65 lines
2.8 KiB
Bash
Executable File
65 lines
2.8 KiB
Bash
Executable File
#!/bin/sh
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script_dir=$(CDPATH= cd -- "$(dirname -- "$0")" && pwd)
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awk_dir="$script_dir/awk"
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sed_inplace() {
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script="$1"
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file="$2"
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tmp="${file}.tmp.$$"
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sed "$script" "$file" > "$tmp" && mv "$tmp" "$file" || {
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rm -f "$tmp"
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return 1
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}
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}
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temp_file="/tmp/markdown.$$"
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cat "$@" > "$temp_file"
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# Mask
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awk -f "$awk_dir/mask_inline_code.awk" "$temp_file" > "$temp_file.tmp" && mv "$temp_file.tmp" "$temp_file"
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awk -f "$awk_dir/mask_plain.awk" "$temp_file" > "$temp_file.tmp" && mv "$temp_file.tmp" "$temp_file"
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# Reference links
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refs=$(cat "$@" | awk '/^\[[^\]]+\]: +/')
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IFS='
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'
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for ref in $refs; do
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ref_id=$(echo "$ref" | sed 's/^\[\(.*\)\]: .*/\1/')
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ref_url=$(echo "$ref" | sed 's/^\[.*\]: \([^ ]*\).*/\1/')
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ref_title=$(echo "$ref" | sed -n 's/^\[.*\]: [^ ]* "\(.*\)"/\1/p' | sed 's@|@!@g')
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sed_inplace "s|!\[\([^]]*\)\]\[$ref_id\]|<img src=\"$ref_url\" title=\"$ref_title\" alt=\"\1\" />|g" "$temp_file"
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sed_inplace "s|\[\([^]]*\)\]\[$ref_id\]|<a href=\"$ref_url\" title=\"$ref_title\">\1</a>|g" "$temp_file"
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sed_inplace "s|!\[$ref_id\]\[\]|<img src=\"$ref_url\" title=\"$ref_title\" alt=\"$ref_id\" />|g" "$temp_file"
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sed_inplace "s|\[$ref_id\]\[\]|<a href=\"$ref_url\" title=\"$ref_title\">$ref_id</a>|g" "$temp_file"
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done
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sed_inplace "/^\[[^\]]*\]: +/d" "$temp_file"
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# Blocks
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sed_inplace "s/^>!\[/> [!/g" "$temp_file"
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sed_inplace "s/^>\[!/> [!/g" "$temp_file"
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while grep '^>' "$temp_file" >/dev/null; do
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awk -f "$awk_dir/blockquote.awk" "$temp_file" > "$temp_file.tmp" && mv "$temp_file.tmp" "$temp_file"
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done
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awk -f "$awk_dir/blockquote_to_admonition.awk" "$temp_file" > "$temp_file.tmp" && mv "$temp_file.tmp" "$temp_file"
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awk -f "$awk_dir/fenced_code.awk" "$temp_file" > "$temp_file.tmp" && mv "$temp_file.tmp" "$temp_file"
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awk -f "$awk_dir/indented_code.awk" "$temp_file" > "$temp_file.tmp" && mv "$temp_file.tmp" "$temp_file"
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awk -f "$awk_dir/pipe_tables.awk" "$temp_file" > "$temp_file.tmp" && mv "$temp_file.tmp" "$temp_file"
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awk -f "$awk_dir/headers.awk" "$temp_file" > "$temp_file.tmp" && mv "$temp_file.tmp" "$temp_file"
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awk -f "$awk_dir/lists.awk" "$temp_file" > "$temp_file.tmp" && mv "$temp_file.tmp" "$temp_file"
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sed_inplace "s/^\*\*\*+$/<hr \/>/g" "$temp_file"
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sed_inplace "s/^---+$/<hr \/>/g" "$temp_file"
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sed_inplace "s/^___+$/<hr \/>/g" "$temp_file"
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# Spacing
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awk -f "$awk_dir/breaks.awk" "$temp_file" > "$temp_file.tmp" && mv "$temp_file.tmp" "$temp_file"
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awk -f "$awk_dir/paragraphs.awk" "$temp_file" > "$temp_file.tmp" && mv "$temp_file.tmp" "$temp_file"
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# Inline styles
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awk -f "$awk_dir/markdown_inline.awk" "$temp_file" > "$temp_file.tmp" && mv "$temp_file.tmp" "$temp_file"
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awk -v input_file="$1" -v site_root="$MARKDOWN_SITE_ROOT" -v fallback_file="$MARKDOWN_FALLBACK_FILE" -f "$awk_dir/markdown_embed.awk" "$temp_file"
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rm "$temp_file"
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