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@ -34,13 +34,13 @@
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(format "because ~v is not a list" x)
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(let ([bad-attrs (filter (λ(i) (not (txexpr-attr? i))) x)])
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(format "because ~a ~a" (string-join (map (λ(ba) (format "~v" ba)) bad-attrs) " and ") (if (> (length bad-attrs) 1)
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"are not valid txexpr-attrs"
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"is not a valid attr")))))
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"are not valid txexpr-attrs"
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"is not a valid attr")))))
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(match x
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[(list (? txexpr-attr?) ...) x]
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[else [else (error (string-append "validate-txexpr-attrs: "
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(if txexpr-context (format "in ~v, " txexpr-context) "")
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(format "~v is not a valid list of attrs ~a" x (make-reason))))]]))
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(if txexpr-context (format "in ~v, " txexpr-context) "")
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(format "~v is not a valid list of attrs ~a" x (make-reason))))]]))
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(define+provide+safe (txexpr-attrs? x)
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(any/c . -> . boolean?)
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@ -77,12 +77,12 @@
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(define (validate-txexpr-attrs-with-context? e) (validate-txexpr-attrs? e #:context x))
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(when (match x
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[(list (? symbol? name) rest ...) ;; is a list starting with a symbol
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(or (null? rest)
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(andmap txexpr-element? rest) ;; the rest is content or ...
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(and (validate-txexpr-attrs-with-context? (car rest))
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(andmap validate-txexpr-element-with-context? (cdr rest))))] ;; attr + content
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[else (error (format "validate-txexpr: first element is not a symbol in ~v" x))])
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[(list (? symbol?)) #t]
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[(list (? symbol? name) (and attr-list (list (list k v ...) ...)) rest ...)
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(and (validate-txexpr-attrs-with-context? attr-list)
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(andmap validate-txexpr-element-with-context? rest))]
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[(list (? symbol? name) rest ...)(andmap validate-txexpr-element-with-context? rest)]
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[else (error (format "validate-txexpr: first element is not a symbol in ~v" x))])
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x))
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(define+provide+safe (txexpr? x)
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