version 1.89, 2010/06/26 15:22:19 |
version 1.93, 2010/07/04 22:04:04 |
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/* $Id$ */ |
/* $Id$ */ |
/* |
/* |
* Copyright (c) 2010 Kristaps Dzonsons <kristaps@bsd.lv> |
* Copyright (c) 2010 Kristaps Dzonsons <kristaps@bsd.lv> |
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* Copyright (c) 2010 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 |
* purpose with or without fee is hereby granted, provided that the above |
* purpose with or without fee is hereby granted, provided that the above |
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void *data; /* privdata for messages */ |
void *data; /* privdata for messages */ |
enum roffrule rstack[RSTACK_MAX]; /* stack of !`ie' rules */ |
enum roffrule rstack[RSTACK_MAX]; /* stack of !`ie' rules */ |
int rstackpos; /* position in rstack */ |
int rstackpos; /* position in rstack */ |
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struct regset *regs; /* read/writable registers */ |
}; |
}; |
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struct roffnode { |
struct roffnode { |
Line 87 struct roffnode { |
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Line 89 struct roffnode { |
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}; |
}; |
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#define ROFF_ARGS struct roff *r, /* parse ctx */ \ |
#define ROFF_ARGS struct roff *r, /* parse ctx */ \ |
struct regset *regs, /* registers */ \ |
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enum rofft tok, /* tok of macro */ \ |
enum rofft tok, /* tok of macro */ \ |
char **bufp, /* input buffer */ \ |
char **bufp, /* input buffer */ \ |
size_t *szp, /* size of input buffer */ \ |
size_t *szp, /* size of input buffer */ \ |
Line 108 struct roffmac { |
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Line 109 struct roffmac { |
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struct roffmac *next; |
struct roffmac *next; |
}; |
}; |
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struct roffstr { |
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char *name; |
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char *string; |
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struct roffstr *next; |
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} *first_string; |
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static enum rofferr roff_block(ROFF_ARGS); |
static enum rofferr roff_block(ROFF_ARGS); |
static enum rofferr roff_block_text(ROFF_ARGS); |
static enum rofferr roff_block_text(ROFF_ARGS); |
static enum rofferr roff_block_sub(ROFF_ARGS); |
static enum rofferr roff_block_sub(ROFF_ARGS); |
Line 116 static enum rofferr roff_ccond(ROFF_ARGS); |
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Line 123 static enum rofferr roff_ccond(ROFF_ARGS); |
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static enum rofferr roff_cond(ROFF_ARGS); |
static enum rofferr roff_cond(ROFF_ARGS); |
static enum rofferr roff_cond_text(ROFF_ARGS); |
static enum rofferr roff_cond_text(ROFF_ARGS); |
static enum rofferr roff_cond_sub(ROFF_ARGS); |
static enum rofferr roff_cond_sub(ROFF_ARGS); |
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static enum rofferr roff_ds(ROFF_ARGS); |
static enum rofferr roff_line(ROFF_ARGS); |
static enum rofferr roff_line(ROFF_ARGS); |
static enum rofferr roff_nr(ROFF_ARGS); |
static enum rofferr roff_nr(ROFF_ARGS); |
static enum roffrule roff_evalcond(const char *, int *); |
static enum roffrule roff_evalcond(const char *, int *); |
Line 135 static struct roffmac roffs[ROFF_MAX] = { |
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Line 143 static struct roffmac roffs[ROFF_MAX] = { |
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{ "de", roff_block, roff_block_text, roff_block_sub, 0, NULL }, |
{ "de", roff_block, roff_block_text, roff_block_sub, 0, NULL }, |
{ "dei", roff_block, roff_block_text, roff_block_sub, 0, NULL }, |
{ "dei", roff_block, roff_block_text, roff_block_sub, 0, NULL }, |
{ "de1", roff_block, roff_block_text, roff_block_sub, 0, NULL }, |
{ "de1", roff_block, roff_block_text, roff_block_sub, 0, NULL }, |
{ "ds", roff_line, NULL, NULL, 0, NULL }, |
{ "ds", roff_ds, NULL, NULL, 0, NULL }, |
{ "el", roff_cond, roff_cond_text, roff_cond_sub, ROFFMAC_STRUCT, NULL }, |
{ "el", roff_cond, roff_cond_text, roff_cond_sub, ROFFMAC_STRUCT, NULL }, |
{ "ie", roff_cond, roff_cond_text, roff_cond_sub, ROFFMAC_STRUCT, NULL }, |
{ "ie", roff_cond, roff_cond_text, roff_cond_sub, ROFFMAC_STRUCT, NULL }, |
{ "if", roff_cond, roff_cond_text, roff_cond_sub, ROFFMAC_STRUCT, NULL }, |
{ "if", roff_cond, roff_cond_text, roff_cond_sub, ROFFMAC_STRUCT, NULL }, |
Line 155 static int roffnode_push(struct roff *, |
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Line 163 static int roffnode_push(struct roff *, |
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enum rofft, int, int); |
enum rofft, int, int); |
static void roffnode_pop(struct roff *); |
static void roffnode_pop(struct roff *); |
static enum rofft roff_parse(const char *, int *); |
static enum rofft roff_parse(const char *, int *); |
static int roff_parse_nat(const char *, int *); |
static int roff_parse_nat(const char *, unsigned int *); |
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/* See roff_hash_find() */ |
/* See roff_hash_find() */ |
#define ROFF_HASH(p) (p[0] - ASCII_LO) |
#define ROFF_HASH(p) (p[0] - ASCII_LO) |
Line 268 roff_free1(struct roff *r) |
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Line 276 roff_free1(struct roff *r) |
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while (r->last) |
while (r->last) |
roffnode_pop(r); |
roffnode_pop(r); |
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roff_freestr(); |
} |
} |
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Line 289 roff_free(struct roff *r) |
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Line 298 roff_free(struct roff *r) |
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struct roff * |
struct roff * |
roff_alloc(const mandocmsg msg, void *data) |
roff_alloc(struct regset *regs, const mandocmsg msg, void *data) |
{ |
{ |
struct roff *r; |
struct roff *r; |
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Line 298 roff_alloc(const mandocmsg msg, void *data) |
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Line 307 roff_alloc(const mandocmsg msg, void *data) |
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return(0); |
return(0); |
} |
} |
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r->regs = regs; |
r->msg = msg; |
r->msg = msg; |
r->data = data; |
r->data = data; |
r->rstackpos = -1; |
r->rstackpos = -1; |
Line 308 roff_alloc(const mandocmsg msg, void *data) |
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Line 318 roff_alloc(const mandocmsg msg, void *data) |
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enum rofferr |
enum rofferr |
roff_parseln(struct roff *r, struct regset *regs, int ln, |
roff_parseln(struct roff *r, int ln, char **bufp, |
char **bufp, size_t *szp, int pos, int *offs) |
size_t *szp, int pos, int *offs) |
{ |
{ |
enum rofft t; |
enum rofft t; |
int ppos; |
int ppos; |
Line 326 roff_parseln(struct roff *r, struct regset *regs, int |
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Line 336 roff_parseln(struct roff *r, struct regset *regs, int |
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ROFF_DEBUG("roff: intercept scoped text: %s, [%s]\n", |
ROFF_DEBUG("roff: intercept scoped text: %s, [%s]\n", |
roffs[t].name, &(*bufp)[pos]); |
roffs[t].name, &(*bufp)[pos]); |
return((*roffs[t].text) |
return((*roffs[t].text) |
(r, regs, t, bufp, |
(r, t, bufp, szp, |
szp, ln, pos, pos, offs)); |
ln, pos, pos, offs)); |
} else if ( ! ROFF_CTL((*bufp)[pos])) { |
} else if ( ! ROFF_CTL((*bufp)[pos])) { |
ROFF_DEBUG("roff: pass non-scoped text: [%s]\n", |
ROFF_DEBUG("roff: pass non-scoped text: [%s]\n", |
&(*bufp)[pos]); |
&(*bufp)[pos]); |
Line 345 roff_parseln(struct roff *r, struct regset *regs, int |
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Line 355 roff_parseln(struct roff *r, struct regset *regs, int |
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ROFF_DEBUG("roff: intercept scoped context: %s\n", |
ROFF_DEBUG("roff: intercept scoped context: %s\n", |
roffs[t].name); |
roffs[t].name); |
return((*roffs[t].sub) |
return((*roffs[t].sub) |
(r, regs, t, bufp, |
(r, t, bufp, szp, |
szp, ln, pos, pos, offs)); |
ln, pos, pos, offs)); |
} |
} |
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/* |
/* |
Line 366 roff_parseln(struct roff *r, struct regset *regs, int |
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Line 376 roff_parseln(struct roff *r, struct regset *regs, int |
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roffs[t].name, &(*bufp)[pos]); |
roffs[t].name, &(*bufp)[pos]); |
assert(roffs[t].proc); |
assert(roffs[t].proc); |
return((*roffs[t].proc) |
return((*roffs[t].proc) |
(r, regs, t, bufp, |
(r, t, bufp, szp, |
szp, ln, ppos, pos, offs)); |
ln, ppos, pos, offs)); |
} |
} |
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Line 424 roff_parse(const char *buf, int *pos) |
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Line 434 roff_parse(const char *buf, int *pos) |
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static int |
static int |
roff_parse_nat(const char *buf, int *res) |
roff_parse_nat(const char *buf, unsigned int *res) |
{ |
{ |
char *ep; |
char *ep; |
long lval; |
long lval; |
Line 435 roff_parse_nat(const char *buf, int *res) |
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Line 445 roff_parse_nat(const char *buf, int *res) |
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return(0); |
return(0); |
if ((errno == ERANGE && |
if ((errno == ERANGE && |
(lval == LONG_MAX || lval == LONG_MIN)) || |
(lval == LONG_MAX || lval == LONG_MIN)) || |
(lval > INT_MAX || lval <= 0)) |
(lval > INT_MAX || lval < 0)) |
return(0); |
return(0); |
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*res = (int)lval; |
*res = (unsigned int)lval; |
return(1); |
return(1); |
} |
} |
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Line 653 roff_block_sub(ROFF_ARGS) |
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Line 663 roff_block_sub(ROFF_ARGS) |
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return(ROFF_IGN); |
return(ROFF_IGN); |
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assert(roffs[t].proc); |
assert(roffs[t].proc); |
return((*roffs[t].proc)(r, regs, t, bufp, |
return((*roffs[t].proc)(r, t, bufp, szp, |
szp, ln, ppos, pos, offs)); |
ln, ppos, pos, offs)); |
} |
} |
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Line 703 roff_cond_sub(ROFF_ARGS) |
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Line 713 roff_cond_sub(ROFF_ARGS) |
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return(ROFF_IGN); |
return(ROFF_IGN); |
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assert(roffs[t].proc); |
assert(roffs[t].proc); |
return((*roffs[t].proc) |
return((*roffs[t].proc)(r, t, bufp, szp, |
(r, regs, t, bufp, szp, ln, ppos, pos, offs)); |
ln, ppos, pos, offs)); |
} |
} |
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Line 878 roff_cond(ROFF_ARGS) |
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Line 888 roff_cond(ROFF_ARGS) |
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/* ARGSUSED */ |
/* ARGSUSED */ |
static enum rofferr |
static enum rofferr |
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roff_ds(ROFF_ARGS) |
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{ |
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char *name, *string, *end; |
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name = *bufp + pos; |
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if ('\0' == *name) |
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return(ROFF_IGN); |
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string = name; |
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while (*string && ' ' != *string) |
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string++; |
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if (*string) |
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*(string++) = NULL; |
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if (*string && '"' == *string) |
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string++; |
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while (*string && ' ' == *string) |
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string++; |
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end = string; |
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while (*end) |
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end++; |
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if (string < end) { |
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end--; |
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if (*end == '"') |
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*end = '\0'; |
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} |
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roff_setstr(name, string); |
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return(ROFF_IGN); |
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} |
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/* ARGSUSED */ |
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static enum rofferr |
roff_nr(ROFF_ARGS) |
roff_nr(ROFF_ARGS) |
{ |
{ |
const char *key, *val; |
const char *key, *val; |
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struct reg *rg; |
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key = &(*bufp)[pos]; |
key = &(*bufp)[pos]; |
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rg = r->regs->regs; |
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/* Parse register request. */ |
/* Parse register request. */ |
while ((*bufp)[pos] && ' ' != (*bufp)[pos]) |
while ((*bufp)[pos] && ' ' != (*bufp)[pos]) |
Line 904 roff_nr(ROFF_ARGS) |
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Line 949 roff_nr(ROFF_ARGS) |
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/* Process register token. */ |
/* Process register token. */ |
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if (0 == strcmp(key, "nS")) { |
if (0 == strcmp(key, "nS")) { |
if ( ! roff_parse_nat(val, ®s->regs[(int)REG_nS].i)) |
rg[(int)REG_nS].set = 1; |
regs->regs[(int)REG_nS].i = 0; |
if ( ! roff_parse_nat(val, &rg[(int)REG_nS].v.u)) |
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rg[(int)REG_nS].v.u = 0; |
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ROFF_DEBUG("roff: register nS: %d\n", |
ROFF_DEBUG("roff: register nS: %u\n", |
regs->regs[(int)REG_nS].i); |
rg[(int)REG_nS].v.u); |
} else |
} else |
ROFF_DEBUG("roff: ignoring register: %s\n", key); |
ROFF_DEBUG("roff: ignoring register: %s\n", key); |
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return(ROFF_IGN); |
return(ROFF_IGN); |
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} |
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char * |
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roff_setstr(const char *name, const char *string) |
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{ |
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struct roffstr *n; |
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char *namecopy; |
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n = first_string; |
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while (n && strcmp(name, n->name)) |
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n = n->next; |
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if (n) { |
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free(n->string); |
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} else { |
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if (NULL == (namecopy = strdup(name))) |
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return(NULL); |
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if (NULL == (n = malloc(sizeof(struct roffstr)))) { |
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free(n); |
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return(NULL); |
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} |
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n->name = namecopy; |
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n->next = first_string; |
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first_string = n; |
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} |
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if (string) |
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n->string = strdup(string); |
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else |
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n->string = NULL; |
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return(n->string); |
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} |
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char * |
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roff_getstr(const char *name) |
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{ |
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struct roffstr *n; |
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n = first_string; |
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while (n && strcmp(name, n->name)) |
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n = n->next; |
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if (n) |
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return(n->string); |
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else |
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return(NULL); |
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} |
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char * |
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roff_getstrn(const char *name, size_t len) |
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{ |
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struct roffstr *n; |
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n = first_string; |
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while (n && (strncmp(name, n->name, len) || '\0' != n->name[len])) |
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n = n->next; |
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if (n) |
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return(n->string); |
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else |
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return(NULL); |
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} |
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void |
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roff_freestr(void) |
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{ |
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struct roffstr *n, *nn; |
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for (n = first_string; n; n = nn) { |
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free(n->name); |
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free(n->string); |
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nn = n->next; |
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free(n); |
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} |
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first_string = NULL; |
} |
} |