Return to roff.c CVS log | Up to [cvsweb.bsd.lv] / mandoc |
version 1.8, 2008/11/26 22:27:08 | version 1.30, 2008/12/01 21:25:48 | ||
---|---|---|---|
|
|
||
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR | ||
* PERFORMANCE OF THIS SOFTWARE. | * PERFORMANCE OF THIS SOFTWARE. | ||
*/ | */ | ||
#include <sys/param.h> | |||
#include <assert.h> | #include <assert.h> | ||
#include <ctype.h> | #include <ctype.h> | ||
#include <err.h> | #include <err.h> | ||
#include <stdarg.h> | |||
#include <stdlib.h> | #include <stdlib.h> | ||
#include <stdio.h> | #include <stdio.h> | ||
#include <string.h> | #include <string.h> | ||
|
|
||
#include "libmdocml.h" | #include "libmdocml.h" | ||
#include "private.h" | #include "private.h" | ||
/* FIXME: warn if Pp occurs before/after Sh etc. (see mdoc.samples). */ | /* TODO: warn if Pp occurs before/after Sh etc. (see mdoc.samples). */ | ||
/* FIXME: warn about "X section only" macros. */ | /* TODO: warn about "X section only" macros. */ | ||
/* FIXME: warn about empty lists. */ | /* TODO: warn about empty lists. */ | ||
/* FIXME: ; : } ) (etc.) after text macros? */ | /* TODO: (warn) some sections need specific elements. */ | ||
#define ROFF_MAXARG 10 | /* 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 { | enum roffd { | ||
ROFF_ENTER = 0, | ROFF_ENTER = 0, | ||
ROFF_EXIT | ROFF_EXIT | ||
|
|
||
enum rofftype { | enum rofftype { | ||
ROFF_COMMENT, | ROFF_COMMENT, | ||
ROFF_TEXT, | ROFF_TEXT, | ||
ROFF_LAYOUT | ROFF_LAYOUT, | ||
ROFF_SPECIAL | |||
}; | }; | ||
#define ROFFCALL_ARGS \ | #define ROFFCALL_ARGS \ | ||
int tok, struct rofftree *tree, \ | int tok, struct rofftree *tree, \ | ||
const char *argv[], enum roffd type | char *argv[], enum roffd type | ||
struct rofftree; | struct rofftree; | ||
|
|
||
int flags; | int flags; | ||
#define ROFF_PARSED (1 << 0) /* "Parsed". */ | #define ROFF_PARSED (1 << 0) /* "Parsed". */ | ||
#define ROFF_CALLABLE (1 << 1) /* "Callable". */ | #define ROFF_CALLABLE (1 << 1) /* "Callable". */ | ||
#define ROFF_QUOTES (1 << 2) /* Quoted args. */ | #define ROFF_SHALLOW (1 << 2) /* Nesting block. */ | ||
#define ROFF_LSCOPE (1 << 3) | |||
}; | }; | ||
struct roffarg { | struct roffarg { | ||
|
|
||
struct roffnode { | struct roffnode { | ||
int tok; /* Token id. */ | int tok; /* Token id. */ | ||
struct roffnode *parent; /* Parent (or NULL). */ | struct roffnode *parent; /* Parent (or NULL). */ | ||
size_t line; /* Parsed at line. */ | |||
}; | }; | ||
struct rofftree { | struct rofftree { | ||
struct roffnode *last; /* Last parsed node. */ | struct roffnode *last; /* Last parsed node. */ | ||
time_t date; /* `Dd' results. */ | char *cur; | ||
struct tm tm; /* `Dd' results. */ | |||
char os[64]; /* `Os' results. */ | char os[64]; /* `Os' results. */ | ||
char title[64]; /* `Dt' results. */ | char title[64]; /* `Dt' results. */ | ||
char section[64]; /* `Dt' results. */ | char section[64]; /* `Dt' results. */ | ||
char volume[64]; /* `Dt' results. */ | char volume[64]; /* `Dt' results. */ | ||
int state; | int state; | ||
#define ROFF_PRELUDE (1 << 1) /* In roff prelude. */ | #define ROFF_PRELUDE (1 << 1) /* In roff prelude. */ | ||
/* FIXME: if we had prev ptrs, this wouldn't be necessary. */ | |||
#define ROFF_PRELUDE_Os (1 << 2) /* `Os' is parsed. */ | #define ROFF_PRELUDE_Os (1 << 2) /* `Os' is parsed. */ | ||
#define ROFF_PRELUDE_Dt (1 << 3) /* `Dt' is parsed. */ | #define ROFF_PRELUDE_Dt (1 << 3) /* `Dt' is parsed. */ | ||
#define ROFF_PRELUDE_Dd (1 << 4) /* `Dd' is parsed. */ | #define ROFF_PRELUDE_Dd (1 << 4) /* `Dd' is parsed. */ | ||
#define ROFF_BODY (1 << 5) /* In roff body. */ | #define ROFF_BODY (1 << 5) /* In roff body. */ | ||
struct md_mbuf *mbuf; /* Output (or NULL). */ | |||
const struct md_args *args; /* Global args. */ | struct roffcb cb; | ||
const struct md_rbuf *rbuf; /* Input. */ | void *arg; | ||
const struct roffcb *cb; | |||
}; | }; | ||
static int roff_Dd(ROFFCALL_ARGS); | static int roff_Dd(ROFFCALL_ARGS); | ||
|
|
||
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_noop(ROFFCALL_ARGS); | ||
static int roff_depr(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(struct rofftree *); | ||
static void roff_warn(const struct rofftree *, | |||
const char *, char *, ...); | |||
static void roff_err(const struct rofftree *, | |||
const char *, char *, ...); | |||
static int roffscan(int, const int *); | 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 roffargok(int, int); | ||
static int roffnextopt(int, const char ***, char **); | static int roffnextopt(const struct rofftree *, | ||
static int roffparse(struct rofftree *, char *, size_t); | int, char ***, char **); | ||
static int textparse(const struct rofftree *, | static int roffparseopts(struct rofftree *, int, | ||
const char *, size_t); | char ***, int *, char **); | ||
static int roffparse(struct rofftree *, char *); | |||
static int textparse(const struct rofftree *, char *); | |||
static const int roffarg_An[] = { ROFF_Split, ROFF_Nosplit, | static const int roffarg_An[] = { ROFF_Split, ROFF_Nosplit, | ||
ROFF_ARGMAX }; | ROFF_ARGMAX }; | ||
static const int roffarg_Bd[] = { ROFF_Ragged, ROFF_Unfilled, | static const int roffarg_Bd[] = { ROFF_Ragged, ROFF_Unfilled, | ||
ROFF_Literal, ROFF_File, ROFF_Offset, ROFF_ARGMAX }; | 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_Ex[] = { ROFF_Std, ROFF_ARGMAX }; | ||
static const int roffarg_Rv[] = { ROFF_Std, ROFF_ARGMAX }; | static const int roffarg_Rv[] = { ROFF_Std, ROFF_ARGMAX }; | ||
static const int roffarg_Bl[] = { ROFF_Bullet, ROFF_Dash, | static const int roffarg_Bl[] = { ROFF_Bullet, ROFF_Dash, | ||
ROFF_Hyphen, ROFF_Item, ROFF_Enum, ROFF_Tag, ROFF_Diag, | ROFF_Hyphen, ROFF_Item, ROFF_Enum, ROFF_Tag, ROFF_Diag, | ||
ROFF_Hang, ROFF_Ohang, ROFF_Inset, ROFF_Column, ROFF_Offset, | ROFF_Hang, ROFF_Ohang, ROFF_Inset, ROFF_Column, ROFF_Offset, | ||
ROFF_ARGMAX }; | ROFF_Width, ROFF_Compact, ROFF_ARGMAX }; | ||
static const int roffarg_St[] = { | static const int roffarg_St[] = { | ||
ROFF_p1003_1_88, ROFF_p1003_1_90, ROFF_p1003_1_96, | 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_1_2001, ROFF_p1003_1_2004, ROFF_p1003_1, | ||
|
|
||
ROFF_xcurses4_2, ROFF_susv2, ROFF_susv3, ROFF_svid4, | ROFF_xcurses4_2, ROFF_susv2, ROFF_susv3, ROFF_svid4, | ||
ROFF_ARGMAX }; | ROFF_ARGMAX }; | ||
static const int roffchild_Bd[] = { ROFF_Ed, ROFF_MAX }; | |||
static const int roffchild_Bl[] = { ROFF_It, ROFF_El, ROFF_MAX }; | 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_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_Ed[] = { ROFF_Bd, ROFF_MAX }; | |||
static const int roffparent_El[] = { ROFF_Bl, ROFF_It, 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_Fc[] = { ROFF_Fo, ROFF_Fa, ROFF_MAX }; | ||
static const int roffparent_Oc[] = { ROFF_Oo, ROFF_Oc, 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_It[] = { ROFF_Bl, ROFF_It, ROFF_MAX }; | ||
static const int roffparent_Re[] = { ROFF_Rs, ROFF_MAX }; | |||
/* Table of all known tokens. */ | /* Table of all known tokens. */ | ||
static const struct rofftok tokens[ROFF_MAX] = { | static const struct rofftok tokens[ROFF_MAX] = { | ||
{roff_comment, NULL, NULL, NULL, 0, ROFF_COMMENT, 0 }, /* \" */ | { roff_noop, NULL, NULL, NULL, 0, ROFF_COMMENT, 0 }, /* \" */ | ||
{ roff_Dd, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* Dd */ | { roff_Dd, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* Dd */ | ||
{ roff_Dt, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* Dt */ | { roff_Dt, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* Dt */ | ||
{ roff_Os, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* Os */ | { roff_Os, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* Os */ | ||
{ roff_layout, NULL, NULL, NULL, ROFF_Sh, ROFF_LAYOUT, ROFF_PARSED }, /* Sh */ | { roff_layout, NULL, NULL, NULL, ROFF_Sh, ROFF_LAYOUT, 0 }, /* Sh */ | ||
{ roff_layout, NULL, NULL, NULL, ROFF_Ss, ROFF_LAYOUT, ROFF_PARSED }, /* Ss */ | { roff_layout, NULL, NULL, NULL, ROFF_Ss, ROFF_LAYOUT, 0 }, /* Ss */ | ||
{ roff_text, NULL, NULL, NULL, ROFF_Pp, ROFF_TEXT, 0 }, /* Pp */ | { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* Pp */ /* XXX 0 args */ | ||
{ roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* D1 */ | { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_LSCOPE }, /* D1 */ | ||
{ roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* Dl */ | { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_LSCOPE }, /* Dl */ | ||
{ roff_layout, NULL, NULL, roffchild_Bd, 0, ROFF_LAYOUT, 0 }, /* Bd */ | { roff_layout, roffarg_Bd, NULL, NULL, 0, ROFF_LAYOUT, 0 }, /* Bd */ | ||
{ roff_layout, NULL, roffparent_Ed, NULL, ROFF_Bd, ROFF_LAYOUT, 0 }, /* Ed */ | { roff_noop, NULL, NULL, NULL, ROFF_Bd, ROFF_LAYOUT, 0 }, /* Ed */ | ||
{ roff_layout, roffarg_Bl, NULL, roffchild_Bl, 0, ROFF_LAYOUT, 0 }, /* Bl */ | { roff_layout, roffarg_Bl, NULL, roffchild_Bl, 0, ROFF_LAYOUT, 0 }, /* Bl */ | ||
{ roff_layout, NULL, roffparent_El, NULL, ROFF_Bl, ROFF_LAYOUT, 0 }, /* El */ | { roff_noop, NULL, roffparent_El, NULL, ROFF_Bl, ROFF_LAYOUT, 0 }, /* El */ | ||
{ roff_layout, NULL, roffparent_It, NULL, ROFF_It, ROFF_LAYOUT, 0 }, /* It */ | { 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 */ | { 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, 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_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, 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 }, /* 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 }, /* 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 }, /* Er */ /* XXX needs arg */ | ||
{ roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Ev */ /* 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, 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, 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, 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 }, /* 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 | 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 }, /* 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, 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, 0 }, /* In */ | ||
{ roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Li */ | { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Li */ | ||
{ roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* Nd */ /* FIXME */ | { 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 }, /* Nm */ /* FIXME */ | ||
{ roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Op */ | { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE | ROFF_LSCOPE }, /* Op */ | ||
{ NULL, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* Ot */ /* XXX deprecated */ | { 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, 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_Rv, NULL, NULL, 0, ROFF_TEXT, 0 }, /* Rv */ | ||
{ roff_text, roffarg_St, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* St */ | { 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 }, /* 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 }, /* 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 | ROFF_CALLABLE }, /* Xr */ /* XXX needs arg */ | ||
{ NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* %A */ | { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* %A */ | ||
{ NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE}, /* %B */ | { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE}, /* %B */ | ||
{ NULL, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* %D */ | { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* %D */ | ||
{ NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE}, /* %I */ | { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE}, /* %I */ | ||
{ NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE}, /* %J */ | { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE}, /* %J */ | ||
{ NULL, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* %N */ | { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* %N */ | ||
{ NULL, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* %O */ | { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* %O */ | ||
{ NULL, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* %P */ | { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* %P */ | ||
{ NULL, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* %R */ | { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* %R */ | ||
{ NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* %T */ | { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* %T */ | ||
{ NULL, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* %V */ | { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* %V */ | ||
{ NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Ac */ | { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Ac */ | ||
{ NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Ao */ | { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Ao */ | ||
{ NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Aq */ | { 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, 0 }, /* At */ /* XXX at most 2 args */ | ||
{ NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Bc */ | { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Bc */ | ||
{ NULL, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* Bf */ /* FIXME */ | { roff_layout, NULL, NULL, NULL, 0, ROFF_LAYOUT, 0 }, /* Bf */ /* FIXME */ | ||
{ NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Bo */ | { 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 | 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 }, /* Bsx */ | ||
{ roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* Bx */ | { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* Bx */ | ||
{ NULL, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* Db */ /* XXX */ | { NULL, NULL, NULL, NULL, 0, ROFF_SPECIAL, 0 }, /* Db */ | ||
{ NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Dc */ | { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Dc */ | ||
{ NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Do */ | { 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 | ROFF_LSCOPE }, /* Dq */ | ||
{ NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Ec */ | { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Ec */ | ||
{ NULL, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* Ef */ /* FIXME */ | { 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 }, /* Em */ /* XXX needs arg */ | ||
{ NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Eo */ | { 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 }, /* Fx */ | ||
{ NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* Ms */ | { 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 }, /* No */ | ||
{ NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Ns */ | { 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 }, /* Nx */ | ||
{ roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* Ox */ | { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* Ox */ | ||
{ NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Pc */ | { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Pc */ | ||
{ roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* Pf */ | { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* Pf */ | ||
{ NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Po */ | { 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 }, /* Pq */ | { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE | ROFF_LSCOPE }, /* Pq */ | ||
{ NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Qc */ | { 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 }, /* Ql */ | ||
{ NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Qo */ | { 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 }, /* Qq */ | { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE | ROFF_LSCOPE }, /* Qq */ | ||
{ NULL, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* Re */ | { roff_noop, NULL, roffparent_Re, NULL, ROFF_Rs, ROFF_LAYOUT, 0 }, /* Re */ | ||
{ NULL, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* Rs */ | { roff_layout, NULL, NULL, roffchild_Rs, 0, ROFF_LAYOUT, 0 }, /* Rs */ | ||
{ NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Sc */ | { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Sc */ | ||
{ NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* So */ | { 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_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE | ROFF_LSCOPE }, /* Sq */ | ||
{ NULL, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* Sm */ | { 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 }, /* Sx */ | ||
{ roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE | ROFF_QUOTES }, /* Sy */ | { 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 | ROFF_CALLABLE }, /* Tn */ | ||
{ roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* Ux */ | { 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 }, /* Xc */ | ||
{ NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Xo */ | { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Xo */ | ||
{ roff_layout, NULL, NULL, NULL, 0, ROFF_LAYOUT, 0 }, /* Fo */ | { roff_layout, NULL, NULL, roffchild_Fo, 0, ROFF_LAYOUT, 0 }, /* Fo */ | ||
{ roff_layout, NULL, roffparent_Fc, NULL, ROFF_Fo, ROFF_LAYOUT, 0 }, /* Fc */ | { roff_noop, NULL, roffparent_Fc, NULL, ROFF_Fo, ROFF_LAYOUT, 0 }, /* Fc */ | ||
{ roff_layout, NULL, NULL, NULL, 0, ROFF_LAYOUT, 0 }, /* Oo */ | { roff_layout, NULL, NULL, NULL, 0, ROFF_LAYOUT, 0 }, /* Oo */ | ||
{ roff_layout, NULL, roffparent_Oc, NULL, ROFF_Oo, ROFF_LAYOUT, 0 }, /* Oc */ | { 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 */ | |||
}; | |||
/* Table of all known token arguments. */ | /* Table of all known token arguments. */ | ||
static const struct roffarg tokenargs[ROFF_ARGMAX] = { | static const int tokenargs[ROFF_ARGMAX] = { | ||
{ 0 }, /* split */ | 0, 0, 0, 0, | ||
{ 0 }, /* nosplit */ | 0, ROFF_VALUE, ROFF_VALUE, 0, | ||
{ 0 }, /* ragged */ | 0, 0, 0, 0, | ||
{ 0 }, /* unfilled */ | 0, 0, 0, 0, | ||
{ 0 }, /* literal */ | 0, 0, ROFF_VALUE, 0, | ||
{ ROFF_VALUE }, /* file */ | 0, 0, 0, 0, | ||
{ ROFF_VALUE }, /* offset */ | 0, 0, 0, 0, | ||
{ 0 }, /* bullet */ | 0, 0, 0, 0, | ||
{ 0 }, /* dash */ | 0, 0, 0, 0, | ||
{ 0 }, /* hyphen */ | 0, 0, 0, 0, | ||
{ 0 }, /* item */ | 0, 0, 0, 0, | ||
{ 0 }, /* enum */ | 0, 0, 0, 0, | ||
{ 0 }, /* tag */ | 0, 0, 0, 0, | ||
{ 0 }, /* diag */ | 0, 0, 0, 0, | ||
{ 0 }, /* hang */ | 0, 0, 0, 0, | ||
{ 0 }, /* ohang */ | }; | ||
{ 0 }, /* inset */ | |||
{ 0 }, /* column */ | |||
{ 0 }, /* width */ | |||
{ 0 }, /* compact */ | |||
}; | |||
const char *const toknamesp[ROFF_MAX] = | const char *const toknamesp[ROFF_MAX] = { | ||
{ | |||
"\\\"", "Dd", "Dt", "Os", | "\\\"", "Dd", "Dt", "Os", | ||
"Sh", "Ss", "Pp", "D1", | "Sh", "Ss", "Pp", "D1", | ||
"Dl", "Bd", "Ed", "Bl", | "Dl", "Bd", "Ed", "Bl", | ||
|
|
||
"Ic", "In", "Li", "Nd", | "Ic", "In", "Li", "Nd", | ||
"Nm", "Op", "Ot", "Pa", | "Nm", "Op", "Ot", "Pa", | ||
"Rv", "St", "Va", "Vt", | "Rv", "St", "Va", "Vt", | ||
/* LINTED */ | |||
"Xr", "\%A", "\%B", "\%D", | "Xr", "\%A", "\%B", "\%D", | ||
/* LINTED */ | |||
"\%I", "\%J", "\%N", "\%O", | "\%I", "\%J", "\%N", "\%O", | ||
/* LINTED */ | |||
"\%P", "\%R", "\%T", "\%V", | "\%P", "\%R", "\%T", "\%V", | ||
"Ac", "Ao", "Aq", "At", | "Ac", "Ao", "Aq", "At", | ||
"Bc", "Bf", "Bo", "Bq", | "Bc", "Bf", "Bo", "Bq", | ||
|
|
||
"Re", "Rs", "Sc", "So", | "Re", "Rs", "Sc", "So", | ||
"Sq", "Sm", "Sx", "Sy", | "Sq", "Sm", "Sx", "Sy", | ||
"Tn", "Ux", "Xc", "Xo", | "Tn", "Ux", "Xc", "Xo", | ||
"Fo", "Fc", "Oo", "Oc" | "Fo", "Fc", "Oo", "Oc", | ||
"Bk", "Ek", "Bt", "Hf", | |||
"Fr", "Ud", | |||
}; | }; | ||
const char *const tokargnamesp[ROFF_ARGMAX] = | const char *const tokargnamesp[ROFF_ARGMAX] = { | ||
{ | "split", "nosplit", "ragged", | ||
"split", "nosplit", "ragged", | "unfilled", "literal", "file", | ||
"unfilled", "literal", "file", | "offset", "bullet", "dash", | ||
"offset", "bullet", "dash", | "hyphen", "item", "enum", | ||
"hyphen", "item", "enum", | "tag", "diag", "hang", | ||
"tag", "diag", "hang", | "ohang", "inset", "column", | ||
"ohang", "inset", "column", | "width", "compact", "std", | ||
"width", "compact", "std", | "p1003.1-88", "p1003.1-90", "p1003.1-96", | ||
"-p1003.1-88", "-p1003.1-90", "-p1003.1-96", | "p1003.1-2001", "p1003.1-2004", "p1003.1", | ||
"-p1003.1-2001", "-p1003.1-2004", "-p1003.1", | "p1003.1b", "p1003.1b-93", "p1003.1c-95", | ||
"-p1003.1b", "-p1003.1b-93", "-p1003.1c-95", | "p1003.1g-2000", "p1003.2-92", "p1387.2-95", | ||
"-p1003.1g-2000", "-p1003.2-92", "-p1387.2-95", | "p1003.2", "p1387.2", "isoC-90", | ||
"-p1003.2", "-p1387.2", "-isoC-90", | "isoC-amd1", "isoC-tcor1", "isoC-tcor2", | ||
"-isoC-amd1", "-isoC-tcor1", "-isoC-tcor2", | "isoC-99", "ansiC", "ansiC-89", | ||
"-isoC-99", "-ansiC", "-ansiC-89", | "ansiC-99", "ieee754", "iso8802-3", | ||
"-ansiC-99", "-ieee754", "-iso8802-3", | "xpg3", "xpg4", "xpg4.2", | ||
"-xpg3", "-xpg4", "-xpg4.2", | "xpg4.3", "xbd5", "xcu5", | ||
"-xpg4.3", "-xbd5", "-xcu5", | "xsh5", "xns5", "xns5.2d2.0", | ||
"-xsh5", "-xns5", "-xns5.2d2.0", | "xcurses4.2", "susv2", "susv3", | ||
"-xcurses4.2", "-susv2", "-susv3", | "svid4", "filled", "words", | ||
"-svid4" | |||
}; | }; | ||
const char *const *toknames = toknamesp; | const char *const *toknames = toknamesp; | ||
|
|
||
int | int | ||
roff_free(struct rofftree *tree, int flush) | roff_free(struct rofftree *tree, int flush) | ||
{ | { | ||
int error; | int error, t; | ||
struct roffnode *n; | |||
assert(tree->mbuf); | error = 0; | ||
if ( ! flush) | if ( ! flush) | ||
tree->mbuf = NULL; | goto end; | ||
/* LINTED */ | error = 1; | ||
while (tree->last) | |||
if ( ! (*tokens[tree->last->tok].cb) | |||
(tree->last->tok, tree, NULL, ROFF_EXIT)) | |||
/* Disallow flushing. */ | |||
tree->mbuf = NULL; | |||
error = tree->mbuf ? 0 : 1; | if (ROFF_PRELUDE & tree->state) { | ||
roff_err(tree, NULL, "prelude never finished"); | |||
goto end; | |||
} | |||
if (tree->mbuf && (ROFF_PRELUDE & tree->state)) { | for (n = tree->last; n; n = n->parent) { | ||
warnx("%s: prelude never finished", | if (0 != tokens[n->tok].ctx) | ||
tree->rbuf->name); | continue; | ||
error = 1; | roff_err(tree, NULL, "closing explicit scope `%s'", | ||
toknames[n->tok]); | |||
goto end; | |||
} | } | ||
while (tree->last) { | |||
t = tree->last->tok; | |||
if ( ! (*tokens[t].cb)(t, tree, NULL, ROFF_EXIT)) | |||
goto end; | |||
} | |||
if ( ! (*tree->cb.rofftail)(tree->arg)) | |||
goto end; | |||
error = 0; | |||
end: | |||
while (tree->last) | |||
roffnode_free(tree); | |||
free(tree); | free(tree); | ||
return(error ? 0 : 1); | return(error ? 0 : 1); | ||
} | } | ||
struct rofftree * | struct rofftree * | ||
roff_alloc(const struct md_args *args, struct md_mbuf *out, | roff_alloc(const struct roffcb *cb, void *args) | ||
const struct md_rbuf *in, const struct roffcb *cb) | |||
{ | { | ||
struct rofftree *tree; | struct rofftree *tree; | ||
if (NULL == (tree = calloc(1, sizeof(struct rofftree)))) { | assert(args); | ||
warn("malloc"); | assert(cb); | ||
return(NULL); | |||
} | |||
if (NULL == (tree = calloc(1, sizeof(struct rofftree)))) | |||
err(1, "calloc"); | |||
tree->state = ROFF_PRELUDE; | tree->state = ROFF_PRELUDE; | ||
tree->args = args; | tree->arg = args; | ||
tree->mbuf = out; | |||
tree->rbuf = in; | |||
tree->cb = cb; | |||
(void)memcpy(&tree->cb, cb, sizeof(struct roffcb)); | |||
return(tree); | return(tree); | ||
} | } | ||
int | int | ||
roff_engine(struct rofftree *tree, char *buf, size_t sz) | roff_engine(struct rofftree *tree, char *buf) | ||
{ | { | ||
if (0 == sz) { | tree->cur = buf; | ||
warnx("%s: blank line (line %zu)", | assert(buf); | ||
tree->rbuf->name, | |||
tree->rbuf->line); | if (0 == *buf) { | ||
roff_err(tree, buf, "blank line"); | |||
return(0); | return(0); | ||
} else if ('.' != *buf) | } else if ('.' != *buf) | ||
return(textparse(tree, buf, sz)); | return(textparse(tree, buf)); | ||
return(roffparse(tree, buf, sz)); | return(roffparse(tree, buf)); | ||
} | } | ||
static int | static int | ||
textparse(const struct rofftree *tree, const char *buf, size_t sz) | textparse(const struct rofftree *tree, char *buf) | ||
{ | { | ||
if (NULL == tree->last) { | if ( ! (ROFF_BODY & tree->state)) { | ||
warnx("%s: unexpected text (line %zu)", | roff_err(tree, buf, "data not in body"); | ||
tree->rbuf->name, | |||
tree->rbuf->line); | |||
return(0); | return(0); | ||
} else if (NULL == tree->last->parent) { | |||
warnx("%s: disallowed text (line %zu)", | |||
tree->rbuf->name, | |||
tree->rbuf->line); | |||
return(0); | |||
} | } | ||
return((*tree->cb.roffdata)(tree->arg, 1, buf)); | |||
/* Print text. */ | |||
return(1); | |||
} | } | ||
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; | ||
char *p; | |||
(void)tok;/* FIXME: quotable strings? */ | |||
assert(tok >= 0 && tok < ROFF_MAX); | assert(tok >= 0 && tok < ROFF_MAX); | ||
assert('.' == *buf); | assert('.' == *buf); | ||
p = 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) { | ||
roff_err(tree, argv[i], "unclosed " | |||
"quote in argument " | |||
"list for `%s'", | |||
toknames[tok]); | |||
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; | roff_err(tree, p, "too many arguments for `%s'", toknames | ||
[tok]); | |||
return(0); | |||
} | |||
return(ROFF_MAXARG > i); | argv[i] = NULL; | ||
return(1); | |||
} | } | ||
/* XXX */ | |||
static int | static int | ||
roffscan(int tok, const int *tokv) | roffscan(int tok, const int *tokv) | ||
{ | { | ||
|
|
||
static int | static int | ||
roffparse(struct rofftree *tree, char *buf, size_t sz) | roffparse(struct rofftree *tree, char *buf) | ||
{ | { | ||
int tok, t; | int tok, t; | ||
struct roffnode *n; | struct roffnode *n; | ||
char *argv[ROFF_MAXARG]; | char *argv[ROFF_MAXARG]; | ||
const char **argvp; | char **argvp; | ||
assert(sz > 0); | if (0 != *buf && 0 != *(buf + 1) && 0 != *(buf + 2)) | ||
if (0 == strncmp(buf, ".\\\"", 3)) | |||
return(1); | |||
if (ROFF_MAX == (tok = rofffindtok(buf + 1))) { | if (ROFF_MAX == (tok = rofffindtok(buf + 1))) { | ||
warnx("%s: unknown line macro (line %zu)", | roff_err(tree, buf + 1, "bogus line macro"); | ||
tree->rbuf->name, tree->rbuf->line); | |||
return(0); | return(0); | ||
} else if (NULL == tokens[tok].cb) { | } else if (NULL == tokens[tok].cb) { | ||
warnx("%s: macro `%s' not supported (line %zu)", | roff_err(tree, buf + 1, "unsupported macro `%s'", | ||
tree->rbuf->name, toknames[tok], | toknames[tok]); | ||
tree->rbuf->line); | |||
return(0); | return(0); | ||
} else if (ROFF_COMMENT == tokens[tok].type) | } | ||
return(1); | |||
assert(ROFF___ != tok); | |||
if ( ! roffargs(tok, buf, argv)) { | if ( ! roffargs(tree, tok, buf, argv)) | ||
warnx("%s: too many args to `%s' (line %zu)", | |||
tree->rbuf->name, toknames[tok], | |||
tree->rbuf->line); | |||
return(0); | return(0); | ||
} else | |||
argvp = (const char **)argv + 1; | |||
argvp = (char **)argv; | |||
/* | /* | ||
* Prelude macros break some assumptions: branch now. | * Prelude macros break some assumptions, so branch now. | ||
*/ | */ | ||
if (ROFF_PRELUDE & tree->state) { | if (ROFF_PRELUDE & tree->state) { | ||
assert(NULL == tree->last); | assert(NULL == tree->last); | ||
return((*tokens[tok].cb)(tok, tree, argvp, ROFF_ENTER)); | return((*tokens[tok].cb)(tok, tree, argvp, ROFF_ENTER)); | ||
} else | } | ||
assert(tree->last); | |||
assert(ROFF_BODY & tree->state); | assert(ROFF_BODY & tree->state); | ||
|
|
||
* children are satisfied. | * children are satisfied. | ||
*/ | */ | ||
if ( ! roffscan(tree->last->tok, tokens[tok].parents)) { | if (tree->last && ! roffscan | ||
warnx("%s: invalid parent `%s' for `%s' (line %zu)", | (tree->last->tok, tokens[tok].parents)) { | ||
tree->rbuf->name, | roff_err(tree, *argvp, "`%s' has invalid parent `%s'", | ||
toknames[tree->last->tok], | toknames[tok], | ||
toknames[tok], tree->rbuf->line); | toknames[tree->last->tok]); | ||
return(0); | return(0); | ||
} | } | ||
if ( ! roffscan(tok, tokens[tree->last->tok].children)) { | if (tree->last && ! roffscan | ||
warnx("%s: invalid child `%s' for `%s' (line %zu)", | (tok, tokens[tree->last->tok].children)) { | ||
tree->rbuf->name, toknames[tok], | roff_err(tree, *argvp, "`%s' is invalid child of `%s'", | ||
toknames[tree->last->tok], | toknames[tok], | ||
tree->rbuf->line); | toknames[tree->last->tok]); | ||
return(0); | return(0); | ||
} | } | ||
|
|
||
if (ROFF_LAYOUT != tokens[tok].type) | if (ROFF_LAYOUT != tokens[tok].type) | ||
return((*tokens[tok].cb)(tok, tree, argvp, ROFF_ENTER)); | return((*tokens[tok].cb)(tok, tree, argvp, ROFF_ENTER)); | ||
/* | |||
* Check our scope rules. | |||
*/ | |||
if (0 == tokens[tok].ctx) | if (0 == tokens[tok].ctx) | ||
return((*tokens[tok].cb)(tok, tree, argvp, ROFF_ENTER)); | return((*tokens[tok].cb)(tok, tree, argvp, ROFF_ENTER)); | ||
/* | |||
* First consider implicit-end tags, like as follows: | |||
* .Sh SECTION 1 | |||
* .Sh SECTION 2 | |||
* In this, we want to close the scope of the NAME section. If | |||
* there's an intermediary implicit-end tag, such as | |||
* .Sh SECTION 1 | |||
* .Ss Subsection 1 | |||
* .Sh SECTION 2 | |||
* then it must be closed as well. | |||
*/ | |||
if (tok == tokens[tok].ctx) { | if (tok == tokens[tok].ctx) { | ||
/* | |||
* First search up to the point where we must close. | |||
* If one doesn't exist, then we can open a new scope. | |||
*/ | |||
for (n = tree->last; n; n = n->parent) { | for (n = tree->last; n; n = n->parent) { | ||
assert(0 == tokens[n->tok].ctx || | assert(0 == tokens[n->tok].ctx || | ||
n->tok == tokens[n->tok].ctx); | n->tok == tokens[n->tok].ctx); | ||
if (n->tok == tok) | if (n->tok == tok) | ||
break; | break; | ||
if (ROFF_SHALLOW & tokens[tok].flags) { | |||
n = NULL; | |||
break; | |||
} | |||
if (tokens[n->tok].ctx == n->tok) | |||
continue; | |||
roff_err(tree, *argv, "`%s' breaks `%s' scope", | |||
toknames[tok], toknames[n->tok]); | |||
return(0); | |||
} | } | ||
if (NULL == n) { | |||
#ifdef DEBUG | /* | ||
(void)printf("scope: new `%s'\n", | * Create a new scope, as no previous one exists to | ||
toknames[tok]); | * close out. | ||
#endif | */ | ||
if (NULL == n) | |||
return((*tokens[tok].cb)(tok, tree, argvp, ROFF_ENTER)); | return((*tokens[tok].cb)(tok, tree, argvp, ROFF_ENTER)); | ||
} | |||
/* | |||
* Close out all intermediary scoped blocks, then hang | |||
* the current scope from our predecessor's parent. | |||
*/ | |||
do { | do { | ||
t = tree->last->tok; | t = tree->last->tok; | ||
#ifdef DEBUG | |||
(void)printf("scope: closing `%s'\n", | |||
toknames[t]); | |||
#endif | |||
if ( ! (*tokens[t].cb)(t, tree, NULL, ROFF_EXIT)) | if ( ! (*tokens[t].cb)(t, tree, NULL, ROFF_EXIT)) | ||
return(0); | return(0); | ||
} while (t != tok); | } while (t != tok); | ||
|
|
||
return((*tokens[tok].cb)(tok, tree, argvp, ROFF_ENTER)); | return((*tokens[tok].cb)(tok, tree, argvp, ROFF_ENTER)); | ||
} | } | ||
/* | |||
* Now consider explicit-end tags, where we want to close back | |||
* to a specific tag. Example: | |||
* .Bl | |||
* .It Item. | |||
* .El | |||
* In this, the `El' tag closes out the scope of `Bl'. | |||
*/ | |||
assert(tok != tokens[tok].ctx && 0 != tokens[tok].ctx); | assert(tok != tokens[tok].ctx && 0 != tokens[tok].ctx); | ||
for (n = tree->last; n; n = n->parent) | |||
if (n->tok != tokens[tok].ctx) { | |||
if (n->tok == tokens[n->tok].ctx) | |||
continue; | |||
roff_err(tree, *argv, "`%s' breaks `%s' scope", | |||
toknames[tok], toknames[n->tok]); | |||
return(0); | |||
} else | |||
break; | |||
if (NULL == n) { | |||
roff_err(tree, *argv, "`%s' has no starting tag `%s'", | |||
toknames[tok], | |||
toknames[tokens[tok].ctx]); | |||
return(0); | |||
} | |||
/* LINTED */ | |||
do { | do { | ||
t = tree->last->tok; | t = tree->last->tok; | ||
#ifdef DEBUG | |||
(void)printf("scope: closing `%s'\n", toknames[t]); | |||
#endif | |||
if ( ! (*tokens[t].cb)(t, tree, NULL, ROFF_EXIT)) | if ( ! (*tokens[t].cb)(t, tree, NULL, ROFF_EXIT)) | ||
return(0); | return(0); | ||
} while (t != tokens[tok].ctx); | } while (t != tokens[tok].ctx); | ||
return((*tokens[tok].cb)(tok, tree, argvp, ROFF_ENTER)); | return(1); | ||
} | } | ||
|
|
||
rofffindtok(const char *buf) | rofffindtok(const char *buf) | ||
{ | { | ||
char token[4]; | char token[4]; | ||
size_t i; | int i; | ||
for (i = 0; *buf && ! isspace(*buf) && i < 3; i++, buf++) | for (i = 0; *buf && ! isspace(*buf) && i < 3; i++, buf++) | ||
token[i] = *buf; | token[i] = *buf; | ||
if (i == 3) { | if (i == 3) | ||
#ifdef DEBUG | |||
(void)printf("lookup: macro too long: `%s'\n", buf); | |||
#endif | |||
return(ROFF_MAX); | return(ROFF_MAX); | ||
} | |||
token[i] = 0; | token[i] = 0; | ||
|
|
||
/* LINTED */ | /* LINTED */ | ||
for (i = 0; i < ROFF_MAX; i++) | for (i = 0; i < ROFF_MAX; i++) | ||
/* LINTED */ | /* LINTED */ | ||
if (0 == strcmp(toknames[i], token)) { | 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); | ||
} | } | ||
static int | static int | ||
roffispunct(const char *p) | |||
{ | |||
if (0 == *p) | |||
return(0); | |||
if (0 != *(p + 1)) | |||
return(0); | |||
switch (*p) { | |||
case('{'): | |||
/* FALLTHROUGH */ | |||
case('.'): | |||
/* FALLTHROUGH */ | |||
case(','): | |||
/* FALLTHROUGH */ | |||
case(';'): | |||
/* FALLTHROUGH */ | |||
case(':'): | |||
/* FALLTHROUGH */ | |||
case('?'): | |||
/* FALLTHROUGH */ | |||
case('!'): | |||
/* FALLTHROUGH */ | |||
case('('): | |||
/* FALLTHROUGH */ | |||
case(')'): | |||
/* FALLTHROUGH */ | |||
case('['): | |||
/* FALLTHROUGH */ | |||
case(']'): | |||
/* FALLTHROUGH */ | |||
case('}'): | |||
return(1); | |||
default: | |||
break; | |||
} | |||
return(0); | |||
} | |||
static int | |||
rofffindcallable(const char *name) | rofffindcallable(const char *name) | ||
{ | { | ||
int c; | int c; | ||
|
|
||
{ | { | ||
struct roffnode *p; | struct roffnode *p; | ||
if (NULL == (p = malloc(sizeof(struct roffnode)))) { | if (NULL == (p = malloc(sizeof(struct roffnode)))) | ||
warn("malloc"); | err(1, "malloc"); | ||
return(NULL); | |||
} | |||
p->line = tree->rbuf->line; | |||
p->tok = tokid; | p->tok = tokid; | ||
p->parent = tree->last; | p->parent = tree->last; | ||
tree->last = p; | tree->last = p; | ||
return(p); | return(p); | ||
} | } | ||
|
|
||
static void | static void | ||
roffnode_free(int tokid, struct rofftree *tree) | roffnode_free(struct rofftree *tree) | ||
{ | { | ||
struct roffnode *p; | struct roffnode *p; | ||
assert(tree->last); | assert(tree->last); | ||
assert(tree->last->tok == tokid); | |||
p = tree->last; | p = tree->last; | ||
tree->last = tree->last->parent; | tree->last = tree->last->parent; | ||
|
|
||
static int | static int | ||
roffnextopt(int tok, const char ***in, char **val) | roffnextopt(const struct rofftree *tree, int tok, | ||
char ***in, char **val) | |||
{ | { | ||
const char *arg, **argv; | char *arg, **argv; | ||
int v; | int v; | ||
*val = NULL; | *val = NULL; | ||
|
|
||
if ('-' != *arg) | if ('-' != *arg) | ||
return(-1); | return(-1); | ||
/* FIXME: should we let this slide... ? */ | if (ROFF_ARGMAX == (v = rofffindarg(arg + 1))) { | ||
roff_warn(tree, arg, "argument-like parameter `%s' to " | |||
if (ROFF_ARGMAX == (v = rofffindarg(&arg[1]))) | "`%s'", &arg[1], toknames[tok]); | ||
return(-1); | return(-1); | ||
} | |||
/* FIXME: should we let this slide... ? */ | |||
if ( ! roffargok(tok, v)) { | |||
if ( ! roffargok(tok, v)) | roff_warn(tree, arg, "invalid argument parameter `%s' to " | ||
"`%s'", tokargnames[v], toknames[tok]); | |||
return(-1); | return(-1); | ||
if ( ! (ROFF_VALUE & tokenargs[v].flags)) | } | ||
if ( ! (ROFF_VALUE & tokenargs[v])) | |||
return(v); | return(v); | ||
*in = ++argv; | *in = ++argv; | ||
/* FIXME: what if this looks like a roff token or argument? */ | if (NULL == *argv) { | ||
roff_err(tree, arg, "empty value of `%s' for `%s'", | |||
tokargnames[v], toknames[tok]); | |||
return(ROFF_ARGMAX); | |||
} | |||
return(*argv ? v : ROFF_ARGMAX); | return(v); | ||
} | } | ||
static int | |||
roffparseopts(struct rofftree *tree, int tok, | |||
char ***args, int *argc, char **argv) | |||
{ | |||
int i, c; | |||
char *v; | |||
i = 0; | |||
while (-1 != (c = roffnextopt(tree, tok, args, &v))) { | |||
if (ROFF_ARGMAX == c) | |||
return(0); | |||
argc[i] = c; | |||
argv[i] = v; | |||
i++; | |||
*args = *args + 1; | |||
} | |||
argc[i] = ROFF_ARGMAX; | |||
argv[i] = NULL; | |||
return(1); | |||
} | |||
/* ARGSUSED */ | /* ARGSUSED */ | ||
static int | static int | ||
roff_Dd(ROFFCALL_ARGS) | roff_Dd(ROFFCALL_ARGS) | ||
{ | { | ||
time_t t; | |||
char *p, buf[32]; | |||
if (ROFF_BODY & tree->state) { | if (ROFF_BODY & tree->state) { | ||
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) { | ||
warnx("%s: prelude `Dd' repeated (line %zu)", | roff_err(tree, *argv, "repeated `Dd' in prelude"); | ||
tree->rbuf->name, tree->rbuf->line); | |||
return(0); | return(0); | ||
} else if (ROFF_PRELUDE_Dt & tree->state) { | } else if (ROFF_PRELUDE_Dt & tree->state) { | ||
warnx("%s: prelude `Dd' out-of-order (line %zu)", | roff_err(tree, *argv, "out-of-order `Dd' in prelude"); | ||
tree->rbuf->name, tree->rbuf->line); | |||
return(0); | return(0); | ||
} | } | ||
/* TODO: parse date. */ | |||
assert(NULL == tree->last); | assert(NULL == tree->last); | ||
tree->state |= ROFF_PRELUDE_Dd; | |||
argv++; | |||
if (0 == strcmp(*argv, "$Mdocdate$")) { | |||
t = time(NULL); | |||
if (NULL == localtime_r(&t, &tree->tm)) | |||
err(1, "localtime_r"); | |||
tree->state |= ROFF_PRELUDE_Dd; | |||
return(1); | |||
} | |||
/* Build this from Mdocdate or raw date. */ | |||
buf[0] = 0; | |||
p = *argv; | |||
if (0 != strcmp(*argv, "$Mdocdate:")) { | |||
while (*argv) { | |||
if (strlcat(buf, *argv++, sizeof(buf)) | |||
< sizeof(buf)) | |||
continue; | |||
roff_err(tree, p, "bad `Dd' date"); | |||
return(0); | |||
} | |||
if (strptime(buf, "%b%d,%Y", &tree->tm)) { | |||
tree->state |= ROFF_PRELUDE_Dd; | |||
return(1); | |||
} | |||
roff_err(tree, *argv, "bad `Dd' date"); | |||
return(0); | |||
} | |||
argv++; | |||
while (*argv && **argv != '$') { | |||
if (strlcat(buf, *argv++, sizeof(buf)) | |||
>= sizeof(buf)) { | |||
roff_err(tree, p, "bad `Dd' Mdocdate"); | |||
return(0); | |||
} | |||
if (strlcat(buf, " ", sizeof(buf)) | |||
>= sizeof(buf)) { | |||
roff_err(tree, p, "bad `Dd' Mdocdate"); | |||
return(0); | |||
} | |||
} | |||
if (NULL == *argv) { | |||
roff_err(tree, p, "bad `Dd' Mdocdate"); | |||
return(0); | |||
} | |||
if (NULL == strptime(buf, "%b %d %Y", &tree->tm)) { | |||
roff_err(tree, *argv, "bad `Dd' Mdocdate"); | |||
return(0); | |||
} | |||
tree->state |= ROFF_PRELUDE_Dd; | |||
return(1); | return(1); | ||
} | } | ||
|
|
||
assert( ! (ROFF_BODY & tree->state)); | assert( ! (ROFF_BODY & tree->state)); | ||
if ( ! (ROFF_PRELUDE_Dd & tree->state)) { | if ( ! (ROFF_PRELUDE_Dd & tree->state)) { | ||
warnx("%s: prelude `Dt' out-of-order (line %zu)", | roff_err(tree, *argv, "out-of-order `Dt' in prelude"); | ||
tree->rbuf->name, tree->rbuf->line); | |||
return(0); | return(0); | ||
} else if (ROFF_PRELUDE_Dt & tree->state) { | } else if (ROFF_PRELUDE_Dt & tree->state) { | ||
warnx("%s: prelude `Dt' repeated (line %zu)", | roff_err(tree, *argv, "repeated `Dt' in prelude"); | ||
tree->rbuf->name, tree->rbuf->line); | |||
return(0); | return(0); | ||
} | } | ||
/* TODO: parse date. */ | argv++; | ||
if (NULL == *argv) { | |||
roff_err(tree, *argv, "`Dt' needs document title"); | |||
return(0); | |||
} else if (strlcpy(tree->title, *argv, sizeof(tree->title)) | |||
>= sizeof(tree->title)) { | |||
roff_err(tree, *argv, "`Dt' document title too long"); | |||
return(0); | |||
} | |||
argv++; | |||
if (NULL == *argv) { | |||
roff_err(tree, *argv, "`Dt' needs section"); | |||
return(0); | |||
} else if (strlcpy(tree->section, *argv, sizeof(tree->section)) | |||
>= sizeof(tree->section)) { | |||
roff_err(tree, *argv, "`Dt' section too long"); | |||
return(0); | |||
} | |||
argv++; | |||
if (NULL == *argv) { | |||
tree->volume[0] = 0; | |||
} else if (strlcpy(tree->volume, *argv, sizeof(tree->volume)) | |||
>= sizeof(tree->volume)) { | |||
roff_err(tree, *argv, "`Dt' volume too long"); | |||
return(0); | |||
} | |||
assert(NULL == tree->last); | assert(NULL == tree->last); | ||
tree->state |= ROFF_PRELUDE_Dt; | tree->state |= ROFF_PRELUDE_Dt; | ||
|
|
||
static int | static int | ||
roff_Os(ROFFCALL_ARGS) | roff_Os(ROFFCALL_ARGS) | ||
{ | { | ||
char *p; | |||
if (ROFF_EXIT == type) { | if (ROFF_BODY & tree->state) { | ||
assert(ROFF_PRELUDE_Os & tree->state); | |||
return(roff_layout(tok, tree, argv, type)); | |||
} else if (ROFF_BODY & tree->state) { | |||
assert( ! (ROFF_PRELUDE & tree->state)); | assert( ! (ROFF_PRELUDE & tree->state)); | ||
assert(ROFF_PRELUDE_Os & tree->state); | assert(ROFF_PRELUDE_Os & tree->state); | ||
return(roff_text(tok, tree, argv, type)); | return(roff_text(tok, tree, argv, type)); | ||
|
|
||
assert(ROFF_PRELUDE & tree->state); | assert(ROFF_PRELUDE & tree->state); | ||
if ( ! (ROFF_PRELUDE_Dt & tree->state) || | if ( ! (ROFF_PRELUDE_Dt & tree->state) || | ||
! (ROFF_PRELUDE_Dd & tree->state)) { | ! (ROFF_PRELUDE_Dd & tree->state)) { | ||
warnx("%s: prelude `Os' out-of-order (line %zu)", | roff_err(tree, *argv, "out-of-order `Os' in prelude"); | ||
tree->rbuf->name, tree->rbuf->line); | |||
return(0); | return(0); | ||
} | } | ||
/* TODO: extract OS. */ | tree->os[0] = 0; | ||
p = *++argv; | |||
while (*argv) { | |||
if (strlcat(tree->os, *argv++, sizeof(tree->os)) | |||
< sizeof(tree->os)) | |||
continue; | |||
roff_err(tree, p, "`Os' value too long"); | |||
return(0); | |||
} | |||
if (0 == tree->os[0]) | |||
if (strlcpy(tree->os, "LOCAL", sizeof(tree->os)) | |||
>= sizeof(tree->os)) { | |||
roff_err(tree, p, "`Os' value too long"); | |||
return(0); | |||
} | |||
tree->state |= ROFF_PRELUDE_Os; | tree->state |= ROFF_PRELUDE_Os; | ||
tree->state &= ~ROFF_PRELUDE; | tree->state &= ~ROFF_PRELUDE; | ||
tree->state |= ROFF_BODY; | tree->state |= ROFF_BODY; | ||
assert(NULL == tree->last); | assert(NULL == tree->last); | ||
return(roff_layout(tok, tree, argv, type)); | return((*tree->cb.roffhead)(tree->arg)); | ||
} | } | ||
|
|
||
roff_layout(ROFFCALL_ARGS) | roff_layout(ROFFCALL_ARGS) | ||
{ | { | ||
int i, c, argcp[ROFF_MAXARG]; | int i, c, argcp[ROFF_MAXARG]; | ||
char *v, *argvp[ROFF_MAXARG]; | char *argvp[ROFF_MAXARG]; | ||
if (ROFF_PRELUDE & tree->state) { | if (ROFF_PRELUDE & tree->state) { | ||
warnx("%s: macro `%s' called in prelude (line %zu)", | roff_err(tree, *argv, "bad `%s' in prelude", | ||
tree->rbuf->name, | toknames[tok]); | ||
toknames[tok], | |||
tree->rbuf->line); | |||
return(0); | return(0); | ||
} | } else if (ROFF_EXIT == type) { | ||
roffnode_free(tree); | |||
if (ROFF_EXIT == type) { | return((*tree->cb.roffblkout)(tree->arg, tok)); | ||
roffnode_free(tok, tree); | |||
return((*tree->cb->roffblkout)(tok)); | |||
} | } | ||
i = 0; | assert( ! (ROFF_CALLABLE & tokens[tok].flags)); | ||
while (-1 != (c = roffnextopt(tok, &argv, &v))) { | ++argv; | ||
if (ROFF_ARGMAX == c) { | |||
warnx("%s: error parsing `%s' args (line %zu)", | |||
tree->rbuf->name, | |||
toknames[tok], | |||
tree->rbuf->line); | |||
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; | |||
argvp[i] = v; | |||
i++; | |||
argv++; | |||
} | |||
argcp[i] = ROFF_ARGMAX; | if ( ! roffparseopts(tree, tok, &argv, argcp, argvp)) | ||
argvp[i] = NULL; | return(0); | ||
if (NULL == roffnode_new(tok, tree)) | if (NULL == roffnode_new(tok, tree)) | ||
return(0); | return(0); | ||
if ( ! (*tree->cb->roffin)(tok, argcp, argvp)) | /* | ||
* Layouts have two parts: the layout body and header. The | |||
* layout header is the trailing text of the line macro, while | |||
* the layout body is everything following until termination. | |||
*/ | |||
if ( ! (*tree->cb.roffblkin)(tree->arg, tok, argcp, argvp)) | |||
return(0); | return(0); | ||
if (NULL == *argv) | |||
return(1); | |||
if ( ! (*tree->cb.roffin)(tree->arg, tok, argcp, argvp)) | |||
return(0); | |||
if ( ! (ROFF_PARSED & tokens[tok].flags)) { | /* | ||
/* TODO: print all tokens. */ | * If there are no parsable parts, then write remaining tokens | ||
* into the layout header and exit. | |||
*/ | |||
if ( ! ((*tree->cb->roffout)(tok))) | if ( ! (ROFF_PARSED & tokens[tok].flags)) { | ||
return(0); | i = 0; | ||
return((*tree->cb->roffblkin)(tok)); | while (*argv) { | ||
if ( ! (*tree->cb.roffdata)(tree->arg, i, *argv++)) | |||
return(0); | |||
i = 1; | |||
} | |||
return((*tree->cb.roffout)(tree->arg, tok)); | |||
} | } | ||
/* | |||
* Parsable elements may be in the header (or be the header, for | |||
* that matter). Follow the regular parsing rules for these. | |||
*/ | |||
i = 0; | |||
while (*argv) { | while (*argv) { | ||
if (ROFF_MAX != (c = rofffindcallable(*argv))) { | if (ROFF_MAX == (c = rofffindcallable(*argv))) { | ||
if (NULL == tokens[c].cb) { | assert(tree->arg); | ||
warnx("%s: macro `%s' not supported " | if ( ! (*tree->cb.roffdata) | ||
"(line %zu)", | (tree->arg, i, *argv++)) | ||
tree->rbuf->name, | |||
toknames[c], | |||
tree->rbuf->line); | |||
return(0); | return(0); | ||
} | i = 1; | ||
if ( ! (*tokens[c].cb)(c, tree, | continue; | ||
argv + 1, ROFF_ENTER)) | |||
return(0); | |||
} | } | ||
/* TODO: print token. */ | |||
argv++; | 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)) | |||
return(0); | |||
break; | |||
} | } | ||
if ( ! ((*tree->cb->roffout)(tok))) | /* | ||
return(0); | * If there's trailing punctuation in the header, then write it | ||
* out now. Here we mimic the behaviour of a line-dominant text | |||
* macro. | |||
*/ | |||
return((*tree->cb->roffblkin)(tok)); | if (NULL == *argv) | ||
return((*tree->cb.roffout)(tree->arg, tok)); | |||
/* | |||
* Expensive. Scan to the end of line then work backwards until | |||
* a token isn't punctuation. | |||
*/ | |||
i = 0; | |||
while (argv[i]) | |||
i++; | |||
assert(i > 0); | |||
if ( ! roffispunct(argv[--i])) | |||
return((*tree->cb.roffout)(tree->arg, tok)); | |||
while (i >= 0 && roffispunct(argv[i])) | |||
i--; | |||
i++; | |||
/* LINTED */ | |||
while (argv[i]) | |||
if ( ! (*tree->cb.roffdata)(tree->arg, 0, argv[i++])) | |||
return(0); | |||
return((*tree->cb.roffout)(tree->arg, tok)); | |||
} | } | ||
|
|
||
static int | static int | ||
roff_text(ROFFCALL_ARGS) | roff_text(ROFFCALL_ARGS) | ||
{ | { | ||
int i, c, argcp[ROFF_MAXARG]; | int i, j, first, c, argcp[ROFF_MAXARG]; | ||
char *v, *argvp[ROFF_MAXARG]; | char *argvp[ROFF_MAXARG]; | ||
if (ROFF_PRELUDE & tree->state) { | if (ROFF_PRELUDE & tree->state) { | ||
warnx("%s: macro `%s' called in prelude (line %zu)", | roff_err(tree, *argv, "`%s' disallowed in prelude", | ||
tree->rbuf->name, | toknames[tok]); | ||
toknames[tok], | |||
tree->rbuf->line); | |||
return(0); | return(0); | ||
} | } | ||
i = 0; | first = (*argv == tree->cur); | ||
argv++; | |||
while (-1 != (c = roffnextopt(tok, &argv, &v))) { | if ( ! roffparseopts(tree, tok, &argv, argcp, argvp)) | ||
if (ROFF_ARGMAX == c) { | |||
warnx("%s: error parsing `%s' args (line %zu)", | |||
tree->rbuf->name, | |||
toknames[tok], | |||
tree->rbuf->line); | |||
return(0); | |||
} | |||
argcp[i] = c; | |||
argvp[i] = v; | |||
i++; | |||
argv++; | |||
} | |||
argcp[i] = ROFF_ARGMAX; | |||
argvp[i] = NULL; | |||
if ( ! (*tree->cb->roffin)(tok, argcp, argvp)) | |||
return(0); | return(0); | ||
if ( ! (*tree->cb.roffin)(tree->arg, tok, argcp, argvp)) | |||
return(0); | |||
if (NULL == *argv) | |||
return((*tree->cb.roffout)(tree->arg, tok)); | |||
if ( ! (ROFF_PARSED & tokens[tok].flags)) { | if ( ! (ROFF_PARSED & tokens[tok].flags)) { | ||
/* TODO: print all tokens. */ | i = 0; | ||
return((*tree->cb->roffout)(tok)); | while (*argv) { | ||
if ( ! (*tree->cb.roffdata)(tree->arg, i, *argv++)) | |||
return(0); | |||
i = 1; | |||
} | |||
return((*tree->cb.roffout)(tree->arg, tok)); | |||
} | } | ||
/* | |||
* Deal with punctuation. Ugly. Work ahead until we encounter | |||
* terminating punctuation. If we encounter it and all | |||
* subsequent tokens are punctuation, then stop processing (the | |||
* line-dominant macro will print these tokens after closure). | |||
*/ | |||
i = 0; | |||
while (*argv) { | while (*argv) { | ||
if (ROFF_MAX != (c = rofffindcallable(*argv))) { | if (ROFF_MAX == (c = rofffindcallable(*argv))) { | ||
if (NULL == tokens[c].cb) { | if ( ! roffispunct(*argv)) { | ||
warnx("%s: macro `%s' not supported " | if ( ! (*tree->cb.roffdata) | ||
"(line %zu)", | (tree->arg, i, *argv++)) | ||
tree->rbuf->name, | return(0); | ||
toknames[c], | i = 1; | ||
tree->rbuf->line); | continue; | ||
return(0); | |||
} | } | ||
if ( ! (*tokens[c].cb)(c, tree, | |||
argv + 1, ROFF_ENTER)) | /* 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++)) | |||
return(0); | |||
continue; | |||
} | |||
/* Only punctuation remains. */ | |||
if ( ! (*tree->cb.roffout)(tree->arg, tok)) | |||
return(0); | return(0); | ||
break; | |||
} | } | ||
/* TODO: print token. */ | |||
argv++; | /* | ||
* 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)) | |||
return(0); | |||
if ( ! (*tokens[c].cb)(c, tree, argv, ROFF_ENTER)) | |||
return(0); | |||
if (ROFF_LSCOPE & tokens[tok].flags) | |||
if ( ! (*tree->cb.roffout)(tree->arg, tok)) | |||
return(0); | |||
break; | |||
} | } | ||
return((*tree->cb->roffout)(tok)); | if (NULL == *argv) | ||
return((*tree->cb.roffout)(tree->arg, tok)); | |||
if ( ! first) | |||
return(1); | |||
/* | |||
* We're the line-dominant macro. Check if there's remaining | |||
* punctuation. If there is, then flush it out before exiting. | |||
*/ | |||
i = 0; | |||
while (argv[i]) | |||
i++; | |||
assert(i > 0); | |||
if ( ! roffispunct(argv[--i])) | |||
return(1); | |||
while (i >= 0 && roffispunct(argv[i])) | |||
i--; | |||
i++; | |||
/* LINTED */ | |||
while (argv[i]) | |||
if ( ! (*tree->cb.roffdata)(tree->arg, 0, argv[i++])) | |||
return(0); | |||
return(1); | |||
} | } | ||
/* ARGUSED */ | /* ARGSUSED */ | ||
static int | static int | ||
roff_comment(ROFFCALL_ARGS) | roff_noop(ROFFCALL_ARGS) | ||
{ | { | ||
return(1); | return(1); | ||
} | |||
/* ARGSUSED */ | |||
static int | |||
roff_depr(ROFFCALL_ARGS) | |||
{ | |||
roff_err(tree, *argv, "`%s' is deprecated", toknames[tok]); | |||
return(0); | |||
} | |||
static void | |||
roff_warn(const struct rofftree *tree, const char *pos, char *fmt, ...) | |||
{ | |||
va_list ap; | |||
char buf[128]; | |||
va_start(ap, fmt); | |||
(void)vsnprintf(buf, sizeof(buf), fmt, ap); | |||
va_end(ap); | |||
(*tree->cb.roffmsg)(tree->arg, | |||
ROFF_WARN, tree->cur, pos, buf); | |||
} | |||
static void | |||
roff_err(const struct rofftree *tree, const char *pos, char *fmt, ...) | |||
{ | |||
va_list ap; | |||
char buf[128]; | |||
va_start(ap, fmt); | |||
(void)vsnprintf(buf, sizeof(buf), fmt, ap); | |||
va_end(ap); | |||
(*tree->cb.roffmsg)(tree->arg, | |||
ROFF_ERROR, tree->cur, pos, buf); | |||
} | } |