Quelle index.js Sprache: JAVA

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at <http://mozilla.org/MPL/2.0/>. */

export * from "./source-documents";
export * from "./source-search";
export * from "../ui";
export * from "./tokens";

import { createEditor } from "./create-editor";
import { isWasm, lineToWasmOffset, wasmOffsetToLine } from "../wasm";
import { createLocation } from "../location";
import { features } from "../prefs";

let editor;

export function getEditor(useCm6) {
  if (editor) {
    return editor;
  }

  editor = createEditor({ cm6: useCm6 });
  return editor;
}

export function removeEditor() {
  editor = null;
}

/**
*  Update line wrapping for the codemirror editor.
*/
export function updateEditorLineWrapping(value) {
  if (!editor) {
    return;
  }
  editor.setLineWrapping(value);
}

function getCodeMirror() {
  return editor && editor.hasCodeMirror ? editor.codeMirror : null;
}

export function startOperation() {
  const codeMirror = getCodeMirror();
  if (!codeMirror) {
    return;
  }

  codeMirror.startOperation();
}

export function endOperation() {
  const codeMirror = getCodeMirror();
  if (!codeMirror) {
    return;
  }

  codeMirror.endOperation();
}

export function toWasmSourceLine(sourceId, offset) {
  if (features.codemirrorNext) {
    return editor.wasmOffsetToLine(offset) || 0;
  }
  return wasmOffsetToLine(sourceId, offset) || 0;
}

/**
* Convert source lines / WASM line offsets to Codemirror lines
* @param {Object} source
* @param {Number} lineOrOffset
* @returns
*/
export function toEditorLine(source, lineOrOffset) {
  if (features.codemirrorNext) {
    if (editor.isWasm && !source.isOriginal) {
      // TODO ensure offset is always "mappable" to edit line.
      return toWasmSourceLine(source.id, lineOrOffset) + 1;
    }
    return lineOrOffset;
  }

  // CM5
  if (isWasm(source.id)) {
    return toWasmSourceLine(source.id, lineOrOffset);
  }
  return lineOrOffset ? lineOrOffset - 1 : 1;
}

export function fromEditorLine(source, line) {
  if (features.codemirrorNext) {
    // Also ignore the original source related to the .wasm file.
    if (editor.isWasm && !source.isOriginal) {
      // Content lines is 1-based in CM6 and 0-based in WASM
      return editor.lineToWasmOffset(line - 1);
    }
    return line;
  }
  // CM5
  if (isWasm(source.id)) {
    return lineToWasmOffset(source.id, line);
  }
  return line + 1;
}

export function toEditorPosition(location) {
  // Note that Spidermonkey, Debugger frontend and CodeMirror are all consistent regarding column
  // and are 0-based. But only CodeMirror consider the line to be 0-based while the two others
  // consider lines to be 1-based.
  const isSourceWasm = features.codemirrorNext
    ? editor.isWasm
    : isWasm(location.source.id);
  return {
    line: toEditorLine(location.source, location.line),
    column: isSourceWasm || !location.column ? 0 : location.column,
  };
}

export function toSourceLine(source, line) {
  if (features.codemirrorNext) {
    if (editor.isWasm && !source.isOriginal) {
      return editor.lineToWasmOffset(line - 1);
    }
    return line;
  }
  // CM5
  // CodeMirror 5 cursor location is 0 based and Codemirror 6 position is 1 based.
  // Whereas in DevTools frontend and backend only column is 0-based, the line is 1 based.
  if (isWasm(source.id)) {
    return lineToWasmOffset(source.id, line);
  }
  return line + 1;
}

export function markText({ codeMirror }, className, { start, end }) {
  return codeMirror.markText(
    { ch: start.column, line: start.line },
    { ch: end.column, line: end.line },
    { className }
  );
}

export function lineAtHeight({ codeMirror }, source, event) {
  const _editorLine = codeMirror.lineAtHeight(event.clientY);
  return toSourceLine(source, _editorLine);
}

export function getSourceLocationFromMouseEvent({ codeMirror }, source, e) {
  const { line, ch } = codeMirror.coordsChar({
    left: e.clientX,
    top: e.clientY,
  });
  const isSourceWasm = features.codemirrorNext
    ? editor.isWasm
    : isWasm(source.id);
  return createLocation({
    source,
    line: fromEditorLine(source, line),
    column: isSourceWasm ? 0 : ch + 1,
  });
}

export function forEachLine(codeMirror, iter) {
  codeMirror.operation(() => {
    codeMirror.doc.iter(0, codeMirror.lineCount(), iter);
  });
}

export function removeLineClass(codeMirror, line, className) {
  codeMirror.removeLineClass(line, "wrap", className);
}

export function clearLineClass(codeMirror, className) {
  forEachLine(codeMirror, line => {
    removeLineClass(codeMirror, line, className);
  });
}

export function getTextForLine(codeMirror, line) {
  return codeMirror.getLine(line - 1).trim();
}

export function getCursorLine(codeMirror) {
  return codeMirror.getCursor().line;
}

export function getCursorColumn(codeMirror) {
  return codeMirror.getCursor().ch;
}

quality97%

¤ Dauer der Verarbeitung: 0.16 Sekunden (vorverarbeitet) ¤

Wurzel

Suchen

Beweissystem der NASA

Beweissystem Isabelle

NIST Cobol Testsuite

Cephes Mathematical Library

Wiener Entwicklungsmethode

Haftungshinweis

Die Informationen auf dieser Webseite wurden nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit, noch Qualität der bereit gestellten Informationen zugesichert.

Bemerkung:

Die farbliche Syntaxdarstellung ist noch experimentell.