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glib/gio/glib-compile-schemas.c
Philip Withnall 9d5bcc9491 glib-compile-schemas: Fix typo in comparison function 
This caused schemas and override files to be sorted incorrectly.

Fixes a regression introduced in commit 861e82efbc.

Spotted by John Wudrick in
https://gitlab.gnome.org/GNOME/glib/-/merge_requests/3155#note_1635044.

Signed-off-by: Philip Withnall <pwithnall@endlessos.org>
2023-01-09 12:20:10 +00:00

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/*
* Copyright © 2010 Codethink Limited
*
* SPDX-License-Identifier: LGPL-2.1-or-later
*
* 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: Ryan Lortie <desrt@desrt.ca>
*/
/* Prologue {{{1 */
#include "config.h"
#include <gstdio.h>
#include <gi18n.h>
#include <string.h>
#include <stdio.h>
#include <locale.h>
#include "gvdb/gvdb-builder.h"
#include "strinfo.c"
#include "glib/glib-private.h"
static void
strip_string (GString *string)
{
gint i;
for (i = 0; g_ascii_isspace (string->str[i]); i++);
g_string_erase (string, 0, i);
if (string->len > 0)
{
/* len > 0, so there must be at least one non-whitespace character */
for (i = string->len - 1; g_ascii_isspace (string->str[i]); i--);
g_string_truncate (string, i + 1);
}
}
/* Handling of <enum> {{{1 */
typedef struct
{
GString *strinfo;
gboolean is_flags;
} EnumState;
static void
enum_state_free (gpointer data)
{
EnumState *state = data;
g_string_free (state->strinfo, TRUE);
g_slice_free (EnumState, state);
}
static EnumState *
enum_state_new (gboolean is_flags)
{
EnumState *state;
state = g_slice_new (EnumState);
state->strinfo = g_string_new (NULL);
state->is_flags = is_flags;
return state;
}
static void
enum_state_add_value (EnumState *state,
const gchar *nick,
const gchar *valuestr,
GError **error)
{
gint64 value;
gchar *end;
if (nick[0] == '\0' || nick[1] == '\0')
{
g_set_error (error, G_MARKUP_ERROR,
G_MARKUP_ERROR_INVALID_CONTENT,
_("nick must be a minimum of 2 characters"));
return;
}
value = g_ascii_strtoll (valuestr, &end, 0);
if (*end || (state->is_flags ?
(value > G_MAXUINT32 || value < 0) :
(value > G_MAXINT32 || value < G_MININT32)))
{
g_set_error (error, G_MARKUP_ERROR,
G_MARKUP_ERROR_INVALID_CONTENT,
_("Invalid numeric value"));
return;
}
if (strinfo_builder_contains (state->strinfo, nick))
{
g_set_error (error, G_MARKUP_ERROR,
G_MARKUP_ERROR_INVALID_CONTENT,
_("<value nick='%s'/> already specified"), nick);
return;
}
if (strinfo_builder_contains_value (state->strinfo, value))
{
g_set_error (error, G_MARKUP_ERROR,
G_MARKUP_ERROR_INVALID_CONTENT,
_("value='%s' already specified"), valuestr);
return;
}
/* Silently drop the null case if it is mentioned.
* It is properly denoted with an empty array.
*/
if (state->is_flags && value == 0)
return;
if (state->is_flags && (value & (value - 1)))
{
g_set_error (error, G_MARKUP_ERROR,
G_MARKUP_ERROR_INVALID_CONTENT,
_("flags values must have at most 1 bit set"));
return;
}
/* Since we reject exact duplicates of value='' and we only allow one
* bit to be set, it's not possible to have overlaps.
*
* If we loosen the one-bit-set restriction we need an overlap check.
*/
strinfo_builder_append_item (state->strinfo, nick, value);
}
static void
enum_state_end (EnumState **state_ptr,
GError **error)
{
EnumState *state;
state = *state_ptr;
*state_ptr = NULL;
if (state->strinfo->len == 0)
g_set_error (error,
G_MARKUP_ERROR, G_MARKUP_ERROR_INVALID_CONTENT,
_("<%s> must contain at least one <value>"),
state->is_flags ? "flags" : "enum");
}
/* Handling of <key> {{{1 */
typedef struct
{
/* for <child>, @child_schema will be set.
* for <key>, everything else will be set.
*/
gchar *child_schema;
GVariantType *type;
gboolean have_gettext_domain;
gchar l10n;
gchar *l10n_context;
GString *unparsed_default_value;
GVariant *default_value;
GVariantDict *desktop_overrides;
GString *strinfo;
gboolean is_enum;
gboolean is_flags;
GVariant *minimum;
GVariant *maximum;
gboolean has_choices;
gboolean has_aliases;
gboolean is_override;
gboolean checked;
GVariant *serialised;
gboolean summary_seen;
gboolean description_seen;
} KeyState;
static KeyState *
key_state_new (const gchar *type_string,
const gchar *gettext_domain,
gboolean is_enum,
gboolean is_flags,
GString *strinfo)
{
KeyState *state;
state = g_slice_new0 (KeyState);
state->type = g_variant_type_new (type_string);
state->have_gettext_domain = gettext_domain != NULL;
state->is_enum = is_enum;
state->is_flags = is_flags;
state->summary_seen = FALSE;
state->description_seen = FALSE;
if (strinfo)
state->strinfo = g_string_new_len (strinfo->str, strinfo->len);
else
state->strinfo = g_string_new (NULL);
return state;
}
static KeyState *
key_state_override (KeyState *state,
const gchar *gettext_domain)
{
KeyState *copy;
copy = g_slice_new0 (KeyState);
copy->type = g_variant_type_copy (state->type);
copy->have_gettext_domain = gettext_domain != NULL;
copy->strinfo = g_string_new_len (state->strinfo->str,
state->strinfo->len);
copy->is_enum = state->is_enum;
copy->is_flags = state->is_flags;
copy->is_override = TRUE;
if (state->minimum)
{
copy->minimum = g_variant_ref (state->minimum);
copy->maximum = g_variant_ref (state->maximum);
}
return copy;
}
static KeyState *
key_state_new_child (const gchar *child_schema)
{
KeyState *state;
state = g_slice_new0 (KeyState);
state->child_schema = g_strdup (child_schema);
return state;
}
static gboolean
is_valid_choices (GVariant *variant,
GString *strinfo)
{
switch (g_variant_classify (variant))
{
case G_VARIANT_CLASS_MAYBE:
case G_VARIANT_CLASS_ARRAY:
{
gboolean valid = TRUE;
GVariantIter iter;
g_variant_iter_init (&iter, variant);
while (valid && (variant = g_variant_iter_next_value (&iter)))
{
valid = is_valid_choices (variant, strinfo);
g_variant_unref (variant);
}
return valid;
}
case G_VARIANT_CLASS_STRING:
return strinfo_is_string_valid ((const guint32 *) strinfo->str,
strinfo->len / 4,
g_variant_get_string (variant, NULL));
default:
g_assert_not_reached ();
}
}
/* Gets called at </default> </choices> or <range/> to check for
* validity of the default value so that any inconsistency is
* reported as soon as it is encountered.
*/
static void
key_state_check_range (KeyState *state,
GError **error)
{
if (state->default_value)
{
const gchar *tag;
tag = state->is_override ? "override" : "default";
if (state->minimum)
{
if (g_variant_compare (state->default_value, state->minimum) < 0 ||
g_variant_compare (state->default_value, state->maximum) > 0)
{
g_set_error (error, G_MARKUP_ERROR,
G_MARKUP_ERROR_INVALID_CONTENT,
_("<%s> is not contained in "
"the specified range"), tag);
}
}
else if (state->strinfo->len)
{
if (!is_valid_choices (state->default_value, state->strinfo))
{
if (state->is_enum)
g_set_error (error, G_MARKUP_ERROR,
G_MARKUP_ERROR_INVALID_CONTENT,
_("<%s> is not a valid member of "
"the specified enumerated type"), tag);
else if (state->is_flags)
g_set_error (error, G_MARKUP_ERROR,
G_MARKUP_ERROR_INVALID_CONTENT,
_("<%s> contains string not in the "
"specified flags type"), tag);
else
g_set_error (error, G_MARKUP_ERROR,
G_MARKUP_ERROR_INVALID_CONTENT,
_("<%s> contains a string not in "
"<choices>"), tag);
}
}
}
}
static void
key_state_set_range (KeyState *state,
const gchar *min_str,
const gchar *max_str,
GError **error)
{
const struct {
const gchar type;
const gchar *min;
const gchar *max;
} table[] = {
{ 'y', "0", "255" },
{ 'n', "-32768", "32767" },
{ 'q', "0", "65535" },
{ 'i', "-2147483648", "2147483647" },
{ 'u', "0", "4294967295" },
{ 'x', "-9223372036854775808", "9223372036854775807" },
{ 't', "0", "18446744073709551615" },
{ 'd', "-inf", "inf" },
};
gboolean type_ok = FALSE;
gsize i;
if (state->minimum)
{
g_set_error_literal (error, G_MARKUP_ERROR,
G_MARKUP_ERROR_INVALID_CONTENT,
_("<range/> already specified for this key"));
return;
}
for (i = 0; i < G_N_ELEMENTS (table); i++)
if (*(char *) state->type == table[i].type)
{
min_str = min_str ? min_str : table[i].min;
max_str = max_str ? max_str : table[i].max;
type_ok = TRUE;
break;
}
if (!type_ok)
{
gchar *type = g_variant_type_dup_string (state->type);
g_set_error (error, G_MARKUP_ERROR,
G_MARKUP_ERROR_INVALID_CONTENT,
_("<range> not allowed for keys of type “%s”"), type);
g_free (type);
return;
}
state->minimum = g_variant_parse (state->type, min_str, NULL, NULL, error);
if (state->minimum == NULL)
return;
state->maximum = g_variant_parse (state->type, max_str, NULL, NULL, error);
if (state->maximum == NULL)
return;
if (g_variant_compare (state->minimum, state->maximum) > 0)
{
g_set_error (error, G_MARKUP_ERROR,
G_MARKUP_ERROR_INVALID_CONTENT,
_("<range> specified minimum is greater than maximum"));
return;
}
key_state_check_range (state, error);
}
static GString *
key_state_start_default (KeyState *state,
const gchar *l10n,
const gchar *context,
GError **error)
{
if (l10n != NULL)
{
if (strcmp (l10n, "messages") == 0)
state->l10n = 'm';
else if (strcmp (l10n, "time") == 0)
state->l10n = 't';
else
{
g_set_error (error, G_MARKUP_ERROR,
G_MARKUP_ERROR_INVALID_CONTENT,
_("unsupported l10n category: %s"), l10n);
return NULL;
}
if (!state->have_gettext_domain)
{
g_set_error_literal (error, G_MARKUP_ERROR,
G_MARKUP_ERROR_INVALID_CONTENT,
_("l10n requested, but no "
"gettext domain given"));
return NULL;
}
state->l10n_context = g_strdup (context);
}
else if (context != NULL)
{
g_set_error_literal (error, G_MARKUP_ERROR,
G_MARKUP_ERROR_INVALID_CONTENT,
_("translation context given for "
"value without l10n enabled"));
return NULL;
}
return g_string_new (NULL);
}
static void
key_state_end_default (KeyState *state,
GString **string,
GError **error)
{
state->unparsed_default_value = *string;
*string = NULL;
state->default_value = g_variant_parse (state->type,
state->unparsed_default_value->str,
NULL, NULL, error);
if (!state->default_value)
{
gchar *type = g_variant_type_dup_string (state->type);
g_prefix_error (error, _("Failed to parse <default> value of type “%s”: "), type);
g_free (type);
}
key_state_check_range (state, error);
}
static void
key_state_start_choices (KeyState *state,
GError **error)
{
const GVariantType *type = state->type;
if (state->is_enum)
{
g_set_error_literal (error, G_MARKUP_ERROR,
G_MARKUP_ERROR_INVALID_CONTENT,
_("<choices> cannot be specified for keys "
"tagged as having an enumerated type"));
return;
}
if (state->has_choices)
{
g_set_error_literal (error, G_MARKUP_ERROR,
G_MARKUP_ERROR_INVALID_CONTENT,
_("<choices> already specified for this key"));
return;
}
while (g_variant_type_is_maybe (type) || g_variant_type_is_array (type))
type = g_variant_type_element (type);
if (!g_variant_type_equal (type, G_VARIANT_TYPE_STRING))
{
gchar *type_string = g_variant_type_dup_string (state->type);
g_set_error (error, G_MARKUP_ERROR,
G_MARKUP_ERROR_INVALID_CONTENT,
_("<choices> not allowed for keys of type “%s”"),
type_string);
g_free (type_string);
return;
}
}
static void
key_state_add_choice (KeyState *state,
const gchar *choice,
GError **error)
{
if (strinfo_builder_contains (state->strinfo, choice))
{
g_set_error (error, G_MARKUP_ERROR,
G_MARKUP_ERROR_INVALID_CONTENT,
_("<choice value='%s'/> already given"), choice);
return;
}
strinfo_builder_append_item (state->strinfo, choice, 0);
state->has_choices = TRUE;
}
static void
key_state_end_choices (KeyState *state,
GError **error)
{
if (!state->has_choices)
{
g_set_error (error, G_MARKUP_ERROR, G_MARKUP_ERROR_INVALID_CONTENT,
_("<choices> must contain at least one <choice>"));
return;
}
key_state_check_range (state, error);
}
static void
key_state_start_aliases (KeyState *state,
GError **error)
{
if (state->has_aliases)
g_set_error_literal (error, G_MARKUP_ERROR,
G_MARKUP_ERROR_INVALID_CONTENT,
_("<aliases> already specified for this key"));
else if (!state->is_flags && !state->is_enum && !state->has_choices)
g_set_error_literal (error, G_MARKUP_ERROR,
G_MARKUP_ERROR_INVALID_CONTENT,
_("<aliases> can only be specified for keys with "
"enumerated or flags types or after <choices>"));
}
static void
key_state_add_alias (KeyState *state,
const gchar *alias,
const gchar *target,
GError **error)
{
if (strinfo_builder_contains (state->strinfo, alias))
{
if (strinfo_is_string_valid ((guint32 *) state->strinfo->str,
state->strinfo->len / 4,
alias))
{
if (state->is_enum)
g_set_error (error, G_MARKUP_ERROR,
G_MARKUP_ERROR_INVALID_CONTENT,
_("<alias value='%s'/> given when “%s” is already "
"a member of the enumerated type"), alias, alias);
else
g_set_error (error, G_MARKUP_ERROR,
G_MARKUP_ERROR_INVALID_CONTENT,
_("<alias value='%s'/> given when "
"<choice value='%s'/> was already given"),
alias, alias);
}
else
g_set_error (error, G_MARKUP_ERROR,
G_MARKUP_ERROR_INVALID_CONTENT,
_("<alias value='%s'/> already specified"), alias);
return;
}
if (!strinfo_builder_append_alias (state->strinfo, alias, target))
{
g_set_error (error, G_MARKUP_ERROR,
G_MARKUP_ERROR_INVALID_CONTENT,
state->is_enum ?
_("alias target “%s” is not in enumerated type") :
_("alias target “%s” is not in <choices>"),
target);
return;
}
state->has_aliases = TRUE;
}
static void
key_state_end_aliases (KeyState *state,
GError **error)
{
if (!state->has_aliases)
{
g_set_error (error, G_MARKUP_ERROR, G_MARKUP_ERROR_INVALID_CONTENT,
_("<aliases> must contain at least one <alias>"));
return;
}
}
static gboolean
key_state_check (KeyState *state,
GError **error)
{
if (state->checked)
return TRUE;
return state->checked = TRUE;
}
static GVariant *
key_state_serialise (KeyState *state)
{
if (state->serialised == NULL)
{
if (state->child_schema)
{
state->serialised = g_variant_new_string (state->child_schema);
}
else
{
GVariantBuilder builder;
gboolean checked G_GNUC_UNUSED /* when compiling with G_DISABLE_ASSERT */;
checked = key_state_check (state, NULL);
g_assert (checked);
g_variant_builder_init (&builder, G_VARIANT_TYPE_TUPLE);
/* default value */
g_variant_builder_add_value (&builder, state->default_value);
/* translation */
if (state->l10n)
{
/* We are going to store the untranslated default for
* runtime translation according to the current locale.
* We need to strip leading and trailing whitespace from
* the string so that it's exactly the same as the one
* that ended up in the .po file for translation.
*
* We want to do this so that
*
* <default l10n='messages'>
* ['a', 'b', 'c']
* </default>
*
* ends up in the .po file like "['a', 'b', 'c']",
* omitting the extra whitespace at the start and end.
*/
strip_string (state->unparsed_default_value);
if (state->l10n_context)
{
gint len;
/* Contextified messages are supported by prepending
* the context, followed by '\004' to the start of the
* message string. We do that here to save GSettings
* the work later on.
*/
len = strlen (state->l10n_context);
state->l10n_context[len] = '\004';
g_string_prepend_len (state->unparsed_default_value,
state->l10n_context, len + 1);
g_free (state->l10n_context);
state->l10n_context = NULL;
}
g_variant_builder_add (&builder, "(y(y&s))", 'l', state->l10n,
state->unparsed_default_value->str);
g_string_free (state->unparsed_default_value, TRUE);
state->unparsed_default_value = NULL;
}
/* choice, aliases, enums */
if (state->strinfo->len)
{
GVariant *array;
guint32 *words;
gpointer data;
gsize size;
gsize i;
data = state->strinfo->str;
size = state->strinfo->len;
words = data;
for (i = 0; i < size / sizeof (guint32); i++)
words[i] = GUINT32_TO_LE (words[i]);
array = g_variant_new_from_data (G_VARIANT_TYPE ("au"),
data, size, TRUE,
g_free, data);
g_string_free (state->strinfo, FALSE);
state->strinfo = NULL;
g_variant_builder_add (&builder, "(y@au)",
state->is_flags ? 'f' :
state->is_enum ? 'e' : 'c',
array);
}
/* range */
if (state->minimum || state->maximum)
g_variant_builder_add (&builder, "(y(**))", 'r',
state->minimum, state->maximum);
/* per-desktop overrides */
if (state->desktop_overrides)
g_variant_builder_add (&builder, "(y@a{sv})", 'd',
g_variant_dict_end (state->desktop_overrides));
state->serialised = g_variant_builder_end (&builder);
}
g_variant_ref_sink (state->serialised);
}
return g_variant_ref (state->serialised);
}
static void
key_state_free (gpointer data)
{
KeyState *state = data;
g_free (state->child_schema);
if (state->type)
g_variant_type_free (state->type);
g_free (state->l10n_context);
if (state->unparsed_default_value)
g_string_free (state->unparsed_default_value, TRUE);
if (state->default_value)
g_variant_unref (state->default_value);
if (state->strinfo)
g_string_free (state->strinfo, TRUE);
if (state->minimum)
g_variant_unref (state->minimum);
if (state->maximum)
g_variant_unref (state->maximum);
if (state->serialised)
g_variant_unref (state->serialised);
if (state->desktop_overrides)
g_variant_dict_unref (state->desktop_overrides);
g_slice_free (KeyState, state);
}
/* Key name validity {{{1 */
static gboolean allow_any_name = FALSE;
static gboolean
is_valid_keyname (const gchar *key,
GError **error)
{
gint i;
if (key[0] == '\0')
{
g_set_error_literal (error, G_MARKUP_ERROR, G_MARKUP_ERROR_INVALID_CONTENT,
_("Empty names are not permitted"));
return FALSE;
}
if (allow_any_name)
return TRUE;
if (!g_ascii_islower (key[0]))
{
g_set_error (error, G_MARKUP_ERROR, G_MARKUP_ERROR_INVALID_CONTENT,
_("Invalid name “%s”: names must begin "
"with a lowercase letter"), key);
return FALSE;
}
for (i = 1; key[i]; i++)
{
if (key[i] != '-' &&
!g_ascii_islower (key[i]) &&
!g_ascii_isdigit (key[i]))
{
g_set_error (error, G_MARKUP_ERROR, G_MARKUP_ERROR_INVALID_CONTENT,
_("Invalid name “%s”: invalid character “%c”; "
"only lowercase letters, numbers and hyphen (“-”) "
"are permitted"), key, key[i]);
return FALSE;
}
if (key[i] == '-' && key[i + 1] == '-')
{
g_set_error (error, G_MARKUP_ERROR, G_MARKUP_ERROR_INVALID_CONTENT,
_("Invalid name “%s”: two successive hyphens (“--”) "
"are not permitted"), key);
return FALSE;
}
}
if (key[i - 1] == '-')
{
g_set_error (error, G_MARKUP_ERROR, G_MARKUP_ERROR_INVALID_CONTENT,
_("Invalid name “%s”: the last character may not be a "
"hyphen (“-”)"), key);
return FALSE;
}
if (i > 1024)
{
g_set_error (error, G_MARKUP_ERROR, G_MARKUP_ERROR_INVALID_CONTENT,
_("Invalid name “%s”: maximum length is 1024"), key);
return FALSE;
}
return TRUE;
}
/* Handling of <schema> {{{1 */
typedef struct _SchemaState SchemaState;
struct _SchemaState
{
SchemaState *extends;
gchar *path;
gchar *gettext_domain;
gchar *extends_name;
gchar *list_of;
GHashTable *keys;
};
static SchemaState *
schema_state_new (const gchar *path,
const gchar *gettext_domain,
SchemaState *extends,
const gchar *extends_name,
const gchar *list_of)
{
SchemaState *state;
state = g_slice_new (SchemaState);
state->path = g_strdup (path);
state->gettext_domain = g_strdup (gettext_domain);
state->extends = extends;
state->extends_name = g_strdup (extends_name);
state->list_of = g_strdup (list_of);
state->keys = g_hash_table_new_full (g_str_hash, g_str_equal,
g_free, key_state_free);
return state;
}
static void
schema_state_free (gpointer data)
{
SchemaState *state = data;
g_free (state->path);
g_free (state->gettext_domain);
g_free (state->extends_name);
g_free (state->list_of);
g_hash_table_unref (state->keys);
g_slice_free (SchemaState, state);
}
static void
schema_state_add_child (SchemaState *state,
const gchar *name,
const gchar *schema,
GError **error)
{
gchar *childname;
if (!is_valid_keyname (name, error))
return;
childname = g_strconcat (name, "/", NULL);
if (g_hash_table_lookup (state->keys, childname))
{
g_set_error (error, G_MARKUP_ERROR,
G_MARKUP_ERROR_INVALID_CONTENT,
_("<child name='%s'> already specified"), name);
return;
}
g_hash_table_insert (state->keys, childname,
key_state_new_child (schema));
}
static KeyState *
schema_state_add_key (SchemaState *state,
GHashTable *enum_table,
GHashTable *flags_table,
const gchar *name,
const gchar *type_string,
const gchar *enum_type,
const gchar *flags_type,
GError **error)
{
SchemaState *node;
GString *strinfo;
KeyState *key;
if (state->list_of)
{
g_set_error_literal (error, G_MARKUP_ERROR,
G_MARKUP_ERROR_INVALID_CONTENT,
_("Cannot add keys to a “list-of” schema"));
return NULL;
}
if (!is_valid_keyname (name, error))
return NULL;
if (g_hash_table_lookup (state->keys, name))
{
g_set_error (error, G_MARKUP_ERROR,
G_MARKUP_ERROR_INVALID_CONTENT,
_("<key name='%s'> already specified"), name);
return NULL;
}
for (node = state; node; node = node->extends)
if (node->extends)
{
KeyState *shadow;
shadow = g_hash_table_lookup (node->extends->keys, name);
/* in case of <key> <override> <key> make sure we report the
* location of the original <key>, not the <override>.
*/
if (shadow && !shadow->is_override)
{
g_set_error (error, G_MARKUP_ERROR,
G_MARKUP_ERROR_INVALID_CONTENT,
_("<key name='%s'> shadows <key name='%s'> in "
"<schema id='%s'>; use <override> to modify value"),
name, name, node->extends_name);
return NULL;
}
}
if ((type_string != NULL) + (enum_type != NULL) + (flags_type != NULL) != 1)
{
g_set_error (error, G_MARKUP_ERROR,
G_MARKUP_ERROR_MISSING_ATTRIBUTE,
_("Exactly one of “type”, “enum” or “flags” must "
"be specified as an attribute to <key>"));
return NULL;
}
if (type_string == NULL) /* flags or enums was specified */
{
EnumState *enum_state;
if (enum_type)
enum_state = g_hash_table_lookup (enum_table, enum_type);
else
enum_state = g_hash_table_lookup (flags_table, flags_type);
if (enum_state == NULL)
{
g_set_error (error, G_MARKUP_ERROR,
G_MARKUP_ERROR_INVALID_CONTENT,
_("<%s id='%s'> not (yet) defined."),
flags_type ? "flags" : "enum",
flags_type ? flags_type : enum_type);
return NULL;
}
type_string = flags_type ? "as" : "s";
strinfo = enum_state->strinfo;
}
else
{
if (!g_variant_type_string_is_valid (type_string))
{
g_set_error (error, G_MARKUP_ERROR,
G_MARKUP_ERROR_INVALID_CONTENT,
_("Invalid GVariant type string “%s”"), type_string);
return NULL;
}
strinfo = NULL;
}
key = key_state_new (type_string, state->gettext_domain,
enum_type != NULL, flags_type != NULL, strinfo);
g_hash_table_insert (state->keys, g_strdup (name), key);
return key;
}
static void
schema_state_add_override (SchemaState *state,
KeyState **key_state,
GString **string,
const gchar *key,
const gchar *l10n,
const gchar *context,
GError **error)
{
SchemaState *parent;
KeyState *original = NULL;
if (state->extends == NULL)
{
g_set_error_literal (error, G_MARKUP_ERROR,
G_MARKUP_ERROR_INVALID_CONTENT,
_("<override> given but schema isn’t "
"extending anything"));
return;
}
for (parent = state->extends; parent; parent = parent->extends)
if ((original = g_hash_table_lookup (parent->keys, key)))
break;
if (original == NULL)
{
g_set_error (error, G_MARKUP_ERROR,
G_MARKUP_ERROR_INVALID_CONTENT,
_("No <key name='%s'> to override"), key);
return;
}
if (g_hash_table_lookup (state->keys, key))
{
g_set_error (error, G_MARKUP_ERROR,
G_MARKUP_ERROR_INVALID_CONTENT,
_("<override name='%s'> already specified"), key);
return;
}
*key_state = key_state_override (original, state->gettext_domain);
*string = key_state_start_default (*key_state, l10n, context, error);
g_hash_table_insert (state->keys, g_strdup (key), *key_state);
}
static void
override_state_end (KeyState **key_state,
GString **string,
GError **error)
{
key_state_end_default (*key_state, string, error);
*key_state = NULL;
}
/* Handling of toplevel state {{{1 */
typedef struct
{
gboolean strict; /* TRUE if --strict was given */
GHashTable *schema_table; /* string -> SchemaState */
GHashTable *flags_table; /* string -> EnumState */
GHashTable *enum_table; /* string -> EnumState */
GSList *this_file_schemas; /* strings: <schema>s in this file */
GSList *this_file_flagss; /* strings: <flags>s in this file */
GSList *this_file_enums; /* strings: <enum>s in this file */
gchar *schemalist_domain; /* the <schemalist> gettext domain */
SchemaState *schema_state; /* non-NULL when inside <schema> */
KeyState *key_state; /* non-NULL when inside <key> */
EnumState *enum_state; /* non-NULL when inside <enum> */
GString *string; /* non-NULL when accepting text */
} ParseState;
static gboolean
is_subclass (const gchar *class_name,
const gchar *possible_parent,
GHashTable *schema_table)
{
SchemaState *class;
if (strcmp (class_name, possible_parent) == 0)
return TRUE;
class = g_hash_table_lookup (schema_table, class_name);
g_assert (class != NULL);
return class->extends_name &&
is_subclass (class->extends_name, possible_parent, schema_table);
}
static void
parse_state_start_schema (ParseState *state,
const gchar *id,
const gchar *path,
const gchar *gettext_domain,
const gchar *extends_name,
const gchar *list_of,
GError **error)
{
SchemaState *extends;
gchar *my_id;
if (g_hash_table_lookup (state->schema_table, id))
{
g_set_error (error, G_MARKUP_ERROR,
G_MARKUP_ERROR_INVALID_CONTENT,
_("<schema id='%s'> already specified"), id);
return;
}
if (extends_name)
{
extends = g_hash_table_lookup (state->schema_table, extends_name);
if (extends == NULL)
{
g_set_error (error, G_MARKUP_ERROR,
G_MARKUP_ERROR_INVALID_CONTENT,
_("<schema id='%s'> extends not yet existing "
"schema “%s”"), id, extends_name);
return;
}
}
else
extends = NULL;
if (list_of)
{
SchemaState *tmp;
if (!(tmp = g_hash_table_lookup (state->schema_table, list_of)))
{
g_set_error (error, G_MARKUP_ERROR,
G_MARKUP_ERROR_INVALID_CONTENT,
_("<schema id='%s'> is list of not yet existing "
"schema “%s”"), id, list_of);
return;
}
if (tmp->path)
{
g_set_error (error, G_MARKUP_ERROR, G_MARKUP_ERROR_INVALID_CONTENT,
_("Cannot be a list of a schema with a path"));
return;
}
}
if (extends)
{
if (extends->path)
{
g_set_error (error, G_MARKUP_ERROR, G_MARKUP_ERROR_INVALID_CONTENT,
_("Cannot extend a schema with a path"));
return;
}
if (list_of)
{
if (extends->list_of == NULL)
{
g_set_error (error, G_MARKUP_ERROR,
G_MARKUP_ERROR_INVALID_CONTENT,
_("<schema id='%s'> is a list, extending "
"<schema id='%s'> which is not a list"),
id, extends_name);
return;
}
if (!is_subclass (list_of, extends->list_of, state->schema_table))
{
g_set_error (error, G_MARKUP_ERROR,
G_MARKUP_ERROR_INVALID_CONTENT,
_("<schema id='%s' list-of='%s'> extends <schema "
"id='%s' list-of='%s'> but “%s” does not "
"extend “%s”"), id, list_of, extends_name,
extends->list_of, list_of, extends->list_of);
return;
}
}
else
/* by default we are a list of the same thing that the schema
* we are extending is a list of (which might be nothing)
*/
list_of = extends->list_of;
}
if (path && !(g_str_has_prefix (path, "/") && g_str_has_suffix (path, "/")))
{
g_set_error (error, G_MARKUP_ERROR, G_MARKUP_ERROR_INVALID_CONTENT,
_("A path, if given, must begin and end with a slash"));
return;
}
if (path && list_of && !g_str_has_suffix (path, ":/"))
{
g_set_error (error, G_MARKUP_ERROR, G_MARKUP_ERROR_INVALID_CONTENT,
_("The path of a list must end with “:/”"));
return;
}
if (path && (g_str_has_prefix (path, "/apps/") ||
g_str_has_prefix (path, "/desktop/") ||
g_str_has_prefix (path, "/system/")))
{
gchar *message = NULL;
message = g_strdup_printf (_("Warning: Schema “%s” has path “%s”. "
"Paths starting with "
"“/apps/”, “/desktop/” or “/system/” are deprecated."),
id, path);
g_printerr ("%s\n", message);
g_free (message);
}
state->schema_state = schema_state_new (path, gettext_domain,
extends, extends_name, list_of);
my_id = g_strdup (id);
state->this_file_schemas = g_slist_prepend (state->this_file_schemas, my_id);
g_hash_table_insert (state->schema_table, my_id, state->schema_state);
}
static void
parse_state_start_enum (ParseState *state,
const gchar *id,
gboolean is_flags,
GError **error)
{
GSList **list = is_flags ? &state->this_file_flagss : &state->this_file_enums;
GHashTable *table = is_flags ? state->flags_table : state->enum_table;
gchar *my_id;
if (g_hash_table_lookup (table, id))
{
g_set_error (error, G_MARKUP_ERROR,
G_MARKUP_ERROR_INVALID_CONTENT,
_("<%s id='%s'> already specified"),
is_flags ? "flags" : "enum", id);
return;
}
state->enum_state = enum_state_new (is_flags);
my_id = g_strdup (id);
*list = g_slist_prepend (*list, my_id);
g_hash_table_insert (table, my_id, state->enum_state);
}
/* GMarkup Parser Functions {{{1 */
/* Start element {{{2 */
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 NO_ATTRS() COLLECT (G_MARKUP_COLLECT_INVALID, NULL)
/* Toplevel items {{{3 */
if (container == NULL)
{
if (strcmp (element_name, "schemalist") == 0)
{
COLLECT (OPTIONAL | STRDUP,
"gettext-domain",
&state->schemalist_domain);
return;
}
}
/* children of <schemalist> {{{3 */
else if (strcmp (container, "schemalist") == 0)
{
if (strcmp (element_name, "schema") == 0)
{
const gchar *id, *path, *gettext_domain, *extends, *list_of;
if (COLLECT (STRING, "id", &id,
OPTIONAL | STRING, "path", &path,
OPTIONAL | STRING, "gettext-domain", &gettext_domain,
OPTIONAL | STRING, "extends", &extends,
OPTIONAL | STRING, "list-of", &list_of))
parse_state_start_schema (state, id, path,
gettext_domain ? gettext_domain
: state->schemalist_domain,
extends, list_of, error);
return;
}
else if (strcmp (element_name, "enum") == 0)
{
const gchar *id;
if (COLLECT (STRING, "id", &id))
parse_state_start_enum (state, id, FALSE, error);
return;
}
else if (strcmp (element_name, "flags") == 0)
{
const gchar *id;
if (COLLECT (STRING, "id", &id))
parse_state_start_enum (state, id, TRUE, error);
return;
}
}
/* children of <schema> {{{3 */
else if (strcmp (container, "schema") == 0)
{
if (strcmp (element_name, "key") == 0)
{
const gchar *name, *type_string, *enum_type, *flags_type;
if (COLLECT (STRING, "name", &name,
OPTIONAL | STRING, "type", &type_string,
OPTIONAL | STRING, "enum", &enum_type,
OPTIONAL | STRING, "flags", &flags_type))
state->key_state = schema_state_add_key (state->schema_state,
state->enum_table,
state->flags_table,
name, type_string,
enum_type, flags_type,
error);
return;
}
else if (strcmp (element_name, "child") == 0)
{
const gchar *name, *schema;
if (COLLECT (STRING, "name", &name, STRING, "schema", &schema))
schema_state_add_child (state->schema_state,
name, schema, error);
return;
}
else if (strcmp (element_name, "override") == 0)
{
const gchar *name, *l10n, *str_context;
if (COLLECT (STRING, "name", &name,
OPTIONAL | STRING, "l10n", &l10n,
OPTIONAL | STRING, "context", &str_context))
schema_state_add_override (state->schema_state,
&state->key_state, &state->string,
name, l10n, str_context, error);
return;
}
}
/* children of <key> {{{3 */
else if (strcmp (container, "key") == 0)
{
if (strcmp (element_name, "default") == 0)
{
const gchar *l10n, *str_context;
if (COLLECT (STRING | OPTIONAL, "l10n", &l10n,
STRING | OPTIONAL, "context", &str_context))
state->string = key_state_start_default (state->key_state,
l10n, str_context, error);
return;
}
else if (strcmp (element_name, "summary") == 0)
{
if (NO_ATTRS ())
{
if (state->key_state->summary_seen && state->strict)
g_set_error (error, G_MARKUP_ERROR, G_MARKUP_ERROR_INVALID_CONTENT,
_("Only one <%s> element allowed inside <%s>"),
element_name, container);
else
state->string = g_string_new (NULL);
state->key_state->summary_seen = TRUE;
}
return;
}
else if (strcmp (element_name, "description") == 0)
{
if (NO_ATTRS ())
{
if (state->key_state->description_seen && state->strict)
g_set_error (error, G_MARKUP_ERROR, G_MARKUP_ERROR_INVALID_CONTENT,
_("Only one <%s> element allowed inside <%s>"),
element_name, container);
else
state->string = g_string_new (NULL);
state->key_state->description_seen = TRUE;
}
return;
}
else if (strcmp (element_name, "range") == 0)
{
const gchar *min, *max;
if (COLLECT (STRING | OPTIONAL, "min", &min,
STRING | OPTIONAL, "max", &max))
key_state_set_range (state->key_state, min, max, error);
return;
}
else if (strcmp (element_name, "choices") == 0)
{
if (NO_ATTRS ())
key_state_start_choices (state->key_state, error);
return;
}
else if (strcmp (element_name, "aliases") == 0)
{
if (NO_ATTRS ())
key_state_start_aliases (state->key_state, error);
return;
}
}
/* children of <choices> {{{3 */
else if (strcmp (container, "choices") == 0)
{
if (strcmp (element_name, "choice") == 0)
{
const gchar *value;
if (COLLECT (STRING, "value", &value))
key_state_add_choice (state->key_state, value, error);
return;
}
}
/* children of <aliases> {{{3 */
else if (strcmp (container, "aliases") == 0)
{
if (strcmp (element_name, "alias") == 0)
{
const gchar *value, *target;
if (COLLECT (STRING, "value", &value, STRING, "target", &target))
key_state_add_alias (state->key_state, value, target, error);
return;
}
}
/* children of <enum> {{{3 */
else if (strcmp (container, "enum") == 0 ||
strcmp (container, "flags") == 0)
{
if (strcmp (element_name, "value") == 0)
{
const gchar *nick, *valuestr;
if (COLLECT (STRING, "nick", &nick,
STRING, "value", &valuestr))
enum_state_add_value (state->enum_state, nick, valuestr, error);
return;
}
}
/* 3}}} */
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 the top level"), element_name);
}
/* 2}}} */
/* End element {{{2 */
static void
key_state_end (KeyState **state_ptr,
GError **error)
{
KeyState *state;
state = *state_ptr;
*state_ptr = NULL;
if (state->default_value == NULL)
{
g_set_error_literal (error,
G_MARKUP_ERROR, G_MARKUP_ERROR_INVALID_CONTENT,
_("Element <default> is required in <key>"));
return;
}
}
static void
schema_state_end (SchemaState **state_ptr,
GError **error)
{
*state_ptr = NULL;
}
static void
end_element (GMarkupParseContext *context,
const gchar *element_name,
gpointer user_data,
GError **error)
{
ParseState *state = user_data;
if (strcmp (element_name, "schemalist") == 0)
{
g_free (state->schemalist_domain);
state->schemalist_domain = NULL;
}
else if (strcmp (element_name, "enum") == 0 ||
strcmp (element_name, "flags") == 0)
enum_state_end (&state->enum_state, error);
else if (strcmp (element_name, "schema") == 0)
schema_state_end (&state->schema_state, error);
else if (strcmp (element_name, "override") == 0)
override_state_end (&state->key_state, &state->string, error);
else if (strcmp (element_name, "key") == 0)
key_state_end (&state->key_state, error);
else if (strcmp (element_name, "default") == 0)
key_state_end_default (state->key_state, &state->string, error);
else if (strcmp (element_name, "choices") == 0)
key_state_end_choices (state->key_state, error);
else if (strcmp (element_name, "aliases") == 0)
key_state_end_aliases (state->key_state, error);
if (state->string)
{
g_string_free (state->string, TRUE);
state->string = NULL;
}
}
/* Text {{{2 */
static void
text (GMarkupParseContext *context,
const gchar *text,
gsize text_len,
gpointer user_data,
GError **error)
{
ParseState *state = user_data;
if (state->string)
{
/* we are expecting a string, so store the text data.
*
* we store the data verbatim here and deal with whitespace
* later on. there are two reasons for that:
*
* 1) whitespace is handled differently depending on the tag
* type.
*
* 2) we could do leading whitespace removal by refusing to
* insert it into state->string if it's at the start, but for
* trailing whitespace, we have no idea if there is another
* text() call coming or not.
*/
g_string_append_len (state->string, text, text_len);
}
else
{
/* string is not expected: accept (and ignore) pure whitespace */
gsize i;
for (i = 0; i < text_len; i++)
if (!g_ascii_isspace (text[i]))
{
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;
}
}
}
/* Write to GVDB {{{1 */
typedef struct
{
GHashTable *table;
GvdbItem *root;
} GvdbPair;
static void
gvdb_pair_init (GvdbPair *pair)
{
pair->table = gvdb_hash_table_new (NULL, NULL);
pair->root = gvdb_hash_table_insert (pair->table, "");
}
static void
gvdb_pair_clear (GvdbPair *pair)
{
g_hash_table_unref (pair->table);
}
typedef struct
{
GHashTable *schema_table;
GvdbPair root_pair;
} WriteToFileData;
typedef struct
{
GHashTable *schema_table;
GvdbPair pair;
gboolean l10n;
} OutputSchemaData;
static void
output_key (gpointer key,
gpointer value,
gpointer user_data)
{
OutputSchemaData *data;
const gchar *name;
KeyState *state;
GvdbItem *item;
GVariant *serialised = NULL;
name = key;
state = value;
data = user_data;
item = gvdb_hash_table_insert (data->pair.table, name);
gvdb_item_set_parent (item, data->pair.root);
serialised = key_state_serialise (state);
gvdb_item_set_value (item, serialised);
g_variant_unref (serialised);
if (state->l10n)
data->l10n = TRUE;
if (state->child_schema &&
!g_hash_table_lookup (data->schema_table, state->child_schema))
{
gchar *message = NULL;
message = g_strdup_printf (_("Warning: undefined reference to <schema id='%s'/>"),
state->child_schema);
g_printerr ("%s\n", message);
g_free (message);
}
}
static void
output_schema (gpointer key,
gpointer value,
gpointer user_data)
{
WriteToFileData *wtf_data = user_data;
OutputSchemaData data;
GvdbPair *root_pair;
SchemaState *state;
const gchar *id;
GvdbItem *item;
id = key;
state = value;
root_pair = &wtf_data->root_pair;
data.schema_table = wtf_data->schema_table;
gvdb_pair_init (&data.pair);
data.l10n = FALSE;
item = gvdb_hash_table_insert (root_pair->table, id);
gvdb_item_set_parent (item, root_pair->root);
gvdb_item_set_hash_table (item, data.pair.table);
g_hash_table_foreach (state->keys, output_key, &data);
if (state->path)
gvdb_hash_table_insert_string (data.pair.table, ".path", state->path);
if (state->extends_name)
gvdb_hash_table_insert_string (data.pair.table, ".extends",
state->extends_name);
if (state->list_of)
gvdb_hash_table_insert_string (data.pair.table, ".list-of",
state->list_of);
if (data.l10n)
gvdb_hash_table_insert_string (data.pair.table,
".gettext-domain",
state->gettext_domain);
gvdb_pair_clear (&data.pair);
}
static gboolean
write_to_file (GHashTable *schema_table,
const gchar *filename,
GError **error)
{
WriteToFileData data;
gboolean success;
data.schema_table = schema_table;
gvdb_pair_init (&data.root_pair);
g_hash_table_foreach (schema_table, output_schema, &data);
success = gvdb_table_write_contents (data.root_pair.table, filename,
G_BYTE_ORDER != G_LITTLE_ENDIAN,
error);
g_hash_table_unref (data.root_pair.table);
return success;
}
/* Parser driver {{{1 */
static GHashTable *
parse_gschema_files (gchar **files,
gboolean strict)
{
GMarkupParser parser = { start_element, end_element, text, NULL, NULL };
ParseState state = { 0, };
const gchar *filename;
GError *error = NULL;
state.strict = strict;
state.enum_table = g_hash_table_new_full (g_str_hash, g_str_equal,
g_free, enum_state_free);
state.flags_table = g_hash_table_new_full (g_str_hash, g_str_equal,
g_free, enum_state_free);
state.schema_table = g_hash_table_new_full (g_str_hash, g_str_equal,
g_free, schema_state_free);
while ((filename = *files++) != NULL)
{
GMarkupParseContext *context;
gchar *contents;
gsize size;
gint line, col;
if (!g_file_get_contents (filename, &contents, &size, &error))
{
fprintf (stderr, "%s\n", error->message);
g_clear_error (&error);
continue;
}
context = g_markup_parse_context_new (&parser,
G_MARKUP_TREAT_CDATA_AS_TEXT |
G_MARKUP_PREFIX_ERROR_POSITION |
G_MARKUP_IGNORE_QUALIFIED,
&state, NULL);
if (!g_markup_parse_context_parse (context, contents, size, &error) ||
!g_markup_parse_context_end_parse (context, &error))
{
GSList *item;
/* back out any changes from this file */
for (item = state.this_file_schemas; item; item = item->next)
g_hash_table_remove (state.schema_table, item->data);
for (item = state.this_file_flagss; item; item = item->next)
g_hash_table_remove (state.flags_table, item->data);
for (item = state.this_file_enums; item; item = item->next)
g_hash_table_remove (state.enum_table, item->data);
/* let them know */
g_markup_parse_context_get_position (context, &line, &col);
fprintf (stderr, "%s:%d:%d %s. ", filename, line, col, error->message);
g_clear_error (&error);
if (strict)
{
/* Translators: Do not translate "--strict". */
fprintf (stderr, "%s\n", _("--strict was specified; exiting."));
g_hash_table_unref (state.schema_table);
g_hash_table_unref (state.flags_table);
g_hash_table_unref (state.enum_table);
g_free (contents);
return NULL;
}
else
{
fprintf (stderr, "%s\n", _("This entire file has been ignored."));
}
}
/* cleanup */
g_free (contents);
g_markup_parse_context_free (context);
g_slist_free (state.this_file_schemas);
g_slist_free (state.this_file_flagss);
g_slist_free (state.this_file_enums);
state.this_file_schemas = NULL;
state.this_file_flagss = NULL;
state.this_file_enums = NULL;
}
g_hash_table_unref (state.flags_table);
g_hash_table_unref (state.enum_table);
return state.schema_table;
}
static gint
compare_strings (gconstpointer a,
gconstpointer b)
{
const gchar *one = a;
const gchar *two = b;
gint cmp;
cmp = g_str_has_suffix (two, ".enums.xml") -
g_str_has_suffix (one, ".enums.xml");
if (!cmp)
cmp = strcmp (one, two);
return cmp;
}
static gboolean
set_overrides (GHashTable *schema_table,
gchar **files,
gboolean strict)
{
const gchar *filename;
GError *error = NULL;
while ((filename = *files++))
{
GKeyFile *key_file;
gchar **groups;
gint i;
g_debug ("Processing override file '%s'", filename);
key_file = g_key_file_new ();
if (!g_key_file_load_from_file (key_file, filename, 0, &error))
{
fprintf (stderr, "%s: %s. ", filename, error->message);
g_key_file_free (key_file);
g_clear_error (&error);
if (!strict)
{
fprintf (stderr, "%s\n", _("Ignoring this file."));
continue;
}
fprintf (stderr, "%s\n", _("--strict was specified; exiting."));
return FALSE;
}
groups = g_key_file_get_groups (key_file, NULL);
for (i = 0; groups[i]; i++)
{
const gchar *group = groups[i];
const gchar *schema_name;
const gchar *desktop_id;
SchemaState *schema;
gchar **pieces;
gchar **keys;
gint j;
pieces = g_strsplit (group, ":", 2);
schema_name = pieces[0];
desktop_id = pieces[1];
g_debug ("Processing group '%s' (schema '%s', %s)",
group, schema_name, desktop_id ? desktop_id : "all desktops");
schema = g_hash_table_lookup (schema_table, schema_name);
if (schema == NULL)
{
/* Having the schema not be installed is expected to be a
* common case. Don't even emit an error message about
* that.
*/
g_strfreev (pieces);
continue;
}
keys = g_key_file_get_keys (key_file, group, NULL, NULL);
g_assert (keys != NULL);
for (j = 0; keys[j]; j++)
{
const gchar *key = keys[j];
KeyState *state;
GVariant *value;
gchar *string;
state = g_hash_table_lookup (schema->keys, key);
if (state == NULL)
{
if (!strict)
{
fprintf (stderr, _("No such key “%s” in schema “%s” as "
"specified in override file “%s”; "
"ignoring override for this key."),
key, group, filename);
fprintf (stderr, "\n");
continue;
}
fprintf (stderr, _("No such key “%s” in schema “%s” as "
"specified in override file “%s” and "
"--strict was specified; exiting."),
key, group, filename);
fprintf (stderr, "\n");
g_key_file_free (key_file);
g_strfreev (pieces);
g_strfreev (groups);
g_strfreev (keys);
return FALSE;
}
if (desktop_id != NULL && state->l10n)
{
/* Let's avoid the n*m case of per-desktop localised
* default values, and just forbid it.
*/
if (!strict)
{
fprintf (stderr,
_("Cannot provide per-desktop overrides for "
"localized key “%s” in schema “%s” (override "
"file “%s”); ignoring override for this key."),
key, group, filename);
fprintf (stderr, "\n");
continue;
}
fprintf (stderr,
_("Cannot provide per-desktop overrides for "
"localized key “%s” in schema “%s” (override "
"file “%s”) and --strict was specified; exiting."),
key, group, filename);
fprintf (stderr, "\n");
g_key_file_free (key_file);
g_strfreev (pieces);
g_strfreev (groups);
g_strfreev (keys);
return FALSE;
}
string = g_key_file_get_value (key_file, group, key, NULL);
g_assert (string != NULL);
value = g_variant_parse (state->type, string,
NULL, NULL, &error);
if (value == NULL)
{
if (!strict)
{
fprintf (stderr, _("Error parsing key “%s” in schema “%s” "
"as specified in override file “%s”: "
"%s. Ignoring override for this key."),
key, group, filename, error->message);
fprintf (stderr, "\n");
g_clear_error (&error);
g_free (string);
continue;
}
fprintf (stderr, _("Error parsing key “%s” in schema “%s” "
"as specified in override file “%s”: "
"%s. --strict was specified; exiting."),
key, group, filename, error->message);
fprintf (stderr, "\n");
g_clear_error (&error);
g_free (string);
g_key_file_free (key_file);
g_strfreev (pieces);
g_strfreev (groups);
g_strfreev (keys);
return FALSE;
}
if (state->minimum)
{
if (g_variant_compare (value, state->minimum) < 0 ||
g_variant_compare (value, state->maximum) > 0)
{
g_variant_unref (value);
g_free (string);
if (!strict)
{
fprintf (stderr,
_("Override for key “%s” in schema “%s” in "
"override file “%s” is outside the range "
"given in the schema; ignoring override "
"for this key."),
key, group, filename);
fprintf (stderr, "\n");
continue;
}
fprintf (stderr,
_("Override for key “%s” in schema “%s” in "
"override file “%s” is outside the range "
"given in the schema and --strict was "
"specified; exiting."),
key, group, filename);
fprintf (stderr, "\n");
g_key_file_free (key_file);
g_strfreev (pieces);
g_strfreev (groups);
g_strfreev (keys);
return FALSE;
}
}
else if (state->strinfo->len)
{
if (!is_valid_choices (value, state->strinfo))
{
g_variant_unref (value);
g_free (string);
if (!strict)
{
fprintf (stderr,
_("Override for key “%s” in schema “%s” in "
"override file “%s” is not in the list "
"of valid choices; ignoring override for "
"this key."),
key, group, filename);
fprintf (stderr, "\n");
continue;
}
fprintf (stderr,
_("Override for key “%s” in schema “%s” in "
"override file “%s” is not in the list "
"of valid choices and --strict was specified; "
"exiting."),
key, group, filename);
fprintf (stderr, "\n");
g_key_file_free (key_file);
g_strfreev (pieces);
g_strfreev (groups);
g_strfreev (keys);
return FALSE;
}
}
if (desktop_id != NULL)
{
if (state->desktop_overrides == NULL)
state->desktop_overrides = g_variant_dict_new (NULL);
g_variant_dict_insert_value (state->desktop_overrides, desktop_id, value);
g_variant_unref (value);
}
else
{
g_variant_unref (state->default_value);
state->default_value = value;
}
g_free (string);
}
g_strfreev (pieces);
g_strfreev (keys);
}
g_strfreev (groups);
g_key_file_free (key_file);
}
return TRUE;
}
int
main (int argc, char **argv)
{
GError *error = NULL;
GHashTable *table = NULL;
GDir *dir = NULL;
const gchar *file;
const gchar *srcdir;
gboolean show_version_and_exit = FALSE;
gchar *targetdir = NULL;
gchar *target = NULL;
gboolean dry_run = FALSE;
gboolean strict = FALSE;
gchar **schema_files = NULL;
gchar **override_files = NULL;
GOptionContext *context = NULL;
gint retval;
GOptionEntry entries[] = {
{ "version", 0, 0, G_OPTION_ARG_NONE, &show_version_and_exit, N_("Show program version and exit"), NULL },
{ "targetdir", 0, 0, G_OPTION_ARG_FILENAME, &targetdir, N_("Where to store the gschemas.compiled file"), N_("DIRECTORY") },
{ "strict", 0, 0, G_OPTION_ARG_NONE, &strict, N_("Abort on any errors in schemas"), NULL },
{ "dry-run", 0, 0, G_OPTION_ARG_NONE, &dry_run, N_("Do not write the gschema.compiled file"), NULL },
{ "allow-any-name", 0, 0, G_OPTION_ARG_NONE, &allow_any_name, N_("Do not enforce key name restrictions"), NULL },
/* These options are only for use in the gschema-compile tests */
{ "schema-file", 0, G_OPTION_FLAG_HIDDEN, G_OPTION_ARG_FILENAME_ARRAY, &schema_files, NULL, NULL },
{ "override-file", 0, G_OPTION_FLAG_HIDDEN, G_OPTION_ARG_FILENAME_ARRAY, &override_files, NULL, NULL },
G_OPTION_ENTRY_NULL
};
#ifdef G_OS_WIN32
gchar *tmp = NULL;
#endif
setlocale (LC_ALL, GLIB_DEFAULT_LOCALE);
textdomain (GETTEXT_PACKAGE);
#ifdef G_OS_WIN32
tmp = _glib_get_locale_dir ();
bindtextdomain (GETTEXT_PACKAGE, 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_("DIRECTORY"));
g_option_context_set_translation_domain (context, GETTEXT_PACKAGE);
g_option_context_set_summary (context,
N_("Compile all GSettings schema files into a schema cache.\n"
"Schema files are required to have the extension .gschema.xml,\n"
"and the cache file is called gschemas.compiled."));
g_option_context_add_main_entries (context, entries, GETTEXT_PACKAGE);
if (!g_option_context_parse (context, &argc, &argv, &error))
{
fprintf (stderr, "%s\n", error->message);
retval = 1;
goto done;
}
if (show_version_and_exit)
{
g_print (PACKAGE_VERSION "\n");
retval = 0;
goto done;
}
if (!schema_files && argc != 2)
{
fprintf (stderr, "%s\n", _("You should give exactly one directory name"));
retval = 1;
goto done;
}
srcdir = argv[1];
target = g_build_filename (targetdir ? targetdir : srcdir, "gschemas.compiled", NULL);
if (!schema_files)
{
GPtrArray *overrides;
GPtrArray *files;
files = g_ptr_array_new ();
overrides = g_ptr_array_new ();
dir = g_dir_open (srcdir, 0, &error);
if (dir == NULL)
{
fprintf (stderr, "%s\n", error->message);
g_ptr_array_unref (files);
g_ptr_array_unref (overrides);
retval = 1;
goto done;
}
while ((file = g_dir_read_name (dir)) != NULL)
{
if (g_str_has_suffix (file, ".gschema.xml") ||
g_str_has_suffix (file, ".enums.xml"))
g_ptr_array_add (files, g_build_filename (srcdir, file, NULL));
else if (g_str_has_suffix (file, ".gschema.override"))
g_ptr_array_add (overrides,
g_build_filename (srcdir, file, NULL));
}
if (files->len == 0)
{
if (g_unlink (target))
fprintf (stdout, "%s\n", _("No schema files found: doing nothing."));
else
fprintf (stdout, "%s\n", _("No schema files found: removed existing output file."));
g_ptr_array_unref (files);
g_ptr_array_unref (overrides);
retval = 0;
goto done;
}
g_ptr_array_sort_values (files, compare_strings);
g_ptr_array_add (files, NULL);
g_ptr_array_sort_values (overrides, compare_strings);
g_ptr_array_add (overrides, NULL);
schema_files = (char **) g_ptr_array_free (files, FALSE);
override_files = (gchar **) g_ptr_array_free (overrides, FALSE);
}
if ((table = parse_gschema_files (schema_files, strict)) == NULL)
{
retval = 1;
goto done;
}
if (override_files != NULL &&
!set_overrides (table, override_files, strict))
{
retval = 1;
goto done;
}
if (!dry_run && !write_to_file (table, target, &error))
{
fprintf (stderr, "%s\n", error->message);
retval = 1;
goto done;
}
/* Success. */
retval = 0;
done:
g_clear_error (&error);
g_clear_pointer (&table, g_hash_table_unref);
g_clear_pointer (&dir, g_dir_close);
g_free (targetdir);
g_free (target);
g_strfreev (schema_files);
g_strfreev (override_files);
g_option_context_free (context);
#ifdef G_OS_WIN32
g_free (tmp);
#endif
return retval;
}
/* Epilogue {{{1 */
/* vim:set foldmethod=marker: */
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