diff options
| -rw-r--r-- | tools/asciiman.awk | 45 |
1 files changed, 24 insertions, 21 deletions
diff --git a/tools/asciiman.awk b/tools/asciiman.awk index b46c7a0..4b5ee54 100644 --- a/tools/asciiman.awk +++ b/tools/asciiman.awk @@ -20,21 +20,17 @@ function fatal(message) { exit 1 } -function haveattribute(name) { - return name in Attrs || ("asciidoc-" name) in ENVIRON +BEGIN { + for (name in ENVIRON) + if (match(name, /^asciidoc-/)) + Attrs[substr(name, RSTART + RLENGTH)] = ENVIRON[name] } -function getattribute(name) { - if (!(name in Attrs) && ("asciidoc-" name) in ENVIRON) - Attrs[name] = ENVIRON["asciidoc-" name] - return Attrs[name] -} - -function expand(s, attr, v) { - while (match(s, /[{][^{}]*[}]/)) { - attr = substr(s, RSTART + 1, RLENGTH - 2) - if (haveattribute(attr)) - v = v substr(s, 1, RSTART - 1) getattribute(attr) +function expand(s, attrname, v) { + while (match(s, /[{][^{}]+[}]/)) { + attrname = substr(s, RSTART + 1, RLENGTH - 2) + if (attrname in Attrs) + v = v substr(s, 1, RSTART - 1) Attrs[attrname] else v = v substr(s, 1, RSTART + RLENGTH - 1) s = substr(s, RSTART + RLENGTH) @@ -49,13 +45,20 @@ function escape(s) { return s } -function readattribute(line, attrname, attrvalue) { - if (match(line, /^:[^:]*: /)) { +function readattribute(line, attrname) { + if (match(line, /^:[^:]+:$/)) { + Attrs[substr(line, RSTART + 1, RLENGTH - 2)] = "" + } else if (match(line, /^:[^:]+!:$/)) { + delete Attrs[substr(line, RSTART + 1, RLENGTH - 3)] + } else if (match(line, /^:![^:]+:$/)) { + delete Attrs[substr(line, RSTART + 2, RLENGTH - 3)] + } else if (match(line, /^:[^:]+: /)) { attrname = substr(line, RSTART + 1, RLENGTH - 3) - attrvalue = substr(line, RSTART + RLENGTH) - Attrs[attrname] = expand(attrvalue) - return 1 + Attrs[attrname] = expand(substr(line, RSTART + RLENGTH)) + } else { + return 0 } + return 1 } NR == 1 { @@ -80,9 +83,9 @@ NR == 1 { # Requesting tbl(1), even though we currently do not support tables. print "'\\\" t" printf ".TH \"%s\" \"%s\" \"\" \"%s\"", - toupper(name), section, getattribute("mansource") - if (getattribute("manmanual")) - printf " \"%s\"", getattribute("manmanual") + toupper(name), section, Attrs["mansource"] + if ("manmanual" in Attrs) + printf " \"%s\"", Attrs["manmanual"] print "" # Hyphenation is indeed rather annoying, in particular with long links. |