speech-rule-engine
Version:
A standalone speech rule engine for XML structures, based on the original engine from ChromeVox.
202 lines • 8.12 kB
JavaScript
"use strict";
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 () {
var ownKeys = function(o) {
ownKeys = Object.getOwnPropertyNames || function (o) {
var ar = [];
for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
return ar;
};
return ownKeys(o);
};
return function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k = ownKeys(mod), i = 0; i < k.length; i++) if (k[i] !== "default") __createBinding(result, mod, k[i]);
__setModuleDefault(result, mod);
return result;
};
})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.TableWalker = void 0;
const DomUtil = __importStar(require("../common/dom_util.js"));
const event_util_js_1 = require("../common/event_util.js");
const semantic_meaning_js_1 = require("../semantic_tree/semantic_meaning.js");
const syntax_walker_js_1 = require("./syntax_walker.js");
const walker_js_1 = require("./walker.js");
class TableWalker extends syntax_walker_js_1.SyntaxWalker {
constructor(node, generator, highlighter, xml) {
super(node, generator, highlighter, xml);
this.node = node;
this.generator = generator;
this.highlighter = highlighter;
this.firstJump = null;
this.key_ = null;
this.row_ = 0;
this.currentTable_ = null;
this.keyMapping.set(event_util_js_1.KeyCode.ZERO, this.jumpCell.bind(this));
this.keyMapping.set(event_util_js_1.KeyCode.ONE, this.jumpCell.bind(this));
this.keyMapping.set(event_util_js_1.KeyCode.TWO, this.jumpCell.bind(this));
this.keyMapping.set(event_util_js_1.KeyCode.THREE, this.jumpCell.bind(this));
this.keyMapping.set(event_util_js_1.KeyCode.FOUR, this.jumpCell.bind(this));
this.keyMapping.set(event_util_js_1.KeyCode.FIVE, this.jumpCell.bind(this));
this.keyMapping.set(event_util_js_1.KeyCode.SIX, this.jumpCell.bind(this));
this.keyMapping.set(event_util_js_1.KeyCode.SEVEN, this.jumpCell.bind(this));
this.keyMapping.set(event_util_js_1.KeyCode.EIGHT, this.jumpCell.bind(this));
this.keyMapping.set(event_util_js_1.KeyCode.NINE, this.jumpCell.bind(this));
}
move(key) {
this.key_ = key;
const result = super.move(key);
this.modifier = false;
return result;
}
up() {
this.moved = walker_js_1.WalkerMoves.UP;
return this.eligibleCell_() ? this.verticalMove_(false) : super.up();
}
down() {
this.moved = walker_js_1.WalkerMoves.DOWN;
return this.eligibleCell_() ? this.verticalMove_(true) : super.down();
}
jumpCell() {
if (!this.isInTable_() || this.key_ === null) {
return this.getFocus();
}
if (this.moved === walker_js_1.WalkerMoves.ROW) {
this.moved = walker_js_1.WalkerMoves.CELL;
const column = this.key_ - event_util_js_1.KeyCode.ZERO;
if (!this.isLegalJump_(this.row_, column)) {
return this.getFocus();
}
return this.jumpCell_(this.row_, column);
}
const row = this.key_ - event_util_js_1.KeyCode.ZERO;
if (row > this.currentTable_.childNodes.length) {
return this.getFocus();
}
this.row_ = row;
this.moved = walker_js_1.WalkerMoves.ROW;
return this.getFocus().clone();
}
undo() {
const focus = super.undo();
if (focus === this.firstJump) {
this.firstJump = null;
}
return focus;
}
eligibleCell_() {
const primary = this.getFocus().getSemanticPrimary();
return (this.modifier &&
primary.type === semantic_meaning_js_1.SemanticType.CELL &&
TableWalker.ELIGIBLE_CELL_ROLES.indexOf(primary.role) !== -1);
}
verticalMove_(direction) {
const parent = this.previousLevel();
if (!parent) {
return null;
}
const origFocus = this.getFocus();
const origIndex = this.levels.indexOf(this.primaryId());
const origLevel = this.levels.pop();
const parentIndex = this.levels.indexOf(parent);
const row = this.levels.get(direction ? parentIndex + 1 : parentIndex - 1);
if (!row) {
this.levels.push(origLevel);
return null;
}
this.setFocus(this.singletonFocus(row));
const children = this.nextLevel();
const newNode = children[origIndex];
if (!newNode) {
this.setFocus(origFocus);
this.levels.push(origLevel);
return null;
}
this.levels.push(children);
return this.singletonFocus(children[origIndex]);
}
jumpCell_(row, column) {
if (!this.firstJump) {
this.firstJump = this.getFocus();
this.virtualize(true);
}
else {
this.virtualize(false);
}
const id = this.currentTable_.id.toString();
let level;
do {
level = this.levels.pop();
} while (level.indexOf(id) === -1);
this.levels.push(level);
this.setFocus(this.singletonFocus(id));
this.levels.push(this.nextLevel());
const semRow = this.currentTable_.childNodes[row - 1];
this.setFocus(this.singletonFocus(semRow.id.toString()));
this.levels.push(this.nextLevel());
return this.singletonFocus(semRow.childNodes[column - 1].id.toString());
}
isLegalJump_(row, column) {
const xmlTable = DomUtil.querySelectorAllByAttrValue(this.getRebuilt().xml, 'id', this.currentTable_.id.toString())[0];
if (!xmlTable || xmlTable.hasAttribute('alternative')) {
return false;
}
const rowNode = this.currentTable_.childNodes[row - 1];
if (!rowNode) {
return false;
}
const xmlRow = DomUtil.querySelectorAllByAttrValue(xmlTable, 'id', rowNode.id.toString())[0];
if (!xmlRow || xmlRow.hasAttribute('alternative')) {
return false;
}
return !!(rowNode && rowNode.childNodes[column - 1]);
}
isInTable_() {
let snode = this.getFocus().getSemanticPrimary();
while (snode) {
if (TableWalker.ELIGIBLE_TABLE_TYPES.indexOf(snode.type) !== -1) {
this.currentTable_ = snode;
return true;
}
snode = snode.parent;
}
return false;
}
}
exports.TableWalker = TableWalker;
TableWalker.ELIGIBLE_CELL_ROLES = [
semantic_meaning_js_1.SemanticRole.DETERMINANT,
semantic_meaning_js_1.SemanticRole.ROWVECTOR,
semantic_meaning_js_1.SemanticRole.BINOMIAL,
semantic_meaning_js_1.SemanticRole.SQUAREMATRIX,
semantic_meaning_js_1.SemanticRole.MULTILINE,
semantic_meaning_js_1.SemanticRole.MATRIX,
semantic_meaning_js_1.SemanticRole.VECTOR,
semantic_meaning_js_1.SemanticRole.CASES,
semantic_meaning_js_1.SemanticRole.TABLE
];
TableWalker.ELIGIBLE_TABLE_TYPES = [
semantic_meaning_js_1.SemanticType.MULTILINE,
semantic_meaning_js_1.SemanticType.MATRIX,
semantic_meaning_js_1.SemanticType.VECTOR,
semantic_meaning_js_1.SemanticType.CASES,
semantic_meaning_js_1.SemanticType.TABLE
];
//# sourceMappingURL=table_walker.js.map