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Diffstat (limited to 'src/read-java.c')
-rw-r--r-- | src/read-java.c | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/src/read-java.c b/src/read-java.c new file mode 100644 index 0000000..a2f3dfc --- /dev/null +++ b/src/read-java.c @@ -0,0 +1,137 @@ +/* Reading Java ResourceBundles. + Copyright (C) 2001 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +/* Specification. */ +#include "read-java.h" + +#include <stdbool.h> +#include <stdio.h> +#include <stdlib.h> +#include <errno.h> + +#include "msgunfmt.h" +#include "javaexec.h" +#include "pipe.h" +#include "wait-process.h" +#include "read-po.h" +#include "error.h" +#include "system.h" +#include "libgettext.h" + +#define _(str) gettext (str) + + +/* Prototypes for local functions. Needed to ensure compiler checking of + function argument counts despite of K&R C function definition syntax. */ +static bool execute_and_read_po_output PARAMS ((const char *progname, + const char *prog_path, + char **prog_argv, + void *private_data)); + + +/* A Java resource name can only be manipulated by a Java virtual machine. + So we start a JVM to execute the DumpResource program, and read its + output, which is .po format without comments. */ + +struct locals +{ + /* OUT */ + msgdomain_list_ty *mdlp; +}; + +static bool +execute_and_read_po_output (progname, prog_path, prog_argv, private_data) + const char *progname; + const char *prog_path; + char **prog_argv; + void *private_data; +{ + struct locals *l = (struct locals *) private_data; + pid_t child; + int fd[1]; + FILE *fp; + int exitstatus; + + /* Open a pipe to the JVM. */ + child = create_pipe_in (progname, prog_path, prog_argv, "/dev/null", fd); + + fp = fdopen (fd[0], "r"); + if (fp == NULL) + error (EXIT_FAILURE, errno, _("fdopen() failed")); + + /* Read the message list. */ + l->mdlp = read_po (fp, "(pipe)", "(pipe)"); + + fclose (fp); + + /* Remove zombie process from process list, and retrieve exit status. */ + exitstatus = wait_subprocess (child, progname); + if (exitstatus != 0) + error (EXIT_FAILURE, 0, _("%s subprocess failed with exit code %d"), + progname, exitstatus); + + return 0; +} + + +msgdomain_list_ty * +msgdomain_read_java (resource_name, locale_name) + const char *resource_name; + const char *locale_name; +{ + const char *class_name = "gnu.gettext.DumpResource"; + const char *gettextjar; + const char *args[3]; + struct locals locals; + + /* Make it possible to override the gettext.jar location. This is + necessary for running the testsuite before "make install". */ + gettextjar = getenv ("GETTEXTJAR"); + if (gettextjar == NULL || gettextjar[0] == '\0') + gettextjar = GETTEXTJAR; + + /* Assign a default value to the resource name. */ + if (resource_name == NULL) + resource_name = "Messages"; + + /* Prepare arguments. */ + args[0] = resource_name; + if (locale_name != NULL) + { + args[1] = locale_name; + args[2] = NULL; + } + else + args[1] = NULL; + + /* Dump the resource and retrieve the resulting output. + Here we use the user's CLASSPATH, not a minimal one, so that the + resource can be found. */ + if (execute_java_class (class_name, &gettextjar, 1, false, + args, + verbose, + execute_and_read_po_output, &locals)) + /* An error message should already have been provided. */ + exit (EXIT_FAILURE); + + return locals.mdlp; +} |