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Fix integration tests for #579 (3)
This commit is contained in:
BobLd
parent
906066ec58
commit
42e4171c31
@ -1,66 +1,67 @@
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namespace UglyToad.PdfPig.Annotations;
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using System;
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using System.Collections.Generic;
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using Tokens;
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/// <summary>
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/// Appearance stream (PDF Reference 8.4.4) that describes what an annotation looks like. Each stream is a Form XObject.
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/// The appearance stream is either stateless (in which case <see cref="IsStateless"/> is true)
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/// or stateful, in which case <see cref="IsStateless"/> is false and the states can be retrieved via <see cref="GetStates"/>.
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/// The states can then be used to retrieve the state-specific appearances using <see cref="Get"/>.
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/// </summary>
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public class AppearanceStream
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namespace UglyToad.PdfPig.Annotations
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{
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private readonly IDictionary<string, StreamToken> appearanceStreamsByState;
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private readonly StreamToken statelessAppearanceStream;
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using System;
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using System.Collections.Generic;
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using Tokens;
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/// <summary>
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/// Indicates if this appearance stream is stateless, or whether you can get appearances by state.
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/// Appearance stream (PDF Reference 8.4.4) that describes what an annotation looks like. Each stream is a Form XObject.
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/// The appearance stream is either stateless (in which case <see cref="IsStateless"/> is true)
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/// or stateful, in which case <see cref="IsStateless"/> is false and the states can be retrieved via <see cref="GetStates"/>.
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/// The states can then be used to retrieve the state-specific appearances using <see cref="Get"/>.
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/// </summary>
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public bool IsStateless => statelessAppearanceStream != null;
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/// <summary>
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/// Get list of states. If this is a stateless appearance stream, an empty collection is returned.
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/// </summary>
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public ICollection<string> GetStates => appearanceStreamsByState != null ? appearanceStreamsByState.Keys : new string[0];
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/// <summary>
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/// Constructor for stateless appearance stream
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/// </summary>
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/// <param name="streamToken"></param>
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internal AppearanceStream(StreamToken streamToken)
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public class AppearanceStream
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{
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statelessAppearanceStream = streamToken;
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}
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private readonly IDictionary<string, StreamToken> appearanceStreamsByState;
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/// <summary>
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/// Constructor for stateful appearance stream
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/// </summary>
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/// <param name="appearanceStreamsByState"></param>
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internal AppearanceStream(IDictionary<string, StreamToken> appearanceStreamsByState)
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{
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this.appearanceStreamsByState = appearanceStreamsByState;
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}
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private readonly StreamToken statelessAppearanceStream;
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/// <summary>
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/// Get appearance stream for particular state
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/// </summary>
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/// <param name="state"></param>
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/// <returns></returns>
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/// <exception cref="Exception"></exception>
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/// <exception cref="ArgumentOutOfRangeException"></exception>
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public StreamToken Get(string state)
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{
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if (appearanceStreamsByState == null)
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/// <summary>
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/// Indicates if this appearance stream is stateless, or whether you can get appearances by state.
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/// </summary>
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public bool IsStateless => statelessAppearanceStream != null;
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/// <summary>
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/// Get list of states. If this is a stateless appearance stream, an empty collection is returned.
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/// </summary>
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public ICollection<string> GetStates => appearanceStreamsByState != null ? appearanceStreamsByState.Keys : new string[0];
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/// <summary>
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/// Constructor for stateless appearance stream
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/// </summary>
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/// <param name="streamToken"></param>
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internal AppearanceStream(StreamToken streamToken)
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{
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throw new Exception("Cannot get appearance by state when this is a stateless appearance stream");
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statelessAppearanceStream = streamToken;
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}
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if (!appearanceStreamsByState.ContainsKey(state))
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/// <summary>
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/// Constructor for stateful appearance stream
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/// </summary>
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/// <param name="appearanceStreamsByState"></param>
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internal AppearanceStream(IDictionary<string, StreamToken> appearanceStreamsByState)
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{
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throw new ArgumentOutOfRangeException(nameof(state), $"Appearance stream does not have state '{state}' (available states: {string.Join(",", appearanceStreamsByState.Keys)})");
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this.appearanceStreamsByState = appearanceStreamsByState;
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}
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/// <summary>
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/// Get appearance stream for particular state
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/// </summary>
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/// <param name="state"></param>
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/// <returns></returns>
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/// <exception cref="Exception"></exception>
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/// <exception cref="ArgumentOutOfRangeException"></exception>
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public StreamToken Get(string state)
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{
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if (appearanceStreamsByState == null)
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{
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throw new Exception("Cannot get appearance by state when this is a stateless appearance stream");
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}
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if (!appearanceStreamsByState.ContainsKey(state))
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{
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throw new ArgumentOutOfRangeException(nameof(state), $"Appearance stream does not have state '{state}' (available states: {string.Join(",", appearanceStreamsByState.Keys)})");
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}
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return appearanceStreamsByState[state];
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}
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return appearanceStreamsByState[state];
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}
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}
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}
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@ -1,42 +1,42 @@
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namespace UglyToad.PdfPig.Annotations;
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using System.Collections.Generic;
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using Tokenization.Scanner;
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using Tokens;
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internal static class AppearanceStreamFactory
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namespace UglyToad.PdfPig.Annotations
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{
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public static bool TryCreate(DictionaryToken appearanceDictionary, NameToken name, IPdfTokenScanner tokenScanner, out AppearanceStream appearanceStream)
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using System.Collections.Generic;
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using Tokenization.Scanner;
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using Tokens;
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internal static class AppearanceStreamFactory
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{
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if (appearanceDictionary.TryGet(name, out IndirectReferenceToken appearanceReference))
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public static bool TryCreate(DictionaryToken appearanceDictionary, NameToken name, IPdfTokenScanner tokenScanner, out AppearanceStream appearanceStream)
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{
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var streamToken = tokenScanner.Get(appearanceReference.Data)?.Data as StreamToken;
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appearanceStream = new AppearanceStream(streamToken);
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return true;
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}
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if (appearanceDictionary.TryGet(name, out DictionaryToken stateDictionary))
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{
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var dict = new Dictionary<string, StreamToken>();
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foreach (var state in stateDictionary.Data.Keys)
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if (appearanceDictionary.TryGet(name, out IndirectReferenceToken appearanceReference))
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{
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if (stateDictionary.Data.TryGetValue(state, out var stateRef) &&
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stateRef is IndirectReferenceToken appearanceRef)
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{
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var streamToken = tokenScanner.Get(appearanceRef.Data)?.Data as StreamToken;
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dict[state] = streamToken;
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}
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}
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if (dict.Count > 0)
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{
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appearanceStream = new AppearanceStream(dict);
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var streamToken = tokenScanner.Get(appearanceReference.Data)?.Data as StreamToken;
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appearanceStream = new AppearanceStream(streamToken);
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return true;
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}
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}
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appearanceStream = null;
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return false;
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if (appearanceDictionary.TryGet(name, out DictionaryToken stateDictionary))
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{
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var dict = new Dictionary<string, StreamToken>();
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foreach (var state in stateDictionary.Data.Keys)
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{
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if (stateDictionary.Data.TryGetValue(state, out var stateRef) &&
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stateRef is IndirectReferenceToken appearanceRef)
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{
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var streamToken = tokenScanner.Get(appearanceRef.Data)?.Data as StreamToken;
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dict[state] = streamToken;
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}
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}
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if (dict.Count > 0)
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{
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appearanceStream = new AppearanceStream(dict);
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return true;
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}
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}
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appearanceStream = null;
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return false;
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}
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}
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}
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}
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@ -1,241 +1,239 @@
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namespace UglyToad.PdfPig.Content;
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using Core;
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using Logging;
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using Parser.Parts;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using Tokenization.Scanner;
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using Tokens;
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using Util;
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internal class PagesFactory
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namespace UglyToad.PdfPig.Content
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{
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private class PageCounter
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using Core;
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using Logging;
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using Parser.Parts;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using Tokenization.Scanner;
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using Tokens;
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using Util;
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internal class PagesFactory
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{
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public int PageCount { get; private set; }
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public void Increment()
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private class PageCounter
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{
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PageCount++;
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}
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}
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public static Pages Create(IndirectReference pagesReference, DictionaryToken pagesDictionary, IPdfTokenScanner scanner, IPageFactory pageFactory, ILog log, bool isLenientParsing)
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{
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var pageNumber = new PageCounter();
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var pageTree = ProcessPagesNode(pagesReference, pagesDictionary, new IndirectReference(1, 0), true,
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scanner, isLenientParsing, pageNumber);
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if (!pageTree.IsRoot)
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{
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throw new ArgumentException("Page tree must be the root page tree node.", nameof(pageTree));
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}
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var pagesByNumber = new Dictionary<int, PageTreeNode>();
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PopulatePageByNumberDictionary(pageTree, pagesByNumber);
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var dictionaryPageCount = pagesDictionary.GetIntOrDefault(NameToken.Count);
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if (dictionaryPageCount != pagesByNumber.Count)
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{
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log.Warn($"Dictionary Page Count {dictionaryPageCount} different to discovered pages {pagesByNumber.Count}. Using {pagesByNumber.Count}.");
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}
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return new Pages(pageFactory, scanner, pageTree, pagesByNumber);
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}
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private static PageTreeNode ProcessPagesNode(IndirectReference referenceInput,
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DictionaryToken nodeDictionaryInput,
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IndirectReference parentReferenceInput,
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bool isRoot,
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IPdfTokenScanner pdfTokenScanner,
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bool isLenientParsing,
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PageCounter pageNumber)
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{
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bool isPage = CheckIfIsPage(nodeDictionaryInput, parentReferenceInput, isRoot, pdfTokenScanner, isLenientParsing);
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if (isPage)
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{
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pageNumber.Increment();
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return new PageTreeNode(nodeDictionaryInput, referenceInput, true, pageNumber.PageCount).WithChildren(EmptyArray<PageTreeNode>.Instance);
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}
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//If we got here, we have to iterate till we manage to exit
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// Attempt to detect (and break) any infinite loop (IL) by recording the ids of the last 1000 (by default) tokens processed.
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const int InfiniteLoopWorkingWindow = 1000;
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var visitedTokens = new Dictionary<long, HashSet<int>>(); // Quick lookup containing ids (object number, generation) of tokens already processed (trimmed as we go to last 1000 (by default))
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var visitedTokensWorkingWindow = new Queue<(long ObjectNumber, int Generation)>(InfiniteLoopWorkingWindow);
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var toProcess =
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new Queue<(PageTreeNode thisPage, IndirectReference reference, DictionaryToken nodeDictionary, IndirectReference parentReference,
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List<PageTreeNode> nodeChildren)>();
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var firstPage = new PageTreeNode(nodeDictionaryInput, referenceInput, false, null);
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var setChildren = new List<Action>();
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var firstPageChildren = new List<PageTreeNode>();
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setChildren.Add(() => firstPage.WithChildren(firstPageChildren));
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toProcess.Enqueue(
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(thisPage: firstPage, reference: referenceInput, nodeDictionary: nodeDictionaryInput, parentReference: parentReferenceInput,
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nodeChildren: firstPageChildren));
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do
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{
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var current = toProcess.Dequeue();
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#region Break any potential infinite loop
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// Remember the last 1000 (by default) tokens and if we attempt to process again break out of loop
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var currentReferenceObjectNumber = current.reference.ObjectNumber;
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var currentReferenceGeneration = current.reference.Generation;
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if (visitedTokens.ContainsKey(currentReferenceObjectNumber))
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public int PageCount { get; private set; }
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public void Increment()
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{
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var generations = visitedTokens[currentReferenceObjectNumber];
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if (generations.Contains(currentReferenceGeneration))
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{
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var listOfLastVisitedToken = visitedTokensWorkingWindow.ToList();
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var indexOfCurrentTokenInListOfLastVisitedToken = listOfLastVisitedToken.IndexOf((currentReferenceObjectNumber, currentReferenceGeneration));
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var howManyTokensBack = Math.Abs(indexOfCurrentTokenInListOfLastVisitedToken - listOfLastVisitedToken.Count); //eg initate loop is taking us back to last token or five token back
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System.Diagnostics.Debug.WriteLine($"Break infinite loop while processing page {pageNumber.PageCount+1} tokens. Token with object number {currentReferenceObjectNumber} and generation {currentReferenceGeneration} processed {howManyTokensBack} token(s) back. ");
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continue; // don't reprocess token already processed. break infinite loop. Issue #519
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}
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else
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{
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generations.Add(currentReferenceGeneration);
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visitedTokens[currentReferenceObjectNumber] = generations;
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}
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PageCount++;
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}
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else
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{
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visitedTokens.Add(currentReferenceObjectNumber, new HashSet<int>() { currentReferenceGeneration });
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}
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visitedTokensWorkingWindow.Enqueue((currentReferenceObjectNumber, currentReferenceGeneration));
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if (visitedTokensWorkingWindow.Count >= InfiniteLoopWorkingWindow)
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public static Pages Create(IndirectReference pagesReference, DictionaryToken pagesDictionary, IPdfTokenScanner scanner, IPageFactory pageFactory, ILog log, bool isLenientParsing)
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{
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var pageNumber = new PageCounter();
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var pageTree = ProcessPagesNode(pagesReference, pagesDictionary, new IndirectReference(1, 0), true,
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scanner, isLenientParsing, pageNumber);
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if (!pageTree.IsRoot)
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{
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throw new ArgumentException("Page tree must be the root page tree node.", nameof(pageTree));
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}
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var pagesByNumber = new Dictionary<int, PageTreeNode>();
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PopulatePageByNumberDictionary(pageTree, pagesByNumber);
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var dictionaryPageCount = pagesDictionary.GetIntOrDefault(NameToken.Count);
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if (dictionaryPageCount != pagesByNumber.Count)
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{
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log.Warn($"Dictionary Page Count {dictionaryPageCount} different to discovered pages {pagesByNumber.Count}. Using {pagesByNumber.Count}.");
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}
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return new Pages(pageFactory, scanner, pageTree, pagesByNumber);
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}
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private static PageTreeNode ProcessPagesNode(IndirectReference referenceInput,
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DictionaryToken nodeDictionaryInput,
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IndirectReference parentReferenceInput,
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bool isRoot,
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IPdfTokenScanner pdfTokenScanner,
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bool isLenientParsing,
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PageCounter pageNumber)
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{
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bool isPage = CheckIfIsPage(nodeDictionaryInput, parentReferenceInput, isRoot, pdfTokenScanner, isLenientParsing);
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if (isPage)
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{
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pageNumber.Increment();
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return new PageTreeNode(nodeDictionaryInput, referenceInput, true, pageNumber.PageCount).WithChildren(EmptyArray<PageTreeNode>.Instance);
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}
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//If we got here, we have to iterate till we manage to exit
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// Attempt to detect (and break) any infinite loop (IL) by recording the ids of the last 1000 (by default) tokens processed.
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const int InfiniteLoopWorkingWindow = 1000;
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var visitedTokens = new Dictionary<long, HashSet<int>>(); // Quick lookup containing ids (object number, generation) of tokens already processed (trimmed as we go to last 1000 (by default))
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var visitedTokensWorkingWindow = new Queue<(long ObjectNumber, int Generation)>(InfiniteLoopWorkingWindow);
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var toProcess =
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new Queue<(PageTreeNode thisPage, IndirectReference reference, DictionaryToken nodeDictionary, IndirectReference parentReference,
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List<PageTreeNode> nodeChildren)>();
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var firstPage = new PageTreeNode(nodeDictionaryInput, referenceInput, false, null);
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var setChildren = new List<Action>();
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var firstPageChildren = new List<PageTreeNode>();
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setChildren.Add(() => firstPage.WithChildren(firstPageChildren));
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toProcess.Enqueue(
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(thisPage: firstPage, reference: referenceInput, nodeDictionary: nodeDictionaryInput, parentReference: parentReferenceInput,
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nodeChildren: firstPageChildren));
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do
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{
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var current = toProcess.Dequeue();
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#region Break any potential infinite loop
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// Remember the last 1000 (by default) tokens and if we attempt to process again break out of loop
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var currentReferenceObjectNumber = current.reference.ObjectNumber;
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var currentReferenceGeneration = current.reference.Generation;
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if (visitedTokens.ContainsKey(currentReferenceObjectNumber))
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{
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var toBeRemovedFromWorkingHashset = visitedTokensWorkingWindow.Dequeue();
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var toBeRemovedObjectNumber = toBeRemovedFromWorkingHashset.ObjectNumber;
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var toBeRemovedGeneration = toBeRemovedFromWorkingHashset.Generation;
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var generations = visitedTokens[toBeRemovedObjectNumber];
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generations.Remove(toBeRemovedGeneration);
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if (generations.Count == 0)
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var generations = visitedTokens[currentReferenceObjectNumber];
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if (generations.Contains(currentReferenceGeneration))
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{
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visitedTokens.Remove(toBeRemovedObjectNumber);
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var listOfLastVisitedToken = visitedTokensWorkingWindow.ToList();
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var indexOfCurrentTokenInListOfLastVisitedToken = listOfLastVisitedToken.IndexOf((currentReferenceObjectNumber, currentReferenceGeneration));
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var howManyTokensBack = Math.Abs(indexOfCurrentTokenInListOfLastVisitedToken - listOfLastVisitedToken.Count); //eg initate loop is taking us back to last token or five token back
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System.Diagnostics.Debug.WriteLine($"Break infinite loop while processing page {pageNumber.PageCount + 1} tokens. Token with object number {currentReferenceObjectNumber} and generation {currentReferenceGeneration} processed {howManyTokensBack} token(s) back.");
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continue; // don't reprocess token already processed. break infinite loop. Issue #519
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}
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else
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{
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visitedTokens[toBeRemovedObjectNumber] = generations;
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generations.Add(currentReferenceGeneration);
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visitedTokens[currentReferenceObjectNumber] = generations;
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}
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}
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}
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#endregion
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if (!current.nodeDictionary.TryGet(NameToken.Kids, pdfTokenScanner, out ArrayToken kids))
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{
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if (!isLenientParsing)
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{
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throw new PdfDocumentFormatException($"Pages node in the document pages tree did not define a kids array: {current.nodeDictionary}.");
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}
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kids = new ArrayToken(EmptyArray<IToken>.Instance);
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}
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foreach (var kid in kids.Data)
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{
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if (!(kid is IndirectReferenceToken kidRef))
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{
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throw new PdfDocumentFormatException($"Kids array contained invalid entry (must be indirect reference): {kid}.");
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}
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if (!DirectObjectFinder.TryGet(kidRef, pdfTokenScanner, out DictionaryToken kidDictionaryToken))
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{
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throw new PdfDocumentFormatException($"Could not find dictionary associated with reference in pages kids array: {kidRef}.");
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}
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bool isChildPage = CheckIfIsPage(kidDictionaryToken, current.reference, false, pdfTokenScanner, isLenientParsing);
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if (isChildPage)
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{
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var kidPageNode =
|
||||
new PageTreeNode(kidDictionaryToken, kidRef.Data, true, pageNumber.PageCount).WithChildren(EmptyArray<PageTreeNode>.Instance);
|
||||
current.nodeChildren.Add(kidPageNode);
|
||||
}
|
||||
else
|
||||
{
|
||||
var kidChildNode = new PageTreeNode(kidDictionaryToken, kidRef.Data, false, null);
|
||||
var kidChildren = new List<PageTreeNode>();
|
||||
toProcess.Enqueue(
|
||||
(thisPage: kidChildNode, reference: kidRef.Data, nodeDictionary: kidDictionaryToken, parentReference: current.reference,
|
||||
nodeChildren: kidChildren));
|
||||
visitedTokens.Add(currentReferenceObjectNumber, new HashSet<int>() { currentReferenceGeneration });
|
||||
|
||||
setChildren.Add(() => kidChildNode.WithChildren(kidChildren));
|
||||
|
||||
current.nodeChildren.Add(kidChildNode);
|
||||
visitedTokensWorkingWindow.Enqueue((currentReferenceObjectNumber, currentReferenceGeneration));
|
||||
if (visitedTokensWorkingWindow.Count >= InfiniteLoopWorkingWindow)
|
||||
{
|
||||
var toBeRemovedFromWorkingHashset = visitedTokensWorkingWindow.Dequeue();
|
||||
var toBeRemovedObjectNumber = toBeRemovedFromWorkingHashset.ObjectNumber;
|
||||
var toBeRemovedGeneration = toBeRemovedFromWorkingHashset.Generation;
|
||||
var generations = visitedTokens[toBeRemovedObjectNumber];
|
||||
generations.Remove(toBeRemovedGeneration);
|
||||
if (generations.Count == 0)
|
||||
{
|
||||
visitedTokens.Remove(toBeRemovedObjectNumber);
|
||||
}
|
||||
else
|
||||
{
|
||||
visitedTokens[toBeRemovedObjectNumber] = generations;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
} while (toProcess.Count > 0);
|
||||
#endregion
|
||||
if (!current.nodeDictionary.TryGet(NameToken.Kids, pdfTokenScanner, out ArrayToken kids))
|
||||
{
|
||||
if (!isLenientParsing)
|
||||
{
|
||||
throw new PdfDocumentFormatException($"Pages node in the document pages tree did not define a kids array: {current.nodeDictionary}.");
|
||||
}
|
||||
|
||||
foreach (var action in setChildren)
|
||||
{
|
||||
action();
|
||||
}
|
||||
kids = new ArrayToken(EmptyArray<IToken>.Instance);
|
||||
}
|
||||
|
||||
foreach (var child in firstPage.Children.ToRecursiveOrderList(x=>x.Children).Where(child => child.IsPage))
|
||||
{
|
||||
pageNumber.Increment();
|
||||
child.PageNumber = pageNumber.PageCount;
|
||||
}
|
||||
foreach (var kid in kids.Data)
|
||||
{
|
||||
if (!(kid is IndirectReferenceToken kidRef))
|
||||
{
|
||||
throw new PdfDocumentFormatException($"Kids array contained invalid entry (must be indirect reference): {kid}.");
|
||||
}
|
||||
|
||||
return firstPage;
|
||||
}
|
||||
if (!DirectObjectFinder.TryGet(kidRef, pdfTokenScanner, out DictionaryToken kidDictionaryToken))
|
||||
{
|
||||
throw new PdfDocumentFormatException($"Could not find dictionary associated with reference in pages kids array: {kidRef}.");
|
||||
}
|
||||
|
||||
private static bool CheckIfIsPage(DictionaryToken nodeDictionary, IndirectReference parentReference, bool isRoot, IPdfTokenScanner pdfTokenScanner, bool isLenientParsing)
|
||||
{
|
||||
var isPage = false;
|
||||
bool isChildPage = CheckIfIsPage(kidDictionaryToken, current.reference, false, pdfTokenScanner, isLenientParsing);
|
||||
|
||||
if (!nodeDictionary.TryGet(NameToken.Type, pdfTokenScanner, out NameToken type))
|
||||
{
|
||||
if (!isLenientParsing) { throw new PdfDocumentFormatException($"Node in the document pages tree did not define a type: {nodeDictionary}."); }
|
||||
if (isChildPage)
|
||||
{
|
||||
var kidPageNode =
|
||||
new PageTreeNode(kidDictionaryToken, kidRef.Data, true, pageNumber.PageCount).WithChildren(EmptyArray<PageTreeNode>.Instance);
|
||||
current.nodeChildren.Add(kidPageNode);
|
||||
}
|
||||
else
|
||||
{
|
||||
var kidChildNode = new PageTreeNode(kidDictionaryToken, kidRef.Data, false, null);
|
||||
var kidChildren = new List<PageTreeNode>();
|
||||
toProcess.Enqueue(
|
||||
(thisPage: kidChildNode, reference: kidRef.Data, nodeDictionary: kidDictionaryToken, parentReference: current.reference,
|
||||
nodeChildren: kidChildren));
|
||||
|
||||
if (!nodeDictionary.TryGet(NameToken.Kids, pdfTokenScanner, out ArrayToken _)) { isPage = true; }
|
||||
}
|
||||
else
|
||||
{
|
||||
isPage = type.Equals(NameToken.Page);
|
||||
setChildren.Add(() => kidChildNode.WithChildren(kidChildren));
|
||||
|
||||
if (!isPage && !type.Equals(NameToken.Pages) && !isLenientParsing) { throw new PdfDocumentFormatException($"Node in the document pages tree defined invalid type: {nodeDictionary}."); }
|
||||
}
|
||||
current.nodeChildren.Add(kidChildNode);
|
||||
}
|
||||
}
|
||||
} while (toProcess.Count > 0);
|
||||
|
||||
if (!isLenientParsing && !isRoot)
|
||||
{
|
||||
if (!nodeDictionary.TryGet(NameToken.Parent, pdfTokenScanner, out IndirectReferenceToken parentReferenceToken)) { throw new PdfDocumentFormatException($"Could not find parent indirect reference token on pages tree node: {nodeDictionary}."); }
|
||||
|
||||
if (!parentReferenceToken.Data.Equals(parentReference)) { throw new PdfDocumentFormatException($"Pages tree node parent reference {parentReferenceToken.Data} did not match actual parent {parentReference}."); }
|
||||
}
|
||||
|
||||
return isPage;
|
||||
}
|
||||
|
||||
private static void PopulatePageByNumberDictionary(PageTreeNode node, Dictionary<int, PageTreeNode> result)
|
||||
{
|
||||
if (node.IsPage)
|
||||
{
|
||||
if (!node.PageNumber.HasValue)
|
||||
foreach (var action in setChildren)
|
||||
{
|
||||
throw new InvalidOperationException($"Node was page but did not have page number: {node}.");
|
||||
action();
|
||||
}
|
||||
|
||||
result[node.PageNumber.Value] = node;
|
||||
return;
|
||||
foreach (var child in firstPage.Children.ToRecursiveOrderList(x => x.Children).Where(child => child.IsPage))
|
||||
{
|
||||
pageNumber.Increment();
|
||||
child.PageNumber = pageNumber.PageCount;
|
||||
}
|
||||
|
||||
return firstPage;
|
||||
}
|
||||
|
||||
foreach (var child in node.Children)
|
||||
private static bool CheckIfIsPage(DictionaryToken nodeDictionary, IndirectReference parentReference, bool isRoot, IPdfTokenScanner pdfTokenScanner, bool isLenientParsing)
|
||||
{
|
||||
PopulatePageByNumberDictionary(child, result);
|
||||
var isPage = false;
|
||||
|
||||
if (!nodeDictionary.TryGet(NameToken.Type, pdfTokenScanner, out NameToken type))
|
||||
{
|
||||
if (!isLenientParsing) { throw new PdfDocumentFormatException($"Node in the document pages tree did not define a type: {nodeDictionary}."); }
|
||||
|
||||
if (!nodeDictionary.TryGet(NameToken.Kids, pdfTokenScanner, out ArrayToken _)) { isPage = true; }
|
||||
}
|
||||
else
|
||||
{
|
||||
isPage = type.Equals(NameToken.Page);
|
||||
|
||||
if (!isPage && !type.Equals(NameToken.Pages) && !isLenientParsing) { throw new PdfDocumentFormatException($"Node in the document pages tree defined invalid type: {nodeDictionary}."); }
|
||||
}
|
||||
|
||||
if (!isLenientParsing && !isRoot)
|
||||
{
|
||||
if (!nodeDictionary.TryGet(NameToken.Parent, pdfTokenScanner, out IndirectReferenceToken parentReferenceToken)) { throw new PdfDocumentFormatException($"Could not find parent indirect reference token on pages tree node: {nodeDictionary}."); }
|
||||
|
||||
if (!parentReferenceToken.Data.Equals(parentReference)) { throw new PdfDocumentFormatException($"Pages tree node parent reference {parentReferenceToken.Data} did not match actual parent {parentReference}."); }
|
||||
}
|
||||
|
||||
return isPage;
|
||||
}
|
||||
|
||||
private static void PopulatePageByNumberDictionary(PageTreeNode node, Dictionary<int, PageTreeNode> result)
|
||||
{
|
||||
if (node.IsPage)
|
||||
{
|
||||
if (!node.PageNumber.HasValue)
|
||||
{
|
||||
throw new InvalidOperationException($"Node was page but did not have page number: {node}.");
|
||||
}
|
||||
|
||||
result[node.PageNumber.Value] = node;
|
||||
return;
|
||||
}
|
||||
|
||||
foreach (var child in node.Children)
|
||||
{
|
||||
PopulatePageByNumberDictionary(child, result);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
@ -1,44 +1,45 @@
|
||||
namespace UglyToad.PdfPig.Outline;
|
||||
|
||||
using Content;
|
||||
using Destinations;
|
||||
using Logging;
|
||||
using System.Collections.Generic;
|
||||
using Tokens;
|
||||
|
||||
/// <summary>
|
||||
/// Named destinations in a PDF document
|
||||
/// </summary>
|
||||
internal class NamedDestinations
|
||||
namespace UglyToad.PdfPig.Outline
|
||||
{
|
||||
/// <summary>
|
||||
/// Dictionary containing explicit destinations, keyed by name
|
||||
/// </summary>
|
||||
private readonly IReadOnlyDictionary<string, ExplicitDestination> namedDestinations;
|
||||
using Content;
|
||||
using Destinations;
|
||||
using Logging;
|
||||
using System.Collections.Generic;
|
||||
using Tokens;
|
||||
|
||||
/// <summary>
|
||||
/// Pages are required for getting explicit destinations
|
||||
/// Named destinations in a PDF document
|
||||
/// </summary>
|
||||
private readonly Pages pages;
|
||||
internal class NamedDestinations
|
||||
{
|
||||
/// <summary>
|
||||
/// Dictionary containing explicit destinations, keyed by name
|
||||
/// </summary>
|
||||
private readonly IReadOnlyDictionary<string, ExplicitDestination> namedDestinations;
|
||||
|
||||
/// <summary>
|
||||
/// Constructor
|
||||
/// </summary>
|
||||
/// <param name="namedDestinations"></param>
|
||||
/// <param name="pages"></param>
|
||||
internal NamedDestinations(IReadOnlyDictionary<string, ExplicitDestination> namedDestinations, Pages pages)
|
||||
{
|
||||
this.namedDestinations = namedDestinations;
|
||||
this.pages = pages;
|
||||
}
|
||||
|
||||
internal bool TryGet(string name, out ExplicitDestination destination)
|
||||
{
|
||||
return namedDestinations.TryGetValue(name, out destination);
|
||||
}
|
||||
/// <summary>
|
||||
/// Pages are required for getting explicit destinations
|
||||
/// </summary>
|
||||
private readonly Pages pages;
|
||||
|
||||
internal bool TryGetExplicitDestination(ArrayToken explicitDestinationArray, ILog log, bool isRemoteDestination, out ExplicitDestination destination)
|
||||
{
|
||||
return NamedDestinationsProvider.TryGetExplicitDestination(explicitDestinationArray, pages, log, isRemoteDestination, out destination);
|
||||
/// <summary>
|
||||
/// Constructor
|
||||
/// </summary>
|
||||
/// <param name="namedDestinations"></param>
|
||||
/// <param name="pages"></param>
|
||||
internal NamedDestinations(IReadOnlyDictionary<string, ExplicitDestination> namedDestinations, Pages pages)
|
||||
{
|
||||
this.namedDestinations = namedDestinations;
|
||||
this.pages = pages;
|
||||
}
|
||||
|
||||
internal bool TryGet(string name, out ExplicitDestination destination)
|
||||
{
|
||||
return namedDestinations.TryGetValue(name, out destination);
|
||||
}
|
||||
|
||||
internal bool TryGetExplicitDestination(ArrayToken explicitDestinationArray, ILog log, bool isRemoteDestination, out ExplicitDestination destination)
|
||||
{
|
||||
return NamedDestinationsProvider.TryGetExplicitDestination(explicitDestinationArray, pages, log, isRemoteDestination, out destination);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
@ -1,220 +1,221 @@
|
||||
namespace UglyToad.PdfPig.Outline;
|
||||
|
||||
using Content;
|
||||
using Destinations;
|
||||
using Logging;
|
||||
using Parser.Parts;
|
||||
using System.Collections.Generic;
|
||||
using Tokenization.Scanner;
|
||||
using Tokens;
|
||||
|
||||
internal static class NamedDestinationsProvider
|
||||
namespace UglyToad.PdfPig.Outline
|
||||
{
|
||||
internal static NamedDestinations Read(DictionaryToken catalogDictionary, IPdfTokenScanner pdfScanner, Pages pages, ILog log)
|
||||
using Content;
|
||||
using Destinations;
|
||||
using Logging;
|
||||
using Parser.Parts;
|
||||
using System.Collections.Generic;
|
||||
using Tokenization.Scanner;
|
||||
using Tokens;
|
||||
|
||||
internal static class NamedDestinationsProvider
|
||||
{
|
||||
var destinationsByName = new Dictionary<string, ExplicitDestination>();
|
||||
|
||||
if (catalogDictionary.TryGet(NameToken.Dests, pdfScanner, out DictionaryToken destinations))
|
||||
internal static NamedDestinations Read(DictionaryToken catalogDictionary, IPdfTokenScanner pdfScanner, Pages pages, ILog log)
|
||||
{
|
||||
/*
|
||||
* In PDF 1.1, the correspondence between name objects and destinations is defined by the /Dests entry in the document catalog.
|
||||
* The value of this entry is a dictionary in which each key is a destination name and the corresponding value is either an array
|
||||
* defining the destination, using the explicit destination syntax, or a dictionary with a /D entry whose value is such an array.
|
||||
*/
|
||||
foreach (var kvp in destinations.Data)
|
||||
{
|
||||
var value = kvp.Value;
|
||||
var destinationsByName = new Dictionary<string, ExplicitDestination>();
|
||||
|
||||
if (TryReadExplicitDestination(value, pdfScanner, pages, log, false, out var destination))
|
||||
if (catalogDictionary.TryGet(NameToken.Dests, pdfScanner, out DictionaryToken destinations))
|
||||
{
|
||||
/*
|
||||
* In PDF 1.1, the correspondence between name objects and destinations is defined by the /Dests entry in the document catalog.
|
||||
* The value of this entry is a dictionary in which each key is a destination name and the corresponding value is either an array
|
||||
* defining the destination, using the explicit destination syntax, or a dictionary with a /D entry whose value is such an array.
|
||||
*/
|
||||
foreach (var kvp in destinations.Data)
|
||||
{
|
||||
destinationsByName[kvp.Key] = destination;
|
||||
var value = kvp.Value;
|
||||
|
||||
if (TryReadExplicitDestination(value, pdfScanner, pages, log, false, out var destination))
|
||||
{
|
||||
destinationsByName[kvp.Key] = destination;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
else if (catalogDictionary.TryGet(NameToken.Names, pdfScanner, out DictionaryToken names)
|
||||
&& names.TryGet(NameToken.Dests, pdfScanner, out destinations))
|
||||
{
|
||||
/*
|
||||
* In PDF 1.2, the correspondence between strings and destinations is defined by the /Dests entry in the document's name dictionary.
|
||||
* The value of the /Dests entry is a name tree mapping name strings to destinations.
|
||||
* The keys in the name tree may be treated as text strings for display purposes.
|
||||
* The destination value associated with a key in the name tree may be either an array or a dictionary.
|
||||
*/
|
||||
NameTreeParser.FlattenNameTree(destinations, pdfScanner, value =>
|
||||
else if (catalogDictionary.TryGet(NameToken.Names, pdfScanner, out DictionaryToken names)
|
||||
&& names.TryGet(NameToken.Dests, pdfScanner, out destinations))
|
||||
{
|
||||
if (TryReadExplicitDestination(value, pdfScanner, pages, log, false, out var destination))
|
||||
/*
|
||||
* In PDF 1.2, the correspondence between strings and destinations is defined by the /Dests entry in the document's name dictionary.
|
||||
* The value of the /Dests entry is a name tree mapping name strings to destinations.
|
||||
* The keys in the name tree may be treated as text strings for display purposes.
|
||||
* The destination value associated with a key in the name tree may be either an array or a dictionary.
|
||||
*/
|
||||
NameTreeParser.FlattenNameTree(destinations, pdfScanner, value =>
|
||||
{
|
||||
return destination;
|
||||
}
|
||||
if (TryReadExplicitDestination(value, pdfScanner, pages, log, false, out var destination))
|
||||
{
|
||||
return destination;
|
||||
}
|
||||
|
||||
return null;
|
||||
}, destinationsByName);
|
||||
return null;
|
||||
}, destinationsByName);
|
||||
}
|
||||
|
||||
return new NamedDestinations(destinationsByName, pages);
|
||||
}
|
||||
|
||||
return new NamedDestinations(destinationsByName, pages);
|
||||
}
|
||||
|
||||
private static bool TryReadExplicitDestination(IToken value, IPdfTokenScanner pdfScanner, Pages pages, ILog log, bool isRemoteDestination, out ExplicitDestination destination)
|
||||
{
|
||||
destination = null;
|
||||
|
||||
if (DirectObjectFinder.TryGet(value, pdfScanner, out ArrayToken valueArray)
|
||||
&& TryGetExplicitDestination(valueArray, pages, log, isRemoteDestination, out destination))
|
||||
private static bool TryReadExplicitDestination(IToken value, IPdfTokenScanner pdfScanner, Pages pages, ILog log, bool isRemoteDestination, out ExplicitDestination destination)
|
||||
{
|
||||
return true;
|
||||
}
|
||||
destination = null;
|
||||
|
||||
if (DirectObjectFinder.TryGet(value, pdfScanner, out DictionaryToken valueDictionary)
|
||||
&& valueDictionary.TryGet(NameToken.D, pdfScanner, out valueArray)
|
||||
&& TryGetExplicitDestination(valueArray, pages, log, isRemoteDestination, out destination))
|
||||
{
|
||||
return true;
|
||||
}
|
||||
if (DirectObjectFinder.TryGet(value, pdfScanner, out ArrayToken valueArray)
|
||||
&& TryGetExplicitDestination(valueArray, pages, log, isRemoteDestination, out destination))
|
||||
{
|
||||
return true;
|
||||
}
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
internal static bool TryGetExplicitDestination(ArrayToken explicitDestinationArray, Pages pages, ILog log, bool isRemoteDestination, out ExplicitDestination destination)
|
||||
{
|
||||
destination = null;
|
||||
if (DirectObjectFinder.TryGet(value, pdfScanner, out DictionaryToken valueDictionary)
|
||||
&& valueDictionary.TryGet(NameToken.D, pdfScanner, out valueArray)
|
||||
&& TryGetExplicitDestination(valueArray, pages, log, isRemoteDestination, out destination))
|
||||
{
|
||||
return true;
|
||||
}
|
||||
|
||||
if (explicitDestinationArray == null || explicitDestinationArray.Length == 0)
|
||||
{
|
||||
return false;
|
||||
}
|
||||
|
||||
int pageNumber;
|
||||
|
||||
var pageToken = explicitDestinationArray[0];
|
||||
|
||||
if (pageToken is IndirectReferenceToken pageIndirectReferenceToken)
|
||||
internal static bool TryGetExplicitDestination(ArrayToken explicitDestinationArray, Pages pages, ILog log, bool isRemoteDestination, out ExplicitDestination destination)
|
||||
{
|
||||
if (isRemoteDestination)
|
||||
destination = null;
|
||||
|
||||
if (explicitDestinationArray == null || explicitDestinationArray.Length == 0)
|
||||
{
|
||||
// Table 8.50 Remote Go-To Actions
|
||||
var errorMessage = $"{nameof(TryGetExplicitDestination)} Cannot use indirect reference for remote destination.";
|
||||
return false;
|
||||
}
|
||||
|
||||
int pageNumber;
|
||||
|
||||
var pageToken = explicitDestinationArray[0];
|
||||
|
||||
if (pageToken is IndirectReferenceToken pageIndirectReferenceToken)
|
||||
{
|
||||
if (isRemoteDestination)
|
||||
{
|
||||
// Table 8.50 Remote Go-To Actions
|
||||
var errorMessage = $"{nameof(TryGetExplicitDestination)} Cannot use indirect reference for remote destination.";
|
||||
log?.Error(errorMessage);
|
||||
return false;
|
||||
}
|
||||
var page = pages.GetPageByReference(pageIndirectReferenceToken.Data);
|
||||
if (page?.PageNumber == null)
|
||||
{
|
||||
return false;
|
||||
}
|
||||
|
||||
pageNumber = page.PageNumber.Value;
|
||||
}
|
||||
else if (pageToken is NumericToken pageNumericToken)
|
||||
{
|
||||
pageNumber = pageNumericToken.Int + 1;
|
||||
}
|
||||
else
|
||||
{
|
||||
var errorMessage = $"{nameof(TryGetExplicitDestination)} No page number given in 'Dest': '{explicitDestinationArray}'.";
|
||||
|
||||
log?.Error(errorMessage);
|
||||
|
||||
return false;
|
||||
}
|
||||
var page = pages.GetPageByReference(pageIndirectReferenceToken.Data);
|
||||
if (page?.PageNumber == null)
|
||||
|
||||
NameToken destTypeToken = null;
|
||||
if (explicitDestinationArray.Length > 1)
|
||||
{
|
||||
return false;
|
||||
destTypeToken = explicitDestinationArray[1] as NameToken;
|
||||
}
|
||||
if (destTypeToken == null)
|
||||
{
|
||||
var errorMessage = $"Missing name token as second argument to explicit destination: {explicitDestinationArray}.";
|
||||
|
||||
log?.Error(errorMessage);
|
||||
|
||||
destination = new ExplicitDestination(pageNumber, ExplicitDestinationType.FitPage, ExplicitDestinationCoordinates.Empty);
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
pageNumber = page.PageNumber.Value;
|
||||
}
|
||||
else if (pageToken is NumericToken pageNumericToken)
|
||||
{
|
||||
pageNumber = pageNumericToken.Int + 1;
|
||||
}
|
||||
else
|
||||
{
|
||||
var errorMessage = $"{nameof(TryGetExplicitDestination)} No page number given in 'Dest': '{explicitDestinationArray}'.";
|
||||
if (destTypeToken.Equals(NameToken.XYZ))
|
||||
{
|
||||
// [page /XYZ left top zoom]
|
||||
var left = explicitDestinationArray[2] as NumericToken;
|
||||
var top = explicitDestinationArray[3] as NumericToken;
|
||||
|
||||
log?.Error(errorMessage);
|
||||
destination = new ExplicitDestination(pageNumber, ExplicitDestinationType.XyzCoordinates,
|
||||
new ExplicitDestinationCoordinates(left?.Data, top?.Data));
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
if (destTypeToken.Equals(NameToken.Fit))
|
||||
{
|
||||
// [page /Fit]
|
||||
destination = new ExplicitDestination(pageNumber, ExplicitDestinationType.FitPage,
|
||||
ExplicitDestinationCoordinates.Empty);
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
if (destTypeToken.Equals(NameToken.FitH))
|
||||
{
|
||||
// [page /FitH top]
|
||||
var top = explicitDestinationArray[2] as NumericToken;
|
||||
destination = new ExplicitDestination(pageNumber, ExplicitDestinationType.FitHorizontally,
|
||||
new ExplicitDestinationCoordinates(null, top?.Data));
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
if (destTypeToken.Equals(NameToken.FitV))
|
||||
{
|
||||
// [page /FitV left]
|
||||
var left = explicitDestinationArray[2] as NumericToken;
|
||||
destination = new ExplicitDestination(pageNumber, ExplicitDestinationType.FitVertically,
|
||||
new ExplicitDestinationCoordinates(left?.Data));
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
if (destTypeToken.Equals(NameToken.FitR))
|
||||
{
|
||||
// [page /FitR left bottom right top]
|
||||
var left = explicitDestinationArray[2] as NumericToken;
|
||||
var bottom = explicitDestinationArray[3] as NumericToken;
|
||||
var right = explicitDestinationArray[4] as NumericToken;
|
||||
var top = explicitDestinationArray[5] as NumericToken;
|
||||
|
||||
destination = new ExplicitDestination(pageNumber, ExplicitDestinationType.FitRectangle,
|
||||
new ExplicitDestinationCoordinates(left?.Data, top?.Data, right?.Data, bottom?.Data));
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
if (destTypeToken.Equals(NameToken.FitB))
|
||||
{
|
||||
// [page /FitB]
|
||||
destination = new ExplicitDestination(pageNumber, ExplicitDestinationType.FitBoundingBox,
|
||||
ExplicitDestinationCoordinates.Empty);
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
if (destTypeToken.Equals(NameToken.FitBH))
|
||||
{
|
||||
// [page /FitBH top]
|
||||
destination = new ExplicitDestination(pageNumber, ExplicitDestinationType.FitBoundingBoxHorizontally,
|
||||
new ExplicitDestinationCoordinates(null, (explicitDestinationArray[2] as NumericToken)?.Data));
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
if (destTypeToken.Equals(NameToken.FitBV))
|
||||
{
|
||||
// [page /FitBV left]
|
||||
destination = new ExplicitDestination(pageNumber, ExplicitDestinationType.FitBoundingBoxVertically,
|
||||
new ExplicitDestinationCoordinates((explicitDestinationArray[2] as NumericToken)?.Data));
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
NameToken destTypeToken = null;
|
||||
if (explicitDestinationArray.Length > 1)
|
||||
{
|
||||
destTypeToken = explicitDestinationArray[1] as NameToken;
|
||||
}
|
||||
if (destTypeToken == null)
|
||||
{
|
||||
var errorMessage = $"Missing name token as second argument to explicit destination: {explicitDestinationArray}.";
|
||||
|
||||
log?.Error(errorMessage);
|
||||
|
||||
destination = new ExplicitDestination(pageNumber, ExplicitDestinationType.FitPage, ExplicitDestinationCoordinates.Empty);
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
if (destTypeToken.Equals(NameToken.XYZ))
|
||||
{
|
||||
// [page /XYZ left top zoom]
|
||||
var left = explicitDestinationArray[2] as NumericToken;
|
||||
var top = explicitDestinationArray[3] as NumericToken;
|
||||
|
||||
destination = new ExplicitDestination(pageNumber, ExplicitDestinationType.XyzCoordinates,
|
||||
new ExplicitDestinationCoordinates(left?.Data, top?.Data));
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
if (destTypeToken.Equals(NameToken.Fit))
|
||||
{
|
||||
// [page /Fit]
|
||||
destination = new ExplicitDestination(pageNumber, ExplicitDestinationType.FitPage,
|
||||
ExplicitDestinationCoordinates.Empty);
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
if (destTypeToken.Equals(NameToken.FitH))
|
||||
{
|
||||
// [page /FitH top]
|
||||
var top = explicitDestinationArray[2] as NumericToken;
|
||||
destination = new ExplicitDestination(pageNumber, ExplicitDestinationType.FitHorizontally,
|
||||
new ExplicitDestinationCoordinates(null, top?.Data));
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
if (destTypeToken.Equals(NameToken.FitV))
|
||||
{
|
||||
// [page /FitV left]
|
||||
var left = explicitDestinationArray[2] as NumericToken;
|
||||
destination = new ExplicitDestination(pageNumber, ExplicitDestinationType.FitVertically,
|
||||
new ExplicitDestinationCoordinates(left?.Data));
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
if (destTypeToken.Equals(NameToken.FitR))
|
||||
{
|
||||
// [page /FitR left bottom right top]
|
||||
var left = explicitDestinationArray[2] as NumericToken;
|
||||
var bottom = explicitDestinationArray[3] as NumericToken;
|
||||
var right = explicitDestinationArray[4] as NumericToken;
|
||||
var top = explicitDestinationArray[5] as NumericToken;
|
||||
|
||||
destination = new ExplicitDestination(pageNumber, ExplicitDestinationType.FitRectangle,
|
||||
new ExplicitDestinationCoordinates(left?.Data, top?.Data, right?.Data, bottom?.Data));
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
if (destTypeToken.Equals(NameToken.FitB))
|
||||
{
|
||||
// [page /FitB]
|
||||
destination = new ExplicitDestination(pageNumber, ExplicitDestinationType.FitBoundingBox,
|
||||
ExplicitDestinationCoordinates.Empty);
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
if (destTypeToken.Equals(NameToken.FitBH))
|
||||
{
|
||||
// [page /FitBH top]
|
||||
destination = new ExplicitDestination(pageNumber, ExplicitDestinationType.FitBoundingBoxHorizontally,
|
||||
new ExplicitDestinationCoordinates(null, (explicitDestinationArray[2] as NumericToken)?.Data));
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
if (destTypeToken.Equals(NameToken.FitBV))
|
||||
{
|
||||
// [page /FitBV left]
|
||||
destination = new ExplicitDestination(pageNumber, ExplicitDestinationType.FitBoundingBoxVertically,
|
||||
new ExplicitDestinationCoordinates((explicitDestinationArray[2] as NumericToken)?.Data));
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
return false;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
@ -1,33 +1,34 @@
|
||||
namespace UglyToad.PdfPig.Outline;
|
||||
|
||||
using Destinations;
|
||||
using System;
|
||||
using System.Collections.Generic;
|
||||
|
||||
/// <inheritdoc />
|
||||
/// <summary>
|
||||
/// A node in the <see cref="Bookmarks" /> of a PDF document which corresponds
|
||||
/// to a location in an embedded file.
|
||||
/// </summary>
|
||||
public class EmbeddedBookmarkNode : DocumentBookmarkNode
|
||||
namespace UglyToad.PdfPig.Outline
|
||||
{
|
||||
/// <summary>
|
||||
/// The file specification for the embedded file
|
||||
/// </summary>
|
||||
public string FileSpecification { get; }
|
||||
using Destinations;
|
||||
using System;
|
||||
using System.Collections.Generic;
|
||||
|
||||
/// <inheritdoc />
|
||||
/// <summary>
|
||||
/// Create a new <see cref="ExternalBookmarkNode" />.
|
||||
/// A node in the <see cref="Bookmarks" /> of a PDF document which corresponds
|
||||
/// to a location in an embedded file.
|
||||
/// </summary>
|
||||
public EmbeddedBookmarkNode(string title, int level, ExplicitDestination destination, IReadOnlyList<BookmarkNode> children, string fileSpecification) : base(title, level, destination, children)
|
||||
public class EmbeddedBookmarkNode : DocumentBookmarkNode
|
||||
{
|
||||
FileSpecification = fileSpecification ?? throw new ArgumentNullException(nameof(fileSpecification));
|
||||
}
|
||||
/// <summary>
|
||||
/// The file specification for the embedded file
|
||||
/// </summary>
|
||||
public string FileSpecification { get; }
|
||||
|
||||
/// <inheritdoc />
|
||||
public override string ToString()
|
||||
{
|
||||
return $"Embedded file '{FileSpecification}', {Level}, {Title}";
|
||||
/// <inheritdoc />
|
||||
/// <summary>
|
||||
/// Create a new <see cref="ExternalBookmarkNode" />.
|
||||
/// </summary>
|
||||
public EmbeddedBookmarkNode(string title, int level, ExplicitDestination destination, IReadOnlyList<BookmarkNode> children, string fileSpecification) : base(title, level, destination, children)
|
||||
{
|
||||
FileSpecification = fileSpecification ?? throw new ArgumentNullException(nameof(fileSpecification));
|
||||
}
|
||||
|
||||
/// <inheritdoc />
|
||||
public override string ToString()
|
||||
{
|
||||
return $"Embedded file '{FileSpecification}', {Level}, {Title}";
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user