[jsword-devel] Range searches

[DM Smith]

I think that "leading" is clear. It is also "a" range. Feel free to improve the comment.

The technical constraint is that it is not part of a general search and is applied after. Allowing it at the end would also be reasonable.

We don't allow for:
([GEN] Aaron) OR (([MATT] Jesus) AND ([MATT] Mary))
That would take a lot of work.

Which is get all the Aaron references from Genesis and the Matthew references that contain both Jesus and Mary.

We also allow one ~n (where n is a number). This will split the search into two parts and do a verse proximity search.
Aaron ~5 Moses means get all the verses containing Aaron that are within 5 of those mentioning Moses. 
Basically ~5 Moses is converted to a range. The search result for Moses is blurred by 5 and then intersected with Aaron search results.

I might have the logic backward. It may be that Aaron ~5 is converted to the range.

But Aaron~0.5 Moses is a lucene search that applies fuzzy search to Aaron and boosts the search for Aaron.

In Him,
	DM Smith

On Apr 26, 2014, at 8:29 AM, Chris Burrell <chris at burrell.me.uk> wrote:

> The code in question:
> 
> Matcher rangeMatcher = RANGE_PATTERN.matcher(sought);
> 
>    /**
>      * The pattern of a range. This is anything that is contained between a
>      * leading [] (but not containing a [ or ]), with a + or - optional prefix,
>      * perhaps surrounded by whitespace.
>      */
>     private static final Pattern RANGE_PATTERN = Pattern.compile("^\\s*([-+]?)\\[([^\\[\\]]+)\\]\\s*");
> 
> The comment doesn't seem to make clear it should be at the start... Not sure if there is a technical constraint...
> Chris
> 
> 
> 
> 
> On 26 April 2014 13:28, Chris Burrell <chris at burrell.me.uk> wrote:
> Hello
> 
> Just wondering if there is any particular reason for the range pattern to be forced to be the starting block of the query...
> 
> i.e. 
> 
> +[Gen] Abraham (works)
> Abraham +[Gen] (doesn't work).
> 
> Chris
> 
> 
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