version 1.218, 2014/07/06 19:09:00 |
version 1.229, 2014/11/19 03:08:17 |
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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. |
*/ |
*/ |
#ifdef HAVE_CONFIG_H |
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#include "config.h" |
#include "config.h" |
#endif |
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#include <sys/types.h> |
#include <sys/types.h> |
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Line 93 static struct mdoc_node *node_alloc(struct mdoc *, int |
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Line 91 static struct mdoc_node *node_alloc(struct mdoc *, int |
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enum mdoct, 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 *); |
#if 0 |
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static int mdoc_preptext(struct mdoc *, int, char *, int); |
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#endif |
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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); |
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Line 104 const struct mdoc_node * |
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Line 99 const struct mdoc_node * |
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mdoc_node(const struct mdoc *mdoc) |
mdoc_node(const struct mdoc *mdoc) |
{ |
{ |
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assert( ! (MDOC_HALT & mdoc->flags)); |
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return(mdoc->first); |
return(mdoc->first); |
} |
} |
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Line 112 const struct mdoc_meta * |
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Line 106 const struct mdoc_meta * |
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mdoc_meta(const struct mdoc *mdoc) |
mdoc_meta(const struct mdoc *mdoc) |
{ |
{ |
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assert( ! (MDOC_HALT & mdoc->flags)); |
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return(&mdoc->meta); |
return(&mdoc->meta); |
} |
} |
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Line 125 mdoc_free1(struct mdoc *mdoc) |
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Line 118 mdoc_free1(struct mdoc *mdoc) |
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if (mdoc->first) |
if (mdoc->first) |
mdoc_node_delete(mdoc, mdoc->first); |
mdoc_node_delete(mdoc, mdoc->first); |
if (mdoc->meta.title) |
free(mdoc->meta.msec); |
free(mdoc->meta.title); |
free(mdoc->meta.vol); |
if (mdoc->meta.os) |
free(mdoc->meta.arch); |
free(mdoc->meta.os); |
free(mdoc->meta.date); |
if (mdoc->meta.name) |
free(mdoc->meta.title); |
free(mdoc->meta.name); |
free(mdoc->meta.os); |
if (mdoc->meta.arch) |
free(mdoc->meta.name); |
free(mdoc->meta.arch); |
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if (mdoc->meta.vol) |
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free(mdoc->meta.vol); |
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if (mdoc->meta.msec) |
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free(mdoc->meta.msec); |
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if (mdoc->meta.date) |
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free(mdoc->meta.date); |
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} |
} |
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/* |
/* |
Line 189 mdoc_free(struct mdoc *mdoc) |
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Line 175 mdoc_free(struct mdoc *mdoc) |
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*/ |
*/ |
struct mdoc * |
struct mdoc * |
mdoc_alloc(struct roff *roff, struct mparse *parse, |
mdoc_alloc(struct roff *roff, struct mparse *parse, |
char *defos, int quick) |
const char *defos, int quick) |
{ |
{ |
struct mdoc *p; |
struct mdoc *p; |
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Line 205 mdoc_alloc(struct roff *roff, struct mparse *parse, |
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Line 191 mdoc_alloc(struct roff *roff, struct mparse *parse, |
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return(p); |
return(p); |
} |
} |
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/* |
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* Climb back up the parse tree, validating open scopes. Mostly calls |
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* through to macro_end() in macro.c. |
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*/ |
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int |
int |
mdoc_endparse(struct mdoc *mdoc) |
mdoc_endparse(struct mdoc *mdoc) |
{ |
{ |
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assert( ! (MDOC_HALT & mdoc->flags)); |
return(mdoc_macroend(mdoc)); |
if (mdoc_macroend(mdoc)) |
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return(1); |
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mdoc->flags |= MDOC_HALT; |
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return(0); |
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} |
} |
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int |
int |
Line 225 mdoc_addeqn(struct mdoc *mdoc, const struct eqn *ep) |
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Line 203 mdoc_addeqn(struct mdoc *mdoc, const struct eqn *ep) |
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{ |
{ |
struct mdoc_node *n; |
struct mdoc_node *n; |
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assert( ! (MDOC_HALT & mdoc->flags)); |
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/* No text before an initial macro. */ |
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if (SEC_NONE == mdoc->lastnamed) { |
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mdoc_pmsg(mdoc, ep->ln, ep->pos, MANDOCERR_NOTEXT); |
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return(1); |
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} |
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n = node_alloc(mdoc, ep->ln, ep->pos, MDOC_MAX, MDOC_EQN); |
n = node_alloc(mdoc, ep->ln, ep->pos, MDOC_MAX, MDOC_EQN); |
n->eqn = ep; |
n->eqn = ep; |
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if (ep->ln > mdoc->last->line) |
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n->flags |= MDOC_LINE; |
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if ( ! node_append(mdoc, n)) |
if ( ! node_append(mdoc, n)) |
return(0); |
return(0); |
Line 249 mdoc_addspan(struct mdoc *mdoc, const struct tbl_span |
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Line 220 mdoc_addspan(struct mdoc *mdoc, const struct tbl_span |
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{ |
{ |
struct mdoc_node *n; |
struct mdoc_node *n; |
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assert( ! (MDOC_HALT & mdoc->flags)); |
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/* No text before an initial macro. */ |
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if (SEC_NONE == mdoc->lastnamed) { |
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mdoc_pmsg(mdoc, sp->line, 0, MANDOCERR_NOTEXT); |
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return(1); |
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} |
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n = node_alloc(mdoc, sp->line, 0, MDOC_MAX, MDOC_TBL); |
n = node_alloc(mdoc, sp->line, 0, MDOC_MAX, MDOC_TBL); |
n->span = sp; |
n->span = sp; |
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mdoc_parseln(struct mdoc *mdoc, int ln, char *buf, int offs) |
mdoc_parseln(struct mdoc *mdoc, int ln, char *buf, int offs) |
{ |
{ |
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assert( ! (MDOC_HALT & mdoc->flags)); |
if (mdoc->last->type != MDOC_EQN || ln > mdoc->last->line) |
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mdoc->flags |= MDOC_NEWLINE; |
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mdoc->flags |= MDOC_NEWLINE; |
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/* |
/* |
* Let the roff nS register switch SYNOPSIS mode early, |
* Let the roff nS register switch SYNOPSIS mode early, |
* such that the parser knows at all times |
* such that the parser knows at all times |
Line 301 mdoc_macro(MACRO_PROT_ARGS) |
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Line 262 mdoc_macro(MACRO_PROT_ARGS) |
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{ |
{ |
assert(tok < MDOC_MAX); |
assert(tok < MDOC_MAX); |
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/* If we're in the body, deny prologue calls. */ |
if (mdoc->flags & MDOC_PBODY) { |
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if (tok == MDOC_Dt) { |
if (MDOC_PROLOGUE & mdoc_macros[tok].flags && |
mandoc_vmsg(MANDOCERR_DT_LATE, |
MDOC_PBODY & mdoc->flags) { |
mdoc->parse, line, ppos, |
mandoc_vmsg(MANDOCERR_PROLOG_ONLY, mdoc->parse, |
"Dt %s", buf + *pos); |
line, ppos, "%s", mdoc_macronames[tok]); |
return(1); |
return(1); |
} |
} |
} else if ( ! (mdoc_macros[tok].flags & MDOC_PROLOGUE)) { |
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if (mdoc->meta.title == NULL) { |
/* If we're in the prologue, deny "body" macros. */ |
mandoc_vmsg(MANDOCERR_DT_NOTITLE, |
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mdoc->parse, line, ppos, "%s %s", |
if ( ! (MDOC_PROLOGUE & mdoc_macros[tok].flags) && |
mdoc_macronames[tok], buf + *pos); |
! (MDOC_PBODY & mdoc->flags)) { |
mdoc->meta.title = mandoc_strdup("UNTITLED"); |
mandoc_vmsg(MANDOCERR_PROLOG_BAD, mdoc->parse, |
} |
line, ppos, "%s", mdoc_macronames[tok]); |
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if (NULL == mdoc->meta.msec) |
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mdoc->meta.msec = mandoc_strdup("1"); |
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if (NULL == mdoc->meta.title) |
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mdoc->meta.title = mandoc_strdup("UNKNOWN"); |
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if (NULL == mdoc->meta.vol) |
if (NULL == mdoc->meta.vol) |
mdoc->meta.vol = mandoc_strdup("LOCAL"); |
mdoc->meta.vol = mandoc_strdup("LOCAL"); |
if (NULL == mdoc->meta.os) |
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mdoc->meta.os = mandoc_strdup("LOCAL"); |
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if (NULL == mdoc->meta.date) |
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mdoc->meta.date = mandoc_normdate |
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(mdoc->parse, NULL, line, ppos); |
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mdoc->flags |= MDOC_PBODY; |
mdoc->flags |= MDOC_PBODY; |
} |
} |
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Line 658 mdoc_node_relink(struct mdoc *mdoc, struct mdoc_node * |
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Line 609 mdoc_node_relink(struct mdoc *mdoc, struct mdoc_node * |
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return(node_append(mdoc, p)); |
return(node_append(mdoc, p)); |
} |
} |
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#if 0 |
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/* |
/* |
* Pre-treat a text line. |
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* Text lines can consist of equations, which must be handled apart from |
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* the regular text. |
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* Thus, use this function to step through a line checking if it has any |
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* equations embedded in it. |
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* This must handle multiple equations AND equations that do not end at |
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* the end-of-line, i.e., will re-enter in the next roff parse. |
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*/ |
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static int |
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mdoc_preptext(struct mdoc *mdoc, int line, char *buf, int offs) |
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{ |
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char *start, *end; |
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char delim; |
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while ('\0' != buf[offs]) { |
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/* Mark starting position if eqn is set. */ |
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start = NULL; |
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if ('\0' != (delim = roff_eqndelim(mdoc->roff))) |
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if (NULL != (start = strchr(buf + offs, delim))) |
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*start++ = '\0'; |
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/* Parse text as normal. */ |
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if ( ! mdoc_ptext(mdoc, line, buf, offs)) |
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return(0); |
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/* Continue only if an equation exists. */ |
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if (NULL == start) |
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break; |
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/* Read past the end of the equation. */ |
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offs += start - (buf + offs); |
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assert(start == &buf[offs]); |
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if (NULL != (end = strchr(buf + offs, delim))) { |
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*end++ = '\0'; |
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while (' ' == *end) |
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end++; |
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} |
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/* Parse the equation itself. */ |
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roff_openeqn(mdoc->roff, NULL, line, offs, buf); |
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/* Process a finished equation? */ |
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if (roff_closeeqn(mdoc->roff)) |
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if ( ! mdoc_addeqn(mdoc, roff_eqn(mdoc->roff))) |
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return(0); |
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offs += (end - (buf + offs)); |
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} |
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return(1); |
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} |
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#endif |
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/* |
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* Parse free-form text, that is, a line that does not begin with the |
* Parse free-form text, that is, a line that does not begin with the |
* control character. |
* control character. |
*/ |
*/ |
Line 722 mdoc_ptext(struct mdoc *mdoc, int line, char *buf, int |
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Line 619 mdoc_ptext(struct mdoc *mdoc, int line, char *buf, int |
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char *c, *ws, *end; |
char *c, *ws, *end; |
struct mdoc_node *n; |
struct mdoc_node *n; |
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/* No text before an initial macro. */ |
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if (SEC_NONE == mdoc->lastnamed) { |
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mdoc_pmsg(mdoc, line, offs, MANDOCERR_NOTEXT); |
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return(1); |
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} |
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assert(mdoc->last); |
assert(mdoc->last); |
n = mdoc->last; |
n = mdoc->last; |
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Line 844 mdoc_ptext(struct mdoc *mdoc, int line, char *buf, int |
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Line 734 mdoc_ptext(struct mdoc *mdoc, int line, char *buf, int |
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static int |
static int |
mdoc_pmacro(struct mdoc *mdoc, int ln, char *buf, int offs) |
mdoc_pmacro(struct mdoc *mdoc, int ln, char *buf, int offs) |
{ |
{ |
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struct mdoc_node *n; |
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const char *cp; |
enum mdoct tok; |
enum mdoct tok; |
int i, sv; |
int i, sv; |
char mac[5]; |
char mac[5]; |
struct mdoc_node *n; |
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/* Empty post-control lines are ignored. */ |
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if ('"' == buf[offs]) { |
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mandoc_msg(MANDOCERR_COMMENT_BAD, mdoc->parse, |
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ln, offs, NULL); |
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return(1); |
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} else if ('\0' == buf[offs]) |
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return(1); |
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sv = offs; |
sv = offs; |
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/* |
/* |
* Copy the first word into a nil-terminated buffer. |
* Copy the first word into a nil-terminated buffer. |
* Stop copying when a tab, space, or eoln is encountered. |
* Stop when a space, tab, escape, or eoln is encountered. |
*/ |
*/ |
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i = 0; |
i = 0; |
while (i < 4 && '\0' != buf[offs] && ' ' != buf[offs] && |
while (i < 4 && strchr(" \t\\", buf[offs]) == NULL) |
'\t' != buf[offs]) |
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mac[i++] = buf[offs++]; |
mac[i++] = buf[offs++]; |
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mac[i] = '\0'; |
mac[i] = '\0'; |
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tok = (i > 1 && i < 4) ? mdoc_hash_find(mac) : MDOC_MAX; |
tok = (i > 1 && i < 4) ? mdoc_hash_find(mac) : MDOC_MAX; |
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if (MDOC_MAX == tok) { |
if (tok == MDOC_MAX) { |
mandoc_vmsg(MANDOCERR_MACRO, mdoc->parse, |
mandoc_msg(MANDOCERR_MACRO, mdoc->parse, |
ln, sv, "%s", buf + sv - 1); |
ln, sv, buf + sv - 1); |
return(1); |
return(1); |
} |
} |
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/* Disregard the first trailing tab, if applicable. */ |
/* Skip a leading escape sequence or tab. */ |
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if ('\t' == buf[offs]) |
switch (buf[offs]) { |
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case '\\': |
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cp = buf + offs + 1; |
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mandoc_escape(&cp, NULL, NULL); |
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offs = cp - buf; |
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break; |
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case '\t': |
offs++; |
offs++; |
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break; |
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default: |
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break; |
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} |
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/* Jump to the next non-whitespace word. */ |
/* Jump to the next non-whitespace word. */ |
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Line 904 mdoc_pmacro(struct mdoc *mdoc, int ln, char *buf, int |
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Line 795 mdoc_pmacro(struct mdoc *mdoc, int ln, char *buf, int |
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* into macro processing. |
* into macro processing. |
*/ |
*/ |
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if (NULL == mdoc->last || MDOC_It == tok || MDOC_El == tok) { |
if (NULL == mdoc->last || MDOC_It == tok || MDOC_El == tok) |
if ( ! mdoc_macro(mdoc, tok, ln, sv, &offs, buf)) |
return(mdoc_macro(mdoc, tok, ln, sv, &offs, buf)); |
goto err; |
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return(1); |
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} |
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n = mdoc->last; |
n = mdoc->last; |
assert(mdoc->last); |
assert(mdoc->last); |
Line 921 mdoc_pmacro(struct mdoc *mdoc, int ln, char *buf, int |
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Line 809 mdoc_pmacro(struct mdoc *mdoc, int ln, char *buf, int |
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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->norm->Bl.type) { |
LIST_column == n->norm->Bl.type) { |
mdoc->flags |= MDOC_FREECOL; |
mdoc->flags |= MDOC_FREECOL; |
if ( ! mdoc_macro(mdoc, MDOC_It, ln, sv, &sv, buf)) |
return(mdoc_macro(mdoc, MDOC_It, ln, sv, &sv, buf)); |
goto err; |
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return(1); |
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} |
} |
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/* |
/* |
Line 937 mdoc_pmacro(struct mdoc *mdoc, int ln, char *buf, int |
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Line 823 mdoc_pmacro(struct mdoc *mdoc, int ln, char *buf, int |
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MDOC_Bl == n->parent->tok && |
MDOC_Bl == n->parent->tok && |
LIST_column == n->parent->norm->Bl.type) { |
LIST_column == n->parent->norm->Bl.type) { |
mdoc->flags |= MDOC_FREECOL; |
mdoc->flags |= MDOC_FREECOL; |
if ( ! mdoc_macro(mdoc, MDOC_It, ln, sv, &sv, buf)) |
return(mdoc_macro(mdoc, MDOC_It, ln, sv, &sv, buf)); |
goto err; |
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return(1); |
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} |
} |
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/* Normal processing of a macro. */ |
/* Normal processing of a macro. */ |
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if ( ! mdoc_macro(mdoc, tok, ln, sv, &offs, buf)) |
if ( ! mdoc_macro(mdoc, tok, ln, sv, &offs, buf)) |
goto err; |
return(0); |
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/* In quick mode (for mandocdb), abort after the NAME section. */ |
/* In quick mode (for mandocdb), abort after the NAME section. */ |
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Line 954 mdoc_pmacro(struct mdoc *mdoc, int ln, char *buf, int |
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Line 838 mdoc_pmacro(struct mdoc *mdoc, int ln, char *buf, int |
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return(2); |
return(2); |
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return(1); |
return(1); |
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err: /* Error out. */ |
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mdoc->flags |= MDOC_HALT; |
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return(0); |
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} |
} |
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enum mdelim |
enum mdelim |