126 lines
3.4 KiB
Scheme
126 lines
3.4 KiB
Scheme
;;
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;; table.scm
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;;
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;; Table surface API.
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;;
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;; ISC License
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;;
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;; Copyright 2023 Dominik Pantůček <dominik.pantucek@trustica.cz>
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;;
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;; Permission to use, copy, modify, and/or distribute this software
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;; for any purpose with or without fee is hereby granted, provided
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;; that the above copyright notice and this permission notice appear
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;; in all copies.
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;;
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;; THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
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;; WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
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;; WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
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;; AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR
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;; CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
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;; OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
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;; NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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;; CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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;;
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(declare (unit table))
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(module
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table
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(
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*table-border-style*
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print-table
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table->string
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table->string-list
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table->sgr-lists
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)
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(import scheme
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(chicken base)
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(chicken string)
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sgr-list
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sgr-block
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racket-kwargs
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table-processor
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table-border
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table-style
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)
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;; Default table border style to use if not explicitly specified.
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(define *table-border-style* (make-parameter 'unicode))
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(define (print-table . args)
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(print (apply table->string args)))
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(define (table->string . args)
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(string-intersperse
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(apply table->string-list args)
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"\n"))
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(define (table->string-list . args)
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(map sgr-list->string
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(apply table->sgr-lists args)))
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(define (merge-rows ptbl borders col-separators unicode?)
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(let loop ((rows ptbl)
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(borders borders)
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(res '()))
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(if (null? rows)
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(reverse res)
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(loop (cdr rows)
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(cdr borders)
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(cons (table-row-merge (car rows)
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col-separators
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(car borders)
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unicode?)
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res)))))
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(define* (table->sgr-lists tbl
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#:border (border-spec '((none ...) ...))
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#:widths (widths-spec '(0 ...))
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#:width (width #f)
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#:border-style (border-style (*table-border-style*))
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#:unicode? (unicode? (eq? border-style 'unicode))
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#:ansi-reset? (ansi-reset? #f))
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(let-values (((ptbl col-widths)
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(table-prepare tbl width widths-spec)))
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(let* ((num-columns (length (car tbl)))
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(num-rows (length tbl))
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(borders (expand-table-style border-spec num-columns num-rows))
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(col-separators (table-col-separators? borders))
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(rows (merge-rows ptbl borders col-separators unicode?)))
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;;(write rows)(newline)
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(let loop ((rows rows)
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(borders borders)
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(res '())
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(prev-borders #f))
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(if (null? rows)
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(let ((res0 (apply append
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(reverse (if (table-border-between-rows? prev-borders #f)
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(cons (table-rows-border col-widths
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prev-borders
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#f
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col-separators
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unicode?)
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res)
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res)))))
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(if ansi-reset?
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(sgr-block-happend res0
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(make-table-vertical-sgr-block
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(sgr-block-height res0)
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"\x1b[0m"))
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res0))
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(loop (cdr rows)
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(cdr borders)
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(if (table-border-between-rows? prev-borders (car borders))
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(cons (car rows)
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(cons (table-rows-border col-widths
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prev-borders
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(car borders)
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col-separators
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unicode?)
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res))
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(cons (car rows) res))
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(car borders)
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))))))
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)
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