summaryrefslogtreecommitdiffstats
path: root/app/core/gimp-units.c
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:30:19 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:30:19 +0000
commit5c1676dfe6d2f3c837a5e074117b45613fd29a72 (patch)
treecbffb45144febf451e54061db2b21395faf94bfe /app/core/gimp-units.c
parentInitial commit. (diff)
downloadgimp-63d1391ab989f6cb1b9abeaca4ec268574f16491.tar.xz
gimp-63d1391ab989f6cb1b9abeaca4ec268574f16491.zip
Adding upstream version 2.10.34.upstream/2.10.34upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'app/core/gimp-units.c')
-rw-r--r--app/core/gimp-units.c488
1 files changed, 488 insertions, 0 deletions
diff --git a/app/core/gimp-units.c b/app/core/gimp-units.c
new file mode 100644
index 0000000..22caca1
--- /dev/null
+++ b/app/core/gimp-units.c
@@ -0,0 +1,488 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995-1999 Spencer Kimball and Peter Mattis
+ *
+ * gimpunit.c
+ * Copyright (C) 1999-2000 Michael Natterer <mitch@gimp.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+/* This file contains functions to load & save the file containing the
+ * user-defined size units, when the application starts/finished.
+ */
+
+#include "config.h"
+
+#include <gio/gio.h>
+
+#include "libgimpbase/gimpbase.h"
+#include "libgimpbase/gimpbase-private.h"
+#include "libgimpconfig/gimpconfig.h"
+
+#include "core-types.h"
+
+#include "gimp.h"
+#include "gimp-units.h"
+#include "gimpunit.h"
+
+#include "config/gimpconfig-file.h"
+
+#include "gimp-intl.h"
+
+
+/*
+ * All deserialize functions return G_TOKEN_LEFT_PAREN on success,
+ * or the GTokenType they would have expected but didn't get.
+ */
+
+static GTokenType gimp_unitrc_unit_info_deserialize (GScanner *scanner,
+ Gimp *gimp);
+
+
+static Gimp *the_unit_gimp = NULL;
+
+
+static gint
+gimp_units_get_number_of_units (void)
+{
+ return _gimp_unit_get_number_of_units (the_unit_gimp);
+}
+
+static gint
+gimp_units_get_number_of_built_in_units (void)
+{
+ return GIMP_UNIT_END;
+}
+
+static GimpUnit
+gimp_units_unit_new (gchar *identifier,
+ gdouble factor,
+ gint digits,
+ gchar *symbol,
+ gchar *abbreviation,
+ gchar *singular,
+ gchar *plural)
+{
+ return _gimp_unit_new (the_unit_gimp,
+ identifier,
+ factor,
+ digits,
+ symbol,
+ abbreviation,
+ singular,
+ plural);
+}
+
+static gboolean
+gimp_units_unit_get_deletion_flag (GimpUnit unit)
+{
+ return _gimp_unit_get_deletion_flag (the_unit_gimp, unit);
+}
+
+static void
+gimp_units_unit_set_deletion_flag (GimpUnit unit,
+ gboolean deletion_flag)
+{
+ _gimp_unit_set_deletion_flag (the_unit_gimp, unit, deletion_flag);
+}
+
+static gdouble
+gimp_units_unit_get_factor (GimpUnit unit)
+{
+ return _gimp_unit_get_factor (the_unit_gimp, unit);
+}
+
+static gint
+gimp_units_unit_get_digits (GimpUnit unit)
+{
+ return _gimp_unit_get_digits (the_unit_gimp, unit);
+}
+
+static const gchar *
+gimp_units_unit_get_identifier (GimpUnit unit)
+{
+ return _gimp_unit_get_identifier (the_unit_gimp, unit);
+}
+
+static const gchar *
+gimp_units_unit_get_symbol (GimpUnit unit)
+{
+ return _gimp_unit_get_symbol (the_unit_gimp, unit);
+}
+
+static const gchar *
+gimp_units_unit_get_abbreviation (GimpUnit unit)
+{
+ return _gimp_unit_get_abbreviation (the_unit_gimp, unit);
+}
+
+static const gchar *
+gimp_units_unit_get_singular (GimpUnit unit)
+{
+ return _gimp_unit_get_singular (the_unit_gimp, unit);
+}
+
+static const gchar *
+gimp_units_unit_get_plural (GimpUnit unit)
+{
+ return _gimp_unit_get_plural (the_unit_gimp, unit);
+}
+
+void
+gimp_units_init (Gimp *gimp)
+{
+ GimpUnitVtable vtable;
+
+ g_return_if_fail (GIMP_IS_GIMP (gimp));
+ g_return_if_fail (the_unit_gimp == NULL);
+
+ the_unit_gimp = gimp;
+
+ vtable.unit_get_number_of_units = gimp_units_get_number_of_units;
+ vtable.unit_get_number_of_built_in_units = gimp_units_get_number_of_built_in_units;
+ vtable.unit_new = gimp_units_unit_new;
+ vtable.unit_get_deletion_flag = gimp_units_unit_get_deletion_flag;
+ vtable.unit_set_deletion_flag = gimp_units_unit_set_deletion_flag;
+ vtable.unit_get_factor = gimp_units_unit_get_factor;
+ vtable.unit_get_digits = gimp_units_unit_get_digits;
+ vtable.unit_get_identifier = gimp_units_unit_get_identifier;
+ vtable.unit_get_symbol = gimp_units_unit_get_symbol;
+ vtable.unit_get_abbreviation = gimp_units_unit_get_abbreviation;
+ vtable.unit_get_singular = gimp_units_unit_get_singular;
+ vtable.unit_get_plural = gimp_units_unit_get_plural;
+
+ gimp_base_init (&vtable);
+
+ gimp->user_units = NULL;
+ gimp->n_user_units = 0;
+}
+
+void
+gimp_units_exit (Gimp *gimp)
+{
+ g_return_if_fail (GIMP_IS_GIMP (gimp));
+
+ gimp_user_units_free (gimp);
+}
+
+
+/* unitrc functions **********/
+
+enum
+{
+ UNIT_INFO = 1,
+ UNIT_FACTOR,
+ UNIT_DIGITS,
+ UNIT_SYMBOL,
+ UNIT_ABBREV,
+ UNIT_SINGULAR,
+ UNIT_PLURAL
+};
+
+void
+gimp_unitrc_load (Gimp *gimp)
+{
+ GFile *file;
+ GScanner *scanner;
+ GTokenType token;
+ GError *error = NULL;
+
+ g_return_if_fail (GIMP_IS_GIMP (gimp));
+
+ file = gimp_directory_file ("unitrc", NULL);
+
+ if (gimp->be_verbose)
+ g_print ("Parsing '%s'\n", gimp_file_get_utf8_name (file));
+
+ scanner = gimp_scanner_new_gfile (file, &error);
+
+ if (! scanner && error->code == GIMP_CONFIG_ERROR_OPEN_ENOENT)
+ {
+ g_clear_error (&error);
+ g_object_unref (file);
+
+ file = gimp_sysconf_directory_file ("unitrc", NULL);
+
+ scanner = gimp_scanner_new_gfile (file, NULL);
+ }
+
+ if (! scanner)
+ {
+ g_clear_error (&error);
+ g_object_unref (file);
+ return;
+ }
+
+ g_scanner_scope_add_symbol (scanner, 0,
+ "unit-info", GINT_TO_POINTER (UNIT_INFO));
+ g_scanner_scope_add_symbol (scanner, UNIT_INFO,
+ "factor", GINT_TO_POINTER (UNIT_FACTOR));
+ g_scanner_scope_add_symbol (scanner, UNIT_INFO,
+ "digits", GINT_TO_POINTER (UNIT_DIGITS));
+ g_scanner_scope_add_symbol (scanner, UNIT_INFO,
+ "symbol", GINT_TO_POINTER (UNIT_SYMBOL));
+ g_scanner_scope_add_symbol (scanner, UNIT_INFO,
+ "abbreviation", GINT_TO_POINTER (UNIT_ABBREV));
+ g_scanner_scope_add_symbol (scanner, UNIT_INFO,
+ "singular", GINT_TO_POINTER (UNIT_SINGULAR));
+ g_scanner_scope_add_symbol (scanner, UNIT_INFO,
+ "plural", GINT_TO_POINTER (UNIT_PLURAL));
+
+ token = G_TOKEN_LEFT_PAREN;
+
+ while (g_scanner_peek_next_token (scanner) == token)
+ {
+ token = g_scanner_get_next_token (scanner);
+
+ switch (token)
+ {
+ case G_TOKEN_LEFT_PAREN:
+ token = G_TOKEN_SYMBOL;
+ break;
+
+ case G_TOKEN_SYMBOL:
+ if (scanner->value.v_symbol == GINT_TO_POINTER (UNIT_INFO))
+ {
+ g_scanner_set_scope (scanner, UNIT_INFO);
+ token = gimp_unitrc_unit_info_deserialize (scanner, gimp);
+
+ if (token == G_TOKEN_RIGHT_PAREN)
+ g_scanner_set_scope (scanner, 0);
+ }
+ break;
+
+ case G_TOKEN_RIGHT_PAREN:
+ token = G_TOKEN_LEFT_PAREN;
+ break;
+
+ default: /* do nothing */
+ break;
+ }
+ }
+
+ if (token != G_TOKEN_LEFT_PAREN)
+ {
+ g_scanner_get_next_token (scanner);
+ g_scanner_unexp_token (scanner, token, NULL, NULL, NULL,
+ _("fatal parse error"), TRUE);
+
+ gimp_message_literal (gimp, NULL, GIMP_MESSAGE_ERROR, error->message);
+ g_clear_error (&error);
+
+ gimp_config_file_backup_on_error (file, "unitrc", NULL);
+ }
+
+ gimp_scanner_destroy (scanner);
+ g_object_unref (file);
+}
+
+void
+gimp_unitrc_save (Gimp *gimp)
+{
+ GimpConfigWriter *writer;
+ GFile *file;
+ gint i;
+ GError *error = NULL;
+
+ g_return_if_fail (GIMP_IS_GIMP (gimp));
+
+ file = gimp_directory_file ("unitrc", NULL);
+
+ if (gimp->be_verbose)
+ g_print ("Writing '%s'\n", gimp_file_get_utf8_name (file));
+
+ writer =
+ gimp_config_writer_new_gfile (file,
+ TRUE,
+ "GIMP units\n\n"
+ "This file contains the user unit database. "
+ "You can edit this list with the unit "
+ "editor. You are not supposed to edit it "
+ "manually, but of course you can do.\n"
+ "This file will be entirely rewritten each "
+ "time you exit.",
+ NULL);
+
+ g_object_unref (file);
+
+ if (!writer)
+ return;
+
+ /* save user defined units */
+ for (i = _gimp_unit_get_number_of_built_in_units (gimp);
+ i < _gimp_unit_get_number_of_units (gimp);
+ i++)
+ {
+ if (_gimp_unit_get_deletion_flag (gimp, i) == FALSE)
+ {
+ gchar buf[G_ASCII_DTOSTR_BUF_SIZE];
+
+ gimp_config_writer_open (writer, "unit-info");
+ gimp_config_writer_string (writer,
+ _gimp_unit_get_identifier (gimp, i));
+
+ gimp_config_writer_open (writer, "factor");
+ gimp_config_writer_print (writer,
+ g_ascii_dtostr (buf, sizeof (buf),
+ _gimp_unit_get_factor (gimp, i)),
+ -1);
+ gimp_config_writer_close (writer);
+
+ gimp_config_writer_open (writer, "digits");
+ gimp_config_writer_printf (writer,
+ "%d", _gimp_unit_get_digits (gimp, i));
+ gimp_config_writer_close (writer);
+
+ gimp_config_writer_open (writer, "symbol");
+ gimp_config_writer_string (writer,
+ _gimp_unit_get_symbol (gimp, i));
+ gimp_config_writer_close (writer);
+
+ gimp_config_writer_open (writer, "abbreviation");
+ gimp_config_writer_string (writer,
+ _gimp_unit_get_abbreviation (gimp, i));
+ gimp_config_writer_close (writer);
+
+ gimp_config_writer_open (writer, "singular");
+ gimp_config_writer_string (writer,
+ _gimp_unit_get_singular (gimp, i));
+ gimp_config_writer_close (writer);
+
+ gimp_config_writer_open (writer, "plural");
+ gimp_config_writer_string (writer,
+ _gimp_unit_get_plural (gimp, i));
+ gimp_config_writer_close (writer);
+
+ gimp_config_writer_close (writer);
+ }
+ }
+
+ if (! gimp_config_writer_finish (writer, "end of units", &error))
+ {
+ gimp_message_literal (gimp, NULL, GIMP_MESSAGE_ERROR, error->message);
+ g_clear_error (&error);
+ }
+}
+
+
+/* private functions */
+
+static GTokenType
+gimp_unitrc_unit_info_deserialize (GScanner *scanner,
+ Gimp *gimp)
+{
+ gchar *identifier = NULL;
+ gdouble factor = 1.0;
+ gint digits = 2.0;
+ gchar *symbol = NULL;
+ gchar *abbreviation = NULL;
+ gchar *singular = NULL;
+ gchar *plural = NULL;
+ GTokenType token;
+
+ if (! gimp_scanner_parse_string (scanner, &identifier))
+ return G_TOKEN_STRING;
+
+ token = G_TOKEN_LEFT_PAREN;
+
+ while (g_scanner_peek_next_token (scanner) == token)
+ {
+ token = g_scanner_get_next_token (scanner);
+
+ switch (token)
+ {
+ case G_TOKEN_LEFT_PAREN:
+ token = G_TOKEN_SYMBOL;
+ break;
+
+ case G_TOKEN_SYMBOL:
+ switch (GPOINTER_TO_INT (scanner->value.v_symbol))
+ {
+ case UNIT_FACTOR:
+ token = G_TOKEN_FLOAT;
+ if (! gimp_scanner_parse_float (scanner, &factor))
+ goto cleanup;
+ break;
+
+ case UNIT_DIGITS:
+ token = G_TOKEN_INT;
+ if (! gimp_scanner_parse_int (scanner, &digits))
+ goto cleanup;
+ break;
+
+ case UNIT_SYMBOL:
+ token = G_TOKEN_STRING;
+ if (! gimp_scanner_parse_string (scanner, &symbol))
+ goto cleanup;
+ break;
+
+ case UNIT_ABBREV:
+ token = G_TOKEN_STRING;
+ if (! gimp_scanner_parse_string (scanner, &abbreviation))
+ goto cleanup;
+ break;
+
+ case UNIT_SINGULAR:
+ token = G_TOKEN_STRING;
+ if (! gimp_scanner_parse_string (scanner, &singular))
+ goto cleanup;
+ break;
+
+ case UNIT_PLURAL:
+ token = G_TOKEN_STRING;
+ if (! gimp_scanner_parse_string (scanner, &plural))
+ goto cleanup;
+ break;
+
+ default:
+ break;
+ }
+ token = G_TOKEN_RIGHT_PAREN;
+ break;
+
+ case G_TOKEN_RIGHT_PAREN:
+ token = G_TOKEN_LEFT_PAREN;
+ break;
+
+ default:
+ break;
+ }
+ }
+
+ if (token == G_TOKEN_LEFT_PAREN)
+ {
+ token = G_TOKEN_RIGHT_PAREN;
+
+ if (g_scanner_peek_next_token (scanner) == token)
+ {
+ GimpUnit unit = _gimp_unit_new (gimp,
+ identifier, factor, digits,
+ symbol, abbreviation,
+ singular, plural);
+
+ /* make the unit definition persistent */
+ _gimp_unit_set_deletion_flag (gimp, unit, FALSE);
+ }
+ }
+
+ cleanup:
+
+ g_free (identifier);
+ g_free (symbol);
+ g_free (abbreviation);
+ g_free (singular);
+ g_free (plural);
+
+ return token;
+}