column.js

   1
   2 module.exports = makeColumn;
   3 function makeColumn(font, tengwa, tengwaNote) {
   4     return new Column(font, tengwa, tengwaNote);
   5 };
   6
   7 var Column = function (font, tengwa, tengwaNote) {
   8     this.font = font;
   9     this.above = void 0;
  10     this.tildeAbove = void 0;
  11     this.tengwa = tengwa;
  12     this.tildeBelow = void 0;
  13     this.below = void 0;
  14     this.following = void 0;
  15     this.error = void 0;
  16
  17     this.aboveNote = void 0;
  18     this.tildeAboveNote = void 0;
  19     this.tengwaNote = tengwaNote;
  20     this.tildeBelowNote = void 0;
  21     this.belowNote = void 0;
  22     this.followingNote = void 0;
  23
  24     this.hasVariant = false;
  25 };
  26
  27 Column.prototype.canAddAbove = function (tehta, reversed) {
  28     return (
  29         !this.above && !!this.font.tehtaForTengwa(this.tengwa, tehta)
  30     ) || ( // flip it
  31         !reversed && !this.below && this.reversed().canAddAbove(tehta, true)
  32     );
  33 };
  34
  35 Column.prototype.addAbove = function (above, aboveNote) {
  36     if (!this.font.tehtaForTengwa(this.tengwa, above)) {
  37         this.reverse();
  38     }
  39     this.above = above;
  40     this.aboveNote = aboveNote;
  41     return this;
  42 };
  43
  44 Column.prototype.canAddBelow = function (tehta, reversed) {
  45     return (
  46         !this.below && !!this.font.tehtaForTengwa(this.tengwa, tehta)
  47     ) || ( // flip it
  48         !reversed && !this.above && this.reversed().canAddBelow(tehta, true)
  49     );
  50 };
  51
  52 Column.prototype.addBelow = function (below, belowNote) {
  53     if (!this.font.tehtaForTengwa(this.tengwa, below)) {
  54         this.reverse();
  55     }
  56     this.below = below;
  57     this.belowNote = belowNote;
  58     return this;
  59 };
  60
  61 Column.prototype.addTildeAbove = function (tildeAboveNote) {
  62     this.tildeAbove = true;
  63     this.tildeAboveNote = tildeAboveNote;
  64     return this;
  65 };
  66
  67 Column.prototype.addTildeBelow = function (tildeBelowNote) {
  68     this.tildeBelow = true;
  69     this.tildeBelowNote = tildeBelowNote;
  70     return this;
  71 };
  72
  73 Column.prototype.canAddFollowing = function (following) {
  74     return !this.following && !!this.font.tehtaForTengwa(this.tengwa, following);
  75 };
  76
  77 Column.prototype.addFollowing = function (following, followingNote) {
  78     this.following = following;
  79     this.followingNote = followingNote;
  80     return this;
  81 };
  82
  83 Column.prototype.reversed = function () {
  84     return this.clone().reverse();
  85 };
  86
  87 Column.prototype.clone = function () {
  88     var column = new Column(this.font, this.tengwa);
  89     if (this.above) column.addAbove(this.above, this.aboveNote);
  90     if (this.below) column.addBelow(this.below, this.belowNote);
  91     if (this.following) column.addFollowing(this.following, this.followingNote);
  92     if (this.tildeBelow) column.addTildeBelow(this.tildeBelowNote);
  93     if (this.tildeAbove) column.addTildeAbove(this.tildeAboveNote);
  94     return column;
  95 };
  96
  97 var reversed = {
  98     "silme": "silme-nuquerna",
  99     "esse": "esse-nuquerna",
 100     "silme-nuquerna": "silme",
 101     "esse-nuquerna": "esse"
 102 };
 103
 104 Column.prototype.reverse = function () {
 105     this.tengwa = reversed[this.tengwa] || this.tengwa;
 106     return this;
 107 };
 108
 109 Column.prototype.addError = function (error) {
 110     this.errors = this.errors || [];
 111     this.errors.push(error);
 112     return this;
 113 };
 114
 115 Column.prototype.varies = function () {
 116     this.hasVariant = true;
 117     return this;
 118 };
 119