165 lines
7.0 KiB
JavaScript
165 lines
7.0 KiB
JavaScript
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// CodeMirror, copyright (c) by Marijn Haverbeke and others
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// Distributed under an MIT license: http://codemirror.net/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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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;
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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.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, queryCaseInsensitive(query));
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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});
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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 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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}
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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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var queryDialog =
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'Search: <input type="text" style="width: 10em" class="CodeMirror-search-field"/> <span style="color: #888" class="CodeMirror-search-hint">(Use /re/ syntax for regexp search)</span>';
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function doSearch(cm, rev) {
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var state = getSearchState(cm);
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if (state.query) return findNext(cm, rev);
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dialog(cm, queryDialog, "Search for:", cm.getSelection(), function(query) {
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cm.operation(function() {
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if (!query || state.query) return;
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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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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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function findNext(cm, rev) {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()});
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state.posFrom = cursor.from(); state.posTo = 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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if (!state.query) return;
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state.query = 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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var replaceQueryDialog =
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'Replace: <input type="text" style="width: 10em" class="CodeMirror-search-field"/> <span style="color: #888" class="CodeMirror-search-hint">(Use /re/ syntax for regexp search)</span>';
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var replacementQueryDialog = 'With: <input type="text" style="width: 10em" class="CodeMirror-search-field"/>';
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var doReplaceConfirm = "Replace? <button>Yes</button> <button>No</button> <button>Stop</button>";
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function replace(cm, all) {
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if (cm.getOption("readOnly")) return;
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dialog(cm, replaceQueryDialog, "Replace:", cm.getSelection(), function(query) {
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if (!query) return;
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query = parseQuery(query);
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dialog(cm, replacementQueryDialog, "Replace with:", "", function(text) {
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if (all) {
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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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} else {
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clearSearch(cm);
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var cursor = getSearchCursor(cm, query, cm.getCursor());
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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, doReplaceConfirm, "Replace?",
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[function() {doReplace(match);}, advance]);
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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.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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