attributes).getList.apply(_a, __spreadArray([], __read(MmlNode_js_1.indentAttributes), false)), indentalign = _b.indentalign, indentshift = _b.indentshift, indentalignfirst = _b.indentalignfirst, indentshiftfirst = _b.indentshiftfirst;
if (indentalignfirst !== 'indentalign') {
indentalign = indentalignfirst;
}
if (indentalign === 'auto') {
indentalign = this.jax.options.displayAlign;
}
if (indentshiftfirst !== 'indentshift') {
indentshift = indentshiftfirst;
}
if (indentshift === 'auto') {
indentshift = this.jax.options.displayIndent;
if (indentalign === 'right' && !indentshift.match(/^\s*0[a-z]*\s*$/)) {
indentshift = ('-' + indentshift.trim()).replace(/^--/, '');
}
}
var shift = this.length2em(indentshift, this.metrics.containerWidth);
return [indentalign, shift];
};
CommonWrapper.prototype.getAlignX = function (W, bbox, align) {
return (align === 'right' ? W - (bbox.w + bbox.R) * bbox.rscale :
align === 'left' ? bbox.L * bbox.rscale :
(W - bbox.w * bbox.rscale) / 2);
};
CommonWrapper.prototype.getAlignY = function (H, D, h, d, align) {
return (align === 'top' ? H - h :
align === 'bottom' ? d - D :
align === 'center' ? ((H - h) - (D - d)) / 2 :
0);
};
CommonWrapper.prototype.getWrapWidth = function (i) {
return this.childNodes[i].getBBox().w;
};
CommonWrapper.prototype.getChildAlign = function (_i) {
return 'left';
};
CommonWrapper.prototype.percent = function (m) {
return LENGTHS.percent(m);
};
CommonWrapper.prototype.em = function (m) {
return LENGTHS.em(m);
};
CommonWrapper.prototype.px = function (m, M) {
if (M === void 0) { M = -LENGTHS.BIGDIMEN; }
return LENGTHS.px(m, M, this.metrics.em);
};
CommonWrapper.prototype.length2em = function (length, size, scale) {
if (size === void 0) { size = 1; }
if (scale === void 0) { scale = null; }
if (scale === null) {
scale = this.bbox.scale;
}
return LENGTHS.length2em(length, size, scale, this.jax.pxPerEm);
};
CommonWrapper.prototype.unicodeChars = function (text, name) {
if (name === void 0) { name = this.variant; }
var chars = (0, string_js_1.unicodeChars)(text);
var variant = this.font.getVariant(name);
if (variant && variant.chars) {
var map_1 = variant.chars;
chars = chars.map(function (n) { return ((map_1[n] || [])[3] || {}).smp || n; });
}
return chars;
};
CommonWrapper.prototype.remapChars = function (chars) {
return chars;
};
CommonWrapper.prototype.mmlText = function (text) {
return this.node.factory.create('text').setText(text);
};
CommonWrapper.prototype.mmlNode = function (kind, properties, children) {
if (properties === void 0) { properties = {}; }
if (children === void 0) { children = []; }
return this.node.factory.create(kind, properties, children);
};
CommonWrapper.prototype.createMo = function (text) {
var mmlFactory = this.node.factory;
var textNode = mmlFactory.create('text').setText(text);
var mml = mmlFactory.create('mo', { stretchy: true }, [textNode]);
mml.inheritAttributesFrom(this.node);
var node = this.wrap(mml);
node.parent = this;
return node;
};
CommonWrapper.prototype.getVariantChar = function (variant, n) {
var char = this.font.getChar(variant, n) || [0, 0, 0, { unknown: true }];
if (char.length === 3) {
char[3] = {};
}
return char;
};
CommonWrapper.kind = 'unknown';
CommonWrapper.styles = {};
CommonWrapper.removeStyles = [
'fontSize', 'fontFamily', 'fontWeight',
'fontStyle', 'fontVariant', 'font'
];
CommonWrapper.skipAttributes = {
fontfamily: true, fontsize: true, fontweight: true, fontstyle: true,
color: true, background: true,
'class': true, href: true, style: true,
xmlns: true
};
CommonWrapper.BOLDVARIANTS = {
bold: {
normal: 'bold',
italic: 'bold-italic',
fraktur: 'bold-fraktur',
script: 'bold-script',
'sans-serif': 'bold-sans-serif',
'sans-serif-italic': 'sans-serif-bold-italic'
},
normal: {
bold: 'normal',
'bold-italic': 'italic',
'bold-fraktur': 'fraktur',
'bold-script': 'script',
'bold-sans-serif': 'sans-serif',
'sans-serif-bold-italic': 'sans-serif-italic'
}
};
CommonWrapper.ITALICVARIANTS = {
italic: {
normal: 'italic',
bold: 'bold-italic',
'sans-serif': 'sans-serif-italic',
'bold-sans-serif': 'sans-serif-bold-italic'
},
normal: {
italic: 'normal',
'bold-italic': 'bold',
'sans-serif-italic': 'sans-serif',
'sans-serif-bold-italic': 'bold-sans-serif'
}
};
return CommonWrapper;
}(Wrapper_js_1.AbstractWrapper));
exports.CommonWrapper = CommonWrapper;
//# sourceMappingURL=Wrapper.js.map