speech-rule-engine
Version:
A standalone speech rule engine for XML structures, based on the original engine from ChromeVox.
122 lines • 4.72 kB
JavaScript
;
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Object.defineProperty(o, k2, desc);
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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 () {
var ownKeys = function(o) {
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__setModuleDefault(result, mod);
return result;
};
})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.ColorGenerator = void 0;
const DomUtil = __importStar(require("../common/dom_util.js"));
const enrich_attr_js_1 = require("../enrich_mathml/enrich_attr.js");
const color_picker_js_1 = require("../highlighter/color_picker.js");
const rebuild_stree_js_1 = require("../walker/rebuild_stree.js");
const WalkerUtil = __importStar(require("../walker/walker_util.js"));
const abstract_speech_generator_js_1 = require("./abstract_speech_generator.js");
class ColorGenerator extends abstract_speech_generator_js_1.AbstractSpeechGenerator {
constructor() {
super(...arguments);
this.modality = (0, enrich_attr_js_1.addPrefix)('foreground');
this.contrast = new color_picker_js_1.ContrastPicker();
}
static visitStree_(tree, leaves, ignore) {
if (!tree.childNodes.length) {
if (!ignore[tree.id]) {
leaves.push(tree.id);
}
return;
}
if (tree.contentNodes.length) {
if (tree.type === 'punctuated') {
tree.contentNodes.forEach((x) => (ignore[x.id] = true));
}
if (tree.role !== 'implicit') {
leaves.push(tree.contentNodes.map((x) => x.id));
}
}
if (tree.childNodes.length) {
if (tree.role === 'implicit') {
const factors = [];
let rest = [];
for (const child of tree.childNodes) {
const tt = [];
ColorGenerator.visitStree_(child, tt, ignore);
if (tt.length <= 2) {
factors.push(tt.shift());
}
rest = rest.concat(tt);
}
leaves.push(factors);
rest.forEach((x) => leaves.push(x));
return;
}
tree.childNodes.forEach((x) => ColorGenerator.visitStree_(x, leaves, ignore));
}
}
getSpeech(node, _xml) {
return WalkerUtil.getAttribute(node, this.modality);
}
generateSpeech(node, xml) {
if (!this.getRebuilt()) {
this.setRebuilt(new rebuild_stree_js_1.RebuildStree(DomUtil.parseInput(xml)));
}
this.colorLeaves_(node);
return WalkerUtil.getAttribute(node, this.modality);
}
colorLeaves_(node) {
const leaves = [];
ColorGenerator.visitStree_(this.getRebuilt().streeRoot, leaves, {});
for (const id of leaves) {
const color = this.contrast.generate();
let success = false;
if (Array.isArray(id)) {
success = id
.map((x) => this.colorLeave_(node, x, color))
.reduce((x, y) => x || y, false);
}
else {
success = this.colorLeave_(node, id.toString(), color);
}
if (success) {
this.contrast.increment();
}
}
}
colorLeave_(node, id, color) {
const aux = WalkerUtil.getBySemanticId(node, id);
if (aux) {
aux.setAttribute(this.modality, color);
return true;
}
return false;
}
}
exports.ColorGenerator = ColorGenerator;
//# sourceMappingURL=color_generator.js.map