+++ /dev/null
-(function(){
- var Pos = CodeMirror.Pos;
-
- function SearchCursor(doc, query, pos, caseFold) {
- this.atOccurrence = false; this.doc = doc;
- if (caseFold == null && typeof query == "string") caseFold = false;
-
- pos = pos ? doc.clipPos(pos) : Pos(0, 0);
- this.pos = {from: pos, to: pos};
-
- // The matches method is filled in based on the type of query.
- // It takes a position and a direction, and returns an object
- // describing the next occurrence of the query, or null if no
- // more matches were found.
- if (typeof query != "string") { // Regexp match
- if (!query.global) query = new RegExp(query.source, query.ignoreCase ? "ig" : "g");
- this.matches = function(reverse, pos) {
- if (reverse) {
- query.lastIndex = 0;
- var line = doc.getLine(pos.line).slice(0, pos.ch), cutOff = 0, match, start;
- for (;;) {
- query.lastIndex = cutOff;
- var newMatch = query.exec(line);
- if (!newMatch) break;
- match = newMatch;
- start = match.index;
- cutOff = match.index + (match[0].length || 1);
- if (cutOff == line.length) break;
- }
- var matchLen = (match && match[0].length) || 0;
- if (!matchLen) {
- if (start == 0 && line.length == 0) {match = undefined;}
- else if (start != doc.getLine(pos.line).length) {
- matchLen++;
- }
- }
- } else {
- query.lastIndex = pos.ch;
- var line = doc.getLine(pos.line), match = query.exec(line);
- var matchLen = (match && match[0].length) || 0;
- var start = match && match.index;
- if (start + matchLen != line.length && !matchLen) matchLen = 1;
- }
- if (match && matchLen)
- return {from: Pos(pos.line, start),
- to: Pos(pos.line, start + matchLen),
- match: match};
- };
- } else { // String query
- if (caseFold) query = query.toLowerCase();
- var fold = caseFold ? function(str){return str.toLowerCase();} : function(str){return str;};
- var target = query.split("\n");
- // Different methods for single-line and multi-line queries
- if (target.length == 1) {
- if (!query.length) {
- // Empty string would match anything and never progress, so
- // we define it to match nothing instead.
- this.matches = function() {};
- } else {
- this.matches = function(reverse, pos) {
- var line = fold(doc.getLine(pos.line)), len = query.length, match;
- if (reverse ? (pos.ch >= len && (match = line.lastIndexOf(query, pos.ch - len)) != -1)
- : (match = line.indexOf(query, pos.ch)) != -1)
- return {from: Pos(pos.line, match),
- to: Pos(pos.line, match + len)};
- };
- }
- } else {
- this.matches = function(reverse, pos) {
- var ln = pos.line, idx = (reverse ? target.length - 1 : 0), match = target[idx], line = fold(doc.getLine(ln));
- var offsetA = (reverse ? line.indexOf(match) + match.length : line.lastIndexOf(match));
- if (reverse ? offsetA >= pos.ch || offsetA != match.length
- : offsetA <= pos.ch || offsetA != line.length - match.length)
- return;
- for (;;) {
- if (reverse ? !ln : ln == doc.lineCount() - 1) return;
- line = fold(doc.getLine(ln += reverse ? -1 : 1));
- match = target[reverse ? --idx : ++idx];
- if (idx > 0 && idx < target.length - 1) {
- if (line != match) return;
- else continue;
- }
- var offsetB = (reverse ? line.lastIndexOf(match) : line.indexOf(match) + match.length);
- if (reverse ? offsetB != line.length - match.length : offsetB != match.length)
- return;
- var start = Pos(pos.line, offsetA), end = Pos(ln, offsetB);
- return {from: reverse ? end : start, to: reverse ? start : end};
- }
- };
- }
- }
- }
-
- SearchCursor.prototype = {
- findNext: function() {return this.find(false);},
- findPrevious: function() {return this.find(true);},
-
- find: function(reverse) {
- var self = this, pos = this.doc.clipPos(reverse ? this.pos.from : this.pos.to);
- function savePosAndFail(line) {
- var pos = Pos(line, 0);
- self.pos = {from: pos, to: pos};
- self.atOccurrence = false;
- return false;
- }
-
- for (;;) {
- if (this.pos = this.matches(reverse, pos)) {
- if (!this.pos.from || !this.pos.to) { console.log(this.matches, this.pos); }
- this.atOccurrence = true;
- return this.pos.match || true;
- }
- if (reverse) {
- if (!pos.line) return savePosAndFail(0);
- pos = Pos(pos.line-1, this.doc.getLine(pos.line-1).length);
- }
- else {
- var maxLine = this.doc.lineCount();
- if (pos.line == maxLine - 1) return savePosAndFail(maxLine);
- pos = Pos(pos.line + 1, 0);
- }
- }
- },
-
- from: function() {if (this.atOccurrence) return this.pos.from;},
- to: function() {if (this.atOccurrence) return this.pos.to;},
-
- replace: function(newText) {
- if (!this.atOccurrence) return;
- var lines = CodeMirror.splitLines(newText);
- this.doc.replaceRange(lines, this.pos.from, this.pos.to);
- this.pos.to = Pos(this.pos.from.line + lines.length - 1,
- lines[lines.length - 1].length + (lines.length == 1 ? this.pos.from.ch : 0));
- }
- };
-
- CodeMirror.defineExtension("getSearchCursor", function(query, pos, caseFold) {
- return new SearchCursor(this.doc, query, pos, caseFold);
- });
- CodeMirror.defineDocExtension("getSearchCursor", function(query, pos, caseFold) {
- return new SearchCursor(this, query, pos, caseFold);
- });
-})();
git://git.onelab.eu / myslice.git / blobdiff