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95 lines
2.4 KiB
Plaintext
95 lines
2.4 KiB
Plaintext
def _markdown__todisplay: tovalue;
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def _word_break($width):
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def _f($a; $acc; $l):
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( $a[0] as $w
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| ($w // "" | length+1) as $wl
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| if $w == null then $acc
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elif ($l + $wl) >= $width then
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( $acc
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, _f($a[1:]; [$w]; $wl)
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)
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else _f($a[1:]; $acc+[$w]; $l+$wl)
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end
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);
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( [_f([splits("\\s{1,}")]; []; 0)]
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| map(join(" "))
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);
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# for a document output {heading: <heading>, children: [<children until next heading>]}
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# heading can be null for a document with children before a heading
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def _markdown_split_headings:
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foreach
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( .children[]
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, {type:"heading"} # dummy heading to flush
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) as $c
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(
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{heading: null, children: null, extract: null};
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if $c.type == "heading" then
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( .extract = {heading,children}
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| .heading = $c
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| .children = null
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)
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else
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( .children += [$c]
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| .extract = null
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)
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end;
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.extract | select(.heading or .children)
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);
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def _markdown_children_to_text($width):
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def lb: if $width > 0 then _word_break($width) | join("\n") end;
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def _f:
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if type == "string" then gsub("\n"; " ")
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elif .type == "document" then .children[] | _f
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elif .type == "heading" then .children[] | _f
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elif .type == "paragraph" then
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( [.children[] | _f]
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| join("")
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| lb
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)
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elif .type == "link" then
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( ( [ .children[]
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| _f
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]
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| join("")
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) as $text
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| if $text == .destination then $text
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else "\($text) (\(.destination))"
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end
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)
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elif .type == "code_block" then .literal | rtrimstr("\n") | split("\n") | " " + join("\n ")
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elif .type == "code" then .literal
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elif .type == "list" then ([.children[] | _f] | join("\n")) # TODO: delim
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elif .type == "list_item" then "\(.bullet_char) \(.children[] | _f)"
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elif .type == "html_span" then .literal | gsub("<br>"; "\n") # TODO: more?
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else empty
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end;
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[_f] | join("\n");
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def _markdown_to_text($width; $header_depth):
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[ _markdown_split_headings
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| if .heading then
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( (.heading | _markdown_children_to_text($width)) as $h
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| $h
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, ("=" * ($h | length))
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)
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else empty
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end
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, ( .children
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| if length == 0 then ""
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else
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( .[]
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| _markdown_children_to_text($width)
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| select(. != "")
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| .
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, ""
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)
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end
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)
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][:-1] | join("\n");
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def _markdown_to_text:
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_markdown_to_text(-1; 0);
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