ef6/src/Common/DatabaseName.cs at main · dotnet/ef6 · GitHub

Name: ef6/src/Common/DatabaseName.cs at main · dotnet/ef6 · GitHub
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// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.txt in the project root for license information.

#if SQLSERVER
namespaceSystem.Data.Entity.SqlServer.Utilities
#elif SQLSERVERCOMPACT
namespaceSystem.Data.Entity.SqlServerCompact.Utilities
#else
namespaceSystem.Data.Entity.Utilities
#endif
{
usingSystem.Globalization;
usingSystem.Text.RegularExpressions;
usingResources;

internalclassDatabaseName
{
privateconststringNamePartRegex
=@"(?:(?:\[(?<part{0}>(?:(?:\]\])|[^\]])+)\])|(?<part{0}>[^\.\[\]]+))";

privatestaticreadonlyRegex_partExtractor
=newRegex(
string.Format(
CultureInfo.InvariantCulture,
@"^{0}(?:\.{1})?$",
string.Format(CultureInfo.InvariantCulture,NamePartRegex,1),
string.Format(CultureInfo.InvariantCulture,NamePartRegex,2)),
RegexOptions.Compiled);

publicstaticDatabaseNameParse(stringname)
{
DebugCheck.NotEmpty(name);

varmatch=_partExtractor.Match(name.Trim());

if(!match.Success)
{
throwError.InvalidDatabaseName(name);
}

varpart1=match.Groups["part1"].Value.Replace("]]","]");
varpart2=match.Groups["part2"].Value.Replace("]]","]");

return!string.IsNullOrWhiteSpace(part2)
?newDatabaseName(part2,part1)
:newDatabaseName(part1);
}

// Note: This class is currently immutable. If you make it mutable then you
// must ensure that instances are cloned when cloning the DbModelBuilder.
privatereadonlystring_name;
privatereadonlystring_schema;

publicDatabaseName(stringname)
:this(name,null)
{
}

publicDatabaseName(stringname,stringschema)
{
_name=name;
_schema=!string.IsNullOrEmpty(schema)?schema:null;
}

publicstringName
{
get{return_name;}
}

publicstringSchema
{
get{return_schema;}
}

publicoverridestringToString()
{
vars=Escape(_name);

if(_schema!=null)
{
s=Escape(_schema)+"."+s;
}

returns;
}

privatestaticstringEscape(stringname)
{
returnname.IndexOfAny(new[]{']','[','.'})!=-1
?"["+name.Replace("]","]]")+"]"
:name;
}

publicboolEquals(DatabaseNameother)
{
if(ReferenceEquals(null,other))
{
returnfalse;
}

if(ReferenceEquals(this,other))
{
returntrue;
}

returnstring.Equals(other._name,_name,StringComparison.Ordinal)
&&string.Equals(other._schema,_schema,StringComparison.Ordinal);
}

publicoverrideboolEquals(objectobj)
{
if(ReferenceEquals(null,obj))
{
returnfalse;
}

if(ReferenceEquals(this,obj))
{
returntrue;
}

return(obj.GetType()==typeof(DatabaseName))
&&Equals((DatabaseName)obj);
}

publicoverrideintGetHashCode()
{
unchecked
{
return(_name.GetHashCode()*397)^(_schema!=null?_schema.GetHashCode():0);
}
}
}
}