Text Library: Search Engine
This library has 11 classes.
ECF: search-engine.ecf
Classes for parsing search terms and searching a list conforming to CHAIN [EL_WORD_SEARCHABLE] using case-insensitive word tokenization.
- Facility to create custom search types.
- Terms can be combined using basic boolean operators.
See myching.software for an example of a commercial application that makes use of this library.
Directory: library/text/search-engine
[ . ]
EL_DATE_AND_WORD_SEARCH_TERM_PARSER
Date and word search term parser
EL_SEARCH_ENGINE
Search engine for word searchable list items conforming to EL_WORD_SEARCHABLE
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EL_SEARCH_TERM_PARSER
Search term parser
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EL_WORD_SEARCHABLE
Word searchable
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EL_WORD_TOKEN_LIST
A tokenized string which forms the basis of a fast full text search engine. The initializing string argument is decomposed into a series of lowercased words ignoring punctuation. The resulting word-list is represented as a series of token id's which are keys into a table of unique words. Each token is of type CHARACTER_32
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EL_WORD_TOKEN_TABLE
A table of unique words used to create tokenized strings or word-lists consisting of a series of keys into the word table.
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condition
EL_CONTAINS_WORDS_CONDITION
Contains words search term
EL_DATE_INTERVAL_CONDITION
Date interval search term
EL_ONE_OF_WORDS_CONDITION
Matches word token search string with any of the ending variations (last token)
persistence
EL_COMMA_SEPARATED_WORDS
A list of comma separated words for use with EL_COMMA_SEPARATED_WORDS_LIST
EL_COMMA_SEPARATED_WORDS_LIST
Comma separated words list storable as a recoverable chain. It's intended use is for making the entries of a EL_WORD_TOKEN_TABLE persistent.
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