117 lines
4.8 KiB
C#
117 lines
4.8 KiB
C#
// This file is part of YamlDotNet - A .NET library for YAML.
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// Copyright (c) Antoine Aubry and contributors
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy of
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// this software and associated documentation files (the "Software"), to deal in
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// the Software without restriction, including without limitation the rights to
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// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
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// of the Software, and to permit persons to whom the Software is furnished to do
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// so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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namespace YamlDotNet.Core.Events
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{
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/// <summary>
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/// Represents a mapping start event.
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/// </summary>
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public sealed class MappingStart : NodeEvent
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{
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/// <summary>
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/// Gets a value indicating the variation of depth caused by this event.
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/// The value can be either -1, 0 or 1. For start events, it will be 1,
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/// for end events, it will be -1, and for the remaining events, it will be 0.
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/// </summary>
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public override int NestingIncrease => 1;
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/// <summary>
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/// Gets the event type, which allows for simpler type comparisons.
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/// </summary>
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internal override EventType Type => EventType.MappingStart;
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/// <summary>
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/// Gets a value indicating whether this instance is implicit.
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/// </summary>
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/// <value>
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/// <c>true</c> if this instance is implicit; otherwise, <c>false</c>.
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/// </value>
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public bool IsImplicit { get; }
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/// <summary>
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/// Gets a value indicating whether this instance is canonical.
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/// </summary>
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/// <value></value>
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public override bool IsCanonical => !IsImplicit;
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/// <summary>
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/// Gets the style of the mapping.
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/// </summary>
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public MappingStyle Style { get; }
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/// <summary>
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/// Initializes a new instance of the <see cref="MappingStart"/> class.
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/// </summary>
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/// <param name="anchor">The anchor.</param>
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/// <param name="tag">The tag.</param>
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/// <param name="isImplicit">Indicates whether the event is implicit.</param>
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/// <param name="style">The style of the mapping.</param>
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/// <param name="start">The start position of the event.</param>
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/// <param name="end">The end position of the event.</param>
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public MappingStart(AnchorName anchor, TagName tag, bool isImplicit, MappingStyle style, Mark start, Mark end)
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: base(anchor, tag, start, end)
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{
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this.IsImplicit = isImplicit;
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this.Style = style;
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}
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/// <summary>
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/// Initializes a new instance of the <see cref="MappingStart"/> class.
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/// </summary>
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/// <param name="anchor">The anchor.</param>
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/// <param name="tag">The tag.</param>
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/// <param name="isImplicit">Indicates whether the event is implicit.</param>
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/// <param name="style">The style of the mapping.</param>
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public MappingStart(AnchorName anchor, TagName tag, bool isImplicit, MappingStyle style)
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: this(anchor, tag, isImplicit, style, Mark.Empty, Mark.Empty)
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{
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}
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/// <summary>
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/// Initializes a new instance of the <see cref="MappingStart"/> class.
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/// </summary>
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public MappingStart()
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: this(AnchorName.Empty, TagName.Empty, true, MappingStyle.Any, Mark.Empty, Mark.Empty)
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{
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}
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/// <summary>
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/// Returns a <see cref="T:System.String"/> that represents the current <see cref="T:System.Object"/>.
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/// </summary>
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/// <returns>
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/// A <see cref="T:System.String"/> that represents the current <see cref="T:System.Object"/>.
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/// </returns>
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public override string ToString()
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{
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return $"Mapping start [anchor = {Anchor}, tag = {Tag}, isImplicit = {IsImplicit}, style = {Style}]";
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}
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/// <summary>
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/// Invokes run-time type specific Visit() method of the specified visitor.
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/// </summary>
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/// <param name="visitor">visitor, may not be null.</param>
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public override void Accept(IParsingEventVisitor visitor)
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{
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visitor.Visit(this);
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}
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}
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}
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