implement -Tman .Bk; OpenBSD rev. 1.10

[mandoc.git] / mdoc_argv.c

diff --git a/mdoc_argv.c b/mdoc_argv.c
index 545a3cbf3c97218d485645f28be440ae4aef22fc..6e1ca5ce19cf4b3d1f57d98ed31c8f228c3c6e8d 100644 (file)
--- a/mdoc_argv.c
+++ b/mdoc_argv.c
@@ -1,6 +1,6 @@
-/*     $Id: mdoc_argv.c,v 1.78 2011/06/18 16:18:04 kristaps Exp $ */
+/*     $Id: mdoc_argv.c,v 1.83 2012/04/15 15:26:49 schwarze Exp $ */
 /*
- * Copyright (c) 2008, 2009, 2010 Kristaps Dzonsons <kristaps@bsd.lv>
+ * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
  *
  * Permission to use, copy, modify, and distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
@@ -21,7 +21,6 @@
 #include <sys/types.h>
 
 #include <assert.h>
-#include <ctype.h>
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
@@ -43,8 +42,7 @@ enum  argsflag {
 enum   argvflag {
        ARGV_NONE, /* no args to flag (e.g., -split) */
        ARGV_SINGLE, /* one arg to flag (e.g., -file xxx)  */
-       ARGV_MULTI, /* multiple args (e.g., -column xxx yyy) */
-       ARGV_OPT_SINGLE /* optional arg (e.g., -offset [xxx]) */
+       ARGV_MULTI /* multiple args (e.g., -column xxx yyy) */
 };
 
 struct mdocarg {
@@ -52,18 +50,14 @@ struct      mdocarg {
        const enum mdocargt *argvs;
 };
 
+static void             argn_free(struct mdoc_arg *, int);
 static enum margserr    args(struct mdoc *, int, int *, 
                                char *, enum argsflag, char **);
 static int              args_checkpunct(const char *, int);
-static int              argv(struct mdoc *, int, 
+static int              argv_multi(struct mdoc *, int, 
                                struct mdoc_argv *, int *, char *);
 static int              argv_single(struct mdoc *, int, 
                                struct mdoc_argv *, int *, char *);
-static int              argv_opt_single(struct mdoc *, int, 
-                               struct mdoc_argv *, int *, char *);
-static int              argv_multi(struct mdoc *, int, 
-                               struct mdoc_argv *, int *, char *);
-static void             argn_free(struct mdoc_arg *, int);
 
 static const enum argvflag argvflags[MDOC_ARG_MAX] = {
        ARGV_NONE,      /* MDOC_Split */
@@ -72,7 +66,7 @@ static        const enum argvflag argvflags[MDOC_ARG_MAX] = {
        ARGV_NONE,      /* MDOC_Unfilled */
        ARGV_NONE,      /* MDOC_Literal */
        ARGV_SINGLE,    /* MDOC_File */
-       ARGV_OPT_SINGLE, /* MDOC_Offset */
+       ARGV_SINGLE,    /* MDOC_Offset */
        ARGV_NONE,      /* MDOC_Bullet */
        ARGV_NONE,      /* MDOC_Dash */
        ARGV_NONE,      /* MDOC_Hyphen */
@@ -292,8 +286,8 @@ mdoc_argv(struct mdoc *m, int line, enum mdoct tok,
                return(ARGV_EOLN);
        else if (NULL == (ap = mdocargs[tok].argvs))
                return(ARGV_WORD);
-
-       assert(' ' != buf[*pos]);
+       else if ('-' != buf[*pos])
+               return(ARGV_WORD);
 
        /* Seek to the first unescaped space. */
 
@@ -345,8 +339,18 @@ mdoc_argv(struct mdoc *m, int line, enum mdoct tok,
        while (buf[*pos] && ' ' == buf[*pos])
                (*pos)++;
 
-       if ( ! argv(m, line, &tmp, pos, buf))
-               return(ARGV_ERROR);
+       switch (argvflags[tmp.arg]) {
+       case (ARGV_SINGLE):
+               if ( ! argv_single(m, line, &tmp, pos, buf))
+                       return(ARGV_ERROR);
+               break;
+       case (ARGV_MULTI):
+               if ( ! argv_multi(m, line, &tmp, pos, buf))
+                       return(ARGV_ERROR);
+               break;
+       case (ARGV_NONE):
+               break;
+       }
 
        if (NULL == (arg = *v))
                arg = *v = mandoc_calloc(1, sizeof(struct mdoc_arg));
@@ -658,15 +662,12 @@ argv_multi(struct mdoc *m, int line,
 }
 
 static int
-argv_opt_single(struct mdoc *m, int line, 
+argv_single(struct mdoc *m, int line, 
                struct mdoc_argv *v, int *pos, char *buf)
 {
        enum margserr    ac;
        char            *p;
 
-       if ('-' == buf[*pos])
-               return(1);
-
        ac = args(m, line, pos, buf, ARGSFL_NONE, &p);
        if (ARGS_ERROR == ac)
                return(0);
@@ -679,60 +680,3 @@ argv_opt_single(struct mdoc *m, int line,
 
        return(1);
 }
-
-/*
- * Parse a single, mandatory value from the stream.
- */
-static int
-argv_single(struct mdoc *m, int line, 
-               struct mdoc_argv *v, int *pos, char *buf)
-{
-       int              ppos;
-       enum margserr    ac;
-       char            *p;
-
-       ppos = *pos;
-
-       ac = args(m, line, pos, buf, ARGSFL_NONE, &p);
-       if (ARGS_EOLN == ac) {
-               mdoc_pmsg(m, line, ppos, MANDOCERR_SYNTARGVCOUNT);
-               return(0);
-       } else if (ARGS_ERROR == ac)
-               return(0);
-
-       v->sz = 1;
-       v->value = mandoc_malloc(sizeof(char *));
-       v->value[0] = mandoc_strdup(p);
-
-       return(1);
-}
-
-/*
- * Determine rules for parsing arguments.  Arguments can either accept
- * no parameters, an optional single parameter, one parameter, or
- * multiple parameters.
- */
-static int
-argv(struct mdoc *mdoc, int line, 
-               struct mdoc_argv *v, int *pos, char *buf)
-{
-
-       v->sz = 0;
-       v->value = NULL;
-
-       switch (argvflags[v->arg]) {
-       case (ARGV_SINGLE):
-               return(argv_single(mdoc, line, v, pos, buf));
-       case (ARGV_MULTI):
-               return(argv_multi(mdoc, line, v, pos, buf));
-       case (ARGV_OPT_SINGLE):
-               return(argv_opt_single(mdoc, line, v, pos, buf));
-       case (ARGV_NONE):
-               break;
-       default:
-               abort();
-               /* NOTREACHED */
-       }
-
-       return(1);
-}