/* Message list test for equality.
Copyright (C) 2001-2002, 2005-2006 Free Software Foundation, Inc.
Written by Bruno Haible <haible@clisp.cons.org>, 2001.
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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
/* Specification. */
#include "msgl-equal.h"
#include <stddef.h>
#include <string.h>
static inline bool
msgstr_equal (const char *msgstr1, size_t msgstr1_len,
const char *msgstr2, size_t msgstr2_len)
{
return (msgstr1_len == msgstr2_len
&& memcmp (msgstr1, msgstr2, msgstr1_len) == 0);
}
static bool
msgstr_equal_ignoring_potcdate (const char *msgstr1, size_t msgstr1_len,
const char *msgstr2, size_t msgstr2_len)
{
const char *msgstr1_end = msgstr1 + msgstr1_len;
const char *msgstr2_end = msgstr2 + msgstr2_len;
const char *ptr1;
const char *ptr2;
const char *const field = "POT-Creation-Date:";
const ptrdiff_t fieldlen = sizeof ("POT-Creation-Date:") - 1;
/* Search for the occurrence of field in msgstr1. */
for (ptr1 = msgstr1;;)
{
if (msgstr1_end - ptr1 < fieldlen)
{
ptr1 = NULL;
break;
}
if (memcmp (ptr1, field, fieldlen) == 0)
break;
ptr1 = memchr (ptr1, '\n', msgstr1_end - ptr1);
if (ptr1 == NULL)
break;
ptr1++;
}
/* Search for the occurrence of field in msgstr2. */
for (ptr2 = msgstr2;;)
{
if (msgstr2_end - ptr2 < fieldlen)
{
ptr2 = NULL;
break;
}
if (memcmp (ptr2, field, fieldlen) == 0)
break;
ptr2 = memchr (ptr2, '\n', msgstr2_end - ptr2);
if (ptr2 == NULL)
break;
ptr2++;
}
if (ptr1 == NULL)
{
if (ptr2 == NULL)
return msgstr_equal (msgstr1, msgstr1_len, msgstr2, msgstr2_len);
}
else
{
if (ptr2 != NULL)
{
/* Compare, ignoring the lines starting at ptr1 and ptr2. */
if (msgstr_equal (msgstr1, ptr1 - msgstr1, msgstr2, ptr2 - msgstr2))
{
ptr1 = memchr (ptr1, '\n', msgstr1_end - ptr1);
if (ptr1 == NULL)
ptr1 = msgstr1_end;
ptr2 = memchr (ptr2, '\n', msgstr2_end - ptr2);
if (ptr2 == NULL)
ptr2 = msgstr2_end;
return msgstr_equal (ptr1, msgstr1_end - ptr1,
ptr2, msgstr2_end - ptr2);
}
}
}
return false;
}
static inline bool
pos_equal (const lex_pos_ty *pos1, const lex_pos_ty *pos2)
{
return ((pos1->file_name == pos2->file_name
|| strcmp (pos1->file_name, pos2->file_name) == 0)
&& pos1->line_number == pos2->line_number);
}
bool
string_list_equal (const string_list_ty *slp1, const string_list_ty *slp2)
{
size_t i, i1, i2;
i1 = (slp1 != NULL ? slp1->nitems : 0);
i2 = (slp2 != NULL ? slp2->nitems : 0);
if (i1 != i2)
return false;
for (i = 0; i < i1; i++)
if (strcmp (slp1->item[i], slp2->item[i]) != 0)
return false;
return true;
}
bool
message_equal (const message_ty *mp1, const message_ty *mp2,
bool ignore_potcdate)
{
size_t i, i1, i2;
if (!(mp1->msgctxt != NULL
? mp2->msgctxt != NULL && strcmp (mp1->msgctxt, mp2->msgctxt) == 0
: mp2->msgctxt == NULL))
return false;
if (strcmp (mp1->msgid, mp2->msgid) != 0)
return false;
if (!(mp1->msgid_plural != NULL
? mp2->msgid_plural != NULL
&& strcmp (mp1->msgid_plural, mp2->msgid_plural) == 0
: mp2->msgid_plural == NULL))
return false;
if (is_header (mp1) && ignore_potcdate
? !msgstr_equal_ignoring_potcdate (mp1->msgstr, mp1->msgstr_len,
mp2->msgstr, mp2->msgstr_len)
: !msgstr_equal (mp1->msgstr, mp1->msgstr_len,
mp2->msgstr, mp2->msgstr_len))
return false;
if (!pos_equal (&mp1->pos, &mp2->pos))
return false;
if (!string_list_equal (mp1->comment, mp2->comment))
return false;
if (!string_list_equal (mp1->comment_dot, mp2->comment_dot))
return false;
i1 = mp1->filepos_count;
i2 = mp2->filepos_count;
if (i1 != i2)
return false;
for (i = 0; i < i1; i++)
if (!pos_equal (&mp1->filepos[i], &mp2->filepos[i]))
return false;
if (mp1->is_fuzzy != mp2->is_fuzzy)
return false;
for (i = 0; i < NFORMATS; i++)
if (mp1->is_format[i] != mp2->is_format[i])
return false;
if (!(mp1->prev_msgctxt != NULL
? mp2->prev_msgctxt != NULL
&& strcmp (mp1->prev_msgctxt, mp2->prev_msgctxt) == 0
: mp2->prev_msgctxt == NULL))
return false;
if (!(mp1->prev_msgid != NULL
? mp2->prev_msgid != NULL
&& strcmp (mp1->prev_msgid, mp2->prev_msgid) == 0
: mp2->prev_msgid == NULL))
return false;
if (!(mp1->prev_msgid_plural != NULL
? mp2->prev_msgid_plural != NULL
&& strcmp (mp1->prev_msgid_plural, mp2->prev_msgid_plural) == 0
: mp2->prev_msgid_plural == NULL))
return false;
if (mp1->obsolete != mp2->obsolete)
return false;
return true;
}
bool
message_list_equal (const message_list_ty *mlp1, const message_list_ty *mlp2,
bool ignore_potcdate)
{
size_t i, i1, i2;
i1 = mlp1->nitems;
i2 = mlp2->nitems;
if (i1 != i2)
return false;
for (i = 0; i < i1; i++)
if (!message_equal (mlp1->item[i], mlp2->item[i], ignore_potcdate))
return false;
return true;
}
static inline bool
msgdomain_equal (const msgdomain_ty *mdp1, const msgdomain_ty *mdp2,
bool ignore_potcdate)
{
return (strcmp (mdp1->domain, mdp2->domain) == 0
&& message_list_equal (mdp1->messages, mdp2->messages,
ignore_potcdate));
}
bool
msgdomain_list_equal (const msgdomain_list_ty *mdlp1,
const msgdomain_list_ty *mdlp2,
bool ignore_potcdate)
{
size_t i, i1, i2;
i1 = mdlp1->nitems;
i2 = mdlp2->nitems;
if (i1 != i2)
return false;
for (i = 0; i < i1; i++)
if (!msgdomain_equal (mdlp1->item[i], mdlp2->item[i], ignore_potcdate))
return false;
return true;
}