version 1.67, 2011/03/17 10:41:18 |
version 1.68, 2011/03/17 10:59:27 |
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#include "libmdoc.h" |
#include "libmdoc.h" |
#include "libmandoc.h" |
#include "libmandoc.h" |
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/* |
#define MULTI_STEP 5 /* pre-allocate argument values */ |
* Routines to parse arguments of macros. Arguments follow the syntax |
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* of `-arg [val [valN...]]'. Arguments come in all types: quoted |
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* arguments, multiple arguments per value, no-value arguments, etc. |
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* |
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* There's no limit to the number or arguments that may be allocated. |
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*/ |
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#define ARGV_NONE (1 << 0) |
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#define ARGV_SINGLE (1 << 1) |
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#define ARGV_MULTI (1 << 2) |
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#define ARGV_OPT_SINGLE (1 << 3) |
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#define MULTI_STEP 5 |
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static enum mdocargt argv_a2arg(enum mdoct, const char *); |
static enum mdocargt argv_a2arg(enum mdoct, const char *); |
static enum margserr args(struct mdoc *, int, int *, |
static enum margserr args(struct mdoc *, int, int *, |
char *, int, char **); |
char *, int, char **); |
Line 58 static int argv_opt_single(struct mdoc *, int, |
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Line 45 static int argv_opt_single(struct mdoc *, int, |
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static int argv_multi(struct mdoc *, int, |
static int argv_multi(struct mdoc *, int, |
struct mdoc_argv *, int *, char *); |
struct mdoc_argv *, int *, char *); |
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/* Per-argument flags. */ |
enum argvflag { |
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ARGV_NONE, /* no args to flag (e.g., -split) */ |
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ARGV_SINGLE, /* one arg to flag (e.g., -file xxx) */ |
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ARGV_MULTI, /* multiple args (e.g., -column xxx yyy) */ |
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ARGV_OPT_SINGLE /* optional arg (e.g., -offset [xxx]) */ |
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}; |
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static int mdoc_argvflags[MDOC_ARG_MAX] = { |
static const enum argvflag argvflags[MDOC_ARG_MAX] = { |
ARGV_NONE, /* MDOC_Split */ |
ARGV_NONE, /* MDOC_Split */ |
ARGV_NONE, /* MDOC_Nosplit */ |
ARGV_NONE, /* MDOC_Nosplit */ |
ARGV_NONE, /* MDOC_Ragged */ |
ARGV_NONE, /* MDOC_Ragged */ |
Line 89 static int mdoc_argvflags[MDOC_ARG_MAX] = { |
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Line 81 static int mdoc_argvflags[MDOC_ARG_MAX] = { |
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ARGV_NONE /* MDOC_Symbolic */ |
ARGV_NONE /* MDOC_Symbolic */ |
}; |
}; |
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static int mdoc_argflags[MDOC_MAX] = { |
static const int argflags[MDOC_MAX] = { |
0, /* Ap */ |
0, /* Ap */ |
0, /* Dd */ |
0, /* Dd */ |
0, /* Dt */ |
0, /* Dt */ |
Line 214 static int mdoc_argflags[MDOC_MAX] = { |
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Line 206 static int mdoc_argflags[MDOC_MAX] = { |
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0, /* Ta */ |
0, /* Ta */ |
}; |
}; |
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/* |
/* |
* Parse an argument from line text. This comes in the form of -key |
* Parse an argument from line text. This comes in the form of -key |
* [value0...], which may either have a single mandatory value, at least |
* [value0...], which may either have a single mandatory value, at least |
Line 255 mdoc_argv(struct mdoc *m, int line, enum mdoct tok, |
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Line 246 mdoc_argv(struct mdoc *m, int line, enum mdoct tok, |
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buf[(*pos)++] = '\0'; |
buf[(*pos)++] = '\0'; |
} |
} |
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(void)memset(&tmp, 0, sizeof(struct mdoc_argv)); |
memset(&tmp, 0, sizeof(struct mdoc_argv)); |
tmp.line = line; |
tmp.line = line; |
tmp.pos = *pos; |
tmp.pos = *pos; |
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Line 281 mdoc_argv(struct mdoc *m, int line, enum mdoct tok, |
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Line 272 mdoc_argv(struct mdoc *m, int line, enum mdoct tok, |
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arg->argv = mandoc_realloc |
arg->argv = mandoc_realloc |
(arg->argv, arg->argc * sizeof(struct mdoc_argv)); |
(arg->argv, arg->argc * sizeof(struct mdoc_argv)); |
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(void)memcpy(&arg->argv[(int)arg->argc - 1], |
memcpy(&arg->argv[(int)arg->argc - 1], |
&tmp, sizeof(struct mdoc_argv)); |
&tmp, sizeof(struct mdoc_argv)); |
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return(ARGV_ARG); |
return(ARGV_ARG); |
} |
} |
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void |
void |
mdoc_argv_free(struct mdoc_arg *p) |
mdoc_argv_free(struct mdoc_arg *p) |
{ |
{ |
Line 310 mdoc_argv_free(struct mdoc_arg *p) |
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Line 300 mdoc_argv_free(struct mdoc_arg *p) |
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free(p); |
free(p); |
} |
} |
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void |
void |
mdoc_argn_free(struct mdoc_arg *p, int iarg) |
mdoc_argn_free(struct mdoc_arg *p, int iarg) |
{ |
{ |
Line 329 mdoc_argn_free(struct mdoc_arg *p, int iarg) |
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Line 318 mdoc_argn_free(struct mdoc_arg *p, int iarg) |
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p->argv[iarg] = p->argv[iarg+1]; |
p->argv[iarg] = p->argv[iarg+1]; |
} |
} |
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enum margserr |
enum margserr |
mdoc_zargs(struct mdoc *m, int line, int *pos, |
mdoc_zargs(struct mdoc *m, int line, int *pos, |
char *buf, int flags, char **v) |
char *buf, int flags, char **v) |
Line 338 mdoc_zargs(struct mdoc *m, int line, int *pos, |
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Line 326 mdoc_zargs(struct mdoc *m, int line, int *pos, |
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return(args(m, line, pos, buf, flags, v)); |
return(args(m, line, pos, buf, flags, v)); |
} |
} |
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enum margserr |
enum margserr |
mdoc_args(struct mdoc *m, int line, int *pos, |
mdoc_args(struct mdoc *m, int line, int *pos, |
char *buf, enum mdoct tok, char **v) |
char *buf, enum mdoct tok, char **v) |
Line 346 mdoc_args(struct mdoc *m, int line, int *pos, |
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Line 333 mdoc_args(struct mdoc *m, int line, int *pos, |
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int fl; |
int fl; |
struct mdoc_node *n; |
struct mdoc_node *n; |
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fl = mdoc_argflags[tok]; |
fl = argflags[tok]; |
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if (MDOC_It != tok) |
if (MDOC_It != tok) |
return(args(m, line, pos, buf, fl, v)); |
return(args(m, line, pos, buf, fl, v)); |
Line 370 mdoc_args(struct mdoc *m, int line, int *pos, |
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Line 357 mdoc_args(struct mdoc *m, int line, int *pos, |
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return(args(m, line, pos, buf, fl, v)); |
return(args(m, line, pos, buf, fl, v)); |
} |
} |
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static enum margserr |
static enum margserr |
args(struct mdoc *m, int line, int *pos, |
args(struct mdoc *m, int line, int *pos, |
char *buf, int fl, char **v) |
char *buf, int fl, char **v) |
Line 677 argv_a2arg(enum mdoct tok, const char *p) |
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Line 663 argv_a2arg(enum mdoct tok, const char *p) |
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return(MDOC_ARG_MAX); |
return(MDOC_ARG_MAX); |
} |
} |
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static int |
static int |
argv_multi(struct mdoc *m, int line, |
argv_multi(struct mdoc *m, int line, |
struct mdoc_argv *v, int *pos, char *buf) |
struct mdoc_argv *v, int *pos, char *buf) |
Line 704 argv_multi(struct mdoc *m, int line, |
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Line 689 argv_multi(struct mdoc *m, int line, |
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return(1); |
return(1); |
} |
} |
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static int |
static int |
argv_opt_single(struct mdoc *m, int line, |
argv_opt_single(struct mdoc *m, int line, |
struct mdoc_argv *v, int *pos, char *buf) |
struct mdoc_argv *v, int *pos, char *buf) |
Line 728 argv_opt_single(struct mdoc *m, int line, |
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Line 712 argv_opt_single(struct mdoc *m, int line, |
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return(1); |
return(1); |
} |
} |
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/* |
/* |
* Parse a single, mandatory value from the stream. |
* Parse a single, mandatory value from the stream. |
*/ |
*/ |
Line 756 argv_single(struct mdoc *m, int line, |
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Line 739 argv_single(struct mdoc *m, int line, |
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return(1); |
return(1); |
} |
} |
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/* |
/* |
* Determine rules for parsing arguments. Arguments can either accept |
* Determine rules for parsing arguments. Arguments can either accept |
* no parameters, an optional single parameter, one parameter, or |
* no parameters, an optional single parameter, one parameter, or |
Line 770 argv(struct mdoc *mdoc, int line, |
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Line 752 argv(struct mdoc *mdoc, int line, |
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v->sz = 0; |
v->sz = 0; |
v->value = NULL; |
v->value = NULL; |
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switch (mdoc_argvflags[v->arg]) { |
switch (argvflags[v->arg]) { |
case (ARGV_SINGLE): |
case (ARGV_SINGLE): |
return(argv_single(mdoc, line, v, pos, buf)); |
return(argv_single(mdoc, line, v, pos, buf)); |
case (ARGV_MULTI): |
case (ARGV_MULTI): |
return(argv_multi(mdoc, line, v, pos, buf)); |
return(argv_multi(mdoc, line, v, pos, buf)); |
case (ARGV_OPT_SINGLE): |
case (ARGV_OPT_SINGLE): |
return(argv_opt_single(mdoc, line, v, pos, buf)); |
return(argv_opt_single(mdoc, line, v, pos, buf)); |
default: |
case (ARGV_NONE): |
/* ARGV_NONE */ |
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break; |
break; |
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default: |
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abort(); |
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/* NOTREACHED */ |
} |
} |
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return(1); |
return(1); |