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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
import buildQuery from "../build-query";
import { markerTypes } from "../../constants";
/**
* @memberof utils/source-search
* @static
*/
function SearchState() {
this.posFrom = this.posTo = this.query = null;
this.overlay = null;
this.results = [];
}
/**
* @memberof utils/source-search
* @static
*/
function getSearchState(cm) {
const state = cm.state.search || (cm.state.search = new SearchState());
return state;
}
function isWhitespace(query) {
return !query.match(/\S/);
}
export function getMatchIndex(count, currentIndex, rev) {
if (!rev) {
if (currentIndex == count - 1) {
return 0;
}
return currentIndex + 1;
}
if (currentIndex == 0) {
return count - 1;
}
return currentIndex - 1;
}
/**
* If there's a saved search, selects the next results.
* Otherwise, creates a new search and selects the first
* result.
*
* @memberof utils/source-search
* @static
*/
function doSearch(
ctx,
rev,
query,
keepSelection,
modifiers,
{ shouldScroll = true }
) {
const { editor } = ctx;
if (!query || isWhitespace(query)) {
editor.clearSearchMatches();
return null;
}
const regexQuery = buildQuery(query, modifiers, {
ignoreSpaces: true,
// regex must be global for the overlay
isGlobal: true,
});
if (editor.searchState.query?.toString() !== regexQuery.toString()) {
editor.highlightSearchMatches(regexQuery, "cm-highlight");
}
const cursor = editor.getNextSearchCursor(rev);
if (!cursor) {
return null;
}
editor.setPositionContentMarker({
id: markerTypes.ACTIVE_SELECTION_MARKER,
positionClassName: "cm-matchhighlight",
positions: [{ from: cursor.from, to: cursor.to }],
});
if (shouldScroll) {
editor.scrollToPosition(cursor.from);
}
return editor.getPositionFromSearchCursor(cursor);
}
export function searchSourceForHighlight(
ctx,
rev,
query,
keepSelection,
modifiers
) {
const { editor } = ctx;
if (!query || isWhitespace(query)) {
editor.clearSearchMatches();
return;
}
const regexQuery = buildQuery(query, modifiers, {
ignoreSpaces: true,
// regex must be global for the overlay
isGlobal: true,
});
if (editor.searchState.query?.toString() !== regexQuery.toString()) {
editor.highlightSearchMatches(regexQuery, "cm-highlight");
}
}
/**
* Remove overlay.
*
* @memberof utils/source-search
* @static
*/
export function removeOverlay(ctx) {
const state = getSearchState(ctx.cm);
ctx.cm.removeOverlay(state.overlay);
const { line, ch } = ctx.cm.getCursor();
ctx.cm.doc.setSelection({ line, ch }, { line, ch }, { scroll: false });
}
/**
* Clears the currently saved search.
*
* @memberof utils/source-search
* @static
*/
export function clearSearch(ctx) {
const { editor } = ctx;
editor.clearSearchMatches();
editor.removePositionContentMarker("active-selection-marker");
}
/**
* Starts a new search.
*
* @memberof utils/source-search
* @static
*/
export function find(ctx, query, keepSelection, modifiers, options) {
clearSearch(ctx);
return doSearch(ctx, false, query, keepSelection, modifiers, options);
}
/**
* Finds the next item based on the currently saved search.
*
* @memberof utils/source-search
* @static
*/
export function findNext(ctx, query, keepSelection, modifiers) {
return doSearch(ctx, false, query, keepSelection, modifiers, {});
}
/**
* Finds the previous item based on the currently saved search.
*
* @memberof utils/source-search
* @static
*/
export function findPrev(ctx, query, keepSelection, modifiers) {
return doSearch(ctx, true, query, keepSelection, modifiers, {});
}
export { buildQuery };