Tristan Matthews | 0461646 | 2013-11-14 16:09:34 -0500 | [diff] [blame] | 1 | #! /usr/bin/perl |
| 2 | |
| 3 | # A script to scan PCRE's man pages to check for typos in the control |
| 4 | # sequences. I use only a small set of the available repertoire, so it is |
| 5 | # straightforward to check that nothing else has slipped in by mistake. This |
| 6 | # script should be called in the doc directory. |
| 7 | |
| 8 | $yield = 0; |
| 9 | |
| 10 | while (scalar(@ARGV) > 0) |
| 11 | { |
| 12 | $line = 0; |
| 13 | $file = shift @ARGV; |
| 14 | |
| 15 | open (IN, $file) || die "Failed to open $file\n"; |
| 16 | |
| 17 | while (<IN>) |
| 18 | { |
| 19 | $line++; |
| 20 | if (/^\s*$/) |
| 21 | { |
| 22 | printf "Empty line $line of $file\n"; |
| 23 | $yield = 1; |
| 24 | } |
| 25 | elsif (/^\./) |
| 26 | { |
| 27 | if (!/^\.\s*$| |
| 28 | ^\.B\s+\S| |
| 29 | ^\.TH\s\S| |
| 30 | ^\.SH\s\S| |
| 31 | ^\.SS\s\S| |
| 32 | ^\.TP(?:\s\d+)?\s*$| |
| 33 | ^\.ti\s\S| |
| 34 | ^\.SM\s*$| |
| 35 | ^\.rs\s*$| |
| 36 | ^\.sp\s*$| |
| 37 | ^\.nf\s*$| |
| 38 | ^\.fi\s*$| |
| 39 | ^\.P\s*$| |
| 40 | ^\.PP\s*$| |
| 41 | ^\.\\"(?:\ HREF)?\s*$| |
| 42 | ^\.\\"\sHTML\s<a\shref="[^"]+?">\s*$| |
| 43 | ^\.\\"\sHTML\s<a\sname="[^"]+?"><\/a>\s*$| |
| 44 | ^\.\\"\s<\/a>\s*$| |
| 45 | ^\.\\"\sJOINSH\s*$| |
| 46 | ^\.\\"\sJOIN\s*$/x |
| 47 | ) |
| 48 | { |
| 49 | printf "Bad control line $line of $file\n"; |
| 50 | $yield = 1; |
| 51 | } |
| 52 | } |
| 53 | else |
| 54 | { |
| 55 | if (/\\[^ef]|\\f[^IBP]/) |
| 56 | { |
| 57 | printf "Bad backslash in line $line of $file\n"; |
| 58 | $yield = 1; |
| 59 | } |
| 60 | } |
| 61 | } |
| 62 | |
| 63 | close(IN); |
| 64 | } |
| 65 | |
| 66 | exit $yield; |
| 67 | # End |