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How to use getSearchCursor method in redwood

Best JavaScript code snippet using redwood

search.js

Source:search.js

...11  }12  function getSearchState(cm) {13    return cm._searchState || (cm._searchState = new SearchState());14  }15  function getSearchCursor(cm, query, pos) {16    // Heuristic: if the query string is all lowercase, do a case insensitive search.17    return cm.getSearchCursor(query, pos, typeof query == "string" && query == query.toLowerCase());18  }19  function dialog(cm, text, shortText, f) {20    if (cm.openDialog) cm.openDialog(text, f);21    else f(prompt(shortText, ""));22  }23  function confirmDialog(cm, text, shortText, fs) {24    if (cm.openConfirm) cm.openConfirm(text, fs);25    else if (confirm(shortText)) fs[0]();26  }27  function parseQuery(query) {28    var isRE = query.match(/^\/(.*)\/([a-z]*)$/);29    return isRE ? new RegExp(isRE[1], isRE[2].indexOf("i") == -1 ? "" : "i") : query;30  }31  var queryDialog =32    'Search: <input type="text" style="width: 10em"/> <span style="color: #888">(Use /re/ syntax for regexp search)</span>';33  function doSearch(cm, rev) {34    var state = getSearchState(cm);35    if (state.query) return findNext(cm, rev);36    dialog(cm, queryDialog, "Search for:", function(query) {37      cm.operation(function() {38        if (!query || state.query) return;39        state.query = parseQuery(query);40        if (cm.lineCount() < 2000) { // This is too expensive on big documents.41          for (var cursor = getSearchCursor(cm, state.query); cursor.findNext();)42            state.marked.push(cm.markText(cursor.from(), cursor.to(), "CodeMirror-searching"));43        }44        state.posFrom = state.posTo = cm.getCursor();45        findNext(cm, rev);46      });47    });48  }49  function findNext(cm, rev) {cm.operation(function() {50    var state = getSearchState(cm);51    var cursor = getSearchCursor(cm, state.query, rev ? state.posFrom : state.posTo);52    if (!cursor.find(rev)) {53      cursor = getSearchCursor(cm, state.query, rev ? {line: cm.lineCount() - 1} : {line: 0, ch: 0});54      if (!cursor.find(rev)) return;55    }56    cm.setSelection(cursor.from(), cursor.to());57    state.posFrom = cursor.from(); state.posTo = cursor.to();58  });}59  function clearSearch(cm) {cm.operation(function() {60    var state = getSearchState(cm);61    if (!state.query) return;62    state.query = null;63    for (var i = 0; i < state.marked.length; ++i) state.marked[i].clear();64    state.marked.length = 0;65  });}66  var replaceQueryDialog =67    'Replace: <input type="text" style="width: 10em"/> <span style="color: #888">(Use /re/ syntax for regexp search)</span>';68  var replacementQueryDialog = 'With: <input type="text" style="width: 10em"/>';69  var doReplaceConfirm = "Replace? <button>Yes</button> <button>No</button> <button>Stop</button>";70  function replace(cm, all) {71    dialog(cm, replaceQueryDialog, "Replace:", function(query) {72      if (!query) return;73      query = parseQuery(query);74      dialog(cm, replacementQueryDialog, "Replace with:", function(text) {75        if (all) {76          cm.compoundChange(function() { cm.operation(function() {77            for (var cursor = getSearchCursor(cm, query); cursor.findNext();) {78              if (typeof query != "string") {79                var match = cm.getRange(cursor.from(), cursor.to()).match(query);80                cursor.replace(text.replace(/\$(\d)/, function(w, i) {return match[i];}));81              } else cursor.replace(text);82            }83          });});84        } else {85          clearSearch(cm);86          var cursor = getSearchCursor(cm, query, cm.getCursor());87          function advance() {88            var start = cursor.from(), match;89            if (!(match = cursor.findNext())) {90              cursor = getSearchCursor(cm, query);91              if (!(match = cursor.findNext()) ||92                  (start && cursor.from().line == start.line && cursor.from().ch == start.ch)) return;93            }94            cm.setSelection(cursor.from(), cursor.to());95            confirmDialog(cm, doReplaceConfirm, "Replace?",96                          [function() {doReplace(match);}, advance]);97          }98          function doReplace(match) {99            cursor.replace(typeof query == "string" ? text :100                           text.replace(/\$(\d)/, function(w, i) {return match[i];}));101            advance();102          }103          advance();104        }...

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