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296 lines
12 KiB
JavaScript
296 lines
12 KiB
JavaScript
// CodeMirror, copyright (c) by Marijn Haverbeke and others
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// Distributed under an MIT license: https://codemirror.net/5/LICENSE
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// Define search commands. Depends on dialog.js or another
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// implementation of the openDialog method.
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// Replace works a little oddly -- it will do the replace on the next
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// Ctrl-G (or whatever is bound to findNext) press. You prevent a
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// replace by making sure the match is no longer selected when hitting
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// Ctrl-G.
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(function(mod) {
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if (typeof exports == "object" && typeof module == "object") // CommonJS
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mod(require("../../lib/codemirror"), require("./searchcursor"), require("../dialog/dialog"));
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else if (typeof define == "function" && define.amd) // AMD
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define(["../../lib/codemirror", "./searchcursor", "../dialog/dialog"], mod);
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else // Plain browser env
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mod(CodeMirror);
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})(function(CodeMirror) {
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"use strict";
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// default search panel location
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CodeMirror.defineOption("search", {bottom: false});
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function searchOverlay(query, caseInsensitive) {
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if (typeof query == "string")
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query = new RegExp(query.replace(/[\-\[\]\/\{\}\(\)\*\+\?\.\\\^\$\|]/g, "\\$&"), caseInsensitive ? "gi" : "g");
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else if (!query.global)
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query = new RegExp(query.source, query.ignoreCase ? "gi" : "g");
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return {token: function(stream) {
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query.lastIndex = stream.pos;
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var match = query.exec(stream.string);
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if (match && match.index == stream.pos) {
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stream.pos += match[0].length || 1;
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return "searching";
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} else if (match) {
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stream.pos = match.index;
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} else {
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stream.skipToEnd();
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}
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}};
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}
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function SearchState() {
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this.posFrom = this.posTo = this.lastQuery = this.query = null;
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this.overlay = null;
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}
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function getSearchState(cm) {
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return cm.state.search || (cm.state.search = new SearchState());
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}
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function queryCaseInsensitive(query) {
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return typeof query == "string" && query == query.toLowerCase();
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}
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function getSearchCursor(cm, query, pos) {
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// Heuristic: if the query string is all lowercase, do a case insensitive search.
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return cm.getSearchCursor(query, pos, {caseFold: queryCaseInsensitive(query), multiline: true});
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}
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function persistentDialog(cm, text, deflt, onEnter, onKeyDown) {
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cm.openDialog(text, onEnter, {
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value: deflt,
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selectValueOnOpen: true,
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closeOnEnter: false,
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onClose: function() { clearSearch(cm); },
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onKeyDown: onKeyDown,
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bottom: cm.options.search.bottom
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});
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}
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function dialog(cm, text, shortText, deflt, f) {
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if (cm.openDialog) cm.openDialog(text, f, {value: deflt, selectValueOnOpen: true, bottom: cm.options.search.bottom});
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else f(prompt(shortText, deflt));
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}
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function confirmDialog(cm, text, shortText, fs) {
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if (cm.openConfirm) cm.openConfirm(text, fs);
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else if (confirm(shortText)) fs[0]();
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}
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function parseString(string) {
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return string.replace(/\\([nrt\\])/g, function(match, ch) {
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if (ch == "n") return "\n"
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if (ch == "r") return "\r"
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if (ch == "t") return "\t"
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if (ch == "\\") return "\\"
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return match
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})
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}
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function parseQuery(query) {
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var isRE = query.match(/^\/(.*)\/([a-z]*)$/);
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if (isRE) {
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try { query = new RegExp(isRE[1], isRE[2].indexOf("i") == -1 ? "" : "i"); }
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catch(e) {} // Not a regular expression after all, do a string search
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} else {
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query = parseString(query)
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}
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if (typeof query == "string" ? query == "" : query.test(""))
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query = /x^/;
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return query;
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}
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function startSearch(cm, state, query) {
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state.queryText = query;
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state.query = parseQuery(query);
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cm.removeOverlay(state.overlay, queryCaseInsensitive(state.query));
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state.overlay = searchOverlay(state.query, queryCaseInsensitive(state.query));
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cm.addOverlay(state.overlay);
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if (cm.showMatchesOnScrollbar) {
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if (state.annotate) { state.annotate.clear(); state.annotate = null; }
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state.annotate = cm.showMatchesOnScrollbar(state.query, queryCaseInsensitive(state.query));
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}
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}
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function doSearch(cm, rev, persistent, immediate) {
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var state = getSearchState(cm);
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if (state.query) return findNext(cm, rev);
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var q = cm.getSelection() || state.lastQuery;
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if (q instanceof RegExp && q.source == "x^") q = null
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if (persistent && cm.openDialog) {
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var hiding = null
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var searchNext = function(query, event) {
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CodeMirror.e_stop(event);
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if (!query) return;
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if (query != state.queryText) {
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startSearch(cm, state, query);
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state.posFrom = state.posTo = cm.getCursor();
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}
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if (hiding) hiding.style.opacity = 1
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findNext(cm, event.shiftKey, function(_, to) {
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var dialog
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if (to.line < 3 && document.querySelector &&
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(dialog = cm.display.wrapper.querySelector(".CodeMirror-dialog")) &&
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dialog.getBoundingClientRect().bottom - 4 > cm.cursorCoords(to, "window").top)
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(hiding = dialog).style.opacity = .4
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})
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};
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persistentDialog(cm, getQueryDialog(cm), q, searchNext, function(event, query) {
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var keyName = CodeMirror.keyName(event)
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var extra = cm.getOption('extraKeys'), cmd = (extra && extra[keyName]) || CodeMirror.keyMap[cm.getOption("keyMap")][keyName]
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if (cmd == "findNext" || cmd == "findPrev" ||
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cmd == "findPersistentNext" || cmd == "findPersistentPrev") {
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CodeMirror.e_stop(event);
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startSearch(cm, getSearchState(cm), query);
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cm.execCommand(cmd);
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} else if (cmd == "find" || cmd == "findPersistent") {
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CodeMirror.e_stop(event);
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searchNext(query, event);
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}
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});
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if (immediate && q) {
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startSearch(cm, state, q);
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findNext(cm, rev);
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}
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} else {
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dialog(cm, getQueryDialog(cm), "Search for:", q, function(query) {
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if (query && !state.query) cm.operation(function() {
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startSearch(cm, state, query);
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state.posFrom = state.posTo = cm.getCursor();
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findNext(cm, rev);
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});
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});
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}
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}
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function findNext(cm, rev, callback) {cm.operation(function() {
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var state = getSearchState(cm);
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var cursor = getSearchCursor(cm, state.query, rev ? state.posFrom : state.posTo);
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if (!cursor.find(rev)) {
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cursor = getSearchCursor(cm, state.query, rev ? CodeMirror.Pos(cm.lastLine()) : CodeMirror.Pos(cm.firstLine(), 0));
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if (!cursor.find(rev)) return;
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}
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cm.setSelection(cursor.from(), cursor.to());
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cm.scrollIntoView({from: cursor.from(), to: cursor.to()}, 20);
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state.posFrom = cursor.from(); state.posTo = cursor.to();
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if (callback) callback(cursor.from(), cursor.to())
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});}
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function clearSearch(cm) {cm.operation(function() {
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var state = getSearchState(cm);
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state.lastQuery = state.query;
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if (!state.query) return;
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state.query = state.queryText = null;
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cm.removeOverlay(state.overlay);
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if (state.annotate) { state.annotate.clear(); state.annotate = null; }
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});}
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function el(tag, attrs) {
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var element = tag ? document.createElement(tag) : document.createDocumentFragment();
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for (var key in attrs) {
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element[key] = attrs[key];
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}
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for (var i = 2; i < arguments.length; i++) {
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var child = arguments[i]
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element.appendChild(typeof child == "string" ? document.createTextNode(child) : child);
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}
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return element;
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}
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function getQueryDialog(cm) {
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var label = el("label", {className: "CodeMirror-search-label"},
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cm.phrase("Search:"),
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el("input", {type: "text", "style": "width: 10em", className: "CodeMirror-search-field",
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id: "CodeMirror-search-field"}));
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label.setAttribute("for","CodeMirror-search-field");
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return el("", null, label, " ",
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el("span", {style: "color: #666", className: "CodeMirror-search-hint"},
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cm.phrase("(Use /re/ syntax for regexp search)")));
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}
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function getReplaceQueryDialog(cm) {
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return el("", null, " ",
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el("input", {type: "text", "style": "width: 10em", className: "CodeMirror-search-field"}), " ",
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el("span", {style: "color: #666", className: "CodeMirror-search-hint"},
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cm.phrase("(Use /re/ syntax for regexp search)")));
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}
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function getReplacementQueryDialog(cm) {
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return el("", null,
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el("span", {className: "CodeMirror-search-label"}, cm.phrase("With:")), " ",
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el("input", {type: "text", "style": "width: 10em", className: "CodeMirror-search-field"}));
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}
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function getDoReplaceConfirm(cm) {
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return el("", null,
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el("span", {className: "CodeMirror-search-label"}, cm.phrase("Replace?")), " ",
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el("button", {}, cm.phrase("Yes")), " ",
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el("button", {}, cm.phrase("No")), " ",
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el("button", {}, cm.phrase("All")), " ",
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el("button", {}, cm.phrase("Stop")));
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}
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function replaceAll(cm, query, text) {
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cm.operation(function() {
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for (var cursor = getSearchCursor(cm, query); cursor.findNext();) {
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if (typeof query != "string") {
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var match = cm.getRange(cursor.from(), cursor.to()).match(query);
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cursor.replace(text.replace(/\$(\d)/g, function(_, i) {return match[i];}));
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} else cursor.replace(text);
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}
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});
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}
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function replace(cm, all) {
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if (cm.getOption("readOnly")) return;
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var query = cm.getSelection() || getSearchState(cm).lastQuery;
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var dialogText = all ? cm.phrase("Replace all:") : cm.phrase("Replace:")
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var fragment = el("", null,
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el("span", {className: "CodeMirror-search-label"}, dialogText),
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getReplaceQueryDialog(cm))
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dialog(cm, fragment, dialogText, query, function(query) {
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if (!query) return;
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query = parseQuery(query);
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dialog(cm, getReplacementQueryDialog(cm), cm.phrase("Replace with:"), "", function(text) {
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text = parseString(text)
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if (all) {
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replaceAll(cm, query, text)
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} else {
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clearSearch(cm);
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var cursor = getSearchCursor(cm, query, cm.getCursor("from"));
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var advance = function() {
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var start = cursor.from(), match;
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if (!(match = cursor.findNext())) {
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cursor = getSearchCursor(cm, query);
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if (!(match = cursor.findNext()) ||
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(start && cursor.from().line == start.line && cursor.from().ch == start.ch)) return;
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}
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cm.setSelection(cursor.from(), cursor.to());
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cm.scrollIntoView({from: cursor.from(), to: cursor.to()});
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confirmDialog(cm, getDoReplaceConfirm(cm), cm.phrase("Replace?"),
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[function() {doReplace(match);}, advance,
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function() {replaceAll(cm, query, text)}]);
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};
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var doReplace = function(match) {
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cursor.replace(typeof query == "string" ? text :
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text.replace(/\$(\d)/g, function(_, i) {return match[i];}));
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advance();
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};
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advance();
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}
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});
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});
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}
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CodeMirror.commands.find = function(cm) {clearSearch(cm); doSearch(cm);};
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CodeMirror.commands.findPersistent = function(cm) {clearSearch(cm); doSearch(cm, false, true);};
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CodeMirror.commands.findPersistentNext = function(cm) {doSearch(cm, false, true, true);};
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CodeMirror.commands.findPersistentPrev = function(cm) {doSearch(cm, true, true, true);};
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CodeMirror.commands.findNext = doSearch;
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CodeMirror.commands.findPrev = function(cm) {doSearch(cm, true);};
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CodeMirror.commands.clearSearch = clearSearch;
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CodeMirror.commands.replace = replace;
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CodeMirror.commands.replaceAll = function(cm) {replace(cm, true);};
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});
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