| 44 | } |
| 45 | |
| 46 | private _parse(str: string, p: number, _chunks: string[], skipEmptyEntries: boolean): void { |
| 47 | if (!str) { |
| 48 | return; |
| 49 | } |
| 50 | |
| 51 | let state: LyricsState = LyricsState.Begin; |
| 52 | let next: LyricsState = LyricsState.Begin; |
| 53 | let skipSpace: boolean = false; |
| 54 | let start: number = 0; |
| 55 | |
| 56 | while (p < str.length) { |
| 57 | const c: number = str.charCodeAt(p); |
| 58 | switch (state) { |
| 59 | case LyricsState.IgnoreSpaces: |
| 60 | switch (c) { |
| 61 | case Lyrics._charCodeLF: |
| 62 | case Lyrics._charCodeCR: |
| 63 | case Lyrics._charCodeTab: |
| 64 | break; |
| 65 | case Lyrics._charCodeSpace: |
| 66 | if (!skipSpace) { |
| 67 | state = next; |
| 68 | continue; |
| 69 | } |
| 70 | break; |
| 71 | default: |
| 72 | skipSpace = false; |
| 73 | state = next; |
| 74 | continue; |
| 75 | } |
| 76 | break; |
| 77 | case LyricsState.Begin: |
| 78 | switch (c) { |
| 79 | case Lyrics._charCodeBrackedOpen: |
| 80 | state = LyricsState.Comment; |
| 81 | break; |
| 82 | default: |
| 83 | start = p; |
| 84 | state = LyricsState.Text; |
| 85 | continue; |
| 86 | } |
| 87 | break; |
| 88 | case LyricsState.Comment: |
| 89 | switch (c) { |
| 90 | case Lyrics._charCodeBrackedClose: |
| 91 | state = LyricsState.Begin; |
| 92 | break; |
| 93 | } |
| 94 | break; |
| 95 | case LyricsState.Text: |
| 96 | switch (c) { |
| 97 | case Lyrics._charCodeDash: |
| 98 | state = LyricsState.Dash; |
| 99 | break; |
| 100 | case Lyrics._charCodeCR: |
| 101 | case Lyrics._charCodeLF: |
| 102 | case Lyrics._charCodeSpace: |
| 103 | const txt: string = str.substr(start, p - start); |