version 1.157, 2010/07/04 22:04:04 |
version 1.173, 2010/12/25 13:50:37 |
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#include <sys/types.h> |
#include <sys/types.h> |
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#include <assert.h> |
#include <assert.h> |
#include <ctype.h> |
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#include <stdarg.h> |
#include <stdarg.h> |
#include <stdio.h> |
#include <stdio.h> |
#include <stdlib.h> |
#include <stdlib.h> |
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#include <time.h> |
#include <time.h> |
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#include "mandoc.h" |
#include "mandoc.h" |
#include "regs.h" |
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#include "libmdoc.h" |
#include "libmdoc.h" |
#include "libmandoc.h" |
#include "libmandoc.h" |
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Line 100 static int node_append(struct mdoc *, |
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Line 98 static int node_append(struct mdoc *, |
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struct mdoc_node *); |
struct mdoc_node *); |
static int mdoc_ptext(struct mdoc *, int, char *, int); |
static int mdoc_ptext(struct mdoc *, int, char *, int); |
static int mdoc_pmacro(struct mdoc *, int, char *, int); |
static int mdoc_pmacro(struct mdoc *, int, char *, int); |
static int macrowarn(struct mdoc *, int, |
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const char *, int); |
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const struct mdoc_node * |
const struct mdoc_node * |
Line 193 mdoc_free(struct mdoc *mdoc) |
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Line 189 mdoc_free(struct mdoc *mdoc) |
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* Allocate volatile and non-volatile parse resources. |
* Allocate volatile and non-volatile parse resources. |
*/ |
*/ |
struct mdoc * |
struct mdoc * |
mdoc_alloc(struct regset *regs, void *data, |
mdoc_alloc(struct regset *regs, void *data, mandocmsg msg) |
int pflags, mandocmsg msg) |
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{ |
{ |
struct mdoc *p; |
struct mdoc *p; |
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Line 202 mdoc_alloc(struct regset *regs, void *data, |
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Line 197 mdoc_alloc(struct regset *regs, void *data, |
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p->msg = msg; |
p->msg = msg; |
p->data = data; |
p->data = data; |
p->pflags = pflags; |
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p->regs = regs; |
p->regs = regs; |
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mdoc_hash_init(); |
mdoc_hash_init(); |
Line 292 mdoc_macro(MACRO_PROT_ARGS) |
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Line 286 mdoc_macro(MACRO_PROT_ARGS) |
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! (MDOC_PBODY & m->flags)) { |
! (MDOC_PBODY & m->flags)) { |
if ( ! mdoc_pmsg(m, line, ppos, MANDOCERR_BADPROLOG)) |
if ( ! mdoc_pmsg(m, line, ppos, MANDOCERR_BADPROLOG)) |
return(0); |
return(0); |
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if (NULL == m->meta.msec) |
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m->meta.msec = mandoc_strdup("1"); |
if (NULL == m->meta.title) |
if (NULL == m->meta.title) |
m->meta.title = mandoc_strdup("UNKNOWN"); |
m->meta.title = mandoc_strdup("UNKNOWN"); |
if (NULL == m->meta.vol) |
if (NULL == m->meta.vol) |
Line 332 node_append(struct mdoc *mdoc, struct mdoc_node *p) |
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Line 328 node_append(struct mdoc *mdoc, struct mdoc_node *p) |
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p->parent->nchild++; |
p->parent->nchild++; |
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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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switch (p->type) { |
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case (MDOC_BODY): |
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/* FALLTHROUGH */ |
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case (MDOC_TAIL): |
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/* FALLTHROUGH */ |
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case (MDOC_HEAD): |
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p->norm = p->parent->norm; |
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break; |
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default: |
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break; |
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} |
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if ( ! mdoc_valid_pre(mdoc, p)) |
if ( ! mdoc_valid_pre(mdoc, p)) |
return(0); |
return(0); |
if ( ! mdoc_action_pre(mdoc, p)) |
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return(0); |
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switch (p->type) { |
switch (p->type) { |
case (MDOC_HEAD): |
case (MDOC_HEAD): |
Line 362 node_append(struct mdoc *mdoc, struct mdoc_node *p) |
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Line 373 node_append(struct mdoc *mdoc, struct mdoc_node *p) |
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case (MDOC_TEXT): |
case (MDOC_TEXT): |
if ( ! mdoc_valid_post(mdoc)) |
if ( ! mdoc_valid_post(mdoc)) |
return(0); |
return(0); |
if ( ! mdoc_action_post(mdoc)) |
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return(0); |
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break; |
break; |
default: |
default: |
break; |
break; |
Line 468 mdoc_block_alloc(struct mdoc *m, int line, int pos, |
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Line 477 mdoc_block_alloc(struct mdoc *m, int line, int pos, |
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p->args = args; |
p->args = args; |
if (p->args) |
if (p->args) |
(args->refcnt)++; |
(args->refcnt)++; |
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switch (tok) { |
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case (MDOC_Bd): |
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/* FALLTHROUGH */ |
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case (MDOC_Bf): |
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/* FALLTHROUGH */ |
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case (MDOC_Bl): |
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/* FALLTHROUGH */ |
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case (MDOC_Rs): |
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p->norm = mandoc_calloc(1, sizeof(union mdoc_data)); |
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break; |
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default: |
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break; |
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} |
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if ( ! node_append(m, p)) |
if ( ! node_append(m, p)) |
return(0); |
return(0); |
m->next = MDOC_NEXT_CHILD; |
m->next = MDOC_NEXT_CHILD; |
Line 485 mdoc_elem_alloc(struct mdoc *m, int line, int pos, |
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Line 509 mdoc_elem_alloc(struct mdoc *m, int line, int pos, |
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p->args = args; |
p->args = args; |
if (p->args) |
if (p->args) |
(args->refcnt)++; |
(args->refcnt)++; |
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switch (tok) { |
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case (MDOC_An): |
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p->norm = mandoc_calloc(1, sizeof(union mdoc_data)); |
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break; |
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default: |
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break; |
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} |
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if ( ! node_append(m, p)) |
if ( ! node_append(m, p)) |
return(0); |
return(0); |
m->next = MDOC_NEXT_CHILD; |
m->next = MDOC_NEXT_CHILD; |
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mdoc_node_free(struct mdoc_node *p) |
mdoc_node_free(struct mdoc_node *p) |
{ |
{ |
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/* |
if (MDOC_BLOCK == p->type || MDOC_ELEM == p->type) |
* XXX: if these end up being problematic in terms of memory |
free(p->norm); |
* management and dereferencing freed blocks, then make them |
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* into reference-counted double-pointers. |
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*/ |
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if (MDOC_Bd == p->tok && MDOC_BLOCK == p->type) |
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if (p->data.Bd) |
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free(p->data.Bd); |
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if (MDOC_Bl == p->tok && MDOC_BLOCK == p->type) |
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if (p->data.Bl) |
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free(p->data.Bl); |
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if (MDOC_Bf == p->tok && MDOC_HEAD == p->type) |
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if (p->data.Bf) |
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free(p->data.Bf); |
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if (p->string) |
if (p->string) |
free(p->string); |
free(p->string); |
if (p->args) |
if (p->args) |
Line 560 mdoc_node_unlink(struct mdoc *m, struct mdoc_node *n) |
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Line 579 mdoc_node_unlink(struct mdoc *m, struct mdoc_node *n) |
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n->parent->nchild--; |
n->parent->nchild--; |
if (n->parent->child == n) |
if (n->parent->child == n) |
n->parent->child = n->prev ? n->prev : n->next; |
n->parent->child = n->prev ? n->prev : n->next; |
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if (n->parent->last == n) |
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n->parent->last = n->prev ? n->prev : NULL; |
} |
} |
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/* Adjust parse point, if applicable. */ |
/* Adjust parse point, if applicable. */ |
Line 627 mdoc_ptext(struct mdoc *m, int line, char *buf, int of |
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Line 648 mdoc_ptext(struct mdoc *m, int line, char *buf, int of |
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*/ |
*/ |
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if (MDOC_Bl == n->tok && MDOC_BODY == n->type && |
if (MDOC_Bl == n->tok && MDOC_BODY == n->type && |
LIST_column == n->data.Bl->type) { |
LIST_column == n->norm->Bl.type) { |
/* `Bl' is open without any children. */ |
/* `Bl' is open without any children. */ |
m->flags |= MDOC_FREECOL; |
m->flags |= MDOC_FREECOL; |
return(mdoc_macro(m, MDOC_It, line, offs, &offs, buf)); |
return(mdoc_macro(m, MDOC_It, line, offs, &offs, buf)); |
Line 636 mdoc_ptext(struct mdoc *m, int line, char *buf, int of |
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Line 657 mdoc_ptext(struct mdoc *m, int line, char *buf, int of |
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if (MDOC_It == n->tok && MDOC_BLOCK == n->type && |
if (MDOC_It == n->tok && MDOC_BLOCK == n->type && |
NULL != n->parent && |
NULL != n->parent && |
MDOC_Bl == n->parent->tok && |
MDOC_Bl == n->parent->tok && |
LIST_column == n->parent->data.Bl->type) { |
LIST_column == n->parent->norm->Bl.type) { |
/* `Bl' has block-level `It' children. */ |
/* `Bl' has block-level `It' children. */ |
m->flags |= MDOC_FREECOL; |
m->flags |= MDOC_FREECOL; |
return(mdoc_macro(m, MDOC_It, line, offs, &offs, buf)); |
return(mdoc_macro(m, MDOC_It, line, offs, &offs, buf)); |
Line 697 mdoc_ptext(struct mdoc *m, int line, char *buf, int of |
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Line 718 mdoc_ptext(struct mdoc *m, int line, char *buf, int of |
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return(0); |
return(0); |
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/* |
/* |
* Insert a `Pp' in the case of a blank line. Technically, |
* Insert a `sp' in the case of a blank line. Technically, |
* blank lines aren't allowed, but enough manuals assume this |
* blank lines aren't allowed, but enough manuals assume this |
* behaviour that we want to work around it. |
* behaviour that we want to work around it. |
*/ |
*/ |
if ( ! mdoc_elem_alloc(m, line, offs, MDOC_Pp, NULL)) |
if ( ! mdoc_elem_alloc(m, line, offs, MDOC_sp, NULL)) |
return(0); |
return(0); |
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m->next = MDOC_NEXT_SIBLING; |
m->next = MDOC_NEXT_SIBLING; |
Line 722 mdoc_ptext(struct mdoc *m, int line, char *buf, int of |
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Line 743 mdoc_ptext(struct mdoc *m, int line, char *buf, int of |
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assert(buf < end); |
assert(buf < end); |
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if (mandoc_eos(buf+offs, (size_t)(end-buf-offs))) |
if (mandoc_eos(buf+offs, (size_t)(end-buf-offs), 0)) |
m->last->flags |= MDOC_EOS; |
m->last->flags |= MDOC_EOS; |
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return(1); |
return(1); |
} |
} |
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static int |
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macrowarn(struct mdoc *m, int ln, const char *buf, int offs) |
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{ |
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int rc; |
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rc = mdoc_vmsg(m, MANDOCERR_MACRO, ln, offs, |
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"unknown macro: %s%s", |
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buf, strlen(buf) > 3 ? "..." : ""); |
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/* FIXME: logic should be in driver. */ |
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/* FIXME: broken, will error out and not omit a message. */ |
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return(MDOC_IGN_MACRO & m->pflags ? rc : 0); |
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} |
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/* |
/* |
* Parse a macro line, that is, a line beginning with the control |
* Parse a macro line, that is, a line beginning with the control |
* character. |
* character. |
Line 765 mdoc_pmacro(struct mdoc *m, int ln, char *buf, int off |
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Line 771 mdoc_pmacro(struct mdoc *m, int ln, char *buf, int off |
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i = offs; |
i = offs; |
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/* Accept whitespace after the initial control char. */ |
/* Accept tabs/whitespace after the initial control char. */ |
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if (' ' == buf[i]) { |
if (' ' == buf[i] || '\t' == buf[i]) { |
i++; |
i++; |
while (buf[i] && ' ' == buf[i]) |
while (buf[i] && (' ' == buf[i] || '\t' == buf[i])) |
i++; |
i++; |
if ('\0' == buf[i]) |
if ('\0' == buf[i]) |
return(1); |
return(1); |
Line 777 mdoc_pmacro(struct mdoc *m, int ln, char *buf, int off |
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Line 783 mdoc_pmacro(struct mdoc *m, int ln, char *buf, int off |
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sv = i; |
sv = i; |
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/* Copy the first word into a nil-terminated buffer. */ |
/* |
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* Copy the first word into a nil-terminated buffer. |
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* Stop copying when a tab, space, or eoln is encountered. |
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*/ |
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for (j = 0; j < 4; j++, i++) { |
j = 0; |
if ('\0' == (mac[j] = buf[i])) |
while (j < 4 && '\0' != buf[i] && ' ' != buf[i] && '\t' != buf[i]) |
break; |
mac[j++] = buf[i++]; |
else if (' ' == buf[i]) |
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break; |
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/* Check for invalid characters. */ |
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if (isgraph((u_char)buf[i])) |
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continue; |
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if ( ! mdoc_pmsg(m, ln, i, MANDOCERR_BADCHAR)) |
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return(0); |
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i--; |
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} |
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mac[j] = '\0'; |
mac[j] = '\0'; |
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if (j == 4 || j < 2) { |
tok = (j > 1 || j < 4) ? mdoc_hash_find(mac) : MDOC_MAX; |
if ( ! macrowarn(m, ln, mac, sv)) |
if (MDOC_MAX == tok) { |
goto err; |
mdoc_vmsg(m, MANDOCERR_MACRO, ln, sv, "%s", buf + sv - 1); |
return(1); |
return(1); |
} |
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if (MDOC_MAX == (tok = mdoc_hash_find(mac))) { |
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if ( ! macrowarn(m, ln, mac, sv)) |
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goto err; |
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return(1); |
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} |
} |
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/* The macro is sane. Jump to the next word. */ |
/* Disregard the first trailing tab, if applicable. */ |
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if ('\t' == buf[i]) |
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i++; |
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/* Jump to the next non-whitespace word. */ |
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while (buf[i] && ' ' == buf[i]) |
while (buf[i] && ' ' == buf[i]) |
i++; |
i++; |
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Line 842 mdoc_pmacro(struct mdoc *m, int ln, char *buf, int off |
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Line 838 mdoc_pmacro(struct mdoc *m, int ln, char *buf, int off |
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*/ |
*/ |
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if (MDOC_Bl == n->tok && MDOC_BODY == n->type && |
if (MDOC_Bl == n->tok && MDOC_BODY == n->type && |
LIST_column == n->data.Bl->type) { |
LIST_column == n->norm->Bl.type) { |
m->flags |= MDOC_FREECOL; |
m->flags |= MDOC_FREECOL; |
if ( ! mdoc_macro(m, MDOC_It, ln, sv, &sv, buf)) |
if ( ! mdoc_macro(m, MDOC_It, ln, sv, &sv, buf)) |
goto err; |
goto err; |
Line 858 mdoc_pmacro(struct mdoc *m, int ln, char *buf, int off |
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Line 854 mdoc_pmacro(struct mdoc *m, int ln, char *buf, int off |
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if (MDOC_It == n->tok && MDOC_BLOCK == n->type && |
if (MDOC_It == n->tok && MDOC_BLOCK == n->type && |
NULL != n->parent && |
NULL != n->parent && |
MDOC_Bl == n->parent->tok && |
MDOC_Bl == n->parent->tok && |
LIST_column == n->parent->data.Bl->type) { |
LIST_column == n->parent->norm->Bl.type) { |
m->flags |= MDOC_FREECOL; |
m->flags |= MDOC_FREECOL; |
if ( ! mdoc_macro(m, MDOC_It, ln, sv, &sv, buf)) |
if ( ! mdoc_macro(m, MDOC_It, ln, sv, &sv, buf)) |
goto err; |
goto err; |