59 lines
2.0 KiB
Racket
59 lines
2.0 KiB
Racket
#lang racket/base
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;; Preserve, as in Fruit Preserve, as in a remarkably weak pun on pickling/dehydration etc
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(provide (all-from-out "record.rkt")
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(all-from-out "float.rkt")
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(all-from-out "annotation.rkt")
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(all-from-out "order.rkt")
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(all-from-out "read-binary.rkt")
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(all-from-out "read-text.rkt")
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(all-from-out "write-binary.rkt")
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(all-from-out "write-text.rkt")
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detect-preserve-syntax
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read-preserve
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file->preserves)
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(require racket/match)
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(require (only-in racket/file file->list))
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(require "record.rkt")
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(require "float.rkt")
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(require "annotation.rkt")
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(require "order.rkt")
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(require "read-binary.rkt")
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(require "read-text.rkt")
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(require "write-binary.rkt")
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(require "write-text.rkt")
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(define (detect-preserve-syntax [in-port (current-input-port)])
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(define b (peek-byte in-port))
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(cond [(eof-object? b) b]
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[(<= #x80 b #xBF) 'binary]
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[else 'text]))
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(define (read-preserve [in-port (current-input-port)]
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#:read-syntax? [read-syntax? #f]
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#:decode-embedded [decode-embedded #f]
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#:source [source (object-name in-port)])
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(match (detect-preserve-syntax in-port)
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[(? eof-object? e) e]
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['binary (read-preserve/binary in-port
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#:read-syntax? read-syntax?
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#:decode-embedded decode-embedded)]
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['text (read-preserve/text in-port
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#:read-syntax? read-syntax?
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#:decode-embedded decode-embedded
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#:source source)]))
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(define (file->preserves path
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#:read-syntax? [read-syntax? #f]
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#:decode-embedded [decode-embedded #f])
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(file->list path (lambda (in-port)
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(read-preserve in-port
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#:read-syntax? read-syntax?
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#:decode-embedded decode-embedded
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#:source path))))
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