/* GNU gettext - internationalization aids
Copyright (C) 1995-1998, 2000-2006 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <alloca.h>
/* Specification. */
#include "write-po.h"
#include <errno.h>
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#if HAVE_ICONV
# include <iconv.h>
#endif
#include "c-ctype.h"
#include "po-charset.h"
#include "linebreak.h"
#include "msgl-ascii.h"
#include "write-properties.h"
#include "write-stringtable.h"
#include "xalloc.h"
#include "xallocsa.h"
#include "c-strstr.h"
#include "xvasprintf.h"
#include "po-xerror.h"
#include "gettext.h"
/* Our regular abbreviation. */
#define _(str) gettext (str)
#if HAVE_DECL_PUTC_UNLOCKED
# undef putc
# define putc putc_unlocked
#endif
/* =================== Putting together a #, flags line. =================== */
/* Convert IS_FORMAT in the context of programming language LANG to a flag
string for use in #, flags. */
const char *
make_format_description_string (enum is_format is_format, const char *lang,
bool debug)
{
static char result[100];
switch (is_format)
{
case possible:
if (debug)
{
sprintf (result, " possible-%s-format", lang);
break;
}
/* FALLTHROUGH */
case yes_according_to_context:
case yes:
sprintf (result, " %s-format", lang);
break;
case no:
sprintf (result, " no-%s-format", lang);
break;
default:
/* The others have already been filtered out by significant_format_p. */
abort ();
}
return result;
}
/* Return true if IS_FORMAT is worth mentioning in a #, flags list. */
bool
significant_format_p (enum is_format is_format)
{
return is_format != undecided && is_format != impossible;
}
/* Return true if one of IS_FORMAT is worth mentioning in a #, flags list. */
static bool
has_significant_format_p (const enum is_format is_format[NFORMATS])
{
size_t i;
for (i = 0; i < NFORMATS; i++)
if (significant_format_p (is_format[i]))
return true;
return false;
}
/* Convert a wrapping flag DO_WRAP to a string for use in #, flags. */
static const char *
make_c_width_description_string (enum is_wrap do_wrap)
{
const char *result = NULL;
switch (do_wrap)
{
case yes:
result = " wrap";
break;
case no:
result = " no-wrap";
break;
default:
abort ();
}
return result;
}
/* ================ Output parts of a message, as comments. ================ */
/* Output mp->comment as a set of comment lines. */
void
message_print_comment (const message_ty *mp, FILE *fp)
{
if (mp->comment != NULL)
{
size_t j;
for (j = 0; j < mp->comment->nitems; ++j)
{
const char *s = mp->comment->item[j];
do
{
const char *e;
putc ('#', fp);
if (*s != '\0' && *s != ' ')
putc (' ', fp);
e = strchr (s, '\n');
if (e == NULL)
{
fputs (s, fp);
s = NULL;
}
else
{
fwrite (s, 1, e - s, fp);
s = e + 1;
}
putc ('\n', fp);
}
while (s != NULL);
}
}
}
/* Output mp->comment_dot as a set of comment lines. */
void
message_print_comment_dot (const message_ty *mp, FILE *fp)
{
if (mp->comment_dot != NULL)
{
size_t j;
for (j = 0; j < mp->comment_dot->nitems; ++j)
{
const char *s = mp->comment_dot->item[j];
putc ('#', fp);
putc ('.', fp);
if (*s != '\0' && *s != ' ')
putc (' ', fp);
fputs (s, fp);
putc ('\n', fp);
}
}
}
/* Output mp->filepos as a set of comment lines. */
void
message_print_comment_filepos (const message_ty *mp, FILE *fp,
bool uniforum, size_t page_width)
{
if (mp->filepos_count != 0)
{
if (uniforum)
{
size_t j;
for (j = 0; j < mp->filepos_count; ++j)
{
lex_pos_ty *pp = &mp->filepos[j];
char *cp = pp->file_name;
while (cp[0] == '.' && cp[1] == '/')
cp += 2;
/* There are two Sun formats to choose from: SunOS and
Solaris. Use the Solaris form here. */
fprintf (fp, "# File: %s, line: %ld\n",
cp, (long) pp->line_number);
}
}
else
{
size_t column;
size_t j;
fputs ("#:", fp);
column = 2;
for (j = 0; j < mp->filepos_count; ++j)
{
lex_pos_ty *pp;
char buffer[21];
char *cp;
size_t len;
pp = &mp->filepos[j];
cp = pp->file_name;
while (cp[0] == '.' && cp[1] == '/')
cp += 2;
/* Some xgettext input formats, like RST, lack line numbers. */
if (pp->line_number == (size_t)(-1))
buffer[0] = '\0';
else
sprintf (buffer, ":%ld", (long) pp->line_number);
len = strlen (cp) + strlen (buffer) + 1;
if (column > 2 && column + len >= page_width)
{
fputs ("\n#:", fp);
column = 2;
}
fprintf (fp, " %s%s", cp, buffer);
column += len;
}
putc ('\n', fp);
}
}
}
/* Output mp->is_fuzzy, mp->is_format, mp->do_wrap as a comment line. */
void
message_print_comment_flags (const message_ty *mp, FILE *fp, bool debug)
{
if ((mp->is_fuzzy && mp->msgstr[0] != '\0')
|| has_significant_format_p (mp->is_format)
|| mp->do_wrap == no)
{
bool first_flag = true;
size_t i;
putc ('#', fp);
putc (',', fp);
/* We don't print the fuzzy flag if the msgstr is empty. This
might be introduced by the user but we want to normalize the
output. */
if (mp->is_fuzzy && mp->msgstr[0] != '\0')
{
fputs (" fuzzy", fp);
first_flag = false;
}
for (i = 0; i < NFORMATS; i++)
if (significant_format_p (mp->is_format[i]))
{
if (!first_flag)
putc (',', fp);
fputs (make_format_description_string (mp->is_format[i],
format_language[i], debug),
fp);
first_flag = false;
}
if (mp->do_wrap == no)
{
if (!first_flag)
putc (',', fp);
fputs (make_c_width_description_string (mp->do_wrap), fp);
first_flag = false;
}
putc ('\n', fp);
}
}
/* ========= Some parameters for use by 'msgdomain_list_print_po'. ========= */
/* This variable controls the extent to which the page width applies.
True means it applies to message strings and file reference lines.
False means it applies to file reference lines only. */
static bool wrap_strings = true;
void
message_page_width_ignore ()
{
wrap_strings = false;
}
/* These three variables control the output style of the message_print
function. Interface functions for them are to be used. */
static bool indent = false;
static bool uniforum = false;
static bool escape = false;
void
message_print_style_indent ()
{
indent = true;
}
void
message_print_style_uniforum ()
{
uniforum = true;
}
void
message_print_style_escape (bool flag)
{
escape = flag;
}
/* =============== msgdomain_list_print_po() and subroutines. =============== */
/* A version of memcpy optimized for the case n <= 1. */
static inline void
memcpy_small (void *dst, const void *src, size_t n)
{
if (n > 0)
{
char *q = (char *) dst;
const char *p = (const char *) src;
*q = *p;
if (--n > 0)
do *++q = *++p; while (--n > 0);
}
}
static void
wrap (const message_ty *mp, FILE *fp, const char *line_prefix, int extra_indent,
const char *name, const char *value,
enum is_wrap do_wrap, size_t page_width,
const char *charset)
{
const char *canon_charset;
const char *s;
bool first_line;
#if HAVE_ICONV
const char *envval;
iconv_t conv;
#endif
bool weird_cjk;
canon_charset = po_charset_canonicalize (charset);
#if HAVE_ICONV
/* The old Solaris/openwin msgfmt and GNU msgfmt <= 0.10.35 don't know
about multibyte encodings, and require a spurious backslash after
every multibyte character whose last byte is 0x5C. Some programs,
like vim, distribute PO files in this broken format. It is important
for such programs that GNU msgmerge continues to support this old
PO file format when the Makefile requests it. */
envval = getenv ("OLD_PO_FILE_OUTPUT");
if (envval != NULL && *envval != '\0')
/* Write a PO file in old format, with extraneous backslashes. */
conv = (iconv_t)(-1);
else
if (canon_charset == NULL)
/* Invalid PO file encoding. */
conv = (iconv_t)(-1);
else
/* Avoid glibc-2.1 bug with EUC-KR. */
# if (__GLIBC__ - 0 == 2 && __GLIBC_MINOR__ - 0 <= 1) && !defined _LIBICONV_VERSION
if (strcmp (canon_charset, "EUC-KR") == 0)
conv = (iconv_t)(-1);
else
# endif
/* Avoid Solaris 2.9 bug with GB2312, EUC-TW, BIG5, BIG5-HKSCS, GBK,
GB18030. */
# if defined __sun && !defined _LIBICONV_VERSION
if ( strcmp (canon_charset, "GB2312") == 0
|| strcmp (canon_charset, "EUC-TW") == 0
|| strcmp (canon_charset, "BIG5") == 0
|| strcmp (canon_charset, "BIG5-HKSCS") == 0
|| strcmp (canon_charset, "GBK") == 0
|| strcmp (canon_charset, "GB18030") == 0)
conv = (iconv_t)(-1);
else
# endif
/* Use iconv() to parse multibyte characters. */
conv = iconv_open ("UTF-8", canon_charset);
if (conv != (iconv_t)(-1))
weird_cjk = false;
else
#endif
if (canon_charset == NULL)
weird_cjk = false;
else
weird_cjk = po_is_charset_weird_cjk (canon_charset);
if (canon_charset == NULL)
canon_charset = po_charset_ascii;
/* Loop over the '\n' delimited portions of value. */
s = value;
first_line = true;
do
{
/* The usual escapes, as defined by the ANSI C Standard. */
# define is_escape(c) \
((c) == '\a' || (c) == '\b' || (c) == '\f' || (c) == '\n' \
|| (c) == '\r' || (c) == '\t' || (c) == '\v')
const char *es;
const char *ep;
size_t portion_len;
char *portion;
char *overrides;
char *linebreaks;
char *pp;
char *op;
int startcol, startcol_after_break, width;
size_t i;
for (es = s; *es != '\0'; )
if (*es++ == '\n')
break;
/* Expand escape sequences in each portion. */
for (ep = s, portion_len = 0; ep < es; ep++)
{
char c = *ep;
if (is_escape (c))
portion_len += 2;
else if (escape && !c_isprint ((unsigned char) c))
portion_len += 4;
else if (c == '\\' || c == '"')
portion_len += 2;
else
{
#if HAVE_ICONV
if (conv != (iconv_t)(-1))
{
/* Skip over a complete multi-byte character. Don't
interpret the second byte of a multi-byte character as
ASCII. This is needed for the BIG5, BIG5-HKSCS, GBK,
GB18030, SHIFT_JIS, JOHAB encodings. */
char scratchbuf[64];
const char *inptr = ep;
size_t insize;
char *outptr = &scratchbuf[0];
size_t outsize = sizeof (scratchbuf);
size_t res;
res = (size_t)(-1);
for (insize = 1; inptr + insize <= es; insize++)
{
res = iconv (conv,
(ICONV_CONST char **) &inptr, &insize,
&outptr, &outsize);
if (!(res == (size_t)(-1) && errno == EINVAL))
break;
/* We expect that no input bytes have been consumed
so far. */
if (inptr != ep)
abort ();
}
if (res == (size_t)(-1))
{
if (errno == EILSEQ)
{
po_xerror (PO_SEVERITY_ERROR, mp, NULL, 0, 0, false,
_("invalid multibyte sequence"));
continue;
}
else
abort ();
}
insize = inptr - ep;
portion_len += insize;
ep += insize - 1;
}
else
#endif
{
if (weird_cjk
/* Special handling of encodings with CJK structure. */
&& ep + 2 <= es
&& (unsigned char) ep[0] >= 0x80
&& (unsigned char) ep[1] >= 0x30)
{
portion_len += 2;
ep += 1;
}
else
portion_len += 1;
}
}
}
portion = (char *) xmalloc (portion_len);
overrides = (char *) xmalloc (portion_len);
memset (overrides, UC_BREAK_UNDEFINED, portion_len);
for (ep = s, pp = portion, op = overrides; ep < es; ep++)
{
char c = *ep;
if (is_escape (c))
{
switch (c)
{
case '\a': c = 'a'; break;
case '\b': c = 'b'; break;
case '\f': c = 'f'; break;
case '\n': c = 'n'; break;
case '\r': c = 'r'; break;
case '\t': c = 't'; break;
case '\v': c = 'v'; break;
default: abort ();
}
*pp++ = '\\';
*pp++ = c;
op++;
*op++ = UC_BREAK_PROHIBITED;
/* We warn about any use of escape sequences beside
'\n' and '\t'. */
if (c != 'n' && c != 't')
{
char *error_message =
xasprintf (_("\
internationalized messages should not contain the `\\%c' escape sequence"),
c);
po_xerror (PO_SEVERITY_ERROR, mp, NULL, 0, 0, false,
error_message);
free (error_message);
}
}
else if (escape && !c_isprint ((unsigned char) c))
{
*pp++ = '\\';
*pp++ = '0' + (((unsigned char) c >> 6) & 7);
*pp++ = '0' + (((unsigned char) c >> 3) & 7);
*pp++ = '0' + ((unsigned char) c & 7);
op++;
*op++ = UC_BREAK_PROHIBITED;
*op++ = UC_BREAK_PROHIBITED;
*op++ = UC_BREAK_PROHIBITED;
}
else if (c == '\\' || c == '"')
{
*pp++ = '\\';
*pp++ = c;
op++;
*op++ = UC_BREAK_PROHIBITED;
}
else
{
#if HAVE_ICONV
if (conv != (iconv_t)(-1))
{
/* Copy a complete multi-byte character. Don't
interpret the second byte of a multi-byte character as
ASCII. This is needed for the BIG5, BIG5-HKSCS, GBK,
GB18030, SHIFT_JIS, JOHAB encodings. */
char scratchbuf[64];
const char *inptr = ep;
size_t insize;
char *outptr = &scratchbuf[0];
size_t outsize = sizeof (scratchbuf);
size_t res;
res = (size_t)(-1);
for (insize = 1; inptr + insize <= es; insize++)
{
res = iconv (conv,
(ICONV_CONST char **) &inptr, &insize,
&outptr, &outsize);
if (!(res == (size_t)(-1) && errno == EINVAL))
break;
/* We expect that no input bytes have been consumed
so far. */
if (inptr != ep)
abort ();
}
if (res == (size_t)(-1))
{
if (errno == EILSEQ)
{
po_xerror (PO_SEVERITY_ERROR, mp, NULL, 0, 0,
false, _("invalid multibyte sequence"));
continue;
}
else
abort ();
}
insize = inptr - ep;
memcpy_small (pp, ep, insize);
pp += insize;
op += insize;
ep += insize - 1;
}
else
#endif
{
if (weird_cjk
/* Special handling of encodings with CJK structure. */
&& ep + 2 <= es
&& (unsigned char) c >= 0x80
&& (unsigned char) ep[1] >= 0x30)
{
*pp++ = c;
ep += 1;
*pp++ = *ep;
op += 2;
}
else
{
*pp++ = c;
op++;
}
}
}
}
/* Don't break immediately before the "\n" at the end. */
if (es > s && es[-1] == '\n')
overrides[portion_len - 2] = UC_BREAK_PROHIBITED;
linebreaks = (char *) xmalloc (portion_len);
/* Subsequent lines after a break are all indented.
See INDENT-S. */
startcol_after_break = (line_prefix ? strlen (line_prefix) : 0);
if (indent)
startcol_after_break = (startcol_after_break + extra_indent + 8) & ~7;
startcol_after_break++;
/* The line width. Allow room for the closing quote character. */
width = (wrap_strings && do_wrap != no ? page_width : INT_MAX) - 1;
/* Adjust for indentation of subsequent lines. */
width -= startcol_after_break;
recompute:
/* The line starts with different things depending on whether it
is the first line, and if we are using the indented style.
See INDENT-F. */
startcol = (line_prefix ? strlen (line_prefix) : 0);
if (first_line)
{
startcol += strlen (name);
if (indent)
startcol = (startcol + extra_indent + 8) & ~7;
else
startcol++;
}
else
{
if (indent)
startcol = (startcol + extra_indent + 8) & ~7;
}
/* Allow room for the opening quote character. */
startcol++;
/* Adjust for indentation of subsequent lines. */
startcol -= startcol_after_break;
/* Do line breaking on the portion. */
mbs_width_linebreaks (portion, portion_len, width, startcol, 0,
overrides, canon_charset, linebreaks);
/* If this is the first line, and we are not using the indented
style, and the line would wrap, then use an empty first line
and restart. */
if (first_line && !indent
&& portion_len > 0
&& (*es != '\0'
|| startcol > width
|| memchr (linebreaks, UC_BREAK_POSSIBLE, portion_len) != NULL))
{
if (line_prefix != NULL)
fputs (line_prefix, fp);
fputs (name, fp);
fputs (" \"\"\n", fp);
first_line = false;
/* Recompute startcol and linebreaks. */
goto recompute;
}
/* Print the beginning of the line. This will depend on whether
this is the first line, and if the indented style is being
used. INDENT-F. */
if (line_prefix != NULL)
fputs (line_prefix, fp);
if (first_line)
{
fputs (name, fp);
if (indent)
{
if (extra_indent > 0)
fwrite (" ", 1, extra_indent, fp);
putc ('\t', fp);
}
else
putc (' ', fp);
first_line = false;
}
else
{
if (indent)
{
if (extra_indent > 0)
fwrite (" ", 1, extra_indent, fp);
putc ('\t', fp);
}
}
/* Print the portion itself, with linebreaks where necessary. */
putc ('"', fp);
for (i = 0; i < portion_len; i++)
{
if (linebreaks[i] == UC_BREAK_POSSIBLE)
{
fputs ("\"\n", fp);
/* INDENT-S. */
if (line_prefix != NULL)
fputs (line_prefix, fp);
if (indent)
putc ('\t', fp);
putc ('"', fp);
}
putc (portion[i], fp);
}
fputs ("\"\n", fp);
free (linebreaks);
free (overrides);
free (portion);
s = es;
# undef is_escape
}
while (*s);
#if HAVE_ICONV
if (conv != (iconv_t)(-1))
iconv_close (conv);
#endif
}
static void
print_blank_line (FILE *fp)
{
if (uniforum)
fputs ("#\n", fp);
else
putc ('\n', fp);
}
static void
message_print (const message_ty *mp, FILE *fp, const char *charset,
size_t page_width, bool blank_line, bool debug)
{
int extra_indent;
/* Separate messages with a blank line. Uniforum doesn't like blank
lines, so use an empty comment (unless there already is one). */
if (blank_line && (!uniforum
|| mp->comment == NULL
|| mp->comment->nitems == 0
|| mp->comment->item[0][0] != '\0'))
print_blank_line (fp);
/* Print translator comment if available. */
message_print_comment (mp, fp);
/* Print xgettext extracted comments. */
message_print_comment_dot (mp, fp);
/* Print the file position comments. This will help a human who is
trying to navigate the sources. There is no problem of getting
repeated positions, because duplicates are checked for. */
message_print_comment_filepos (mp, fp, uniforum, page_width);
/* Print flag information in special comment. */
message_print_comment_flags (mp, fp, debug);
/* Print the previous msgid. This helps the translator when the msgid has
only slightly changed. */
if (mp->prev_msgctxt != NULL)
wrap (mp, fp, "#| ", 0, "msgctxt", mp->prev_msgctxt, mp->do_wrap,
page_width, charset);
if (mp->prev_msgid != NULL)
wrap (mp, fp, "#| ", 0, "msgid", mp->prev_msgid, mp->do_wrap, page_width,
charset);
if (mp->prev_msgid_plural != NULL)
wrap (mp, fp, "#| ", 0, "msgid_plural", mp->prev_msgid_plural, mp->do_wrap,
page_width, charset);
extra_indent = (mp->prev_msgctxt != NULL || mp->prev_msgid != NULL
|| mp->prev_msgid_plural != NULL
? 3
: 0);
/* Print each of the message components. Wrap them nicely so they
are as readable as possible. If there is no recorded msgstr for
this domain, emit an empty string. */
if (mp->msgctxt != NULL && !is_ascii_string (mp->msgctxt)
&& po_charset_canonicalize (charset) != po_charset_utf8)
{
char *warning_message =
xasprintf (_("\
The following msgctxt contains non-ASCII characters.\n\
This will cause problems to translators who use a character encoding\n\
different from yours. Consider using a pure ASCII msgctxt instead.\n\
%s\n"), mp->msgctxt);
po_xerror (PO_SEVERITY_WARNING, mp, NULL, 0, 0, true, warning_message);
free (warning_message);
}
if (!is_ascii_string (mp->msgid)
&& po_charset_canonicalize (charset) != po_charset_utf8)
{
char *warning_message =
xasprintf (_("\
The following msgid contains non-ASCII characters.\n\
This will cause problems to translators who use a character encoding\n\
different from yours. Consider using a pure ASCII msgid instead.\n\
%s\n"), mp->msgid);
po_xerror (PO_SEVERITY_WARNING, mp, NULL, 0, 0, true, warning_message);
free (warning_message);
}
if (mp->msgctxt != NULL)
wrap (mp, fp, NULL, extra_indent, "msgctxt", mp->msgctxt, mp->do_wrap,
page_width, charset);
wrap (mp, fp, NULL, extra_indent, "msgid", mp->msgid, mp->do_wrap,
page_width, charset);
if (mp->msgid_plural != NULL)
wrap (mp, fp, NULL, extra_indent, "msgid_plural", mp->msgid_plural,
mp->do_wrap, page_width, charset);
if (mp->msgid_plural == NULL)
wrap (mp, fp, NULL, extra_indent, "msgstr", mp->msgstr, mp->do_wrap,
page_width, charset);
else
{
char prefix_buf[20];
unsigned int i;
const char *p;
for (p = mp->msgstr, i = 0;
p < mp->msgstr + mp->msgstr_len;
p += strlen (p) + 1, i++)
{
sprintf (prefix_buf, "msgstr[%u]", i);
wrap (mp, fp, NULL, extra_indent, prefix_buf, p, mp->do_wrap,
page_width, charset);
}
}
}
static void
message_print_obsolete (const message_ty *mp, FILE *fp, const char *charset,
size_t page_width, bool blank_line)
{
int extra_indent;
/* If msgstr is the empty string we print nothing. */
if (mp->msgstr[0] == '\0')
return;
/* Separate messages with a blank line. Uniforum doesn't like blank
lines, so use an empty comment (unless there already is one). */
if (blank_line)
print_blank_line (fp);
/* Print translator comment if available. */
message_print_comment (mp, fp);
/* Print xgettext extracted comments (normally empty). */
message_print_comment_dot (mp, fp);
/* Print the file position comments (normally empty). */
message_print_comment_filepos (mp, fp, uniforum, page_width);
/* Print flag information in special comment. */
if (mp->is_fuzzy)
{
bool first = true;
putc ('#', fp);
putc (',', fp);
if (mp->is_fuzzy)
{
fputs (" fuzzy", fp);
first = false;
}
putc ('\n', fp);
}
/* Print the previous msgid. This helps the translator when the msgid has
only slightly changed. */
if (mp->prev_msgctxt != NULL)
wrap (mp, fp, "#~| ", 0, "msgctxt", mp->prev_msgctxt, mp->do_wrap,
page_width, charset);
if (mp->prev_msgid != NULL)
wrap (mp, fp, "#~| ", 0, "msgid", mp->prev_msgid, mp->do_wrap, page_width,
charset);
if (mp->prev_msgid_plural != NULL)
wrap (mp, fp, "#~| ", 0, "msgid_plural", mp->prev_msgid_plural, mp->do_wrap,
page_width, charset);
extra_indent = (mp->prev_msgctxt != NULL || mp->prev_msgid != NULL
|| mp->prev_msgid_plural != NULL
? 1
: 0);
/* Print each of the message components. Wrap them nicely so they
are as readable as possible. */
if (mp->msgctxt != NULL && !is_ascii_string (mp->msgctxt)
&& po_charset_canonicalize (charset) != po_charset_utf8)
{
char *warning_message =
xasprintf (_("\
The following msgctxt contains non-ASCII characters.\n\
This will cause problems to translators who use a character encoding\n\
different from yours. Consider using a pure ASCII msgctxt instead.\n\
%s\n"), mp->msgctxt);
po_xerror (PO_SEVERITY_WARNING, mp, NULL, 0, 0, true, warning_message);
free (warning_message);
}
if (!is_ascii_string (mp->msgid)
&& po_charset_canonicalize (charset) != po_charset_utf8)
{
char *warning_message =
xasprintf (_("\
The following msgid contains non-ASCII characters.\n\
This will cause problems to translators who use a character encoding\n\
different from yours. Consider using a pure ASCII msgid instead.\n\
%s\n"), mp->msgid);
po_xerror (PO_SEVERITY_WARNING, mp, NULL, 0, 0, true, warning_message);
free (warning_message);
}
if (mp->msgctxt != NULL)
wrap (mp, fp, "#~ ", extra_indent, "msgctxt", mp->msgctxt, mp->do_wrap,
page_width, charset);
wrap (mp, fp, "#~ ", extra_indent, "msgid", mp->msgid, mp->do_wrap,
page_width, charset);
if (mp->msgid_plural != NULL)
wrap (mp, fp, "#~ ", extra_indent, "msgid_plural", mp->msgid_plural,
mp->do_wrap, page_width, charset);
if (mp->msgid_plural == NULL)
wrap (mp, fp, "#~ ", extra_indent, "msgstr", mp->msgstr, mp->do_wrap,
page_width, charset);
else
{
char prefix_buf[20];
unsigned int i;
const char *p;
for (p = mp->msgstr, i = 0;
p < mp->msgstr + mp->msgstr_len;
p += strlen (p) + 1, i++)
{
sprintf (prefix_buf, "msgstr[%u]", i);
wrap (mp, fp, "#~ ", extra_indent, prefix_buf, p, mp->do_wrap,
page_width, charset);
}
}
}
static void
msgdomain_list_print_po (msgdomain_list_ty *mdlp, FILE *fp, size_t page_width,
bool debug)
{
size_t j, k;
bool blank_line;
/* Write out the messages for each domain. */
blank_line = false;
for (k = 0; k < mdlp->nitems; k++)
{
message_list_ty *mlp;
const char *header;
const char *charset;
char *allocated_charset;
/* If the first domain is the default, don't bother emitting
the domain name, because it is the default. */
if (!(k == 0
&& strcmp (mdlp->item[k]->domain, MESSAGE_DOMAIN_DEFAULT) == 0))
{
if (blank_line)
print_blank_line (fp);
fprintf (fp, "domain \"%s\"\n", mdlp->item[k]->domain);
blank_line = true;
}
mlp = mdlp->item[k]->messages;
/* Search the header entry. */
header = NULL;
for (j = 0; j < mlp->nitems; ++j)
if (is_header (mlp->item[j]) && !mlp->item[j]->obsolete)
{
header = mlp->item[j]->msgstr;
break;
}
/* Extract the charset name. */
charset = "ASCII";
allocated_charset = NULL;
if (header != NULL)
{
const char *charsetstr = c_strstr (header, "charset=");
if (charsetstr != NULL)
{
size_t len;
charsetstr += strlen ("charset=");
len = strcspn (charsetstr, " \t\n");
allocated_charset = (char *) xallocsa (len + 1);
memcpy (allocated_charset, charsetstr, len);
allocated_charset[len] = '\0';
charset = allocated_charset;
/* Treat the dummy default value as if it were absent. */
if (strcmp (charset, "CHARSET") == 0)
charset = "ASCII";
}
}
/* Write out each of the messages for this domain. */
for (j = 0; j < mlp->nitems; ++j)
if (!mlp->item[j]->obsolete)
{
message_print (mlp->item[j], fp, charset, page_width, blank_line,
debug);
blank_line = true;
}
/* Write out each of the obsolete messages for this domain. */
for (j = 0; j < mlp->nitems; ++j)
if (mlp->item[j]->obsolete)
{
message_print_obsolete (mlp->item[j], fp, charset, page_width,
blank_line);
blank_line = true;
}
if (allocated_charset != NULL)
freesa (allocated_charset);
}
}
/* Describes a PO file in .po syntax. */
const struct catalog_output_format output_format_po =
{
msgdomain_list_print_po, /* print */
false, /* requires_utf8 */
true, /* supports_multiple_domains */
true, /* supports_contexts */
true, /* supports_plurals */
false, /* alternative_is_po */
false /* alternative_is_java_class */
};