zyAdmin/node_modules/exceljs/dist/es5/doc/range.js

"use strict";

const colCache = require('../utils/col-cache');

// used by worksheet to calculate sheet dimensions
class Range {
  constructor() {
    this.decode(arguments);
  }
  setTLBR(t, l, b, r, s) {
    if (arguments.length < 4) {
      // setTLBR(tl, br, s)
      const tl = colCache.decodeAddress(t);
      const br = colCache.decodeAddress(l);
      this.model = {
        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),
        sheetName: b
      };
      this.setTLBR(tl.row, tl.col, br.row, br.col, s);
    } else {
      // setTLBR(t, l, b, r, s)
      this.model = {
        top: Math.min(t, b),
        left: Math.min(l, r),
        bottom: Math.max(t, b),
        right: Math.max(l, r),
        sheetName: s
      };
    }
  }
  decode(argv) {
    switch (argv.length) {
      case 5:
        // [t,l,b,r,s]
        this.setTLBR(argv[0], argv[1], argv[2], argv[3], argv[4]);
        break;
      case 4:
        // [t,l,b,r]
        this.setTLBR(argv[0], argv[1], argv[2], argv[3]);
        break;
      case 3:
        // [tl,br,s]
        this.setTLBR(argv[0], argv[1], argv[2]);
        break;
      case 2:
        // [tl,br]
        this.setTLBR(argv[0], argv[1]);
        break;
      case 1:
        {
          const value = argv[0];
          if (value instanceof Range) {
            // copy constructor
            this.model = {
              top: value.model.top,
              left: value.model.left,
              bottom: value.model.bottom,
              right: value.model.right,
              sheetName: value.sheetName
            };
          } else if (value instanceof Array) {
            // an arguments array
            this.decode(value);
          } else if (value.top && value.left && value.bottom && value.right) {
            // a model
            this.model = {
              top: value.top,
              left: value.left,
              bottom: value.bottom,
              right: value.right,
              sheetName: value.sheetName
            };
          } else {
            // [sheetName!]tl:br
            const tlbr = colCache.decodeEx(value);
            if (tlbr.top) {
              this.model = {
                top: tlbr.top,
                left: tlbr.left,
                bottom: tlbr.bottom,
                right: tlbr.right,
                sheetName: tlbr.sheetName
              };
            } else {
              this.model = {
                top: tlbr.row,
                left: tlbr.col,
                bottom: tlbr.row,
                right: tlbr.col,
                sheetName: tlbr.sheetName
              };
            }
          }
          break;
        }
      case 0:
        this.model = {
          top: 0,
          left: 0,
          bottom: 0,
          right: 0
        };
        break;
      default:
        throw new Error(`Invalid number of arguments to _getDimensions() - ${argv.length}`);
    }
  }
  get top() {
    return this.model.top || 1;
  }
  set top(value) {
    this.model.top = value;
  }
  get left() {
    return this.model.left || 1;
  }
  set left(value) {
    this.model.left = value;
  }
  get bottom() {
    return this.model.bottom || 1;
  }
  set bottom(value) {
    this.model.bottom = value;
  }
  get right() {
    return this.model.right || 1;
  }
  set right(value) {
    this.model.right = value;
  }
  get sheetName() {
    return this.model.sheetName;
  }
  set sheetName(value) {
    this.model.sheetName = value;
  }
  get _serialisedSheetName() {
    const {
      sheetName
    } = this.model;
    if (sheetName) {
      if (/^[a-zA-Z0-9]*$/.test(sheetName)) {
        return `${sheetName}!`;
      }
      return `'${sheetName}'!`;
    }
    return '';
  }
  expand(top, left, bottom, right) {
    if (!this.model.top || top < this.top) this.top = top;
    if (!this.model.left || left < this.left) this.left = left;
    if (!this.model.bottom || bottom > this.bottom) this.bottom = bottom;
    if (!this.model.right || right > this.right) this.right = right;
  }
  expandRow(row) {
    if (row) {
      const {
        dimensions,
        number
      } = row;
      if (dimensions) {
        this.expand(number, dimensions.min, number, dimensions.max);
      }
    }
  }
  expandToAddress(addressStr) {
    const address = colCache.decodeEx(addressStr);
    this.expand(address.row, address.col, address.row, address.col);
  }
  get tl() {
    return colCache.n2l(this.left) + this.top;
  }
  get $t$l() {
    return `$${colCache.n2l(this.left)}$${this.top}`;
  }
  get br() {
    return colCache.n2l(this.right) + this.bottom;
  }
  get $b$r() {
    return `$${colCache.n2l(this.right)}$${this.bottom}`;
  }
  get range() {
    return `${this._serialisedSheetName + this.tl}:${this.br}`;
  }
  get $range() {
    return `${this._serialisedSheetName + this.$t$l}:${this.$b$r}`;
  }
  get shortRange() {
    return this.count > 1 ? this.range : this._serialisedSheetName + this.tl;
  }
  get $shortRange() {
    return this.count > 1 ? this.$range : this._serialisedSheetName + this.$t$l;
  }
  get count() {
    return (1 + this.bottom - this.top) * (1 + this.right - this.left);
  }
  toString() {
    return this.range;
  }
  intersects(other) {
    if (other.sheetName && this.sheetName && other.sheetName !== this.sheetName) return false;
    if (other.bottom < this.top) return false;
    if (other.top > this.bottom) return false;
    if (other.right < this.left) return false;
    if (other.left > this.right) return false;
    return true;
  }
  contains(addressStr) {
    const address = colCache.decodeEx(addressStr);
    return this.containsEx(address);
  }
  containsEx(address) {
    if (address.sheetName && this.sheetName && address.sheetName !== this.sheetName) return false;
    return address.row >= this.top && address.row <= this.bottom && address.col >= this.left && address.col <= this.right;
  }
  forEachAddress(cb) {
    for (let col = this.left; col <= this.right; col++) {
      for (let row = this.top; row <= this.bottom; row++) {
        cb(colCache.encodeAddress(row, col), row, col);
      }
    }
  }
}
module.exports = Range;
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