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-rw-r--r--tools/asciiman.awk58
1 files changed, 55 insertions, 3 deletions
diff --git a/tools/asciiman.awk b/tools/asciiman.awk
index 4b5ee54..92b910d 100644
--- a/tools/asciiman.awk
+++ b/tools/asciiman.awk
@@ -1,6 +1,6 @@
# asciiman.awk: simplified AsciiDoc to manual page converter
#
-# Copyright (c) 2022, Přemysl Eric Janouch <p@janouch.name>
+# Copyright (c) 2022 - 2023, Přemysl Eric Janouch <p@janouch.name>
# SPDX-License-Identifier: 0BSD
#
# This is not intended to produce great output, merely useful output.
@@ -92,6 +92,47 @@ NR == 1 {
print ".nh"
}
+function readattrlist(line, posattrs, namedattrs, name, value, n) {
+ if (!match(line, /^\[.*\]$/))
+ return 0
+
+ line = expand(substr(line, RSTART + 1, RLENGTH - 2))
+ while (line) {
+ name = ""
+ if (match(line, /^[[:alnum:]][[:alnum:]-]*/)) {
+ value = substr(line, RSTART, RLENGTH)
+ if (match(substr(line, RSTART + RLENGTH),
+ /^[[:space:]]*=[[:space:]]*/)) {
+ name = value
+ line = substr(line, 1 + length(name) + RLENGTH)
+ }
+ }
+
+ # The quoting syntax actually is awful like this.
+ if (match(line, /^"(\\.|[^"\\])*"/)) {
+ value = substr(line, RSTART + 1, RLENGTH - 2)
+ gsub(/\\"/, "\"", value)
+ } else if (match(line, /^'(\\.|[^'\\])*'/)) {
+ value = substr(line, RSTART + 1, RLENGTH - 2)
+ gsub(/\\'/, "'", value)
+ } else {
+ match(line, /^[^,]*/)
+ value = substr(line, RSTART, RLENGTH)
+ sub(/[[:space:]]*$/, "", value)
+ }
+
+ line = substr(line, RSTART + RLENGTH)
+ sub(/^[[:space:]]*,[[:space:]]*/, "", line)
+ if (!name)
+ posattrs[++n] = value
+ else if (value == "None")
+ delete namedattrs[name]
+ else
+ namedattrs[name] = value
+ }
+ return 1
+}
+
function format(line, v) {
# Pass-through, otherwise useful for hacks, is a bit of a lie here,
# and formatting doesn't fully respect word boundaries.
@@ -154,7 +195,7 @@ function inline(line) {
}
# Returns 1 iff the left-over $0 should be processed further.
-function process(firstline) {
+function process(firstline, posattrs, namedattrs) {
if (readattribute(firstline))
return 0
if (getline <= 0) {
@@ -162,6 +203,17 @@ function process(firstline) {
return 0
}
+ # Block attribute list lines.
+ delete posattrs[0]
+ delete namedattrs[0]
+ while (readattrlist(firstline, posattrs, namedattrs)) {
+ firstline = $0
+ if (getline <= 0) {
+ inline(firstline)
+ return 0
+ }
+ }
+
# mandoc(1) automatically precedes section headers with blank lines.
if (length(firstline) == length($0) && /^-+$/) {
print ".SH \"" escape(toupper(expand(firstline))) "\""
@@ -199,7 +251,7 @@ function process(firstline) {
return 1
}
- # We generally assume these block end with a blank line.
+ # We generally assume these blocks end with a blank line.
if (match(firstline, /^[[:space:]]*[*][[:space:]]+/)) {
flushspace()