gio/glib-compile-resources.c

   1 /*
   2  * Copyright © 2011 Red Hat, Inc
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2 of the licence, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the
  16  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  17  * Boston, MA 02111-1307, USA.
  18  *
  19  * Author: Alexander Larsson <alexl@redhat.com>
  20  */
  21
  22 #include "config.h"
  23
  24 #include <glib.h>
  25 #include <gstdio.h>
  26 #include <gi18n.h>
  27 #include <gioenums.h>
  28
  29 #include <string.h>
  30 #include <stdio.h>
  31 #include <locale.h>
  32 #include <errno.h>
  33 #ifdef G_OS_WIN32
  34 #include <io.h>
  35 #endif
  36
  37 #include <gio/gmemoryoutputstream.h>
  38 #include <gio/gzlibcompressor.h>
  39 #include <gio/gconverteroutputstream.h>
  40
  41 #ifdef HAVE_UNISTD_H
  42 #include <unistd.h>
  43 #endif
  44
  45 #include <glib.h>
  46 #include "gvdb/gvdb-builder.h"
  47
  48 #include "gconstructor_as_data.h"
  49
  50 #ifdef G_OS_WIN32
  51 #include "glib/glib-private.h"
  52 #endif
  53
  54 typedef struct
  55 {
  56   char *filename;
  57   char *content;
  58   gsize content_size;
  59   gsize size;
  60   guint32 flags;
  61 } FileData;
  62
  63 typedef struct
  64 {
  65   GHashTable *table; /* resource path -> FileData */
  66
  67   gboolean collect_data;
  68
  69   /* per gresource */
  70   char *prefix;
  71
  72   /* per file */
  73   char *alias;
  74   gboolean compressed;
  75   char *preproc_options;
  76
  77   GString *string;  /* non-NULL when accepting text */
  78 } ParseState;
  79
  80 static gchar **sourcedirs = NULL;
  81 static gchar *xmllint = NULL;
  82 static gchar *gdk_pixbuf_pixdata = NULL;
  83
  84 static void
  85 file_data_free (FileData *data)
  86 {
  87   g_free (data->filename);
  88   g_free (data->content);
  89   g_free (data);
  90 }
  91
  92 static void
  93 start_element (GMarkupParseContext  *context,
  94                const gchar          *element_name,
  95                const gchar         **attribute_names,
  96                const gchar         **attribute_values,
  97                gpointer              user_data,
  98                GError              **error)
  99 {
 100   ParseState *state = user_data;
 101   const GSList *element_stack;
 102   const gchar *container;
 103
 104   element_stack = g_markup_parse_context_get_element_stack (context);
 105   container = element_stack->next ? element_stack->next->data : NULL;
 106
 107 #define COLLECT(first, ...) \
 108   g_markup_collect_attributes (element_name,                                 \
 109                                attribute_names, attribute_values, error,     \
 110                                first, __VA_ARGS__, G_MARKUP_COLLECT_INVALID)
 111 #define OPTIONAL   G_MARKUP_COLLECT_OPTIONAL
 112 #define STRDUP     G_MARKUP_COLLECT_STRDUP
 113 #define STRING     G_MARKUP_COLLECT_STRING
 114 #define BOOL       G_MARKUP_COLLECT_BOOLEAN
 115 #define NO_ATTRS()  COLLECT (G_MARKUP_COLLECT_INVALID, NULL)
 116
 117   if (container == NULL)
 118     {
 119       if (strcmp (element_name, "gresources") == 0)
 120         return;
 121     }
 122   else if (strcmp (container, "gresources") == 0)
 123     {
 124       if (strcmp (element_name, "gresource") == 0)
 125         {
 126           COLLECT (OPTIONAL | STRDUP,
 127                    "prefix", &state->prefix);
 128           return;
 129         }
 130     }
 131   else if (strcmp (container, "gresource") == 0)
 132     {
 133       if (strcmp (element_name, "file") == 0)
 134         {
 135           COLLECT (OPTIONAL | STRDUP, "alias", &state->alias,
 136                    OPTIONAL | BOOL, "compressed", &state->compressed,
 137                    OPTIONAL | STRDUP, "preprocess", &state->preproc_options);
 138           state->string = g_string_new ("");
 139           return;
 140         }
 141     }
 142
 143   if (container)
 144     g_set_error (error, G_MARKUP_ERROR, G_MARKUP_ERROR_UNKNOWN_ELEMENT,
 145                  _("Element <%s> not allowed inside <%s>"),
 146                  element_name, container);
 147   else
 148     g_set_error (error, G_MARKUP_ERROR, G_MARKUP_ERROR_UNKNOWN_ELEMENT,
 149                  _("Element <%s> not allowed at toplevel"), element_name);
 150
 151 }
 152
 153 static GvdbItem *
 154 get_parent (GHashTable *table,
 155             gchar      *key,
 156             gint        length)
 157 {
 158   GvdbItem *grandparent, *parent;
 159
 160   if (length == 1)
 161     return NULL;
 162
 163   while (key[--length - 1] != '/');
 164   key[length] = '\0';
 165
 166   parent = g_hash_table_lookup (table, key);
 167
 168   if (parent == NULL)
 169     {
 170       parent = gvdb_hash_table_insert (table, key);
 171
 172       grandparent = get_parent (table, key, length);
 173
 174       if (grandparent != NULL)
 175         gvdb_item_set_parent (parent, grandparent);
 176     }
 177
 178   return parent;
 179 }
 180
 181 static gchar *
 182 find_file (const gchar *filename)
 183 {
 184   guint i;
 185   gchar *real_file;
 186   gboolean exists;
 187
 188   if (g_path_is_absolute (filename))
 189     return g_strdup (filename);
 190
 191   /* search all the sourcedirs for the correct files in order */
 192   for (i = 0; sourcedirs[i] != NULL; i++)
 193     {
 194         real_file = g_build_filename (sourcedirs[i], filename, NULL);
 195         exists = g_file_test (real_file, G_FILE_TEST_EXISTS);
 196         if (exists)
 197           return real_file;
 198         g_free (real_file);
 199     }
 200     return NULL;
 201 }
 202
 203 static void
 204 end_element (GMarkupParseContext  *context,
 205              const gchar          *element_name,
 206              gpointer              user_data,
 207              GError              **error)
 208 {
 209   ParseState *state = user_data;
 210   GError *my_error = NULL;
 211
 212   if (strcmp (element_name, "gresource") == 0)
 213     {
 214       g_free (state->prefix);
 215       state->prefix = NULL;
 216     }
 217
 218   else if (strcmp (element_name, "file") == 0)
 219     {
 220       gchar *file, *real_file;
 221       gchar *key;
 222       FileData *data;
 223       char *tmp_file = NULL;
 224       char *tmp_file2 = NULL;
 225
 226       file = state->string->str;
 227       key = file;
 228       if (state->alias)
 229         key = state->alias;
 230
 231       if (state->prefix)
 232         key = g_build_path ("/", "/", state->prefix, key, NULL);
 233       else
 234         key = g_build_path ("/", "/", key, NULL);
 235
 236       if (g_hash_table_lookup (state->table, key) != NULL)
 237         {
 238           g_set_error (error, G_MARKUP_ERROR, G_MARKUP_ERROR_INVALID_CONTENT,
 239                        _("File %s appears multiple times in the resource"),
 240                        key);
 241           return;
 242         }
 243
 244       data = g_new0 (FileData, 1);
 245
 246       if (sourcedirs != NULL)
 247         {
 248           real_file = find_file (file);
 249           if (real_file == NULL)
 250             {
 251                 g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
 252                              _("Failed to locate '%s' in any source directory"), file);
 253                 return;
 254             }
 255         }
 256       else
 257         {
 258           gboolean exists;
 259           exists = g_file_test (file, G_FILE_TEST_EXISTS);
 260           if (!exists)
 261             {
 262               g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
 263                            _("Failed to locate '%s' in current directory"), file);
 264               return;
 265             }
 266           real_file = g_strdup (file);
 267         }
 268
 269       data->filename = g_strdup (real_file);
 270       if (!state->collect_data)
 271         goto done;
 272
 273       if (state->preproc_options)
 274         {
 275           gchar **options;
 276           guint i;
 277           gboolean xml_stripblanks = FALSE;
 278           gboolean to_pixdata = FALSE;
 279
 280           options = g_strsplit (state->preproc_options, ",", -1);
 281
 282           for (i = 0; options[i]; i++)
 283             {
 284               if (!strcmp (options[i], "xml-stripblanks"))
 285                 xml_stripblanks = TRUE;
 286               else if (!strcmp (options[i], "to-pixdata"))
 287                 to_pixdata = TRUE;
 288               else
 289                 {
 290                   g_set_error (error, G_MARKUP_ERROR, G_MARKUP_ERROR_INVALID_CONTENT,
 291                                _("Unknown processing option \"%s\""), options[i]);
 292                   g_strfreev (options);
 293                   goto cleanup;
 294                 }
 295             }
 296           g_strfreev (options);
 297
 298           if (xml_stripblanks && xmllint != NULL)
 299             {
 300               gchar *argv[8];
 301               int status, fd, argc;
 302               gchar *stderr_child = NULL;
 303
 304               tmp_file = g_strdup ("resource-XXXXXXXX");
 305               if ((fd = g_mkstemp (tmp_file)) == -1)
 306                 {
 307                   int errsv = errno;
 308
 309                   g_set_error (error, G_IO_ERROR, g_io_error_from_errno (errsv),
 310                                _("Failed to create temp file: %s"),
 311                               g_strerror (errsv));
 312                   g_free (tmp_file);
 313                   tmp_file = NULL;
 314                   goto cleanup;
 315                 }
 316               close (fd);
 317
 318               argc = 0;
 319               argv[argc++] = (gchar *) xmllint;
 320               argv[argc++] = "--nonet";
 321               argv[argc++] = "--noblanks";
 322               argv[argc++] = "--output";
 323               argv[argc++] = tmp_file;
 324               argv[argc++] = real_file;
 325               argv[argc++] = NULL;
 326               g_assert (argc <= G_N_ELEMENTS (argv));
 327
 328               if (!g_spawn_sync (NULL /* cwd */, argv, NULL /* envv */,
 329                                  G_SPAWN_STDOUT_TO_DEV_NULL,
 330                                  NULL, NULL, NULL, &stderr_child, &status, &my_error))
 331                 {
 332                   g_propagate_error (error, my_error);
 333                   goto cleanup;
 334                 }
 335
 336               /* Ugly...we shoud probably just let stderr be inherited */
 337               if (!g_spawn_check_exit_status (status, NULL))
 338                 {
 339                   g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
 340                                _("Error processing input file with xmllint:\n%s"), stderr_child);
 341                   g_free (stderr_child);
 342                   goto cleanup;
 343                 }
 344
 345               g_free (stderr_child);
 346               g_free (real_file);
 347               real_file = g_strdup (tmp_file);
 348             }
 349
 350           if (to_pixdata)
 351             {
 352               gchar *argv[4];
 353               gchar *stderr_child = NULL;
 354               int status, fd, argc;
 355
 356               if (gdk_pixbuf_pixdata == NULL)
 357                 {
 358                   g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_FAILED,
 359                                        "to-pixbuf preprocessing requested but GDK_PIXBUF_PIXDATA "
 360                                        "not set and gdk-pixbuf-pixdata not found in path");
 361                   goto cleanup;
 362                 }
 363
 364               tmp_file2 = g_strdup ("resource-XXXXXXXX");
 365               if ((fd = g_mkstemp (tmp_file2)) == -1)
 366                 {
 367                   int errsv = errno;
 368
 369                   g_set_error (error, G_IO_ERROR, g_io_error_from_errno (errsv),
 370                                _("Failed to create temp file: %s"),
 371                                g_strerror (errsv));
 372                   g_free (tmp_file2);
 373                   tmp_file2 = NULL;
 374                   goto cleanup;
 375                 }
 376               close (fd);
 377
 378               argc = 0;
 379               argv[argc++] = (gchar *) gdk_pixbuf_pixdata;
 380               argv[argc++] = real_file;
 381               argv[argc++] = tmp_file2;
 382               argv[argc++] = NULL;
 383               g_assert (argc <= G_N_ELEMENTS (argv));
 384
 385               if (!g_spawn_sync (NULL /* cwd */, argv, NULL /* envv */,
 386                                  G_SPAWN_STDOUT_TO_DEV_NULL,
 387                                  NULL, NULL, NULL, &stderr_child, &status, &my_error))
 388                 {
 389                   g_propagate_error (error, my_error);
 390                   goto cleanup;
 391                 }
 392
 393               if (!g_spawn_check_exit_status (status, NULL))
 394                 {
 395                   g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
 396                                _("Error processing input file with to-pixdata:\n%s"), stderr_child);
 397                   g_free (stderr_child);
 398                   goto cleanup;
 399                 }
 400
 401               g_free (stderr_child);
 402               g_free (real_file);
 403               real_file = g_strdup (tmp_file2);
 404             }
 405         }
 406
 407       if (!g_file_get_contents (real_file, &data->content, &data->size, &my_error))
 408         {
 409           g_set_error (error, G_MARKUP_ERROR, G_MARKUP_ERROR_INVALID_CONTENT,
 410                        _("Error reading file %s: %s"),
 411                        real_file, my_error->message);
 412           g_clear_error (&my_error);
 413           goto cleanup;
 414         }
 415       /* Include zero termination in content_size for uncompressed files (but not in size) */
 416       data->content_size = data->size + 1;
 417
 418       if (state->compressed)
 419         {
 420           GOutputStream *out = g_memory_output_stream_new (NULL, 0, g_realloc, g_free);
 421           GZlibCompressor *compressor =
 422             g_zlib_compressor_new (G_ZLIB_COMPRESSOR_FORMAT_ZLIB, 9);
 423           GOutputStream *out2 = g_converter_output_stream_new (out, G_CONVERTER (compressor));
 424
 425           if (!g_output_stream_write_all (out2, data->content, data->size,
 426                                           NULL, NULL, NULL) ||
 427               !g_output_stream_close (out2, NULL, NULL))
 428             {
 429               g_set_error (error, G_MARKUP_ERROR, G_MARKUP_ERROR_INVALID_CONTENT,
 430                            _("Error compressing file %s"),
 431                            real_file);
 432               goto cleanup;
 433             }
 434
 435           g_free (data->content);
 436           data->content_size = g_memory_output_stream_get_size (G_MEMORY_OUTPUT_STREAM (out));
 437           data->content = g_memory_output_stream_steal_data (G_MEMORY_OUTPUT_STREAM (out));
 438
 439           g_object_unref (compressor);
 440           g_object_unref (out);
 441           g_object_unref (out2);
 442
 443           data->flags |= G_RESOURCE_FLAGS_COMPRESSED;
 444         }
 445
 446     done:
 447
 448       g_hash_table_insert (state->table, key, data);
 449
 450     cleanup:
 451       /* Cleanup */
 452
 453       g_free (state->alias);
 454       state->alias = NULL;
 455       g_string_free (state->string, TRUE);
 456       state->string = NULL;
 457       g_free (state->preproc_options);
 458       state->preproc_options = NULL;
 459
 460       g_free (real_file);
 461
 462       if (tmp_file)
 463         {
 464           unlink (tmp_file);
 465           g_free (tmp_file);
 466         }
 467
 468       if (tmp_file2)
 469         {
 470           unlink (tmp_file2);
 471           g_free (tmp_file2);
 472         }
 473     }
 474 }
 475
 476 static void
 477 text (GMarkupParseContext  *context,
 478       const gchar          *text,
 479       gsize                 text_len,
 480       gpointer              user_data,
 481       GError              **error)
 482 {
 483   ParseState *state = user_data;
 484   gsize i;
 485
 486   for (i = 0; i < text_len; i++)
 487     if (!g_ascii_isspace (text[i]))
 488       {
 489         if (state->string)
 490           g_string_append_len (state->string, text, text_len);
 491
 492         else
 493           g_set_error (error, G_MARKUP_ERROR, G_MARKUP_ERROR_INVALID_CONTENT,
 494                        _("text may not appear inside <%s>"),
 495                        g_markup_parse_context_get_element (context));
 496
 497         break;
 498       }
 499 }
 500
 501 static GHashTable *
 502 parse_resource_file (const gchar *filename,
 503                      gboolean collect_data)
 504 {
 505   GMarkupParser parser = { start_element, end_element, text };
 506   ParseState state = { 0, };
 507   GMarkupParseContext *context;
 508   GError *error = NULL;
 509   gchar *contents;
 510   GHashTable *table = NULL;
 511   gsize size;
 512
 513   if (!g_file_get_contents (filename, &contents, &size, &error))
 514     {
 515       g_printerr ("%s\n", error->message);
 516       g_clear_error (&error);
 517       return NULL;
 518     }
 519
 520   state.table = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, (GDestroyNotify)file_data_free);
 521   state.collect_data = collect_data;
 522
 523   context = g_markup_parse_context_new (&parser,
 524                                         G_MARKUP_TREAT_CDATA_AS_TEXT |
 525                                         G_MARKUP_PREFIX_ERROR_POSITION,
 526                                         &state, NULL);
 527
 528   if (!g_markup_parse_context_parse (context, contents, size, &error) ||
 529       !g_markup_parse_context_end_parse (context, &error))
 530     {
 531       g_printerr ("%s: %s.\n", filename, error->message);
 532       g_clear_error (&error);
 533     }
 534   else if (collect_data)
 535     {
 536       GHashTableIter iter;
 537       const char *key;
 538       char *mykey;
 539       gsize key_len;
 540       FileData *data;
 541       GVariant *v_data;
 542       GVariantBuilder builder;
 543       GvdbItem *item;
 544
 545       table = gvdb_hash_table_new (NULL, NULL);
 546
 547       g_hash_table_iter_init (&iter, state.table);
 548       while (g_hash_table_iter_next (&iter, (gpointer *)&key, (gpointer *)&data))
 549         {
 550           key_len = strlen (key);
 551           mykey = g_strdup (key);
 552
 553           item = gvdb_hash_table_insert (table, key);
 554           gvdb_item_set_parent (item,
 555                                 get_parent (table, mykey, key_len));
 556
 557           g_free (mykey);
 558
 559           g_variant_builder_init (&builder, G_VARIANT_TYPE ("(uuay)"));
 560
 561           g_variant_builder_add (&builder, "u", data->size); /* Size */
 562           g_variant_builder_add (&builder, "u", data->flags); /* Flags */
 563
 564           v_data = g_variant_new_from_data (G_VARIANT_TYPE("ay"),
 565                                             data->content, data->content_size, TRUE,
 566                                             g_free, data->content);
 567           g_variant_builder_add_value (&builder, v_data);
 568           data->content = NULL; /* Take ownership */
 569
 570           gvdb_item_set_value (item,
 571                                g_variant_builder_end (&builder));
 572         }
 573     }
 574   else
 575     {
 576       table = g_hash_table_ref (state.table);
 577     }
 578
 579   g_hash_table_unref (state.table);
 580   g_markup_parse_context_free (context);
 581   g_free (contents);
 582
 583   return table;
 584 }
 585
 586 static gboolean
 587 write_to_file (GHashTable   *table,
 588                const gchar  *filename,
 589                GError      **error)
 590 {
 591   gboolean success;
 592
 593   success = gvdb_table_write_contents (table, filename,
 594                                        G_BYTE_ORDER != G_LITTLE_ENDIAN,
 595                                        error);
 596
 597   return success;
 598 }
 599
 600 int
 601 main (int argc, char **argv)
 602 {
 603   GError *error;
 604   GHashTable *table;
 605   gchar *srcfile;
 606   gchar *target = NULL;
 607   gchar *binary_target = NULL;
 608   gboolean generate_automatic = FALSE;
 609   gboolean generate_source = FALSE;
 610   gboolean generate_header = FALSE;
 611   gboolean manual_register = FALSE;
 612   gboolean internal = FALSE;
 613   gboolean generate_dependencies = FALSE;
 614   char *c_name = NULL;
 615   char *c_name_no_underscores;
 616   const char *linkage = "extern";
 617   GOptionContext *context;
 618   GOptionEntry entries[] = {
 619     { "target", 0, 0, G_OPTION_ARG_FILENAME, &target, N_("name of the output file"), N_("FILE") },
 620     { "sourcedir", 0, 0, G_OPTION_ARG_FILENAME_ARRAY, &sourcedirs, N_("The directories where files are to be read from (default to current directory)"), N_("DIRECTORY") },
 621     { "generate", 0, 0, G_OPTION_ARG_NONE, &generate_automatic, N_("Generate output in the format selected for by the target filename extension"), NULL },
 622     { "generate-header", 0, 0, G_OPTION_ARG_NONE, &generate_header, N_("Generate source header"), NULL },
 623     { "generate-source", 0, 0, G_OPTION_ARG_NONE, &generate_source, N_("Generate sourcecode used to link in the resource file into your code"), NULL },
 624     { "generate-dependencies", 0, 0, G_OPTION_ARG_NONE, &generate_dependencies, N_("Generate dependency list"), NULL },
 625     { "manual-register", 0, 0, G_OPTION_ARG_NONE, &manual_register, N_("Don't automatically create and register resource"), NULL },
 626     { "internal", 0, 0, G_OPTION_ARG_NONE, &internal, N_("Don't export functions; declare them G_GNUC_INTERNAL"), NULL },
 627     { "c-name", 0, 0, G_OPTION_ARG_STRING, &c_name, N_("C identifier name used for the generated source code"), NULL },
 628     { NULL }
 629   };
 630
 631 #ifdef G_OS_WIN32
 632   gchar *tmp;
 633 #endif
 634
 635   setlocale (LC_ALL, "");
 636   textdomain (GETTEXT_PACKAGE);
 637
 638 #ifdef G_OS_WIN32
 639   tmp = _glib_get_locale_dir ();
 640   bindtextdomain (GETTEXT_PACKAGE, tmp);
 641   g_free (tmp);
 642 #else
 643   bindtextdomain (GETTEXT_PACKAGE, GLIB_LOCALE_DIR);
 644 #endif
 645
 646 #ifdef HAVE_BIND_TEXTDOMAIN_CODESET
 647   bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
 648 #endif
 649
 650   context = g_option_context_new (N_("FILE"));
 651   g_option_context_set_translation_domain (context, GETTEXT_PACKAGE);
 652   g_option_context_set_summary (context,
 653     N_("Compile a resource specification into a resource file.\n"
 654        "Resource specification files have the extension .gresource.xml,\n"
 655        "and the resource file have the extension called .gresource."));
 656   g_option_context_add_main_entries (context, entries, GETTEXT_PACKAGE);
 657
 658   error = NULL;
 659   if (!g_option_context_parse (context, &argc, &argv, &error))
 660     {
 661       g_printerr ("%s\n", error->message);
 662       return 1;
 663     }
 664
 665   g_option_context_free (context);
 666
 667   if (argc != 2)
 668     {
 669       g_printerr (_("You should give exactly one file name\n"));
 670       return 1;
 671     }
 672
 673   if (internal)
 674     linkage = "G_GNUC_INTERNAL";
 675
 676   srcfile = argv[1];
 677
 678   xmllint = g_strdup (g_getenv ("XMLLINT"));
 679   if (xmllint == NULL)
 680     xmllint = g_find_program_in_path ("xmllint");
 681   if (xmllint == NULL)
 682     g_printerr ("XMLLINT not set and xmllint not found in path; skipping xml preprocessing.\n");
 683
 684   gdk_pixbuf_pixdata = g_strdup (g_getenv ("GDK_PIXBUF_PIXDATA"));
 685   if (gdk_pixbuf_pixdata == NULL)
 686     gdk_pixbuf_pixdata = g_find_program_in_path ("gdk-pixbuf-pixdata");
 687
 688   if (target == NULL)
 689     {
 690       char *dirname = g_path_get_dirname (srcfile);
 691       char *base = g_path_get_basename (srcfile);
 692       char *target_basename;
 693       if (g_str_has_suffix (base, ".xml"))
 694         base[strlen(base) - strlen (".xml")] = 0;
 695
 696       if (generate_source)
 697         {
 698           if (g_str_has_suffix (base, ".gresource"))
 699             base[strlen(base) - strlen (".gresource")] = 0;
 700           target_basename = g_strconcat (base, ".c", NULL);
 701         }
 702       else
 703         {
 704           if (g_str_has_suffix (base, ".gresource"))
 705             target_basename = g_strdup (base);
 706           else
 707             target_basename = g_strconcat (base, ".gresource", NULL);
 708         }
 709
 710       target = g_build_filename (dirname, target_basename, NULL);
 711       g_free (target_basename);
 712       g_free (dirname);
 713       g_free (base);
 714     }
 715   else if (generate_automatic)
 716     {
 717       if (g_str_has_suffix (target, ".c"))
 718         generate_source = TRUE;
 719       else if (g_str_has_suffix (target, ".h"))
 720         generate_header = TRUE;
 721       else if (g_str_has_suffix (target, ".gresource"))
 722         ;
 723     }
 724
 725   if ((table = parse_resource_file (srcfile, !generate_dependencies)) == NULL)
 726     {
 727       g_free (target);
 728       return 1;
 729     }
 730
 731   if (generate_dependencies)
 732     {
 733       GHashTableIter iter;
 734       gpointer key, data;
 735       FileData *file_data;
 736
 737       g_hash_table_iter_init (&iter, table);
 738       while (g_hash_table_iter_next (&iter, &key, &data))
 739         {
 740           file_data = data;
 741           g_print ("%s\n",file_data->filename);
 742         }
 743     }
 744   else if (generate_source || generate_header)
 745     {
 746       if (generate_source)
 747         {
 748           int fd = g_file_open_tmp (NULL, &binary_target, NULL);
 749           if (fd == -1)
 750             {
 751               g_printerr ("Can't open temp file\n");
 752               return 1;
 753             }
 754           close (fd);
 755         }
 756
 757       if (c_name == NULL)
 758         {
 759           char *base = g_path_get_basename (srcfile);
 760           GString *s;
 761           char *dot;
 762           int i;
 763
 764           /* Remove extensions */
 765           dot = strchr (base, '.');
 766           if (dot)
 767             *dot = 0;
 768
 769           s = g_string_new ("");
 770
 771           for (i = 0; base[i] != 0; i++)
 772             {
 773               const char *first = G_CSET_A_2_Z G_CSET_a_2_z "_";
 774               const char *rest = G_CSET_A_2_Z G_CSET_a_2_z G_CSET_DIGITS "_";
 775               if (strchr ((i == 0) ? first : rest, base[i]) != NULL)
 776                 g_string_append_c (s, base[i]);
 777               else if (base[i] == '-')
 778                 g_string_append_c (s, '_');
 779
 780             }
 781
 782           c_name = g_string_free (s, FALSE);
 783         }
 784     }
 785   else
 786     binary_target = g_strdup (target);
 787
 788   c_name_no_underscores = c_name;
 789   while (c_name_no_underscores && *c_name_no_underscores == '_')
 790     c_name_no_underscores++;
 791
 792   if (binary_target != NULL &&
 793       !write_to_file (table, binary_target, &error))
 794     {
 795       g_printerr ("%s\n", error->message);
 796       g_free (target);
 797       return 1;
 798     }
 799
 800   if (generate_header)
 801     {
 802       FILE *file;
 803
 804       file = fopen (target, "w");
 805       if (file == NULL)
 806         {
 807           g_printerr ("can't write to file %s", target);
 808           return 1;
 809         }
 810
 811       fprintf (file,
 812                "#ifndef __RESOURCE_%s_H__\n"
 813                "#define __RESOURCE_%s_H__\n"
 814                "\n"
 815                "#include <gio/gio.h>\n"
 816                "\n"
 817                "%s GResource *%s_get_resource (void);\n",
 818                c_name, c_name, linkage, c_name);
 819
 820       if (manual_register)
 821         fprintf (file,
 822                  "\n"
 823                  "%s void %s_register_resource (void);\n"
 824                  "%s void %s_unregister_resource (void);\n"
 825                  "\n",
 826                  linkage, c_name, linkage, c_name);
 827
 828       fprintf (file,
 829                "#endif\n");
 830
 831       fclose (file);
 832     }
 833   else if (generate_source)
 834     {
 835       FILE *file;
 836       guint8 *data;
 837       gsize data_size;
 838       gsize i;
 839
 840       if (!g_file_get_contents (binary_target, (char **)&data,
 841                                 &data_size, NULL))
 842         {
 843           g_printerr ("can't read back temporary file");
 844           return 1;
 845         }
 846       g_unlink (binary_target);
 847
 848       file = fopen (target, "w");
 849       if (file == NULL)
 850         {
 851           g_printerr ("can't write to file %s", target);
 852           return 1;
 853         }
 854
 855       fprintf (file,
 856                "#include <gio/gio.h>\n"
 857                "\n"
 858                "#if defined (__ELF__) && ( __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 6))\n"
 859                "# define SECTION __attribute__ ((section (\".gresource.%s\"), aligned (8)))\n"
 860                "#else\n"
 861                "# define SECTION\n"
 862                "#endif\n"
 863                "\n"
 864                "static const SECTION union { const guint8 data[%"G_GSIZE_FORMAT"]; const double alignment; void * const ptr;}  %s_resource_data = { {\n",
 865                c_name_no_underscores, data_size, c_name);
 866
 867       for (i = 0; i < data_size; i++) {
 868         if (i % 8 == 0)
 869           fprintf (file, "  ");
 870         fprintf (file, "0x%2.2x", (int)data[i]);
 871         if (i != data_size - 1)
 872           fprintf (file, ", ");
 873         if ((i % 8 == 7) || (i == data_size - 1))
 874           fprintf (file, "\n");
 875       }
 876
 877       fprintf (file, "} };\n");
 878
 879       fprintf (file,
 880                "\n"
 881                "static GStaticResource static_resource = { %s_resource_data.data, sizeof (%s_resource_data.data), NULL, NULL, NULL };\n"
 882                "%s GResource *%s_get_resource (void);\n"
 883                "GResource *%s_get_resource (void)\n"
 884                "{\n"
 885                "  return g_static_resource_get_resource (&static_resource);\n"
 886                "}\n",
 887                c_name, c_name, linkage, c_name, c_name);
 888
 889
 890       if (manual_register)
 891         {
 892           fprintf (file,
 893                    "\n"
 894                    "%s void %s_unregister_resource (void);\n"
 895                    "void %s_unregister_resource (void)\n"
 896                    "{\n"
 897                    "  g_static_resource_fini (&static_resource);\n"
 898                    "}\n"
 899                    "\n"
 900                    "%s void %s_register_resource (void);\n"
 901                    "void %s_register_resource (void)\n"
 902                    "{\n"
 903                    "  g_static_resource_init (&static_resource);\n"
 904                    "}\n",
 905                    linkage, c_name, c_name, linkage, c_name, c_name);
 906         }
 907       else
 908         {
 909           fprintf (file, "%s", gconstructor_code);
 910           fprintf (file,
 911                    "\n"
 912                    "#ifdef G_HAS_CONSTRUCTORS\n"
 913                    "\n"
 914                    "#ifdef G_DEFINE_CONSTRUCTOR_NEEDS_PRAGMA\n"
 915                    "#pragma G_DEFINE_CONSTRUCTOR_PRAGMA_ARGS(resource_constructor)\n"
 916                    "#endif\n"
 917                    "G_DEFINE_CONSTRUCTOR(resource_constructor)\n"
 918                    "#ifdef G_DEFINE_DESTRUCTOR_NEEDS_PRAGMA\n"
 919                    "#pragma G_DEFINE_DESTRUCTOR_PRAGMA_ARGS(resource_destructor)\n"
 920                    "#endif\n"
 921                    "G_DEFINE_DESTRUCTOR(resource_destructor)\n"
 922                    "\n"
 923                    "#else\n"
 924                    "#warning \"Constructor not supported on this compiler, linking in resources will not work\"\n"
 925                    "#endif\n"
 926                    "\n"
 927                    "static void resource_constructor (void)\n"
 928                    "{\n"
 929                    "  g_static_resource_init (&static_resource);\n"
 930                    "}\n"
 931                    "\n"
 932                    "static void resource_destructor (void)\n"
 933                    "{\n"
 934                    "  g_static_resource_fini (&static_resource);\n"
 935                    "}\n");
 936         }
 937
 938       fclose (file);
 939
 940       g_free (data);
 941     }
 942
 943   g_free (binary_target);
 944   g_free (target);
 945   g_hash_table_destroy (table);
 946   g_free (xmllint);
 947
 948   return 0;
 949 }