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Subject: Re: [boost] Qustion about GSOC Project
From: Hardy (hzithlony_at_[hidden])
Date: 2013-04-20 11:16:32

On 2013/4/20 18:21, Bjorn Reese wrote:
> On 04/20/2013 05:14 AM, Hardy wrote:
>> Further more, the algorithm on idea page, radix sort and data structure,
>> trie is also an good and confident choice for me.
>> could you please give me some suggestion about it?
> I once wrote a radix tree (or trie.) It was a template class, just like
> the other STL containers, which took three template arguments: key
> type, value type, and scanning policy. A custom allocator could be
> added, I just didn't have the need for it.
> The scanning policy is used to parse the key, and I wrote two of those.
> The first was a character scanner, which simply breaks the input string
> into a sequence of characters, and as such it resembles the normal
> trie.
> The second was a namespace scanner, whose input is supposed to be
> namespace string (e.g. "Alpha::Bravo::Chalie") and which breaks the
> input into a sequence of namespace components (e.g. "Alpha", "Bravo",
> "Charlie".)
> It would be easy to supply other scanning policies, such as dot
> separated strings (e.g. "Alpha.Bravo.Charlie" as used by default in
> Boost.PropertyTree), paths (e.g. "Alpha/Bravo/Charlie"), and even
> UTF-8 character scanning.
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Thanks for your information on trie, it's useful for me when considering
what I should choice for my proposal.

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