Set data from CharData
(value: CharData)
| 55 | } |
| 56 | /** Set data from CharData */ |
| 57 | public setFromCharData(value: CharData): void { |
| 58 | this.fg = value[CHAR_DATA_ATTR_INDEX]; |
| 59 | this.bg = 0; |
| 60 | let combined = false; |
| 61 | // surrogates and combined strings need special treatment |
| 62 | if (value[CHAR_DATA_CHAR_INDEX].length > 2) { |
| 63 | combined = true; |
| 64 | } |
| 65 | else if (value[CHAR_DATA_CHAR_INDEX].length === 2) { |
| 66 | const code = value[CHAR_DATA_CHAR_INDEX].charCodeAt(0); |
| 67 | // if the 2-char string is a surrogate create single codepoint |
| 68 | // everything else is combined |
| 69 | if (0xD800 <= code && code <= 0xDBFF) { |
| 70 | const second = value[CHAR_DATA_CHAR_INDEX].charCodeAt(1); |
| 71 | if (0xDC00 <= second && second <= 0xDFFF) { |
| 72 | this.content = ((code - 0xD800) * 0x400 + second - 0xDC00 + 0x10000) | (value[CHAR_DATA_WIDTH_INDEX] << Content.WIDTH_SHIFT); |
| 73 | } |
| 74 | else { |
| 75 | combined = true; |
| 76 | } |
| 77 | } |
| 78 | else { |
| 79 | combined = true; |
| 80 | } |
| 81 | } |
| 82 | else { |
| 83 | this.content = value[CHAR_DATA_CHAR_INDEX].charCodeAt(0) | (value[CHAR_DATA_WIDTH_INDEX] << Content.WIDTH_SHIFT); |
| 84 | } |
| 85 | if (combined) { |
| 86 | this.combinedData = value[CHAR_DATA_CHAR_INDEX]; |
| 87 | this.content = Content.IS_COMBINED_MASK | (value[CHAR_DATA_WIDTH_INDEX] << Content.WIDTH_SHIFT); |
| 88 | } |
| 89 | } |
| 90 | /** Get data as CharData. */ |
| 91 | public getAsCharData(): CharData { |
| 92 | return [this.fg, this.getChars(), this.getWidth(), this.getCode()]; |