version 1.265, 2015/04/18 17:28:36 |
version 1.285, 2017/01/10 13:47:00 |
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/* $Id$ */ |
/* $Id$ */ |
/* |
/* |
* Copyright (c) 2009-2012, 2014 Kristaps Dzonsons <kristaps@bsd.lv> |
* Copyright (c) 2008-2012, 2014 Kristaps Dzonsons <kristaps@bsd.lv> |
* Copyright (c) 2010-2015 Ingo Schwarze <schwarze@openbsd.org> |
* Copyright (c) 2010-2015 Ingo Schwarze <schwarze@openbsd.org> |
* |
* |
* Permission to use, copy, modify, and distribute this software for any |
* Permission to use, copy, modify, and distribute this software for any |
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#include "mandoc_aux.h" |
#include "mandoc_aux.h" |
#include "roff.h" |
#include "roff.h" |
#include "libmandoc.h" |
#include "libmandoc.h" |
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#include "roff_int.h" |
#include "libroff.h" |
#include "libroff.h" |
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/* Maximum number of nested if-else conditionals. */ |
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#define RSTACK_MAX 128 |
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/* Maximum number of string expansions per line, to break infinite loops. */ |
/* Maximum number of string expansions per line, to break infinite loops. */ |
#define EXPAND_LIMIT 1000 |
#define EXPAND_LIMIT 1000 |
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/* --- data types --------------------------------------------------------- */ |
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enum rofft { |
enum rofft { |
ROFF_ab, |
ROFF_ab, |
ROFF_ad, |
ROFF_ad, |
Line 313 struct roffreg { |
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Line 313 struct roffreg { |
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struct roff { |
struct roff { |
struct mparse *parse; /* parse point */ |
struct mparse *parse; /* parse point */ |
const struct mchars *mchars; /* character table */ |
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struct roffnode *last; /* leaf of stack */ |
struct roffnode *last; /* leaf of stack */ |
int *rstack; /* stack of inverted `ie' values */ |
int *rstack; /* stack of inverted `ie' values */ |
struct roffreg *regtab; /* number registers */ |
struct roffreg *regtab; /* number registers */ |
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int rstacksz; /* current size limit of rstack */ |
int rstacksz; /* current size limit of rstack */ |
int rstackpos; /* position in rstack */ |
int rstackpos; /* position in rstack */ |
int format; /* current file in mdoc or man format */ |
int format; /* current file in mdoc or man format */ |
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int argc; /* number of args of the last macro */ |
char control; /* control character */ |
char control; /* control character */ |
}; |
}; |
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#define PREDEF(__name, __str) \ |
#define PREDEF(__name, __str) \ |
{ (__name), (__str) }, |
{ (__name), (__str) }, |
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/* --- function prototypes ------------------------------------------------ */ |
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static enum rofft roffhash_find(const char *, size_t); |
static enum rofft roffhash_find(const char *, size_t); |
static void roffhash_init(void); |
static void roffhash_init(void); |
static void roffnode_cleanscope(struct roff *); |
static void roffnode_cleanscope(struct roff *); |
Line 392 static enum rofferr roff_cond_text(ROFF_ARGS); |
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Line 394 static enum rofferr roff_cond_text(ROFF_ARGS); |
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static enum rofferr roff_cond_sub(ROFF_ARGS); |
static enum rofferr roff_cond_sub(ROFF_ARGS); |
static enum rofferr roff_ds(ROFF_ARGS); |
static enum rofferr roff_ds(ROFF_ARGS); |
static enum rofferr roff_eqndelim(struct roff *, struct buf *, int); |
static enum rofferr roff_eqndelim(struct roff *, struct buf *, int); |
static int roff_evalcond(struct roff *r, int, |
static int roff_evalcond(struct roff *r, int, char *, int *); |
const char *, int *); |
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static int roff_evalnum(struct roff *, int, |
static int roff_evalnum(struct roff *, int, |
const char *, int *, int *, int); |
const char *, int *, int *, int); |
static int roff_evalpar(struct roff *, int, |
static int roff_evalpar(struct roff *, int, |
Line 407 static int roff_getnum(const char *, int *, int *, i |
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Line 408 static int roff_getnum(const char *, int *, int *, i |
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static int roff_getop(const char *, int *, char *); |
static int roff_getop(const char *, int *, char *); |
static int roff_getregn(const struct roff *, |
static int roff_getregn(const struct roff *, |
const char *, size_t); |
const char *, size_t); |
static int roff_getregro(const char *name); |
static int roff_getregro(const struct roff *, |
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const char *name); |
static const char *roff_getstrn(const struct roff *, |
static const char *roff_getstrn(const struct roff *, |
const char *, size_t); |
const char *, size_t); |
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static int roff_hasregn(const struct roff *, |
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const char *, size_t); |
static enum rofferr roff_insec(ROFF_ARGS); |
static enum rofferr roff_insec(ROFF_ARGS); |
static enum rofferr roff_it(ROFF_ARGS); |
static enum rofferr roff_it(ROFF_ARGS); |
static enum rofferr roff_line_ignore(ROFF_ARGS); |
static enum rofferr roff_line_ignore(ROFF_ARGS); |
Line 438 static enum rofferr roff_T_(ROFF_ARGS); |
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Line 442 static enum rofferr roff_T_(ROFF_ARGS); |
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static enum rofferr roff_unsupp(ROFF_ARGS); |
static enum rofferr roff_unsupp(ROFF_ARGS); |
static enum rofferr roff_userdef(ROFF_ARGS); |
static enum rofferr roff_userdef(ROFF_ARGS); |
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/* --- constant data ------------------------------------------------------ */ |
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/* See roffhash_find() */ |
/* See roffhash_find() */ |
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#define ASCII_HI 126 |
#define ASCII_HI 126 |
Line 734 static int roffit_lines; /* number of lines to delay |
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Line 740 static int roffit_lines; /* number of lines to delay |
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static char *roffit_macro; /* nil-terminated macro line */ |
static char *roffit_macro; /* nil-terminated macro line */ |
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/* --- request table ------------------------------------------------------ */ |
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static void |
static void |
roffhash_init(void) |
roffhash_init(void) |
{ |
{ |
Line 773 roffhash_find(const char *p, size_t s) |
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Line 781 roffhash_find(const char *p, size_t s) |
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*/ |
*/ |
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if (p[0] < ASCII_LO || p[0] > ASCII_HI) |
if (p[0] < ASCII_LO || p[0] > ASCII_HI) |
return(ROFF_MAX); |
return ROFF_MAX; |
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buc = ROFF_HASH(p); |
buc = ROFF_HASH(p); |
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if (NULL == (n = hash[buc])) |
if (NULL == (n = hash[buc])) |
return(ROFF_MAX); |
return ROFF_MAX; |
for ( ; n; n = n->next) |
for ( ; n; n = n->next) |
if (0 == strncmp(n->name, p, s) && '\0' == n->name[(int)s]) |
if (0 == strncmp(n->name, p, s) && '\0' == n->name[(int)s]) |
return((enum rofft)(n - roffs)); |
return (enum rofft)(n - roffs); |
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return(ROFF_MAX); |
return ROFF_MAX; |
} |
} |
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/* --- stack of request blocks -------------------------------------------- */ |
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/* |
/* |
* Pop the current node off of the stack of roff instructions currently |
* Pop the current node off of the stack of roff instructions currently |
* pending. |
* pending. |
Line 826 roffnode_push(struct roff *r, enum rofft tok, const ch |
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Line 836 roffnode_push(struct roff *r, enum rofft tok, const ch |
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r->last = p; |
r->last = p; |
} |
} |
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/* --- roff parser state data management ---------------------------------- */ |
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static void |
static void |
roff_free1(struct roff *r) |
roff_free1(struct roff *r) |
{ |
{ |
Line 885 roff_free(struct roff *r) |
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Line 897 roff_free(struct roff *r) |
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} |
} |
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struct roff * |
struct roff * |
roff_alloc(struct mparse *parse, const struct mchars *mchars, int options) |
roff_alloc(struct mparse *parse, int options) |
{ |
{ |
struct roff *r; |
struct roff *r; |
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r = mandoc_calloc(1, sizeof(struct roff)); |
r = mandoc_calloc(1, sizeof(struct roff)); |
r->parse = parse; |
r->parse = parse; |
r->mchars = mchars; |
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r->options = options; |
r->options = options; |
r->format = options & (MPARSE_MDOC | MPARSE_MAN); |
r->format = options & (MPARSE_MDOC | MPARSE_MAN); |
r->rstackpos = -1; |
r->rstackpos = -1; |
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roffhash_init(); |
roffhash_init(); |
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return(r); |
return r; |
} |
} |
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/* --- syntax tree state data management ---------------------------------- */ |
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static void |
static void |
roff_man_free1(struct roff_man *man) |
roff_man_free1(struct roff_man *man) |
{ |
{ |
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if (man->first != NULL) { |
if (man->first != NULL) |
if (man->macroset == MACROSET_MDOC) |
roff_node_delete(man, man->first); |
mdoc_node_delete(man, man->first); |
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else |
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man_node_delete(man, man->first); |
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} |
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free(man->meta.msec); |
free(man->meta.msec); |
free(man->meta.vol); |
free(man->meta.vol); |
free(man->meta.os); |
free(man->meta.os); |
Line 963 roff_man_alloc(struct roff *roff, struct mparse *parse |
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Line 972 roff_man_alloc(struct roff *roff, struct mparse *parse |
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man->defos = defos; |
man->defos = defos; |
man->quick = quick; |
man->quick = quick; |
roff_man_alloc1(man); |
roff_man_alloc1(man); |
return(man); |
return man; |
} |
} |
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/* --- syntax tree handling ----------------------------------------------- */ |
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struct roff_node * |
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roff_node_alloc(struct roff_man *man, int line, int pos, |
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enum roff_type type, int tok) |
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{ |
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struct roff_node *n; |
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n = mandoc_calloc(1, sizeof(*n)); |
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n->line = line; |
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n->pos = pos; |
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n->tok = tok; |
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n->type = type; |
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n->sec = man->lastsec; |
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if (man->flags & MDOC_SYNOPSIS) |
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n->flags |= NODE_SYNPRETTY; |
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else |
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n->flags &= ~NODE_SYNPRETTY; |
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if (man->flags & MDOC_NEWLINE) |
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n->flags |= NODE_LINE; |
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man->flags &= ~MDOC_NEWLINE; |
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return n; |
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} |
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void |
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roff_node_append(struct roff_man *man, struct roff_node *n) |
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{ |
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switch (man->next) { |
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case ROFF_NEXT_SIBLING: |
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if (man->last->next != NULL) { |
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n->next = man->last->next; |
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man->last->next->prev = n; |
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} else |
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man->last->parent->last = n; |
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man->last->next = n; |
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n->prev = man->last; |
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n->parent = man->last->parent; |
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break; |
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case ROFF_NEXT_CHILD: |
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man->last->child = n; |
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n->parent = man->last; |
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n->parent->last = n; |
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break; |
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default: |
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abort(); |
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} |
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man->last = n; |
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switch (n->type) { |
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case ROFFT_HEAD: |
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n->parent->head = n; |
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break; |
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case ROFFT_BODY: |
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if (n->end != ENDBODY_NOT) |
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return; |
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n->parent->body = n; |
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break; |
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case ROFFT_TAIL: |
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n->parent->tail = n; |
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break; |
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default: |
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return; |
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} |
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/* |
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* Copy over the normalised-data pointer of our parent. Not |
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* everybody has one, but copying a null pointer is fine. |
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*/ |
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n->norm = n->parent->norm; |
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assert(n->parent->type == ROFFT_BLOCK); |
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} |
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void |
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roff_word_alloc(struct roff_man *man, int line, int pos, const char *word) |
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{ |
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struct roff_node *n; |
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n = roff_node_alloc(man, line, pos, ROFFT_TEXT, TOKEN_NONE); |
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n->string = roff_strdup(man->roff, word); |
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roff_node_append(man, n); |
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if (man->macroset == MACROSET_MDOC) |
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n->flags |= NODE_VALID | NODE_ENDED; |
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else |
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n->flags |= NODE_VALID; |
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man->next = ROFF_NEXT_SIBLING; |
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} |
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void |
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roff_word_append(struct roff_man *man, const char *word) |
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{ |
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struct roff_node *n; |
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char *addstr, *newstr; |
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n = man->last; |
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addstr = roff_strdup(man->roff, word); |
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mandoc_asprintf(&newstr, "%s %s", n->string, addstr); |
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free(addstr); |
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free(n->string); |
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n->string = newstr; |
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man->next = ROFF_NEXT_SIBLING; |
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} |
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void |
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roff_elem_alloc(struct roff_man *man, int line, int pos, int tok) |
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{ |
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struct roff_node *n; |
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n = roff_node_alloc(man, line, pos, ROFFT_ELEM, tok); |
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roff_node_append(man, n); |
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man->next = ROFF_NEXT_CHILD; |
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} |
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struct roff_node * |
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roff_block_alloc(struct roff_man *man, int line, int pos, int tok) |
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{ |
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struct roff_node *n; |
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n = roff_node_alloc(man, line, pos, ROFFT_BLOCK, tok); |
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roff_node_append(man, n); |
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man->next = ROFF_NEXT_CHILD; |
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return n; |
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} |
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struct roff_node * |
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roff_head_alloc(struct roff_man *man, int line, int pos, int tok) |
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{ |
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struct roff_node *n; |
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n = roff_node_alloc(man, line, pos, ROFFT_HEAD, tok); |
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roff_node_append(man, n); |
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man->next = ROFF_NEXT_CHILD; |
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return n; |
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} |
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struct roff_node * |
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roff_body_alloc(struct roff_man *man, int line, int pos, int tok) |
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{ |
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struct roff_node *n; |
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n = roff_node_alloc(man, line, pos, ROFFT_BODY, tok); |
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roff_node_append(man, n); |
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man->next = ROFF_NEXT_CHILD; |
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return n; |
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} |
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void |
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roff_addeqn(struct roff_man *man, const struct eqn *eqn) |
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{ |
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struct roff_node *n; |
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n = roff_node_alloc(man, eqn->ln, eqn->pos, ROFFT_EQN, TOKEN_NONE); |
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n->eqn = eqn; |
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if (eqn->ln > man->last->line) |
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n->flags |= NODE_LINE; |
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roff_node_append(man, n); |
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man->next = ROFF_NEXT_SIBLING; |
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} |
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void |
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roff_addtbl(struct roff_man *man, const struct tbl_span *tbl) |
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{ |
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struct roff_node *n; |
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if (man->macroset == MACROSET_MAN) |
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man_breakscope(man, TOKEN_NONE); |
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n = roff_node_alloc(man, tbl->line, 0, ROFFT_TBL, TOKEN_NONE); |
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n->span = tbl; |
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roff_node_append(man, n); |
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if (man->macroset == MACROSET_MDOC) |
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n->flags |= NODE_VALID | NODE_ENDED; |
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else |
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n->flags |= NODE_VALID; |
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man->next = ROFF_NEXT_SIBLING; |
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} |
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void |
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roff_node_unlink(struct roff_man *man, struct roff_node *n) |
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{ |
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/* Adjust siblings. */ |
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if (n->prev) |
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n->prev->next = n->next; |
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if (n->next) |
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n->next->prev = n->prev; |
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/* Adjust parent. */ |
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if (n->parent != NULL) { |
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if (n->parent->child == n) |
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n->parent->child = n->next; |
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if (n->parent->last == n) |
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n->parent->last = n->prev; |
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} |
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/* Adjust parse point. */ |
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if (man == NULL) |
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return; |
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if (man->last == n) { |
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if (n->prev == NULL) { |
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man->last = n->parent; |
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man->next = ROFF_NEXT_CHILD; |
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} else { |
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man->last = n->prev; |
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man->next = ROFF_NEXT_SIBLING; |
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} |
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} |
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if (man->first == n) |
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man->first = NULL; |
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} |
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void |
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roff_node_free(struct roff_node *n) |
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{ |
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if (n->args != NULL) |
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mdoc_argv_free(n->args); |
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if (n->type == ROFFT_BLOCK || n->type == ROFFT_ELEM) |
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free(n->norm); |
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free(n->string); |
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free(n); |
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} |
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void |
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roff_node_delete(struct roff_man *man, struct roff_node *n) |
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{ |
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while (n->child != NULL) |
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roff_node_delete(man, n->child); |
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roff_node_unlink(man, n); |
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roff_node_free(n); |
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} |
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void |
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deroff(char **dest, const struct roff_node *n) |
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{ |
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char *cp; |
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size_t sz; |
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if (n->type != ROFFT_TEXT) { |
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for (n = n->child; n != NULL; n = n->next) |
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deroff(dest, n); |
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return; |
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} |
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/* Skip leading whitespace and escape sequences. */ |
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cp = n->string; |
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while (*cp != '\0') { |
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if ('\\' == *cp) { |
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cp++; |
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mandoc_escape((const char **)&cp, NULL, NULL); |
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} else if (isspace((unsigned char)*cp)) |
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cp++; |
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else |
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break; |
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} |
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/* Skip trailing whitespace. */ |
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for (sz = strlen(cp); sz; sz--) |
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if ( ! isspace((unsigned char)cp[sz-1])) |
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break; |
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/* Skip empty strings. */ |
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if (sz == 0) |
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return; |
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if (*dest == NULL) { |
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*dest = mandoc_strndup(cp, sz); |
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return; |
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} |
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mandoc_asprintf(&cp, "%s %*s", *dest, (int)sz, cp); |
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free(*dest); |
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*dest = cp; |
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} |
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/* --- main functions of the roff parser ---------------------------------- */ |
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/* |
/* |
* In the current line, expand escape sequences that tend to get |
* In the current line, expand escape sequences that tend to get |
* used in numerical expressions and conditional requests. |
* used in numerical expressions and conditional requests. |
Line 1020 roff_res(struct roff *r, struct buf *buf, int ln, int |
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Line 1315 roff_res(struct roff *r, struct buf *buf, int ln, int |
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res = NULL; |
res = NULL; |
break; |
break; |
case 'B': |
case 'B': |
/* FALLTHROUGH */ |
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case 'w': |
case 'w': |
term = cp[1]; |
term = cp[1]; |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
Line 1031 roff_res(struct roff *r, struct buf *buf, int ln, int |
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Line 1325 roff_res(struct roff *r, struct buf *buf, int ln, int |
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esc = mandoc_escape(&cp, &stnam, &inaml); |
esc = mandoc_escape(&cp, &stnam, &inaml); |
if (esc == ESCAPE_ERROR || |
if (esc == ESCAPE_ERROR || |
(esc == ESCAPE_SPECIAL && |
(esc == ESCAPE_SPECIAL && |
mchars_spec2cp(r->mchars, stnam, inaml) < 0)) |
mchars_spec2cp(stnam, inaml) < 0)) |
mandoc_vmsg(MANDOCERR_ESC_BAD, |
mandoc_vmsg(MANDOCERR_ESC_BAD, |
r->parse, ln, (int)(stesc - buf->buf), |
r->parse, ln, (int)(stesc - buf->buf), |
"%.*s", (int)(cp - stesc), stesc); |
"%.*s", (int)(cp - stesc), stesc); |
Line 1041 roff_res(struct roff *r, struct buf *buf, int ln, int |
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Line 1335 roff_res(struct roff *r, struct buf *buf, int ln, int |
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if (EXPAND_LIMIT < ++expand_count) { |
if (EXPAND_LIMIT < ++expand_count) { |
mandoc_msg(MANDOCERR_ROFFLOOP, r->parse, |
mandoc_msg(MANDOCERR_ROFFLOOP, r->parse, |
ln, (int)(stesc - buf->buf), NULL); |
ln, (int)(stesc - buf->buf), NULL); |
return(ROFF_IGN); |
return ROFF_IGN; |
} |
} |
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/* |
/* |
Line 1095 roff_res(struct roff *r, struct buf *buf, int ln, int |
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Line 1389 roff_res(struct roff *r, struct buf *buf, int ln, int |
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} |
} |
switch (mandoc_escape(&cp, NULL, NULL)) { |
switch (mandoc_escape(&cp, NULL, NULL)) { |
case ESCAPE_SPECIAL: |
case ESCAPE_SPECIAL: |
/* FALLTHROUGH */ |
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case ESCAPE_UNICODE: |
case ESCAPE_UNICODE: |
/* FALLTHROUGH */ |
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case ESCAPE_NUMBERED: |
case ESCAPE_NUMBERED: |
/* FALLTHROUGH */ |
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case ESCAPE_OVERSTRIKE: |
case ESCAPE_OVERSTRIKE: |
naml++; |
naml++; |
break; |
break; |
Line 1148 roff_res(struct roff *r, struct buf *buf, int ln, int |
|
Line 1439 roff_res(struct roff *r, struct buf *buf, int ln, int |
|
} else if (buf->sz + strlen(res) > SHRT_MAX) { |
} else if (buf->sz + strlen(res) > SHRT_MAX) { |
mandoc_msg(MANDOCERR_ROFFLOOP, r->parse, |
mandoc_msg(MANDOCERR_ROFFLOOP, r->parse, |
ln, (int)(stesc - buf->buf), NULL); |
ln, (int)(stesc - buf->buf), NULL); |
return(ROFF_IGN); |
return ROFF_IGN; |
} |
} |
|
|
/* Replace the escape sequence by the string. */ |
/* Replace the escape sequence by the string. */ |
Line 1164 roff_res(struct roff *r, struct buf *buf, int ln, int |
|
Line 1455 roff_res(struct roff *r, struct buf *buf, int ln, int |
|
free(buf->buf); |
free(buf->buf); |
buf->buf = nbuf; |
buf->buf = nbuf; |
} |
} |
return(ROFF_CONT); |
return ROFF_CONT; |
} |
} |
|
|
/* |
/* |
* Process text streams: |
* Process text streams. |
* Convert all breakable hyphens into ASCII_HYPH. |
|
* Decrement and spring input line trap. |
|
*/ |
*/ |
static enum rofferr |
static enum rofferr |
roff_parsetext(struct buf *buf, int pos, int *offs) |
roff_parsetext(struct buf *buf, int pos, int *offs) |
Line 1181 roff_parsetext(struct buf *buf, int pos, int *offs) |
|
Line 1470 roff_parsetext(struct buf *buf, int pos, int *offs) |
|
int isz; |
int isz; |
enum mandoc_esc esc; |
enum mandoc_esc esc; |
|
|
|
/* Spring the input line trap. */ |
|
|
|
if (roffit_lines == 1) { |
|
isz = mandoc_asprintf(&p, "%s\n.%s", buf->buf, roffit_macro); |
|
free(buf->buf); |
|
buf->buf = p; |
|
buf->sz = isz + 1; |
|
*offs = 0; |
|
free(roffit_macro); |
|
roffit_lines = 0; |
|
return ROFF_REPARSE; |
|
} else if (roffit_lines > 1) |
|
--roffit_lines; |
|
|
|
/* Convert all breakable hyphens into ASCII_HYPH. */ |
|
|
start = p = buf->buf + pos; |
start = p = buf->buf + pos; |
|
|
while (*p != '\0') { |
while (*p != '\0') { |
Line 1209 roff_parsetext(struct buf *buf, int pos, int *offs) |
|
Line 1514 roff_parsetext(struct buf *buf, int pos, int *offs) |
|
*p = ASCII_HYPH; |
*p = ASCII_HYPH; |
p++; |
p++; |
} |
} |
|
return ROFF_CONT; |
/* Spring the input line trap. */ |
|
if (roffit_lines == 1) { |
|
isz = mandoc_asprintf(&p, "%s\n.%s", buf->buf, roffit_macro); |
|
free(buf->buf); |
|
buf->buf = p; |
|
buf->sz = isz + 1; |
|
*offs = 0; |
|
free(roffit_macro); |
|
roffit_lines = 0; |
|
return(ROFF_REPARSE); |
|
} else if (roffit_lines > 1) |
|
--roffit_lines; |
|
return(ROFF_CONT); |
|
} |
} |
|
|
enum rofferr |
enum rofferr |
Line 1244 roff_parseln(struct roff *r, int ln, struct buf *buf, |
|
Line 1536 roff_parseln(struct roff *r, int ln, struct buf *buf, |
|
(r->eqn == NULL || r->eqn_inline)) { |
(r->eqn == NULL || r->eqn_inline)) { |
e = roff_eqndelim(r, buf, pos); |
e = roff_eqndelim(r, buf, pos); |
if (e == ROFF_REPARSE) |
if (e == ROFF_REPARSE) |
return(e); |
return e; |
assert(e == ROFF_CONT); |
assert(e == ROFF_CONT); |
} |
} |
|
|
Line 1252 roff_parseln(struct roff *r, int ln, struct buf *buf, |
|
Line 1544 roff_parseln(struct roff *r, int ln, struct buf *buf, |
|
|
|
e = roff_res(r, buf, ln, pos); |
e = roff_res(r, buf, ln, pos); |
if (e == ROFF_IGN) |
if (e == ROFF_IGN) |
return(e); |
return e; |
assert(e == ROFF_CONT); |
assert(e == ROFF_CONT); |
|
|
ctl = roff_getcontrol(r, buf->buf, &pos); |
ctl = roff_getcontrol(r, buf->buf, &pos); |
Line 1271 roff_parseln(struct roff *r, int ln, struct buf *buf, |
|
Line 1563 roff_parseln(struct roff *r, int ln, struct buf *buf, |
|
e = (*roffs[t].text)(r, t, buf, ln, pos, pos, offs); |
e = (*roffs[t].text)(r, t, buf, ln, pos, pos, offs); |
assert(e == ROFF_IGN || e == ROFF_CONT); |
assert(e == ROFF_IGN || e == ROFF_CONT); |
if (e != ROFF_CONT) |
if (e != ROFF_CONT) |
return(e); |
return e; |
} |
} |
if (r->eqn != NULL) |
if (r->eqn != NULL) |
return(eqn_read(&r->eqn, ln, buf->buf, ppos, offs)); |
return eqn_read(&r->eqn, ln, buf->buf, ppos, offs); |
if (r->tbl != NULL && ( ! ctl || buf->buf[pos] == '\0')) |
if (r->tbl != NULL && ( ! ctl || buf->buf[pos] == '\0')) |
return(tbl_read(r->tbl, ln, buf->buf, ppos)); |
return tbl_read(r->tbl, ln, buf->buf, ppos); |
if ( ! ctl) |
if ( ! ctl) |
return(roff_parsetext(buf, pos, offs)); |
return roff_parsetext(buf, pos, offs); |
|
|
/* Skip empty request lines. */ |
/* Skip empty request lines. */ |
|
|
if (buf->buf[pos] == '"') { |
if (buf->buf[pos] == '"') { |
mandoc_msg(MANDOCERR_COMMENT_BAD, r->parse, |
mandoc_msg(MANDOCERR_COMMENT_BAD, r->parse, |
ln, pos, NULL); |
ln, pos, NULL); |
return(ROFF_IGN); |
return ROFF_IGN; |
} else if (buf->buf[pos] == '\0') |
} else if (buf->buf[pos] == '\0') |
return(ROFF_IGN); |
return ROFF_IGN; |
|
|
/* |
/* |
* If a scope is open, go to the child handler for that macro, |
* If a scope is open, go to the child handler for that macro, |
Line 1298 roff_parseln(struct roff *r, int ln, struct buf *buf, |
|
Line 1590 roff_parseln(struct roff *r, int ln, struct buf *buf, |
|
if (r->last) { |
if (r->last) { |
t = r->last->tok; |
t = r->last->tok; |
assert(roffs[t].sub); |
assert(roffs[t].sub); |
return((*roffs[t].sub)(r, t, buf, ln, ppos, pos, offs)); |
return (*roffs[t].sub)(r, t, buf, ln, ppos, pos, offs); |
} |
} |
|
|
/* No scope is open. This is a new request or macro. */ |
/* No scope is open. This is a new request or macro. */ |
Line 1312 roff_parseln(struct roff *r, int ln, struct buf *buf, |
|
Line 1604 roff_parseln(struct roff *r, int ln, struct buf *buf, |
|
mandoc_msg(MANDOCERR_TBLMACRO, r->parse, |
mandoc_msg(MANDOCERR_TBLMACRO, r->parse, |
ln, pos, buf->buf + spos); |
ln, pos, buf->buf + spos); |
if (t == ROFF_TS) |
if (t == ROFF_TS) |
return(ROFF_IGN); |
return ROFF_IGN; |
while (buf->buf[pos] != '\0' && buf->buf[pos] != ' ') |
while (buf->buf[pos] != '\0' && buf->buf[pos] != ' ') |
pos++; |
pos++; |
while (buf->buf[pos] != '\0' && buf->buf[pos] == ' ') |
while (buf->buf[pos] != '\0' && buf->buf[pos] == ' ') |
pos++; |
pos++; |
return(tbl_read(r->tbl, ln, buf->buf, pos)); |
return tbl_read(r->tbl, ln, buf->buf, pos); |
} |
} |
|
|
/* |
/* |
Line 1326 roff_parseln(struct roff *r, int ln, struct buf *buf, |
|
Line 1618 roff_parseln(struct roff *r, int ln, struct buf *buf, |
|
*/ |
*/ |
|
|
if (t == ROFF_MAX) |
if (t == ROFF_MAX) |
return(ROFF_CONT); |
return ROFF_CONT; |
|
|
/* Execute a roff request or a user defined macro. */ |
/* Execute a roff request or a user defined macro. */ |
|
|
assert(roffs[t].proc); |
assert(roffs[t].proc); |
return((*roffs[t].proc)(r, t, buf, ln, ppos, pos, offs)); |
return (*roffs[t].proc)(r, t, buf, ln, ppos, pos, offs); |
} |
} |
|
|
void |
void |
Line 1371 roff_parse(struct roff *r, char *buf, int *pos, int ln |
|
Line 1663 roff_parse(struct roff *r, char *buf, int *pos, int ln |
|
cp = buf + *pos; |
cp = buf + *pos; |
|
|
if ('\0' == *cp || '"' == *cp || '\t' == *cp || ' ' == *cp) |
if ('\0' == *cp || '"' == *cp || '\t' == *cp || ' ' == *cp) |
return(ROFF_MAX); |
return ROFF_MAX; |
|
|
mac = cp; |
mac = cp; |
maclen = roff_getname(r, &cp, ln, ppos); |
maclen = roff_getname(r, &cp, ln, ppos); |
Line 1382 roff_parse(struct roff *r, char *buf, int *pos, int ln |
|
Line 1674 roff_parse(struct roff *r, char *buf, int *pos, int ln |
|
if (ROFF_MAX != t) |
if (ROFF_MAX != t) |
*pos = cp - buf; |
*pos = cp - buf; |
|
|
return(t); |
return t; |
} |
} |
|
|
|
/* --- handling of request blocks ----------------------------------------- */ |
|
|
static enum rofferr |
static enum rofferr |
roff_cblock(ROFF_ARGS) |
roff_cblock(ROFF_ARGS) |
{ |
{ |
Line 1397 roff_cblock(ROFF_ARGS) |
|
Line 1691 roff_cblock(ROFF_ARGS) |
|
if (r->last == NULL) { |
if (r->last == NULL) { |
mandoc_msg(MANDOCERR_BLK_NOTOPEN, r->parse, |
mandoc_msg(MANDOCERR_BLK_NOTOPEN, r->parse, |
ln, ppos, ".."); |
ln, ppos, ".."); |
return(ROFF_IGN); |
return ROFF_IGN; |
} |
} |
|
|
switch (r->last->tok) { |
switch (r->last->tok) { |
case ROFF_am: |
case ROFF_am: |
/* ROFF_am1 is remapped to ROFF_am in roff_block(). */ |
/* ROFF_am1 is remapped to ROFF_am in roff_block(). */ |
/* FALLTHROUGH */ |
|
case ROFF_ami: |
case ROFF_ami: |
/* FALLTHROUGH */ |
|
case ROFF_de: |
case ROFF_de: |
/* ROFF_de1 is remapped to ROFF_de in roff_block(). */ |
/* ROFF_de1 is remapped to ROFF_de in roff_block(). */ |
/* FALLTHROUGH */ |
|
case ROFF_dei: |
case ROFF_dei: |
/* FALLTHROUGH */ |
|
case ROFF_ig: |
case ROFF_ig: |
break; |
break; |
default: |
default: |
mandoc_msg(MANDOCERR_BLK_NOTOPEN, r->parse, |
mandoc_msg(MANDOCERR_BLK_NOTOPEN, r->parse, |
ln, ppos, ".."); |
ln, ppos, ".."); |
return(ROFF_IGN); |
return ROFF_IGN; |
} |
} |
|
|
if (buf->buf[pos] != '\0') |
if (buf->buf[pos] != '\0') |
Line 1425 roff_cblock(ROFF_ARGS) |
|
Line 1715 roff_cblock(ROFF_ARGS) |
|
|
|
roffnode_pop(r); |
roffnode_pop(r); |
roffnode_cleanscope(r); |
roffnode_cleanscope(r); |
return(ROFF_IGN); |
return ROFF_IGN; |
|
|
} |
} |
|
|
Line 1452 roff_ccond(struct roff *r, int ln, int ppos) |
|
Line 1742 roff_ccond(struct roff *r, int ln, int ppos) |
|
|
|
switch (r->last->tok) { |
switch (r->last->tok) { |
case ROFF_el: |
case ROFF_el: |
/* FALLTHROUGH */ |
|
case ROFF_ie: |
case ROFF_ie: |
/* FALLTHROUGH */ |
|
case ROFF_if: |
case ROFF_if: |
break; |
break; |
default: |
default: |
Line 1520 roff_block(ROFF_ARGS) |
|
Line 1808 roff_block(ROFF_ARGS) |
|
if (namesz == 0 && tok != ROFF_ig) { |
if (namesz == 0 && tok != ROFF_ig) { |
mandoc_msg(MANDOCERR_REQ_EMPTY, r->parse, |
mandoc_msg(MANDOCERR_REQ_EMPTY, r->parse, |
ln, ppos, roffs[tok].name); |
ln, ppos, roffs[tok].name); |
return(ROFF_IGN); |
return ROFF_IGN; |
} |
} |
|
|
roffnode_push(r, tok, name, ln, ppos); |
roffnode_push(r, tok, name, ln, ppos); |
Line 1535 roff_block(ROFF_ARGS) |
|
Line 1823 roff_block(ROFF_ARGS) |
|
roff_setstrn(&r->strtab, name, namesz, "", 0, 0); |
roff_setstrn(&r->strtab, name, namesz, "", 0, 0); |
|
|
if (*cp == '\0') |
if (*cp == '\0') |
return(ROFF_IGN); |
return ROFF_IGN; |
|
|
/* Get the custom end marker. */ |
/* Get the custom end marker. */ |
|
|
Line 1562 roff_block(ROFF_ARGS) |
|
Line 1850 roff_block(ROFF_ARGS) |
|
mandoc_vmsg(MANDOCERR_ARG_EXCESS, r->parse, |
mandoc_vmsg(MANDOCERR_ARG_EXCESS, r->parse, |
ln, pos, ".%s ... %s", roffs[tok].name, cp); |
ln, pos, ".%s ... %s", roffs[tok].name, cp); |
|
|
return(ROFF_IGN); |
return ROFF_IGN; |
} |
} |
|
|
static enum rofferr |
static enum rofferr |
Line 1598 roff_block_sub(ROFF_ARGS) |
|
Line 1886 roff_block_sub(ROFF_ARGS) |
|
pos = i; |
pos = i; |
if (roff_parse(r, buf->buf, &pos, ln, ppos) != |
if (roff_parse(r, buf->buf, &pos, ln, ppos) != |
ROFF_MAX) |
ROFF_MAX) |
return(ROFF_RERUN); |
return ROFF_RERUN; |
return(ROFF_IGN); |
return ROFF_IGN; |
} |
} |
} |
} |
|
|
Line 1613 roff_block_sub(ROFF_ARGS) |
|
Line 1901 roff_block_sub(ROFF_ARGS) |
|
if (t != ROFF_cblock) { |
if (t != ROFF_cblock) { |
if (tok != ROFF_ig) |
if (tok != ROFF_ig) |
roff_setstr(r, r->last->name, buf->buf + ppos, 2); |
roff_setstr(r, r->last->name, buf->buf + ppos, 2); |
return(ROFF_IGN); |
return ROFF_IGN; |
} |
} |
|
|
assert(roffs[t].proc); |
assert(roffs[t].proc); |
return((*roffs[t].proc)(r, t, buf, ln, ppos, pos, offs)); |
return (*roffs[t].proc)(r, t, buf, ln, ppos, pos, offs); |
} |
} |
|
|
static enum rofferr |
static enum rofferr |
Line 1627 roff_block_text(ROFF_ARGS) |
|
Line 1915 roff_block_text(ROFF_ARGS) |
|
if (tok != ROFF_ig) |
if (tok != ROFF_ig) |
roff_setstr(r, r->last->name, buf->buf + pos, 2); |
roff_setstr(r, r->last->name, buf->buf + pos, 2); |
|
|
return(ROFF_IGN); |
return ROFF_IGN; |
} |
} |
|
|
static enum rofferr |
static enum rofferr |
Line 1649 roff_cond_sub(ROFF_ARGS) |
|
Line 1937 roff_cond_sub(ROFF_ARGS) |
|
if ((t != ROFF_MAX) && |
if ((t != ROFF_MAX) && |
(rr || roffs[t].flags & ROFFMAC_STRUCT)) { |
(rr || roffs[t].flags & ROFFMAC_STRUCT)) { |
assert(roffs[t].proc); |
assert(roffs[t].proc); |
return((*roffs[t].proc)(r, t, buf, ln, ppos, pos, offs)); |
return (*roffs[t].proc)(r, t, buf, ln, ppos, pos, offs); |
} |
} |
|
|
/* |
/* |
Line 1671 roff_cond_sub(ROFF_ARGS) |
|
Line 1959 roff_cond_sub(ROFF_ARGS) |
|
if (*ep != '\0') |
if (*ep != '\0') |
++ep; |
++ep; |
} |
} |
return(rr ? ROFF_CONT : ROFF_IGN); |
return rr ? ROFF_CONT : ROFF_IGN; |
} |
} |
|
|
static enum rofferr |
static enum rofferr |
Line 1692 roff_cond_text(ROFF_ARGS) |
|
Line 1980 roff_cond_text(ROFF_ARGS) |
|
if (*ep != '\0') |
if (*ep != '\0') |
++ep; |
++ep; |
} |
} |
return(rr ? ROFF_CONT : ROFF_IGN); |
return rr ? ROFF_CONT : ROFF_IGN; |
} |
} |
|
|
|
/* --- handling of numeric and conditional expressions -------------------- */ |
|
|
/* |
/* |
* Parse a single signed integer number. Stop at the first non-digit. |
* Parse a single signed integer number. Stop at the first non-digit. |
* If there is at least one digit, return success and advance the |
* If there is at least one digit, return success and advance the |
Line 1739 roff_getnum(const char *v, int *pos, int *res, int fla |
|
Line 2029 roff_getnum(const char *v, int *pos, int *res, int fla |
|
scaled = *res * 240 / 2.54; |
scaled = *res * 240 / 2.54; |
break; |
break; |
case 'v': |
case 'v': |
/* FALLTROUGH */ |
|
case 'P': |
case 'P': |
scaled = *res * 40; |
scaled = *res * 40; |
break; |
break; |
case 'm': |
case 'm': |
/* FALLTROUGH */ |
|
case 'n': |
case 'n': |
scaled = *res * 24; |
scaled = *res * 24; |
break; |
break; |
Line 1766 roff_getnum(const char *v, int *pos, int *res, int fla |
|
Line 2054 roff_getnum(const char *v, int *pos, int *res, int fla |
|
*res = scaled; |
*res = scaled; |
|
|
*pos = p + 1; |
*pos = p + 1; |
return(1); |
return 1; |
} |
} |
|
|
/* |
/* |
|
|
else if (*s3 != '\0') |
else if (*s3 != '\0') |
s3++; |
s3++; |
*pos = s3 - v; |
*pos = s3 - v; |
return(match); |
return match; |
} |
} |
|
|
/* |
/* |
|
|
* or string condition. |
* or string condition. |
*/ |
*/ |
static int |
static int |
roff_evalcond(struct roff *r, int ln, const char *v, int *pos) |
roff_evalcond(struct roff *r, int ln, char *v, int *pos) |
{ |
{ |
|
char *cp, *name; |
|
size_t sz; |
int number, savepos, wanttrue; |
int number, savepos, wanttrue; |
|
|
if ('!' == v[*pos]) { |
if ('!' == v[*pos]) { |
Line 1829 roff_evalcond(struct roff *r, int ln, const char *v, i |
|
Line 2119 roff_evalcond(struct roff *r, int ln, const char *v, i |
|
|
|
switch (v[*pos]) { |
switch (v[*pos]) { |
case '\0': |
case '\0': |
return(0); |
return 0; |
case 'n': |
case 'n': |
/* FALLTHROUGH */ |
|
case 'o': |
case 'o': |
(*pos)++; |
(*pos)++; |
return(wanttrue); |
return wanttrue; |
case 'c': |
case 'c': |
/* FALLTHROUGH */ |
|
case 'd': |
case 'd': |
/* FALLTHROUGH */ |
|
case 'e': |
case 'e': |
/* FALLTHROUGH */ |
|
case 'r': |
|
/* FALLTHROUGH */ |
|
case 't': |
case 't': |
/* FALLTHROUGH */ |
|
case 'v': |
case 'v': |
(*pos)++; |
(*pos)++; |
return(!wanttrue); |
return !wanttrue; |
|
case 'r': |
|
cp = name = v + ++*pos; |
|
sz = roff_getname(r, &cp, ln, *pos); |
|
*pos = cp - v; |
|
return (sz && roff_hasregn(r, name, sz)) == wanttrue; |
default: |
default: |
break; |
break; |
} |
} |
|
|
savepos = *pos; |
savepos = *pos; |
if (roff_evalnum(r, ln, v, pos, &number, ROFFNUM_SCALE)) |
if (roff_evalnum(r, ln, v, pos, &number, ROFFNUM_SCALE)) |
return((number > 0) == wanttrue); |
return (number > 0) == wanttrue; |
else if (*pos == savepos) |
else if (*pos == savepos) |
return(roff_evalstrcond(v, pos) == wanttrue); |
return roff_evalstrcond(v, pos) == wanttrue; |
else |
else |
return (0); |
return 0; |
} |
} |
|
|
static enum rofferr |
static enum rofferr |
roff_line_ignore(ROFF_ARGS) |
roff_line_ignore(ROFF_ARGS) |
{ |
{ |
|
|
return(ROFF_IGN); |
return ROFF_IGN; |
} |
} |
|
|
static enum rofferr |
static enum rofferr |
Line 1874 roff_insec(ROFF_ARGS) |
|
Line 2162 roff_insec(ROFF_ARGS) |
|
|
|
mandoc_msg(MANDOCERR_REQ_INSEC, r->parse, |
mandoc_msg(MANDOCERR_REQ_INSEC, r->parse, |
ln, ppos, roffs[tok].name); |
ln, ppos, roffs[tok].name); |
return(ROFF_IGN); |
return ROFF_IGN; |
} |
} |
|
|
static enum rofferr |
static enum rofferr |
Line 1883 roff_unsupp(ROFF_ARGS) |
|
Line 2171 roff_unsupp(ROFF_ARGS) |
|
|
|
mandoc_msg(MANDOCERR_REQ_UNSUPP, r->parse, |
mandoc_msg(MANDOCERR_REQ_UNSUPP, r->parse, |
ln, ppos, roffs[tok].name); |
ln, ppos, roffs[tok].name); |
return(ROFF_IGN); |
return ROFF_IGN; |
} |
} |
|
|
static enum rofferr |
static enum rofferr |
Line 1942 roff_cond(ROFF_ARGS) |
|
Line 2230 roff_cond(ROFF_ARGS) |
|
if (buf->buf[pos] == '\\' && buf->buf[pos + 1] == '{') { |
if (buf->buf[pos] == '\\' && buf->buf[pos + 1] == '{') { |
r->last->endspan = -1; |
r->last->endspan = -1; |
pos += 2; |
pos += 2; |
|
while (buf->buf[pos] == ' ') |
|
pos++; |
goto out; |
goto out; |
} |
} |
|
|
Line 1959 roff_cond(ROFF_ARGS) |
|
Line 2249 roff_cond(ROFF_ARGS) |
|
|
|
out: |
out: |
*offs = pos; |
*offs = pos; |
return(ROFF_RERUN); |
return ROFF_RERUN; |
} |
} |
|
|
static enum rofferr |
static enum rofferr |
Line 1984 roff_ds(ROFF_ARGS) |
|
Line 2274 roff_ds(ROFF_ARGS) |
|
|
|
name = string = buf->buf + pos; |
name = string = buf->buf + pos; |
if (*name == '\0') |
if (*name == '\0') |
return(ROFF_IGN); |
return ROFF_IGN; |
|
|
namesz = roff_getname(r, &string, ln, pos); |
namesz = roff_getname(r, &string, ln, pos); |
if (name[namesz] == '\\') |
if (name[namesz] == '\\') |
return(ROFF_IGN); |
return ROFF_IGN; |
|
|
/* Read past the initial double-quote, if any. */ |
/* Read past the initial double-quote, if any. */ |
if (*string == '"') |
if (*string == '"') |
Line 1997 roff_ds(ROFF_ARGS) |
|
Line 2287 roff_ds(ROFF_ARGS) |
|
/* The rest is the value. */ |
/* The rest is the value. */ |
roff_setstrn(&r->strtab, name, namesz, string, strlen(string), |
roff_setstrn(&r->strtab, name, namesz, string, strlen(string), |
ROFF_as == tok); |
ROFF_as == tok); |
return(ROFF_IGN); |
return ROFF_IGN; |
} |
} |
|
|
/* |
/* |
Line 2013 roff_getop(const char *v, int *pos, char *res) |
|
Line 2303 roff_getop(const char *v, int *pos, char *res) |
|
|
|
switch (*res) { |
switch (*res) { |
case '+': |
case '+': |
/* FALLTHROUGH */ |
|
case '-': |
case '-': |
/* FALLTHROUGH */ |
|
case '*': |
case '*': |
/* FALLTHROUGH */ |
|
case '/': |
case '/': |
/* FALLTHROUGH */ |
|
case '%': |
case '%': |
/* FALLTHROUGH */ |
|
case '&': |
case '&': |
/* FALLTHROUGH */ |
|
case ':': |
case ':': |
break; |
break; |
case '<': |
case '<': |
Line 2063 roff_getop(const char *v, int *pos, char *res) |
|
Line 2347 roff_getop(const char *v, int *pos, char *res) |
|
(*pos)++; |
(*pos)++; |
break; |
break; |
default: |
default: |
return(0); |
return 0; |
} |
} |
(*pos)++; |
(*pos)++; |
|
|
return(*res); |
return *res; |
} |
} |
|
|
/* |
/* |
Line 2080 roff_evalpar(struct roff *r, int ln, |
|
Line 2364 roff_evalpar(struct roff *r, int ln, |
|
{ |
{ |
|
|
if ('(' != v[*pos]) |
if ('(' != v[*pos]) |
return(roff_getnum(v, pos, res, flags)); |
return roff_getnum(v, pos, res, flags); |
|
|
(*pos)++; |
(*pos)++; |
if ( ! roff_evalnum(r, ln, v, pos, res, flags | ROFFNUM_WHITE)) |
if ( ! roff_evalnum(r, ln, v, pos, res, flags | ROFFNUM_WHITE)) |
return(0); |
return 0; |
|
|
/* |
/* |
* Omission of the closing parenthesis |
* Omission of the closing parenthesis |
Line 2095 roff_evalpar(struct roff *r, int ln, |
|
Line 2379 roff_evalpar(struct roff *r, int ln, |
|
if (')' == v[*pos]) |
if (')' == v[*pos]) |
(*pos)++; |
(*pos)++; |
else if (NULL == res) |
else if (NULL == res) |
return(0); |
return 0; |
|
|
return(1); |
return 1; |
} |
} |
|
|
/* |
/* |
Line 2121 roff_evalnum(struct roff *r, int ln, const char *v, |
|
Line 2405 roff_evalnum(struct roff *r, int ln, const char *v, |
|
(*pos)++; |
(*pos)++; |
|
|
if ( ! roff_evalpar(r, ln, v, pos, res, flags)) |
if ( ! roff_evalpar(r, ln, v, pos, res, flags)) |
return(0); |
return 0; |
|
|
while (1) { |
while (1) { |
if (flags & ROFFNUM_WHITE) |
if (flags & ROFFNUM_WHITE) |
Line 2136 roff_evalnum(struct roff *r, int ln, const char *v, |
|
Line 2420 roff_evalnum(struct roff *r, int ln, const char *v, |
|
(*pos)++; |
(*pos)++; |
|
|
if ( ! roff_evalpar(r, ln, v, pos, &operand2, flags)) |
if ( ! roff_evalpar(r, ln, v, pos, &operand2, flags)) |
return(0); |
return 0; |
|
|
if (flags & ROFFNUM_WHITE) |
if (flags & ROFFNUM_WHITE) |
while (isspace((unsigned char)v[*pos])) |
while (isspace((unsigned char)v[*pos])) |
Line 2209 roff_evalnum(struct roff *r, int ln, const char *v, |
|
Line 2493 roff_evalnum(struct roff *r, int ln, const char *v, |
|
abort(); |
abort(); |
} |
} |
} |
} |
return(1); |
return 1; |
} |
} |
|
|
|
/* --- register management ------------------------------------------------ */ |
|
|
void |
void |
roff_setreg(struct roff *r, const char *name, int val, char sign) |
roff_setreg(struct roff *r, const char *name, int val, char sign) |
{ |
{ |
Line 2248 roff_setreg(struct roff *r, const char *name, int val, |
|
Line 2534 roff_setreg(struct roff *r, const char *name, int val, |
|
* were to turn up, another special value would have to be chosen. |
* were to turn up, another special value would have to be chosen. |
*/ |
*/ |
static int |
static int |
roff_getregro(const char *name) |
roff_getregro(const struct roff *r, const char *name) |
{ |
{ |
|
|
switch (*name) { |
switch (*name) { |
|
case '$': /* Number of arguments of the last macro evaluated. */ |
|
return r->argc; |
case 'A': /* ASCII approximation mode is always off. */ |
case 'A': /* ASCII approximation mode is always off. */ |
return(0); |
return 0; |
case 'g': /* Groff compatibility mode is always on. */ |
case 'g': /* Groff compatibility mode is always on. */ |
return(1); |
return 1; |
case 'H': /* Fixed horizontal resolution. */ |
case 'H': /* Fixed horizontal resolution. */ |
return (24); |
return 24; |
case 'j': /* Always adjust left margin only. */ |
case 'j': /* Always adjust left margin only. */ |
return(0); |
return 0; |
case 'T': /* Some output device is always defined. */ |
case 'T': /* Some output device is always defined. */ |
return(1); |
return 1; |
case 'V': /* Fixed vertical resolution. */ |
case 'V': /* Fixed vertical resolution. */ |
return (40); |
return 40; |
default: |
default: |
return (-1); |
return -1; |
} |
} |
} |
} |
|
|
Line 2276 roff_getreg(const struct roff *r, const char *name) |
|
Line 2564 roff_getreg(const struct roff *r, const char *name) |
|
int val; |
int val; |
|
|
if ('.' == name[0] && '\0' != name[1] && '\0' == name[2]) { |
if ('.' == name[0] && '\0' != name[1] && '\0' == name[2]) { |
val = roff_getregro(name + 1); |
val = roff_getregro(r, name + 1); |
if (-1 != val) |
if (-1 != val) |
return (val); |
return val; |
} |
} |
|
|
for (reg = r->regtab; reg; reg = reg->next) |
for (reg = r->regtab; reg; reg = reg->next) |
if (0 == strcmp(name, reg->key.p)) |
if (0 == strcmp(name, reg->key.p)) |
return(reg->val); |
return reg->val; |
|
|
return(0); |
return 0; |
} |
} |
|
|
static int |
static int |
Line 2295 roff_getregn(const struct roff *r, const char *name, s |
|
Line 2583 roff_getregn(const struct roff *r, const char *name, s |
|
int val; |
int val; |
|
|
if ('.' == name[0] && 2 == len) { |
if ('.' == name[0] && 2 == len) { |
val = roff_getregro(name + 1); |
val = roff_getregro(r, name + 1); |
if (-1 != val) |
if (-1 != val) |
return (val); |
return val; |
} |
} |
|
|
for (reg = r->regtab; reg; reg = reg->next) |
for (reg = r->regtab; reg; reg = reg->next) |
if (len == reg->key.sz && |
if (len == reg->key.sz && |
0 == strncmp(name, reg->key.p, len)) |
0 == strncmp(name, reg->key.p, len)) |
return(reg->val); |
return reg->val; |
|
|
return(0); |
return 0; |
} |
} |
|
|
|
static int |
|
roff_hasregn(const struct roff *r, const char *name, size_t len) |
|
{ |
|
struct roffreg *reg; |
|
int val; |
|
|
|
if ('.' == name[0] && 2 == len) { |
|
val = roff_getregro(r, name + 1); |
|
if (-1 != val) |
|
return 1; |
|
} |
|
|
|
for (reg = r->regtab; reg; reg = reg->next) |
|
if (len == reg->key.sz && |
|
0 == strncmp(name, reg->key.p, len)) |
|
return 1; |
|
|
|
return 0; |
|
} |
|
|
static void |
static void |
roff_freereg(struct roffreg *reg) |
roff_freereg(struct roffreg *reg) |
{ |
{ |
Line 2331 roff_nr(ROFF_ARGS) |
|
Line 2639 roff_nr(ROFF_ARGS) |
|
|
|
key = val = buf->buf + pos; |
key = val = buf->buf + pos; |
if (*key == '\0') |
if (*key == '\0') |
return(ROFF_IGN); |
return ROFF_IGN; |
|
|
keysz = roff_getname(r, &val, ln, pos); |
keysz = roff_getname(r, &val, ln, pos); |
if (key[keysz] == '\\') |
if (key[keysz] == '\\') |
return(ROFF_IGN); |
return ROFF_IGN; |
key[keysz] = '\0'; |
key[keysz] = '\0'; |
|
|
sign = *val; |
sign = *val; |
Line 2345 roff_nr(ROFF_ARGS) |
|
Line 2653 roff_nr(ROFF_ARGS) |
|
if (roff_evalnum(r, ln, val, NULL, &iv, ROFFNUM_SCALE)) |
if (roff_evalnum(r, ln, val, NULL, &iv, ROFFNUM_SCALE)) |
roff_setreg(r, key, iv, sign); |
roff_setreg(r, key, iv, sign); |
|
|
return(ROFF_IGN); |
return ROFF_IGN; |
} |
} |
|
|
static enum rofferr |
static enum rofferr |
Line 2357 roff_rr(ROFF_ARGS) |
|
Line 2665 roff_rr(ROFF_ARGS) |
|
|
|
name = cp = buf->buf + pos; |
name = cp = buf->buf + pos; |
if (*name == '\0') |
if (*name == '\0') |
return(ROFF_IGN); |
return ROFF_IGN; |
namesz = roff_getname(r, &cp, ln, pos); |
namesz = roff_getname(r, &cp, ln, pos); |
name[namesz] = '\0'; |
name[namesz] = '\0'; |
|
|
Line 2373 roff_rr(ROFF_ARGS) |
|
Line 2681 roff_rr(ROFF_ARGS) |
|
free(reg->key.p); |
free(reg->key.p); |
free(reg); |
free(reg); |
} |
} |
return(ROFF_IGN); |
return ROFF_IGN; |
} |
} |
|
|
|
/* --- handler functions for roff requests -------------------------------- */ |
|
|
static enum rofferr |
static enum rofferr |
roff_rm(ROFF_ARGS) |
roff_rm(ROFF_ARGS) |
{ |
{ |
Line 2391 roff_rm(ROFF_ARGS) |
|
Line 2701 roff_rm(ROFF_ARGS) |
|
if (name[namesz] == '\\') |
if (name[namesz] == '\\') |
break; |
break; |
} |
} |
return(ROFF_IGN); |
return ROFF_IGN; |
} |
} |
|
|
static enum rofferr |
static enum rofferr |
Line 2404 roff_it(ROFF_ARGS) |
|
Line 2714 roff_it(ROFF_ARGS) |
|
if ( ! roff_evalnum(r, ln, buf->buf, &pos, &iv, 0)) { |
if ( ! roff_evalnum(r, ln, buf->buf, &pos, &iv, 0)) { |
mandoc_msg(MANDOCERR_IT_NONUM, r->parse, |
mandoc_msg(MANDOCERR_IT_NONUM, r->parse, |
ln, ppos, buf->buf + 1); |
ln, ppos, buf->buf + 1); |
return(ROFF_IGN); |
return ROFF_IGN; |
} |
} |
|
|
while (isspace((unsigned char)buf->buf[pos])) |
while (isspace((unsigned char)buf->buf[pos])) |
Line 2420 roff_it(ROFF_ARGS) |
|
Line 2730 roff_it(ROFF_ARGS) |
|
roffit_macro = mandoc_strdup(iv != 1 || |
roffit_macro = mandoc_strdup(iv != 1 || |
strcmp(buf->buf + pos, "an-trap") ? |
strcmp(buf->buf + pos, "an-trap") ? |
buf->buf + pos : "br"); |
buf->buf + pos : "br"); |
return(ROFF_IGN); |
return ROFF_IGN; |
} |
} |
|
|
static enum rofferr |
static enum rofferr |
Line 2435 roff_Dd(ROFF_ARGS) |
|
Line 2745 roff_Dd(ROFF_ARGS) |
|
if (r->format == 0) |
if (r->format == 0) |
r->format = MPARSE_MDOC; |
r->format = MPARSE_MDOC; |
|
|
return(ROFF_CONT); |
return ROFF_CONT; |
} |
} |
|
|
static enum rofferr |
static enum rofferr |
Line 2450 roff_TH(ROFF_ARGS) |
|
Line 2760 roff_TH(ROFF_ARGS) |
|
if (r->format == 0) |
if (r->format == 0) |
r->format = MPARSE_MAN; |
r->format = MPARSE_MAN; |
|
|
return(ROFF_CONT); |
return ROFF_CONT; |
} |
} |
|
|
static enum rofferr |
static enum rofferr |
Line 2464 roff_TE(ROFF_ARGS) |
|
Line 2774 roff_TE(ROFF_ARGS) |
|
free(buf->buf); |
free(buf->buf); |
buf->buf = mandoc_strdup(".sp"); |
buf->buf = mandoc_strdup(".sp"); |
buf->sz = 4; |
buf->sz = 4; |
return(ROFF_REPARSE); |
return ROFF_REPARSE; |
} |
} |
return(ROFF_IGN); |
return ROFF_IGN; |
} |
} |
|
|
static enum rofferr |
static enum rofferr |
Line 2479 roff_T_(ROFF_ARGS) |
|
Line 2789 roff_T_(ROFF_ARGS) |
|
else |
else |
tbl_restart(ppos, ln, r->tbl); |
tbl_restart(ppos, ln, r->tbl); |
|
|
return(ROFF_IGN); |
return ROFF_IGN; |
} |
} |
|
|
/* |
/* |
Line 2502 roff_eqndelim(struct roff *r, struct buf *buf, int pos |
|
Line 2812 roff_eqndelim(struct roff *r, struct buf *buf, int pos |
|
cp2 = strchr(cp1, r->eqn == NULL ? |
cp2 = strchr(cp1, r->eqn == NULL ? |
r->last_eqn->odelim : r->last_eqn->cdelim); |
r->last_eqn->odelim : r->last_eqn->cdelim); |
if (cp2 == NULL) |
if (cp2 == NULL) |
return(ROFF_CONT); |
return ROFF_CONT; |
|
|
*cp2++ = '\0'; |
*cp2++ = '\0'; |
bef_pr = bef_nl = aft_nl = aft_pr = ""; |
bef_pr = bef_nl = aft_nl = aft_pr = ""; |
Line 2545 roff_eqndelim(struct roff *r, struct buf *buf, int pos |
|
Line 2855 roff_eqndelim(struct roff *r, struct buf *buf, int pos |
|
/* Toggle the in-line state of the eqn subsystem. */ |
/* Toggle the in-line state of the eqn subsystem. */ |
|
|
r->eqn_inline = r->eqn == NULL; |
r->eqn_inline = r->eqn == NULL; |
return(ROFF_REPARSE); |
return ROFF_REPARSE; |
} |
} |
|
|
static enum rofferr |
static enum rofferr |
Line 2570 roff_EQ(ROFF_ARGS) |
|
Line 2880 roff_EQ(ROFF_ARGS) |
|
mandoc_vmsg(MANDOCERR_ARG_SKIP, r->parse, ln, pos, |
mandoc_vmsg(MANDOCERR_ARG_SKIP, r->parse, ln, pos, |
".EQ %s", buf->buf + pos); |
".EQ %s", buf->buf + pos); |
|
|
return(ROFF_IGN); |
return ROFF_IGN; |
} |
} |
|
|
static enum rofferr |
static enum rofferr |
Line 2578 roff_EN(ROFF_ARGS) |
|
Line 2888 roff_EN(ROFF_ARGS) |
|
{ |
{ |
|
|
mandoc_msg(MANDOCERR_BLK_NOTOPEN, r->parse, ln, ppos, "EN"); |
mandoc_msg(MANDOCERR_BLK_NOTOPEN, r->parse, ln, ppos, "EN"); |
return(ROFF_IGN); |
return ROFF_IGN; |
} |
} |
|
|
static enum rofferr |
static enum rofferr |
Line 2600 roff_TS(ROFF_ARGS) |
|
Line 2910 roff_TS(ROFF_ARGS) |
|
r->first_tbl = r->last_tbl = tbl; |
r->first_tbl = r->last_tbl = tbl; |
|
|
r->tbl = r->last_tbl = tbl; |
r->tbl = r->last_tbl = tbl; |
return(ROFF_IGN); |
return ROFF_IGN; |
} |
} |
|
|
static enum rofferr |
static enum rofferr |
Line 2608 roff_brp(ROFF_ARGS) |
|
Line 2918 roff_brp(ROFF_ARGS) |
|
{ |
{ |
|
|
buf->buf[pos - 1] = '\0'; |
buf->buf[pos - 1] = '\0'; |
return(ROFF_CONT); |
return ROFF_CONT; |
} |
} |
|
|
static enum rofferr |
static enum rofferr |
Line 2625 roff_cc(ROFF_ARGS) |
|
Line 2935 roff_cc(ROFF_ARGS) |
|
mandoc_vmsg(MANDOCERR_ARG_EXCESS, r->parse, |
mandoc_vmsg(MANDOCERR_ARG_EXCESS, r->parse, |
ln, p - buf->buf, "cc ... %s", p); |
ln, p - buf->buf, "cc ... %s", p); |
|
|
return(ROFF_IGN); |
return ROFF_IGN; |
} |
} |
|
|
static enum rofferr |
static enum rofferr |
Line 2639 roff_tr(ROFF_ARGS) |
|
Line 2949 roff_tr(ROFF_ARGS) |
|
|
|
if (*p == '\0') { |
if (*p == '\0') { |
mandoc_msg(MANDOCERR_REQ_EMPTY, r->parse, ln, ppos, "tr"); |
mandoc_msg(MANDOCERR_REQ_EMPTY, r->parse, ln, ppos, "tr"); |
return(ROFF_IGN); |
return ROFF_IGN; |
} |
} |
|
|
while (*p != '\0') { |
while (*p != '\0') { |
Line 2651 roff_tr(ROFF_ARGS) |
|
Line 2961 roff_tr(ROFF_ARGS) |
|
if (esc == ESCAPE_ERROR) { |
if (esc == ESCAPE_ERROR) { |
mandoc_msg(MANDOCERR_ESC_BAD, r->parse, |
mandoc_msg(MANDOCERR_ESC_BAD, r->parse, |
ln, (int)(p - buf->buf), first); |
ln, (int)(p - buf->buf), first); |
return(ROFF_IGN); |
return ROFF_IGN; |
} |
} |
fsz = (size_t)(p - first); |
fsz = (size_t)(p - first); |
} |
} |
Line 2662 roff_tr(ROFF_ARGS) |
|
Line 2972 roff_tr(ROFF_ARGS) |
|
if (esc == ESCAPE_ERROR) { |
if (esc == ESCAPE_ERROR) { |
mandoc_msg(MANDOCERR_ESC_BAD, r->parse, |
mandoc_msg(MANDOCERR_ESC_BAD, r->parse, |
ln, (int)(p - buf->buf), second); |
ln, (int)(p - buf->buf), second); |
return(ROFF_IGN); |
return ROFF_IGN; |
} |
} |
ssz = (size_t)(p - second); |
ssz = (size_t)(p - second); |
} else if (*second == '\0') { |
} else if (*second == '\0') { |
Line 2687 roff_tr(ROFF_ARGS) |
|
Line 2997 roff_tr(ROFF_ARGS) |
|
r->xtab[(int)*first].sz = ssz; |
r->xtab[(int)*first].sz = ssz; |
} |
} |
|
|
return(ROFF_IGN); |
return ROFF_IGN; |
} |
} |
|
|
static enum rofferr |
static enum rofferr |
Line 2713 roff_so(ROFF_ARGS) |
|
Line 3023 roff_so(ROFF_ARGS) |
|
free(buf->buf); |
free(buf->buf); |
buf->buf = cp; |
buf->buf = cp; |
*offs = 0; |
*offs = 0; |
return(ROFF_REPARSE); |
return ROFF_REPARSE; |
} |
} |
|
|
*offs = pos; |
*offs = pos; |
return(ROFF_SO); |
return ROFF_SO; |
} |
} |
|
|
|
/* --- user defined strings and macros ------------------------------------ */ |
|
|
static enum rofferr |
static enum rofferr |
roff_userdef(ROFF_ARGS) |
roff_userdef(ROFF_ARGS) |
{ |
{ |
const char *arg[9], *ap; |
const char *arg[9], *ap; |
char *cp, *n1, *n2; |
char *cp, *n1, *n2; |
int i; |
int i, ib, ie; |
size_t asz, rsz; |
size_t asz, rsz; |
|
|
/* |
/* |
Line 2733 roff_userdef(ROFF_ARGS) |
|
Line 3045 roff_userdef(ROFF_ARGS) |
|
* and NUL-terminate them. |
* and NUL-terminate them. |
*/ |
*/ |
|
|
|
r->argc = 0; |
cp = buf->buf + pos; |
cp = buf->buf + pos; |
for (i = 0; i < 9; i++) |
for (i = 0; i < 9; i++) { |
arg[i] = *cp == '\0' ? "" : |
if (*cp == '\0') |
mandoc_getarg(r->parse, &cp, ln, &pos); |
arg[i] = ""; |
|
else { |
|
arg[i] = mandoc_getarg(r->parse, &cp, ln, &pos); |
|
r->argc = i + 1; |
|
} |
|
} |
|
|
/* |
/* |
* Expand macro arguments. |
* Expand macro arguments. |
Line 2753 roff_userdef(ROFF_ARGS) |
|
Line 3071 roff_userdef(ROFF_ARGS) |
|
continue; |
continue; |
if (*cp++ != '$') |
if (*cp++ != '$') |
continue; |
continue; |
i = *cp - '1'; |
if (*cp == '*') { /* \\$* inserts all arguments */ |
if (0 > i || 8 < i) |
ib = 0; |
continue; |
ie = r->argc - 1; |
|
} else { /* \\$1 .. \\$9 insert one argument */ |
|
ib = ie = *cp - '1'; |
|
if (ib < 0 || ib > 8) |
|
continue; |
|
} |
cp -= 2; |
cp -= 2; |
|
|
/* |
/* |
Line 2763 roff_userdef(ROFF_ARGS) |
|
Line 3086 roff_userdef(ROFF_ARGS) |
|
* taking escaping of quotes into account. |
* taking escaping of quotes into account. |
*/ |
*/ |
|
|
asz = 0; |
asz = ie > ib ? ie - ib : 0; /* for blanks */ |
for (ap = arg[i]; *ap != '\0'; ap++) { |
for (i = ib; i <= ie; i++) { |
asz++; |
for (ap = arg[i]; *ap != '\0'; ap++) { |
if (*ap == '"') |
asz++; |
asz += 3; |
if (*ap == '"') |
|
asz += 3; |
|
} |
} |
} |
if (asz != 3) { |
if (asz != 3) { |
|
|
Line 2808 roff_userdef(ROFF_ARGS) |
|
Line 3133 roff_userdef(ROFF_ARGS) |
|
/* Copy the expanded argument, escaping quotes. */ |
/* Copy the expanded argument, escaping quotes. */ |
|
|
n2 = cp; |
n2 = cp; |
for (ap = arg[i]; *ap != '\0'; ap++) { |
for (i = ib; i <= ie; i++) { |
if (*ap == '"') { |
for (ap = arg[i]; *ap != '\0'; ap++) { |
memcpy(n2, "\\(dq", 4); |
if (*ap == '"') { |
n2 += 4; |
memcpy(n2, "\\(dq", 4); |
} else |
n2 += 4; |
*n2++ = *ap; |
} else |
|
*n2++ = *ap; |
|
} |
|
if (i < ie) |
|
*n2++ = ' '; |
} |
} |
} |
} |
|
|
Line 2826 roff_userdef(ROFF_ARGS) |
|
Line 3155 roff_userdef(ROFF_ARGS) |
|
buf->buf = n1; |
buf->buf = n1; |
*offs = 0; |
*offs = 0; |
|
|
return(buf->sz > 1 && buf->buf[buf->sz - 2] == '\n' ? |
return buf->sz > 1 && buf->buf[buf->sz - 2] == '\n' ? |
ROFF_REPARSE : ROFF_APPEND); |
ROFF_REPARSE : ROFF_APPEND; |
} |
} |
|
|
static size_t |
static size_t |
Line 2838 roff_getname(struct roff *r, char **cpp, int ln, int p |
|
Line 3167 roff_getname(struct roff *r, char **cpp, int ln, int p |
|
|
|
name = *cpp; |
name = *cpp; |
if ('\0' == *name) |
if ('\0' == *name) |
return(0); |
return 0; |
|
|
/* Read until end of name and terminate it with NUL. */ |
/* Read until end of name and terminate it with NUL. */ |
for (cp = name; 1; cp++) { |
for (cp = name; 1; cp++) { |
Line 2865 roff_getname(struct roff *r, char **cpp, int ln, int p |
|
Line 3194 roff_getname(struct roff *r, char **cpp, int ln, int p |
|
cp++; |
cp++; |
|
|
*cpp = cp; |
*cpp = cp; |
return(namesz); |
return namesz; |
} |
} |
|
|
/* |
/* |
Line 2965 roff_getstrn(const struct roff *r, const char *name, s |
|
Line 3294 roff_getstrn(const struct roff *r, const char *name, s |
|
for (n = r->strtab; n; n = n->next) |
for (n = r->strtab; n; n = n->next) |
if (0 == strncmp(name, n->key.p, len) && |
if (0 == strncmp(name, n->key.p, len) && |
'\0' == n->key.p[(int)len]) |
'\0' == n->key.p[(int)len]) |
return(n->val.p); |
return n->val.p; |
|
|
for (i = 0; i < PREDEFS_MAX; i++) |
for (i = 0; i < PREDEFS_MAX; i++) |
if (0 == strncmp(name, predefs[i].name, len) && |
if (0 == strncmp(name, predefs[i].name, len) && |
'\0' == predefs[i].name[(int)len]) |
'\0' == predefs[i].name[(int)len]) |
return(predefs[i].str); |
return predefs[i].str; |
|
|
return(NULL); |
return NULL; |
} |
} |
|
|
static void |
static void |
Line 2988 roff_freestr(struct roffkv *r) |
|
Line 3317 roff_freestr(struct roffkv *r) |
|
} |
} |
} |
} |
|
|
|
/* --- accessors and utility functions ------------------------------------ */ |
|
|
const struct tbl_span * |
const struct tbl_span * |
roff_span(const struct roff *r) |
roff_span(const struct roff *r) |
{ |
{ |
|
|
return(r->tbl ? tbl_span(r->tbl) : NULL); |
return r->tbl ? tbl_span(r->tbl) : NULL; |
} |
} |
|
|
const struct eqn * |
const struct eqn * |
roff_eqn(const struct roff *r) |
roff_eqn(const struct roff *r) |
{ |
{ |
|
|
return(r->last_eqn ? &r->last_eqn->eqn : NULL); |
return r->last_eqn ? &r->last_eqn->eqn : NULL; |
} |
} |
|
|
/* |
/* |
Line 3017 roff_strdup(const struct roff *r, const char *p) |
|
Line 3348 roff_strdup(const struct roff *r, const char *p) |
|
enum mandoc_esc esc; |
enum mandoc_esc esc; |
|
|
if (NULL == r->xmbtab && NULL == r->xtab) |
if (NULL == r->xmbtab && NULL == r->xtab) |
return(mandoc_strdup(p)); |
return mandoc_strdup(p); |
else if ('\0' == *p) |
else if ('\0' == *p) |
return(mandoc_strdup("")); |
return mandoc_strdup(""); |
|
|
/* |
/* |
* Step through each character looking for term matches |
* Step through each character looking for term matches |
Line 3091 roff_strdup(const struct roff *r, const char *p) |
|
Line 3422 roff_strdup(const struct roff *r, const char *p) |
|
} |
} |
|
|
res[(int)ssz] = '\0'; |
res[(int)ssz] = '\0'; |
return(res); |
return res; |
} |
} |
|
|
int |
int |
roff_getformat(const struct roff *r) |
roff_getformat(const struct roff *r) |
{ |
{ |
|
|
return(r->format); |
return r->format; |
} |
} |
|
|
/* |
/* |
Line 3121 roff_getcontrol(const struct roff *r, const char *cp, |
|
Line 3452 roff_getcontrol(const struct roff *r, const char *cp, |
|
if (0 != r->control && cp[pos] == r->control) |
if (0 != r->control && cp[pos] == r->control) |
pos++; |
pos++; |
else if (0 != r->control) |
else if (0 != r->control) |
return(0); |
return 0; |
else if ('\\' == cp[pos] && '.' == cp[pos + 1]) |
else if ('\\' == cp[pos] && '.' == cp[pos + 1]) |
pos += 2; |
pos += 2; |
else if ('.' == cp[pos] || '\'' == cp[pos]) |
else if ('.' == cp[pos] || '\'' == cp[pos]) |
pos++; |
pos++; |
else |
else |
return(0); |
return 0; |
|
|
while (' ' == cp[pos] || '\t' == cp[pos]) |
while (' ' == cp[pos] || '\t' == cp[pos]) |
pos++; |
pos++; |
|
|
*ppos = pos; |
*ppos = pos; |
return(1); |
return 1; |
} |
} |