-/* $Id: roff.c,v 1.32 2008/12/02 00:15:41 kristaps Exp $ */
+/* $Id: roff.c,v 1.44 2008/12/06 13:18:44 kristaps Exp $ */
/*
* Copyright (c) 2008 Kristaps Dzonsons <kristaps@kth.se>
*
* PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/param.h>
+#include <sys/types.h>
#include <assert.h>
#include <ctype.h>
#include "libmdocml.h"
#include "private.h"
+#include "roff.h"
+/* FIXME: First letters of quoted-text interpreted in rofffindtok. */
+/* FIXME: `No' not implemented. */
/* TODO: warn if Pp occurs before/after Sh etc. (see mdoc.samples). */
/* TODO: warn about "X section only" macros. */
/* TODO: warn about empty lists. */
/* TODO: (warn) NAME section has particular order. */
/* TODO: unify empty-content tags a la <br />. */
/* TODO: macros with a set number of arguments? */
-
-#define ROFF_MAXARG 32
-
-enum roffd {
- ROFF_ENTER = 0,
- ROFF_EXIT
-};
-
-enum rofftype {
- ROFF_COMMENT,
- ROFF_TEXT,
- ROFF_LAYOUT,
- ROFF_SPECIAL
-};
-
-#define ROFFCALL_ARGS \
- int tok, struct rofftree *tree, \
- char *argv[], enum roffd type
-
-struct rofftree;
-
-struct rofftok {
- int (*cb)(ROFFCALL_ARGS); /* Callback. */
- const int *args; /* Args (or NULL). */
- const int *parents; /* Limit to parents. */
- const int *children; /* Limit to kids. */
- int ctx; /* Blk-close node. */
- enum rofftype type; /* Type of macro. */
- int flags;
-#define ROFF_PARSED (1 << 0) /* "Parsed". */
-#define ROFF_CALLABLE (1 << 1) /* "Callable". */
-#define ROFF_SHALLOW (1 << 2) /* Nesting block. */
-#define ROFF_LSCOPE (1 << 3) /* Line scope. */
-};
-
-struct roffarg {
- int flags;
-#define ROFF_VALUE (1 << 0) /* Has a value. */
-};
+/* TODO: validate Dt macro arguments. */
+/* FIXME: Bl -diag supposed to ignore callable children. */
+/* FIXME: Nm has newline when used in NAME section. */
struct roffnode {
int tok; /* Token id. */
struct roffnode *last; /* Last parsed node. */
char *cur; /* Line start. */
struct tm tm; /* `Dd' results. */
+ char name[64]; /* `Nm' results. */
char os[64]; /* `Os' results. */
char title[64]; /* `Dt' results. */
char section[64]; /* `Dt' results. */
void *arg; /* Callbacks' arg. */
};
-static int roff_Dd(ROFFCALL_ARGS);
-static int roff_Dt(ROFFCALL_ARGS);
-static int roff_Os(ROFFCALL_ARGS);
-static int roff_Ns(ROFFCALL_ARGS);
-static int roff_layout(ROFFCALL_ARGS);
-static int roff_text(ROFFCALL_ARGS);
-static int roff_noop(ROFFCALL_ARGS);
-static int roff_depr(ROFFCALL_ARGS);
static struct roffnode *roffnode_new(int, struct rofftree *);
static void roffnode_free(struct rofftree *);
static void roff_warn(const struct rofftree *,
int, char ***, char **);
static int roffparseopts(struct rofftree *, int,
char ***, int *, char **);
+static int roffcall(struct rofftree *, int, char **);
static int roffparse(struct rofftree *, char *);
-static int textparse(const struct rofftree *, char *);
-
-
-static const int roffarg_An[] = { ROFF_Split, ROFF_Nosplit, ROFF_ARGMAX };
-static const int roffarg_Bd[] = { ROFF_Ragged, ROFF_Unfilled, ROFF_Literal,
- ROFF_File, ROFF_Offset, ROFF_Filled, ROFF_Compact, ROFF_ARGMAX };
-static const int roffarg_Bk[] = { ROFF_Words, ROFF_ARGMAX };
-static const int roffarg_Ex[] = { ROFF_Std, ROFF_ARGMAX };
-static const int roffarg_Rv[] = { ROFF_Std, ROFF_ARGMAX };
-static const int roffarg_Bl[] = { ROFF_Bullet, ROFF_Dash, ROFF_Hyphen,
- ROFF_Item, ROFF_Enum, ROFF_Tag, ROFF_Diag, ROFF_Hang, ROFF_Ohang,
- ROFF_Inset, ROFF_Column, ROFF_Offset, ROFF_Width, ROFF_Compact,
- ROFF_ARGMAX };
-static const int roffarg_St[] = { ROFF_p1003_1_88, ROFF_p1003_1_90,
- ROFF_p1003_1_96, ROFF_p1003_1_2001, ROFF_p1003_1_2004, ROFF_p1003_1,
- ROFF_p1003_1b, ROFF_p1003_1b_93, ROFF_p1003_1c_95, ROFF_p1003_1g_2000,
- ROFF_p1003_2_92, ROFF_p1387_2_95, ROFF_p1003_2, ROFF_p1387_2,
- ROFF_isoC_90, ROFF_isoC_amd1, ROFF_isoC_tcor1, ROFF_isoC_tcor2,
- ROFF_isoC_99, ROFF_ansiC, ROFF_ansiC_89, ROFF_ansiC_99, ROFF_ieee754,
- ROFF_iso8802_3, ROFF_xpg3, ROFF_xpg4, ROFF_xpg4_2, ROFF_xpg4_3,
- ROFF_xbd5, ROFF_xcu5, ROFF_xsh5, ROFF_xns5, ROFF_xns5_2d2_0,
- ROFF_xcurses4_2, ROFF_susv2, ROFF_susv3, ROFF_svid4, ROFF_ARGMAX };
-
-static const int roffchild_Bl[] = { ROFF_It, ROFF_El, ROFF_MAX };
-static const int roffchild_Fo[] = { ROFF_Fa, ROFF_Fc, ROFF_MAX };
-static const int roffchild_Rs[] = { ROFF_Re, ROFF__A, ROFF__B, ROFF__D,
- ROFF__I, ROFF__J, ROFF__N, ROFF__O, ROFF__P, ROFF__R, ROFF__T, ROFF__V,
- ROFF_MAX };
-
-static const int roffparent_El[] = { ROFF_Bl, ROFF_It, ROFF_MAX };
-static const int roffparent_Fc[] = { ROFF_Fo, ROFF_Fa, ROFF_MAX };
-static const int roffparent_Oc[] = { ROFF_Oo, ROFF_MAX };
-static const int roffparent_It[] = { ROFF_Bl, ROFF_It, ROFF_MAX };
-static const int roffparent_Re[] = { ROFF_Rs, ROFF_MAX };
-
-static const struct rofftok tokens[ROFF_MAX] = {
- { roff_noop, NULL, NULL, NULL, 0, ROFF_COMMENT, 0 }, /* \" */
- { roff_Dd, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* Dd */
- { roff_Dt, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* Dt */
- { roff_Os, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* Os */
- { roff_layout, NULL, NULL, NULL, ROFF_Sh, ROFF_LAYOUT, 0 }, /* Sh */
- { roff_layout, NULL, NULL, NULL, ROFF_Ss, ROFF_LAYOUT, 0 }, /* Ss */
- { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* Pp */ /* XXX 0 args */
- { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_LSCOPE }, /* D1 */
- { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_LSCOPE }, /* Dl */
- { roff_layout, roffarg_Bd, NULL, NULL, 0, ROFF_LAYOUT, 0 }, /* Bd */
- { roff_noop, NULL, NULL, NULL, ROFF_Bd, ROFF_LAYOUT, 0 }, /* Ed */
- { roff_layout, roffarg_Bl, NULL, roffchild_Bl, 0, ROFF_LAYOUT, 0 }, /* Bl */
- { roff_noop, NULL, roffparent_El, NULL, ROFF_Bl, ROFF_LAYOUT, 0 }, /* El */
- { roff_layout, NULL, roffparent_It, NULL, ROFF_It, ROFF_LAYOUT, ROFF_PARSED | ROFF_SHALLOW }, /* It */
- { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Ad */ /* FIXME */
- { roff_text, roffarg_An, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* An */
- { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Ar */
- { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* Cd */ /* XXX man.4 only */
- { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Cm */
- { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Dv */ /* XXX needs arg */
- { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Er */ /* XXX needs arg */
- { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Ev */ /* XXX needs arg */
- { roff_text, roffarg_Ex, NULL, NULL, 0, ROFF_TEXT, 0 }, /* Ex */
- { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Fa */ /* XXX needs arg */
- { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* Fd */
- { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Fl */
- { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Fn */ /* XXX needs arg */ /* FIXME */
- { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* Ft */
- { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Ic */ /* XXX needs arg */
- { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* In */
- { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Li */
- { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* Nd */
- { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Nm */ /* FIXME */
- { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE | ROFF_LSCOPE }, /* Op */
- { roff_depr, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* Ot */
- { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Pa */
- { roff_text, roffarg_Rv, NULL, NULL, 0, ROFF_TEXT, 0 }, /* Rv */
- { roff_text, roffarg_St, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* St */
- { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Va */
- { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Vt */ /* XXX needs arg */
- { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Xr */ /* XXX needs arg */
- { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* %A */
- { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE}, /* %B */
- { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* %D */
- { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE}, /* %I */
- { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE}, /* %J */
- { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* %N */
- { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* %O */
- { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* %P */
- { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* %R */
- { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* %T */
- { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* %V */
- { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Ac */
- { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Ao */
- { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE | ROFF_LSCOPE }, /* Aq */
- { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* At */ /* XXX at most 2 args */
- { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Bc */
- { roff_layout, NULL, NULL, NULL, 0, ROFF_LAYOUT, 0 }, /* Bf */ /* FIXME */
- { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Bo */
- { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE | ROFF_LSCOPE }, /* Bq */
- { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* Bsx */
- { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* Bx */
- { NULL, NULL, NULL, NULL, 0, ROFF_SPECIAL, 0 }, /* Db */
- { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Dc */
- { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Do */
- { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE | ROFF_LSCOPE }, /* Dq */
- { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Ec */
- { roff_noop, NULL, NULL, NULL, ROFF_Bf, ROFF_LAYOUT, 0 }, /* Ef */
- { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Em */ /* XXX needs arg */
- { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Eo */
- { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* Fx */
- { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* Ms */
- { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* No */
- { roff_Ns, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Ns */
- { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* Nx */
- { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* Ox */
- { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Pc */
- { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* Pf */
- { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Po */
- { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE | ROFF_LSCOPE }, /* Pq */
- { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Qc */
- { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Ql */
- { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Qo */
- { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE | ROFF_LSCOPE }, /* Qq */
- { roff_noop, NULL, roffparent_Re, NULL, ROFF_Rs, ROFF_LAYOUT, 0 }, /* Re */
- { roff_layout, NULL, NULL, roffchild_Rs, 0, ROFF_LAYOUT, 0 }, /* Rs */
- { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Sc */
- { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* So */
- { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE | ROFF_LSCOPE }, /* Sq */
- { NULL, NULL, NULL, NULL, 0, ROFF_SPECIAL, 0 }, /* Sm */
- { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Sx */
- { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Sy */
- { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Tn */
- { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* Ux */
- { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Xc */
- { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Xo */
- { roff_layout, NULL, NULL, roffchild_Fo, 0, ROFF_LAYOUT, 0 }, /* Fo */
- { roff_noop, NULL, roffparent_Fc, NULL, ROFF_Fo, ROFF_LAYOUT, 0 }, /* Fc */
- { roff_layout, NULL, NULL, NULL, 0, ROFF_LAYOUT, 0 }, /* Oo */
- { roff_noop, NULL, roffparent_Oc, NULL, ROFF_Oo, ROFF_LAYOUT, 0 }, /* Oc */
- { roff_layout, roffarg_Bk, NULL, NULL, 0, ROFF_LAYOUT, 0 }, /* Bk */
- { roff_noop, NULL, NULL, NULL, ROFF_Bk, ROFF_LAYOUT, 0 }, /* Ek */
- { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* Bt */
- { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* Hf */
- { roff_depr, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* Fr */
- { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* Ud */
- };
-
-static const int tokenargs[ROFF_ARGMAX] = {
- 0, 0, 0, 0,
- 0, ROFF_VALUE, ROFF_VALUE, 0,
- 0, 0, 0, 0,
- 0, 0, 0, 0,
- 0, 0, ROFF_VALUE, 0,
- 0, 0, 0, 0,
- 0, 0, 0, 0,
- 0, 0, 0, 0,
- 0, 0, 0, 0,
- 0, 0, 0, 0,
- 0, 0, 0, 0,
- 0, 0, 0, 0,
- 0, 0, 0, 0,
- 0, 0, 0, 0,
- 0, 0, 0, 0,
- };
-
-const char *const toknamesp[ROFF_MAX] = {
- "\\\"", "Dd", "Dt", "Os",
- "Sh", "Ss", "Pp", "D1",
- "Dl", "Bd", "Ed", "Bl",
- "El", "It", "Ad", "An",
- "Ar", "Cd", "Cm", "Dv",
- "Er", "Ev", "Ex", "Fa",
- "Fd", "Fl", "Fn", "Ft",
- "Ic", "In", "Li", "Nd",
- "Nm", "Op", "Ot", "Pa",
- "Rv", "St", "Va", "Vt",
- /* LINTED */
- "Xr", "\%A", "\%B", "\%D",
- /* LINTED */
- "\%I", "\%J", "\%N", "\%O",
- /* LINTED */
- "\%P", "\%R", "\%T", "\%V",
- "Ac", "Ao", "Aq", "At",
- "Bc", "Bf", "Bo", "Bq",
- "Bsx", "Bx", "Db", "Dc",
- "Do", "Dq", "Ec", "Ef",
- "Em", "Eo", "Fx", "Ms",
- "No", "Ns", "Nx", "Ox",
- "Pc", "Pf", "Po", "Pq",
- "Qc", "Ql", "Qo", "Qq",
- "Re", "Rs", "Sc", "So",
- "Sq", "Sm", "Sx", "Sy",
- "Tn", "Ux", "Xc", "Xo",
- "Fo", "Fc", "Oo", "Oc",
- "Bk", "Ek", "Bt", "Hf",
- "Fr", "Ud",
- };
-
-const char *const tokargnamesp[ROFF_ARGMAX] = {
- "split", "nosplit", "ragged",
- "unfilled", "literal", "file",
- "offset", "bullet", "dash",
- "hyphen", "item", "enum",
- "tag", "diag", "hang",
- "ohang", "inset", "column",
- "width", "compact", "std",
- "p1003.1-88", "p1003.1-90", "p1003.1-96",
- "p1003.1-2001", "p1003.1-2004", "p1003.1",
- "p1003.1b", "p1003.1b-93", "p1003.1c-95",
- "p1003.1g-2000", "p1003.2-92", "p1387.2-95",
- "p1003.2", "p1387.2", "isoC-90",
- "isoC-amd1", "isoC-tcor1", "isoC-tcor2",
- "isoC-99", "ansiC", "ansiC-89",
- "ansiC-99", "ieee754", "iso8802-3",
- "xpg3", "xpg4", "xpg4.2",
- "xpg4.3", "xbd5", "xcu5",
- "xsh5", "xns5", "xns5.2d2.0",
- "xcurses4.2", "susv2", "susv3",
- "svid4", "filled", "words",
- };
-
-const char *const *toknames = toknamesp;
-const char *const *tokargnames = tokargnamesp;
-
+static int textparse(struct rofftree *, char *);
+static int roffdata(struct rofftree *, int, char *);
+static int roffspecial(struct rofftree *, int,
+ const char *, size_t, char **);
+static int roffsetname(struct rofftree *, char **);
+
+#ifdef __linux__
+extern size_t strlcat(char *, const char *, size_t);
+extern size_t strlcpy(char *, const char *, size_t);
+extern int vsnprintf(char *, size_t,
+ const char *, va_list);
+extern char *strptime(const char *, const char *,
+ struct tm *);
+#endif
int
roff_free(struct rofftree *tree, int flush)
static int
-textparse(const struct rofftree *tree, char *buf)
+textparse(struct rofftree *tree, char *buf)
{
+ char *bufp;
+
+ /* TODO: literal parsing. */
if ( ! (ROFF_BODY & tree->state)) {
roff_err(tree, buf, "data not in body");
return(0);
}
- return((*tree->cb.roffdata)(tree->arg, 1, buf));
+
+ /* LINTED */
+ while (*buf) {
+ while (*buf && isspace(*buf))
+ buf++;
+
+ if (0 == *buf)
+ break;
+
+ bufp = buf++;
+
+ while (*buf && ! isspace(*buf))
+ buf++;
+
+ if (0 != *buf) {
+ *buf++ = 0;
+ if ( ! roffdata(tree, 1, bufp))
+ return(0);
+ continue;
+ }
+
+ if ( ! roffdata(tree, 1, bufp))
+ return(0);
+ break;
+ }
+
+ return(1);
}
p = buf;
+ /*
+ * This is an ugly little loop. It parses a line into
+ * space-delimited tokens. If a quote mark is encountered, a
+ * token is alloted the entire quoted text. If whitespace is
+ * escaped, it's included in the prior alloted token.
+ */
+
/* LINTED */
- for (i = 0; *buf && i < ROFF_MAXARG; i++) {
+ for (i = 0; *buf && i < ROFF_MAXLINEARG; i++) {
if ('\"' == *buf) {
argv[i] = ++buf;
while (*buf && '\"' != *buf)
}
} else {
argv[i] = buf++;
- while (*buf && ! isspace(*buf))
- buf++;
+ while (*buf) {
+ if ( ! isspace(*buf)) {
+ buf++;
+ continue;
+ }
+ if (*(buf - 1) == '\\') {
+ buf++;
+ continue;
+ }
+ break;
+ }
if (0 == *buf)
continue;
}
while (*buf && isspace(*buf))
buf++;
}
-
+
assert(i > 0);
- if (ROFF_MAXARG == i && *buf) {
+ if (ROFF_MAXLINEARG == i && *buf) {
roff_err(tree, p, "too many arguments for `%s'", toknames
[tok]);
return(0);
{
int tok, t;
struct roffnode *n;
- char *argv[ROFF_MAXARG];
+ char *argv[ROFF_MAXLINEARG];
char **argvp;
if (0 != *buf && 0 != *(buf + 1) && 0 != *(buf + 2))
}
+static int
+roffspecial(struct rofftree *tree, int tok,
+ const char *start, size_t sz, char **ordp)
+{
+
+ switch (tok) {
+ case (ROFF_Nm):
+ if (0 == sz) {
+ if (0 == tree->name[0]) {
+ roff_err(tree, start, "`Nm' not set");
+ return(0);
+ }
+ ordp[0] = tree->name;
+ ordp[1] = NULL;
+ } else if ( ! roffsetname(tree, ordp))
+ return(0);
+ break;
+
+ case (ROFF_Ex):
+ if (0 == sz) {
+ roff_err(tree, start, "`Ex' expects an arg");
+ return(0);
+ } else if (1 != sz) {
+ roff_err(tree, start, "`Ex' expects one arg");
+ return(0);
+ }
+ break;
+
+ case (ROFF_Sm):
+ if (0 == sz) {
+ roff_err(tree, start, "`Sm' expects an arg");
+ return(0);
+ } else if (1 != sz) {
+ roff_err(tree, start, "`Sm' expects one arg");
+ return(0);
+ }
+
+ if (0 != strcmp(ordp[0], "on") &&
+ 0 != strcmp(ordp[0], "off")) {
+ roff_err(tree, start, "`Sm' has invalid argument");
+ return(0);
+ }
+ break;
+ default:
+ break;
+ }
+
+ return((*tree->cb.roffspecial)
+ (tree->arg, tok, tree->cur, ordp));
+}
+
+
+static int
+roffcall(struct rofftree *tree, int tok, char **argv)
+{
+
+ if (NULL == tokens[tok].cb) {
+ roff_err(tree, *argv, "unsupported macro `%s'",
+ toknames[tok]);
+ return(0);
+ }
+ if ( ! (*tokens[tok].cb)(tok, tree, argv, ROFF_ENTER))
+ return(0);
+ return(1);
+}
+
+
static int
roffnextopt(const struct rofftree *tree, int tok,
char ***in, char **val)
if (ROFF_ARGMAX == (v = rofffindarg(arg + 1))) {
roff_warn(tree, arg, "argument-like parameter `%s' to "
- "`%s'", &arg[1], toknames[tok]);
+ "`%s'", arg, toknames[tok]);
return(-1);
}
/* LINTED */
while (argv[i])
- if ( ! (*tree->cb.roffdata)(tree->arg, 0, argv[i++]))
+ if ( ! roffdata(tree, 0, argv[i++]))
return(0);
return(1);
}
}
+static int
+roffdata(struct rofftree *tree, int space, char *buf)
+{
+
+ if (0 == *buf)
+ return(1);
+ return((*tree->cb.roffdata)(tree->arg,
+ space != 0, tree->cur, buf));
+}
+
+
/* ARGSUSED */
static int
roff_Dd(ROFFCALL_ARGS)
argv++;
- if (0 == strcmp(*argv, "$Mdocdate: December 2 2008 $")) {
+ if (0 == strcmp(*argv, "$Mdocdate: December 6 2008 $")) {
t = time(NULL);
if (NULL == localtime_r(&t, &tree->tm))
err(1, "localtime_r");
}
-/* ARGSUSED */
-static int
-roff_Ns(ROFFCALL_ARGS)
+static int
+roffsetname(struct rofftree *tree, char **ordp)
{
- int j, c, first;
-
- first = (*argv == tree->cur);
+
+ assert(*ordp);
- argv++;
+ /* FIXME: not all sections can set this. */
- if (ROFF_MAX != (c = rofffindcallable(*argv))) {
- if (NULL == tokens[c].cb) {
- roff_err(tree, *argv, "unsupported macro `%s'",
- toknames[c]);
- return(0);
- }
- if ( ! (*tree->cb.roffspecial)(tree->arg, tok))
- return(0);
- if ( ! (*tokens[c].cb)(c, tree, argv, ROFF_ENTER))
- return(0);
- if ( ! first)
- return(1);
- return(roffpurgepunct(tree, argv));
+ if (NULL != *(ordp + 1)) {
+ roff_err(tree, *ordp, "too many `Nm' args");
+ return(0);
}
-
- if ( ! (*tree->cb.roffdata)(tree->arg, 0, *argv++))
+
+ if (strlcpy(tree->name, *ordp, sizeof(tree->name))
+ >= sizeof(tree->name)) {
+ roff_err(tree, *ordp, "`Nm' arg too long");
return(0);
+ }
- while (*argv) {
- if (ROFF_MAX == (c = rofffindcallable(*argv))) {
- if ( ! roffispunct(*argv)) {
- if ( ! (*tree->cb.roffdata)
- (tree->arg, 1, *argv++))
- return(0);
- continue;
- }
-
- /* FIXME: this is identical to that of
- * roff_text. */
+ return(1);
+}
- /* See if only punctuation remains. */
- for (j = 0; argv[j]; j++)
- if ( ! roffispunct(argv[j]))
- break;
+/* ARGSUSED */
+static int
+roff_Sm(ROFFCALL_ARGS)
+{
+ char *ordp[1], *p;
- if (argv[j]) {
- if ( ! (*tree->cb.roffdata)
- (tree->arg, 0, *argv++))
- return(0);
- continue;
- }
+ p = *argv++;
+ *ordp = *argv;
- /* Only punctuation remains. */
+ return(roffspecial(tree, tok, p, *ordp ? 1 : 0, ordp));
+}
+
+/* ARGSUSED */
+static int
+roff_Ns(ROFFCALL_ARGS)
+{
+ int j, c, first;
+ char *morep[1];
+
+ first = (*argv++ == tree->cur);
+ morep[0] = NULL;
+
+ if ( ! roffspecial(tree, tok, *argv, 0, morep))
+ return(0);
+
+ while (*argv) {
+ if (ROFF_MAX != (c = rofffindcallable(*argv))) {
+ if ( ! roffcall(tree, c, argv))
+ return(0);
break;
}
- if (NULL == tokens[c].cb) {
- roff_err(tree, *argv, "unsupported macro `%s'",
- toknames[c]);
- return(0);
+
+ if ( ! roffispunct(*argv)) {
+ if ( ! roffdata(tree, 1, *argv++))
+ return(0);
+ continue;
}
- if ( ! (*tokens[c].cb)(c, tree, argv, ROFF_ENTER))
- return(0);
+
+ for (j = 0; argv[j]; j++)
+ if ( ! roffispunct(argv[j]))
+ break;
+
+ if (argv[j]) {
+ if ( ! roffdata(tree, 0, *argv++))
+ return(0);
+ continue;
+ }
+
break;
}
if ( ! first)
return(1);
+
return(roffpurgepunct(tree, argv));
}
assert(NULL == tree->last);
- return((*tree->cb.roffhead)(tree->arg));
+ return((*tree->cb.roffhead)(tree->arg, &tree->tm,
+ tree->os, tree->title, tree->section,
+ tree->volume));
}
static int
roff_layout(ROFFCALL_ARGS)
{
- int i, c, argcp[ROFF_MAXARG];
- char *argvp[ROFF_MAXARG];
+ int i, c, argcp[ROFF_MAXLINEARG];
+ char *argvp[ROFF_MAXLINEARG];
if (ROFF_PRELUDE & tree->state) {
roff_err(tree, *argv, "bad `%s' in prelude",
return(0);
} else if (ROFF_EXIT == type) {
roffnode_free(tree);
+ if ( ! (*tree->cb.roffblkbodyout)(tree->arg, tok))
+ return(0);
return((*tree->cb.roffblkout)(tree->arg, tok));
}
if ( ! (*tree->cb.roffblkin)(tree->arg, tok, argcp, argvp))
return(0);
if (NULL == *argv)
- return(1);
- if ( ! (*tree->cb.roffin)(tree->arg, tok, argcp, argvp))
+ return((*tree->cb.roffblkbodyin)
+ (tree->arg, tok, argcp, argvp));
+
+ if ( ! (*tree->cb.roffblkheadin)(tree->arg, tok, argcp, argvp))
return(0);
/*
if ( ! (ROFF_PARSED & tokens[tok].flags)) {
i = 0;
- while (*argv) {
- if ( ! (*tree->cb.roffdata)(tree->arg, i, *argv++))
+ while (*argv)
+ if ( ! roffdata(tree, i++, *argv++))
return(0);
- i = 1;
- }
- return((*tree->cb.roffout)(tree->arg, tok));
+
+ if ( ! (*tree->cb.roffblkheadout)(tree->arg, tok))
+ return(0);
+ return((*tree->cb.roffblkbodyin)
+ (tree->arg, tok, argcp, argvp));
}
/*
while (*argv) {
if (ROFF_MAX == (c = rofffindcallable(*argv))) {
assert(tree->arg);
- if ( ! (*tree->cb.roffdata)
- (tree->arg, i, *argv++))
+ if ( ! roffdata(tree, i++, *argv++))
return(0);
- i = 1;
continue;
}
-
- if (NULL == tokens[c].cb) {
- roff_err(tree, *argv, "unsupported macro `%s'",
- toknames[c]);
- return(0);
- }
-
- if ( ! (*tokens[c].cb)(c, tree, argv, ROFF_ENTER))
+ if ( ! roffcall(tree, c, argv))
return(0);
-
break;
}
* macro.
*/
- if (NULL == *argv)
- return((*tree->cb.roffout)(tree->arg, tok));
+ if (NULL == *argv) {
+ if ( ! (*tree->cb.roffblkheadout)(tree->arg, tok))
+ return(0);
+ return((*tree->cb.roffblkbodyin)
+ (tree->arg, tok, argcp, argvp));
+ }
/*
* Expensive. Scan to the end of line then work backwards until
if ( ! roffpurgepunct(tree, argv))
return(0);
- return((*tree->cb.roffout)(tree->arg, tok));
+ if ( ! (*tree->cb.roffblkheadout)(tree->arg, tok))
+ return(0);
+ return((*tree->cb.roffblkbodyin)
+ (tree->arg, tok, argcp, argvp));
+}
+
+
+/* ARGSUSED */
+static int
+roff_ordered(ROFFCALL_ARGS)
+{
+ /* FIXME: the tail-switch statement is in two different places:
+ * consolidate. */
+ int i, first, c, argcp[ROFF_MAXLINEARG];
+ char *ordp[ROFF_MAXLINEARG], *p,
+ *argvp[ROFF_MAXLINEARG];
+
+ if (ROFF_PRELUDE & tree->state) {
+ roff_err(tree, *argv, "`%s' disallowed in prelude",
+ toknames[tok]);
+ return(0);
+ }
+
+ first = (*argv == tree->cur);
+ p = *argv++;
+
+ if ( ! roffparseopts(tree, tok, &argv, argcp, argvp))
+ return(0);
+
+ if (NULL == *argv)
+ return(roffspecial(tree, tok, p, 0, ordp));
+
+ i = 0;
+ while (*argv && i < ROFF_MAXLINEARG) {
+ c = rofffindcallable(*argv);
+
+ if (ROFF_MAX == c && ! roffispunct(*argv)) {
+ ordp[i++] = *argv++;
+ continue;
+ }
+ ordp[i] = NULL;
+
+ if (ROFF_MAX == c)
+ break;
+
+ if ( ! roffspecial(tree, tok, p, (size_t)i, ordp))
+ return(0);
+
+ return(roffcall(tree, c, ordp));
+ }
+
+ assert(i != ROFF_MAXLINEARG);
+ ordp[i] = NULL;
+
+ if ( ! roffspecial(tree, tok, p, (size_t)i, ordp))
+ return(0);
+
+ /* FIXME: error if there's stuff after the punctuation. */
+
+ if ( ! first || NULL == *argv)
+ return(1);
+
+ return(roffpurgepunct(tree, argv));
}
static int
roff_text(ROFFCALL_ARGS)
{
- int i, j, first, c, argcp[ROFF_MAXARG];
- char *argvp[ROFF_MAXARG];
+ int i, j, first, c, argcp[ROFF_MAXLINEARG];
+ char *argvp[ROFF_MAXLINEARG];
if (ROFF_PRELUDE & tree->state) {
roff_err(tree, *argv, "`%s' disallowed in prelude",
if ( ! (ROFF_PARSED & tokens[tok].flags)) {
i = 0;
- while (*argv) {
- if ( ! (*tree->cb.roffdata)(tree->arg, i, *argv++))
+ while (*argv)
+ if ( ! roffdata(tree, i++, *argv++))
return(0);
- i = 1;
- }
+
return((*tree->cb.roffout)(tree->arg, tok));
}
i = 0;
while (*argv) {
- if (ROFF_MAX == (c = rofffindcallable(*argv))) {
- if ( ! roffispunct(*argv)) {
- if ( ! (*tree->cb.roffdata)
- (tree->arg, i, *argv++))
- return(0);
- i = 1;
- continue;
- }
-
- /* See if only punctuation remains. */
-
- i = 1;
- for (j = 0; argv[j]; j++)
- if ( ! roffispunct(argv[j]))
- break;
-
- if (argv[j]) {
- if ( ! (*tree->cb.roffdata)
- (tree->arg, 0, *argv++))
+ if (ROFF_MAX != (c = rofffindcallable(*argv))) {
+ if ( ! (ROFF_LSCOPE & tokens[tok].flags))
+ if ( ! (*tree->cb.roffout)(tree->arg, tok))
return(0);
- continue;
- }
-
- /* Only punctuation remains. */
-
- if ( ! (*tree->cb.roffout)(tree->arg, tok))
+
+ if ( ! roffcall(tree, c, argv))
return(0);
+
+ if (ROFF_LSCOPE & tokens[tok].flags)
+ if ( ! (*tree->cb.roffout)(tree->arg, tok))
+ return(0);
+
break;
}
- /*
- * A sub-command has been found. Execute it and
- * discontinue parsing for arguments. If we're
- * line-scoped, then close out after it returns; if we
- * aren't, then close out before.
- */
-
- if (NULL == tokens[c].cb) {
- roff_err(tree, *argv, "unsupported macro `%s'",
- toknames[c]);
- return(0);
- }
-
- if ( ! (ROFF_LSCOPE & tokens[tok].flags))
- if ( ! (*tree->cb.roffout)(tree->arg, tok))
+ if ( ! roffispunct(*argv)) {
+ if ( ! roffdata(tree, i++, *argv++))
return(0);
-
- if ( ! (*tokens[c].cb)(c, tree, argv, ROFF_ENTER))
- return(0);
+ continue;
+ }
+
+ i = 1;
+ for (j = 0; argv[j]; j++)
+ if ( ! roffispunct(argv[j]))
+ break;
- if (ROFF_LSCOPE & tokens[tok].flags)
- if ( ! (*tree->cb.roffout)(tree->arg, tok))
+ if (argv[j]) {
+ if ( ! roffdata(tree, 0, *argv++))
return(0);
+ continue;
+ }
+ if ( ! (*tree->cb.roffout)(tree->arg, tok))
+ return(0);
break;
}
(*tree->cb.roffmsg)(tree->arg,
ROFF_ERROR, tree->cur, pos, buf);
}
+