@protobi/exceljs
Version:
Excel Workbook Manager - Temporary fork with pivot table enhancements and bug fixes pending upstream merge
276 lines (271 loc) • 10.9 kB
JavaScript
"use strict";
function _typeof(o) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) { return typeof o; } : function (o) { return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o; }, _typeof(o); }
function _slicedToArray(r, e) { return _arrayWithHoles(r) || _iterableToArrayLimit(r, e) || _unsupportedIterableToArray(r, e) || _nonIterableRest(); }
function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
function _unsupportedIterableToArray(r, a) { if (r) { if ("string" == typeof r) return _arrayLikeToArray(r, a); var t = {}.toString.call(r).slice(8, -1); return "Object" === t && r.constructor && (t = r.constructor.name), "Map" === t || "Set" === t ? Array.from(r) : "Arguments" === t || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(t) ? _arrayLikeToArray(r, a) : void 0; } }
function _arrayLikeToArray(r, a) { (null == a || a > r.length) && (a = r.length); for (var e = 0, n = Array(a); e < a; e++) n[e] = r[e]; return n; }
function _iterableToArrayLimit(r, l) { var t = null == r ? null : "undefined" != typeof Symbol && r[Symbol.iterator] || r["@@iterator"]; if (null != t) { var e, n, i, u, a = [], f = !0, o = !1; try { if (i = (t = t.call(r)).next, 0 === l) { if (Object(t) !== t) return; f = !1; } else for (; !(f = (e = i.call(t)).done) && (a.push(e.value), a.length !== l); f = !0); } catch (r) { o = !0, n = r; } finally { try { if (!f && null != t.return && (u = t.return(), Object(u) !== u)) return; } finally { if (o) throw n; } } return a; } }
function _arrayWithHoles(r) { if (Array.isArray(r)) return r; }
function ownKeys(e, r) { var t = Object.keys(e); if (Object.getOwnPropertySymbols) { var o = Object.getOwnPropertySymbols(e); r && (o = o.filter(function (r) { return Object.getOwnPropertyDescriptor(e, r).enumerable; })), t.push.apply(t, o); } return t; }
function _objectSpread(e) { for (var r = 1; r < arguments.length; r++) { var t = null != arguments[r] ? arguments[r] : {}; r % 2 ? ownKeys(Object(t), !0).forEach(function (r) { _defineProperty(e, r, t[r]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(e, Object.getOwnPropertyDescriptors(t)) : ownKeys(Object(t)).forEach(function (r) { Object.defineProperty(e, r, Object.getOwnPropertyDescriptor(t, r)); }); } return e; }
function _defineProperty(e, r, t) { return (r = _toPropertyKey(r)) in e ? Object.defineProperty(e, r, { value: t, enumerable: !0, configurable: !0, writable: !0 }) : e[r] = t, e; }
function _toPropertyKey(t) { var i = _toPrimitive(t, "string"); return "symbol" == _typeof(i) ? i : i + ""; }
function _toPrimitive(t, r) { if ("object" != _typeof(t) || !t) return t; var e = t[Symbol.toPrimitive]; if (void 0 !== e) { var i = e.call(t, r || "default"); if ("object" != _typeof(i)) return i; throw new TypeError("@@toPrimitive must return a primitive value."); } return ("string" === r ? String : Number)(t); }
var addressRegex = /^[A-Z]+\d+$/;
// =========================================================================
// Column Letter to Number conversion
var colCache = {
_dictionary: ['A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z'],
_l2nFill: 0,
_l2n: {},
_n2l: [],
_level: function _level(n) {
if (n <= 26) {
return 1;
}
if (n <= 26 * 26) {
return 2;
}
return 3;
},
_fill: function _fill(level) {
var c;
var v;
var l1;
var l2;
var l3;
var n = 1;
if (level >= 4) {
throw new Error('Out of bounds. Excel supports columns from 1 to 16384');
}
if (this._l2nFill < 1 && level >= 1) {
while (n <= 26) {
c = this._dictionary[n - 1];
this._n2l[n] = c;
this._l2n[c] = n;
n++;
}
this._l2nFill = 1;
}
if (this._l2nFill < 2 && level >= 2) {
n = 27;
while (n <= 26 + 26 * 26) {
v = n - (26 + 1);
l1 = v % 26;
l2 = Math.floor(v / 26);
c = this._dictionary[l2] + this._dictionary[l1];
this._n2l[n] = c;
this._l2n[c] = n;
n++;
}
this._l2nFill = 2;
}
if (this._l2nFill < 3 && level >= 3) {
n = 26 + 26 * 26 + 1;
while (n <= 16384) {
v = n - (26 * 26 + 26 + 1);
l1 = v % 26;
l2 = Math.floor(v / 26) % 26;
l3 = Math.floor(v / (26 * 26));
c = this._dictionary[l3] + this._dictionary[l2] + this._dictionary[l1];
this._n2l[n] = c;
this._l2n[c] = n;
n++;
}
this._l2nFill = 3;
}
},
l2n: function l2n(l) {
if (!this._l2n[l]) {
this._fill(l.length);
}
if (!this._l2n[l]) {
throw new Error("Out of bounds. Invalid column letter: ".concat(l));
}
return this._l2n[l];
},
n2l: function n2l(n) {
if (n < 1 || n > 16384) {
throw new Error("".concat(n, " is out of bounds. Excel supports columns from 1 to 16384"));
}
if (!this._n2l[n]) {
this._fill(this._level(n));
}
return this._n2l[n];
},
// =========================================================================
// Address processing
_hash: {},
// check if value looks like an address
validateAddress: function validateAddress(value) {
if (!addressRegex.test(value)) {
throw new Error("Invalid Address: ".concat(value));
}
return true;
},
// convert address string into structure
decodeAddress: function decodeAddress(value) {
var addr = value.length < 5 && this._hash[value];
if (addr) {
return addr;
}
var hasCol = false;
var col = '';
var colNumber = 0;
var hasRow = false;
var row = '';
var rowNumber = 0;
for (var i = 0, char; i < value.length; i++) {
char = value.charCodeAt(i);
// col should before row
if (!hasRow && char >= 65 && char <= 90) {
// 65 = 'A'.charCodeAt(0)
// 90 = 'Z'.charCodeAt(0)
hasCol = true;
col += value[i];
// colNumber starts from 1
colNumber = colNumber * 26 + char - 64;
} else if (char >= 48 && char <= 57) {
// 48 = '0'.charCodeAt(0)
// 57 = '9'.charCodeAt(0)
hasRow = true;
row += value[i];
// rowNumber starts from 0
rowNumber = rowNumber * 10 + char - 48;
} else if (hasRow && hasCol && char !== 36) {
// 36 = '$'.charCodeAt(0)
break;
}
}
if (!hasCol) {
colNumber = undefined;
} else if (colNumber > 16384) {
throw new Error("Out of bounds. Invalid column letter: ".concat(col));
}
if (!hasRow) {
rowNumber = undefined;
}
// in case $row$col
value = col + row;
var address = {
address: value,
col: colNumber,
row: rowNumber,
$col$row: "$".concat(col, "$").concat(row)
};
// mem fix - cache only the tl 100x100 square
if (colNumber <= 100 && rowNumber <= 100) {
this._hash[value] = address;
this._hash[address.$col$row] = address;
}
return address;
},
// convert r,c into structure (if only 1 arg, assume r is address string)
getAddress: function getAddress(r, c) {
if (c) {
var address = this.n2l(c) + r;
return this.decodeAddress(address);
}
return this.decodeAddress(r);
},
// convert [address], [tl:br] into address structures
decode: function decode(value) {
var parts = value.split(':');
if (parts.length === 2) {
var tl = this.decodeAddress(parts[0]);
var br = this.decodeAddress(parts[1]);
var result = {
top: Math.min(tl.row, br.row),
left: Math.min(tl.col, br.col),
bottom: Math.max(tl.row, br.row),
right: Math.max(tl.col, br.col)
};
// reconstruct tl, br and dimensions
result.tl = this.n2l(result.left) + result.top;
result.br = this.n2l(result.right) + result.bottom;
result.dimensions = "".concat(result.tl, ":").concat(result.br);
return result;
}
return this.decodeAddress(value);
},
// convert [sheetName!][$]col[$]row[[$]col[$]row] into address or range structures
decodeEx: function decodeEx(value) {
var groups = value.match(/(?:(?:(?:'((?:[^']|'')*)')|([^'^ !]*))!)?(.*)/);
var sheetName = groups[1] || groups[2]; // Qouted and unqouted groups
var reference = groups[3]; // Remaining address
var parts = reference.split(':');
if (parts.length > 1) {
var tl = this.decodeAddress(parts[0]);
var br = this.decodeAddress(parts[1]);
var top = Math.min(tl.row, br.row);
var left = Math.min(tl.col, br.col);
var bottom = Math.max(tl.row, br.row);
var right = Math.max(tl.col, br.col);
tl = this.n2l(left) + top;
br = this.n2l(right) + bottom;
return {
top: top,
left: left,
bottom: bottom,
right: right,
sheetName: sheetName,
tl: {
address: tl,
col: left,
row: top,
$col$row: "$".concat(this.n2l(left), "$").concat(top),
sheetName: sheetName
},
br: {
address: br,
col: right,
row: bottom,
$col$row: "$".concat(this.n2l(right), "$").concat(bottom),
sheetName: sheetName
},
dimensions: "".concat(tl, ":").concat(br)
};
}
if (reference.startsWith('#')) {
return sheetName ? {
sheetName: sheetName,
error: reference
} : {
error: reference
};
}
var address = this.decodeAddress(reference);
return sheetName ? _objectSpread({
sheetName: sheetName
}, address) : address;
},
// convert row,col into address string
encodeAddress: function encodeAddress(row, col) {
return colCache.n2l(col) + row;
},
// convert row,col into string address or t,l,b,r into range
encode: function encode() {
switch (arguments.length) {
case 2:
return colCache.encodeAddress(arguments[0], arguments[1]);
case 4:
return "".concat(colCache.encodeAddress(arguments[0], arguments[1]), ":").concat(colCache.encodeAddress(arguments[2], arguments[3]));
default:
throw new Error('Can only encode with 2 or 4 arguments');
}
},
// return true if address is contained within range
inRange: function inRange(range, address) {
var _range = _slicedToArray(range, 5),
left = _range[0],
top = _range[1],
right = _range[3],
bottom = _range[4];
var _address = _slicedToArray(address, 2),
col = _address[0],
row = _address[1];
return col >= left && col <= right && row >= top && row <= bottom;
}
};
module.exports = colCache;
//# sourceMappingURL=col-cache.js.map