92 lines
2.8 KiB
Awk
92 lines
2.8 KiB
Awk
function mask(s, t) {
|
|
t = s
|
|
gsub(/\*/, "\034P0\034", t)
|
|
gsub(/_/, "\034P1\034", t)
|
|
gsub(/`/, "\034P2\034", t)
|
|
gsub(/\[/, "\034P3\034", t)
|
|
gsub(/\]/, "\034P4\034", t)
|
|
gsub(/\(/, "\034P5\034", t)
|
|
gsub(/\)/, "\034P6\034", t)
|
|
gsub(/!/, "\034P7\034", t)
|
|
gsub(/\$/, "\034P8\034", t)
|
|
gsub(/#/, "\034P9\034", t)
|
|
gsub(/\+/, "\034P10\034", t)
|
|
gsub(/-/, "\034P11\034", t)
|
|
gsub(/\\/, "\034P12\034", t)
|
|
gsub(/</, "\034P13\034", t)
|
|
gsub(/>/, "\034P14\034", t)
|
|
return t
|
|
}
|
|
{
|
|
# backslash escapes
|
|
gsub(/\\\*/, "\034P0\034")
|
|
gsub(/\\_/, "\034P1\034")
|
|
gsub(/\\`/, "\034P2\034")
|
|
gsub(/\\\[/, "\034P3\034")
|
|
gsub(/\\\]/, "\034P4\034")
|
|
gsub(/\\\(/, "\034P5\034")
|
|
gsub(/\\\)/, "\034P6\034")
|
|
gsub(/\\!/, "\034P7\034")
|
|
gsub(/\\\$/, "\034P8\034")
|
|
gsub(/\\#/, "\034P9\034")
|
|
gsub(/\\\+/, "\034P10\034")
|
|
gsub(/\\\-/, "\034P11\034")
|
|
gsub(/\\\\/, "\034P12\034")
|
|
gsub(/\\</, "\034P13\034")
|
|
gsub(/\\>/, "\034P14\034")
|
|
|
|
# inline code (1 or 2 backticks)
|
|
line = $0
|
|
if (line ~ /^```/) {
|
|
print line
|
|
next
|
|
}
|
|
out = ""
|
|
p = 1
|
|
while (match(substr(line, p), /`+/)) {
|
|
pstart = p + RSTART - 1
|
|
plen = RLENGTH
|
|
|
|
# Found backtick sequence at pstart
|
|
# Search for closing marker of same length
|
|
marker = substr(line, pstart, plen)
|
|
tail = substr(line, pstart + plen)
|
|
mpos = index(tail, marker)
|
|
if (mpos > 0) {
|
|
# Check if it is followed by more backticks
|
|
if (substr(tail, mpos + plen, 1) == "`") {
|
|
# Not a match, treat as literal
|
|
out = out substr(line, p, pstart - p + plen)
|
|
p = pstart + plen
|
|
continue
|
|
}
|
|
|
|
# Found match!
|
|
content = substr(tail, 1, mpos - 1)
|
|
out = out substr(line, p, pstart - p)
|
|
if (plen >= 2 && substr(content, 1, 1) == " " && substr(content, length(content), 1) == " ") {
|
|
content = substr(content, 2, length(content) - 2)
|
|
}
|
|
if (content ~ /!!\[/) {
|
|
_rb_test = content
|
|
gsub(/!!\[[^\]]*\]\([^)]*\)/, "", _rb_test)
|
|
gsub(/!!\[[^\]]+\]/, "", _rb_test)
|
|
gsub(/[[:space:]]+/, "", _rb_test)
|
|
if (_rb_test == "") {
|
|
out = out content
|
|
p = pstart + plen + mpos + plen - 1
|
|
continue
|
|
}
|
|
}
|
|
out = out "<code>" mask(content) "</code>"
|
|
p = pstart + plen + mpos + plen - 1
|
|
} else {
|
|
# No closing marker, treat as literal
|
|
out = out substr(line, p, pstart - p + plen)
|
|
p = pstart + plen
|
|
}
|
|
}
|
|
out = out substr(line, p)
|
|
print out
|
|
}
|