diff options
Diffstat (limited to 'usr.bin/mandoc/mandoc.c')
| -rw-r--r-- | usr.bin/mandoc/mandoc.c | 83 |
1 files changed, 80 insertions, 3 deletions
diff --git a/usr.bin/mandoc/mandoc.c b/usr.bin/mandoc/mandoc.c index 3e0b0f549fd..06c73fc0662 100644 --- a/usr.bin/mandoc/mandoc.c +++ b/usr.bin/mandoc/mandoc.c @@ -1,4 +1,4 @@ -/* $Id: mandoc.c,v 1.5 2009/12/23 22:30:17 schwarze Exp $ */ +/* $Id: mandoc.c,v 1.6 2009/12/24 02:08:14 schwarze Exp $ */ /* * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se> * @@ -31,7 +31,9 @@ static int a2time(time_t *, const char *, const char *); int mandoc_special(const char *p) { - int c; + int terminator; /* Terminator for \s. */ + int lim; /* Limit for N in \s. */ + int c, i; if ('\\' != *p++) return(0); @@ -70,9 +72,84 @@ mandoc_special(const char *p) case ('e'): return(2); case ('f'): - if (0 == *++p || ! isgraph((u_char)*p)) + if ('\0' == *++p || ! isgraph((u_char)*p)) return(0); return(3); + case ('s'): + if ('\0' == *++p) + return(2); + + c = 2; + terminator = 0; + lim = 1; + + if (*p == '\'') { + lim = 0; + terminator = 1; + ++p; + ++c; + } else if (*p == '[') { + lim = 0; + terminator = 2; + ++p; + ++c; + } else if (*p == '(') { + lim = 2; + terminator = 3; + ++p; + ++c; + } + + if (*p == '+' || *p == '-') { + ++p; + ++c; + } + + if (*p == '\'') { + if (terminator) + return(0); + lim = 0; + terminator = 1; + ++p; + ++c; + } else if (*p == '[') { + if (terminator) + return(0); + lim = 0; + terminator = 2; + ++p; + ++c; + } else if (*p == '(') { + if (terminator) + return(0); + lim = 2; + terminator = 3; + ++p; + ++c; + } + + /* TODO: needs to handle floating point. */ + + if ( ! isdigit((u_char)*p)) + return(0); + + for (i = 0; isdigit((u_char)*p); i++) { + if (lim && i >= lim) + break; + ++p; + ++c; + } + + if (terminator && terminator < 3) { + if (1 == terminator && *p != '\'') + return(0); + if (2 == terminator && *p != ']') + return(0); + ++p; + ++c; + } + + return(c); case ('*'): if (0 == *++p || ! isgraph((u_char)*p)) return(0); |