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/* GNU gettext - internationalization aids
Copyright (C) 1995, 1996, 1998, 2000 Free Software Foundation, Inc.
This file was written by Peter Miller <millerp@canb.auug.org.au>
This program 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 2, or (at your option)
any later version.
This program 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 this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <ctype.h>
#include <stdio.h>
#ifdef HAVE_STDLIB_H
# include <stdlib.h>
#endif
#include "po.h"
#include "po-hash.h"
#include "system.h"
/* Prototypes for local functions. */
static void po_parse_brief PARAMS ((po_ty *__pop));
static void po_parse_debrief PARAMS ((po_ty *__pop));
/* Methods used indirectly by po_scan. */
static void po_directive_domain PARAMS ((po_ty *__pop, char *__name));
static void po_directive_message PARAMS ((po_ty *__pop, char *__msgid,
lex_pos_ty *__msgid_pos,
char *__msgstr,
lex_pos_ty *__msgstr_pos));
static void po_comment PARAMS ((po_ty *__pop, const char *__s));
static void po_comment_dot PARAMS ((po_ty *__pop, const char *__s));
static void po_comment_filepos PARAMS ((po_ty *__pop, const char *__name,
int __line));
static void po_comment_special PARAMS ((po_ty *pop, const char *s));
/* Local variables. */
static po_ty *callback_arg;
po_ty *
po_alloc (pomp)
po_method_ty *pomp;
{
po_ty *pop;
pop = xmalloc (pomp->size);
pop->method = pomp;
if (pomp->constructor)
pomp->constructor (pop);
return pop;
}
void
po_free (pop)
po_ty *pop;
{
if (pop->method->destructor)
pop->method->destructor (pop);
free (pop);
}
void
po_scan (pop, filename)
po_ty *pop;
const char *filename;
{
extern int po_gram_parse PARAMS ((void));
/* The parse will call the po_callback_... functions (see below)
when the various directive are recognised. The callback_arg
variable is used to tell these functions which instance is to
have the relevant method invoked. */
callback_arg = pop;
/* Open the file and parse it. */
lex_open (filename);
po_parse_brief (pop);
po_gram_parse ();
po_parse_debrief (pop);
lex_close ();
callback_arg = NULL;
}
static void
po_parse_brief (pop)
po_ty *pop;
{
if (pop->method->parse_brief)
pop->method->parse_brief (pop);
}
static void
po_parse_debrief (pop)
po_ty *pop;
{
if (pop->method->parse_debrief)
pop->method->parse_debrief (pop);
}
static void
po_directive_domain (pop, name)
po_ty *pop;
char *name;
{
if (pop->method->directive_domain)
pop->method->directive_domain (pop, name);
}
void
po_callback_domain (name)
char *name;
{
/* assert(callback_arg); */
po_directive_domain (callback_arg, name);
}
static void
po_directive_message (pop, msgid, msgid_pos, msgstr, msgstr_pos)
po_ty *pop;
char *msgid;
lex_pos_ty *msgid_pos;
char *msgstr;
lex_pos_ty *msgstr_pos;
{
if (pop->method->directive_message)
pop->method->directive_message (pop, msgid, msgid_pos, msgstr, msgstr_pos);
}
void
po_callback_message (msgid, msgid_pos, msgstr, msgstr_pos)
char *msgid;
lex_pos_ty *msgid_pos;
char *msgstr;
lex_pos_ty *msgstr_pos;
{
/* assert(callback_arg); */
po_directive_message (callback_arg, msgid, msgid_pos, msgstr, msgstr_pos);
}
static void
po_comment_special (pop, s)
po_ty *pop;
const char *s;
{
if (pop->method->comment_special != NULL)
pop->method->comment_special (pop, s);
}
static void
po_comment (pop, s)
po_ty *pop;
const char *s;
{
if (pop->method->comment != NULL)
pop->method->comment (pop, s);
}
static void
po_comment_dot (pop, s)
po_ty *pop;
const char *s;
{
if (pop->method->comment_dot != NULL)
pop->method->comment_dot (pop, s);
}
/* This function is called by po_gram_lex() whenever a comment is
seen. It analyzes the comment to see what sort it is, and then
dispatces it to the appropriate method. */
void
po_callback_comment (s)
const char *s;
{
/* assert(callback_arg); */
if (*s == '.')
po_comment_dot (callback_arg, s + 1);
else if (*s == ':')
{
/* Parse the file location string. If the parse succeeds, the
appropriate callback will be invoked. If the parse fails,
the po_hash function will return non-zero - so pretend it was
a normal comment. */
if (po_hash (s + 1) == 0)
/* Do nothing, it is a GNU-style file pos line. */ ;
else
po_comment (callback_arg, s + 1);
}
else if (*s == ',' || *s == '!')
/* Get all entries in the special comment line. */
po_comment_special (callback_arg, s + 1);
else
{
/* It looks like a plain vanilla comment, but Solaris-style file
position lines do, too. Rather than parse the lot, only look
at lines that could start with "# File..." This minimizes
memory leaks on failed parses. If the parse succeeds, the
appropriate callback will be invoked. */
if (s[0] == ' ' && (s[1] == 'F' || s[1] == 'f') && s[2] == 'i'
&& po_hash (s) == 0)
/* Do nothing, it is a Sun-style file pos line. */ ;
else
po_comment (callback_arg, s);
}
}
static void
po_comment_filepos (pop, name, line)
po_ty *pop;
const char *name;
int line;
{
if (pop->method->comment_filepos)
pop->method->comment_filepos (pop, name, line);
}
void
po_callback_comment_filepos (name, line)
const char *name;
int line;
{
/* assert(callback_arg); */
po_comment_filepos (callback_arg, name, line);
}
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