Code:
/ Dotnetfx_Vista_SP2 / Dotnetfx_Vista_SP2 / 8.0.50727.4016 / DEVDIV / depot / DevDiv / releases / Orcas / QFE / ndp / fx / src / DataEntity / System / Data / EntitySqlException.cs / 1 / EntitySqlException.cs
//----------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
//
// @owner [....], [....]
//---------------------------------------------------------------------
//#define CLEAN_INTERNALS_FROM_STACK
namespace System.Data
{
using System;
using System.IO;
using System.Data.Common.EntitySql;
using System.Globalization;
using System.Runtime.Serialization;
using System.Security.Permissions;
using System.Diagnostics;
using System.Text;
///
/// Represents an eSql Query compilation exception;
/// The class of exceptional conditions that may cause this exception to be raised are mainly:
/// 1) Syntax Errors: raised during query text parsing and when a given query does not conform to eSql formal grammar;
/// 2) Semantic Errors: raised when semantic rules of eSql language are not met such as metadata or schema information
/// not accurate or not present, type validation errors, scoping rule violations, user of undefined variables, etc.
/// For more information, see eSql Language Spec.
///
[Serializable]
public sealed class EntitySqlException : EntityException
{
#region Private Fields
///
/// represents the full error message containing the error description, the error context if available, line
/// and column number if available.
///
private string _message;
///
/// error message description.
///
private string _errorDescription;
///
/// information about the context where the error occurred
///
private string _errorContext;
///
/// error line number
///
private int _line;
///
/// error column number
///
private int _column;
#endregion
#region Public Constructors
///
/// initializes a new instance of EntityException with the generic error message
///
public EntitySqlException()
: this(System.Data.Entity.Strings.GeneralQueryError)
{
HResult = HResults.InvalidQuery;
}
///
/// initializes a new instance of EntityException with a given message
///
///
public EntitySqlException( string message )
{
_message = message;
HResult = HResults.InvalidQuery;
}
///
/// initializes a new instance of EntityException with a given message and innerException instance
///
///
///
public EntitySqlException( string message, Exception innerException )
: base(message,innerException)
{
_message = message;
HResult = HResults.InvalidQuery;
}
///
/// initializes a new instance EntityException with a given SerializationInfo and StreamingContext
///
///
///
private EntitySqlException( SerializationInfo serializationInfo, StreamingContext streamingContext )
: base(serializationInfo, streamingContext)
{
HResult = HResults.InvalidQuery;
}
#endregion
#region Internal Constructors
///
/// initializes a new instance EntityException with an ErrorContext instance and a given error message
///
internal static EntitySqlException Create(ErrorContext errCtx, string errorMessage, Exception innerException)
{
return EntitySqlException.Create(errCtx.QueryText, errorMessage, errCtx.InputPosition, errCtx.ErrorContextInfo, errCtx.UseContextInfoAsResourceIdentifier, innerException);
}
///
/// initializes a new instance EntityException with contextual information to allow detailed error feedback
///
internal static EntitySqlException Create( string queryText,
string errorDescription,
int errorPosition,
string errorContextInfo,
bool loadErrorContextFromResource,
Exception innerException)
{
string errorContext;
int line;
int column;
string errorMessage;
if (loadErrorContextFromResource)
{
errorContext = (null != errorContextInfo) ? EntityRes.GetString(errorContextInfo) : String.Empty;
}
else
{
errorContext = errorContextInfo;
}
errorMessage = FormatQueryError(queryText,
errorDescription,
errorPosition,
errorContext,
out line,
out column);
return new EntitySqlException(errorMessage, errorDescription, errorContext, line, column, innerException);
}
///
/// core constructor
///
private EntitySqlException( string message, string errorDescription, string errorContext, int line, int column, Exception innerException )
: base(message,innerException)
{
_message = message;
_errorDescription = errorDescription;
_errorContext = errorContext;
_line = line;
_column = column;
HResult = HResults.InvalidQuery;
}
#endregion
#region Public Properties
///
/// Gets the full error message containing the error description, the error context if available, line
/// and column numbers if available
///
public override string Message
{
get
{
return _message ?? String.Empty;
}
}
///
/// Gets the error description explaining the reason why the query was not accepted or an empty String.Empty
///
public string ErrorDescription
{
get
{
return _errorDescription ?? String.Empty;
}
}
///
/// Gets the aproximate context where the error occurred if available.
///
public string ErrorContext
{
get
{
return _errorContext ?? String.Empty;
}
}
///
/// Returns the the aproximate line number where the error occurred
///
public int Line
{
get { return _line; }
}
///
/// Returns the the aproximate column number where the error occurred
///
public int Column
{
get { return _column; }
}
#endregion
#region Private helpers
///
/// formats error message adding query context to exception message
///
/// original query text
/// error message
/// error position in the input stream
/// optional additional information
/// aproximate line number where the error occurred
/// aproximate column number where the error occurred
/// string error message in the format: error such and such[,near [additional information,] line ddd, column ddd].
private static string FormatQueryError( string queryText,
string errorMessage,
int errPos,
string additionalInfo,
out int lineNumber,
out int columnNumber )
{
lineNumber = columnNumber = 0;
if (null == queryText)
{
return (errorMessage ?? String.Empty);
}
Debug.Assert(errPos > -1, "position in input stream cannot be < 0");
Debug.Assert(errPos <= queryText.Length, "position in input stream cannot be greater than query text size");
//
// replace control chars and newLines for single representation characters
//
StringBuilder sb = new StringBuilder(queryText.Length);
for (int i = 0; i < queryText.Length; i++)
{
Char c = queryText[i];
if (CqlLexer.IsNewLine(c))
{
c = '\n';
}
else if ((Char.IsControl(c) || Char.IsWhiteSpace(c)) && ('\r' != c))
{
c = ' ';
}
sb.Append(c);
}
queryText = sb.ToString().TrimEnd(new char[] {'\n' });
//
// now compute line and column
//
int colNum = errPos;
int linNum = 1;
string[] queryLines = queryText.Split(new char[] {'\n' }, StringSplitOptions.None);
for(int i=0; i< queryLines.Length; i++)
{
if (colNum < queryLines[i].Length)
{
break;
}
colNum -= (queryLines[i].Length + 1);
linNum++;
}
colNum++;
//
// Message format: error such and such[,near [additional information,] line ddd, column ddd].
//
sb = new Text.StringBuilder();
sb.Append(errorMessage);
bool wasNearTermUsed = false;
if ( !String.IsNullOrEmpty(additionalInfo))
{
wasNearTermUsed = true;
sb.AppendFormat(CultureInfo.CurrentCulture, ", {0}", System.Data.Entity.Strings.LocalizedNear);
sb.AppendFormat(CultureInfo.CurrentCulture, " {0}", additionalInfo);
}
if (0 < errPos)
{
if (wasNearTermUsed)
{
sb.Append(",");
}
else
{
sb.AppendFormat(CultureInfo.CurrentCulture, ", {0}", System.Data.Entity.Strings.LocalizedNear);
}
sb.AppendFormat(CultureInfo.CurrentCulture,
" {0} {1}, {2} {3}",
System.Data.Entity.Strings.LocalizedLine,
linNum,
System.Data.Entity.Strings.LocalizedColumn,
colNum);
}
lineNumber = linNum;
columnNumber = colNum;
return sb.Append(".").ToString();
}
#endregion
#region ISerializable implementation
///
/// sets the System.Runtime.Serialization.SerializationInfo
/// with information about the exception.
///
/// The System.Runtime.Serialization.SerializationInfo that holds the serialized
/// object data about the exception being thrown.
///
///
[SecurityPermissionAttribute(SecurityAction.Demand, SerializationFormatter = true)]
public override void GetObjectData( SerializationInfo info, StreamingContext context )
{
base.GetObjectData(info, context);
info.AddValue("Message", _message);
info.AddValue("ErrorDescription", _errorDescription);
info.AddValue("ErrorContext", _errorContext);
info.AddValue("Line", _line);
info.AddValue("Column", _column);
}
#endregion
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
//----------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
//
// @owner [....], [....]
//---------------------------------------------------------------------
//#define CLEAN_INTERNALS_FROM_STACK
namespace System.Data
{
using System;
using System.IO;
using System.Data.Common.EntitySql;
using System.Globalization;
using System.Runtime.Serialization;
using System.Security.Permissions;
using System.Diagnostics;
using System.Text;
///
/// Represents an eSql Query compilation exception;
/// The class of exceptional conditions that may cause this exception to be raised are mainly:
/// 1) Syntax Errors: raised during query text parsing and when a given query does not conform to eSql formal grammar;
/// 2) Semantic Errors: raised when semantic rules of eSql language are not met such as metadata or schema information
/// not accurate or not present, type validation errors, scoping rule violations, user of undefined variables, etc.
/// For more information, see eSql Language Spec.
///
[Serializable]
public sealed class EntitySqlException : EntityException
{
#region Private Fields
///
/// represents the full error message containing the error description, the error context if available, line
/// and column number if available.
///
private string _message;
///
/// error message description.
///
private string _errorDescription;
///
/// information about the context where the error occurred
///
private string _errorContext;
///
/// error line number
///
private int _line;
///
/// error column number
///
private int _column;
#endregion
#region Public Constructors
///
/// initializes a new instance of EntityException with the generic error message
///
public EntitySqlException()
: this(System.Data.Entity.Strings.GeneralQueryError)
{
HResult = HResults.InvalidQuery;
}
///
/// initializes a new instance of EntityException with a given message
///
///
public EntitySqlException( string message )
{
_message = message;
HResult = HResults.InvalidQuery;
}
///
/// initializes a new instance of EntityException with a given message and innerException instance
///
///
///
public EntitySqlException( string message, Exception innerException )
: base(message,innerException)
{
_message = message;
HResult = HResults.InvalidQuery;
}
///
/// initializes a new instance EntityException with a given SerializationInfo and StreamingContext
///
///
///
private EntitySqlException( SerializationInfo serializationInfo, StreamingContext streamingContext )
: base(serializationInfo, streamingContext)
{
HResult = HResults.InvalidQuery;
}
#endregion
#region Internal Constructors
///
/// initializes a new instance EntityException with an ErrorContext instance and a given error message
///
internal static EntitySqlException Create(ErrorContext errCtx, string errorMessage, Exception innerException)
{
return EntitySqlException.Create(errCtx.QueryText, errorMessage, errCtx.InputPosition, errCtx.ErrorContextInfo, errCtx.UseContextInfoAsResourceIdentifier, innerException);
}
///
/// initializes a new instance EntityException with contextual information to allow detailed error feedback
///
internal static EntitySqlException Create( string queryText,
string errorDescription,
int errorPosition,
string errorContextInfo,
bool loadErrorContextFromResource,
Exception innerException)
{
string errorContext;
int line;
int column;
string errorMessage;
if (loadErrorContextFromResource)
{
errorContext = (null != errorContextInfo) ? EntityRes.GetString(errorContextInfo) : String.Empty;
}
else
{
errorContext = errorContextInfo;
}
errorMessage = FormatQueryError(queryText,
errorDescription,
errorPosition,
errorContext,
out line,
out column);
return new EntitySqlException(errorMessage, errorDescription, errorContext, line, column, innerException);
}
///
/// core constructor
///
private EntitySqlException( string message, string errorDescription, string errorContext, int line, int column, Exception innerException )
: base(message,innerException)
{
_message = message;
_errorDescription = errorDescription;
_errorContext = errorContext;
_line = line;
_column = column;
HResult = HResults.InvalidQuery;
}
#endregion
#region Public Properties
///
/// Gets the full error message containing the error description, the error context if available, line
/// and column numbers if available
///
public override string Message
{
get
{
return _message ?? String.Empty;
}
}
///
/// Gets the error description explaining the reason why the query was not accepted or an empty String.Empty
///
public string ErrorDescription
{
get
{
return _errorDescription ?? String.Empty;
}
}
///
/// Gets the aproximate context where the error occurred if available.
///
public string ErrorContext
{
get
{
return _errorContext ?? String.Empty;
}
}
///
/// Returns the the aproximate line number where the error occurred
///
public int Line
{
get { return _line; }
}
///
/// Returns the the aproximate column number where the error occurred
///
public int Column
{
get { return _column; }
}
#endregion
#region Private helpers
///
/// formats error message adding query context to exception message
///
/// original query text
/// error message
/// error position in the input stream
/// optional additional information
/// aproximate line number where the error occurred
/// aproximate column number where the error occurred
/// string error message in the format: error such and such[,near [additional information,] line ddd, column ddd].
private static string FormatQueryError( string queryText,
string errorMessage,
int errPos,
string additionalInfo,
out int lineNumber,
out int columnNumber )
{
lineNumber = columnNumber = 0;
if (null == queryText)
{
return (errorMessage ?? String.Empty);
}
Debug.Assert(errPos > -1, "position in input stream cannot be < 0");
Debug.Assert(errPos <= queryText.Length, "position in input stream cannot be greater than query text size");
//
// replace control chars and newLines for single representation characters
//
StringBuilder sb = new StringBuilder(queryText.Length);
for (int i = 0; i < queryText.Length; i++)
{
Char c = queryText[i];
if (CqlLexer.IsNewLine(c))
{
c = '\n';
}
else if ((Char.IsControl(c) || Char.IsWhiteSpace(c)) && ('\r' != c))
{
c = ' ';
}
sb.Append(c);
}
queryText = sb.ToString().TrimEnd(new char[] {'\n' });
//
// now compute line and column
//
int colNum = errPos;
int linNum = 1;
string[] queryLines = queryText.Split(new char[] {'\n' }, StringSplitOptions.None);
for(int i=0; i< queryLines.Length; i++)
{
if (colNum < queryLines[i].Length)
{
break;
}
colNum -= (queryLines[i].Length + 1);
linNum++;
}
colNum++;
//
// Message format: error such and such[,near [additional information,] line ddd, column ddd].
//
sb = new Text.StringBuilder();
sb.Append(errorMessage);
bool wasNearTermUsed = false;
if ( !String.IsNullOrEmpty(additionalInfo))
{
wasNearTermUsed = true;
sb.AppendFormat(CultureInfo.CurrentCulture, ", {0}", System.Data.Entity.Strings.LocalizedNear);
sb.AppendFormat(CultureInfo.CurrentCulture, " {0}", additionalInfo);
}
if (0 < errPos)
{
if (wasNearTermUsed)
{
sb.Append(",");
}
else
{
sb.AppendFormat(CultureInfo.CurrentCulture, ", {0}", System.Data.Entity.Strings.LocalizedNear);
}
sb.AppendFormat(CultureInfo.CurrentCulture,
" {0} {1}, {2} {3}",
System.Data.Entity.Strings.LocalizedLine,
linNum,
System.Data.Entity.Strings.LocalizedColumn,
colNum);
}
lineNumber = linNum;
columnNumber = colNum;
return sb.Append(".").ToString();
}
#endregion
#region ISerializable implementation
///
/// sets the System.Runtime.Serialization.SerializationInfo
/// with information about the exception.
///
/// The System.Runtime.Serialization.SerializationInfo that holds the serialized
/// object data about the exception being thrown.
///
///
[SecurityPermissionAttribute(SecurityAction.Demand, SerializationFormatter = true)]
public override void GetObjectData( SerializationInfo info, StreamingContext context )
{
base.GetObjectData(info, context);
info.AddValue("Message", _message);
info.AddValue("ErrorDescription", _errorDescription);
info.AddValue("ErrorContext", _errorContext);
info.AddValue("Line", _line);
info.AddValue("Column", _column);
}
#endregion
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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