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/*
* "$Id: po2strings.c 10996 2013-05-29 11:51:34Z msweet $"
*
* Convert a GNU gettext .po file to an Apple .strings file.
*
* Copyright 2007-2012 by Apple Inc.
*
* These coded instructions, statements, and computer programs are the
* property of Apple Inc. and are protected by Federal copyright
* law. Distribution and use rights are outlined in the file "LICENSE.txt"
* which should have been included with this file. If this file is
* file is missing or damaged, see the license at "http://www.cups.org/".
*
* Usage:
*
* po2strings filename.strings filename.po
*
* Compile with:
*
* gcc -o po2strings po2strings.c `cups-config --libs`
*
* Contents:
*
* main() - Convert .po file to .strings.
*/
#include <cups/cups-private.h>
/*
* The .strings file format is simple:
*
* // comment
* "msgid" = "msgstr";
*
* The GNU gettext .po format is also fairly simple:
*
* #. comment
* msgid "some text"
* msgstr "localized text"
*
* The comment, msgid, and msgstr text can span multiple lines using the form:
*
* #. comment
* #. more comments
* msgid ""
* "some long text"
* msgstr ""
* "localized text spanning "
* "multiple lines"
*
* Both the msgid and msgstr strings use standard C quoting for special
* characters like newline and the double quote character.
*/
/*
* main() - Convert .po file to .strings.
*/
int /* O - Exit code */
main(int argc, /* I - Number of command-line args */
char *argv[]) /* I - Command-line arguments */
{
int i; /* Looping var */
const char *pofile, /* .po filename */
*stringsfile; /* .strings filename */
cups_file_t *po, /* .po file */
*strings; /* .strings file */
char s[4096], /* String buffer */
*ptr, /* Pointer into buffer */
*temp, /* New string */
*msgid, /* msgid string */
*msgstr; /* msgstr string */
int length; /* Length of combined strings */
int use_msgid; /* Use msgid strings for msgstr? */
/*
* Process command-line arguments...
*/
pofile = NULL;
stringsfile = NULL;
use_msgid = 0;
for (i = 1; i < argc; i ++)
{
if (!strcmp(argv[i], "-m"))
use_msgid = 1;
else if (argv[i][0] == '-')
{
puts("Usage: po2strings [-m] filename.po filename.strings");
return (1);
}
else if (!pofile)
pofile = argv[i];
else if (!stringsfile)
stringsfile = argv[i];
else
{
puts("Usage: po2strings [-m] filename.po filename.strings");
return (1);
}
}
if (!pofile || !stringsfile)
{
puts("Usage: po2strings [-m] filename.po filename.strings");
return (1);
}
/*
* Read strings from the .po file and write to the .strings file...
*/
if ((po = cupsFileOpen(pofile, "r")) == NULL)
{
perror(pofile);
return (1);
}
if ((strings = cupsFileOpen(stringsfile, "w")) == NULL)
{
perror(stringsfile);
cupsFileClose(po);
return (1);
}
msgid = msgstr = NULL;
while (cupsFileGets(po, s, sizeof(s)) != NULL)
{
if (s[0] == '#' && s[1] == '.')
{
/*
* Copy comment string...
*/
if (msgid && msgstr)
{
/*
* First output the last localization string...
*/
if (*msgid)
cupsFilePrintf(strings, "\"%s\" = \"%s\";\n", msgid,
(use_msgid || !*msgstr) ? msgid : msgstr);
free(msgid);
free(msgstr);
msgid = msgstr = NULL;
}
cupsFilePrintf(strings, "//%s\n", s + 2);
}
else if (s[0] == '#' || !s[0])
{
/*
* Skip blank and file comment lines...
*/
continue;
}
else
{
/*
* Strip the trailing quote...
*/
if ((ptr = strrchr(s, '\"')) == NULL)
continue;
*ptr = '\0';
/*
* Find start of value...
*/
if ((ptr = strchr(s, '\"')) == NULL)
continue;
ptr ++;
/*
* Create or add to a message...
*/
if (!strncmp(s, "msgid", 5))
{
/*
* Output previous message as needed...
*/
if (msgid && msgstr)
{
if (*msgid)
cupsFilePrintf(strings, "\"%s\" = \"%s\";\n", msgid,
(use_msgid || !*msgstr) ? msgid : msgstr);
}
if (msgid)
free(msgid);
if (msgstr)
free(msgstr);
msgid = strdup(ptr);
msgstr = NULL;
}
else if (s[0] == '\"' && (msgid || msgstr))
{
/*
* Append to current string...
*/
size_t ptrlen = strlen(ptr); /* Length of string */
length = (int)strlen(msgstr ? msgstr : msgid);
if ((temp = realloc(msgstr ? msgstr : msgid,
length + ptrlen + 1)) == NULL)
{
free(msgid);
if (msgstr)
free(msgstr);
perror("Unable to allocate string");
return (1);
}
if (msgstr)
{
/*
* Copy the new portion to the end of the msgstr string - safe
* to use strcpy because the buffer is allocated to the correct
* size...
*/
msgstr = temp;
memcpy(msgstr + length, ptr, ptrlen + 1);
}
else
{
/*
* Copy the new portion to the end of the msgid string - safe
* to use strcpy because the buffer is allocated to the correct
* size...
*/
msgid = temp;
memcpy(msgid + length, ptr, ptrlen + 1);
}
}
else if (!strncmp(s, "msgstr", 6) && msgid)
{
/*
* Set the string...
*/
if (msgstr)
free(msgstr);
if ((msgstr = strdup(ptr)) == NULL)
{
free(msgid);
perror("Unable to allocate msgstr");
return (1);
}
}
}
}
if (msgid && msgstr)
{
if (*msgid)
cupsFilePrintf(strings, "\"%s\" = \"%s\";\n", msgid,
(use_msgid || !*msgstr) ? msgid : msgstr);
}
if (msgid)
free(msgid);
if (msgstr)
free(msgstr);
cupsFileClose(po);
cupsFileClose(strings);
return (0);
}
/*
* End of "$Id: po2strings.c 10996 2013-05-29 11:51:34Z msweet $".
*/
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