Vergleich admin/jscripts/codemirror/addon/search/searchcursor.js - 1.8.4 - 1.8.21

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(function(mod) {
if (typeof exports == "object" && typeof module == "object") // CommonJS


(function(mod) {
if (typeof exports == "object" && typeof module == "object") // CommonJS

    mod(require("../../lib/codemirror"));

    mod(require("../../lib/codemirror"))

  else if (typeof define == "function" && define.amd) // AMD

  else if (typeof define == "function" && define.amd) // AMD

    define(["../../lib/codemirror"], mod);

    define(["../../lib/codemirror"], mod)

  else // Plain browser env

  else // Plain browser env

    mod(CodeMirror);

    mod(CodeMirror)

})(function(CodeMirror) {

})(function(CodeMirror) {

  "use strict";
var Pos = CodeMirror.Pos;

  "use strict"
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};





















































































































































































  function regexpFlags(regexp) {
var flags = regexp.flags
return flags != null ? flags : (regexp.ignoreCase ? "i" : "")
+ (regexp.global ? "g" : "")
+ (regexp.multiline ? "m" : "")
}

function ensureGlobal(regexp) {
return regexp.global ? regexp : new RegExp(regexp.source, regexpFlags(regexp) + "g")
}

function maybeMultiline(regexp) {
return /\\s|\\n|\n|\\W|\\D|\[\^/.test(regexp.source)
}

function searchRegexpForward(doc, regexp, start) {
regexp = ensureGlobal(regexp)
for (var line = start.line, ch = start.ch, last = doc.lastLine(); line <= last; line++, ch = 0) {
regexp.lastIndex = ch
var string = doc.getLine(line), match = regexp.exec(string)
if (match)
return {from: Pos(line, match.index),
to: Pos(line, match.index + match[0].length),
match: match}
}
}

function searchRegexpForwardMultiline(doc, regexp, start) {
if (!maybeMultiline(regexp)) return searchRegexpForward(doc, regexp, start)

regexp = ensureGlobal(regexp)
var string, chunk = 1
for (var line = start.line, last = doc.lastLine(); line <= last;) {
// This grows the search buffer in exponentially-sized chunks
// between matches, so that nearby matches are fast and don't
// require concatenating the whole document (in case we're
// searching for something that has tons of matches), but at the
// same time, the amount of retries is limited.
for (var i = 0; i < chunk; i++) {
var curLine = doc.getLine(line++)
string = string == null ? curLine : string + "\n" + curLine
}
chunk = chunk * 2
regexp.lastIndex = start.ch
var match = regexp.exec(string)
if (match) {
var before = string.slice(0, match.index).split("\n"), inside = match[0].split("\n")
var startLine = start.line + before.length - 1, startCh = before[before.length - 1].length
return {from: Pos(startLine, startCh),
to: Pos(startLine + inside.length - 1,
inside.length == 1 ? startCh + inside[0].length : inside[inside.length - 1].length),
match: match}
}
}
}

function lastMatchIn(string, regexp) {
var cutOff = 0, match
for (;;) {
regexp.lastIndex = cutOff
var newMatch = regexp.exec(string)
if (!newMatch) return match
match = newMatch
cutOff = match.index + (match[0].length || 1)
if (cutOff == string.length) return match
}
}

function searchRegexpBackward(doc, regexp, start) {
regexp = ensureGlobal(regexp)
for (var line = start.line, ch = start.ch, first = doc.firstLine(); line >= first; line--, ch = -1) {
var string = doc.getLine(line)
if (ch > -1) string = string.slice(0, ch)
var match = lastMatchIn(string, regexp)
if (match)
return {from: Pos(line, match.index),
to: Pos(line, match.index + match[0].length),
match: match}
}
}

function searchRegexpBackwardMultiline(doc, regexp, start) {
regexp = ensureGlobal(regexp)
var string, chunk = 1
for (var line = start.line, first = doc.firstLine(); line >= first;) {
for (var i = 0; i < chunk; i++) {
var curLine = doc.getLine(line--)
string = string == null ? curLine.slice(0, start.ch) : curLine + "\n" + string
}
chunk *= 2

var match = lastMatchIn(string, regexp)
if (match) {
var before = string.slice(0, match.index).split("\n"), inside = match[0].split("\n")
var startLine = line + before.length, startCh = before[before.length - 1].length
return {from: Pos(startLine, startCh),
to: Pos(startLine + inside.length - 1,
inside.length == 1 ? startCh + inside[0].length : inside[inside.length - 1].length),
match: match}
}
}
}

var doFold, noFold
if (String.prototype.normalize) {
doFold = function(str) { return str.normalize("NFD").toLowerCase() }
noFold = function(str) { return str.normalize("NFD") }
} else {
doFold = function(str) { return str.toLowerCase() }
noFold = function(str) { return str }
}

// Maps a position in a case-folded line back to a position in the original line
// (compensating for codepoints increasing in number during folding)
function adjustPos(orig, folded, pos, foldFunc) {
if (orig.length == folded.length) return pos
for (var min = 0, max = pos + Math.max(0, orig.length - folded.length);;) {
if (min == max) return min
var mid = (min + max) >> 1
var len = foldFunc(orig.slice(0, mid)).length
if (len == pos) return mid
else if (len > pos) max = mid
else min = mid + 1
}
}

function searchStringForward(doc, query, start, caseFold) {
// Empty string would match anything and never progress, so we
// define it to match nothing instead.
if (!query.length) return null
var fold = caseFold ? doFold : noFold
var lines = fold(query).split(/\r|\n\r?/)

search: for (var line = start.line, ch = start.ch, last = doc.lastLine() + 1 - lines.length; line <= last; line++, ch = 0) {
var orig = doc.getLine(line).slice(ch), string = fold(orig)
if (lines.length == 1) {
var found = string.indexOf(lines[0])
if (found == -1) continue search
var start = adjustPos(orig, string, found, fold) + ch
return {from: Pos(line, adjustPos(orig, string, found, fold) + ch),
to: Pos(line, adjustPos(orig, string, found + lines[0].length, fold) + ch)}
} else {
var cutFrom = string.length - lines[0].length
if (string.slice(cutFrom) != lines[0]) continue search
for (var i = 1; i < lines.length - 1; i++)
if (fold(doc.getLine(line + i)) != lines[i]) continue search
var end = doc.getLine(line + lines.length - 1), endString = fold(end), lastLine = lines[lines.length - 1]
if (end.slice(0, lastLine.length) != lastLine) continue search
return {from: Pos(line, adjustPos(orig, string, cutFrom, fold) + ch),
to: Pos(line + lines.length - 1, adjustPos(end, endString, lastLine.length, fold))}
}
}
}

function searchStringBackward(doc, query, start, caseFold) {
if (!query.length) return null
var fold = caseFold ? doFold : noFold
var lines = fold(query).split(/\r|\n\r?/)

search: for (var line = start.line, ch = start.ch, first = doc.firstLine() - 1 + lines.length; line >= first; line--, ch = -1) {
var orig = doc.getLine(line)
if (ch > -1) orig = orig.slice(0, ch)
var string = fold(orig)
if (lines.length == 1) {
var found = string.lastIndexOf(lines[0])
if (found == -1) continue search
return {from: Pos(line, adjustPos(orig, string, found, fold)),
to: Pos(line, adjustPos(orig, string, found + lines[0].length, fold))}
} else {
var lastLine = lines[lines.length - 1]
if (string.slice(0, lastLine.length) != lastLine) continue search
for (var i = 1, start = line - lines.length + 1; i < lines.length - 1; i++)
if (fold(doc.getLine(start + i)) != lines[i]) continue search
var top = doc.getLine(line + 1 - lines.length), topString = fold(top)
if (topString.slice(topString.length - lines[0].length) != lines[0]) continue search
return {from: Pos(line + 1 - lines.length, adjustPos(top, topString, top.length - lines[0].length, fold)),
to: Pos(line, adjustPos(orig, string, lastLine.length, fold))}
}
}
}

function SearchCursor(doc, query, pos, options) {
this.atOccurrence = false
this.doc = doc
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");





    var caseFold
if (typeof options == "object") {
caseFold = options.caseFold
} else { // Backwards compat for when caseFold was the 4th argument
caseFold = options
options = null
}

if (typeof query == "string") {
if (caseFold == null) caseFold = false

      this.matches = function(reverse, pos) {

      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
var origQuery = 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) {
if (reverse) {
var orig = doc.getLine(pos.line).slice(0, pos.ch), line = fold(orig);
var match = line.lastIndexOf(query);
if (match > -1) {
match = adjustPos(orig, line, match);
return {from: Pos(pos.line, match), to: Pos(pos.line, match + origQuery.length)};
}
} else {
var orig = doc.getLine(pos.line).slice(pos.ch), line = fold(orig);
var match = line.indexOf(query);
if (match > -1) {
match = adjustPos(orig, line, match) + pos.ch;
return {from: Pos(pos.line, match), to: Pos(pos.line, match + origQuery.length)};
}
}
};
}
} else {
var origTarget = origQuery.split("\n");
this.matches = function(reverse, pos) {
var last = target.length - 1;
if (reverse) {
if (pos.line - (target.length - 1) < doc.firstLine()) return;
if (fold(doc.getLine(pos.line).slice(0, origTarget[last].length)) != target[target.length - 1]) return;
var to = Pos(pos.line, origTarget[last].length);
for (var ln = pos.line - 1, i = last - 1; i >= 1; --i, --ln)
if (target[i] != fold(doc.getLine(ln))) return;
var line = doc.getLine(ln), cut = line.length - origTarget[0].length;
if (fold(line.slice(cut)) != target[0]) return;
return {from: Pos(ln, cut), to: to};
} else {
if (pos.line + (target.length - 1) > doc.lastLine()) return;
var line = doc.getLine(pos.line), cut = line.length - origTarget[0].length;
if (fold(line.slice(cut)) != target[0]) return;
var from = Pos(pos.line, cut);
for (var ln = pos.line + 1, i = 1; i < last; ++i, ++ln)
if (target[i] != fold(doc.getLine(ln))) return;
if (fold(doc.getLine(ln).slice(0, origTarget[last].length)) != target[last]) return;
return {from: from, to: Pos(ln, origTarget[last].length)};
}
};

        return (reverse ? searchStringBackward : searchStringForward)(doc, query, pos, caseFold)





















































































      }

      }

 
    } else {
query = ensureGlobal(query)
if (!options || options.multiline !== false)
this.matches = function(reverse, pos) {
return (reverse ? searchRegexpBackwardMultiline : searchRegexpForwardMultiline)(doc, query, pos)
}
else
this.matches = function(reverse, pos) {
return (reverse ? searchRegexpBackward : searchRegexpForward)(doc, query, pos)
}

    }
}

    }
}


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)) {
this.atOccurrence = true;
return this.pos.match || true;
}


SearchCursor.prototype = {
findNext: function() {return this.find(false)},
findPrevious: function() {return this.find(true)},

find: function(reverse) {
var result = this.matches(reverse, this.doc.clipPos(reverse ? this.pos.from : this.pos.to))

// Implements weird auto-growing behavior on null-matches for
// backwards-compatiblity with the vim code (unfortunately)
while (result && CodeMirror.cmpPos(result.from, result.to) == 0) {









        if (reverse) {

        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);

          if (result.from.ch) result.from = Pos(result.from.line, result.from.ch - 1)
else if (result.from.line == this.doc.firstLine()) result = null
else result = this.matches(reverse, this.doc.clipPos(Pos(result.from.line - 1)))
} else {
if (result.to.ch < this.doc.getLine(result.to.line).length) result.to = Pos(result.to.line, result.to.ch + 1)
else if (result.to.line == this.doc.lastLine()) result = null
else result = this.matches(reverse, Pos(result.to.line + 1, 0))

        }

        }

 
      }

if (result) {
this.pos = result
this.atOccurrence = true
return this.pos.match || true
} else {
var end = Pos(reverse ? this.doc.firstLine() : this.doc.lastLine() + 1, 0)
this.pos = {from: end, to: end}
return this.atOccurrence = false

      }
},


      }
},


    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));
}
};

    from: function() {if (this.atOccurrence) return this.pos.from},
to: function() {if (this.atOccurrence) return this.pos.to},














  // Maps a position in a case-folded line back to a position in the original line
// (compensating for codepoints increasing in number during folding)
function adjustPos(orig, folded, pos) {
if (orig.length == folded.length) return pos;
for (var pos1 = Math.min(pos, orig.length);;) {
var len1 = orig.slice(0, pos1).toLowerCase().length;
if (len1 < pos) ++pos1;
else if (len1 > pos) --pos1;
else return pos1;

    replace: function(newText, origin) {
if (!this.atOccurrence) return
var lines = CodeMirror.splitLines(newText)
this.doc.replaceRange(lines, this.pos.from, this.pos.to, origin)
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) {

    }
}

CodeMirror.defineExtension("getSearchCursor", function(query, pos, caseFold) {

    return new SearchCursor(this.doc, query, pos, caseFold);
});

    return new SearchCursor(this.doc, query, pos, caseFold)
})

  CodeMirror.defineDocExtension("getSearchCursor", function(query, pos, caseFold) {

  CodeMirror.defineDocExtension("getSearchCursor", function(query, pos, caseFold) {

    return new SearchCursor(this, query, pos, caseFold);
});

    return new SearchCursor(this, query, pos, caseFold)
})


CodeMirror.defineExtension("selectMatches", function(query, caseFold) {


CodeMirror.defineExtension("selectMatches", function(query, caseFold) {

    var ranges = [], next;
var cur = this.getSearchCursor(query, this.getCursor("from"), caseFold);
while (next = cur.findNext()) {
if (CodeMirror.cmpPos(cur.to(), this.getCursor("to")) > 0) break;
ranges.push({anchor: cur.from(), head: cur.to()});

    var ranges = []
var cur = this.getSearchCursor(query, this.getCursor("from"), caseFold)
while (cur.findNext()) {
if (CodeMirror.cmpPos(cur.to(), this.getCursor("to")) > 0) break
ranges.push({anchor: cur.from(), head: cur.to()})

    }
if (ranges.length)

    }
if (ranges.length)

      this.setSelections(ranges, 0);
});

      this.setSelections(ranges, 0)
})

});

});