version 1.162, 2010/08/08 14:51:32 |
version 1.179, 2011/02/06 22:05:20 |
Line 98 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, |
static int mdoc_span_alloc(struct mdoc *, |
const char *, int); |
const struct tbl_span *); |
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const struct mdoc_node * |
const struct mdoc_node * |
mdoc_node(const struct mdoc *m) |
mdoc_node(const struct mdoc *m) |
{ |
{ |
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return(MDOC_HALT & m->flags ? NULL : m->first); |
assert( ! (MDOC_HALT & m->flags)); |
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return(m->first); |
} |
} |
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Line 114 const struct mdoc_meta * |
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Line 115 const struct mdoc_meta * |
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mdoc_meta(const struct mdoc *m) |
mdoc_meta(const struct mdoc *m) |
{ |
{ |
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return(MDOC_HALT & m->flags ? NULL : &m->meta); |
assert( ! (MDOC_HALT & m->flags)); |
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return(&m->meta); |
} |
} |
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Line 191 mdoc_free(struct mdoc *mdoc) |
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Line 193 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 200 mdoc_alloc(struct regset *regs, void *data, |
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Line 201 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(); |
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mdoc_endparse(struct mdoc *m) |
mdoc_endparse(struct mdoc *m) |
{ |
{ |
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if (MDOC_HALT & m->flags) |
assert( ! (MDOC_HALT & m->flags)); |
return(0); |
if (mdoc_macroend(m)) |
else if (mdoc_macroend(m)) |
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return(1); |
return(1); |
m->flags |= MDOC_HALT; |
m->flags |= MDOC_HALT; |
return(0); |
return(0); |
} |
} |
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int |
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mdoc_addspan(struct mdoc *m, const struct tbl_span *sp) |
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{ |
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assert( ! (MDOC_HALT & m->flags)); |
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/* No text before an initial macro. */ |
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if (SEC_NONE == m->lastnamed) { |
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mdoc_pmsg(m, sp->line, 0, MANDOCERR_NOTEXT); |
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return(1); |
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} |
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return(mdoc_span_alloc(m, sp)); |
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} |
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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 (mdoc_pmacro()) or text parser (mdoc_ptext()). |
* the macro (mdoc_pmacro()) or text parser (mdoc_ptext()). |
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mdoc_parseln(struct mdoc *m, int ln, char *buf, int offs) |
mdoc_parseln(struct mdoc *m, int ln, char *buf, int offs) |
{ |
{ |
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if (MDOC_HALT & m->flags) |
assert( ! (MDOC_HALT & m->flags)); |
return(0); |
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m->flags |= MDOC_NEWLINE; |
m->flags |= MDOC_NEWLINE; |
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Line 281 mdoc_macro(MACRO_PROT_ARGS) |
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Line 295 mdoc_macro(MACRO_PROT_ARGS) |
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/* If 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_pmsg(m, line, ppos, MANDOCERR_BADBODY)); |
mdoc_pmsg(m, line, ppos, MANDOCERR_BADBODY); |
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return(1); |
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} |
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/* If we're in the prologue, deny "body" macros. */ |
/* 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)) { |
if ( ! mdoc_pmsg(m, line, ppos, MANDOCERR_BADPROLOG)) |
mdoc_pmsg(m, line, ppos, MANDOCERR_BADPROLOG); |
return(0); |
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 330 node_append(struct mdoc *mdoc, struct mdoc_node *p) |
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Line 347 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 357 node_append(struct mdoc *mdoc, struct mdoc_node *p) |
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Line 389 node_append(struct mdoc *mdoc, struct mdoc_node *p) |
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mdoc->last = p; |
mdoc->last = p; |
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switch (p->type) { |
switch (p->type) { |
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case (MDOC_TBL): |
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/* FALLTHROUGH */ |
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 466 mdoc_block_alloc(struct mdoc *m, int line, int pos, |
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Line 498 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 483 mdoc_elem_alloc(struct mdoc *m, int line, int pos, |
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Line 530 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; |
return(1); |
return(1); |
} |
} |
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static int |
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mdoc_span_alloc(struct mdoc *m, const struct tbl_span *sp) |
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{ |
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struct mdoc_node *n; |
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n = node_alloc(m, sp->line, 0, MDOC_MAX, MDOC_TBL); |
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n->span = sp; |
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if ( ! node_append(m, n)) |
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return(0); |
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m->next = MDOC_NEXT_SIBLING; |
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return(1); |
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} |
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int |
int |
mdoc_word_alloc(struct mdoc *m, int line, int pos, const char *p) |
mdoc_word_alloc(struct mdoc *m, int line, int pos, const char *p) |
{ |
{ |
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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 558 mdoc_node_unlink(struct mdoc *m, struct mdoc_node *n) |
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Line 615 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 606 mdoc_ptext(struct mdoc *m, int line, char *buf, int of |
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Line 665 mdoc_ptext(struct mdoc *m, int line, char *buf, int of |
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if ('\\' == buf[offs] && |
if ('\\' == buf[offs] && |
'.' == buf[offs + 1] && |
'.' == buf[offs + 1] && |
'"' == buf[offs + 2]) |
'"' == buf[offs + 2]) { |
return(mdoc_pmsg(m, line, offs, MANDOCERR_BADCOMMENT)); |
mdoc_pmsg(m, line, offs, MANDOCERR_BADCOMMENT); |
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return(1); |
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} |
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/* No text before an initial macro. */ |
/* No text before an initial macro. */ |
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if (SEC_NONE == m->lastnamed) |
if (SEC_NONE == m->lastnamed) { |
return(mdoc_pmsg(m, line, offs, MANDOCERR_NOTEXT)); |
mdoc_pmsg(m, line, offs, MANDOCERR_NOTEXT); |
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return(1); |
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} |
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assert(m->last); |
assert(m->last); |
n = m->last; |
n = m->last; |
Line 625 mdoc_ptext(struct mdoc *m, int line, char *buf, int of |
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Line 688 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 634 mdoc_ptext(struct mdoc *m, int line, char *buf, int of |
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Line 697 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 687 mdoc_ptext(struct mdoc *m, int line, char *buf, int of |
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Line 750 mdoc_ptext(struct mdoc *m, int line, char *buf, int of |
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*end = '\0'; |
*end = '\0'; |
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if (ws) |
if (ws) |
if ( ! mdoc_pmsg(m, line, (int)(ws-buf), MANDOCERR_EOLNSPACE)) |
mdoc_pmsg(m, line, (int)(ws-buf), MANDOCERR_EOLNSPACE); |
return(0); |
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if ('\0' == buf[offs] && ! (MDOC_LITERAL & m->flags)) { |
if ('\0' == buf[offs] && ! (MDOC_LITERAL & m->flags)) { |
if ( ! mdoc_pmsg(m, line, (int)(c-buf), MANDOCERR_NOBLANKLN)) |
mdoc_pmsg(m, line, (int)(c-buf), MANDOCERR_NOBLANKLN); |
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 727 mdoc_ptext(struct mdoc *m, int line, char *buf, int of |
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Line 788 mdoc_ptext(struct mdoc *m, int line, char *buf, int of |
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} |
} |
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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 785 mdoc_pmacro(struct mdoc *m, int ln, char *buf, int off |
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Line 831 mdoc_pmacro(struct mdoc *m, int ln, char *buf, int off |
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mac[j++] = buf[i++]; |
mac[j++] = buf[i++]; |
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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/* Disregard the first trailing tab, if applicable. */ |
/* Disregard the first trailing tab, if applicable. */ |
Line 813 mdoc_pmacro(struct mdoc *m, int ln, char *buf, int off |
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Line 853 mdoc_pmacro(struct mdoc *m, int ln, char *buf, int off |
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*/ |
*/ |
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if ('\0' == buf[i] && ' ' == buf[i - 1]) |
if ('\0' == buf[i] && ' ' == buf[i - 1]) |
if ( ! mdoc_pmsg(m, ln, i - 1, MANDOCERR_EOLNSPACE)) |
mdoc_pmsg(m, ln, i - 1, MANDOCERR_EOLNSPACE); |
goto err; |
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/* |
/* |
* If an initial macro or a list invocation, divert directly |
* If an initial macro or a list invocation, divert directly |
Line 836 mdoc_pmacro(struct mdoc *m, int ln, char *buf, int off |
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Line 875 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 852 mdoc_pmacro(struct mdoc *m, int ln, char *buf, int off |
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Line 891 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; |