118 lines
4.2 KiB
C#
118 lines
4.2 KiB
C#
#region PDFsharp - A .NET library for processing PDF
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//
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// Authors:
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// Stefan Lange
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//
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// Copyright (c) 2005-2017 empira Software GmbH, Cologne Area (Germany)
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//
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// http://www.pdfsharp.com
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// http://sourceforge.net/projects/pdfsharp
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the "Software"),
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// to deal in the Software without restriction, including without limitation
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// the rights to use, copy, modify, merge, publish, distribute, sublicense,
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// and/or sell copies of the Software, and to permit persons to whom the
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// Software is furnished to do 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
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// in all 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
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// THE 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
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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#endregion
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using System;
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using System.Globalization;
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using PdfSharp.Pdf.Content;
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using PdfSharp.Pdf.IO;
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#if GDI
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using System.Drawing;
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#endif
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#if WPF
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using System.Windows;
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#endif
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namespace PdfSharp.Internal
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{
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enum NotImplementedBehaviour
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{
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DoNothing, Log, Throw
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}
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/// <summary>
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/// A bunch of internal helper functions.
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/// </summary>
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internal static class Diagnostics
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{
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public static NotImplementedBehaviour NotImplementedBehaviour
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{
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get { return _notImplementedBehaviour; }
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set { _notImplementedBehaviour = value; }
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}
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static NotImplementedBehaviour _notImplementedBehaviour;
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}
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internal static class ParserDiagnostics
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{
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public static void ThrowParserException(string message)
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{
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throw new PdfReaderException(message);
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}
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public static void ThrowParserException(string message, Exception innerException)
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{
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throw new PdfReaderException(message, innerException);
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}
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public static void HandleUnexpectedCharacter(char ch)
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{
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// Hex formatting does not work with type char. It must be casted to integer.
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string message = string.Format(CultureInfo.InvariantCulture,
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"Unexpected character '0x{0:x4}' in PDF stream. The file may be corrupted. " +
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"If you think this is a bug in PDFsharp, please send us your PDF file.", (int)ch);
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ThrowParserException(message);
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}
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public static void HandleUnexpectedToken(string token)
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{
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string message = string.Format(CultureInfo.InvariantCulture,
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"Unexpected token '{0}' in PDF stream. The file may be corrupted. " +
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"If you think this is a bug in PDFsharp, please send us your PDF file.", token);
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ThrowParserException(message);
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}
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}
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internal static class ContentReaderDiagnostics
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{
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public static void ThrowContentReaderException(string message)
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{
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throw new ContentReaderException(message);
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}
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public static void ThrowContentReaderException(string message, Exception innerException)
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{
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throw new ContentReaderException(message, innerException);
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}
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public static void ThrowNumberOutOfIntegerRange(long value)
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{
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string message = string.Format(CultureInfo.InvariantCulture, "Number '{0}' out of integer range.", value);
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ThrowContentReaderException(message);
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}
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public static void HandleUnexpectedCharacter(char ch)
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{
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string message = string.Format(CultureInfo.InvariantCulture,
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"Unexpected character '0x{0:x4}' in content stream. The stream may be corrupted or the feature is not implemented. " +
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"If you think this is a bug in PDFsharp, please send us your PDF file.", (int)ch);
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ThrowContentReaderException(message);
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}
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}
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}
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