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35 lines
1019 B
35 lines
1019 B
package query
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type QueryParser Peg {
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}
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e <- '\"' condition ( ' '+ and ' '+ condition )* '\"' !.
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condition <- tag ' '* (le ' '* (number / time / date)
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/ ge ' '* (number / time / date)
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/ l ' '* (number / time / date)
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/ g ' '* (number / time / date)
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/ equal ' '* (number / time / date / value)
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/ contains ' '* value
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/ exists
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)
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tag <- < (![ \t\n\r\\()"'=><] .)+ >
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value <- < '\'' (!["'] .)* '\''>
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number <- < ('0'
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/ [1-9] digit* ('.' digit*)?) >
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digit <- [0-9]
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time <- "TIME " < year '-' month '-' day 'T' digit digit ':' digit digit ':' digit digit (('-' / '+') digit digit ':' digit digit / 'Z') >
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date <- "DATE " < year '-' month '-' day >
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year <- ('1' / '2') digit digit digit
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month <- ('0' / '1') digit
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day <- ('0' / '1' / '2' / '3') digit
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and <- "AND"
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equal <- "="
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contains <- "CONTAINS"
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exists <- "EXISTS"
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le <- "<="
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ge <- ">="
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l <- "<"
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g <- ">"
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