version 1.5, 2008/11/25 16:49:57 |
version 1.52, 2008/12/08 16:29:57 |
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* 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. |
*/ |
*/ |
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#include <sys/param.h> |
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#include <sys/types.h> |
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#include <assert.h> |
#include <assert.h> |
#include <ctype.h> |
#include <ctype.h> |
#include <err.h> |
#include <err.h> |
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#include <stdarg.h> |
#include <stdlib.h> |
#include <stdlib.h> |
#include <stdio.h> |
#include <stdio.h> |
#include <string.h> |
#include <string.h> |
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#include "libmdocml.h" |
#include "libmdocml.h" |
#include "private.h" |
#include "private.h" |
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#include "roff.h" |
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#define ROFF_MAXARG 10 |
/* FIXME: First letters of quoted-text interpreted in rofffindtok. */ |
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/* FIXME: `No' not implemented. */ |
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/* TODO: warn if Pp occurs before/after Sh etc. (see mdoc.samples). */ |
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/* TODO: warn about empty lists. */ |
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/* TODO: (warn) some sections need specific elements. */ |
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/* TODO: (warn) NAME section has particular order. */ |
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/* TODO: unify empty-content tags a la <br />. */ |
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/* TODO: macros with a set number of arguments? */ |
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/* TODO: validate Dt macro arguments. */ |
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/* FIXME: Bl -diag supposed to ignore callable children. */ |
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/* FIXME: Nm has newline when used in NAME section. */ |
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/* Whether we're entering or leaving a roff scope. */ |
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enum roffd { |
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ROFF_ENTER = 0, |
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ROFF_EXIT |
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}; |
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/* The type of a macro (see mdoc(7) for more). */ |
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enum rofftype { |
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ROFF_COMMENT, |
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ROFF_TEXT, |
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ROFF_LAYOUT |
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}; |
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/* Arguments passed to a macro callback. */ |
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#define ROFFCALL_ARGS \ |
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int tok, struct rofftree *tree, \ |
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const char *argv[], enum roffd type |
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struct rofftree; |
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/* Describes a roff token (like D1 or Sh). */ |
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struct rofftok { |
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int (*cb)(ROFFCALL_ARGS); /* Callback. */ |
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const int *args; /* Args (or NULL). */ |
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enum rofftype type; /* Type of macro. */ |
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int symm; /* FIXME */ |
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int flags; |
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#define ROFF_NESTED (1 << 0) /* Nested-layout. */ |
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#define ROFF_PARSED (1 << 1) /* "Parsed". */ |
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#define ROFF_CALLABLE (1 << 2) /* "Callable". */ |
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#define ROFF_QUOTES (1 << 3) /* Quoted args. */ |
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}; |
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/* An argument to a roff token (like -split or -enum). */ |
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struct roffarg { |
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int flags; |
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#define ROFF_VALUE (1 << 0) /* Has a value. */ |
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}; |
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/* mdocml remembers only the current parse node and the chain leading to |
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* the document root (scopes). |
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*/ |
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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. */ |
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}; |
}; |
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/* State of file parse. */ |
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struct rofftree { |
struct rofftree { |
struct roffnode *last; /* Last parsed node. */ |
struct roffnode *last; /* Last parsed node. */ |
time_t date; /* `Dd' results. */ |
char *cur; /* Line start. */ |
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struct tm tm; /* `Dd' results. */ |
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char name[64]; /* `Nm' 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. */ |
enum roffmsec section; |
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. */ |
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#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. */ |
roffin roffin; /* Text-macro cb. */ |
struct roffcb cb; /* Callbacks. */ |
roffblkin roffblkin; /* Block-macro cb. */ |
void *arg; /* Callbacks' arg. */ |
roffout roffout; /* Text-macro cb. */ |
int csec; /* Current section. */ |
roffblkout roffblkout; /* Block-macro cb. */ |
int asec; /* Thus-far sections. */ |
struct md_mbuf *mbuf; /* Output (or NULL). */ |
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const struct md_args *args; /* Global args. */ |
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const struct md_rbuf *rbuf; /* Input. */ |
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}; |
}; |
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static int roff_Dd(ROFFCALL_ARGS); |
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static int roff_Dt(ROFFCALL_ARGS); |
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static int roff_Os(ROFFCALL_ARGS); |
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static int roff_layout(ROFFCALL_ARGS); |
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static int roff_text(ROFFCALL_ARGS); |
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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 *); |
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static void roff_warn(const struct rofftree *, |
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const char *, char *, ...); |
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static void roff_err(const struct rofftree *, |
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const char *, char *, ...); |
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static int roffpurgepunct(struct rofftree *, char **); |
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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 roffismsec(const char *); |
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static int roffissec(const char **); |
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static int roffispunct(const char *); |
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static int roffchecksec(struct rofftree *, |
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const char *, int); |
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static int roffargs(const struct rofftree *, |
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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 **); |
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static int roffcall(struct rofftree *, int, char **); |
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static int roffexit(struct rofftree *, int); |
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static int roffparse(struct rofftree *, char *); |
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static int textparse(struct rofftree *, char *); |
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static int roffdata(struct rofftree *, int, char *); |
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static int roffspecial(struct rofftree *, int, |
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const char *, const int *, |
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const char **, size_t, char **); |
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static int roffsetname(struct rofftree *, char **); |
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/* Arguments for `An' macro. */ |
#ifdef __linux__ |
static const int roffarg_An[] = { |
extern size_t strlcat(char *, const char *, size_t); |
ROFF_Split, ROFF_Nosplit, ROFF_ARGMAX }; |
extern size_t strlcpy(char *, const char *, size_t); |
/* Arguments for `Bd' macro. */ |
extern int vsnprintf(char *, size_t, |
static const int roffarg_Bd[] = { |
const char *, va_list); |
ROFF_Ragged, ROFF_Unfilled, ROFF_Literal, ROFF_File, |
extern char *strptime(const char *, const char *, |
ROFF_Offset, ROFF_ARGMAX }; |
struct tm *); |
/* Arguments for `Bl' macro. */ |
#endif |
static const int roffarg_Bl[] = { |
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ROFF_Bullet, ROFF_Dash, ROFF_Hyphen, ROFF_Item, ROFF_Enum, |
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ROFF_Tag, ROFF_Diag, ROFF_Hang, ROFF_Ohang, ROFF_Inset, |
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ROFF_Column, ROFF_Offset, ROFF_ARGMAX }; |
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/* FIXME: a big list of fixes that must occur. |
int |
* |
roff_free(struct rofftree *tree, int flush) |
* (1) Distinction not between ROFF_TEXT and ROFF_LAYOUT, but instead |
{ |
* ROFF_ATOM and ROFF_NODE, which designate line spacing. If |
int error, t; |
* ROFF_ATOM, we need not remember any state. |
struct roffnode *n; |
* |
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* (2) Have a maybe-NULL list of possible subsequent children for each |
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* node. Bl, e.g., can only have It children (roffparse). |
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* |
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* (3) Have a maybe-NULL list of possible parents for each node. It, |
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* e.g., can only have Bl as a parent (roffparse). |
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* |
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* (N.B. If (2) were complete, (3) wouldn't be necessary.) |
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* |
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* (4) Scope rules. If Pp exists, it closes the scope out from the |
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* previous Pp (if it exists). Same with Sh and Ss. If El exists, |
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* it closes out Bl and interim It. |
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* |
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* (5) Nesting. Sh cannot be any descendant of Sh. Bl, however, can be |
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* nested within an It. |
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* |
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* Once that's done, we're golden. |
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*/ |
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/* Table of all known tokens. */ |
error = 0; |
static const struct rofftok tokens[ROFF_MAX] = { |
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{ NULL, NULL, 0, ROFF_COMMENT, 0 }, /* \" */ |
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{ roff_Dd, NULL, 0, ROFF_TEXT, 0 }, /* Dd */ |
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{ roff_Dt, NULL, 0, ROFF_TEXT, 0 }, /* Dt */ |
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{ roff_Os, NULL, 0, ROFF_TEXT, 0 }, /* Os */ |
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{ roff_layout, NULL, ROFF_Sh, ROFF_LAYOUT, ROFF_PARSED }, /* Sh */ |
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{ roff_layout, NULL, ROFF_Ss, ROFF_LAYOUT, ROFF_PARSED }, /* Ss */ |
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{ roff_layout, NULL, ROFF_Pp, ROFF_LAYOUT, 0 }, /* Pp */ |
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{ roff_layout, NULL, 0, ROFF_TEXT, 0 }, /* D1 */ |
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{ roff_layout, NULL, 0, ROFF_TEXT, 0 }, /* Dl */ |
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{ roff_layout, roffarg_Bd, 0, ROFF_LAYOUT, 0 }, /* Bd */ |
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{ roff_layout, NULL, ROFF_Bd, ROFF_LAYOUT, 0 }, /* Ed */ |
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{ roff_layout, roffarg_Bl, 0, ROFF_LAYOUT, 0 }, /* Bl */ |
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{ roff_layout, NULL, ROFF_Bl, ROFF_LAYOUT, 0 }, /* El */ |
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{ roff_layout, NULL, ROFF_It, ROFF_LAYOUT, 0 }, /* It */ |
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{ roff_text, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Ad */ |
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{ roff_text, roffarg_An, 0, ROFF_TEXT, ROFF_PARSED }, /* An */ |
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{ roff_text, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Ar */ |
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{ roff_text, NULL, 0, ROFF_TEXT, 0 }, /* Cd */ |
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{ roff_text, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Cm */ |
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{ roff_text, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Dv */ |
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{ roff_text, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Er */ |
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{ roff_text, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Ev */ |
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{ roff_text, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Ex */ |
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{ roff_text, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Fa */ |
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{ roff_text, NULL, 0, ROFF_TEXT, 0 }, /* Fd */ |
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{ roff_text, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Fl */ |
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{ roff_text, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Fn */ |
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{ roff_text, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Ft */ |
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{ roff_text, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Ic */ |
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{ roff_text, NULL, 0, ROFF_TEXT, 0 }, /* In */ |
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{ roff_text, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Li */ |
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{ roff_text, NULL, 0, ROFF_TEXT, 0 }, /* Nd */ |
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{ roff_text, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Nm */ |
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{ roff_text, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Op */ |
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{ roff_text, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Ot */ |
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{ roff_text, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Pa */ |
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{ roff_text, NULL, 0, ROFF_TEXT, 0 }, /* Rv */ |
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{ roff_text, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* St */ |
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{ roff_text, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Va */ |
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{ roff_text, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Vt */ |
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{ roff_text, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Xr */ |
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{ roff_text, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* %A */ |
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{ roff_text, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE}, /* %B */ |
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{ roff_text, NULL, 0, ROFF_TEXT, 0 }, /* %D */ |
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{ roff_text, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE}, /* %I */ |
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{ roff_text, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE}, /* %J */ |
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{ roff_text, NULL, 0, ROFF_TEXT, 0 }, /* %N */ |
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{ roff_text, NULL, 0, ROFF_TEXT, 0 }, /* %O */ |
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{ roff_text, NULL, 0, ROFF_TEXT, 0 }, /* %P */ |
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{ roff_text, NULL, 0, ROFF_TEXT, 0 }, /* %R */ |
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{ roff_text, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* %T */ |
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{ roff_text, NULL, 0, ROFF_TEXT, 0 }, /* %V */ |
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{ roff_text, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Ac */ |
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{ roff_text, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Ao */ |
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{ roff_text, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Aq */ |
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{ roff_text, NULL, 0, ROFF_TEXT, 0 }, /* At */ |
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{ roff_text, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Bc */ |
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{ roff_text, NULL, 0, ROFF_TEXT, 0 }, /* Bf */ |
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{ roff_text, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Bo */ |
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{ roff_text, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Bq */ |
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{ roff_text, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* Bsx */ |
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{ roff_text, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* Bx */ |
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{ roff_text, NULL, 0, ROFF_TEXT, 0 }, /* Db */ |
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{ roff_text, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Dc */ |
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{ roff_text, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Do */ |
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{ roff_text, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Dq */ |
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{ roff_text, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Ec */ |
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{ roff_text, NULL, 0, ROFF_TEXT, 0 }, /* Ef */ |
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{ roff_text, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Em */ |
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{ roff_text, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Eo */ |
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{ roff_text, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* Fx */ |
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{ roff_text, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* Ms */ |
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{ roff_text, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* No */ |
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{ roff_text, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Ns */ |
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{ roff_text, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* Nx */ |
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{ roff_text, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* Ox */ |
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{ roff_text, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Pc */ |
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{ roff_text, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* Pf */ |
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{ roff_text, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Po */ |
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{ roff_text, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Pq */ |
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{ roff_text, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Qc */ |
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{ roff_text, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Ql */ |
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{ roff_text, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Qo */ |
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{ roff_text, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Qq */ |
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{ roff_text, NULL, 0, ROFF_TEXT, 0 }, /* Re */ |
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{ roff_text, NULL, 0, ROFF_TEXT, 0 }, /* Rs */ |
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{ roff_text, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Sc */ |
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{ roff_text, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* So */ |
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{ roff_text, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Sq */ |
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{ roff_text, NULL, 0, ROFF_TEXT, 0 }, /* Sm */ |
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{ roff_text, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Sx */ |
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{ roff_text, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Sy */ |
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{ roff_text, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Tn */ |
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{ roff_text, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* Ux */ |
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{ roff_text, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Xc */ |
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{ roff_text, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Xo */ |
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}; |
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/* Table of all known token arguments. */ |
if ( ! flush) |
static const struct roffarg tokenargs[ROFF_ARGMAX] = { |
goto end; |
{ 0 }, /* split */ |
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{ 0 }, /* nosplit */ |
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{ 0 }, /* ragged */ |
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{ 0 }, /* unfilled */ |
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{ 0 }, /* literal */ |
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{ ROFF_VALUE }, /* file */ |
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{ ROFF_VALUE }, /* offset */ |
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{ 0 }, /* bullet */ |
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{ 0 }, /* dash */ |
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{ 0 }, /* hyphen */ |
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{ 0 }, /* item */ |
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{ 0 }, /* enum */ |
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{ 0 }, /* tag */ |
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{ 0 }, /* diag */ |
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{ 0 }, /* hang */ |
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{ 0 }, /* ohang */ |
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{ 0 }, /* inset */ |
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{ 0 }, /* column */ |
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{ 0 }, /* width */ |
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{ 0 }, /* compact */ |
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}; |
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const char *const toknamesp[ROFF_MAX] = |
error = 1; |
{ |
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"\\\"", |
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"Dd", /* Title macros. */ |
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"Dt", |
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"Os", |
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"Sh", /* Layout macros */ |
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"Ss", |
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"Pp", |
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"D1", |
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"Dl", |
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"Bd", |
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"Ed", |
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"Bl", |
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"El", |
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"It", |
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"Ad", /* Text macros. */ |
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"An", |
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"Ar", |
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"Cd", |
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"Cm", |
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"Dr", |
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"Er", |
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"Ev", |
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"Ex", |
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"Fa", |
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"Fd", |
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"Fl", |
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"Fn", |
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"Ft", |
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"Ex", |
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"Ic", |
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"In", |
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"Li", |
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"Nd", |
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"Nm", |
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"Op", |
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"Ot", |
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"Pa", |
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"Rv", |
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"St", |
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"Va", |
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"Vt", |
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"Xr", |
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"\%A", /* General text macros. */ |
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"\%B", |
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"\%D", |
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"\%I", |
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"\%J", |
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"\%N", |
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"\%O", |
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"\%P", |
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"\%R", |
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"\%T", |
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"\%V", |
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"Ac", |
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"Ao", |
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"Aq", |
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"At", |
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"Bc", |
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"Bf", |
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"Bo", |
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"Bq", |
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"Bsx", |
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"Bx", |
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"Db", |
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"Dc", |
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"Do", |
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"Dq", |
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"Ec", |
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"Ef", |
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"Em", |
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"Eo", |
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"Fx", |
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"Ms", |
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"No", |
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"Ns", |
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"Nx", |
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"Ox", |
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"Pc", |
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"Pf", |
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"Po", |
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"Pq", |
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"Qc", |
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"Ql", |
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"Qo", |
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"Qq", |
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"Re", |
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"Rs", |
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"Sc", |
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"So", |
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"Sq", |
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"Sm", |
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"Sx", |
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"Sy", |
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"Tn", |
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"Ux", |
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"Xc", /* FIXME: do not support! */ |
|
"Xo", /* FIXME: do not support! */ |
|
}; |
|
|
|
const char *const tokargnamesp[ROFF_ARGMAX] = |
if (ROFF_PRELUDE & tree->state) { |
{ |
roff_err(tree, NULL, "prelude never finished"); |
"split", |
goto end; |
"nosplit", |
} else if ( ! (ROFFSec_NAME & tree->asec)) { |
"ragged", |
roff_err(tree, NULL, "missing `NAME' section"); |
"unfilled", |
goto end; |
"literal", |
} else if ( ! (ROFFSec_NMASK & tree->asec)) |
"file", |
roff_warn(tree, NULL, "missing suggested `NAME', " |
"offset", |
"`SYNOPSIS', `DESCRIPTION' sections"); |
"bullet", |
|
"dash", |
|
"hyphen", |
|
"item", |
|
"enum", |
|
"tag", |
|
"diag", |
|
"hang", |
|
"ohang", |
|
"inset", |
|
"column", |
|
"width", |
|
"compact", |
|
}; |
|
|
|
const char *const *toknames = toknamesp; |
for (n = tree->last; n; n = n->parent) { |
const char *const *tokargnames = tokargnamesp; |
if (0 != tokens[n->tok].ctx) |
|
continue; |
|
roff_err(tree, NULL, "closing explicit scope `%s'", |
|
toknames[n->tok]); |
|
goto end; |
|
} |
|
|
|
while (tree->last) { |
|
t = tree->last->tok; |
|
if ( ! roffexit(tree, t)) |
|
goto end; |
|
} |
|
|
int |
if ( ! (*tree->cb.rofftail)(tree->arg)) |
roff_free(struct rofftree *tree, int flush) |
goto end; |
{ |
|
int error; |
|
|
|
assert(tree->mbuf); |
error = 0; |
if ( ! flush) |
|
tree->mbuf = NULL; |
|
|
|
/* LINTED */ |
end: |
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; |
while (tree->last) |
|
roffnode_free(tree); |
|
|
if (tree->mbuf && (ROFF_PRELUDE & tree->state)) { |
|
warnx("%s: prelude never finished", |
|
tree->rbuf->name); |
|
error = 1; |
|
} |
|
|
|
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, roffin textin, |
|
roffout textout, roffblkin blkin, roffblkout blkout) |
|
{ |
{ |
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->section = ROFF_MSEC_MAX; |
tree->rbuf = in; |
|
tree->roffin = textin; |
|
tree->roffout = textout; |
|
tree->roffblkin = blkin; |
|
tree->roffblkout = blkout; |
|
|
|
|
(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(struct rofftree *tree, char *buf) |
{ |
{ |
|
char *bufp; |
if (NULL == tree->last) { |
|
warnx("%s: unexpected text (line %zu)", |
/* TODO: literal parsing. */ |
tree->rbuf->name, |
|
tree->rbuf->line); |
if ( ! (ROFF_BODY & tree->state)) { |
|
roff_err(tree, buf, "data not in body"); |
return(0); |
return(0); |
} else if (NULL == tree->last->parent) { |
|
warnx("%s: disallowed text (line %zu)", |
|
tree->rbuf->name, |
|
tree->rbuf->line); |
|
return(0); |
|
} |
} |
|
|
/* Print text. */ |
/* LINTED */ |
|
while (*buf) { |
|
while (*buf && isspace(*buf)) |
|
buf++; |
|
|
|
if (0 == *buf) |
|
break; |
|
|
|
bufp = buf++; |
|
|
|
while (*buf && ! isspace(*buf)) |
|
buf++; |
|
|
|
if (0 != *buf) { |
|
*buf++ = 0; |
|
if ( ! roffdata(tree, 1, bufp)) |
|
return(0); |
|
continue; |
|
} |
|
|
|
if ( ! roffdata(tree, 1, bufp)) |
|
return(0); |
|
break; |
|
} |
|
|
return(1); |
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; |
|
|
|
/* |
|
* This is an ugly little loop. It parses a line into |
|
* space-delimited tokens. If a quote mark is encountered, a |
|
* token is alloted the entire quoted text. If whitespace is |
|
* escaped, it's included in the prior alloted token. |
|
*/ |
|
|
/* LINTED */ |
/* LINTED */ |
for (i = 0; *buf && i < ROFF_MAXARG; i++) { |
for (i = 0; *buf && i < ROFF_MAXLINEARG; 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) { |
|
if ( ! isspace(*buf)) { |
|
buf++; |
|
continue; |
|
} |
|
if (*(buf - 1) == '\\') { |
|
buf++; |
|
continue; |
|
} |
|
break; |
|
} |
|
if (0 == *buf) |
|
continue; |
} |
} |
*buf++ = 0; |
*buf++ = 0; |
while (*buf && isspace(*buf)) |
while (*buf && isspace(*buf)) |
buf++; |
buf++; |
} |
} |
|
|
assert(i > 0); |
assert(i > 0); |
if (i < ROFF_MAXARG) |
if (ROFF_MAXLINEARG == 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); |
} |
} |
|
|
|
|
static int |
static int |
roffparse(struct rofftree *tree, char *buf, size_t sz) |
roffscan(int tok, const int *tokv) |
{ |
{ |
int tok, t; |
|
struct roffnode *node; |
|
char *argv[ROFF_MAXARG]; |
|
const char **argvp; |
|
|
|
assert(sz > 0); |
if (NULL == tokv) |
|
return(1); |
|
|
/* |
for ( ; ROFF_MAX != *tokv; tokv++) |
* Extract the token identifier from the buffer. If there's no |
if (tok == *tokv) |
* callback for the token (comment, etc.) then exit immediately. |
return(1); |
* We don't do any error handling (yet), so if the token doesn't |
|
* exist, die. |
|
*/ |
|
|
|
if (3 > sz) { |
return(0); |
warnx("%s: malformed line (line %zu)", |
} |
tree->rbuf->name, |
|
tree->rbuf->line); |
|
|
static int |
|
roffparse(struct rofftree *tree, char *buf) |
|
{ |
|
int tok, t; |
|
struct roffnode *n; |
|
char *argv[ROFF_MAXLINEARG]; |
|
char **argvp; |
|
|
|
if (0 != *buf && 0 != *(buf + 1) && 0 != *(buf + 2)) |
|
if (0 == strncmp(buf, ".\\\"", 3)) |
|
return(1); |
|
|
|
if (ROFF_MAX == (tok = rofffindtok(buf + 1))) { |
|
roff_err(tree, buf, "bogus line macro"); |
return(0); |
return(0); |
|
} else if ( ! roffargs(tree, tok, buf, argv)) |
/* FIXME: .Bsx is three letters! */ |
|
} else if (ROFF_MAX == (tok = rofffindtok(buf + 1))) { |
|
warnx("%s: unknown line token `%c%c' (line %zu)", |
|
tree->rbuf->name, |
|
*(buf + 1), *(buf + 2), |
|
tree->rbuf->line); |
|
return(0); |
return(0); |
} else if (ROFF_COMMENT == tokens[tok].type) |
|
/* Ignore comment tokens. */ |
argvp = (char **)argv; |
return(1); |
|
|
/* |
|
* Prelude macros break some assumptions, so branch now. |
|
*/ |
|
|
if ( ! roffargs(tok, buf, argv)) { |
if (ROFF_PRELUDE & tree->state) { |
warnx("%s: too many arguments to `%s' (line %zu)", |
assert(NULL == tree->last); |
tree->rbuf->name, toknames[tok], |
return(roffcall(tree, tok, argvp)); |
tree->rbuf->line); |
} |
|
|
|
assert(ROFF_BODY & tree->state); |
|
|
|
/* |
|
* First check that our possible parents and parent's possible |
|
* children are satisfied. |
|
*/ |
|
|
|
if (tree->last && ! roffscan |
|
(tree->last->tok, tokens[tok].parents)) { |
|
roff_err(tree, *argvp, "`%s' has invalid parent `%s'", |
|
toknames[tok], |
|
toknames[tree->last->tok]); |
return(0); |
return(0); |
|
} |
|
|
|
if (tree->last && ! roffscan |
|
(tok, tokens[tree->last->tok].children)) { |
|
roff_err(tree, *argvp, "`%s' is invalid child of `%s'", |
|
toknames[tok], |
|
toknames[tree->last->tok]); |
|
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(roffcall(tree, tok, argvp)); |
|
if (0 == tokens[tok].ctx) |
|
return(roffcall(tree, tok, argvp)); |
|
|
if (ROFF_LAYOUT == tokens[tok].type && |
/* |
! (ROFF_NESTED & tokens[tok].flags)) { |
* First consider implicit-end tags, like as follows: |
for (node = tree->last; node; node = node->parent) { |
* .Sh SECTION 1 |
if (node->tok == tok) |
* .Sh SECTION 2 |
break; |
* 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. |
|
*/ |
|
|
/* Don't break nested scope. */ |
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. |
|
*/ |
|
|
if ( ! (ROFF_NESTED & tokens[node->tok].flags)) |
for (n = tree->last; n; n = n->parent) { |
|
assert(0 == tokens[n->tok].ctx || |
|
n->tok == tokens[n->tok].ctx); |
|
if (n->tok == tok) |
|
break; |
|
if (ROFF_SHALLOW & tokens[tok].flags) { |
|
n = NULL; |
|
break; |
|
} |
|
if (tokens[n->tok].ctx == n->tok) |
continue; |
continue; |
warnx("%s: scope of %s (line %zu) broken by " |
roff_err(tree, *argv, "`%s' breaks `%s' scope", |
"%s (line %zu)", |
toknames[tok], toknames[n->tok]); |
tree->rbuf->name, |
|
toknames[tok], node->line, |
|
toknames[node->tok], |
|
tree->rbuf->line); |
|
return(0); |
return(0); |
} |
} |
} |
|
|
|
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); |
*/ |
|
|
/* Clear up to last scoped token. */ |
if (NULL == n) |
|
return(roffcall(tree, tok, argvp)); |
|
|
/* LINTED */ |
/* |
|
* 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; |
if ( ! (*tokens[tree->last->tok].cb) |
if ( ! roffexit(tree, t)) |
(tree->last->tok, tree, NULL, ROFF_EXIT)) |
|
return(0); |
return(0); |
} while (t != tok); |
} while (t != tok); |
|
|
|
return(roffcall(tree, tok, argvp)); |
} |
} |
|
|
/* Proceed with actual token processing. */ |
/* |
|
* 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'. |
|
*/ |
|
|
argvp = (const char **)&argv[1]; |
assert(tok != tokens[tok].ctx && 0 != tokens[tok].ctx); |
return((*tokens[tok].cb)(tok, tree, argvp, ROFF_ENTER)); |
|
|
/* LINTED */ |
|
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 { |
|
t = tree->last->tok; |
|
if ( ! roffexit(tree, t)) |
|
return(0); |
|
} while (t != tokens[tok].ctx); |
|
|
|
return(1); |
} |
} |
|
|
|
|
Line 647 rofffindarg(const char *name) |
|
Line 500 rofffindarg(const char *name) |
|
|
|
|
|
static int |
static int |
rofffindtok(const char *name) |
rofffindtok(const char *buf) |
{ |
{ |
size_t i; |
char token[4]; |
|
int 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)) |
return((int)i); |
return((int)i); |
|
|
return(ROFF_MAX); |
return(ROFF_MAX); |
} |
} |
|
|
|
|
static int |
static int |
|
roffchecksec(struct rofftree *tree, const char *start, int sec) |
|
{ |
|
int prior; |
|
|
|
switch (sec) { |
|
case(ROFFSec_SYNOP): |
|
if ((prior = ROFFSec_NAME) & tree->asec) |
|
return(1); |
|
break; |
|
case(ROFFSec_DESC): |
|
if ((prior = ROFFSec_SYNOP) & tree->asec) |
|
return(1); |
|
break; |
|
case(ROFFSec_RETVAL): |
|
if ((prior = ROFFSec_DESC) & tree->asec) |
|
return(1); |
|
break; |
|
case(ROFFSec_ENV): |
|
if ((prior = ROFFSec_RETVAL) & tree->asec) |
|
return(1); |
|
break; |
|
case(ROFFSec_FILES): |
|
if ((prior = ROFFSec_ENV) & tree->asec) |
|
return(1); |
|
break; |
|
case(ROFFSec_EX): |
|
if ((prior = ROFFSec_FILES) & tree->asec) |
|
return(1); |
|
break; |
|
case(ROFFSec_DIAG): |
|
if ((prior = ROFFSec_EX) & tree->asec) |
|
return(1); |
|
break; |
|
case(ROFFSec_ERRS): |
|
if ((prior = ROFFSec_DIAG) & tree->asec) |
|
return(1); |
|
break; |
|
case(ROFFSec_SEEALSO): |
|
if ((prior = ROFFSec_ERRS) & tree->asec) |
|
return(1); |
|
break; |
|
case(ROFFSec_STAND): |
|
if ((prior = ROFFSec_SEEALSO) & tree->asec) |
|
return(1); |
|
break; |
|
case(ROFFSec_HIST): |
|
if ((prior = ROFFSec_STAND) & tree->asec) |
|
return(1); |
|
break; |
|
case(ROFFSec_AUTH): |
|
if ((prior = ROFFSec_HIST) & tree->asec) |
|
return(1); |
|
break; |
|
case(ROFFSec_CAVEATS): |
|
if ((prior = ROFFSec_AUTH) & tree->asec) |
|
return(1); |
|
break; |
|
case(ROFFSec_BUGS): |
|
if ((prior = ROFFSec_CAVEATS) & tree->asec) |
|
return(1); |
|
break; |
|
default: |
|
return(1); |
|
} |
|
|
|
roff_warn(tree, start, "section violates conventional order"); |
|
return(1); |
|
} |
|
|
|
|
|
static int |
|
roffissec(const char **p) |
|
{ |
|
|
|
assert(*p); |
|
if (NULL != *(p + 1)) { |
|
if (NULL != *(p + 2)) |
|
return(ROFFSec_OTHER); |
|
if (0 == strcmp(*p, "RETURN") && |
|
0 == strcmp(*(p + 1), "VALUES")) |
|
return(ROFFSec_RETVAL); |
|
if (0 == strcmp(*p, "SEE") && |
|
0 == strcmp(*(p + 1), "ALSO")) |
|
return(ROFFSec_SEEALSO); |
|
return(ROFFSec_OTHER); |
|
} |
|
|
|
if (0 == strcmp(*p, "NAME")) |
|
return(ROFFSec_NAME); |
|
else if (0 == strcmp(*p, "SYNOPSIS")) |
|
return(ROFFSec_SYNOP); |
|
else if (0 == strcmp(*p, "DESCRIPTION")) |
|
return(ROFFSec_DESC); |
|
else if (0 == strcmp(*p, "ENVIRONMENT")) |
|
return(ROFFSec_ENV); |
|
else if (0 == strcmp(*p, "FILES")) |
|
return(ROFFSec_FILES); |
|
else if (0 == strcmp(*p, "EXAMPLES")) |
|
return(ROFFSec_EX); |
|
else if (0 == strcmp(*p, "DIAGNOSTICS")) |
|
return(ROFFSec_DIAG); |
|
else if (0 == strcmp(*p, "ERRORS")) |
|
return(ROFFSec_ERRS); |
|
else if (0 == strcmp(*p, "STANDARDS")) |
|
return(ROFFSec_STAND); |
|
else if (0 == strcmp(*p, "HISTORY")) |
|
return(ROFFSec_HIST); |
|
else if (0 == strcmp(*p, "AUTHORS")) |
|
return(ROFFSec_AUTH); |
|
else if (0 == strcmp(*p, "CAVEATS")) |
|
return(ROFFSec_CAVEATS); |
|
else if (0 == strcmp(*p, "BUGS")) |
|
return(ROFFSec_BUGS); |
|
|
|
return(ROFFSec_OTHER); |
|
} |
|
|
|
|
|
static int |
|
roffismsec(const char *p) |
|
{ |
|
|
|
if (0 == strcmp(p, "1")) |
|
return(ROFF_MSEC_1); |
|
else if (0 == strcmp(p, "2")) |
|
return(ROFF_MSEC_2); |
|
else if (0 == strcmp(p, "3")) |
|
return(ROFF_MSEC_3); |
|
else if (0 == strcmp(p, "3p")) |
|
return(ROFF_MSEC_3p); |
|
else if (0 == strcmp(p, "4")) |
|
return(ROFF_MSEC_4); |
|
else if (0 == strcmp(p, "5")) |
|
return(ROFF_MSEC_5); |
|
else if (0 == strcmp(p, "6")) |
|
return(ROFF_MSEC_6); |
|
else if (0 == strcmp(p, "7")) |
|
return(ROFF_MSEC_7); |
|
else if (0 == strcmp(p, "8")) |
|
return(ROFF_MSEC_8); |
|
else if (0 == strcmp(p, "9")) |
|
return(ROFF_MSEC_9); |
|
else if (0 == strcmp(p, "unass")) |
|
return(ROFF_MSEC_UNASS); |
|
else if (0 == strcmp(p, "draft")) |
|
return(ROFF_MSEC_DRAFT); |
|
else if (0 == strcmp(p, "paper")) |
|
return(ROFF_MSEC_PAPER); |
|
|
|
return(ROFF_MSEC_MAX); |
|
} |
|
|
|
|
|
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; |
|
|
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); |
} |
} |
|
|
Line 679 roffnode_new(int tokid, struct rofftree *tree) |
|
Line 738 roffnode_new(int tokid, struct rofftree *tree) |
|
{ |
{ |
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); |
} |
} |
|
|
Line 709 roffargok(int tokid, int argid) |
|
Line 766 roffargok(int tokid, int argid) |
|
|
|
|
|
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; |
Line 722 roffnode_free(int tokid, struct rofftree *tree) |
|
Line 778 roffnode_free(int tokid, struct rofftree *tree) |
|
} |
} |
|
|
|
|
|
static int |
|
roffspecial(struct rofftree *tree, int tok, const char *start, |
|
const int *argc, const char **argv, |
|
size_t sz, char **ordp) |
|
{ |
|
|
|
switch (tok) { |
|
case (ROFF_At): |
|
if (0 == sz) |
|
break; |
|
if (0 == strcmp(*ordp, "v1")) |
|
break; |
|
else if (0 == strcmp(*ordp, "v2")) |
|
break; |
|
else if (0 == strcmp(*ordp, "v3")) |
|
break; |
|
else if (0 == strcmp(*ordp, "v6")) |
|
break; |
|
else if (0 == strcmp(*ordp, "v7")) |
|
break; |
|
else if (0 == strcmp(*ordp, "32v")) |
|
break; |
|
else if (0 == strcmp(*ordp, "V.1")) |
|
break; |
|
else if (0 == strcmp(*ordp, "V.4")) |
|
break; |
|
roff_err(tree, *ordp, "invalid `At' arg"); |
|
return(0); |
|
|
|
case (ROFF_Xr): |
|
if (2 == sz) { |
|
assert(ordp[1]); |
|
if (ROFF_MSEC_MAX != roffismsec(ordp[1])) |
|
break; |
|
roff_warn(tree, start, "invalid `%s' manual " |
|
"section", toknames[tok]); |
|
} |
|
/* FALLTHROUGH */ |
|
|
|
case (ROFF_Sx): |
|
/* FALLTHROUGH*/ |
|
case (ROFF_Fn): |
|
if (0 != sz) |
|
break; |
|
roff_err(tree, start, "`%s' expects at least " |
|
"one arg", toknames[tok]); |
|
return(0); |
|
|
|
case (ROFF_Nm): |
|
if (0 == sz) { |
|
if (0 == tree->name[0]) { |
|
roff_err(tree, start, "`Nm' not set"); |
|
return(0); |
|
} |
|
ordp[0] = tree->name; |
|
ordp[1] = NULL; |
|
} else if ( ! roffsetname(tree, ordp)) |
|
return(0); |
|
break; |
|
|
|
case (ROFF_Rv): |
|
/* FALLTHROUGH*/ |
|
case (ROFF_Ex): |
|
if (1 == sz) |
|
break; |
|
roff_err(tree, start, "`%s' expects one arg", |
|
toknames[tok]); |
|
return(0); |
|
|
|
case (ROFF_Sm): |
|
if (1 != sz) { |
|
roff_err(tree, start, "`Sm' expects one arg"); |
|
return(0); |
|
} |
|
|
|
if (0 != strcmp(ordp[0], "on") && |
|
0 != strcmp(ordp[0], "off")) { |
|
roff_err(tree, start, "`Sm' has invalid argument"); |
|
return(0); |
|
} |
|
break; |
|
|
|
case (ROFF_Ud): |
|
/* FALLTHROUGH */ |
|
case (ROFF_Ux): |
|
/* FALLTHROUGH */ |
|
case (ROFF_Bt): |
|
if (0 != sz) { |
|
roff_err(tree, start, "`%s' expects no args", |
|
toknames[tok]); |
|
return(0); |
|
} |
|
break; |
|
default: |
|
break; |
|
} |
|
|
|
return((*tree->cb.roffspecial)(tree->arg, tok, tree->cur, |
|
argc, argv, (const char **)ordp)); |
|
} |
|
|
|
|
|
static int |
|
roffexit(struct rofftree *tree, int tok) |
|
{ |
|
|
|
assert(tokens[tok].cb); |
|
return((*tokens[tok].cb)(tok, tree, NULL, ROFF_EXIT)); |
|
} |
|
|
|
|
|
static int |
|
roffcall(struct rofftree *tree, int tok, char **argv) |
|
{ |
|
int i; |
|
enum roffmsec c; |
|
|
|
if (NULL == tokens[tok].cb) { |
|
roff_err(tree, *argv, "`%s' is unsupported", |
|
toknames[tok]); |
|
return(0); |
|
} |
|
if (tokens[tok].sections && ROFF_MSEC_MAX != tree->section) { |
|
i = 0; |
|
while (ROFF_MSEC_MAX != |
|
(c = tokens[tok].sections[i++])) |
|
if (c == tree->section) |
|
break; |
|
if (ROFF_MSEC_MAX == c) { |
|
roff_warn(tree, *argv, "`%s' is not a valid " |
|
"macro in this manual section", |
|
toknames[tok]); |
|
} |
|
} |
|
|
|
return((*tokens[tok].cb)(tok, tree, argv, ROFF_ENTER)); |
|
} |
|
|
|
|
|
static int |
|
roffnextopt(const struct rofftree *tree, int tok, |
|
char ***in, char **val) |
|
{ |
|
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))) { |
|
roff_warn(tree, arg, "argument-like parameter `%s' to " |
|
"`%s'", arg, toknames[tok]); |
|
return(-1); |
|
} |
|
|
|
if ( ! roffargok(tok, v)) { |
|
roff_warn(tree, arg, "invalid argument parameter `%s' to " |
|
"`%s'", tokargnames[v], toknames[tok]); |
|
return(-1); |
|
} |
|
|
|
if ( ! (ROFF_VALUE & tokenargs[v])) |
|
return(v); |
|
|
|
*in = ++argv; |
|
|
|
if (NULL == *argv) { |
|
roff_err(tree, arg, "empty value of `%s' for `%s'", |
|
tokargnames[v], toknames[tok]); |
|
return(ROFF_ARGMAX); |
|
} |
|
|
|
return(v); |
|
} |
|
|
|
|
|
static int |
|
roffpurgepunct(struct rofftree *tree, char **argv) |
|
{ |
|
int i; |
|
|
|
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 ( ! roffdata(tree, 0, argv[i++])) |
|
return(0); |
|
return(1); |
|
} |
|
|
|
|
|
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); |
|
} |
|
|
|
|
|
static int |
|
roffdata(struct rofftree *tree, int space, char *buf) |
|
{ |
|
|
|
if (0 == *buf) |
|
return(1); |
|
return((*tree->cb.roffdata)(tree->arg, |
|
space != 0, tree->cur, buf)); |
|
} |
|
|
|
|
/* ARGSUSED */ |
/* 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)); |
Line 736 roff_Dd(ROFFCALL_ARGS) |
|
Line 1035 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) { |
roff_err(tree, *argv, "repeated `Dd' in prelude"); |
warnx("%s: prelude `Dd' out-of-order (line %zu)", |
|
tree->rbuf->name, tree->rbuf->line); |
|
return(0); |
return(0); |
|
} else if (ROFF_PRELUDE_Dt & tree->state) { |
|
roff_err(tree, *argv, "out-of-order `Dd' in prelude"); |
|
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); |
} |
} |
|
|
Line 766 roff_Dt(ROFFCALL_ARGS) |
|
Line 1118 roff_Dt(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)) { |
roff_err(tree, *argv, "out-of-order `Dt' in prelude"); |
warnx("%s: prelude `Dt' out-of-order (line %zu)", |
|
tree->rbuf->name, tree->rbuf->line); |
|
return(0); |
return(0); |
|
} else if (ROFF_PRELUDE_Dt & tree->state) { |
|
roff_err(tree, *argv, "repeated `Dt' in prelude"); |
|
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); |
|
} |
|
|
|
if (ROFF_MSEC_MAX == (tree->section = roffismsec(*argv))) { |
|
roff_err(tree, *argv, "bad `Dt' section"); |
|
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; |
|
|
Line 782 roff_Dt(ROFFCALL_ARGS) |
|
Line 1163 roff_Dt(ROFFCALL_ARGS) |
|
} |
} |
|
|
|
|
|
static int |
|
roffsetname(struct rofftree *tree, char **ordp) |
|
{ |
|
|
|
assert(*ordp); |
|
|
|
/* FIXME: not all sections can set this. */ |
|
|
|
if (NULL != *(ordp + 1)) { |
|
roff_err(tree, *ordp, "too many `Nm' args"); |
|
return(0); |
|
} |
|
|
|
if (strlcpy(tree->name, *ordp, sizeof(tree->name)) |
|
>= sizeof(tree->name)) { |
|
roff_err(tree, *ordp, "`Nm' arg too long"); |
|
return(0); |
|
} |
|
|
|
return(1); |
|
} |
|
|
|
|
/* ARGSUSED */ |
/* ARGSUSED */ |
static int |
static int |
|
roff_Ns(ROFFCALL_ARGS) |
|
{ |
|
int j, c, first; |
|
char *morep[1]; |
|
|
|
first = (*argv++ == tree->cur); |
|
morep[0] = NULL; |
|
|
|
if ( ! roffspecial(tree, tok, *argv, NULL, NULL, 0, morep)) |
|
return(0); |
|
|
|
while (*argv) { |
|
if (ROFF_MAX != (c = rofffindcallable(*argv))) { |
|
if ( ! roffcall(tree, c, argv)) |
|
return(0); |
|
break; |
|
} |
|
|
|
if ( ! roffispunct(*argv)) { |
|
if ( ! roffdata(tree, 1, *argv++)) |
|
return(0); |
|
continue; |
|
} |
|
|
|
for (j = 0; argv[j]; j++) |
|
if ( ! roffispunct(argv[j])) |
|
break; |
|
|
|
if (argv[j]) { |
|
if ( ! roffdata(tree, 0, *argv++)) |
|
return(0); |
|
continue; |
|
} |
|
|
|
break; |
|
} |
|
|
|
if ( ! first) |
|
return(1); |
|
|
|
return(roffpurgepunct(tree, argv)); |
|
} |
|
|
|
|
|
/* ARGSUSED */ |
|
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)); |
Line 799 roff_Os(ROFFCALL_ARGS) |
|
Line 1247 roff_Os(ROFFCALL_ARGS) |
|
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(ROFF_MSEC_MAX != tree->section); |
|
assert(0 != tree->title[0]); |
|
assert(0 != tree->os[0]); |
|
|
assert(NULL == tree->last); |
assert(NULL == tree->last); |
|
|
return(roff_layout(tok, tree, argv, type)); |
return((*tree->cb.roffhead)(tree->arg, &tree->tm, |
|
tree->os, tree->title, tree->section, |
|
tree->volume)); |
} |
} |
|
|
|
|
/* ARGUSED */ |
/* ARGSUSED */ |
static int |
static int |
roffnextopt(int tok, const char ***in, char **val) |
roff_layout(ROFFCALL_ARGS) |
{ |
{ |
const char *arg, **argv; |
int i, c, argcp[ROFF_MAXLINEARG]; |
int v; |
char *argvp[ROFF_MAXLINEARG]; |
|
|
*val = NULL; |
/* |
argv = *in; |
* The roff_layout function is for multi-line macros. A layout |
assert(argv); |
* has a start and end point, which is either declared |
|
* explicitly or implicitly. An explicit start and end is |
|
* embodied by `.Bl' and `.El', with the former being the start |
|
* and the latter being an end. The `.Sh' and `.Ss' tags, on |
|
* the other hand, are implicit. The scope of a layout is the |
|
* space between start and end. Explicit layouts may not close |
|
* out implicit ones and vice versa; implicit layouts may close |
|
* out other implicit layouts. |
|
*/ |
|
|
if (NULL == (arg = *argv)) |
assert( ! (ROFF_CALLABLE & tokens[tok].flags)); |
return(-1); |
|
if ('-' != *arg) |
|
return(-1); |
|
|
|
/* FIXME: should we let this slide... ? */ |
if (ROFF_PRELUDE & tree->state) { |
|
roff_err(tree, *argv, "bad `%s' in prelude", |
|
toknames[tok]); |
|
return(0); |
|
} else if (ROFF_EXIT == type) { |
|
roffnode_free(tree); |
|
if ( ! (*tree->cb.roffblkbodyout)(tree->arg, tok)) |
|
return(0); |
|
return((*tree->cb.roffblkout)(tree->arg, tok)); |
|
} |
|
|
if (ROFF_ARGMAX == (v = rofffindarg(&arg[1]))) |
assert( ! (ROFF_CALLABLE & tokens[tok].flags)); |
return(-1); |
|
|
|
/* FIXME: should we let this slide... ? */ |
++argv; |
|
|
if ( ! roffargok(tok, v)) |
if ( ! roffparseopts(tree, tok, &argv, argcp, argvp)) |
return(-1); |
return(0); |
if ( ! (ROFF_VALUE & tokenargs[v].flags)) |
if (NULL == roffnode_new(tok, tree)) |
return(v); |
return(0); |
|
|
*in = ++argv; |
/* |
|
* 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. |
|
* Example: |
|
* |
|
* .It Fl f ) ; |
|
* Bar. |
|
* |
|
* ...Produces... |
|
* |
|
* <block> |
|
* <head> |
|
* <!Fl f!> ; |
|
* </head> |
|
* |
|
* <body> |
|
* Bar. |
|
* </body> |
|
* </block> |
|
*/ |
|
|
/* FIXME: what if this looks like a roff token or argument? */ |
if ( ! (*tree->cb.roffblkin)(tree->arg, tok, argcp, |
|
(const char **)argvp)) |
return(*argv ? v : ROFF_ARGMAX); |
|
} |
|
|
|
|
|
/* ARGSUSED */ |
|
static int |
|
roff_layout(ROFFCALL_ARGS) |
|
{ |
|
int i, c, argcp[ROFF_MAXARG]; |
|
char *v, *argvp[ROFF_MAXARG]; |
|
|
|
if (ROFF_PRELUDE & tree->state) { |
|
warnx("%s: macro `%s' called in prelude (line %zu)", |
|
tree->rbuf->name, |
|
toknames[tok], |
|
tree->rbuf->line); |
|
return(0); |
return(0); |
} |
|
|
|
if (ROFF_EXIT == type) { |
/* +++ Begin run macro-specific hooks over argv. */ |
roffnode_free(tok, tree); |
|
return((*tree->roffblkout)(tok)); |
|
} |
|
|
|
i = 0; |
switch (tok) { |
|
case (ROFF_Sh): |
while (-1 != (c = roffnextopt(tok, &argv, &v))) { |
if (NULL == *argv) { |
if (ROFF_ARGMAX == c) { |
roff_err(tree, *(argv - 1), |
warnx("%s: error parsing `%s' args (line %zu)", |
"`Sh' expects arguments"); |
tree->rbuf->name, |
|
toknames[tok], |
|
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; |
tree->csec = roffissec((const char **)argv); |
argvp[i] = v; |
if ( ! (ROFFSec_OTHER & tree->csec) && |
i++; |
tree->asec & tree->csec) |
argv++; |
roff_warn(tree, *argv, "section repeated"); |
|
if (0 == tree->asec && ! (ROFFSec_NAME & tree->csec)) { |
|
roff_err(tree, *argv, "`NAME' section " |
|
"must be first"); |
|
return(0); |
|
} else if ( ! roffchecksec(tree, *argv, tree->csec)) |
|
return(0); |
|
|
|
tree->asec |= tree->csec; |
|
break; |
|
default: |
|
break; |
} |
} |
|
|
argcp[i] = ROFF_ARGMAX; |
/* --- End run macro-specific hooks over argv. */ |
argvp[i] = NULL; |
|
|
|
if (NULL == roffnode_new(tok, tree)) |
if (NULL == *argv) |
return(0); |
return((*tree->cb.roffblkbodyin) |
|
(tree->arg, tok, argcp, |
|
(const char **)argvp)); |
|
|
if ( ! (*tree->roffin)(tok, argcp, argvp)) |
if ( ! (*tree->cb.roffblkheadin)(tree->arg, tok, argcp, |
|
(const char **)argvp)) |
return(0); |
return(0); |
|
|
|
/* |
|
* If there are no parsable parts, then write remaining tokens |
|
* into the layout header and exit. |
|
*/ |
|
|
if ( ! (ROFF_PARSED & tokens[tok].flags)) { |
if ( ! (ROFF_PARSED & tokens[tok].flags)) { |
/* TODO: print all tokens. */ |
i = 0; |
|
while (*argv) |
|
if ( ! roffdata(tree, i++, *argv++)) |
|
return(0); |
|
|
if ( ! ((*tree->roffout)(tok))) |
if ( ! (*tree->cb.roffblkheadout)(tree->arg, tok)) |
return(0); |
return(0); |
return((*tree->roffblkin)(tok)); |
return((*tree->cb.roffblkbodyin)(tree->arg, tok, argcp, |
|
(const char **)argvp)); |
} |
} |
|
|
|
/* |
|
* 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 (2 >= strlen(*argv) && ROFF_MAX != |
if (ROFF_MAX == (c = rofffindcallable(*argv))) { |
(c = rofffindcallable(*argv))) |
assert(tree->arg); |
if ( ! (*tokens[c].cb)(c, tree, |
if ( ! roffdata(tree, i++, *argv++)) |
argv + 1, ROFF_ENTER)) |
|
return(0); |
return(0); |
|
continue; |
|
} |
|
if ( ! roffcall(tree, c, argv)) |
|
return(0); |
|
break; |
|
} |
|
|
/* TODO: print token. */ |
/* |
argv++; |
* If there's trailing punctuation in the header, then write it |
|
* out now. Here we mimic the behaviour of a line-dominant text |
|
* macro. |
|
*/ |
|
|
|
if (NULL == *argv) { |
|
if ( ! (*tree->cb.roffblkheadout)(tree->arg, tok)) |
|
return(0); |
|
return((*tree->cb.roffblkbodyin) |
|
(tree->arg, tok, argcp, |
|
(const char **)argvp)); |
} |
} |
|
|
if ( ! ((*tree->roffout)(tok))) |
/* |
return(0); |
* Expensive. Scan to the end of line then work backwards until |
|
* a token isn't punctuation. |
|
*/ |
|
|
return((*tree->roffblkin)(tok)); |
if ( ! roffpurgepunct(tree, argv)) |
|
return(0); |
|
if ( ! (*tree->cb.roffblkheadout)(tree->arg, tok)) |
|
return(0); |
|
return((*tree->cb.roffblkbodyin)(tree->arg, |
|
tok, argcp, (const char **)argvp)); |
} |
} |
|
|
|
|
/* ARGSUSED */ |
/* ARGSUSED */ |
static int |
static int |
roff_text(ROFFCALL_ARGS) |
roff_ordered(ROFFCALL_ARGS) |
{ |
{ |
int i, c, argcp[ROFF_MAXARG]; |
int i, first, c, argcp[ROFF_MAXLINEARG]; |
char *v, *argvp[ROFF_MAXARG]; |
char *ordp[ROFF_MAXLINEARG], *p, |
|
*argvp[ROFF_MAXLINEARG]; |
|
|
|
/* |
|
* Ordered macros pass their arguments directly to handlers, |
|
* instead of considering it free-form text. Thus, the |
|
* following macro looks as follows: |
|
* |
|
* .Xr foo 1 ) , |
|
* |
|
* .Xr arg1 arg2 punctuation |
|
*/ |
|
|
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); |
} |
} |
|
|
|
first = (*argv == tree->cur); |
|
p = *argv++; |
|
ordp[0] = NULL; |
|
|
|
if ( ! roffparseopts(tree, tok, &argv, argcp, argvp)) |
|
return(0); |
|
|
|
if (NULL == *argv) |
|
return(roffspecial(tree, tok, p, argcp, |
|
(const char **)argvp, 0, ordp)); |
|
|
i = 0; |
i = 0; |
|
while (*argv && i < ROFF_MAXLINEARG) { |
|
c = ROFF_PARSED & tokens[tok].flags ? |
|
rofffindcallable(*argv) : ROFF_MAX; |
|
|
while (-1 != (c = roffnextopt(tok, &argv, &v))) { |
if (ROFF_MAX == c && ! roffispunct(*argv)) { |
if (ROFF_ARGMAX == c) { |
ordp[i++] = *argv++; |
warnx("%s: error parsing `%s' args (line %zu)", |
continue; |
tree->rbuf->name, |
} |
toknames[tok], |
ordp[i] = NULL; |
tree->rbuf->line); |
|
|
if (ROFF_MAX == c) |
|
break; |
|
|
|
if ( ! roffspecial(tree, tok, p, argcp, |
|
(const char **)argvp, |
|
(size_t)i, ordp)) |
return(0); |
return(0); |
} |
|
argcp[i] = c; |
return(roffcall(tree, c, argv)); |
argvp[i] = v; |
|
i++; |
|
argv++; |
|
} |
} |
|
|
argcp[i] = ROFF_ARGMAX; |
assert(i != ROFF_MAXLINEARG); |
argvp[i] = NULL; |
ordp[i] = NULL; |
|
|
if ( ! (*tree->roffin)(tok, argcp, argvp)) |
if ( ! roffspecial(tree, tok, p, argcp, |
|
(const char**)argvp, |
|
(size_t)i, ordp)) |
return(0); |
return(0); |
|
|
|
/* FIXME: error if there's stuff after the punctuation. */ |
|
|
|
if ( ! first || NULL == *argv) |
|
return(1); |
|
|
|
return(roffpurgepunct(tree, argv)); |
|
} |
|
|
|
|
|
/* ARGSUSED */ |
|
static int |
|
roff_text(ROFFCALL_ARGS) |
|
{ |
|
int i, j, first, c, argcp[ROFF_MAXLINEARG]; |
|
char *argvp[ROFF_MAXLINEARG]; |
|
|
|
/* |
|
* Text macros are similar to special tokens, except that |
|
* arguments are instead flushed as pure data: we're only |
|
* concerned with the macro and its arguments. Example: |
|
* |
|
* .Fl v W f ; |
|
* |
|
* ...Produces... |
|
* |
|
* <fl> v W f </fl> ; |
|
*/ |
|
|
|
if (ROFF_PRELUDE & tree->state) { |
|
roff_err(tree, *argv, "`%s' disallowed in prelude", |
|
toknames[tok]); |
|
return(0); |
|
} |
|
|
|
first = (*argv == tree->cur); |
|
argv++; |
|
|
|
if ( ! roffparseopts(tree, tok, &argv, argcp, argvp)) |
|
return(0); |
|
if ( ! (*tree->cb.roffin)(tree->arg, tok, argcp, |
|
(const char **)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->roffout)(tok)); |
while (*argv) |
|
if ( ! roffdata(tree, i++, *argv++)) |
|
return(0); |
|
|
|
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). |
|
* If the punctuation is followed by non-punctuation, then close |
|
* and re-open our scope, then continue. |
|
*/ |
|
|
|
i = 0; |
while (*argv) { |
while (*argv) { |
if (2 >= strlen(*argv) && ROFF_MAX != |
if (ROFF_MAX != (c = rofffindcallable(*argv))) { |
(c = rofffindcallable(*argv))) |
if ( ! (ROFF_LSCOPE & tokens[tok].flags)) |
if ( ! (*tokens[c].cb)(c, tree, |
if ( ! (*tree->cb.roffout)(tree->arg, tok)) |
argv + 1, ROFF_ENTER)) |
return(0); |
|
|
|
if ( ! roffcall(tree, c, argv)) |
return(0); |
return(0); |
|
|
|
if (ROFF_LSCOPE & tokens[tok].flags) |
|
if ( ! (*tree->cb.roffout)(tree->arg, tok)) |
|
return(0); |
|
|
|
break; |
|
} |
|
|
/* TODO: print token. */ |
if ( ! roffispunct(*argv)) { |
argv++; |
if ( ! roffdata(tree, i++, *argv++)) |
|
return(0); |
|
continue; |
|
} |
|
|
|
i = 1; |
|
for (j = 0; argv[j]; j++) |
|
if ( ! roffispunct(argv[j])) |
|
break; |
|
|
|
if (argv[j]) { |
|
if (ROFF_LSCOPE & tokens[tok].flags) { |
|
if ( ! roffdata(tree, 0, *argv++)) |
|
return(0); |
|
continue; |
|
} |
|
if ( ! (*tree->cb.roffout)(tree->arg, tok)) |
|
return(0); |
|
if ( ! roffdata(tree, 0, *argv++)) |
|
return(0); |
|
if ( ! (*tree->cb.roffin)(tree->arg, tok, |
|
argcp, |
|
(const char **)argvp)) |
|
return(0); |
|
|
|
i = 0; |
|
continue; |
|
} |
|
|
|
if ( ! (*tree->cb.roffout)(tree->arg, tok)) |
|
return(0); |
|
break; |
} |
} |
|
|
return((*tree->roffout)(tok)); |
if (NULL == *argv) |
|
return((*tree->cb.roffout)(tree->arg, tok)); |
|
if ( ! first) |
|
return(1); |
|
|
|
return(roffpurgepunct(tree, argv)); |
} |
} |
|
|
|
|
|
/* ARGSUSED */ |
|
static int |
|
roff_noop(ROFFCALL_ARGS) |
|
{ |
|
|
|
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); |
|
} |
|
|