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Issue 1267 a little C# code simplification

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git-svn-id: https://zxing.googlecode.com/svn/trunk@2293 59b500cc-1b3d-0410-9834-0bbf25fbcc57
This commit is contained in:
srowen 2012-05-14 20:02:01 +00:00
parent 20424b0e4e
commit b0ba223c90
1 changed files with 22 additions and 66 deletions
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88
csharp/client/result/ResultParser.cs
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@ -36,72 +36,28 @@ namespace com.google.zxing.client.result
public static ParsedResult parseResult(Result theResult) public static ParsedResult parseResult(Result theResult)
{ {
// This is a bit messy, but given limited options in MIDP / CLDC, this may well be the simplest // Simplification of original if - if else logic using Null Coalescing operator ??
// way to go about this. For example, we have no reflection available, really. //
// Order is important here. // ?? Simply checks from left to right for a non null object
ParsedResult result; // when an object evaluates to null the next object after the ?? is evaluated
if ((result = BookmarkDoCoMoResultParser.parse(theResult)) != null) // This continues until a non null value is found or the last object is evaluated
{ return
return result; BookmarkDoCoMoResultParser.parse(theResult) as ParsedResult ??
} AddressBookDoCoMoResultParser.parse(theResult) as ParsedResult ??
else if ((result = AddressBookDoCoMoResultParser.parse(theResult)) != null) EmailDoCoMoResultParser.parse(theResult) as ParsedResult ??
{ AddressBookAUResultParser.parse(theResult) as ParsedResult ??
return result; VCardResultParser.parse(theResult) as ParsedResult ??
} BizcardResultParser.parse(theResult) as ParsedResult ??
else if ((result = EmailDoCoMoResultParser.parse(theResult)) != null) VEventResultParser.parse(theResult) as ParsedResult ??
{ EmailAddressResultParser.parse(theResult) as ParsedResult ??
return result; TelResultParser.parse(theResult) as ParsedResult ??
} SMSMMSResultParser.parse(theResult) as ParsedResult ??
else if ((result = AddressBookAUResultParser.parse(theResult)) != null) GeoResultParser.parse(theResult) as ParsedResult ??
{ URLTOResultParser.parse(theResult) as ParsedResult ??
return result; URIResultParser.parse(theResult) as ParsedResult ??
} ISBNResultParser.parse(theResult) as ParsedResult ??
else if ((result = VCardResultParser.parse(theResult)) != null) ProductResultParser.parse(theResult) as ParsedResult ??
{ new TextParsedResult(theResult.Text, null) as ParsedResult;
return result;
}
else if ((result = BizcardResultParser.parse(theResult)) != null)
{
return result;
}
else if ((result = VEventResultParser.parse(theResult)) != null)
{
return result;
}
else if ((result = EmailAddressResultParser.parse(theResult)) != null)
{
return result;
}
else if ((result = TelResultParser.parse(theResult)) != null)
{
return result;
}
else if ((result = SMSMMSResultParser.parse(theResult)) != null)
{
return result;
}
else if ((result = GeoResultParser.parse(theResult)) != null)
{
return result;
}
else if ((result = URLTOResultParser.parse(theResult)) != null)
{
return result;
}
else if ((result = URIResultParser.parse(theResult)) != null)
{
return result;
}
else if ((result = ISBNResultParser.parse(theResult)) != null)
{
// We depend on ISBN parsing coming before UPC, as it is a subset.
return result;
}
else if ((result = ProductResultParser.parse(theResult)) != null)
{
return result;
}
return new TextParsedResult(theResult.Text, null);
} }
protected internal static void maybeAppend(System.String value_Renamed, System.Text.StringBuilder result) protected internal static void maybeAppend(System.String value_Renamed, System.Text.StringBuilder result)