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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 | 4x 4x 99x 99x 170x 170x 170x 170x 170x 146x 146x 146x 146x 146x 146x 24x 24x 24x 24x 24x 24x 35x 35x 35x 35x 35x 35x 35x 46x 46x 46x 11x 24x 24x 24x 24x | import {registry as defaultRegistry} from '../registry/registry';
import type {Range} from '../rga/Range';
import type {ViewRange} from '../editor/types';
import type {SliceRegistry} from '../registry/SliceRegistry';
import type {Peritext} from '../Peritext';
import type {PeritextMlElement, PeritextMlNode} from '../block/types';
import type {JsonMlNode} from 'very-small-parser/lib/html/json-ml/types';
import type {THtmlToken} from 'very-small-parser/lib/html/types';
import type {IRoot} from 'very-small-parser/lib/markdown/block/types';
import type {Fragment} from '../block/Fragment';
export type PeritextDataTransferHtmlExportTools = typeof import('./export-html');
export type PeritextDataTransferHtmlImportTools = typeof import('./import-html');
export type PeritextDataTransferMarkdownExportTools = typeof import('./export-markdown');
export type PeritextDataTransferMarkdownImportTools = typeof import('./import-markdown');
export interface PeritextDataTransferOpts {
registry?: SliceRegistry;
htmlExport?: PeritextDataTransferHtmlExportTools;
htmlImport?: PeritextDataTransferHtmlImportTools;
mdExport?: PeritextDataTransferMarkdownExportTools;
mdImport?: PeritextDataTransferMarkdownImportTools;
}
export interface ClipboardExport {
'text/plain': string;
'text/html': string;
}
export interface ClipboardImport {
text?: string;
html?: string;
}
/**
* This class provides methods for transferring data between Peritext and other
* formats, such as JSON, HTML, Markdown, etc. A Peritext {@link Fragment} can
* be converted to a JSON object, which can be converted to HTML, Markdown, etc.
* The reverse is also possible.
*/
export class PeritextDataTransfer<T = string> {
constructor(
public readonly txt: Peritext<T>,
public readonly opts: PeritextDataTransferOpts = {},
) {}
// ------------------------------------------------------------------ exports
public toView(range: Range<T>): ViewRange {
return this.txt.editor.export(range);
}
public toFragment(range: Range<T>): Fragment<T> {
const fragment = this.txt.fragment(range);
fragment.refresh();
return fragment;
}
public toJson(range: Range<T>): PeritextMlElement {
const fragment = this.toFragment(range);
return fragment.toJson();
}
protected htmlE(): PeritextDataTransferHtmlExportTools {
const tools = this.opts.htmlExport;
Iif (!tools) throw new Error('NO_HTML_EXPORT_TOOLS');
return tools;
}
public toJsonMl(range: Range<T>): JsonMlNode {
const tools = this.htmlE();
const json = this.toJson(range);
return tools.toJsonMl(json);
}
public toHast(range: Range<T>): THtmlToken {
const tools = this.htmlE();
const json = this.toJson(range);
return tools.toHast(json);
}
public toHtml(range: Range<T>, tab?: string, indent?: string): string {
const tools = this.htmlE();
const json = this.toJson(range);
return tools.toHtml(json, tab, indent);
}
protected mdE(): PeritextDataTransferMarkdownExportTools {
const tools = this.opts.mdExport;
Iif (!tools) throw new Error('NO_MD_EXPORT_TOOLS');
return tools;
}
public toMdast(range: Range<T>): IRoot {
const tools = this.mdE();
const json = this.toJson(range);
return tools.toMdast(json);
}
public toMarkdown(range: Range<T>): string {
const tools = this.mdE();
const json = this.toJson(range);
return tools.toMarkdown(json);
}
public toClipboard(range: Range<T>): ClipboardExport {
const view = this.txt.editor.export(range);
const node = this.toJson(range);
const html = this.htmlE().exportHtml(view, node);
return {
'text/plain': range.text(),
'text/html': html,
};
}
public toFormat(range: Range<T>): Pick<ClipboardExport, 'text/html'> {
const json = this.txt.editor.exportStyle(range);
const html = this.htmlE().exportStyle(json);
return {'text/html': html};
}
// ------------------------------------------------------------------ imports
public fromView(pos: number, view: ViewRange): number {
return this.txt.editor.import(pos, view);
}
public fromJson(pos: number, json: PeritextMlElement | PeritextMlNode): number {
const tools = this.htmlI();
const view = tools.toViewRange(json);
return this.fromView(pos, view);
}
private _imp<D>(pos: number, data: D, transform: (data: D, registry: SliceRegistry) => PeritextMlNode): number {
const registry = this.opts.registry ?? defaultRegistry;
const json = transform(data, registry);
return this.fromJson(pos, json);
}
protected htmlI(): PeritextDataTransferHtmlImportTools {
const tools = this.opts.htmlImport;
Iif (!tools) throw new Error('NO_HTML_IMPORT_TOOLS');
return tools;
}
public fromJsonMl(pos: number, jsonml: JsonMlNode): number {
return this._imp(pos, jsonml, this.htmlI().fromJsonMl);
}
public fromHast(pos: number, hast: THtmlToken): number {
return this._imp(pos, hast, this.htmlI().fromHast);
}
public fromHtml(pos: number, html: string): number {
return this._imp(pos, html, this.htmlI().fromHtml);
}
protected mdI(): PeritextDataTransferMarkdownImportTools {
const tools = this.opts.mdImport;
Iif (!tools) throw new Error('NO_MD_IMPORT_TOOLS');
return tools;
}
public fromMdast(pos: number, mdast: IRoot): number {
return this._imp(pos, mdast, this.mdI().fromMdast);
}
public fromMarkdown(pos: number, markdown: string): number {
return this._imp(pos, markdown, this.mdI().fromMarkdown);
}
public textFromHtml(html: string): string {
return this.htmlI().textFromHtml(html);
}
/**
* Inserts data from the clipboard at a given position. Returns the number
* of characters inserted, this can be used by the caller to move the cursor
* to the end of the inserted data.
*
* @param pos View position to insert the data at.
* @param data Clipboard data to attempt to insert.
* @returns The number of characters inserted.
*/
public fromClipboard(range: Range<T>, data: ClipboardImport): number {
const txt = this.txt;
const html = data.html;
const collapseRange = (): number => {
Iif (!range.isCollapsed()) txt.editor.delRange(range);
range.collapseToStart();
return range.start.viewPos();
};
Iif (html) {
const [view, style] = this.htmlI().importHtml(html);
if (style) {
txt.editor.importStyle(range, style);
return 0;
} else Iif (view) {
const pos = collapseRange();
return this.fromView(pos, view);
}
}
const text = data.text;
Iif (!text) return 0;
const pos = collapseRange();
this.txt.insAt(pos, text);
return text.length;
}
public fromStyle(range: Range<T>, html: string): void {
const style = this.htmlI().importStyle(html);
Iif (!style) return;
this.txt.editor.importStyle(range, style);
}
}
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