version 1.262, 2017/04/24 23:06:18 |
version 1.273, 2018/12/31 04:55:46 |
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/* $Id$ */ |
/* $Id$ */ |
/* |
/* |
* Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv> |
* Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv> |
* Copyright (c) 2010, 2012-2017 Ingo Schwarze <schwarze@openbsd.org> |
* Copyright (c) 2010, 2012-2018 Ingo Schwarze <schwarze@openbsd.org> |
* |
* |
* Permission to use, copy, modify, and distribute this software for any |
* Permission to use, copy, modify, and distribute this software for any |
* purpose with or without fee is hereby granted, provided that the above |
* purpose with or without fee is hereby granted, provided that the above |
Line 80 mdoc_parseln(struct roff_man *mdoc, int ln, char *buf, |
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Line 80 mdoc_parseln(struct roff_man *mdoc, int ln, char *buf, |
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} |
} |
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void |
void |
mdoc_macro(MACRO_PROT_ARGS) |
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{ |
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assert(tok >= MDOC_Dd && tok < MDOC_MAX); |
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(*mdoc_macros[tok].fp)(mdoc, tok, line, ppos, pos, buf); |
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} |
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void |
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mdoc_tail_alloc(struct roff_man *mdoc, int line, int pos, enum roff_tok tok) |
mdoc_tail_alloc(struct roff_man *mdoc, int line, int pos, enum roff_tok tok) |
{ |
{ |
struct roff_node *p; |
struct roff_node *p; |
Line 162 mdoc_elem_alloc(struct roff_man *mdoc, int line, int p |
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Line 155 mdoc_elem_alloc(struct roff_man *mdoc, int line, int p |
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mdoc->next = ROFF_NEXT_CHILD; |
mdoc->next = ROFF_NEXT_CHILD; |
} |
} |
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void |
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mdoc_node_relink(struct roff_man *mdoc, struct roff_node *p) |
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{ |
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roff_node_unlink(mdoc, p); |
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p->prev = p->next = NULL; |
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roff_node_append(mdoc, p); |
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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. |
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mdoc_ptext(struct roff_man *mdoc, int line, char *buf, int offs) |
mdoc_ptext(struct roff_man *mdoc, int line, char *buf, int offs) |
{ |
{ |
struct roff_node *n; |
struct roff_node *n; |
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const char *cp, *sp; |
char *c, *ws, *end; |
char *c, *ws, *end; |
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n = mdoc->last; |
n = mdoc->last; |
Line 195 mdoc_ptext(struct roff_man *mdoc, int line, char *buf, |
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Line 180 mdoc_ptext(struct roff_man *mdoc, int line, char *buf, |
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(n->parent != NULL && n->parent->tok == MDOC_Bl && |
(n->parent != NULL && n->parent->tok == MDOC_Bl && |
n->parent->norm->Bl.type == LIST_column)) { |
n->parent->norm->Bl.type == LIST_column)) { |
mdoc->flags |= MDOC_FREECOL; |
mdoc->flags |= MDOC_FREECOL; |
mdoc_macro(mdoc, MDOC_It, line, offs, &offs, buf); |
(*mdoc_macro(MDOC_It)->fp)(mdoc, MDOC_It, |
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line, offs, &offs, buf); |
return 1; |
return 1; |
} |
} |
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Line 241 mdoc_ptext(struct roff_man *mdoc, int line, char *buf, |
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Line 227 mdoc_ptext(struct roff_man *mdoc, int line, char *buf, |
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*end = '\0'; |
*end = '\0'; |
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if (ws) |
if (ws) |
mandoc_msg(MANDOCERR_SPACE_EOL, mdoc->parse, |
mandoc_msg(MANDOCERR_SPACE_EOL, line, (int)(ws - buf), NULL); |
line, (int)(ws-buf), NULL); |
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if (buf[offs] == '\0' && ! (mdoc->flags & MDOC_LITERAL)) { |
/* |
mandoc_msg(MANDOCERR_FI_BLANK, mdoc->parse, |
* Blank lines are allowed in no-fill mode |
line, (int)(c - buf), NULL); |
* and cancel preceding \c, |
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* but add a single vertical space elsewhere. |
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*/ |
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/* |
if (buf[offs] == '\0' && ! (mdoc->flags & MDOC_LITERAL)) { |
* Insert a `sp' in the case of a blank line. Technically, |
switch (mdoc->last->type) { |
* blank lines aren't allowed, but enough manuals assume this |
case ROFFT_TEXT: |
* behaviour that we want to work around it. |
sp = mdoc->last->string; |
*/ |
cp = end = strchr(sp, '\0') - 2; |
roff_elem_alloc(mdoc, line, offs, MDOC_sp); |
if (cp < sp || cp[0] != '\\' || cp[1] != 'c') |
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break; |
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while (cp > sp && cp[-1] == '\\') |
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cp--; |
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if ((end - cp) % 2) |
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break; |
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*end = '\0'; |
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return 1; |
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default: |
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break; |
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} |
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mandoc_msg(MANDOCERR_FI_BLANK, line, (int)(c - buf), NULL); |
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roff_elem_alloc(mdoc, line, offs, ROFF_sp); |
mdoc->last->flags |= NODE_VALID | NODE_ENDED; |
mdoc->last->flags |= NODE_VALID | NODE_ENDED; |
mdoc->next = ROFF_NEXT_SIBLING; |
mdoc->next = ROFF_NEXT_SIBLING; |
return 1; |
return 1; |
Line 278 mdoc_ptext(struct roff_man *mdoc, int line, char *buf, |
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Line 277 mdoc_ptext(struct roff_man *mdoc, int line, char *buf, |
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for (c = buf + offs; c != NULL; c = strchr(c + 1, '.')) { |
for (c = buf + offs; c != NULL; c = strchr(c + 1, '.')) { |
if (c - buf < offs + 2) |
if (c - buf < offs + 2) |
continue; |
continue; |
if (end - c < 4) |
if (end - c < 3) |
break; |
break; |
if (isalpha((unsigned char)c[-2]) && |
if (c[1] != ' ' || |
isalpha((unsigned char)c[-1]) && |
isalnum((unsigned char)c[-2]) == 0 || |
c[1] == ' ' && |
isalnum((unsigned char)c[-1]) == 0 || |
isupper((unsigned char)(c[2] == ' ' ? c[3] : c[2])) && |
(c[-2] == 'n' && c[-1] == 'c') || |
(c[-2] != 'n' || c[-1] != 'c') && |
(c[-2] == 'v' && c[-1] == 's')) |
(c[-2] != 'v' || c[-1] != 's')) |
continue; |
mandoc_msg(MANDOCERR_EOS, mdoc->parse, |
c += 2; |
line, (int)(c - buf), NULL); |
if (*c == ' ') |
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c++; |
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if (*c == ' ') |
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c++; |
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if (isupper((unsigned char)(*c))) |
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mandoc_msg(MANDOCERR_EOS, line, (int)(c - buf), NULL); |
} |
} |
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return 1; |
return 1; |
Line 302 mdoc_pmacro(struct roff_man *mdoc, int ln, char *buf, |
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Line 306 mdoc_pmacro(struct roff_man *mdoc, int ln, char *buf, |
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{ |
{ |
struct roff_node *n; |
struct roff_node *n; |
const char *cp; |
const char *cp; |
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size_t sz; |
enum roff_tok tok; |
enum roff_tok tok; |
int i, sv; |
int sv; |
char mac[5]; |
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sv = offs; |
/* Determine the line macro. */ |
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/* |
sv = offs; |
* Copy the first word into a nil-terminated buffer. |
tok = TOKEN_NONE; |
* Stop when a space, tab, escape, or eoln is encountered. |
for (sz = 0; sz < 4 && strchr(" \t\\", buf[offs]) == NULL; sz++) |
*/ |
offs++; |
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if (sz == 2 || sz == 3) |
i = 0; |
tok = roffhash_find(mdoc->mdocmac, buf + sv, sz); |
while (i < 4 && strchr(" \t\\", buf[offs]) == NULL) |
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mac[i++] = buf[offs++]; |
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mac[i] = '\0'; |
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tok = (i > 1 && i < 4) ? mdoc_hash_find(mac) : TOKEN_NONE; |
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if (tok == TOKEN_NONE) { |
if (tok == TOKEN_NONE) { |
mandoc_msg(MANDOCERR_MACRO, mdoc->parse, |
mandoc_msg(MANDOCERR_MACRO, ln, sv, "%s", buf + sv - 1); |
ln, sv, buf + sv - 1); |
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return 1; |
return 1; |
} |
} |
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Line 353 mdoc_pmacro(struct roff_man *mdoc, int ln, char *buf, |
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Line 349 mdoc_pmacro(struct roff_man *mdoc, int ln, char *buf, |
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*/ |
*/ |
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if ('\0' == buf[offs] && ' ' == buf[offs - 1]) |
if ('\0' == buf[offs] && ' ' == buf[offs - 1]) |
mandoc_msg(MANDOCERR_SPACE_EOL, mdoc->parse, |
mandoc_msg(MANDOCERR_SPACE_EOL, ln, offs - 1, NULL); |
ln, offs - 1, NULL); |
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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 363 mdoc_pmacro(struct roff_man *mdoc, int ln, char *buf, |
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Line 358 mdoc_pmacro(struct roff_man *mdoc, int ln, char *buf, |
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n = mdoc->last; |
n = mdoc->last; |
if (n == NULL || tok == MDOC_It || tok == MDOC_El) { |
if (n == NULL || tok == MDOC_It || tok == MDOC_El) { |
mdoc_macro(mdoc, tok, ln, sv, &offs, buf); |
(*mdoc_macro(tok)->fp)(mdoc, tok, ln, sv, &offs, buf); |
return 1; |
return 1; |
} |
} |
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Line 379 mdoc_pmacro(struct roff_man *mdoc, int ln, char *buf, |
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Line 374 mdoc_pmacro(struct roff_man *mdoc, int ln, char *buf, |
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(n->parent != NULL && n->parent->tok == MDOC_Bl && |
(n->parent != NULL && n->parent->tok == MDOC_Bl && |
n->parent->norm->Bl.type == LIST_column)) { |
n->parent->norm->Bl.type == LIST_column)) { |
mdoc->flags |= MDOC_FREECOL; |
mdoc->flags |= MDOC_FREECOL; |
mdoc_macro(mdoc, MDOC_It, ln, sv, &sv, buf); |
(*mdoc_macro(MDOC_It)->fp)(mdoc, MDOC_It, ln, sv, &sv, buf); |
return 1; |
return 1; |
} |
} |
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/* Normal processing of a macro. */ |
/* Normal processing of a macro. */ |
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mdoc_macro(mdoc, tok, ln, sv, &offs, buf); |
(*mdoc_macro(tok)->fp)(mdoc, tok, ln, sv, &offs, buf); |
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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 432 mdoc_isdelim(const char *p) |
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Line 427 mdoc_isdelim(const char *p) |
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return DELIM_MIDDLE; |
return DELIM_MIDDLE; |
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return DELIM_NONE; |
return DELIM_NONE; |
} |
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void |
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mdoc_validate(struct roff_man *mdoc) |
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{ |
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mdoc->last = mdoc->first; |
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mdoc_node_validate(mdoc); |
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mdoc_state_reset(mdoc); |
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} |
} |