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- #region --------------- Copyright Dresser Wayne Pignone -------------
- #endregion
- using System;
- using System.Text;
- using System.Diagnostics.CodeAnalysis;
- namespace Wayne.Lib.Log
- {
-
-
-
-
- public class StringLogObject : ILogObject
- {
- #region Fields
- private object[] logObjects;
- private string format;
- private IFormatProvider provider;
- #endregion
- #region Construction
-
-
-
-
- [SuppressMessage("Microsoft.Naming", "CA1720:IdentifiersShouldNotContainTypeNames", MessageId = "objects")]
- public StringLogObject(params object[] logObjects)
- {
- this.logObjects = logObjects;
- }
-
-
-
-
-
-
- public StringLogObject(string format, IFormatProvider provider, Array array)
- {
- this.format = format;
- this.provider = provider;
- this.logObjects = new object[] { array };
- }
-
-
-
-
-
-
- [SuppressMessage("Microsoft.Naming", "CA1720:IdentifiersShouldNotContainTypeNames", MessageId = "objects")]
- public StringLogObject(string format, IFormatProvider provider, params object[] logObjects)
- {
- this.format = format;
- this.provider = provider;
- this.logObjects = logObjects;
- }
- #endregion
- #region Properties
- bool ILogObject.UsesFormat
- {
- get { return true; }
- }
- string ILogObject.Format
- {
- get { return format; }
- set { format = value; }
- }
- IFormatProvider ILogObject.Provider
- {
- get { return provider; }
- set { provider = value; }
- }
- #endregion
- #region Methods
-
-
-
-
-
-
-
-
- void ILogObject.AppendToStringBuilder(LogWriter logWriter, StringBuilder output,
- int indentLength, ref bool isFirstLine, ref string indent)
- {
- foreach (object logObject in logObjects)
- AppendObjectToStringBuilder(logObject, output, logWriter, indentLength, ref isFirstLine, ref indent, format, provider);
- }
- #endregion
- #region Static Support Methods
-
-
-
-
-
-
-
-
-
- internal static void AppendObjectToStringBuilder(object logObject, StringBuilder output, LogWriter logWriter,
- int indentLength, ref bool isFirstLine, ref string indent)
- {
- AppendObjectToStringBuilder(logObject, output, logWriter, indentLength,
- ref isFirstLine, ref indent, null, null);
- }
-
-
-
-
-
-
-
-
-
-
-
- private static void AppendObjectToStringBuilder(object logObject, StringBuilder output, LogWriter logWriter,
- int indentLength, ref bool isFirstLine, ref string indent, string format, IFormatProvider provider)
- {
-
- ILogObject iLogObject = logObject as ILogObject;
- if (iLogObject != null)
- {
- if (iLogObject.UsesFormat && (format != null) && (iLogObject.Format == null))
- {
-
- iLogObject.Format = format;
- iLogObject.Provider = provider;
- }
- iLogObject.AppendToStringBuilder(logWriter, output, indentLength, ref isFirstLine, ref indent);
- }
- else
- {
- string[] logLines = logObject as string[];
- if (logLines != null)
- {
-
- AppendStringsToStringBuilder(logLines, output, logWriter, indentLength, ref isFirstLine, ref indent);
- }
- else
- {
- Array logObjectArray = logObject as Array;
- if (logObjectArray != null)
- {
-
- if (format != null)
- {
-
- StringBuilder arrayBuilder = new StringBuilder();
- bool firstItem = true;
- foreach (object logObjectItem in logObjectArray)
- {
-
- if (firstItem)
- {
- firstItem = false;
- arrayBuilder.Append(" ");
- }
- else
- arrayBuilder.Append(", ");
-
- IFormattable formattableItem = logObjectItem as IFormattable;
- if (formattableItem != null)
- arrayBuilder.Append(formattableItem.ToString(format, provider));
- else
- arrayBuilder.Append(logObjectItem.ToString());
- }
- AppendStringToStringBuilder(arrayBuilder.ToString(), output, logWriter, indentLength, ref isFirstLine, ref indent);
- }
- else
- {
-
- foreach (object arrayItem in logObjectArray)
- AppendObjectToStringBuilder(arrayItem, output, logWriter, indentLength, ref isFirstLine, ref indent);
- }
- }
- else
- {
- if (format != null)
- {
- IFormattable formattableItem = logObject as IFormattable;
- if (formattableItem != null)
- {
-
- try
- {
- AppendStringToStringBuilder(formattableItem.ToString(format, provider), output, logWriter, indentLength, ref isFirstLine, ref indent);
- }
- catch (FormatException)
- {
-
- AppendStringToStringBuilder(logObject.ToString(), output, logWriter, indentLength, ref isFirstLine, ref indent);
- }
- }
- else
- {
-
- AppendStringToStringBuilder(logObject.ToString(), output, logWriter, indentLength, ref isFirstLine, ref indent);
- }
- }
- else
- {
-
- if (logObject != null)
- AppendStringToStringBuilder(logObject.ToString(), output, logWriter, indentLength, ref isFirstLine, ref indent);
- else
- AppendStringToStringBuilder("null", output, logWriter, indentLength, ref isFirstLine, ref indent);
- }
- }
- }
- }
- }
-
-
-
-
-
-
-
-
-
- internal static void AppendStringToStringBuilder(string logString, StringBuilder output,
- LogWriter logWriter, int indentLength, ref bool isFirstLine, ref string indent)
- {
-
- if (logString.IndexOf("\r\n", StringComparison.Ordinal) > -1)
- {
-
- string[] logLines = logString.Replace("\r\n", "\uFFFF").Split('\uFFFF');
- AppendStringsToStringBuilder(logLines, output, logWriter, indentLength, ref isFirstLine, ref indent);
- }
- else
- {
- if (isFirstLine)
- isFirstLine = false;
- else
- AppendIndent(output, indentLength, ref indent);
- output.Append(logString);
- output.Append("\r\n");
- }
- }
-
-
-
-
-
-
-
-
-
- internal static void AppendStringsToStringBuilder(string[] logLines, StringBuilder output,
- LogWriter logWriter, int indentLength, ref bool isFirstLine, ref string indent)
- {
-
- int logLinesLength = logLines.Length;
- for (int i = logLines.Length - 1; i >= 0; i--)
- {
- if (string.IsNullOrEmpty(logLines[i]))
- logLinesLength--;
- else
- break;
- }
-
- if (logLinesLength > 1)
- {
- for (int i = 0; i < logLinesLength; i++)
- AppendStringToStringBuilder(logLines[i], output, logWriter, indentLength, ref isFirstLine, ref indent);
- }
- else if (logLinesLength == 1)
- AppendStringToStringBuilder(logLines[0], output, logWriter, indentLength, ref isFirstLine, ref indent);
- }
-
-
-
-
-
-
- internal static void EnsureIndent(int indentLength, ref string indent)
- {
- if (indent == null)
- indent = Strings.Indent(indentLength, true);
- }
-
-
-
-
-
-
-
- internal static void AppendIndent(StringBuilder output, int indentLength, ref string indent)
- {
- EnsureIndent(indentLength, ref indent);
- output.Append(indent);
- }
- #endregion
- }
- }
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