Return to roff.c CVS log | Up to [cvsweb.bsd.lv] / mandoc |
version 1.4, 2008/11/25 12:14:02 | version 1.11, 2008/11/27 14:02:41 | ||
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#include "libmdocml.h" | #include "libmdocml.h" | ||
#include "private.h" | #include "private.h" | ||
#define ROFF_MAXARG 10 | /* FIXME: warn if Pp occurs before/after Sh etc. (see mdoc.samples). */ | ||
/* FIXME: warn about "X section only" macros. */ | |||
/* FIXME: warn about empty lists. */ | |||
/* FIXME: ; : } ) (etc.) after text macros? */ | |||
/* FIXME: NAME section needs specific elements. */ | |||
#define ROFF_MAXARG 32 | |||
enum roffd { | enum roffd { | ||
ROFF_ENTER = 0, | ROFF_ENTER = 0, | ||
ROFF_EXIT | ROFF_EXIT | ||
}; | }; | ||
/* FIXME: prolog roffs can be text roffs, too. */ | |||
enum rofftype { | enum rofftype { | ||
ROFF_COMMENT, | ROFF_COMMENT, | ||
ROFF_TEXT, | ROFF_TEXT, | ||
ROFF_LAYOUT | ROFF_LAYOUT, | ||
ROFF_SPECIAL | |||
}; | }; | ||
#define ROFFCALL_ARGS \ | #define ROFFCALL_ARGS \ | ||
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struct rofftree; | struct rofftree; | ||
struct rofftok { | struct rofftok { | ||
int (*cb)(ROFFCALL_ARGS); | int (*cb)(ROFFCALL_ARGS); /* Callback. */ | ||
enum rofftype type; | const int *args; /* Args (or NULL). */ | ||
const int *parents; | |||
const int *children; | |||
int ctx; | |||
enum rofftype type; /* Type of macro. */ | |||
int flags; | int flags; | ||
#define ROFF_NESTED (1 << 0) | #define ROFF_PARSED (1 << 0) /* "Parsed". */ | ||
#define ROFF_PARSED (1 << 1) | #define ROFF_CALLABLE (1 << 1) /* "Callable". */ | ||
#define ROFF_CALLABLE (1 << 2) | #define ROFF_QUOTES (1 << 2) /* Quoted args. */ | ||
#define ROFF_QUOTES (1 << 3) | #define ROFF_SHALLOW (1 << 3) /* Nesting block. */ | ||
}; | }; | ||
struct roffarg { | struct roffarg { | ||
int tok; | |||
int flags; | int flags; | ||
#define ROFF_VALUE (1 << 0) | #define ROFF_VALUE (1 << 0) /* Has a value. */ | ||
}; | }; | ||
struct roffnode { | struct roffnode { | ||
int tok; | int tok; /* Token id. */ | ||
struct roffnode *parent; | struct roffnode *parent; /* Parent (or NULL). */ | ||
size_t line; | size_t line; /* Parsed at line. */ | ||
}; | }; | ||
struct rofftree { | struct rofftree { | ||
struct roffnode *last; | struct roffnode *last; /* Last parsed node. */ | ||
time_t date; | time_t date; /* `Dd' results. */ | ||
char os[64]; | char os[64]; /* `Os' results. */ | ||
char title[64]; | char title[64]; /* `Dt' results. */ | ||
char section[64]; | char section[64]; /* `Dt' results. */ | ||
char volume[64]; | char volume[64]; /* `Dt' results. */ | ||
int state; | int state; | ||
#define ROFF_PRELUDE (1 << 1) | #define ROFF_PRELUDE (1 << 1) /* In roff prelude. */ | ||
#define ROFF_PRELUDE_Os (1 << 2) | /* FIXME: if we had prev ptrs, this wouldn't be necessary. */ | ||
#define ROFF_PRELUDE_Dt (1 << 3) | #define ROFF_PRELUDE_Os (1 << 2) /* `Os' is parsed. */ | ||
#define ROFF_PRELUDE_Dd (1 << 4) | #define ROFF_PRELUDE_Dt (1 << 3) /* `Dt' is parsed. */ | ||
#define ROFF_BODY (1 << 5) | #define ROFF_PRELUDE_Dd (1 << 4) /* `Dd' is parsed. */ | ||
#define ROFF_BODY (1 << 5) /* In roff body. */ | |||
roffin roffin; | struct md_mbuf *mbuf; /* Output (or NULL). */ | ||
roffblkin roffblkin; | const struct md_args *args; /* Global args. */ | ||
roffout roffout; | const struct md_rbuf *rbuf; /* Input. */ | ||
roffblkout roffblkout; | const struct roffcb *cb; | ||
struct md_mbuf *mbuf; /* NULL if !flush. */ | |||
const struct md_args *args; | |||
const struct md_rbuf *rbuf; | |||
}; | }; | ||
static int roff_Dd(ROFFCALL_ARGS); | static int roff_Dd(ROFFCALL_ARGS); | ||
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static int roff_layout(ROFFCALL_ARGS); | static int roff_layout(ROFFCALL_ARGS); | ||
static int roff_text(ROFFCALL_ARGS); | static int roff_text(ROFFCALL_ARGS); | ||
static int roff_comment(ROFFCALL_ARGS); | |||
static int roff_close(ROFFCALL_ARGS); | |||
static int roff_special(ROFFCALL_ARGS); | |||
static struct roffnode *roffnode_new(int, struct rofftree *); | static struct roffnode *roffnode_new(int, struct rofftree *); | ||
static void roffnode_free(int, struct rofftree *); | static void roffnode_free(int, struct rofftree *); | ||
static int roffscan(int, const int *); | |||
static int rofffindtok(const char *); | static int rofffindtok(const char *); | ||
static int rofffindarg(const char *); | static int rofffindarg(const char *); | ||
static int rofffindcallable(const char *); | static int rofffindcallable(const char *); | ||
static int roffargs(int, char *, char **); | static int roffargs(const struct rofftree *, | ||
int, char *, char **); | |||
static int roffargok(int, int); | |||
static int roffnextopt(int, const char ***, char **); | |||
static int roffparse(struct rofftree *, char *, size_t); | static int roffparse(struct rofftree *, char *, size_t); | ||
static int textparse(const struct rofftree *, | static int textparse(const struct rofftree *, | ||
const char *, size_t); | const char *, size_t); | ||
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_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_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_Oo[] = { ROFF_Op, ROFF_Oc, 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_Oc, ROFF_MAX }; | |||
static const int roffparent_It[] = { ROFF_Bl, ROFF_It, ROFF_MAX }; | |||
static const int roffparent_Re[] = { ROFF_Rs, ROFF_MAX }; | |||
/* Table of all known tokens. */ | |||
static const struct rofftok tokens[ROFF_MAX] = { | static const struct rofftok tokens[ROFF_MAX] = { | ||
{ NULL, ROFF_COMMENT, 0 }, | {roff_comment, NULL, NULL, NULL, 0, ROFF_COMMENT, 0 }, /* \" */ | ||
{ roff_Dd, ROFF_TEXT, 0 }, /* Dd */ | { roff_Dd, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* Dd */ | ||
{ roff_Dt, ROFF_TEXT, 0 }, /* Dt */ | { roff_Dt, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* Dt */ | ||
{ roff_Os, ROFF_TEXT, 0 }, /* Os */ | { roff_Os, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_QUOTES }, /* Os */ | ||
{ roff_layout, ROFF_LAYOUT, ROFF_PARSED }, /* Sh */ | { roff_layout, NULL, NULL, NULL, ROFF_Sh, ROFF_LAYOUT, ROFF_PARSED }, /* Sh */ | ||
{ roff_layout, ROFF_LAYOUT, ROFF_PARSED }, /* Ss XXX */ | { roff_layout, NULL, NULL, NULL, ROFF_Ss, ROFF_LAYOUT, ROFF_PARSED }, /* Ss */ | ||
{ roff_layout, ROFF_LAYOUT, 0 }, /* Pp */ | { roff_text, NULL, NULL, NULL, ROFF_Pp, ROFF_TEXT, 0 }, /* Pp */ | ||
{ roff_layout, ROFF_LAYOUT, 0 }, /* D1 */ | { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* D1 */ | ||
{ roff_layout, ROFF_LAYOUT, 0 }, /* Dl */ | { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* Dl */ | ||
{ roff_layout, ROFF_LAYOUT, 0 }, /* Bd */ | { roff_layout, NULL, NULL, NULL, 0, ROFF_LAYOUT, 0 }, /* Bd */ | ||
{ roff_layout, ROFF_LAYOUT, 0 }, /* Ed */ | { roff_close, NULL, NULL, NULL, ROFF_Bd, ROFF_LAYOUT, 0 }, /* Ed */ | ||
{ roff_layout, ROFF_LAYOUT, 0 }, /* Bl */ | { roff_layout, roffarg_Bl, NULL, roffchild_Bl, 0, ROFF_LAYOUT, 0 }, /* Bl */ | ||
{ roff_layout, ROFF_LAYOUT, 0 }, /* El */ | { roff_close, NULL, roffparent_El, NULL, ROFF_Bl, ROFF_LAYOUT, 0 }, /* El */ | ||
{ roff_layout, ROFF_LAYOUT, 0 }, /* It */ | { roff_layout, NULL, roffparent_It, NULL, ROFF_It, ROFF_LAYOUT, ROFF_SHALLOW }, /* It */ | ||
{ roff_text, ROFF_TEXT, ROFF_PARSED }, /* An */ | { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Ad */ | ||
{ roff_text, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Li */ | { 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, ROFF_QUOTES }, /* 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, ROFF_QUOTES }, /* 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 }, /* Op */ | |||
{ NULL, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* Ot */ /* XXX deprecated */ | |||
{ 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 }, /* 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 */ | |||
{ NULL, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* Bf */ /* FIXME */ | |||
{ roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Bo */ | |||
{ NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Bq */ | |||
{ roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* Bsx */ | |||
{ roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* Bx */ | |||
{roff_special, 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 }, /* Dq */ | |||
{ roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Ec */ | |||
{ NULL, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* Ef */ /* FIXME */ | |||
{ 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 */ | |||
{ NULL, 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 */ | |||
{ roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* Pf */ | |||
{ roff_text, NULL, NULL, NULL, 0, ROFF_LAYOUT, ROFF_PARSED | ROFF_CALLABLE }, /* Po */ | |||
{ roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* 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_layout, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Qo */ | |||
{ roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Qq */ | |||
{ roff_close, 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 }, /* Sq */ | |||
{roff_special, 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, NULL, 0, ROFF_LAYOUT, 0 }, /* Fo */ | |||
{ roff_close, NULL, roffparent_Fc, NULL, ROFF_Fo, ROFF_LAYOUT, 0 }, /* Fc */ | |||
{ roff_layout, NULL, NULL, NULL, 0, ROFF_LAYOUT, 0 }, /* Oo */ | |||
{ roff_close, NULL, roffparent_Oc, NULL, ROFF_Oo, ROFF_LAYOUT, 0 }, /* Oc */ | |||
{ roff_layout, NULL, NULL, NULL, 0, ROFF_LAYOUT, 0 }, /* Bk */ | |||
{ roff_close, NULL, NULL, NULL, ROFF_Bk, ROFF_LAYOUT, 0 }, /* Ek */ | |||
}; | }; | ||
/* FIXME: multiple owners? */ | /* Table of all known token arguments. */ | ||
static const struct roffarg tokenargs[ROFF_ARGMAX] = { | static const struct roffarg tokenargs[ROFF_ARGMAX] = { | ||
{ ROFF_An, 0 }, /* split */ | { 0 }, /* split */ | ||
{ ROFF_An, 0 }, /* nosplit */ | { 0 }, /* nosplit */ | ||
{ ROFF_Bd, 0 }, /* ragged */ | { 0 }, /* ragged */ | ||
{ ROFF_Bd, 0 }, /* unfilled */ | { 0 }, /* unfilled */ | ||
{ ROFF_Bd, 0 }, /* literal */ | { 0 }, /* literal */ | ||
{ ROFF_Bd, ROFF_VALUE }, /* file */ | { ROFF_VALUE }, /* file */ | ||
{ ROFF_Bd, ROFF_VALUE }, /* offset */ | { ROFF_VALUE }, /* offset */ | ||
{ ROFF_Bl, 0 }, /* bullet */ | { 0 }, /* bullet */ | ||
{ ROFF_Bl, 0 }, /* dash */ | { 0 }, /* dash */ | ||
{ ROFF_Bl, 0 }, /* hyphen */ | { 0 }, /* hyphen */ | ||
{ ROFF_Bl, 0 }, /* item */ | { 0 }, /* item */ | ||
{ ROFF_Bl, 0 }, /* enum */ | { 0 }, /* enum */ | ||
{ ROFF_Bl, 0 }, /* tag */ | { 0 }, /* tag */ | ||
{ ROFF_Bl, 0 }, /* diag */ | { 0 }, /* diag */ | ||
{ ROFF_Bl, 0 }, /* hang */ | { 0 }, /* hang */ | ||
{ ROFF_Bl, 0 }, /* ohang */ | { 0 }, /* ohang */ | ||
{ ROFF_Bl, 0 }, /* inset */ | { 0 }, /* inset */ | ||
{ ROFF_Bl, 0 }, /* column */ | { 0 }, /* column */ | ||
{ 0 }, /* width */ | |||
{ 0 }, /* compact */ | |||
{ 0 }, /* std */ | |||
{ 0 }, /* p1003_1_88 */ | |||
{ 0 }, /* p1003_1_90 */ | |||
{ 0 }, /* p1003_1_96 */ | |||
{ 0 }, /* p1003_1_2001 */ | |||
{ 0 }, /* p1003_1_2004 */ | |||
{ 0 }, /* p1003_1 */ | |||
{ 0 }, /* p1003_1b */ | |||
{ 0 }, /* p1003_1b_93 */ | |||
{ 0 }, /* p1003_1c_95 */ | |||
{ 0 }, /* p1003_1g_2000 */ | |||
{ 0 }, /* p1003_2_92 */ | |||
{ 0 }, /* p1387_2_95 */ | |||
{ 0 }, /* p1003_2 */ | |||
{ 0 }, /* p1387_2 */ | |||
{ 0 }, /* isoC_90 */ | |||
{ 0 }, /* isoC_amd1 */ | |||
{ 0 }, /* isoC_tcor1 */ | |||
{ 0 }, /* isoC_tcor2 */ | |||
{ 0 }, /* isoC_99 */ | |||
{ 0 }, /* ansiC */ | |||
{ 0 }, /* ansiC_89 */ | |||
{ 0 }, /* ansiC_99 */ | |||
{ 0 }, /* ieee754 */ | |||
{ 0 }, /* iso8802_3 */ | |||
{ 0 }, /* xpg3 */ | |||
{ 0 }, /* xpg4 */ | |||
{ 0 }, /* xpg4_2 */ | |||
{ 0 }, /* xpg4_3 */ | |||
{ 0 }, /* xbd5 */ | |||
{ 0 }, /* xcu5 */ | |||
{ 0 }, /* xsh5 */ | |||
{ 0 }, /* xns5 */ | |||
{ 0 }, /* xns5_2d2_0 */ | |||
{ 0 }, /* xcurses4_2 */ | |||
{ 0 }, /* susv2 */ | |||
{ 0 }, /* susv3 */ | |||
{ 0 }, /* svid4 */ | |||
}; | }; | ||
static const char *const toknames[ROFF_MAX] = ROFF_NAMES; | const char *const toknamesp[ROFF_MAX] = | ||
static const char *const tokargnames[ROFF_ARGMAX] = ROFF_ARGNAMES; | { | ||
"\\\"", "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", | |||
"Xr", "\%A", "\%B", "\%D", | |||
"\%I", "\%J", "\%N", "\%O", | |||
"\%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", | |||
}; | |||
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" | |||
}; | |||
const char *const *toknames = toknamesp; | |||
const char *const *tokargnames = tokargnamesp; | |||
int | int | ||
roff_free(struct rofftree *tree, int flush) | roff_free(struct rofftree *tree, int flush) | ||
{ | { | ||
|
|
||
struct rofftree * | struct rofftree * | ||
roff_alloc(const struct md_args *args, struct md_mbuf *out, | roff_alloc(const struct md_args *args, struct md_mbuf *out, | ||
const struct md_rbuf *in, roffin textin, | const struct md_rbuf *in, const struct roffcb *cb) | ||
roffout textout, roffblkin blkin, roffblkout blkout) | |||
{ | { | ||
struct rofftree *tree; | struct rofftree *tree; | ||
|
|
||
tree->args = args; | tree->args = args; | ||
tree->mbuf = out; | tree->mbuf = out; | ||
tree->rbuf = in; | tree->rbuf = in; | ||
tree->roffin = textin; | tree->cb = cb; | ||
tree->roffout = textout; | |||
tree->roffblkin = blkin; | |||
tree->roffblkout = blkout; | |||
return(tree); | return(tree); | ||
} | } | ||
|
|
||
static int | static int | ||
roffargs(int tok, char *buf, char **argv) | roffargs(const struct rofftree *tree, | ||
int tok, char *buf, char **argv) | |||
{ | { | ||
int i; | int i; | ||
(void)tok;/* FIXME: quotable strings? */ | |||
assert(tok >= 0 && tok < ROFF_MAX); | assert(tok >= 0 && tok < ROFF_MAX); | ||
assert('.' == *buf); | assert('.' == *buf); | ||
/* LINTED */ | /* LINTED */ | ||
for (i = 0; *buf && i < ROFF_MAXARG; i++) { | for (i = 0; *buf && i < ROFF_MAXARG; i++) { | ||
argv[i] = buf++; | if ('\"' == *buf) { | ||
while (*buf && ! isspace(*buf)) | argv[i] = ++buf; | ||
buf++; | while (*buf && '\"' != *buf) | ||
if (0 == *buf) { | buf++; | ||
continue; | if (0 == *buf) { | ||
warnx("%s: unclosed quoted arg for " | |||
"`%s' (line %zu)", | |||
tree->rbuf->name, | |||
toknames[tok], | |||
tree->rbuf->line); | |||
return(0); | |||
} | |||
} else { | |||
argv[i] = buf++; | |||
while (*buf && ! isspace(*buf)) | |||
buf++; | |||
if (0 == *buf) | |||
continue; | |||
} | } | ||
*buf++ = 0; | *buf++ = 0; | ||
while (*buf && isspace(*buf)) | while (*buf && isspace(*buf)) | ||
|
|
||
} | } | ||
assert(i > 0); | assert(i > 0); | ||
if (i < ROFF_MAXARG) | if (ROFF_MAXARG == i && *buf) { | ||
argv[i] = NULL; | warnx("%s: too many args for `%s' (line %zu)", | ||
tree->rbuf->name, toknames[tok], | |||
tree->rbuf->line); | |||
return(0); | |||
} | |||
return(ROFF_MAXARG > i); | #ifdef DEBUG | ||
(void)printf("argparse: %d arguments for `%s'\n", | |||
i, toknames[tok]); | |||
#endif | |||
argv[i] = NULL; | |||
return(1); | |||
} | } | ||
/* XXX */ | |||
static int | static int | ||
roffscan(int tok, const int *tokv) | |||
{ | |||
if (NULL == tokv) | |||
return(1); | |||
for ( ; ROFF_MAX != *tokv; tokv++) | |||
if (tok == *tokv) | |||
return(1); | |||
return(0); | |||
} | |||
static int | |||
roffparse(struct rofftree *tree, char *buf, size_t sz) | roffparse(struct rofftree *tree, char *buf, size_t sz) | ||
{ | { | ||
int tok, t; | int tok, t; | ||
struct roffnode *node; | struct roffnode *n; | ||
char *argv[ROFF_MAXARG]; | char *argv[ROFF_MAXARG]; | ||
const char **argvp; | const char **argvp; | ||
assert(sz > 0); | assert(sz > 0); | ||
/* | if (ROFF_MAX == (tok = rofffindtok(buf + 1))) { | ||
* Extract the token identifier from the buffer. If there's no | warnx("%s: unknown line macro (line %zu)", | ||
* callback for the token (comment, etc.) then exit immediately. | tree->rbuf->name, tree->rbuf->line); | ||
* We don't do any error handling (yet), so if the token doesn't | |||
* exist, die. | |||
*/ | |||
if (3 > sz) { | |||
warnx("%s: malformed line (line %zu)", | |||
tree->rbuf->name, | |||
tree->rbuf->line); | |||
return(0); | return(0); | ||
} else if (ROFF_MAX == (tok = rofffindtok(buf + 1))) { | } else if (NULL == tokens[tok].cb) { | ||
warnx("%s: unknown line token `%c%c' (line %zu)", | warnx("%s: macro `%s' not supported (line %zu)", | ||
tree->rbuf->name, | tree->rbuf->name, toknames[tok], | ||
*(buf + 1), *(buf + 2), | |||
tree->rbuf->line); | tree->rbuf->line); | ||
return(0); | return(0); | ||
} else if (ROFF_COMMENT == tokens[tok].type) | } else if (ROFF_COMMENT == tokens[tok].type) | ||
/* Ignore comment tokens. */ | |||
return(1); | return(1); | ||
if ( ! roffargs(tok, buf, argv)) { | if ( ! roffargs(tree, tok, buf, argv)) | ||
warnx("%s: too many arguments to `%s' (line %zu)", | return(0); | ||
else | |||
argvp = (const char **)argv + 1; | |||
/* | |||
* Prelude macros break some assumptions: branch now. | |||
*/ | |||
if (ROFF_PRELUDE & tree->state) { | |||
assert(NULL == tree->last); | |||
return((*tokens[tok].cb)(tok, tree, argvp, ROFF_ENTER)); | |||
} else | |||
assert(tree->last); | |||
assert(ROFF_BODY & tree->state); | |||
/* | |||
* First check that our possible parents and parent's possible | |||
* children are satisfied. | |||
*/ | |||
if ( ! roffscan(tree->last->tok, tokens[tok].parents)) { | |||
warnx("%s: invalid parent `%s' for `%s' (line %zu)", | |||
tree->rbuf->name, | |||
toknames[tree->last->tok], | |||
toknames[tok], tree->rbuf->line); | |||
return(0); | |||
} | |||
if ( ! roffscan(tok, tokens[tree->last->tok].children)) { | |||
warnx("%s: invalid child `%s' for `%s' (line %zu)", | |||
tree->rbuf->name, toknames[tok], | tree->rbuf->name, toknames[tok], | ||
toknames[tree->last->tok], | |||
tree->rbuf->line); | tree->rbuf->line); | ||
return(0); | return(0); | ||
} | } | ||
/* | /* | ||
* If this is a non-nestable layout token and we're below a | * Branch if we're not a layout token. | ||
* token of the same type, then recurse upward to the token, | |||
* closing out the interim scopes. | |||
* | |||
* If there's a nested token on the chain, then raise an error | |||
* as nested tokens have corresponding "ending" tokens and we're | |||
* breaking their scope. | |||
*/ | */ | ||
node = NULL; | if (ROFF_LAYOUT != tokens[tok].type) | ||
return((*tokens[tok].cb)(tok, tree, argvp, ROFF_ENTER)); | |||
if (ROFF_LAYOUT == tokens[tok].type && | /* | ||
! (ROFF_NESTED & tokens[tok].flags)) { | * Check our scope rules. | ||
for (node = tree->last; node; node = node->parent) { | */ | ||
if (node->tok == tok) | |||
break; | |||
/* Don't break nested scope. */ | if (0 == tokens[tok].ctx) | ||
return((*tokens[tok].cb)(tok, tree, argvp, ROFF_ENTER)); | |||
if ( ! (ROFF_NESTED & tokens[node->tok].flags)) | if (tok == tokens[tok].ctx) { | ||
continue; | for (n = tree->last; n; n = n->parent) { | ||
warnx("%s: scope of %s (line %zu) broken by " | assert(0 == tokens[n->tok].ctx || | ||
"%s (line %zu)", | n->tok == tokens[n->tok].ctx); | ||
tree->rbuf->name, | if (n->tok == tok) | ||
toknames[tok], node->line, | break; | ||
toknames[node->tok], | if (ROFF_SHALLOW & tokens[tok].flags) { | ||
tree->rbuf->line); | n = NULL; | ||
return(0); | break; | ||
} | |||
} | } | ||
} | |||
if (node) { | /* | ||
assert(ROFF_LAYOUT == tokens[tok].type); | * Create a new scope, as no previous one exists to | ||
assert( ! (ROFF_NESTED & tokens[tok].flags)); | * close out. | ||
assert(node->tok == tok); | */ | ||
if (NULL == n) { | |||
#ifdef DEBUG | |||
(void)printf("scope: new `%s'\n", | |||
toknames[tok]); | |||
#endif | |||
return((*tokens[tok].cb)(tok, tree, argvp, ROFF_ENTER)); | |||
} | |||
/* Clear up to last scoped token. */ | /* | ||
* Close out all intermediary scoped blocks. | |||
*/ | |||
/* LINTED */ | |||
do { | do { | ||
t = tree->last->tok; | t = tree->last->tok; | ||
if ( ! (*tokens[tree->last->tok].cb) | #ifdef DEBUG | ||
(tree->last->tok, tree, NULL, ROFF_EXIT)) | (void)printf("scope: closing `%s'\n", | ||
toknames[t]); | |||
#endif | |||
if ( ! (*tokens[t].cb)(t, tree, NULL, ROFF_EXIT)) | |||
return(0); | return(0); | ||
} while (t != tok); | } while (t != tok); | ||
#ifdef DEBUG | |||
(void)printf("scope: new parent of `%s' is `%s'\n", | |||
toknames[tok], | |||
toknames[tree->last->tok]); | |||
#endif | |||
return((*tokens[tok].cb)(tok, tree, argvp, ROFF_ENTER)); | |||
} | } | ||
/* Proceed with actual token processing. */ | assert(tree->last); | ||
assert(tok != tokens[tok].ctx && 0 != tokens[tok].ctx); | |||
argvp = (const char **)&argv[1]; | do { | ||
return((*tokens[tok].cb)(tok, tree, argvp, ROFF_ENTER)); | t = tree->last->tok; | ||
#ifdef DEBUG | |||
(void)printf("scope: closing `%s'\n", toknames[t]); | |||
#endif | |||
if ( ! (*tokens[t].cb)(t, tree, NULL, ROFF_EXIT)) | |||
return(0); | |||
} while (t != tokens[tok].ctx); | |||
assert(tree->last); | |||
return(1); | |||
} | } | ||
|
|
||
static int | static int | ||
rofffindtok(const char *name) | rofffindtok(const char *buf) | ||
{ | { | ||
char token[4]; | |||
size_t i; | size_t i; | ||
for (i = 0; *buf && ! isspace(*buf) && i < 3; i++, buf++) | |||
token[i] = *buf; | |||
if (i == 3) | |||
return(ROFF_MAX); | |||
token[i] = 0; | |||
/* FIXME: use a table, this is slow but ok for now. */ | /* FIXME: use a table, this is slow but ok for now. */ | ||
/* LINTED */ | /* LINTED */ | ||
for (i = 0; i < ROFF_MAX; i++) | for (i = 0; i < ROFF_MAX; i++) | ||
/* LINTED */ | /* LINTED */ | ||
if (0 == strncmp(name, toknames[i], 2)) | if (0 == strcmp(toknames[i], token)) { | ||
#ifdef DEBUG | |||
(void)printf("lookup (good): `%s' (%d)\n", | |||
token, (int)i); | |||
#endif | |||
return((int)i); | return((int)i); | ||
} | |||
#ifdef DEBUG | |||
(void)printf("lookup (bad): `%s'\n", token); | |||
#endif | |||
return(ROFF_MAX); | return(ROFF_MAX); | ||
} | } | ||
|
|
||
if (ROFF_MAX == (c = rofffindtok(name))) | if (ROFF_MAX == (c = rofffindtok(name))) | ||
return(ROFF_MAX); | return(ROFF_MAX); | ||
assert(c >= 0 && c < ROFF_MAX); | |||
return(ROFF_CALLABLE & tokens[c].flags ? c : ROFF_MAX); | return(ROFF_CALLABLE & tokens[c].flags ? c : ROFF_MAX); | ||
} | } | ||
|
|
||
p->tok = tokid; | p->tok = tokid; | ||
p->parent = tree->last; | p->parent = tree->last; | ||
tree->last = p; | tree->last = p; | ||
#ifdef DEBUG | |||
(void)printf("scope: new `%s' child of `%s'\n", | |||
toknames[tree->last->tok], | |||
tree->last->parent ? | |||
toknames[tree->last->parent->tok] : | |||
"<root>"); | |||
#endif | |||
return(p); | return(p); | ||
} | } | ||
static int | |||
roffargok(int tokid, int argid) | |||
{ | |||
const int *c; | |||
if (NULL == (c = tokens[tokid].args)) | |||
return(0); | |||
for ( ; ROFF_ARGMAX != *c; c++) | |||
if (argid == *c) | |||
return(1); | |||
return(0); | |||
} | |||
static void | static void | ||
roffnode_free(int tokid, struct rofftree *tree) | roffnode_free(int tokid, struct rofftree *tree) | ||
{ | { | ||
|
|
||
assert(tree->last); | assert(tree->last); | ||
assert(tree->last->tok == tokid); | assert(tree->last->tok == tokid); | ||
#ifdef DEBUG | |||
(void)printf("scope: closing `%s' back to `%s'\n", | |||
toknames[tree->last->tok], | |||
tree->last->parent ? | |||
toknames[tree->last->parent->tok] : | |||
"<root>"); | |||
#endif | |||
p = tree->last; | p = tree->last; | ||
tree->last = tree->last->parent; | tree->last = tree->last->parent; | ||
free(p); | free(p); | ||
} | } | ||
static int | |||
roffnextopt(int tok, const char ***in, char **val) | |||
{ | |||
const char *arg, **argv; | |||
int v; | |||
*val = NULL; | |||
argv = *in; | |||
assert(argv); | |||
if (NULL == (arg = *argv)) | |||
return(-1); | |||
if ('-' != *arg) | |||
return(-1); | |||
/* FIXME: should we let this slide... ? */ | |||
if (ROFF_ARGMAX == (v = rofffindarg(&arg[1]))) | |||
return(-1); | |||
/* FIXME: should we let this slide... ? */ | |||
if ( ! roffargok(tok, v)) | |||
return(-1); | |||
if ( ! (ROFF_VALUE & tokenargs[v].flags)) | |||
return(v); | |||
*in = ++argv; | |||
/* FIXME: what if this looks like a roff token or argument? */ | |||
return(*argv ? v : ROFF_ARGMAX); | |||
} | |||
/* ARGSUSED */ | /* ARGSUSED */ | ||
static int | static int | ||
roff_Dd(ROFFCALL_ARGS) | roff_Dd(ROFFCALL_ARGS) | ||
|
|
||
assert(ROFF_PRELUDE & tree->state); | assert(ROFF_PRELUDE & tree->state); | ||
assert( ! (ROFF_BODY & tree->state)); | assert( ! (ROFF_BODY & tree->state)); | ||
if (ROFF_PRELUDE_Dd & tree->state || | if (ROFF_PRELUDE_Dd & tree->state) { | ||
ROFF_PRELUDE_Dt & tree->state) { | warnx("%s: prelude `Dd' repeated (line %zu)", | ||
tree->rbuf->name, tree->rbuf->line); | |||
return(0); | |||
} else if (ROFF_PRELUDE_Dt & tree->state) { | |||
warnx("%s: prelude `Dd' out-of-order (line %zu)", | warnx("%s: prelude `Dd' out-of-order (line %zu)", | ||
tree->rbuf->name, tree->rbuf->line); | tree->rbuf->name, tree->rbuf->line); | ||
return(0); | return(0); | ||
|
|
||
assert(ROFF_PRELUDE & tree->state); | assert(ROFF_PRELUDE & tree->state); | ||
assert( ! (ROFF_BODY & tree->state)); | assert( ! (ROFF_BODY & tree->state)); | ||
if ( ! (ROFF_PRELUDE_Dd & tree->state) || | if ( ! (ROFF_PRELUDE_Dd & tree->state)) { | ||
(ROFF_PRELUDE_Dt & tree->state)) { | |||
warnx("%s: prelude `Dt' out-of-order (line %zu)", | warnx("%s: prelude `Dt' out-of-order (line %zu)", | ||
tree->rbuf->name, tree->rbuf->line); | tree->rbuf->name, tree->rbuf->line); | ||
return(0); | return(0); | ||
} else if (ROFF_PRELUDE_Dt & tree->state) { | |||
warnx("%s: prelude `Dt' repeated (line %zu)", | |||
tree->rbuf->name, tree->rbuf->line); | |||
return(0); | |||
} | } | ||
/* TODO: parse date. */ | /* TODO: parse date. */ | ||
|
|
||
} | } | ||
/* ARGUSED */ | |||
static int | |||
roffnextopt(const char ***in, char **val) | |||
{ | |||
const char *arg, **argv; | |||
int v; | |||
*val = NULL; | |||
argv = *in; | |||
assert(argv); | |||
if (NULL == (arg = *argv)) | |||
return(-1); | |||
if ('-' != *arg) | |||
return(-1); | |||
if (ROFF_ARGMAX == (v = rofffindarg(&arg[1]))) | |||
return(-1); | |||
if ( ! (ROFF_VALUE & tokenargs[v].flags)) | |||
return(v); | |||
*in = ++argv; | |||
/* FIXME: what if this looks like a roff token or argument? */ | |||
return(*argv ? v : ROFF_ARGMAX); | |||
} | |||
/* ARGSUSED */ | /* ARGSUSED */ | ||
static int | static int | ||
roff_layout(ROFFCALL_ARGS) | roff_layout(ROFFCALL_ARGS) | ||
|
|
||
if (ROFF_PRELUDE & tree->state) { | if (ROFF_PRELUDE & tree->state) { | ||
warnx("%s: macro `%s' called in prelude (line %zu)", | warnx("%s: macro `%s' called in prelude (line %zu)", | ||
tree->rbuf->name, toknames[tok], | tree->rbuf->name, | ||
toknames[tok], | |||
tree->rbuf->line); | tree->rbuf->line); | ||
return(0); | return(0); | ||
} | } | ||
if (ROFF_EXIT == type) { | if (ROFF_EXIT == type) { | ||
roffnode_free(tok, tree); | roffnode_free(tok, tree); | ||
return((*tree->roffblkout)(tok)); | return((*tree->cb->roffblkout)(tok)); | ||
} | } | ||
i = 0; | i = 0; | ||
while (-1 != (c = roffnextopt(&argv, &v))) { | |||
while (-1 != (c = roffnextopt(tok, &argv, &v))) { | |||
if (ROFF_ARGMAX == c) { | if (ROFF_ARGMAX == c) { | ||
warnx("%s: error parsing `%s' args (line %zu)", | warnx("%s: error parsing `%s' args (line %zu)", | ||
tree->rbuf->name, | tree->rbuf->name, | ||
toknames[tok], | toknames[tok], | ||
tree->rbuf->line); | tree->rbuf->line); | ||
return(0); | return(0); | ||
} else if ( ! roffargok(tok, c)) { | |||
warnx("%s: arg `%s' not for `%s' (line %zu)", | |||
tree->rbuf->name, | |||
tokargnames[c], | |||
toknames[tok], | |||
tree->rbuf->line); | |||
return(0); | |||
} | } | ||
argcp[i] = c; | argcp[i] = c; | ||
argvp[i] = v; | argvp[i] = v; | ||
i++; | |||
argv++; | argv++; | ||
} | } | ||
argcp[i] = ROFF_ARGMAX; | |||
argvp[i] = NULL; | |||
if (NULL == roffnode_new(tok, tree)) | if (NULL == roffnode_new(tok, tree)) | ||
return(0); | return(0); | ||
if ( ! (*tree->roffin)(tok, argcp, argvp)) | if ( ! (*tree->cb->roffin)(tok, argcp, argvp)) | ||
return(0); | return(0); | ||
if ( ! (ROFF_PARSED & tokens[tok].flags)) { | if ( ! (ROFF_PARSED & tokens[tok].flags)) { | ||
/* TODO: print all tokens. */ | /* TODO: print all tokens. */ | ||
if ( ! ((*tree->roffout)(tok))) | if ( ! ((*tree->cb->roffout)(tok))) | ||
return(0); | return(0); | ||
return((*tree->roffblkin)(tok)); | return((*tree->cb->roffblkin)(tok)); | ||
} | } | ||
while (*argv) { | while (*argv) { | ||
if (2 >= strlen(*argv) && ROFF_MAX != | if (ROFF_MAX != (c = rofffindcallable(*argv))) { | ||
(c = rofffindcallable(*argv))) | if (NULL == tokens[c].cb) { | ||
warnx("%s: macro `%s' not supported " | |||
"(line %zu)", | |||
tree->rbuf->name, | |||
toknames[c], | |||
tree->rbuf->line); | |||
return(0); | |||
} | |||
if ( ! (*tokens[c].cb)(c, tree, | if ( ! (*tokens[c].cb)(c, tree, | ||
argv + 1, ROFF_ENTER)) | argv + 1, ROFF_ENTER)) | ||
return(0); | return(0); | ||
} | |||
/* TODO: print token. */ | /* TODO: print token. */ | ||
argv++; | argv++; | ||
} | } | ||
if ( ! ((*tree->roffout)(tok))) | if ( ! ((*tree->cb->roffout)(tok))) | ||
return(0); | return(0); | ||
return((*tree->roffblkin)(tok)); | return((*tree->cb->roffblkin)(tok)); | ||
} | } | ||
|
|
||
if (ROFF_PRELUDE & tree->state) { | if (ROFF_PRELUDE & tree->state) { | ||
warnx("%s: macro `%s' called in prelude (line %zu)", | warnx("%s: macro `%s' called in prelude (line %zu)", | ||
tree->rbuf->name, toknames[tok], | tree->rbuf->name, | ||
toknames[tok], | |||
tree->rbuf->line); | tree->rbuf->line); | ||
return(0); | return(0); | ||
} | } | ||
i = 0; | i = 0; | ||
while (-1 != (c = roffnextopt(&argv, &v))) { | |||
while (-1 != (c = roffnextopt(tok, &argv, &v))) { | |||
if (ROFF_ARGMAX == c) { | if (ROFF_ARGMAX == c) { | ||
warnx("%s: error parsing `%s' args (line %zu)", | warnx("%s: error parsing `%s' args (line %zu)", | ||
tree->rbuf->name, | tree->rbuf->name, | ||
toknames[tok], | toknames[tok], | ||
tree->rbuf->line); | tree->rbuf->line); | ||
return(0); | return(0); | ||
} | } | ||
argcp[i] = c; | argcp[i] = c; | ||
argvp[i] = v; | argvp[i] = v; | ||
i++; | |||
argv++; | argv++; | ||
} | } | ||
if ( ! (*tree->roffin)(tok, argcp, argvp)) | argcp[i] = ROFF_ARGMAX; | ||
argvp[i] = NULL; | |||
if ( ! (*tree->cb->roffin)(tok, argcp, argvp)) | |||
return(0); | return(0); | ||
if ( ! (ROFF_PARSED & tokens[tok].flags)) { | if ( ! (ROFF_PARSED & tokens[tok].flags)) { | ||
/* TODO: print all tokens. */ | /* TODO: print all tokens. */ | ||
return((*tree->roffout)(tok)); | return((*tree->cb->roffout)(tok)); | ||
} | } | ||
while (*argv) { | while (*argv) { | ||
if (2 >= strlen(*argv) && ROFF_MAX != | if (ROFF_MAX != (c = rofffindcallable(*argv))) { | ||
(c = rofffindcallable(*argv))) | if (NULL == tokens[c].cb) { | ||
warnx("%s: macro `%s' not supported " | |||
"(line %zu)", | |||
tree->rbuf->name, | |||
toknames[c], | |||
tree->rbuf->line); | |||
return(0); | |||
} | |||
if ( ! (*tokens[c].cb)(c, tree, | if ( ! (*tokens[c].cb)(c, tree, | ||
argv + 1, ROFF_ENTER)) | argv + 1, ROFF_ENTER)) | ||
return(0); | return(0); | ||
} | |||
/* TODO: print token. */ | /* TODO: print token. */ | ||
argv++; | argv++; | ||
} | } | ||
return((*tree->roffout)(tok)); | return((*tree->cb->roffout)(tok)); | ||
} | |||
/* ARGSUSED */ | |||
static int | |||
roff_comment(ROFFCALL_ARGS) | |||
{ | |||
return(1); | |||
} | |||
/* ARGSUSED */ | |||
static int | |||
roff_close(ROFFCALL_ARGS) | |||
{ | |||
return(1); | |||
} | |||
/* ARGSUSED */ | |||
static int | |||
roff_special(ROFFCALL_ARGS) | |||
{ | |||
return((*tree->cb->roffspecial)(tok)); | |||
} | } |