Andrew Zambazos
145 lines
3.8 KiB
JavaScript
145 lines
3.8 KiB
JavaScript
/*
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* Copyright (C) 2013 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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WI.Branch = class Branch
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{
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constructor(displayName, revisions, locked)
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{
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console.assert(displayName);
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this._displayName = displayName;
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this._revisions = revisions instanceof Array ? revisions.slice() : [];
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this._locked = locked || false;
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}
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// Public
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get displayName()
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{
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return this._displayName;
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}
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set displayName(displayName)
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{
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console.assert(displayName);
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if (!displayName)
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return;
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this._displayName = displayName;
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}
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get revisions()
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{
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return this._revisions;
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}
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get locked()
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{
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return this._locked;
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}
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revisionForRepresentedObject(representedObject, doNotCreateIfNeeded)
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{
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for (var i = 0; i < this._revisions.length; ++i) {
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var revision = this._revisions[i];
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if (revision instanceof WI.SourceCodeRevision && revision.sourceCode === representedObject)
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return revision;
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}
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if (doNotCreateIfNeeded)
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return null;
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if (representedObject instanceof WI.SourceCode) {
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var revision = representedObject.originalRevision.copy();
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representedObject.currentRevision = revision;
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this.addRevision(revision);
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return revision;
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}
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return null;
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}
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addRevision(revision)
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{
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console.assert(revision instanceof WI.Revision);
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if (this._locked)
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return;
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if (this._revisions.includes(revision))
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return;
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this._revisions.push(revision);
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}
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removeRevision(revision)
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{
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console.assert(revision instanceof WI.Revision);
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if (this._locked)
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return;
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this._revisions.remove(revision);
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}
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reset()
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{
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if (this._locked)
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return;
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this._revisions = [];
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}
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fork(displayName)
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{
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var copiedRevisions = this._revisions.map(function(revision) { return revision.copy(); });
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return new WI.Branch(displayName, copiedRevisions);
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}
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apply()
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{
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for (var i = 0; i < this._revisions.length; ++i)
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this._revisions[i].apply();
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}
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revert()
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{
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for (var i = this._revisions.length - 1; i >= 0; --i)
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this._revisions[i].revert();
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}
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lock()
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{
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console.assert(!this._locked);
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this._locked = true;
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}
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unlock()
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{
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console.assert(this._locked);
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this._locked = false;
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}
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};
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