exceljs
Version:
Excel Workbook Manager - Read and Write xlsx and csv Files.
186 lines (152 loc) • 6.95 kB
JavaScript
"use strict";
function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }
function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
function _createSuper(Derived) { return function () { var Super = _getPrototypeOf(Derived), result; if (_isNativeReflectConstruct()) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }
function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
var XmlStream = require('../../../utils/xml-stream');
var BaseXform = require('../base-xform');
var SharedStringXform = require('./shared-string-xform');
var SharedStringsXform = /*#__PURE__*/function (_BaseXform) {
_inherits(SharedStringsXform, _BaseXform);
var _super = _createSuper(SharedStringsXform);
function SharedStringsXform(model) {
var _this;
_classCallCheck(this, SharedStringsXform);
_this = _super.call(this);
_this.model = model || {
values: [],
count: 0
};
_this.hash = Object.create(null);
_this.rich = Object.create(null);
return _this;
}
_createClass(SharedStringsXform, [{
key: "getString",
value: function getString(index) {
return this.model.values[index];
}
}, {
key: "add",
value: function add(value) {
return value.richText ? this.addRichText(value) : this.addText(value);
}
}, {
key: "addText",
value: function addText(value) {
var index = this.hash[value];
if (index === undefined) {
index = this.hash[value] = this.model.values.length;
this.model.values.push(value);
}
this.model.count++;
return index;
}
}, {
key: "addRichText",
value: function addRichText(value) {
// TODO: add WeakMap here
var xml = this.sharedStringXform.toXml(value);
var index = this.rich[xml];
if (index === undefined) {
index = this.rich[xml] = this.model.values.length;
this.model.values.push(value);
}
this.model.count++;
return index;
} // <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
// <sst xmlns="http://schemas.openxmlformats.org/spreadsheetml/2006/main" count="<%=totalRefs%>" uniqueCount="<%=count%>">
// <si><t><%=text%></t></si>
// <si><r><rPr></rPr><t></t></r></si>
// </sst>
}, {
key: "render",
value: function render(xmlStream, model) {
model = model || this._values;
xmlStream.openXml(XmlStream.StdDocAttributes);
xmlStream.openNode('sst', {
xmlns: 'http://schemas.openxmlformats.org/spreadsheetml/2006/main',
count: model.count,
uniqueCount: model.values.length
});
var sx = this.sharedStringXform;
model.values.forEach(function (sharedString) {
sx.render(xmlStream, sharedString);
});
xmlStream.closeNode();
}
}, {
key: "parseOpen",
value: function parseOpen(node) {
if (this.parser) {
this.parser.parseOpen(node);
return true;
}
switch (node.name) {
case 'sst':
return true;
case 'si':
this.parser = this.sharedStringXform;
this.parser.parseOpen(node);
return true;
default:
throw new Error("Unexpected xml node in parseOpen: ".concat(JSON.stringify(node)));
}
}
}, {
key: "parseText",
value: function parseText(text) {
if (this.parser) {
this.parser.parseText(text);
}
}
}, {
key: "parseClose",
value: function parseClose(name) {
if (this.parser) {
if (!this.parser.parseClose(name)) {
this.model.values.push(this.parser.model);
this.model.count++;
this.parser = undefined;
}
return true;
}
switch (name) {
case 'sst':
return false;
default:
throw new Error("Unexpected xml node in parseClose: ".concat(name));
}
}
}, {
key: "sharedStringXform",
get: function get() {
return this._sharedStringXform || (this._sharedStringXform = new SharedStringXform());
}
}, {
key: "values",
get: function get() {
return this.model.values;
}
}, {
key: "uniqueCount",
get: function get() {
return this.model.values.length;
}
}, {
key: "count",
get: function get() {
return this.model.count;
}
}]);
return SharedStringsXform;
}(BaseXform);
module.exports = SharedStringsXform;
//# sourceMappingURL=shared-strings-xform.js.map