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a/src/query/wasastringtoquery.cpp |
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b/src/query/wasastringtoquery.cpp |
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| 112 |
*/
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*/
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/* The master regular expression used to parse a query string
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/* The master regular expression used to parse a query string
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* Sub-expressions in parenthesis are numbered from 1. Each opening
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* Sub-expressions in parenthesis are numbered from 1. Each opening
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* parenthesis increases the index, but we're not interested in all
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* parenthesis increases the index, but we're not interested in all
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* Deviations from standard:
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* Relation: the standard-conformant line read as (release<1.16):
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"(:|=|<|>|<=|>=)" //7 Relation
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but we are not actually making use of the relation type
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(interpreting all as ":"), and this can product unexpected results
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as a (ie pasted) search for nonexfield=value will silently drop
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the nonexfield part, while the user probably was not aware of
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triggering a field search (expecting just ':' to do this).
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*/
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*/
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static const char * parserExpr =
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static const char * parserExpr =
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"(OR|\\|\\|)[[:space:]]*" //1 OR,||
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"(OR|\\|\\|)[[:space:]]*" //1 OR,||
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"|"
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"|"
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"(AND|&&)[[:space:]]*" // 2 AND,&& (ignored, default)
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"(AND|&&)[[:space:]]*" // 2 AND,&& (ignored, default)
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... |
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| 123 |
"(" //3
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"(" //3
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"([+-])?" //4 Force or exclude indicator
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"([+-])?" //4 Force or exclude indicator
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"(" //5
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"(" //5
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"([[:alpha:]][[:alnum:]:]*)" //6 Field spec: ie: "dc:title:letitre"
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"([[:alpha:]][[:alnum:]:]*)" //6 Field spec: ie: "dc:title:letitre"
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"[[:space:]]*"
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"[[:space:]]*"
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"(:|=|<|>|<=|>=)" //7 Relation
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"(:)" //7 Relation
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"[[:space:]]*)?"
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"[[:space:]]*)?"
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"(" //8
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"(" //8
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"(\"" //9
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"(\"" //9
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"([^\"]+)" //10 "A quoted term"
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"([^\"]+)" //10 "A quoted term"
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"\")"
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"\")"
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