51 lines
1.6 KiB
Awk
51 lines
1.6 KiB
Awk
BEGIN {
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toc_str = "<ol class=\"toc\">\n"
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has_toc = 0
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}
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{
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lines[++n] = $0
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if ($0 ~ /<pre>/) in_pre = 1
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if (!in_pre && $0 ~ /\{\{TOC\}\}/) {
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has_toc = 1
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toc_lines[n] = 1
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}
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if ($0 ~ /<\/pre>/) in_pre = 0
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if (match($0, /<h[23][^>]*>/)) {
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tag_len = RLENGTH
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title_start = RSTART + tag_len
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title_str = substr($0, title_start)
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title_end = index(title_str, "</h")
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if (title_end > 0) {
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title = substr(title_str, 1, title_end - 1)
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gsub(/<[^>]+>/, "", title)
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# extract id
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id_start = match($0, /id="[^"]*"/)
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if (id_start > 0) {
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id_str = substr($0, id_start + 4)
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id_end = index(id_str, "\"")
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id = substr(id_str, 1, id_end - 1)
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# what tag? level
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level = substr($0, match($0, /<h[23]/) + 2, 1)
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if (level == "2") {
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toc_str = toc_str "<li class=\"toc-h2\"><a href=\"#" id "\">" title "</a></li>\n"
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} else if (level == "3") {
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toc_str = toc_str "<li class=\"toc-h3\"><a href=\"#" id "\">" title "</a></li>\n"
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}
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}
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}
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}
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}
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END {
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toc_str = toc_str "</ol>"
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for (i = 1; i <= n; i++) {
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if (has_toc && toc_lines[i] && lines[i] ~ /^[[:space:]]*\{\{TOC\}\}[[:space:]]*$/) {
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toc_lines[i] = 0 # Mark as processed if we want, but not strictly needed
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sub(/\{\{TOC\}\}/, toc_str, lines[i])
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}
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print lines[i]
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}
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}
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