X-Git-Url: https://git.cameronkatri.com/mandoc.git/blobdiff_plain/c80b8c034f0e42db26a04a17527b0b7e3dc6512b..34111478132fd94d00d020f0fc5d1db62e12686a:/man.c

diff --git a/man.c b/man.c
index 0bdbf59c..593777ac 100644
--- a/man.c
+++ b/man.c
@@ -1,6 +1,6 @@
-/*	$Id: man.c,v 1.94 2011/01/01 12:59:17 kristaps Exp $ */
+/*	$Id: man.c,v 1.109 2011/07/21 10:24:35 kristaps Exp $ */
 /*
- * Copyright (c) 2008, 2009, 2010 Kristaps Dzonsons <kristaps@bsd.lv>
+ * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
  *
  * Permission to use, copy, modify, and distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
@@ -26,6 +26,7 @@
 #include <stdio.h>
 #include <string.h>
 
+#include "man.h"
 #include "mandoc.h"
 #include "libman.h"
 #include "libmandoc.h"
@@ -44,12 +45,10 @@ const	char *const __man_macronames[MAN_MAX] = {
 
 const	char * const *man_macronames = __man_macronames;
 
-static	struct man_node	*man_node_alloc(int, int, 
+static	struct man_node	*man_node_alloc(struct man *, int, int, 
 				enum man_type, enum mant);
 static	int		 man_node_append(struct man *, 
 				struct man_node *);
-static	int		 man_span_alloc(struct man *, 
-				const struct tbl_span *);
 static	void		 man_node_free(struct man_node *);
 static	void		 man_node_unlink(struct man *, 
 				struct man_node *);
@@ -64,7 +63,8 @@ const struct man_node *
 man_node(const struct man *m)
 {
 
-	return(MAN_HALT & m->flags ? NULL : m->first);
+	assert( ! (MAN_HALT & m->flags));
+	return(m->first);
 }
 
 
@@ -72,7 +72,8 @@ const struct man_meta *
 man_meta(const struct man *m)
 {
 
-	return(MAN_HALT & m->flags ? NULL : &m->meta);
+	assert( ! (MAN_HALT & m->flags));
+	return(&m->meta);
 }
 
 
@@ -95,16 +96,15 @@ man_free(struct man *man)
 
 
 struct man *
-man_alloc(struct regset *regs, void *data, mandocmsg msg)
+man_alloc(struct roff *roff, struct mparse *parse)
 {
 	struct man	*p;
 
 	p = mandoc_calloc(1, sizeof(struct man));
 
 	man_hash_init();
-	p->data = data;
-	p->msg = msg;
-	p->regs = regs;
+	p->parse = parse;
+	p->roff = roff;
 
 	man_alloc1(p);
 	return(p);
@@ -115,9 +115,8 @@ int
 man_endparse(struct man *m)
 {
 
-	if (MAN_HALT & m->flags)
-		return(0);
-	else if (man_macroend(m))
+	assert( ! (MAN_HALT & m->flags));
+	if (man_macroend(m))
 		return(1);
 	m->flags |= MAN_HALT;
 	return(0);
@@ -128,10 +127,11 @@ int
 man_parseln(struct man *m, int ln, char *buf, int offs)
 {
 
-	if (MAN_HALT & m->flags)
-		return(0);
+	m->flags |= MAN_NEWLINE;
+
+	assert( ! (MAN_HALT & m->flags));
 
-	return(('.' == buf[offs] || '\'' == buf[offs]) ? 
+	return (mandoc_getcontrol(buf, &offs) ?
 			man_pmacro(m, ln, buf, offs) : 
 			man_ptext(m, ln, buf, offs));
 }
@@ -147,8 +147,8 @@ man_free1(struct man *man)
 		free(man->meta.title);
 	if (man->meta.source)
 		free(man->meta.source);
-	if (man->meta.rawdate)
-		free(man->meta.rawdate);
+	if (man->meta.date)
+		free(man->meta.date);
 	if (man->meta.vol)
 		free(man->meta.vol);
 	if (man->meta.msec)
@@ -204,6 +204,10 @@ man_node_append(struct man *man, struct man_node *p)
 		assert(MAN_BLOCK == p->parent->type);
 		p->parent->head = p;
 		break;
+	case (MAN_TAIL):
+		assert(MAN_BLOCK == p->parent->type);
+		p->parent->tail = p;
+		break;
 	case (MAN_BODY):
 		assert(MAN_BLOCK == p->parent->type);
 		p->parent->body = p;
@@ -230,7 +234,8 @@ man_node_append(struct man *man, struct man_node *p)
 
 
 static struct man_node *
-man_node_alloc(int line, int pos, enum man_type type, enum mant tok)
+man_node_alloc(struct man *m, int line, int pos, 
+		enum man_type type, enum mant tok)
 {
 	struct man_node *p;
 
@@ -239,6 +244,10 @@ man_node_alloc(int line, int pos, enum man_type type, enum mant tok)
 	p->pos = pos;
 	p->type = type;
 	p->tok = tok;
+
+	if (MAN_NEWLINE & m->flags)
+		p->flags |= MAN_LINE;
+	m->flags &= ~MAN_NEWLINE;
 	return(p);
 }
 
@@ -248,7 +257,7 @@ man_elem_alloc(struct man *m, int line, int pos, enum mant tok)
 {
 	struct man_node *p;
 
-	p = man_node_alloc(line, pos, MAN_ELEM, tok);
+	p = man_node_alloc(m, line, pos, MAN_ELEM, tok);
 	if ( ! man_node_append(m, p))
 		return(0);
 	m->next = MAN_NEXT_CHILD;
@@ -257,11 +266,11 @@ man_elem_alloc(struct man *m, int line, int pos, enum mant tok)
 
 
 int
-man_head_alloc(struct man *m, int line, int pos, enum mant tok)
+man_tail_alloc(struct man *m, int line, int pos, enum mant tok)
 {
 	struct man_node *p;
 
-	p = man_node_alloc(line, pos, MAN_HEAD, tok);
+	p = man_node_alloc(m, line, pos, MAN_TAIL, tok);
 	if ( ! man_node_append(m, p))
 		return(0);
 	m->next = MAN_NEXT_CHILD;
@@ -270,11 +279,11 @@ man_head_alloc(struct man *m, int line, int pos, enum mant tok)
 
 
 int
-man_body_alloc(struct man *m, int line, int pos, enum mant tok)
+man_head_alloc(struct man *m, int line, int pos, enum mant tok)
 {
 	struct man_node *p;
 
-	p = man_node_alloc(line, pos, MAN_BODY, tok);
+	p = man_node_alloc(m, line, pos, MAN_HEAD, tok);
 	if ( ! man_node_append(m, p))
 		return(0);
 	m->next = MAN_NEXT_CHILD;
@@ -283,29 +292,27 @@ man_body_alloc(struct man *m, int line, int pos, enum mant tok)
 
 
 int
-man_block_alloc(struct man *m, int line, int pos, enum mant tok)
+man_body_alloc(struct man *m, int line, int pos, enum mant tok)
 {
 	struct man_node *p;
 
-	p = man_node_alloc(line, pos, MAN_BLOCK, tok);
+	p = man_node_alloc(m, line, pos, MAN_BODY, tok);
 	if ( ! man_node_append(m, p))
 		return(0);
 	m->next = MAN_NEXT_CHILD;
 	return(1);
 }
 
-static int
-man_span_alloc(struct man *m, const struct tbl_span *span)
-{
-	struct man_node	*n;
 
-	/* FIXME: grab from span */
-	n = man_node_alloc(0, 0, MAN_TBL, MAN_MAX);
+int
+man_block_alloc(struct man *m, int line, int pos, enum mant tok)
+{
+	struct man_node *p;
 
-	if ( ! man_node_append(m, n))
+	p = man_node_alloc(m, line, pos, MAN_BLOCK, tok);
+	if ( ! man_node_append(m, p))
 		return(0);
-
-	m->next = MAN_NEXT_SIBLING;
+	m->next = MAN_NEXT_CHILD;
 	return(1);
 }
 
@@ -317,7 +324,7 @@ man_word_alloc(struct man *m, int line, int pos, const char *word)
 
 	len = strlen(word);
 
-	n = man_node_alloc(line, pos, MAN_TEXT, MAN_MAX);
+	n = man_node_alloc(m, line, pos, MAN_TEXT, MAN_MAX);
 	n->string = mandoc_malloc(len + 1);
 	sv = strlcpy(n->string, word, len + 1);
 
@@ -357,14 +364,38 @@ man_node_delete(struct man *m, struct man_node *p)
 	man_node_free(p);
 }
 
+int
+man_addeqn(struct man *m, const struct eqn *ep)
+{
+	struct man_node	*n;
+
+	assert( ! (MAN_HALT & m->flags));
+
+	n = man_node_alloc(m, ep->ln, ep->pos, MAN_EQN, MAN_MAX);
+	n->eqn = ep;
+
+	if ( ! man_node_append(m, n))
+		return(0);
+
+	m->next = MAN_NEXT_SIBLING;
+	return(man_descope(m, ep->ln, ep->pos));
+}
 
 int
 man_addspan(struct man *m, const struct tbl_span *sp)
 {
+	struct man_node	*n;
+
+	assert( ! (MAN_HALT & m->flags));
 
-	if ( ! man_span_alloc(m, sp))
+	n = man_node_alloc(m, sp->line, 0, MAN_TBL, MAN_MAX);
+	n->span = sp;
+
+	if ( ! man_node_append(m, n))
 		return(0);
-	return(man_descope(m, 0, 0));
+
+	m->next = MAN_NEXT_SIBLING;
+	return(man_descope(m, sp->line, 0));
 }
 
 static int
@@ -391,21 +422,11 @@ man_descope(struct man *m, int line, int offs)
 	return(man_body_alloc(m, line, offs, m->last->tok));
 }
 
-
 static int
 man_ptext(struct man *m, int line, char *buf, int offs)
 {
 	int		 i;
 
-	/* Ignore bogus comments. */
-
-	if ('\\' == buf[offs] && 
-			'.' == buf[offs + 1] && 
-			'"' == buf[offs + 2]) {
-		man_pmsg(m, line, offs, MANDOCERR_BADCOMMENT);
-		return(1);
-	}
-
 	/* Literal free-form text whitespace is preserved. */
 
 	if (MAN_LITERAL & m->flags) {
@@ -463,67 +484,54 @@ man_ptext(struct man *m, int line, char *buf, int offs)
 	return(man_descope(m, line, offs));
 }
 
-
-int
+static int
 man_pmacro(struct man *m, int ln, char *buf, int offs)
 {
-	int		 i, j, ppos;
+	int		 i, ppos;
 	enum mant	 tok;
 	char		 mac[5];
 	struct man_node	*n;
 
-	/* Comments and empties are quickly ignored. */
-
-	offs++;
-
-	if ('\0' == buf[offs])
+	if ('"' == buf[offs]) {
+		man_pmsg(m, ln, offs, MANDOCERR_BADCOMMENT);
+		return(1);
+	} else if ('\0' == buf[offs])
 		return(1);
 
-	i = offs;
-
-	/*
-	 * Skip whitespace between the control character and initial
-	 * text.  "Whitespace" is both spaces and tabs.
-	 */
-
-	if (' ' == buf[i] || '\t' == buf[i]) {
-		i++;
-		while (buf[i] && (' ' == buf[i] || '\t' == buf[i]))
-			i++;
-		if ('\0' == buf[i])
-			goto out;
-	}
-
-	ppos = i;
+	ppos = offs;
 
 	/*
 	 * Copy the first word into a nil-terminated buffer.
 	 * Stop copying when a tab, space, or eoln is encountered.
 	 */
 
-	j = 0;
-	while (j < 4 && '\0' != buf[i] && ' ' != buf[i] && '\t' != buf[i])
-		mac[j++] = buf[i++];
-	mac[j] = '\0';
+	i = 0;
+	while (i < 4 && '\0' != buf[offs] && 
+			' ' != buf[offs] && '\t' != buf[offs])
+		mac[i++] = buf[offs++];
+
+	mac[i] = '\0';
+
+	tok = (i > 0 && i < 4) ? man_hash_find(mac) : MAN_MAX;
 
-	tok = (j > 0 && j < 4) ? man_hash_find(mac) : MAN_MAX;
 	if (MAN_MAX == tok) {
-		man_vmsg(m, MANDOCERR_MACRO, ln, ppos, "%s", buf + ppos - 1);
+		mandoc_vmsg(MANDOCERR_MACRO, m->parse, ln, 
+				ppos, "%s", buf + ppos - 1);
 		return(1);
 	}
 
 	/* The macro is sane.  Jump to the next word. */
 
-	while (buf[i] && ' ' == buf[i])
-		i++;
+	while (buf[offs] && ' ' == buf[offs])
+		offs++;
 
 	/* 
 	 * 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])
-		man_pmsg(m, ln, i - 1, MANDOCERR_EOLNSPACE);
+	if ('\0' == buf[offs] && ' ' == buf[offs - 1])
+		man_pmsg(m, ln, offs - 1, MANDOCERR_EOLNSPACE);
 
 	/* 
 	 * Remove prior ELINE macro, as it's being clobbered by a new
@@ -541,8 +549,8 @@ man_pmacro(struct man *m, int ln, char *buf, int offs)
 		if (MAN_NSCOPED & man_macros[n->tok].flags)
 			n = n->parent;
 
-		man_vmsg(m, MANDOCERR_LINESCOPE, n->line, n->pos,
-				"%s", man_macronames[n->tok]);
+		mandoc_vmsg(MANDOCERR_LINESCOPE, m->parse, n->line, 
+				n->pos, "%s", man_macronames[n->tok]);
 
 		man_node_delete(m, n);
 		m->flags &= ~MAN_ELINE;
@@ -560,10 +568,9 @@ man_pmacro(struct man *m, int ln, char *buf, int offs)
 	/* Call to handler... */
 
 	assert(man_macros[tok].fp);
-	if ( ! (*man_macros[tok].fp)(m, tok, ln, ppos, &i, buf))
+	if ( ! (*man_macros[tok].fp)(m, tok, ln, ppos, &offs, buf))
 		goto err;
 
-out:
 	/* 
 	 * We weren't in a block-line scope when entering the
 	 * above-parsed macro, so return.
@@ -600,7 +607,7 @@ out:
 
 	if ( ! man_unscope(m, m->last->parent, MANDOCERR_MAX))
 		return(0);
-	return(man_body_alloc(m, ln, offs, m->last->tok));
+	return(man_body_alloc(m, ln, ppos, m->last->tok));
 
 err:	/* Error out. */
 
@@ -608,21 +615,6 @@ err:	/* Error out. */
 	return(0);
 }
 
-
-int
-man_vmsg(struct man *man, enum mandocerr t, 
-		int ln, int pos, const char *fmt, ...)
-{
-	char		 buf[256];
-	va_list		 ap;
-
-	va_start(ap, fmt);
-	vsnprintf(buf, sizeof(buf) - 1, fmt, ap);
-	va_end(ap);
-	return((*man->msg)(t, man->data, ln, pos, buf));
-}
-
-
 /*
  * Unlink a node from its context.  If "m" is provided, the last parse
  * point will also be adjusted accordingly.