text: /* Reading C# .resources files.
     Copyright (C) 2003, 2006-2008 Free Software Foundation, Inc.
     Written by Bruno Haible <bruno@clisp.org>, 2003.
  
     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 3 of the License, 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, see <http://www.gnu.org/licenses/>.  */
  
  #ifdef HAVE_CONFIG_H
  # include <config.h>
  #endif
  
  /* Specification.  */
  #include "read-resources.h"
  
  #include <errno.h>
  #include <stdbool.h>
  #include <stdlib.h>
  #include <stdio.h>
  
  #include "msgunfmt.h"
  #include "relocatable.h"
  #include "csharpexec.h"
  #include "pipe.h"
  #include "wait-process.h"
  #include "read-catalog.h"
  #include "read-po.h"
  #include "message.h"
  #include "concat-filename.h"
  #include "error.h"
  #include "gettext.h"
  
  #define _(str) gettext (str)
  
  
  /* A .resources file has such a complex format that it's most easily read
     through the C# class ResourceReader.  So we start a C# process 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 (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 C# execution engine.  */
    child = create_pipe_in (progname, prog_path, prog_argv, NULL, false,
                            true, true, fd);
  
    fp = fdopen (fd[0], "r");
    if (fp == NULL)
      error (EXIT_FAILURE, errno, _("fdopen() failed"));
  
    /* Read the message list.  */
    l->mdlp = read_catalog_stream (fp, "(pipe)", "(pipe)", &input_format_po);
  
    fclose (fp);
  
    /* Remove zombie process from process list, and retrieve exit status.  */
    exitstatus =
      wait_subprocess (child, progname, false, false, true, true, NULL);
    if (exitstatus != 0)
      error (EXIT_FAILURE, 0, _("%s subprocess failed with exit code %d"),
             progname, exitstatus);
  
    return false;
  }
  
  
  void
  read_resources_file (message_list_ty *mlp, const char *filename)
  {
    const char *args[2];
    const char *gettextexedir;
    const char *gettextlibdir;
    char *assembly_path;
    const char *libdirs[1];
    struct locals locals;
  
    /* Prepare arguments.  */
    args[0] = filename;
    args[1] = NULL;
  
    /* Make it possible to override the .exe location.  This is
       necessary for running the testsuite before "make install".  */
    gettextexedir = getenv ("GETTEXTCSHARPEXEDIR");
    if (gettextexedir == NULL || gettextexedir[0] == '\0')
      gettextexedir = relocate (LIBDIR "/gettext");
  
    /* Make it possible to override the .dll location.  This is
       necessary for running the testsuite before "make install".  */
    gettextlibdir = getenv ("GETTEXTCSHARPLIBDIR");
    if (gettextlibdir == NULL || gettextlibdir[0] == '\0')
      gettextlibdir = relocate (LIBDIR);
  
    /* Dump the resource and retrieve the resulting output.  */
    assembly_path =
      xconcatenated_filename (gettextexedir, "msgunfmt.net", ".exe");
    libdirs[0] = gettextlibdir;
    if (execute_csharp_program (assembly_path, libdirs, 1,
                                args,
                                verbose, false,
                                execute_and_read_po_output, &locals))
      /* An error message should already have been provided.  */
      exit (EXIT_FAILURE);
  
    /* Add the output to mlp.  */
    {
      message_list_ty *read_mlp = locals.mdlp->item[0]->messages;
      size_t j;
  
      for (j = 0; j < read_mlp->nitems; j++)
        message_list_append (mlp, read_mlp->item[j]);
    }
  
    free (assembly_path);
  }
  