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glib/gio/glib-compile-resources.c
Philip Withnall b1cae79f78 glib-compile-resources: Fix generated code compiling with C++ compilers 
With 0d685b4946, we now encode resource
data as a string. Strings have trailing nul terminators. A C compiler
will happily ignore the fact that the nul terminator exceeds the stated
array length, and will drop it — but a C++ compiler won’t, and will
raise:

error: initializer-string for array of chars is too long [-fpermissive]

Fix that by increasing the array length by 1, and subtracting it again
in the GStaticResource struct.

Signed-off-by: Philip Withnall <withnall@endlessm.com>
2018-08-31 12:29:39 +01:00

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/*
* Copyright © 2011 Red Hat, Inc
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*
* Author: Alexander Larsson <alexl@redhat.com>
*/
#include "config.h"
#include <glib.h>
#include <gstdio.h>
#include <gi18n.h>
#include <gioenums.h>
#include <string.h>
#include <stdio.h>
#include <locale.h>
#include <errno.h>
#ifdef G_OS_UNIX
#include <unistd.h>
#endif
#ifdef G_OS_WIN32
#include <io.h>
#endif
#include <gio/gmemoryoutputstream.h>
#include <gio/gzlibcompressor.h>
#include <gio/gconverteroutputstream.h>
#include <glib.h>
#include "gvdb/gvdb-builder.h"
#include "gconstructor_as_data.h"
#ifdef G_OS_WIN32
#include "glib/glib-private.h"
#endif
typedef struct
{
char *filename;
char *content;
gsize content_size;
gsize size;
guint32 flags;
} FileData;
typedef struct
{
GHashTable *table; /* resource path -> FileData */
gboolean collect_data;
/* per gresource */
char *prefix;
/* per file */
char *alias;
gboolean compressed;
char *preproc_options;
GString *string; /* non-NULL when accepting text */
} ParseState;
static gchar **sourcedirs = NULL;
static gchar *xmllint = NULL;
static gchar *jsonformat = NULL;
static gchar *gdk_pixbuf_pixdata = NULL;
static void
file_data_free (FileData *data)
{
g_free (data->filename);
g_free (data->content);
g_free (data);
}
static void
start_element (GMarkupParseContext *context,
const gchar *element_name,
const gchar **attribute_names,
const gchar **attribute_values,
gpointer user_data,
GError **error)
{
ParseState *state = user_data;
const GSList *element_stack;
const gchar *container;
element_stack = g_markup_parse_context_get_element_stack (context);
container = element_stack->next ? element_stack->next->data : NULL;
#define COLLECT(first, ...) \
g_markup_collect_attributes (element_name, \
attribute_names, attribute_values, error, \
first, __VA_ARGS__, G_MARKUP_COLLECT_INVALID)
#define OPTIONAL G_MARKUP_COLLECT_OPTIONAL
#define STRDUP G_MARKUP_COLLECT_STRDUP
#define STRING G_MARKUP_COLLECT_STRING
#define BOOL G_MARKUP_COLLECT_BOOLEAN
#define NO_ATTRS() COLLECT (G_MARKUP_COLLECT_INVALID, NULL)
if (container == NULL)
{
if (strcmp (element_name, "gresources") == 0)
return;
}
else if (strcmp (container, "gresources") == 0)
{
if (strcmp (element_name, "gresource") == 0)
{
COLLECT (OPTIONAL | STRDUP,
"prefix", &state->prefix);
return;
}
}
else if (strcmp (container, "gresource") == 0)
{
if (strcmp (element_name, "file") == 0)
{
COLLECT (OPTIONAL | STRDUP, "alias", &state->alias,
OPTIONAL | BOOL, "compressed", &state->compressed,
OPTIONAL | STRDUP, "preprocess", &state->preproc_options);
state->string = g_string_new ("");
return;
}
}
if (container)
g_set_error (error, G_MARKUP_ERROR, G_MARKUP_ERROR_UNKNOWN_ELEMENT,
_("Element <%s> not allowed inside <%s>"),
element_name, container);
else
g_set_error (error, G_MARKUP_ERROR, G_MARKUP_ERROR_UNKNOWN_ELEMENT,
_("Element <%s> not allowed at toplevel"), element_name);
}
static GvdbItem *
get_parent (GHashTable *table,
gchar *key,
gint length)
{
GvdbItem *grandparent, *parent;
if (length == 1)
return NULL;
while (key[--length - 1] != '/');
key[length] = '\0';
parent = g_hash_table_lookup (table, key);
if (parent == NULL)
{
parent = gvdb_hash_table_insert (table, key);
grandparent = get_parent (table, key, length);
if (grandparent != NULL)
gvdb_item_set_parent (parent, grandparent);
}
return parent;
}
static gchar *
find_file (const gchar *filename)
{
guint i;
gchar *real_file;
gboolean exists;
if (g_path_is_absolute (filename))
return g_strdup (filename);
/* search all the sourcedirs for the correct files in order */
for (i = 0; sourcedirs[i] != NULL; i++)
{
real_file = g_build_path ("/", sourcedirs[i], filename, NULL);
exists = g_file_test (real_file, G_FILE_TEST_EXISTS);
if (exists)
return real_file;
g_free (real_file);
}
return NULL;
}
static void
end_element (GMarkupParseContext *context,
const gchar *element_name,
gpointer user_data,
GError **error)
{
ParseState *state = user_data;
GError *my_error = NULL;
if (strcmp (element_name, "gresource") == 0)
{
g_free (state->prefix);
state->prefix = NULL;
}
else if (strcmp (element_name, "file") == 0)
{
gchar *file;
gchar *real_file = NULL;
gchar *key;
FileData *data = NULL;
char *tmp_file = NULL;
file = state->string->str;
key = file;
if (state->alias)
key = state->alias;
if (state->prefix)
key = g_build_path ("/", "/", state->prefix, key, NULL);
else
key = g_build_path ("/", "/", key, NULL);
if (g_hash_table_lookup (state->table, key) != NULL)
{
g_set_error (error, G_MARKUP_ERROR, G_MARKUP_ERROR_INVALID_CONTENT,
_("File %s appears multiple times in the resource"),
key);
return;
}
if (sourcedirs != NULL)
{
real_file = find_file (file);
if (real_file == NULL && state->collect_data)
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
_("Failed to locate “%s” in any source directory"), file);
return;
}
}
else
{
gboolean exists;
exists = g_file_test (file, G_FILE_TEST_EXISTS);
if (!exists && state->collect_data)
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
_("Failed to locate “%s” in current directory"), file);
return;
}
}
if (real_file == NULL)
real_file = g_strdup (file);
data = g_new0 (FileData, 1);
data->filename = g_strdup (real_file);
if (!state->collect_data)
goto done;
if (state->preproc_options)
{
gchar **options;
guint i;
gboolean xml_stripblanks = FALSE;
gboolean json_stripblanks = FALSE;
gboolean to_pixdata = FALSE;
options = g_strsplit (state->preproc_options, ",", -1);
for (i = 0; options[i]; i++)
{
if (!strcmp (options[i], "xml-stripblanks"))
xml_stripblanks = TRUE;
else if (!strcmp (options[i], "to-pixdata"))
to_pixdata = TRUE;
else if (!strcmp (options[i], "json-stripblanks"))
json_stripblanks = TRUE;
else
{
g_set_error (error, G_MARKUP_ERROR, G_MARKUP_ERROR_INVALID_CONTENT,
_("Unknown processing option “%s”"), options[i]);
g_strfreev (options);
goto cleanup;
}
}
g_strfreev (options);
if (xml_stripblanks)
{
/* This is not fatal: pretty-printed XML is still valid XML */
if (xmllint == NULL)
{
static gboolean xmllint_warned = FALSE;
if (!xmllint_warned)
{
/* Translators: the first %s is a gresource XML attribute,
* the second %s is an environment variable, and the third
* %s is a command line tool
*/
char *warn = g_strdup_printf (_("%s preprocessing requested, but %s is not set, and %s is not in PATH"),
"xml-stripblanks",
"XMLLINT",
"xmllint");
g_printerr ("%s\n", warn);
g_free (warn);
/* Only warn once */
xmllint_warned = TRUE;
}
}
else
{
GSubprocess *proc;
int fd;
fd = g_file_open_tmp ("resource-XXXXXXXX", &tmp_file, error);
if (fd < 0)
goto cleanup;
close (fd);
proc = g_subprocess_new (G_SUBPROCESS_FLAGS_STDOUT_SILENCE, error,
xmllint, "--nonet", "--noblanks", "--output", tmp_file, real_file, NULL);
g_free (real_file);
real_file = NULL;
if (!proc)
goto cleanup;
if (!g_subprocess_wait_check (proc, NULL, error))
{
g_object_unref (proc);
goto cleanup;
}
g_object_unref (proc);
real_file = g_strdup (tmp_file);
}
}
if (json_stripblanks)
{
/* As above, this is not fatal: pretty-printed JSON is still
* valid JSON
*/
if (jsonformat == NULL)
{
static gboolean jsonformat_warned = FALSE;
if (!jsonformat_warned)
{
/* Translators: the first %s is a gresource XML attribute,
* the second %s is an environment variable, and the third
* %s is a command line tool
*/
char *warn = g_strdup_printf (_("%s preprocessing requested, but %s is not set, and %s is not in PATH"),
"json-stripblanks",
"JSON_GLIB_FORMAT",
"json-glib-format");
g_printerr ("%s\n", warn);
g_free (warn);
/* Only warn once */
jsonformat_warned = TRUE;
}
}
else
{
GSubprocess *proc;
int fd;
fd = g_file_open_tmp ("resource-XXXXXXXX", &tmp_file, error);
if (fd < 0)
goto cleanup;
close (fd);
proc = g_subprocess_new (G_SUBPROCESS_FLAGS_STDOUT_SILENCE, error,
jsonformat, "--output", tmp_file, real_file, NULL);
g_free (real_file);
real_file = NULL;
if (!proc)
goto cleanup;
if (!g_subprocess_wait_check (proc, NULL, error))
{
g_object_unref (proc);
goto cleanup;
}
g_object_unref (proc);
real_file = g_strdup (tmp_file);
}
}
if (to_pixdata)
{
GSubprocess *proc;
int fd;
/* This is a fatal error: if to-pixdata is used it means that
* the code loading the GResource expects a specific data format
*/
if (gdk_pixbuf_pixdata == NULL)
{
/* Translators: the first %s is a gresource XML attribute,
* the second %s is an environment variable, and the third
* %s is a command line tool
*/
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
_("%s preprocessing requested, but %s is not set, and %s is not in PATH"),
"to-pixdata",
"GDK_PIXBUF_PIXDATA",
"gdk-pixbuf-pixdata");
goto cleanup;
}
fd = g_file_open_tmp ("resource-XXXXXXXX", &tmp_file, error);
if (fd < 0)
goto cleanup;
close (fd);
proc = g_subprocess_new (G_SUBPROCESS_FLAGS_STDOUT_SILENCE, error,
gdk_pixbuf_pixdata, real_file, tmp_file, NULL);
g_free (real_file);
real_file = NULL;
if (!g_subprocess_wait_check (proc, NULL, error))
{
g_object_unref (proc);
goto cleanup;
}
g_object_unref (proc);
real_file = g_strdup (tmp_file);
}
}
if (!g_file_get_contents (real_file, &data->content, &data->size, &my_error))
{
g_set_error (error, G_MARKUP_ERROR, G_MARKUP_ERROR_INVALID_CONTENT,
_("Error reading file %s: %s"),
real_file, my_error->message);
g_clear_error (&my_error);
goto cleanup;
}
/* Include zero termination in content_size for uncompressed files (but not in size) */
data->content_size = data->size + 1;
if (state->compressed)
{
GOutputStream *out = g_memory_output_stream_new (NULL, 0, g_realloc, g_free);
GZlibCompressor *compressor =
g_zlib_compressor_new (G_ZLIB_COMPRESSOR_FORMAT_ZLIB, 9);
GOutputStream *out2 = g_converter_output_stream_new (out, G_CONVERTER (compressor));
if (!g_output_stream_write_all (out2, data->content, data->size,
NULL, NULL, NULL) ||
!g_output_stream_close (out2, NULL, NULL))
{
g_set_error (error, G_MARKUP_ERROR, G_MARKUP_ERROR_INVALID_CONTENT,
_("Error compressing file %s"),
real_file);
goto cleanup;
}
g_free (data->content);
data->content_size = g_memory_output_stream_get_size (G_MEMORY_OUTPUT_STREAM (out));
data->content = g_memory_output_stream_steal_data (G_MEMORY_OUTPUT_STREAM (out));
g_object_unref (compressor);
g_object_unref (out);
g_object_unref (out2);
data->flags |= G_RESOURCE_FLAGS_COMPRESSED;
}
done:
g_hash_table_insert (state->table, key, data);
data = NULL;
cleanup:
/* Cleanup */
g_free (state->alias);
state->alias = NULL;
g_string_free (state->string, TRUE);
state->string = NULL;
g_free (state->preproc_options);
state->preproc_options = NULL;
g_free (real_file);
if (tmp_file)
{
unlink (tmp_file);
g_free (tmp_file);
}
if (data != NULL)
file_data_free (data);
}
}
static void
text (GMarkupParseContext *context,
const gchar *text,
gsize text_len,
gpointer user_data,
GError **error)
{
ParseState *state = user_data;
gsize i;
for (i = 0; i < text_len; i++)
if (!g_ascii_isspace (text[i]))
{
if (state->string)
g_string_append_len (state->string, text, text_len);
else
g_set_error (error, G_MARKUP_ERROR, G_MARKUP_ERROR_INVALID_CONTENT,
_("text may not appear inside <%s>"),
g_markup_parse_context_get_element (context));
break;
}
}
static GHashTable *
parse_resource_file (const gchar *filename,
gboolean collect_data,
GHashTable *files)
{
GMarkupParser parser = { start_element, end_element, text };
ParseState state = { 0, };
GMarkupParseContext *context;
GError *error = NULL;
gchar *contents;
GHashTable *table = NULL;
gsize size;
if (!g_file_get_contents (filename, &contents, &size, &error))
{
g_printerr ("%s\n", error->message);
g_clear_error (&error);
return NULL;
}
state.collect_data = collect_data;
state.table = g_hash_table_ref (files);
context = g_markup_parse_context_new (&parser,
G_MARKUP_TREAT_CDATA_AS_TEXT |
G_MARKUP_PREFIX_ERROR_POSITION,
&state, NULL);
if (!g_markup_parse_context_parse (context, contents, size, &error) ||
!g_markup_parse_context_end_parse (context, &error))
{
g_printerr ("%s: %s.\n", filename, error->message);
g_clear_error (&error);
}
else
{
GHashTableIter iter;
const char *key;
char *mykey;
gsize key_len;
FileData *data;
GVariant *v_data;
GVariantBuilder builder;
GvdbItem *item;
table = gvdb_hash_table_new (NULL, NULL);
g_hash_table_iter_init (&iter, state.table);
while (g_hash_table_iter_next (&iter, (gpointer *)&key, (gpointer *)&data))
{
key_len = strlen (key);
mykey = g_strdup (key);
item = gvdb_hash_table_insert (table, key);
gvdb_item_set_parent (item,
get_parent (table, mykey, key_len));
g_free (mykey);
g_variant_builder_init (&builder, G_VARIANT_TYPE ("(uuay)"));
g_variant_builder_add (&builder, "u", data->size); /* Size */
g_variant_builder_add (&builder, "u", data->flags); /* Flags */
v_data = g_variant_new_from_data (G_VARIANT_TYPE("ay"),
data->content, data->content_size, TRUE,
g_free, data->content);
g_variant_builder_add_value (&builder, v_data);
data->content = NULL; /* Take ownership */
gvdb_item_set_value (item,
g_variant_builder_end (&builder));
}
}
g_hash_table_unref (state.table);
g_markup_parse_context_free (context);
g_free (contents);
return table;
}
static gboolean
write_to_file (GHashTable *table,
const gchar *filename,
GError **error)
{
gboolean success;
success = gvdb_table_write_contents (table, filename,
G_BYTE_ORDER != G_LITTLE_ENDIAN,
error);
return success;
}
static gboolean
extension_in_set (const char *str,
...)
{
va_list list;
const char *ext, *value;
gboolean rv = FALSE;
ext = strrchr (str, '.');
if (ext == NULL)
return FALSE;
ext++;
va_start (list, str);
while ((value = va_arg (list, const char *)) != NULL)
{
if (g_ascii_strcasecmp (ext, value) != 0)
continue;
rv = TRUE;
break;
}
va_end (list);
return rv;
}
/*
* We must escape any characters that `make` finds significant.
* This is largely a duplicate of the logic in gcc's `mkdeps.c:munge()`.
*/
static char *
escape_makefile_string (const char *string)
{
GString *str;
const char *p, *q;
str = g_string_sized_new (strlen (string) + 1);
for (p = string; *p != '\0'; ++p)
{
switch (*p)
{
case ' ':
case '\t':
/* GNU make uses a weird quoting scheme for white space.
A space or tab preceded by 2N+1 backslashes represents
N backslashes followed by space; a space or tab
preceded by 2N backslashes represents N backslashes at
the end of a file name; and backslashes in other
contexts should not be doubled. */
for (q = p - 1; string <= q && *q == '\\'; q--)
g_string_append_c (str, '\\');
g_string_append_c (str, '\\');
break;
case '$':
g_string_append_c (str, '$');
break;
case '#':
g_string_append_c (str, '\\');
break;
}
g_string_append_c (str, *p);
}
return g_string_free (str, FALSE);
}
int
main (int argc, char **argv)
{
GError *error;
GHashTable *table;
GHashTable *files;
gchar *srcfile;
gboolean show_version_and_exit = FALSE;
gchar *target = NULL;
gchar *binary_target = NULL;
gboolean generate_automatic = FALSE;
gboolean generate_source = FALSE;
gboolean generate_header = FALSE;
gboolean manual_register = FALSE;
gboolean internal = FALSE;
gboolean generate_dependencies = FALSE;
gboolean generate_phony_targets = FALSE;
char *dependency_file = NULL;
char *c_name = NULL;
char *c_name_no_underscores;
const char *linkage = "extern";
GOptionContext *context;
GOptionEntry entries[] = {
{ "version", 0, 0, G_OPTION_ARG_NONE, &show_version_and_exit, N_("Show program version and exit"), NULL },
{ "target", 0, 0, G_OPTION_ARG_FILENAME, &target, N_("Name of the output file"), N_("FILE") },
{ "sourcedir", 0, 0, G_OPTION_ARG_FILENAME_ARRAY, &sourcedirs, N_("The directories to load files referenced in FILE from (default: current directory)"), N_("DIRECTORY") },
{ "generate", 0, 0, G_OPTION_ARG_NONE, &generate_automatic, N_("Generate output in the format selected for by the target filename extension"), NULL },
{ "generate-header", 0, 0, G_OPTION_ARG_NONE, &generate_header, N_("Generate source header"), NULL },
{ "generate-source", 0, 0, G_OPTION_ARG_NONE, &generate_source, N_("Generate source code used to link in the resource file into your code"), NULL },
{ "generate-dependencies", 0, 0, G_OPTION_ARG_NONE, &generate_dependencies, N_("Generate dependency list"), NULL },
{ "dependency-file", 0, 0, G_OPTION_ARG_FILENAME, &dependency_file, N_("Name of the dependency file to generate"), N_("FILE") },
{ "generate-phony-targets", 0, 0, G_OPTION_ARG_NONE, &generate_phony_targets, N_("Include phony targets in the generated dependency file"), NULL },
{ "manual-register", 0, 0, G_OPTION_ARG_NONE, &manual_register, N_("Don’t automatically create and register resource"), NULL },
{ "internal", 0, 0, G_OPTION_ARG_NONE, &internal, N_("Don’t export functions; declare them G_GNUC_INTERNAL"), NULL },
{ "c-name", 0, 0, G_OPTION_ARG_STRING, &c_name, N_("C identifier name used for the generated source code"), NULL },
{ NULL }
};
#ifdef G_OS_WIN32
gchar *tmp;
#endif
setlocale (LC_ALL, "");
textdomain (GETTEXT_PACKAGE);
#ifdef G_OS_WIN32
tmp = _glib_get_locale_dir ();
bindtextdomain (GETTEXT_PACKAGE, tmp);
g_free (tmp);
#else
bindtextdomain (GETTEXT_PACKAGE, GLIB_LOCALE_DIR);
#endif
#ifdef HAVE_BIND_TEXTDOMAIN_CODESET
bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
#endif
context = g_option_context_new (N_("FILE"));
g_option_context_set_translation_domain (context, GETTEXT_PACKAGE);
g_option_context_set_summary (context,
N_("Compile a resource specification into a resource file.\n"
"Resource specification files have the extension .gresource.xml,\n"
"and the resource file have the extension called .gresource."));
g_option_context_add_main_entries (context, entries, GETTEXT_PACKAGE);
error = NULL;
if (!g_option_context_parse (context, &argc, &argv, &error))
{
g_printerr ("%s\n", error->message);
return 1;
}
g_option_context_free (context);
if (show_version_and_exit)
{
g_print (PACKAGE_VERSION "\n");
return 0;
}
if (argc != 2)
{
g_printerr (_("You should give exactly one file name\n"));
g_free (c_name);
return 1;
}
if (internal)
linkage = "G_GNUC_INTERNAL";
srcfile = argv[1];
xmllint = g_strdup (g_getenv ("XMLLINT"));
if (xmllint == NULL)
xmllint = g_find_program_in_path ("xmllint");
jsonformat = g_strdup (g_getenv ("JSON_GLIB_FORMAT"));
if (jsonformat == NULL)
jsonformat = g_find_program_in_path ("json-glib-format");
gdk_pixbuf_pixdata = g_strdup (g_getenv ("GDK_PIXBUF_PIXDATA"));
if (gdk_pixbuf_pixdata == NULL)
gdk_pixbuf_pixdata = g_find_program_in_path ("gdk-pixbuf-pixdata");
if (target == NULL)
{
char *dirname = g_path_get_dirname (srcfile);
char *base = g_path_get_basename (srcfile);
char *target_basename;
if (g_str_has_suffix (base, ".xml"))
base[strlen(base) - strlen (".xml")] = 0;
if (generate_source)
{
if (g_str_has_suffix (base, ".gresource"))
base[strlen(base) - strlen (".gresource")] = 0;
target_basename = g_strconcat (base, ".c", NULL);
}
else if (generate_header)
{
if (g_str_has_suffix (base, ".gresource"))
base[strlen(base) - strlen (".gresource")] = 0;
target_basename = g_strconcat (base, ".h", NULL);
}
else
{
if (g_str_has_suffix (base, ".gresource"))
target_basename = g_strdup (base);
else
target_basename = g_strconcat (base, ".gresource", NULL);
}
target = g_build_filename (dirname, target_basename, NULL);
g_free (target_basename);
g_free (dirname);
g_free (base);
}
else if (generate_automatic)
{
if (extension_in_set (target, "c", "cc", "cpp", "cxx", "c++", NULL))
generate_source = TRUE;
else if (extension_in_set (target, "h", "hh", "hpp", "hxx", "h++", NULL))
generate_header = TRUE;
else if (extension_in_set (target, "gresource", NULL))
{ }
}
files = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, (GDestroyNotify)file_data_free);
if ((table = parse_resource_file (srcfile, !generate_dependencies, files)) == NULL)
{
g_free (target);
g_free (c_name);
g_hash_table_unref (files);
return 1;
}
/* This can be used in the same invocation
as other generate commands */
if (dependency_file != NULL)
{
/* Generate a .d file that describes the dependencies for
* build tools, gcc -M -MF style */
GString *dep_string;
GHashTableIter iter;
gpointer key, data;
FileData *file_data;
char *escaped;
g_hash_table_iter_init (&iter, files);
dep_string = g_string_new (NULL);
escaped = escape_makefile_string (srcfile);
g_string_printf (dep_string, "%s:", escaped);
g_free (escaped);
/* First rule: foo.xml: resource1 resource2.. */
while (g_hash_table_iter_next (&iter, &key, &data))
{
file_data = data;
if (!g_str_equal (file_data->filename, srcfile))
{
escaped = escape_makefile_string (file_data->filename);
g_string_append_printf (dep_string, " %s", escaped);
g_free (escaped);
}
}
g_string_append (dep_string, "\n");
/* Optionally include phony targets as it silences `make` but
* isn't supported on `ninja` at the moment. See also: `gcc -MP`
*/
if (generate_phony_targets)
{
g_string_append (dep_string, "\n");
/* One rule for every resource: resourceN: */
g_hash_table_iter_init (&iter, files);
while (g_hash_table_iter_next (&iter, &key, &data))
{
file_data = data;
if (!g_str_equal (file_data->filename, srcfile))
{
escaped = escape_makefile_string (file_data->filename);
g_string_append_printf (dep_string, "%s:\n\n", escaped);
g_free (escaped);
}
}
}
if (g_str_equal (dependency_file, "-"))
{
g_print ("%s\n", dep_string->str);
}
else
{
if (!g_file_set_contents (dependency_file, dep_string->str, dep_string->len, &error))
{
g_printerr ("Error writing dependency file: %s\n", error->message);
g_string_free (dep_string, TRUE);
g_free (dependency_file);
g_error_free (error);
g_hash_table_unref (files);
return 1;
}
}
g_string_free (dep_string, TRUE);
g_free (dependency_file);
}
if (generate_dependencies)
{
GHashTableIter iter;
gpointer key, data;
FileData *file_data;
g_hash_table_iter_init (&iter, files);
/* Generate list of files for direct use as dependencies in a Makefile */
while (g_hash_table_iter_next (&iter, &key, &data))
{
file_data = data;
g_print ("%s\n", file_data->filename);
}
}
else if (generate_source || generate_header)
{
if (generate_source)
{
int fd = g_file_open_tmp (NULL, &binary_target, NULL);
if (fd == -1)
{
g_printerr ("Can't open temp file\n");
g_free (c_name);
g_hash_table_unref (files);
return 1;
}
close (fd);
}
if (c_name == NULL)
{
char *base = g_path_get_basename (srcfile);
GString *s;
char *dot;
int i;
/* Remove extensions */
dot = strchr (base, '.');
if (dot)
*dot = 0;
s = g_string_new ("");
for (i = 0; base[i] != 0; i++)
{
const char *first = G_CSET_A_2_Z G_CSET_a_2_z "_";
const char *rest = G_CSET_A_2_Z G_CSET_a_2_z G_CSET_DIGITS "_";
if (strchr ((i == 0) ? first : rest, base[i]) != NULL)
g_string_append_c (s, base[i]);
else if (base[i] == '-')
g_string_append_c (s, '_');
}
c_name = g_string_free (s, FALSE);
}
}
else
binary_target = g_strdup (target);
c_name_no_underscores = c_name;
while (c_name_no_underscores && *c_name_no_underscores == '_')
c_name_no_underscores++;
if (binary_target != NULL &&
!write_to_file (table, binary_target, &error))
{
g_printerr ("%s\n", error->message);
g_free (target);
g_free (c_name);
g_hash_table_unref (files);
return 1;
}
if (generate_header)
{
FILE *file;
file = fopen (target, "w");
if (file == NULL)
{
g_printerr ("can't write to file %s", target);
g_free (c_name);
g_hash_table_unref (files);
return 1;
}
g_fprintf (file,
"#ifndef __RESOURCE_%s_H__\n"
"#define __RESOURCE_%s_H__\n"
"\n"
"#include <gio/gio.h>\n"
"\n"
"%s GResource *%s_get_resource (void);\n",
c_name, c_name, linkage, c_name);
if (manual_register)
g_fprintf (file,
"\n"
"%s void %s_register_resource (void);\n"
"%s void %s_unregister_resource (void);\n"
"\n",
linkage, c_name, linkage, c_name);
g_fprintf (file,
"#endif\n");
fclose (file);
}
else if (generate_source)
{
FILE *file;
guint8 *data;
gsize data_size;
gsize i;
if (!g_file_get_contents (binary_target, (char **)&data,
&data_size, NULL))
{
g_printerr ("can't read back temporary file");
g_free (c_name);
g_hash_table_unref (files);
return 1;
}
g_unlink (binary_target);
file = fopen (target, "w");
if (file == NULL)
{
g_printerr ("can't write to file %s", target);
g_free (c_name);
g_hash_table_unref (files);
return 1;
}
g_fprintf (file,
"#include <gio/gio.h>\n"
"\n"
"#if defined (__ELF__) && ( __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 6))\n"
"# define SECTION __attribute__ ((section (\".gresource.%s\"), aligned (8)))\n"
"#else\n"
"# define SECTION\n"
"#endif\n"
"\n"
"static const SECTION union { const guint8 data[%"G_GSIZE_FORMAT"]; const double alignment; void * const ptr;} %s_resource_data = {\n \"",
c_name_no_underscores, data_size + 1 /* nul terminator */, c_name);
for (i = 0; i < data_size; i++) {
g_fprintf (file, "\\%3.3o", (int)data[i]);
if (i % 16 == 15)
g_fprintf (file, "\"\n \"");
}
g_fprintf (file, "\" };\n");
g_fprintf (file,
"\n"
"static GStaticResource static_resource = { %s_resource_data.data, sizeof (%s_resource_data.data) - 1 /* nul terminator */, NULL, NULL, NULL };\n"
"%s GResource *%s_get_resource (void);\n"
"GResource *%s_get_resource (void)\n"
"{\n"
" return g_static_resource_get_resource (&static_resource);\n"
"}\n",
c_name, c_name, linkage, c_name, c_name);
if (manual_register)
{
g_fprintf (file,
"\n"
"%s void %s_unregister_resource (void);\n"
"void %s_unregister_resource (void)\n"
"{\n"
" g_static_resource_fini (&static_resource);\n"
"}\n"
"\n"
"%s void %s_register_resource (void);\n"
"void %s_register_resource (void)\n"
"{\n"
" g_static_resource_init (&static_resource);\n"
"}\n",
linkage, c_name, c_name, linkage, c_name, c_name);
}
else
{
g_fprintf (file, "%s", gconstructor_code);
g_fprintf (file,
"\n"
"#ifdef G_HAS_CONSTRUCTORS\n"
"\n"
"#ifdef G_DEFINE_CONSTRUCTOR_NEEDS_PRAGMA\n"
"#pragma G_DEFINE_CONSTRUCTOR_PRAGMA_ARGS(resource_constructor)\n"
"#endif\n"
"G_DEFINE_CONSTRUCTOR(resource_constructor)\n"
"#ifdef G_DEFINE_DESTRUCTOR_NEEDS_PRAGMA\n"
"#pragma G_DEFINE_DESTRUCTOR_PRAGMA_ARGS(resource_destructor)\n"
"#endif\n"
"G_DEFINE_DESTRUCTOR(resource_destructor)\n"
"\n"
"#else\n"
"#warning \"Constructor not supported on this compiler, linking in resources will not work\"\n"
"#endif\n"
"\n"
"static void resource_constructor (void)\n"
"{\n"
" g_static_resource_init (&static_resource);\n"
"}\n"
"\n"
"static void resource_destructor (void)\n"
"{\n"
" g_static_resource_fini (&static_resource);\n"
"}\n");
}
fclose (file);
g_free (data);
}
g_free (binary_target);
g_free (target);
g_hash_table_destroy (table);
g_free (xmllint);
g_free (jsonformat);
g_free (c_name);
g_hash_table_unref (files);
return 0;
}
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