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