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#region PDFsharp - A .NET library for processing PDF
//
// Authors:
// Stefan Lange (mailto:Stefan.Lange@pdfsharp.com)
//
// Copyright (c) 2005-2008 empira Software GmbH, Cologne (Germany)
//
// http://www.pdfsharp.com
// http://sourceforge.net/projects/pdfsharp
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
#endregion
using System;
using System.Diagnostics;
using System.Collections;
using System.Text;
using System.IO;
using PdfSharp.Internal;
using PdfSharp.Pdf.IO;
namespace PdfSharp.Pdf
{
/// <summary>
/// Represents an indirect name value. This type is not used by PDFsharp. If it is imported from
/// an external PDF file, the value is converted into a direct object. Acrobat sometime uses indirect
/// names to save space, because an indirect reference to a name may be shorter than a long name.
/// </summary>
[DebuggerDisplay("({Value})")]
public sealed class PdfNameObject : PdfObject
{
/// <summary>
/// Initializes a new instance of the <see cref="PdfNameObject"/> class.
/// </summary>
public PdfNameObject()
{
this.value = "/"; // Empty name.
}
/// <summary>
/// Initializes a new instance of the <see cref="PdfNameObject"/> class.
/// </summary>
/// <param name="document">The document.</param>
/// <param name="value">The value.</param>
public PdfNameObject(PdfDocument document, string value)
: base(document)
{
if (value == null)
throw new ArgumentNullException("value");
if (value.Length == 0 || value[0] != '/')
throw new ArgumentException(PSSR.NameMustStartWithSlash);
this.value = value;
}
/// <summary>
/// Determines whether the specified object is equal to the current object.
/// </summary>
public override bool Equals(object obj)
{
return this.value.Equals(obj);
}
/// <summary>
/// Serves as a hash function for this type.
/// </summary>
public override int GetHashCode()
{
return this.value.GetHashCode();
}
/// <summary>
/// Gets or sets the name value.
/// </summary>
public string Value
{
get { return this.value; }
set { this.value = value; }
}
string value;
/// <summary>
/// Returns the name. The string always begins with a slash.
/// </summary>
public override string ToString()
{
return this.value;
}
/// <summary>
/// Determines whether a name is equal to a string.
/// </summary>
public static bool operator ==(PdfNameObject name, string str)
{
return name.value == str;
}
/// <summary>
/// Determines whether a name is not equal to a string.
/// </summary>
public static bool operator !=(PdfNameObject name, string str)
{
return name.value != str;
}
#if leads_to_ambiguity
public static bool operator ==(string str, PdfName name)
{
return str == name.value;
}
public static bool operator !=(string str, PdfName name)
{
return str == name.value;
}
public static bool operator ==(PdfName name1, PdfName name2)
{
return name1.value == name2.value;
}
public static bool operator !=(PdfName name1, PdfName name2)
{
return name1.value != name2.value;
}
#endif
/// <summary>
/// Writes the name including the leading slash.
/// </summary>
internal override void WriteObject(PdfWriter writer)
{
writer.WriteBeginObject(this);
writer.Write(new PdfName(this.value));
writer.WriteEndObject();
}
}
}
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