version 1.136, 2010/05/17 22:11:42 |
version 1.150, 2010/06/27 16:18:13 |
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/* $Id$ */ |
/* $Id$ */ |
/* |
/* |
* Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se> |
* Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@bsd.lv> |
* |
* |
* 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 |
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#include <time.h> |
#include <time.h> |
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#include "mandoc.h" |
#include "mandoc.h" |
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#include "regs.h" |
#include "libmdoc.h" |
#include "libmdoc.h" |
#include "libmandoc.h" |
#include "libmandoc.h" |
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Line 69 const char *const __mdoc_macronames[MDOC_MAX] = { |
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Line 70 const char *const __mdoc_macronames[MDOC_MAX] = { |
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/* LINTED */ |
/* LINTED */ |
"Dx", "%Q", "br", "sp", |
"Dx", "%Q", "br", "sp", |
/* LINTED */ |
/* LINTED */ |
"%U" |
"%U", "Ta" |
}; |
}; |
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const char *const __mdoc_argnames[MDOC_ARG_MAX] = { |
const char *const __mdoc_argnames[MDOC_ARG_MAX] = { |
Line 191 mdoc_free(struct mdoc *mdoc) |
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Line 192 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(void *data, int pflags, mandocmsg msg) |
mdoc_alloc(struct regset *regs, void *data, |
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int pflags, mandocmsg msg) |
{ |
{ |
struct mdoc *p; |
struct mdoc *p; |
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Line 200 mdoc_alloc(void *data, int pflags, mandocmsg msg) |
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Line 202 mdoc_alloc(void *data, int pflags, mandocmsg msg) |
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p->msg = msg; |
p->msg = msg; |
p->data = data; |
p->data = data; |
p->pflags = pflags; |
p->pflags = pflags; |
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p->regs = regs; |
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mdoc_hash_init(); |
mdoc_hash_init(); |
mdoc_alloc1(p); |
mdoc_alloc1(p); |
Line 258 mdoc_vmsg(struct mdoc *mdoc, enum mandocerr t, |
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Line 261 mdoc_vmsg(struct mdoc *mdoc, enum mandocerr t, |
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int |
int |
mdoc_macro(struct mdoc *m, enum mdoct tok, |
mdoc_macro(MACRO_PROT_ARGS) |
int ln, int pp, int *pos, char *buf) |
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{ |
{ |
assert(tok < MDOC_MAX); |
assert(tok < MDOC_MAX); |
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Line 267 mdoc_macro(struct mdoc *m, enum mdoct tok, |
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Line 269 mdoc_macro(struct mdoc *m, enum mdoct tok, |
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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, ln, pp, MANDOCERR_BADBODY)); |
return(mdoc_pmsg(m, line, ppos, MANDOCERR_BADBODY)); |
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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, ln, pp, MANDOCERR_BADPROLOG)) |
if ( ! mdoc_pmsg(m, line, ppos, MANDOCERR_BADPROLOG)) |
return(0); |
return(0); |
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) |
m->meta.vol = mandoc_strdup("local"); |
m->meta.vol = mandoc_strdup("LOCAL"); |
if (NULL == m->meta.os) |
if (NULL == m->meta.os) |
m->meta.os = mandoc_strdup("local"); |
m->meta.os = mandoc_strdup("LOCAL"); |
if (0 == m->meta.date) |
if (0 == m->meta.date) |
m->meta.date = time(NULL); |
m->meta.date = time(NULL); |
m->flags |= MDOC_PBODY; |
m->flags |= MDOC_PBODY; |
} |
} |
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return((*mdoc_macros[tok].fp)(m, tok, ln, pp, pos, buf)); |
return((*mdoc_macros[tok].fp)(m, tok, line, ppos, pos, buf)); |
} |
} |
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Line 366 node_alloc(struct mdoc *m, int line, int pos, |
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Line 368 node_alloc(struct mdoc *m, int line, int pos, |
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p->pos = pos; |
p->pos = pos; |
p->tok = tok; |
p->tok = tok; |
p->type = type; |
p->type = type; |
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/* Flag analysis. */ |
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if (MDOC_NEWLINE & m->flags) |
if (MDOC_NEWLINE & m->flags) |
p->flags |= MDOC_LINE; |
p->flags |= MDOC_LINE; |
m->flags &= ~MDOC_NEWLINE; |
m->flags &= ~MDOC_NEWLINE; |
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/* Section analysis. */ |
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if (SEC_SYNOPSIS == p->sec) |
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p->flags |= MDOC_SYNPRETTY; |
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return(p); |
return(p); |
} |
} |
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Line 542 mdoc_node_delete(struct mdoc *m, struct mdoc_node *p) |
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Line 553 mdoc_node_delete(struct mdoc *m, struct mdoc_node *p) |
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static int |
static int |
mdoc_ptext(struct mdoc *m, int line, char *buf, int offs) |
mdoc_ptext(struct mdoc *m, int line, char *buf, int offs) |
{ |
{ |
int i; |
char *c, *ws, *end; |
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struct mdoc_node *n; |
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/* Ignore bogus comments. */ |
/* Ignore bogus comments. */ |
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Line 556 mdoc_ptext(struct mdoc *m, int line, char *buf, int of |
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Line 568 mdoc_ptext(struct mdoc *m, int line, char *buf, int of |
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if (SEC_NONE == m->lastnamed) |
if (SEC_NONE == m->lastnamed) |
return(mdoc_pmsg(m, line, offs, MANDOCERR_NOTEXT)); |
return(mdoc_pmsg(m, line, offs, MANDOCERR_NOTEXT)); |
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/* Literal just gets pulled in as-is. */ |
assert(m->last); |
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n = m->last; |
if (MDOC_LITERAL & m->flags) |
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return(mdoc_word_alloc(m, line, offs, buf + offs)); |
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/* Check for a blank line, which may also consist of spaces. */ |
/* |
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* Divert directly to list processing if we're encountering a |
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* columnar MDOC_BLOCK with or without a prior MDOC_BLOCK entry |
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* (a MDOC_BODY means it's already open, in which case we should |
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* process within its context in the normal way). |
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*/ |
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for (i = offs; ' ' == buf[i]; i++) |
if (MDOC_Bl == n->tok && MDOC_BODY == n->type && |
/* Skip to first non-space. */ ; |
LIST_column == n->data.Bl.type) { |
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/* `Bl' is open without any children. */ |
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m->flags |= MDOC_FREECOL; |
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return(mdoc_macro(m, MDOC_It, line, offs, &offs, buf)); |
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} |
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if ('\0' == buf[i]) { |
if (MDOC_It == n->tok && MDOC_BLOCK == n->type && |
if ( ! mdoc_pmsg(m, line, offs, MANDOCERR_NOBLANKLN)) |
NULL != n->parent && |
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MDOC_Bl == n->parent->tok && |
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LIST_column == n->parent->data.Bl.type) { |
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/* `Bl' has block-level `It' children. */ |
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m->flags |= MDOC_FREECOL; |
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return(mdoc_macro(m, MDOC_It, line, offs, &offs, buf)); |
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} |
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/* |
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* Search for the beginning of unescaped trailing whitespace (ws) |
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* and for the first character not to be output (end). |
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*/ |
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/* FIXME: replace with strcspn(). */ |
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ws = NULL; |
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for (c = end = buf + offs; *c; c++) { |
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switch (*c) { |
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case '-': |
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if (mandoc_hyph(buf + offs, c)) |
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*c = ASCII_HYPH; |
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ws = NULL; |
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break; |
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case ' ': |
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if (NULL == ws) |
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ws = c; |
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continue; |
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case '\t': |
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/* |
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* Always warn about trailing tabs, |
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* even outside literal context, |
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* where they should be put on the next line. |
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*/ |
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if (NULL == ws) |
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ws = c; |
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/* |
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* Strip trailing tabs in literal context only; |
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* outside, they affect the next line. |
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*/ |
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if (MDOC_LITERAL & m->flags) |
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continue; |
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break; |
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case '\\': |
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/* Skip the escaped character, too, if any. */ |
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if (c[1]) |
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c++; |
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/* FALLTHROUGH */ |
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default: |
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ws = NULL; |
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break; |
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} |
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end = c + 1; |
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} |
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*end = '\0'; |
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if (ws) |
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if ( ! mdoc_pmsg(m, line, (int)(ws-buf), MANDOCERR_EOLNSPACE)) |
return(0); |
return(0); |
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if ('\0' == buf[offs] && ! (MDOC_LITERAL & m->flags)) { |
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if ( ! mdoc_pmsg(m, line, (int)(c-buf), MANDOCERR_NOBLANKLN)) |
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return(0); |
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/* |
/* |
* Insert a `Pp' in the case of a blank line. Technically, |
* Insert a `Pp' 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 |
Line 582 mdoc_ptext(struct mdoc *m, int line, char *buf, int of |
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Line 660 mdoc_ptext(struct mdoc *m, int line, char *buf, int of |
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return(1); |
return(1); |
} |
} |
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/* |
if ( ! mdoc_word_alloc(m, line, offs, buf+offs)) |
* Warn if the last un-escaped character is whitespace. Then |
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* strip away the remaining spaces (tabs stay!). |
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*/ |
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i = (int)strlen(buf); |
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assert(i); |
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if (' ' == buf[i - 1] || '\t' == buf[i - 1]) { |
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if (i > 1 && '\\' != buf[i - 2]) |
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if ( ! mdoc_pmsg(m, line, i - 1, MANDOCERR_EOLNSPACE)) |
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return(0); |
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for (--i; i && ' ' == buf[i]; i--) |
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/* Spin back to non-space. */ ; |
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/* Jump ahead of escaped whitespace. */ |
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i += '\\' == buf[i] ? 2 : 1; |
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buf[i] = '\0'; |
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} |
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/* Allocate the whole word. */ |
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if ( ! mdoc_word_alloc(m, line, offs, buf + offs)) |
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return(0); |
return(0); |
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if (MDOC_LITERAL & m->flags) |
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return(1); |
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/* |
/* |
* End-of-sentence check. If the last character is an unescaped |
* End-of-sentence check. If the last character is an unescaped |
* EOS character, then flag the node as being the end of a |
* EOS character, then flag the node as being the end of a |
* sentence. The front-end will know how to interpret this. |
* sentence. The front-end will know how to interpret this. |
*/ |
*/ |
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assert(i); |
assert(buf < end); |
if (mandoc_eos(buf, (size_t)i)) |
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if (mandoc_eos(buf+offs, (size_t)(end-buf-offs))) |
m->last->flags |= MDOC_EOS; |
m->last->flags |= MDOC_EOS; |
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return(1); |
return(1); |
Line 633 macrowarn(struct mdoc *m, int ln, const char *buf, int |
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Line 691 macrowarn(struct mdoc *m, int ln, const char *buf, int |
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buf, strlen(buf) > 3 ? "..." : ""); |
buf, strlen(buf) > 3 ? "..." : ""); |
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/* FIXME: logic should be in driver. */ |
/* FIXME: logic should be in driver. */ |
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/* FIXME: broken, will error out and not omit a message. */ |
return(MDOC_IGN_MACRO & m->pflags ? rc : 0); |
return(MDOC_IGN_MACRO & m->pflags ? rc : 0); |
} |
} |
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Line 644 macrowarn(struct mdoc *m, int ln, const char *buf, int |
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Line 703 macrowarn(struct mdoc *m, int ln, const char *buf, int |
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int |
int |
mdoc_pmacro(struct mdoc *m, int ln, char *buf, int offs) |
mdoc_pmacro(struct mdoc *m, int ln, char *buf, int offs) |
{ |
{ |
enum mdoct tok; |
enum mdoct tok; |
int i, j, sv; |
int i, j, sv; |
char mac[5]; |
char mac[5]; |
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struct mdoc_node *n; |
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/* Empty lines are ignored. */ |
/* Empty lines are ignored. */ |
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Line 714 mdoc_pmacro(struct mdoc *m, int ln, char *buf, int off |
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Line 774 mdoc_pmacro(struct mdoc *m, int ln, char *buf, int off |
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if ( ! mdoc_pmsg(m, ln, i - 1, MANDOCERR_EOLNSPACE)) |
if ( ! mdoc_pmsg(m, ln, i - 1, MANDOCERR_EOLNSPACE)) |
goto err; |
goto err; |
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/* |
/* |
* Begin recursive parse sequence. Since we're at the start of |
* If an initial macro or a list invocation, divert directly |
* the line, we don't need to do callable/parseable checks. |
* into macro processing. |
*/ |
*/ |
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if (NULL == m->last || MDOC_It == tok || MDOC_El == tok) { |
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if ( ! mdoc_macro(m, tok, ln, sv, &i, buf)) |
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goto err; |
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return(1); |
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} |
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n = m->last; |
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assert(m->last); |
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/* |
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* If the first macro of a `Bl -column', open an `It' block |
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* context around the parsed macro. |
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*/ |
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if (MDOC_Bl == n->tok && MDOC_BODY == n->type && |
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LIST_column == n->data.Bl.type) { |
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m->flags |= MDOC_FREECOL; |
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if ( ! mdoc_macro(m, MDOC_It, ln, sv, &sv, buf)) |
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goto err; |
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return(1); |
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} |
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/* |
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* If we're following a block-level `It' within a `Bl -column' |
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* context (perhaps opened in the above block or in ptext()), |
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* then open an `It' block context around the parsed macro. |
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*/ |
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if (MDOC_It == n->tok && MDOC_BLOCK == n->type && |
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NULL != n->parent && |
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MDOC_Bl == n->parent->tok && |
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LIST_column == n->parent->data.Bl.type) { |
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m->flags |= MDOC_FREECOL; |
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if ( ! mdoc_macro(m, MDOC_It, ln, sv, &sv, buf)) |
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goto err; |
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return(1); |
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} |
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/* Normal processing of a macro. */ |
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if ( ! mdoc_macro(m, tok, ln, sv, &i, buf)) |
if ( ! mdoc_macro(m, tok, ln, sv, &i, buf)) |
goto err; |
goto err; |
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