version 1.266, 2015/04/19 13:50:26 |
version 1.270, 2015/05/01 16:02:47 |
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/* $Id$ */ |
/* $Id$ */ |
/* |
/* |
* Copyright (c) 2009-2012, 2014 Kristaps Dzonsons <kristaps@bsd.lv> |
* Copyright (c) 2008-2012, 2014 Kristaps Dzonsons <kristaps@bsd.lv> |
* Copyright (c) 2010-2015 Ingo Schwarze <schwarze@openbsd.org> |
* Copyright (c) 2010-2015 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 |
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#include "libmandoc.h" |
#include "libmandoc.h" |
#include "roff_int.h" |
#include "roff_int.h" |
#include "libroff.h" |
#include "libroff.h" |
#include "libmdoc.h" |
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/* Maximum number of nested if-else conditionals. */ |
/* Maximum number of nested if-else conditionals. */ |
#define RSTACK_MAX 128 |
#define RSTACK_MAX 128 |
Line 1023 roff_node_append(struct roff_man *man, struct roff_nod |
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Line 1022 roff_node_append(struct roff_man *man, struct roff_nod |
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/* NOTREACHED */ |
/* NOTREACHED */ |
} |
} |
n->parent->nchild++; |
n->parent->nchild++; |
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n->parent->last = n; |
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/* |
/* |
* Copy over the normalised-data pointer of our parent. Not |
* Copy over the normalised-data pointer of our parent. Not |
Line 1067 roff_node_append(struct roff_man *man, struct roff_nod |
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Line 1067 roff_node_append(struct roff_man *man, struct roff_nod |
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man->last = n; |
man->last = n; |
} |
} |
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void |
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roff_word_alloc(struct roff_man *man, int line, int pos, const char *word) |
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{ |
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struct roff_node *n; |
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n = roff_node_alloc(man, line, pos, ROFFT_TEXT, TOKEN_NONE); |
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n->string = roff_strdup(man->roff, word); |
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roff_node_append(man, n); |
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if (man->macroset == MACROSET_MDOC) |
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mdoc_valid_post(man); |
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else |
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man_valid_post(man); |
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man->next = ROFF_NEXT_SIBLING; |
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} |
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void |
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roff_word_append(struct roff_man *man, const char *word) |
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{ |
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struct roff_node *n; |
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char *addstr, *newstr; |
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n = man->last; |
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addstr = roff_strdup(man->roff, word); |
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mandoc_asprintf(&newstr, "%s %s", n->string, addstr); |
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free(addstr); |
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free(n->string); |
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n->string = newstr; |
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man->next = ROFF_NEXT_SIBLING; |
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} |
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void |
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roff_elem_alloc(struct roff_man *man, int line, int pos, int tok) |
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{ |
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struct roff_node *n; |
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n = roff_node_alloc(man, line, pos, ROFFT_ELEM, tok); |
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roff_node_append(man, n); |
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man->next = ROFF_NEXT_CHILD; |
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} |
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struct roff_node * |
struct roff_node * |
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roff_block_alloc(struct roff_man *man, int line, int pos, int tok) |
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{ |
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struct roff_node *n; |
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n = roff_node_alloc(man, line, pos, ROFFT_BLOCK, tok); |
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roff_node_append(man, n); |
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man->next = ROFF_NEXT_CHILD; |
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return(n); |
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} |
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struct roff_node * |
roff_head_alloc(struct roff_man *man, int line, int pos, int tok) |
roff_head_alloc(struct roff_man *man, int line, int pos, int tok) |
{ |
{ |
struct roff_node *n; |
struct roff_node *n; |
Line 1090 roff_body_alloc(struct roff_man *man, int line, int po |
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Line 1141 roff_body_alloc(struct roff_man *man, int line, int po |
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} |
} |
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void |
void |
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roff_addeqn(struct roff_man *man, const struct eqn *eqn) |
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{ |
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struct roff_node *n; |
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n = roff_node_alloc(man, eqn->ln, eqn->pos, ROFFT_EQN, TOKEN_NONE); |
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n->eqn = eqn; |
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if (eqn->ln > man->last->line) |
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n->flags |= MDOC_LINE; |
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roff_node_append(man, n); |
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man->next = ROFF_NEXT_SIBLING; |
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} |
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void |
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roff_addtbl(struct roff_man *man, const struct tbl_span *tbl) |
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{ |
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struct roff_node *n; |
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if (man->macroset == MACROSET_MAN) |
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man_breakscope(man, TOKEN_NONE); |
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n = roff_node_alloc(man, tbl->line, 0, ROFFT_TBL, TOKEN_NONE); |
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n->span = tbl; |
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roff_node_append(man, n); |
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if (man->macroset == MACROSET_MDOC) |
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mdoc_valid_post(man); |
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else |
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man_valid_post(man); |
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man->next = ROFF_NEXT_SIBLING; |
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} |
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void |
roff_node_unlink(struct roff_man *man, struct roff_node *n) |
roff_node_unlink(struct roff_man *man, struct roff_node *n) |
{ |
{ |
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Line 1148 roff_node_delete(struct roff_man *man, struct roff_nod |
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Line 1229 roff_node_delete(struct roff_man *man, struct roff_nod |
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assert(n->nchild == 0); |
assert(n->nchild == 0); |
roff_node_unlink(man, n); |
roff_node_unlink(man, n); |
roff_node_free(n); |
roff_node_free(n); |
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} |
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void |
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deroff(char **dest, const struct roff_node *n) |
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{ |
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char *cp; |
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size_t sz; |
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if (n->type != ROFFT_TEXT) { |
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for (n = n->child; n != NULL; n = n->next) |
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deroff(dest, n); |
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return; |
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} |
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/* Skip leading whitespace and escape sequences. */ |
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cp = n->string; |
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while (*cp != '\0') { |
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if ('\\' == *cp) { |
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cp++; |
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mandoc_escape((const char **)&cp, NULL, NULL); |
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} else if (isspace((unsigned char)*cp)) |
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cp++; |
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else |
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break; |
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} |
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/* Skip trailing whitespace. */ |
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for (sz = strlen(cp); sz; sz--) |
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if ( ! isspace((unsigned char)cp[sz-1])) |
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break; |
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/* Skip empty strings. */ |
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if (sz == 0) |
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return; |
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if (*dest == NULL) { |
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*dest = mandoc_strndup(cp, sz); |
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return; |
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} |
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mandoc_asprintf(&cp, "%s %*s", *dest, (int)sz, cp); |
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free(*dest); |
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*dest = cp; |
} |
} |
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/* --- main functions of the roff parser ---------------------------------- */ |
/* --- main functions of the roff parser ---------------------------------- */ |