142 lines
5.2 KiB
Scheme
142 lines
5.2 KiB
Scheme
(import (chicken string))
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(import test
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(chicken base)
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(chicken format)
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(chicken port)
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(chicken string)
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(chicken io)
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(srfi-34) ;;Exception Handling
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(srfi-35) ;;Exception Types
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(srfi-158) ;;Generators
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)
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(include-relative "../srfi-180.impl.scm")
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(test-group "Whitespace predicate"
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(test "#\\space"
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#t (is-whitespace? #\space)))
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(test-group "JSON Generator"
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(test "Basic test"
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'(array-start 1 2 3 "Hello" object-start "a" 1 object-end array-end)
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(with-input-from-string "[1, 2, 3, \"Hello\", {\"a\", 1}] true [5 4 3 2]"
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(lambda ()
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(let ((generator (json-generator)))
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(let loop ((accu '()))
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(let ((token (generator)))
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(if (not (eof-object? token))
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(loop (cons token accu))
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(reverse accu)))))))))
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(test-group "Array delimiter reading"
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(test "Start delimiter"
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'(array-start " " 1)
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(let-values (((val input charcount nesting-delta) (read-array-start 0 "[" (lambda () " "))))
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(list val input charcount)))
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(test "End delimiter"
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'(array-end " " 9)
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(let-values (((val input charcount nesting-delta) (read-array-end 8 "]" (lambda () " "))))
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(list val input charcount))))
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(test-group "Object delimiter reading"
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(test "Start delimiter"
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'(object-start " " 1)
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(let-values (((val input charcount nesting-delta) (read-object-start 0 "{" (lambda () " "))))
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(list val input charcount)))
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(test "End delimiter"
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'(object-end " " 5)
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(let-values (((val input charcount nesting-delta) (read-object-end 4 "}" (lambda () " "))))
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(list val input charcount))))
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(test-group "Null reading"
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(let ((input '(#\u #\l #\l #\space)))
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(test "Null reading"
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'(null #\space 4)
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(let-values (((val input charcount nesting-delta)
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(read-null-sym 0 #\n (lambda () (let ((next (car input)))
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(set! input (cdr input))
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next)))))
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(list val input charcount)))))
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(test-group "Boolean reading"
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(let ((input '(#\r #\u #\e #\space)))
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(test "True values"
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'(#t #\space 4)
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(let-values (((val input charcount nesting-delta)
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(read-boolean 0 #\t (lambda () (let ((next (car input)))
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(set! input (cdr input))
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next)))))
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(list val input charcount)))))
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(test-group "Number reading"
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(let ((input '(#\2 #\3 #\4 #\space)))
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(test "Integer"
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'(1234 #\space 4)
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(let-values (((val input charcount nesting-delta)
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(read-number 0 #\1 (lambda () (let ((next (car input)))
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(set! input (cdr input))
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next)))))
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(list val input charcount)))))
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(test-group "String reading"
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(let ((input '(#\T #\e #\s #\t #\space #\T #\e #\s #\\ #\" #\t #\" #\space)))
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(test "String"
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'("Test Tes\"t" #\space 13)
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(let-values (((val input charcount nesting-delta)
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(read-string 0 #\" (lambda () (let ((next (car input)))
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(set! input (cdr input))
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next)))))
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(list val input charcount)))))
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(test-group "JSON folding"
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(test "Single value"
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42
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(with-input-from-string "42 25"
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(lambda ()
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(json-fold json-proc array-start array-end object-start object-end '()))))
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(test "Simple array"
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#(24 42 43)
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(with-input-from-string "[24 42 43]"
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(lambda ()
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(json-fold json-proc array-start array-end object-start object-end '()))))
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(test "Nested array"
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#(24 #(42 24) 42)
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(with-input-from-string "[24 [42 24] 42]"
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(lambda ()
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(json-fold json-proc array-start array-end object-start object-end '()))))
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(test "Nested object"
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'(("a" . 1) ("b" . 2) ("c" . (("d" . 4))))
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(with-input-from-string "{\"a\": 1, \"b\": 2, \"c\": {\"d\": 4}}"
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(lambda ()
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(json-fold json-proc array-start array-end object-start object-end '())))))
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(test-group "JSON Accumulator"
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(test "Accumulate a number"
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"1234"
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(with-output-to-string
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(lambda ()
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((json-accumulator) 1234))))
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(test "Accumulate a string"
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"\"Accumulator\""
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(with-output-to-string
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(lambda ()
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((json-accumulator) "Accumulator"))))
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(test "Accumulate a boolean"
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"true"
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(with-output-to-string
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(lambda ()
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((json-accumulator) #t))))
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(test "Accumulate an array"
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"[1, 2, 3, true, null, \"Test\"]"
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(with-output-to-string
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(lambda ()
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((json-accumulator)
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#(1 2 3 #t null "Test")))))
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(test "Accumulate an alist"
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"{\"a\": 1, \"b\": 2}"
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(with-output-to-string
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(lambda ()
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((json-accumulator)
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'((a . 1) (b . 2)))))))
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(test-exit)
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