Escape-sequence validation in place (for nodes).

[mandoc.git] / strings.c

diff --git a/strings.c b/strings.c
index d655677b5efe1e1d942e0803addfe82444bbdd3f..c3b0403d6ce31fb3377a9e5572efdfdb472e8a99 100644 (file)
--- a/strings.c
+++ b/strings.c
@@ -1,4 +1,4 @@
-/* $Id: strings.c,v 1.10 2009/01/20 13:49:36 kristaps Exp $ */
+/* $Id: strings.c,v 1.16 2009/02/24 11:43:13 kristaps Exp $ */
 /*
  * Copyright (c) 2008 Kristaps Dzonsons <kristaps@kth.se>
  *
@@ -25,12 +25,60 @@
 #include <time.h>
 #endif
 
+/*
+ * Convert scalars to and from string format.
+ */
+
 #include "private.h"
 
 #ifdef __linux__
 extern char            *strptime(const char *, const char *, struct tm *);
 #endif
 
+
+size_t
+mdoc_isescape(const char *p)
+{
+       size_t           c;
+       
+       if ('\\' != *p++)
+               return(0);
+
+       switch (*p) {
+       case ('\\'):
+               /* FALLTHROUGH */
+       case ('\''):
+               /* FALLTHROUGH */
+       case ('`'):
+               /* FALLTHROUGH */
+       case ('-'):
+               /* FALLTHROUGH */
+       case (' '):
+               /* FALLTHROUGH */
+       case ('.'):
+               /* FALLTHROUGH */
+       case ('e'):
+               return(2);
+       case ('('):
+               if (0 == *++p)
+                       return(0);
+               if (0 == *++p)
+                       return(0);
+               return(4);
+       case ('['):
+               break;
+       default:
+               return(0);
+       }
+
+       for (c = 3, p++; *p && ']' != *p; p++, c++)
+               if (isspace(*p))
+                       break;
+
+       return(*p == ']' ? c : 0);
+}
+
+
 int
 mdoc_iscdelim(char p)
 {
@@ -124,12 +172,18 @@ time_t
 mdoc_atotime(const char *p)
 {
        struct tm        tm;
+       char            *pp;
 
        (void)memset(&tm, 0, sizeof(struct tm));
 
-       if (0 == strptime(p, "%b %d %Y", &tm))
+       if (xstrcmp(p, "$Mdocdate: February 24 2009 $"))
+               return(time(NULL));
+       if ((pp = strptime(p, "$Mdocdate: February 24 2009 $", &tm)) && 0 == *pp)
                return(mktime(&tm));
-       if (0 == strptime(p, "%b %d, %Y", &tm))
+       /* XXX - this matches "June 1999", which is wrong. */
+       if ((pp = strptime(p, "%b %d %Y", &tm)) && 0 == *pp)
+               return(mktime(&tm));
+       if ((pp = strptime(p, "%b %d, %Y", &tm)) && 0 == *pp)
                return(mktime(&tm));
 
        return(0);
@@ -328,3 +382,158 @@ mdoc_type2a(enum mdoc_type type)
        abort();
        /* NOTREACHED */
 }
+
+
+const char *
+mdoc_arch2a(enum mdoc_arch arch)
+{
+
+       switch (arch) {
+       case (ARCH_alpha):
+               return("Alpha");
+       case (ARCH_amd64):
+               return("AMD64");
+       case (ARCH_amiga):
+               return("Amiga");
+       case (ARCH_arc):
+               return("ARC");
+       case (ARCH_arm):
+               return("ARM");
+       case (ARCH_armish):
+               return("ARMISH");
+       case (ARCH_aviion):
+               return("AViion");
+       case (ARCH_hp300):
+               return("HP300");
+       case (ARCH_hppa):
+               return("HPPA");
+       case (ARCH_hppa64):
+               return("HPPA64");
+       case (ARCH_i386):
+               return("i386");
+       case (ARCH_landisk):
+               return("LANDISK");
+       case (ARCH_luna88k):
+               return("Luna88k");
+       case (ARCH_mac68k):
+               return("Mac68k");
+       case (ARCH_macppc):
+               return("MacPPC");
+       case (ARCH_mvme68k):
+               return("MVME68k");
+       case (ARCH_mvme88k):
+               return("MVME88k");
+       case (ARCH_mvmeppc):
+               return("MVMEPPC");
+       case (ARCH_pmax):
+               return("PMAX");
+       case (ARCH_sgi):
+               return("SGI");
+       case (ARCH_socppc):
+               return("SOCPPC");
+       case (ARCH_sparc):
+               return("SPARC");
+       case (ARCH_sparc64):
+               return("SPARC64");
+       case (ARCH_sun3):
+               return("Sun3");
+       case (ARCH_vax):
+               return("VAX");
+       case (ARCH_zaurus):
+               return("Zaurus");
+       case (ARCH_DEFAULT):
+               return(NULL);
+       default:
+               break;
+       }
+
+       abort();
+       /* NOTREACHED */
+}
+
+
+const char *
+mdoc_vol2a(enum mdoc_vol vol)
+{
+
+       switch (vol) {
+       case (VOL_AMD):
+               return("OpenBSD Ancestral Manual Documents");
+       case (VOL_IND):
+               return("OpenBSD Manual Master Index");
+       case (VOL_KM):
+               return("OpenBSD Kernel Manual");
+       case (VOL_LOCAL):
+               return("OpenBSD Local Manual");
+       case (VOL_PRM):
+               return("OpenBSD Programmer's Manual");
+       case (VOL_PS1):
+               return("OpenBSD Programmer's Supplementary Documents");
+       case (VOL_SMM):
+               return("OpenBSD System Manager's Manual");
+       case (VOL_URM):
+               return("OpenBSD Reference Manual");
+       case (VOL_USD):
+               return("OpenBSD User's Supplementary Documents");
+       case (VOL_DEFAULT):
+               return(NULL);
+       default:
+               break;
+       }
+
+       abort();
+       /* NOTREACHED */
+}
+
+
+const char *
+mdoc_msec2a(enum mdoc_msec msec)
+{
+
+       switch (msec) {
+       case(MSEC_1):
+               return("1");
+       case(MSEC_2):
+               return("2");
+       case(MSEC_3):
+               return("3");
+       case(MSEC_3f):
+               return("3f");
+       case(MSEC_3p):
+               return("3p");
+       case(MSEC_4):
+               return("4");
+       case(MSEC_5):
+               return("5");
+       case(MSEC_6):
+               return("6");
+       case(MSEC_7):
+               return("7");
+       case(MSEC_8):
+               return("8");
+       case(MSEC_9):
+               return("9");
+       case(MSEC_X11):
+               return("X11");
+       case(MSEC_X11R6):
+               return("X11R6");
+       case(MSEC_local):
+               return("local");
+       case(MSEC_n):
+               return("n");
+       case(MSEC_unass):
+               /* FALLTHROUGH */
+       case(MSEC_draft):
+               return("draft");
+       case(MSEC_paper):
+               return("paper");
+       case(MSEC_DEFAULT):
+               return(NULL);
+       default:
+               break;
+       }
+
+       abort();
+       /* NOTREACHED */
+}
+