| #!/bin/sh |
| # vi: ft=awk : |
| # |
| # Script to extract functions and external variables off SUS html docs |
| # |
| # Copyright (C) 2010 Bernhard Reutner-Fischer |
| # Public Domain |
| |
| # Usage: |
| # wget http://www.opengroup.org/onlinepubs/9699919799/download/susv4.tgz |
| # tar xzf susv4.tgz |
| # SUS=susv4 html2input.sh -vFULL_DECLARATIONS=1 |
| # or |
| # SUS=susv4 html2input.sh -vFULL_DECLARATIONS=0 -vSTDNAME=SUSv4 |
| # |
| # Bug in time.h.html of SUSv4: |
| # It inconsistently reads "as variables" instead of "external variables" that |
| # is used everywhere except in time.h.html |
| |
| test "x$SUS" = "x" && SUS="susv4" |
| test "x$AWK" = "x" && AWK="AWK" |
| test "x$GREP" = "x" && GREP="GREP" |
| for h in \ |
| $($GREP -l "shall be declared as functions" $SUS/basedefs/*.h.html) \ |
| $($GREP -l "shall declare the following as variables" $SUS/basedefs/*.h.html) \ |
| $($GREP -l "shall declare the following external variables" $SUS/basedefs/*.h.html) |
| do |
| $AWK $* ' |
| function get_filename () { |
| if (NR == 1) { |
| x=FILENAME |
| sub(".*/", "", x) |
| split(x, f , ".") |
| fname=f[1] |
| if (STDNAME) |
| fname=fname "." STDNAME |
| fname=fname ".in" |
| printf "" > fname |
| } |
| } |
| function unhtml (l) { |
| sub("<tt>", "", l) |
| sub("</tt>", "", l) |
| sub("<sup>", "", l) |
| sub("</sup>", "", l) |
| sub("<a [^>]*>", "", l) |
| sub("</a>", "", l) |
| if (l ~ /<img[^>]*Option[[:space:]][[:space:]]*Start[^>]*>/) { |
| sub("<img[^>]*>", "[Option Start]", l) |
| } else if (l ~ /<img[^>]*Option[[:space:]][[:space:]]*End[^>]*>/) { |
| sub("<img[^>]*>", "[Option End]", l) |
| } |
| sub("<.*>", "", l) |
| return l |
| } |
| function get_funcname (l) { |
| if (FULL_DECLARATIONS) |
| return l |
| if (l !~ /;$/) |
| return l |
| cnt = split(l, foo, " ") |
| if (cnt >= 2 && foo[2] ~ /^\(\*/) { |
| cnt = split(l, foo, "(") |
| # good enough for signal() and sigset() |
| if (cnt >= 2) |
| l=foo[2] |
| } else { |
| sub("\\(.*", "", l) |
| } |
| gsub("[[\\]\\*]", "", l) |
| i = split(l, a, " ") |
| if (i) |
| l = a[i] |
| return l |
| } |
| function get_varname (l) { |
| if (FULL_DECLARATIONS) |
| return l |
| if (l !~ /;$/) |
| return l |
| gsub(",[[:space:]][[:space:]]*", ",", l) |
| sub(";$", "", l) |
| i = split(l, a, " ") |
| if (i) |
| l = a[i] |
| gsub("[[\\]\\*]", "", l) |
| gsub(",", "\n", l) |
| return l |
| } |
| BEGIN{data=0;l=""} |
| get_filename() |
| /shall be declared as functions/{data=1;isvar=0;next;} |
| /shall declare the following as variables/{data=1;isvar=1;next;} |
| /shall declare the following external variables/{data=1;isvar=1;next;} |
| /<pre>/{data++;next;} |
| /<\/pre>/{data=0;next;} |
| /.*/{ |
| if (data == 2 && fname) { |
| tmp = $0 |
| sub("^[[:space:]][[:space:]]*", " ", tmp) |
| l = l tmp |
| tmp = unhtml(l) |
| if (!tmp) |
| next |
| l = tmp |
| if (tmp !~ /;$/ && tmp !~ />$/ && |
| tmp !~ /Option Start\]$/ && tmp !~ /Option End\]$/) |
| next |
| if (!isvar) |
| l = get_funcname(l) |
| else |
| l = get_varname(l) |
| if (l) |
| print l >> fname |
| l="" |
| } |
| } |
| ' $h |
| done |