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On Monday 22 March 2004 20:29, Marius Mauch wrote: |
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> On Mon, 22 Mar 2004 15:08:02 +0100 |
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> |
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> Paul de Vrieze <pauldv@g.o> wrote: |
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> > Parsing metadata.xml for search is actually easier than parsing |
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> > ebuilds for the same (there are more ebuilds to start with). One |
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> > could even use grep as a preselection feature to faster get |
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> > candidates in which to look better (read actually parse the xml). |
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> |
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> But we still have to parse the ebuild for stuff like SRC_URI, so |
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> parsing metadata.xml is an additional operation, and wether you need |
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> one or 10 variables from the ebuild is irrelevant for performance. And |
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> SRC_URI is nearly always subject to variable substitution, so moving |
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> it to metadata.xml is not an option. |
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|
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For a search you only need to parse the ebuild that actually contains the |
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keyword. The majority of time is spend with those packages that do not |
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contain the searched on keyword. That is also why a two-step strategy |
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would work by first limiting the set of candidate packages with a simple |
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grep and only then using more strict xml based searching. |
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|
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Paul |
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|
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- -- |
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Paul de Vrieze |
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Gentoo Developer |
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Mail: pauldv@g.o |
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Homepage: http://www.devrieze.net |
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-- |
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