/* grecs - Gray's Extensible Configuration System
Copyright (C) 2007-2016 Sergey Poznyakoff
Grecs is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 3 of the License, or (at your
option) any later version.
Grecs is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with Grecs. If not, see . */
#ifdef HAVE_CONFIG_H
# include
#endif
#include
#include
static struct grecs_txtacc *line_acc;
void
grecs_line_acc_create()
{
line_acc = grecs_txtacc_create();
}
void
grecs_line_acc_free()
{
grecs_txtacc_free(line_acc);
line_acc = NULL;
}
void
grecs_line_acc_grow_char(int c)
{
char t = c;
grecs_txtacc_grow(line_acc, &t, 1);
}
int
grecs_line_acc_grow_char_unescape(int c)
{
if (c != '\n') {
int uc = wordsplit_c_unquote_char(c);
grecs_line_acc_grow_char(uc ? uc : c);
return !uc;
}
return 0;
}
void
grecs_line_acc_grow(const char *text, size_t len)
{
grecs_txtacc_grow(line_acc, text, len);
}
/* Same, but unescapes the last character from text */
void
grecs_line_acc_grow_unescape_last(char *text, size_t len,
grecs_locus_t const *loc)
{
grecs_txtacc_grow(line_acc, text, len - 2);
if (grecs_line_acc_grow_char_unescape(text[len - 1]) && loc)
grecs_warning(loc, 0,
_("unknown escape sequence: '\\%c'"),
text[len - 1]);
}
void
grecs_line_begin()
{
if (!line_acc)
grecs_line_acc_create();
}
char *
grecs_line_finish()
{
grecs_line_acc_grow_char(0);
return grecs_txtacc_finish(line_acc, 1);
}