version 1.99, 2009/08/13 11:43:24 |
version 1.130, 2010/05/13 06:22:11 |
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
*/ |
*/ |
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#ifdef HAVE_CONFIG_H |
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#include "config.h" |
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#endif |
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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 <stdarg.h> |
#include <stdarg.h> |
#include <stdio.h> |
#include <stdio.h> |
#include <stdlib.h> |
#include <stdlib.h> |
#include <string.h> |
#include <string.h> |
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#include <time.h> |
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#include "libmdoc.h" |
#include "libmdoc.h" |
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#include "libmandoc.h" |
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const char *const __mdoc_merrnames[MERRMAX] = { |
const char *const __mdoc_merrnames[MERRMAX] = { |
"trailing whitespace", /* ETAILWS */ |
"trailing whitespace", /* ETAILWS */ |
"unexpected quoted parameter", /* EQUOTPARM */ |
"unexpected quoted parameter", /* EQUOTPARM */ |
"unterminated quoted parameter", /* EQUOTTERM */ |
"unterminated quoted parameter", /* EQUOTTERM */ |
"system: malloc error", /* EMALLOC */ |
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"argument parameter suggested", /* EARGVAL */ |
"argument parameter suggested", /* EARGVAL */ |
"macro disallowed in prologue", /* EBODYPROL */ |
"macro disallowed in prologue", /* EBODYPROL */ |
"macro disallowed in body", /* EPROLBODY */ |
"macro disallowed in body", /* EPROLBODY */ |
Line 74 const char *const __mdoc_merrnames[MERRMAX] = { |
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Line 81 const char *const __mdoc_merrnames[MERRMAX] = { |
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"unclosed explicit scope", /* EOPEN */ |
"unclosed explicit scope", /* EOPEN */ |
"unterminated quoted phrase", /* EQUOTPHR */ |
"unterminated quoted phrase", /* EQUOTPHR */ |
"closure macro without prior context", /* ENOCTX */ |
"closure macro without prior context", /* ENOCTX */ |
"invalid whitespace after control character", /* ESPACE */ |
"no description found for library", /* ELIB */ |
"no description found for library" /* ELIB */ |
"bad child for parent context", /* EBADCHILD */ |
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"list arguments preceding type", /* ENOTYPE */ |
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"deprecated comment style", /* EBADCOMMENT */ |
}; |
}; |
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const char *const __mdoc_macronames[MDOC_MAX] = { |
const char *const __mdoc_macronames[MDOC_MAX] = { |
Line 90 const char *const __mdoc_macronames[MDOC_MAX] = { |
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Line 99 const char *const __mdoc_macronames[MDOC_MAX] = { |
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"Nm", "Op", "Ot", "Pa", |
"Nm", "Op", "Ot", "Pa", |
"Rv", "St", "Va", "Vt", |
"Rv", "St", "Va", "Vt", |
/* LINTED */ |
/* LINTED */ |
"Xr", "\%A", "\%B", "\%D", |
"Xr", "%A", "%B", "%D", |
/* LINTED */ |
/* LINTED */ |
"\%I", "\%J", "\%N", "\%O", |
"%I", "%J", "%N", "%O", |
/* LINTED */ |
/* LINTED */ |
"\%P", "\%R", "\%T", "\%V", |
"%P", "%R", "%T", "%V", |
"Ac", "Ao", "Aq", "At", |
"Ac", "Ao", "Aq", "At", |
"Bc", "Bf", "Bo", "Bq", |
"Bc", "Bf", "Bo", "Bq", |
"Bsx", "Bx", "Db", "Dc", |
"Bsx", "Bx", "Db", "Dc", |
Line 111 const char *const __mdoc_macronames[MDOC_MAX] = { |
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Line 120 const char *const __mdoc_macronames[MDOC_MAX] = { |
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"Fr", "Ud", "Lb", "Lp", |
"Fr", "Ud", "Lb", "Lp", |
"Lk", "Mt", "Brq", "Bro", |
"Lk", "Mt", "Brq", "Bro", |
/* LINTED */ |
/* LINTED */ |
"Brc", "\%C", "Es", "En", |
"Brc", "%C", "Es", "En", |
/* LINTED */ |
/* LINTED */ |
"Dx", "\%Q", "br", "sp" |
"Dx", "%Q", "br", "sp", |
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/* LINTED */ |
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"%U" |
}; |
}; |
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const char *const __mdoc_argnames[MDOC_ARG_MAX] = { |
const char *const __mdoc_argnames[MDOC_ARG_MAX] = { |
Line 125 const char *const __mdoc_argnames[MDOC_ARG_MAX] = { |
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Line 136 const char *const __mdoc_argnames[MDOC_ARG_MAX] = { |
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"ohang", "inset", "column", |
"ohang", "inset", "column", |
"width", "compact", "std", |
"width", "compact", "std", |
"filled", "words", "emphasis", |
"filled", "words", "emphasis", |
"symbolic", "nested" |
"symbolic", "nested", "centered" |
}; |
}; |
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const char * const *mdoc_macronames = __mdoc_macronames; |
const char * const *mdoc_macronames = __mdoc_macronames; |
const char * const *mdoc_argnames = __mdoc_argnames; |
const char * const *mdoc_argnames = __mdoc_argnames; |
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static void mdoc_node_free(struct mdoc_node *); |
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static void mdoc_node_unlink(struct mdoc *, |
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struct mdoc_node *); |
static void mdoc_free1(struct mdoc *); |
static void mdoc_free1(struct mdoc *); |
static int mdoc_alloc1(struct mdoc *); |
static void mdoc_alloc1(struct mdoc *); |
static struct mdoc_node *node_alloc(struct mdoc *, int, int, |
static struct mdoc_node *node_alloc(struct mdoc *, int, int, |
int, enum mdoc_type); |
enum mdoct, enum mdoc_type); |
static int node_append(struct mdoc *, |
static int node_append(struct mdoc *, |
struct mdoc_node *); |
struct mdoc_node *); |
static int parsetext(struct mdoc *, int, char *); |
static int mdoc_ptext(struct mdoc *, int, char *); |
static int parsemacro(struct mdoc *, int, char *); |
static int mdoc_pmacro(struct mdoc *, int, char *); |
static int macrowarn(struct mdoc *, int, const char *); |
static int macrowarn(struct mdoc *, int, const char *); |
static int pstring(struct mdoc *, int, int, |
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const char *, size_t); |
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#ifdef __linux__ |
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extern size_t strlcpy(char *, const char *, size_t); |
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#endif |
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const struct mdoc_node * |
const struct mdoc_node * |
mdoc_node(const struct mdoc *m) |
mdoc_node(const struct mdoc *m) |
{ |
{ |
Line 172 mdoc_free1(struct mdoc *mdoc) |
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Line 180 mdoc_free1(struct mdoc *mdoc) |
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{ |
{ |
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if (mdoc->first) |
if (mdoc->first) |
mdoc_node_freelist(mdoc->first); |
mdoc_node_delete(mdoc, mdoc->first); |
if (mdoc->meta.title) |
if (mdoc->meta.title) |
free(mdoc->meta.title); |
free(mdoc->meta.title); |
if (mdoc->meta.os) |
if (mdoc->meta.os) |
Line 189 mdoc_free1(struct mdoc *mdoc) |
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Line 197 mdoc_free1(struct mdoc *mdoc) |
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/* |
/* |
* Allocate all volatile resources (parse tree, meta-data, fields). |
* Allocate all volatile resources (parse tree, meta-data, fields). |
*/ |
*/ |
static int |
static void |
mdoc_alloc1(struct mdoc *mdoc) |
mdoc_alloc1(struct mdoc *mdoc) |
{ |
{ |
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bzero(&mdoc->meta, sizeof(struct mdoc_meta)); |
memset(&mdoc->meta, 0, sizeof(struct mdoc_meta)); |
mdoc->flags = 0; |
mdoc->flags = 0; |
mdoc->lastnamed = mdoc->lastsec = SEC_NONE; |
mdoc->lastnamed = mdoc->lastsec = SEC_NONE; |
mdoc->last = calloc(1, sizeof(struct mdoc_node)); |
mdoc->last = mandoc_calloc(1, sizeof(struct mdoc_node)); |
if (NULL == mdoc->last) |
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return(0); |
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mdoc->first = mdoc->last; |
mdoc->first = mdoc->last; |
mdoc->last->type = MDOC_ROOT; |
mdoc->last->type = MDOC_ROOT; |
mdoc->next = MDOC_NEXT_CHILD; |
mdoc->next = MDOC_NEXT_CHILD; |
return(1); |
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} |
} |
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Line 213 mdoc_alloc1(struct mdoc *mdoc) |
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Line 217 mdoc_alloc1(struct mdoc *mdoc) |
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* and the parser is ready for re-invocation on a new tree; however, |
* and the parser is ready for re-invocation on a new tree; however, |
* cross-parse non-volatile data is kept intact. |
* cross-parse non-volatile data is kept intact. |
*/ |
*/ |
int |
void |
mdoc_reset(struct mdoc *mdoc) |
mdoc_reset(struct mdoc *mdoc) |
{ |
{ |
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mdoc_free1(mdoc); |
mdoc_free1(mdoc); |
return(mdoc_alloc1(mdoc)); |
mdoc_alloc1(mdoc); |
} |
} |
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Line 231 mdoc_free(struct mdoc *mdoc) |
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Line 235 mdoc_free(struct mdoc *mdoc) |
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{ |
{ |
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mdoc_free1(mdoc); |
mdoc_free1(mdoc); |
if (mdoc->htab) |
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mdoc_hash_free(mdoc->htab); |
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free(mdoc); |
free(mdoc); |
} |
} |
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Line 245 mdoc_alloc(void *data, int pflags, const struct mdoc_c |
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Line 247 mdoc_alloc(void *data, int pflags, const struct mdoc_c |
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{ |
{ |
struct mdoc *p; |
struct mdoc *p; |
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if (NULL == (p = calloc(1, sizeof(struct mdoc)))) |
p = mandoc_calloc(1, sizeof(struct mdoc)); |
return(NULL); |
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if (cb) |
if (cb) |
(void)memcpy(&p->cb, cb, sizeof(struct mdoc_cb)); |
memcpy(&p->cb, cb, sizeof(struct mdoc_cb)); |
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p->data = data; |
p->data = data; |
p->pflags = pflags; |
p->pflags = pflags; |
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if (NULL == (p->htab = mdoc_hash_alloc())) { |
mdoc_hash_init(); |
free(p); |
mdoc_alloc1(p); |
return(NULL); |
return(p); |
} else if (mdoc_alloc1(p)) |
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return(p); |
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free(p); |
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return(NULL); |
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} |
} |
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Line 283 mdoc_endparse(struct mdoc *m) |
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Line 280 mdoc_endparse(struct mdoc *m) |
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/* |
/* |
* Main parse routine. Parses a single line -- really just hands off to |
* Main parse routine. Parses a single line -- really just hands off to |
* the macro (parsemacro()) or text parser (parsetext()). |
* the macro (mdoc_pmacro()) or text parser (mdoc_ptext()). |
*/ |
*/ |
int |
int |
mdoc_parseln(struct mdoc *m, int ln, char *buf) |
mdoc_parseln(struct mdoc *m, int ln, char *buf) |
Line 292 mdoc_parseln(struct mdoc *m, int ln, char *buf) |
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Line 289 mdoc_parseln(struct mdoc *m, int ln, char *buf) |
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if (MDOC_HALT & m->flags) |
if (MDOC_HALT & m->flags) |
return(0); |
return(0); |
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return('.' == *buf ? parsemacro(m, ln, buf) : |
m->flags |= MDOC_NEWLINE; |
parsetext(m, ln, buf)); |
return('.' == *buf ? |
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mdoc_pmacro(m, ln, buf) : |
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mdoc_ptext(m, ln, buf)); |
} |
} |
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Line 348 mdoc_err(struct mdoc *m, int line, int pos, int iserr, |
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Line 347 mdoc_err(struct mdoc *m, int line, int pos, int iserr, |
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int |
int |
mdoc_macro(struct mdoc *m, int tok, |
mdoc_macro(struct mdoc *m, enum mdoct tok, |
int ln, int pp, int *pos, char *buf) |
int ln, int pp, int *pos, char *buf) |
{ |
{ |
/* |
assert(tok < MDOC_MAX); |
* If we're in the prologue, deny "body" macros. Similarly, if |
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* we're in the body, deny prologue calls. |
/* If we're in the body, deny prologue calls. */ |
*/ |
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if (MDOC_PROLOGUE & mdoc_macros[tok].flags && |
if (MDOC_PROLOGUE & mdoc_macros[tok].flags && |
MDOC_PBODY & m->flags) |
MDOC_PBODY & m->flags) |
return(mdoc_perr(m, ln, pp, EPROLBODY)); |
return(mdoc_perr(m, ln, pp, EPROLBODY)); |
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/* If we're in the prologue, deny "body" macros. */ |
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if ( ! (MDOC_PROLOGUE & mdoc_macros[tok].flags) && |
if ( ! (MDOC_PROLOGUE & mdoc_macros[tok].flags) && |
! (MDOC_PBODY & m->flags)) |
! (MDOC_PBODY & m->flags)) { |
return(mdoc_perr(m, ln, pp, EBODYPROL)); |
if ( ! mdoc_pwarn(m, ln, pp, EBODYPROL)) |
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return(0); |
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if (NULL == m->meta.title) |
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m->meta.title = mandoc_strdup("unknown"); |
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if (NULL == m->meta.vol) |
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m->meta.vol = mandoc_strdup("local"); |
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if (NULL == m->meta.os) |
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m->meta.os = mandoc_strdup("local"); |
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if (0 == m->meta.date) |
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m->meta.date = time(NULL); |
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m->flags |= MDOC_PBODY; |
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} |
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return((*mdoc_macros[tok].fp)(m, tok, ln, pp, pos, buf)); |
return((*mdoc_macros[tok].fp)(m, tok, ln, pp, pos, buf)); |
} |
} |
Line 431 node_append(struct mdoc *mdoc, struct mdoc_node *p) |
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Line 444 node_append(struct mdoc *mdoc, struct mdoc_node *p) |
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static struct mdoc_node * |
static struct mdoc_node * |
node_alloc(struct mdoc *m, int line, |
node_alloc(struct mdoc *m, int line, int pos, |
int pos, int tok, enum mdoc_type type) |
enum mdoct tok, enum mdoc_type type) |
{ |
{ |
struct mdoc_node *p; |
struct mdoc_node *p; |
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if (NULL == (p = calloc(1, sizeof(struct mdoc_node)))) { |
p = mandoc_calloc(1, sizeof(struct mdoc_node)); |
(void)mdoc_nerr(m, m->last, EMALLOC); |
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return(NULL); |
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} |
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p->sec = m->lastsec; |
p->sec = m->lastsec; |
p->line = line; |
p->line = line; |
p->pos = pos; |
p->pos = pos; |
p->tok = tok; |
p->tok = tok; |
if (MDOC_TEXT != (p->type = type)) |
p->type = type; |
assert(p->tok >= 0); |
if (MDOC_NEWLINE & m->flags) |
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p->flags |= MDOC_LINE; |
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m->flags &= ~MDOC_NEWLINE; |
return(p); |
return(p); |
} |
} |
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int |
int |
mdoc_tail_alloc(struct mdoc *m, int line, int pos, int tok) |
mdoc_tail_alloc(struct mdoc *m, int line, int pos, enum mdoct tok) |
{ |
{ |
struct mdoc_node *p; |
struct mdoc_node *p; |
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p = node_alloc(m, line, pos, tok, MDOC_TAIL); |
p = node_alloc(m, line, pos, tok, MDOC_TAIL); |
if (NULL == p) |
if ( ! node_append(m, p)) |
return(0); |
return(0); |
return(node_append(m, p)); |
m->next = MDOC_NEXT_CHILD; |
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return(1); |
} |
} |
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int |
int |
mdoc_head_alloc(struct mdoc *m, int line, int pos, int tok) |
mdoc_head_alloc(struct mdoc *m, int line, int pos, enum mdoct tok) |
{ |
{ |
struct mdoc_node *p; |
struct mdoc_node *p; |
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Line 473 mdoc_head_alloc(struct mdoc *m, int line, int pos, int |
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Line 484 mdoc_head_alloc(struct mdoc *m, int line, int pos, int |
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assert(m->last); |
assert(m->last); |
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p = node_alloc(m, line, pos, tok, MDOC_HEAD); |
p = node_alloc(m, line, pos, tok, MDOC_HEAD); |
if (NULL == p) |
if ( ! node_append(m, p)) |
return(0); |
return(0); |
return(node_append(m, p)); |
m->next = MDOC_NEXT_CHILD; |
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return(1); |
} |
} |
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int |
int |
mdoc_body_alloc(struct mdoc *m, int line, int pos, int tok) |
mdoc_body_alloc(struct mdoc *m, int line, int pos, enum mdoct tok) |
{ |
{ |
struct mdoc_node *p; |
struct mdoc_node *p; |
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p = node_alloc(m, line, pos, tok, MDOC_BODY); |
p = node_alloc(m, line, pos, tok, MDOC_BODY); |
if (NULL == p) |
if ( ! node_append(m, p)) |
return(0); |
return(0); |
return(node_append(m, p)); |
m->next = MDOC_NEXT_CHILD; |
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return(1); |
} |
} |
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int |
int |
mdoc_block_alloc(struct mdoc *m, int line, int pos, |
mdoc_block_alloc(struct mdoc *m, int line, int pos, |
int tok, struct mdoc_arg *args) |
enum mdoct tok, struct mdoc_arg *args) |
{ |
{ |
struct mdoc_node *p; |
struct mdoc_node *p; |
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p = node_alloc(m, line, pos, tok, MDOC_BLOCK); |
p = node_alloc(m, line, pos, tok, MDOC_BLOCK); |
if (NULL == p) |
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return(0); |
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p->args = args; |
p->args = args; |
if (p->args) |
if (p->args) |
(args->refcnt)++; |
(args->refcnt)++; |
return(node_append(m, p)); |
if ( ! node_append(m, p)) |
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return(0); |
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m->next = MDOC_NEXT_CHILD; |
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return(1); |
} |
} |
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int |
int |
mdoc_elem_alloc(struct mdoc *m, int line, int pos, |
mdoc_elem_alloc(struct mdoc *m, int line, int pos, |
int tok, struct mdoc_arg *args) |
enum mdoct tok, struct mdoc_arg *args) |
{ |
{ |
struct mdoc_node *p; |
struct mdoc_node *p; |
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p = node_alloc(m, line, pos, tok, MDOC_ELEM); |
p = node_alloc(m, line, pos, tok, MDOC_ELEM); |
if (NULL == p) |
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return(0); |
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p->args = args; |
p->args = args; |
if (p->args) |
if (p->args) |
(args->refcnt)++; |
(args->refcnt)++; |
return(node_append(m, p)); |
if ( ! node_append(m, p)) |
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return(0); |
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m->next = MDOC_NEXT_CHILD; |
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return(1); |
} |
} |
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static int |
int |
pstring(struct mdoc *m, int line, int pos, const char *p, size_t len) |
mdoc_word_alloc(struct mdoc *m, int line, int pos, const char *p) |
{ |
{ |
struct mdoc_node *n; |
struct mdoc_node *n; |
size_t sv; |
size_t sv, len; |
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n = node_alloc(m, line, pos, -1, MDOC_TEXT); |
len = strlen(p); |
if (NULL == n) |
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return(mdoc_nerr(m, m->last, EMALLOC)); |
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n->string = malloc(len + 1); |
n = node_alloc(m, line, pos, MDOC_MAX, MDOC_TEXT); |
if (NULL == n->string) { |
n->string = mandoc_malloc(len + 1); |
free(n); |
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return(mdoc_nerr(m, m->last, EMALLOC)); |
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} |
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sv = strlcpy(n->string, p, len + 1); |
sv = strlcpy(n->string, p, len + 1); |
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/* Prohibit truncation. */ |
/* Prohibit truncation. */ |
assert(sv < len + 1); |
assert(sv < len + 1); |
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return(node_append(m, n)); |
if ( ! node_append(m, n)) |
} |
return(0); |
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m->next = MDOC_NEXT_SIBLING; |
int |
return(1); |
mdoc_word_alloc(struct mdoc *m, int line, int pos, const char *p) |
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{ |
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return(pstring(m, line, pos, p, strlen(p))); |
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} |
} |
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mdoc_node_free(struct mdoc_node *p) |
mdoc_node_free(struct mdoc_node *p) |
{ |
{ |
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if (p->parent) |
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p->parent->nchild--; |
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if (p->string) |
if (p->string) |
free(p->string); |
free(p->string); |
if (p->args) |
if (p->args) |
Line 570 mdoc_node_free(struct mdoc_node *p) |
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Line 573 mdoc_node_free(struct mdoc_node *p) |
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} |
} |
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void |
static void |
mdoc_node_freelist(struct mdoc_node *p) |
mdoc_node_unlink(struct mdoc *m, struct mdoc_node *n) |
{ |
{ |
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if (p->child) |
/* Adjust siblings. */ |
mdoc_node_freelist(p->child); |
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if (p->next) |
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mdoc_node_freelist(p->next); |
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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) { |
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n->parent->nchild--; |
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if (n->parent->child == n) |
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n->parent->child = n->prev ? n->prev : n->next; |
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} |
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/* Adjust parse point, if applicable. */ |
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if (m && m->last == n) { |
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if (n->prev) { |
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m->last = n->prev; |
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m->next = MDOC_NEXT_SIBLING; |
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} else { |
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m->last = n->parent; |
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m->next = MDOC_NEXT_CHILD; |
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} |
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} |
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if (m && m->first == n) |
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m->first = NULL; |
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} |
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void |
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mdoc_node_delete(struct mdoc *m, struct mdoc_node *p) |
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{ |
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while (p->child) { |
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assert(p->nchild); |
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mdoc_node_delete(m, p->child); |
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} |
assert(0 == p->nchild); |
assert(0 == p->nchild); |
|
|
|
mdoc_node_unlink(m, p); |
mdoc_node_free(p); |
mdoc_node_free(p); |
} |
} |
|
|
Line 589 mdoc_node_freelist(struct mdoc_node *p) |
|
Line 629 mdoc_node_freelist(struct mdoc_node *p) |
|
* control character. |
* control character. |
*/ |
*/ |
static int |
static int |
parsetext(struct mdoc *m, int line, char *buf) |
mdoc_ptext(struct mdoc *m, int line, char *buf) |
{ |
{ |
int i, j; |
int i; |
|
|
|
/* Ignore bogus comments. */ |
|
|
|
if ('\\' == buf[0] && '.' == buf[1] && '\"' == buf[2]) |
|
return(mdoc_pwarn(m, line, 0, EBADCOMMENT)); |
|
|
|
/* No text before an initial macro. */ |
|
|
if (SEC_NONE == m->lastnamed) |
if (SEC_NONE == m->lastnamed) |
return(mdoc_perr(m, line, 0, ETEXTPROL)); |
return(mdoc_perr(m, line, 0, ETEXTPROL)); |
|
|
|
/* Literal just gets pulled in as-is. */ |
|
|
/* |
if (MDOC_LITERAL & m->flags) |
* If in literal mode, then pass the buffer directly to the |
return(mdoc_word_alloc(m, line, 0, buf)); |
* back-end, as it should be preserved as a single term. |
|
*/ |
|
|
|
if (MDOC_LITERAL & m->flags) { |
/* Check for a blank line, which may also consist of spaces. */ |
if ( ! mdoc_word_alloc(m, line, 0, buf)) |
|
|
for (i = 0; ' ' == buf[i]; i++) |
|
/* Skip to first non-space. */ ; |
|
|
|
if ('\0' == buf[i]) { |
|
if ( ! mdoc_pwarn(m, line, 0, ENOBLANK)) |
return(0); |
return(0); |
|
|
|
/* |
|
* Insert a `Pp' in the case of a blank line. Technically, |
|
* blank lines aren't allowed, but enough manuals assume this |
|
* behaviour that we want to work around it. |
|
*/ |
|
if ( ! mdoc_elem_alloc(m, line, 0, MDOC_Pp, NULL)) |
|
return(0); |
|
|
m->next = MDOC_NEXT_SIBLING; |
m->next = MDOC_NEXT_SIBLING; |
return(1); |
return(1); |
} |
} |
|
|
/* Disallow blank/white-space lines in non-literal mode. */ |
/* |
|
* Warn if the last un-escaped character is whitespace. Then |
for (i = 0; ' ' == buf[i]; i++) |
* strip away the remaining spaces (tabs stay!). |
/* Skip leading whitespace. */ ; |
|
if (0 == buf[i]) |
|
return(mdoc_perr(m, line, 0, ENOBLANK)); |
|
|
|
/* |
|
* Break apart a free-form line into tokens. Spaces are |
|
* stripped out of the input. |
|
*/ |
*/ |
|
|
for (j = i; buf[i]; i++) { |
i = (int)strlen(buf); |
if (' ' != buf[i]) |
assert(i); |
continue; |
|
|
|
/* Escaped whitespace. */ |
if (' ' == buf[i - 1] || '\t' == buf[i - 1]) { |
if (i && ' ' == buf[i] && '\\' == buf[i - 1]) |
if (i > 1 && '\\' != buf[i - 2]) |
continue; |
if ( ! mdoc_pwarn(m, line, i - 1, ETAILWS)) |
|
return(0); |
|
|
buf[i++] = 0; |
for (--i; i && ' ' == buf[i]; i--) |
if ( ! pstring(m, line, j, &buf[j], (size_t)(i - j))) |
/* Spin back to non-space. */ ; |
return(0); |
|
m->next = MDOC_NEXT_SIBLING; |
|
|
|
for ( ; ' ' == buf[i]; i++) |
/* Jump ahead of escaped whitespace. */ |
/* Skip trailing whitespace. */ ; |
i += '\\' == buf[i] ? 2 : 1; |
|
|
j = i; |
buf[i] = '\0'; |
if (0 == buf[i]) |
|
break; |
|
} |
} |
|
|
if (j != i && ! pstring(m, line, j, &buf[j], (size_t)(i - j))) |
/* Allocate the whole word. */ |
|
|
|
if ( ! mdoc_word_alloc(m, line, 0, buf)) |
return(0); |
return(0); |
|
|
m->next = MDOC_NEXT_SIBLING; |
/* |
return(1); |
* End-of-sentence check. If the last character is an unescaped |
} |
* EOS character, then flag the node as being the end of a |
|
* sentence. The front-end will know how to interpret this. |
|
*/ |
|
|
|
assert(i); |
|
|
|
if (mandoc_eos(buf, (size_t)i)) |
|
m->last->flags |= MDOC_EOS; |
|
|
|
return(1); |
|
} |
|
|
|
|
static int |
static int |
macrowarn(struct mdoc *m, int ln, const char *buf) |
macrowarn(struct mdoc *m, int ln, const char *buf) |
{ |
{ |
if ( ! (MDOC_IGN_MACRO & m->pflags)) |
if ( ! (MDOC_IGN_MACRO & m->pflags)) |
return(mdoc_verr(m, ln, 0, |
return(mdoc_verr(m, ln, 0, "unknown macro: %s%s", |
"unknown macro: %s%s", |
|
buf, strlen(buf) > 3 ? "..." : "")); |
buf, strlen(buf) > 3 ? "..." : "")); |
return(mdoc_vwarn(m, ln, 0, "unknown macro: %s%s", |
return(mdoc_vwarn(m, ln, 0, "unknown macro: %s%s", |
buf, strlen(buf) > 3 ? "..." : "")); |
buf, strlen(buf) > 3 ? "..." : "")); |
Line 668 macrowarn(struct mdoc *m, int ln, const char *buf) |
|
Line 727 macrowarn(struct mdoc *m, int ln, const char *buf) |
|
* character. |
* character. |
*/ |
*/ |
int |
int |
parsemacro(struct mdoc *m, int ln, char *buf) |
mdoc_pmacro(struct mdoc *m, int ln, char *buf) |
{ |
{ |
int i, c; |
enum mdoct tok; |
char mac[5]; |
int i, j, sv; |
|
char mac[5]; |
|
|
/* Empty lines are ignored. */ |
/* Empty lines are ignored. */ |
|
|
/* FIXME: this can accept `. xx' like libman! */ |
if ('\0' == buf[1]) |
|
|
if (0 == buf[1]) |
|
return(1); |
return(1); |
|
|
if (' ' == buf[1]) { |
i = 1; |
i = 2; |
|
|
/* Accept whitespace after the initial control char. */ |
|
|
|
if (' ' == buf[i]) { |
|
i++; |
while (buf[i] && ' ' == buf[i]) |
while (buf[i] && ' ' == buf[i]) |
i++; |
i++; |
if (0 == buf[i]) |
if ('\0' == buf[i]) |
return(1); |
return(1); |
return(mdoc_perr(m, ln, 1, ESPACE)); |
|
} |
} |
|
|
|
sv = i; |
|
|
/* Copy the first word into a nil-terminated buffer. */ |
/* Copy the first word into a nil-terminated buffer. */ |
|
|
for (i = 1; i < 5; i++) { |
for (j = 0; j < 4; j++, i++) { |
if (0 == (mac[i - 1] = buf[i])) |
if ('\0' == (mac[j] = buf[i])) |
break; |
break; |
else if (' ' == buf[i]) |
else if (' ' == buf[i]) |
break; |
break; |
|
|
|
/* Check for invalid characters. */ |
|
|
|
if (isgraph((u_char)buf[i])) |
|
continue; |
|
return(mdoc_perr(m, ln, i, EPRINT)); |
} |
} |
|
|
mac[i - 1] = 0; |
mac[j] = 0; |
|
|
if (i == 5 || i <= 2) { |
if (j == 4 || j < 2) { |
if ( ! macrowarn(m, ln, mac)) |
if ( ! macrowarn(m, ln, mac)) |
goto err; |
goto err; |
return(1); |
return(1); |
} |
} |
|
|
if (MDOC_MAX == (c = mdoc_hash_find(m->htab, mac))) { |
if (MDOC_MAX == (tok = mdoc_hash_find(mac))) { |
if ( ! macrowarn(m, ln, mac)) |
if ( ! macrowarn(m, ln, mac)) |
goto err; |
goto err; |
return(1); |
return(1); |
Line 718 parsemacro(struct mdoc *m, int ln, char *buf) |
|
Line 787 parsemacro(struct mdoc *m, int ln, char *buf) |
|
i++; |
i++; |
|
|
/* |
/* |
|
* Trailing whitespace. Note that tabs are allowed to be passed |
|
* into the parser as "text", so we only warn about spaces here. |
|
*/ |
|
|
|
if ('\0' == buf[i] && ' ' == buf[i - 1]) |
|
if ( ! mdoc_pwarn(m, ln, i - 1, ETAILWS)) |
|
goto err; |
|
|
|
/* |
* Begin recursive parse sequence. Since we're at the start of |
* Begin recursive parse sequence. Since we're at the start of |
* the line, we don't need to do callable/parseable checks. |
* the line, we don't need to do callable/parseable checks. |
*/ |
*/ |
if ( ! mdoc_macro(m, c, ln, 1, &i, buf)) |
if ( ! mdoc_macro(m, tok, ln, sv, &i, buf)) |
goto err; |
goto err; |
|
|
return(1); |
return(1); |
Line 731 err: /* Error out. */ |
|
Line 809 err: /* Error out. */ |
|
m->flags |= MDOC_HALT; |
m->flags |= MDOC_HALT; |
return(0); |
return(0); |
} |
} |
|
|
|
|