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/* 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
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 toEditorLine(sourceId, lineOrOffset) {
if (isWasm(sourceId)) {
// TODO ensure offset is always "mappable" to edit line.
return wasmOffsetToLine(sourceId, lineOrOffset) || 0;
}
if (features.codemirrorNext) {
return lineOrOffset;
}
return lineOrOffset ? lineOrOffset - 1 : 1;
}
export function fromEditorLine(sourceId, line, sourceIsWasm) {
if (sourceIsWasm) {
return lineToWasmOffset(sourceId, line) || 0;
}
if (features.codemirrorNext) {
return 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.
return {
line: toEditorLine(location.source.id, location.line),
column:
isWasm(location.source.id) || (!location.column ? 0 : location.column),
};
}
export function toSourceLine(sourceId, line) {
if (isWasm(sourceId)) {
return lineToWasmOffset(sourceId, line);
}
// 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 (features.codemirrorNext) {
return 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 }, sourceId, event) {
const _editorLine = codeMirror.lineAtHeight(event.clientY);
return toSourceLine(sourceId, _editorLine);
}
export function getSourceLocationFromMouseEvent({ codeMirror }, source, e) {
const { line, ch } = codeMirror.coordsChar({
left: e.clientX,
top: e.clientY,
});
return createLocation({
source,
line: fromEditorLine(source.id, line, isWasm(source.id)),
column: isWasm(source.id) ? 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;
}