ec1f89217a
Full Mattermost server source with integrated Community Enterprise features. Includes vendor directory for offline/air-gapped builds. Structure: - enterprise-impl/: Enterprise feature implementations - enterprise-community/: Init files that register implementations - enterprise/: Bridge imports (community_imports.go) - vendor/: All dependencies for offline builds Build (online): go build ./cmd/mattermost Build (offline/air-gapped): go build -mod=vendor ./cmd/mattermost 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
90 lines
3.0 KiB
Go
90 lines
3.0 KiB
Go
// Copyright 2023 Google Inc. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package s2
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// Shape interface enforcement
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var _ Shape = (*LaxLoop)(nil)
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// LaxLoop represents a closed loop of edges surrounding an interior
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// region. It is similar to Loop except that this class allows
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// duplicate vertices and edges. Loops may have any number of vertices,
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// including 0, 1, or 2. (A one-vertex loop defines a degenerate edge
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// consisting of a single point.)
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//
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// Note that LaxLoop is faster to initialize and more compact than
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// Loop, but does not support the same operations as Loop.
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type LaxLoop struct {
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numVertices int
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vertices []Point
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}
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// LaxLoopFromPoints creates a LaxLoop from the given points.
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func LaxLoopFromPoints(vertices []Point) *LaxLoop {
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l := &LaxLoop{
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numVertices: len(vertices),
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vertices: make([]Point, len(vertices)),
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}
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copy(l.vertices, vertices)
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return l
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}
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// LaxLoopFromLoop creates a LaxLoop from the given Loop, copying its points.
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func LaxLoopFromLoop(loop *Loop) *LaxLoop {
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if loop.IsFull() {
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panic("FullLoops are not yet supported")
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}
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if loop.IsEmpty() {
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return &LaxLoop{}
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}
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l := &LaxLoop{
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numVertices: len(loop.vertices),
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vertices: make([]Point, len(loop.vertices)),
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}
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copy(l.vertices, loop.vertices)
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return l
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}
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func (l *LaxLoop) vertex(i int) Point { return l.vertices[i] }
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func (l *LaxLoop) NumEdges() int { return l.numVertices }
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func (l *LaxLoop) Edge(e int) Edge {
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e1 := e + 1
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if e1 == l.numVertices {
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e1 = 0
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}
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return Edge{l.vertices[e], l.vertices[e1]}
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}
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func (l *LaxLoop) Dimension() int { return 2 }
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func (l *LaxLoop) ReferencePoint() ReferencePoint { return referencePointForShape(l) }
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func (l *LaxLoop) NumChains() int { return minInt(1, l.numVertices) }
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func (l *LaxLoop) Chain(i int) Chain { return Chain{0, l.numVertices} }
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func (l *LaxLoop) ChainEdge(i, j int) Edge {
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var k int
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if j+1 == l.numVertices {
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k = j + 1
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}
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return Edge{l.vertices[j], l.vertices[k]}
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}
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func (l *LaxLoop) ChainPosition(e int) ChainPosition { return ChainPosition{0, e} }
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func (l *LaxLoop) IsEmpty() bool { return defaultShapeIsEmpty(l) }
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func (l *LaxLoop) IsFull() bool { return defaultShapeIsFull(l) }
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func (l *LaxLoop) typeTag() typeTag { return typeTagNone }
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func (l *LaxLoop) privateInterface() {}
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// TODO(roberts): Remaining to be ported from C++:
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// LaxClosedPolyline
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// VertexIDLaxLoop
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