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put-string now takes the required optional arguments (same as 

put-bytevector)
This commit is contained in:
Abdulaziz Ghuloum 2009-06-26 10:52:56 +03:00
parent 3d17aa7cf8
commit d2cc4c65a3
2 changed files with 44 additions and 33 deletions
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75
scheme/ikarus.io.ss
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@ -2052,6 +2052,38 @@
;;; ----------------------------------------------------------
(define-syntax put-string/bv
(syntax-rules ()
[(_ who not-a-what pred? len $put)
(case-lambda
[(p bv)
(if (pred? bv)
($put p bv 0 (len bv))
(die who not-a-what bv))]
[(p bv i)
(if (pred? bv)
(if (fixnum? i)
(let ([n (len bv)])
(if (and (fx<= i n) (fx>= i 0))
($put p bv i (fx- n i))
(die who "index out of range" i)))
(die who "invalid index" i))
(die who not-a-what bv))]
[(p bv i c)
(if (pred? bv)
(if (fixnum? i)
(let ([n (len bv)])
(if (and (fx<= i n) (fx>= i 0))
(if (fixnum? c)
(if (and (fx>= c 0) (fx>= (fx- n c) i))
($put p bv i c)
(die who "count out of range" c))
(die who "invalid count" c))
(die who "index out of range" i)))
(die who "invalid index" i))
(die who not-a-what bv))])]))
(module (put-char write-char put-string)
(import UNSAFE)
(define (put-byte! p b who)
@ -2088,16 +2120,18 @@
[(c) (do-put-char (current-output-port) c 'write-char)]))
(define (put-char p c)
(do-put-char p c 'put-char))
(define (put-string p str)
(unless (string? str) (die 'put-string "not a string" str))
(define ($put-string p str start count)
(unless (output-port? p)
(die 'put-string "not an output port" p))
(unless (textual-port? p)
(die 'put-string "not a textual port" p))
(let f ([i 0] [n (string-length str)])
(unless (fx= i n)
(let f ([i start] [j (fx+ start count)])
(unless (fx= i j)
(do-put-char p (string-ref str i) 'put-string)
(f (fx+ i 1) n))))
(f (fx+ i 1) j))))
(define put-string
(put-string/bv 'put-string "not a string"
string? string-length $put-string))
(define (do-put-char p c who)
(unless (char? c) (die who "not a char" c))
(let ([m ($port-fast-attrs p)])
@ -2247,34 +2281,11 @@
(if (output-port? p)
(die who "not a binary port" p)
(die who "not an output port" p))])))
(define put-bytevector
(case-lambda
[(p bv)
(if (bytevector? bv)
($put-bytevector p bv 0 (bytevector-length bv))
(die 'put-bytevector "not a bytevector" bv))]
[(p bv i)
(if (bytevector? bv)
(if (fixnum? i)
(let ([n (bytevector-length bv)])
(if (and (fx<= i n) (fx>= i 0))
($put-bytevector p bv i (fx- n i))
(die 'put-bytevector "index out of range" i)))
(die 'put-bytevector "invalid index" i))
(die 'put-bytevector "not a bytevector" bv))]
[(p bv i c)
(if (bytevector? bv)
(if (fixnum? i)
(let ([n (bytevector-length bv)])
(if (and (fx<= i n) (fx>= i 0))
(if (fixnum? c)
(if (and (fx>= c 0) (fx>= (fx- n c) i))
($put-bytevector p bv i c)
(die 'put-bytevector "count out of range" c))
(die 'put-bytevector "invalid count" c))
(die 'put-bytevector "index out of range" i)))
(die 'put-bytevector "invalid index" i))
(die 'put-bytevector "not a bytevector" bv))]))
(put-string/bv 'put-bytevector "not a bytevector"
bytevector? bytevector-length $put-bytevector))
;;; module
)

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scheme/last-revision
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@ -1 +1 @@
1807
1808