564 lines
15 KiB
C
564 lines
15 KiB
C
/* PIKA - Photo and Image Kooker Application
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* a rebranding of The GNU Image Manipulation Program (created with heckimp)
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* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
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*
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* Original copyright, applying to most contents (license remains unchanged):
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* Copyright (C) 1995-2003 Spencer Kimball and Peter Mattis
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <stdlib.h>
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#include <string.h>
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#include <gdk-pixbuf/gdk-pixbuf.h>
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#include <gegl.h>
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#include "libpikabase/pikabase.h"
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#include "pdb-types.h"
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#include "core/pikaparamspecs-desc.h"
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#include "pikapdb.h"
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#include "pikapdb-query.h"
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#include "pikapdberror.h"
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#include "pikaprocedure.h"
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#include "pika-intl.h"
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#define PDB_REGEX_FLAGS (G_REGEX_CASELESS | G_REGEX_OPTIMIZE)
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#define COMPAT_BLURB "This procedure is deprecated! Use '%s' instead."
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typedef struct _PDBDump PDBDump;
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struct _PDBDump
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{
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PikaPDB *pdb;
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GOutputStream *output;
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GError *error;
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gboolean dumping_compat;
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};
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typedef struct _PDBQuery PDBQuery;
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struct _PDBQuery
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{
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PikaPDB *pdb;
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GRegex *name_regex;
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GRegex *blurb_regex;
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GRegex *help_regex;
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GRegex *authors_regex;
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GRegex *copyright_regex;
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GRegex *date_regex;
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GRegex *proc_type_regex;
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gchar **list_of_procs;
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gboolean querying_compat;
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};
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typedef struct _PDBStrings PDBStrings;
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struct _PDBStrings
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{
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gboolean compat;
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gchar *blurb;
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gchar *help;
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gchar *authors;
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gchar *copyright;
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gchar *date;
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};
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/* local function prototypes */
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static void pika_pdb_query_entry (gpointer key,
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gpointer value,
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gpointer user_data);
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static void pika_pdb_print_entry (gpointer key,
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gpointer value,
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gpointer user_data);
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static void pika_pdb_get_strings (PDBStrings *strings,
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PikaProcedure *procedure,
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gboolean compat);
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static void pika_pdb_free_strings (PDBStrings *strings);
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/* public functions */
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gboolean
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pika_pdb_dump (PikaPDB *pdb,
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GFile *file,
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GError **error)
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{
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PDBDump pdb_dump = { 0, };
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g_return_val_if_fail (PIKA_IS_PDB (pdb), FALSE);
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g_return_val_if_fail (G_IS_FILE (file), FALSE);
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g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
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pdb_dump.pdb = pdb;
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pdb_dump.output = G_OUTPUT_STREAM (g_file_replace (file,
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NULL, FALSE,
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G_FILE_CREATE_NONE,
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NULL, error));
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if (! pdb_dump.output)
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return FALSE;
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pdb_dump.dumping_compat = FALSE;
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g_hash_table_foreach (pdb->procedures,
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pika_pdb_print_entry,
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&pdb_dump);
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pdb_dump.dumping_compat = TRUE;
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g_hash_table_foreach (pdb->compat_proc_names,
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pika_pdb_print_entry,
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&pdb_dump);
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if (pdb_dump.error)
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{
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GCancellable *cancellable = g_cancellable_new ();
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g_set_error (error, pdb_dump.error->domain, pdb_dump.error->code,
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_("Writing PDB file '%s' failed: %s"),
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pika_file_get_utf8_name (file), pdb_dump.error->message);
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g_clear_error (&pdb_dump.error);
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/* Cancel the overwrite initiated by g_file_replace(). */
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g_cancellable_cancel (cancellable);
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g_output_stream_close (pdb_dump.output, cancellable, NULL);
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g_object_unref (cancellable);
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g_object_unref (pdb_dump.output);
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return FALSE;
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}
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g_object_unref (pdb_dump.output);
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return TRUE;
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}
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gboolean
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pika_pdb_query (PikaPDB *pdb,
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const gchar *name,
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const gchar *blurb,
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const gchar *help,
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const gchar *authors,
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const gchar *copyright,
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const gchar *date,
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const gchar *proc_type,
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gchar ***procs,
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GError **error)
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{
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PDBQuery pdb_query = { 0, };
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gboolean success = FALSE;
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g_return_val_if_fail (PIKA_IS_PDB (pdb), FALSE);
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g_return_val_if_fail (name != NULL, FALSE);
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g_return_val_if_fail (blurb != NULL, FALSE);
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g_return_val_if_fail (help != NULL, FALSE);
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g_return_val_if_fail (authors != NULL, FALSE);
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g_return_val_if_fail (copyright != NULL, FALSE);
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g_return_val_if_fail (date != NULL, FALSE);
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g_return_val_if_fail (proc_type != NULL, FALSE);
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g_return_val_if_fail (procs != NULL, FALSE);
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g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
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*procs = NULL;
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pdb_query.name_regex = g_regex_new (name, PDB_REGEX_FLAGS, 0, error);
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if (! pdb_query.name_regex)
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goto cleanup;
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pdb_query.blurb_regex = g_regex_new (blurb, PDB_REGEX_FLAGS, 0, error);
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if (! pdb_query.blurb_regex)
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goto cleanup;
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pdb_query.help_regex = g_regex_new (help, PDB_REGEX_FLAGS, 0, error);
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if (! pdb_query.help_regex)
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goto cleanup;
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pdb_query.authors_regex = g_regex_new (authors, PDB_REGEX_FLAGS, 0, error);
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if (! pdb_query.authors_regex)
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goto cleanup;
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pdb_query.copyright_regex = g_regex_new (copyright, PDB_REGEX_FLAGS, 0, error);
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if (! pdb_query.copyright_regex)
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goto cleanup;
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pdb_query.date_regex = g_regex_new (date, PDB_REGEX_FLAGS, 0, error);
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if (! pdb_query.date_regex)
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goto cleanup;
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pdb_query.proc_type_regex = g_regex_new (proc_type, PDB_REGEX_FLAGS, 0, error);
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if (! pdb_query.proc_type_regex)
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goto cleanup;
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success = TRUE;
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pdb_query.pdb = pdb;
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pdb_query.list_of_procs = g_new0 (gchar *, 1);
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pdb_query.querying_compat = FALSE;
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g_hash_table_foreach (pdb->procedures,
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pika_pdb_query_entry, &pdb_query);
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pdb_query.querying_compat = TRUE;
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g_hash_table_foreach (pdb->compat_proc_names,
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pika_pdb_query_entry, &pdb_query);
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cleanup:
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if (pdb_query.proc_type_regex)
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g_regex_unref (pdb_query.proc_type_regex);
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if (pdb_query.date_regex)
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g_regex_unref (pdb_query.date_regex);
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if (pdb_query.copyright_regex)
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g_regex_unref (pdb_query.copyright_regex);
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if (pdb_query.authors_regex)
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g_regex_unref (pdb_query.authors_regex);
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if (pdb_query.help_regex)
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g_regex_unref (pdb_query.help_regex);
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if (pdb_query.blurb_regex)
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g_regex_unref (pdb_query.blurb_regex);
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if (pdb_query.name_regex)
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g_regex_unref (pdb_query.name_regex);
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if (success)
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{
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*procs = pdb_query.list_of_procs;
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}
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return success;
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}
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/* private functions */
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static gboolean
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match_string (GRegex *regex,
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const gchar *string)
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{
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if (! string)
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string = "";
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return g_regex_match (regex, string, 0, NULL);
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}
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static void
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pika_pdb_query_entry (gpointer key,
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gpointer value,
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gpointer user_data)
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{
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PDBQuery *pdb_query = user_data;
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GList *list;
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PikaProcedure *procedure;
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const gchar *proc_name;
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PDBStrings strings;
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GEnumClass *enum_class;
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const PikaEnumDesc *type_desc;
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proc_name = key;
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if (pdb_query->querying_compat)
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list = g_hash_table_lookup (pdb_query->pdb->procedures, value);
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else
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list = value;
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if (! list)
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return;
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procedure = list->data;
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pika_pdb_get_strings (&strings, procedure, pdb_query->querying_compat);
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enum_class = g_type_class_ref (PIKA_TYPE_PDB_PROC_TYPE);
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type_desc = pika_enum_get_desc (enum_class, procedure->proc_type);
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g_type_class_unref (enum_class);
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if (match_string (pdb_query->name_regex, proc_name) &&
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match_string (pdb_query->blurb_regex, strings.blurb) &&
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match_string (pdb_query->help_regex, strings.help) &&
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match_string (pdb_query->authors_regex, strings.authors) &&
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match_string (pdb_query->copyright_regex, strings.copyright) &&
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match_string (pdb_query->date_regex, strings.date) &&
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match_string (pdb_query->proc_type_regex, type_desc->value_desc))
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{
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guint num_procs = g_strv_length (pdb_query->list_of_procs);
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pdb_query->list_of_procs = g_renew (gchar *, pdb_query->list_of_procs,
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num_procs + 2);
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pdb_query->list_of_procs[num_procs] = g_strdup (proc_name);
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pdb_query->list_of_procs[num_procs + 1] = NULL;
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}
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pika_pdb_free_strings (&strings);
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}
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/* #define DEBUG_OUTPUT 1 */
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static void
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output_string (GString *dest,
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const gchar *string)
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{
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#ifndef DEBUG_OUTPUT
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g_string_append_printf (dest, "\"");
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#endif
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if (string)
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while (*string)
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{
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switch (*string)
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{
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case '\\' : g_string_append_printf (dest, "\\\\"); break;
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case '\"' : g_string_append_printf (dest, "\\\""); break;
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case '{' : g_string_append_printf (dest, "@{"); break;
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case '@' : g_string_append_printf (dest, "@@"); break;
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case '}' : g_string_append_printf (dest, "@}"); break;
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default:
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g_string_append_printf (dest, "%c", *string);
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}
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string++;
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}
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#ifndef DEBUG_OUTPUT
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g_string_append_printf (dest, "\"\n");
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#endif
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}
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static void
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pika_pdb_print_entry (gpointer key,
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gpointer value,
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gpointer user_data)
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{
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PDBDump *pdb_dump = user_data;
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GOutputStream *output = pdb_dump->output;
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const gchar *proc_name;
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GList *list;
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GEnumClass *proc_class;
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GString *buf;
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GString *string;
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gint num = 0;
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if (pdb_dump->error)
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return;
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proc_name = key;
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if (pdb_dump->dumping_compat)
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list = g_hash_table_lookup (pdb_dump->pdb->procedures, value);
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else
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list = value;
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proc_class = g_type_class_ref (PIKA_TYPE_PDB_PROC_TYPE);
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buf = g_string_new (NULL);
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string = g_string_new (NULL);
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for (; list; list = list->next)
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{
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PikaProcedure *procedure = list->data;
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PDBStrings strings;
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const PikaEnumDesc *type_desc;
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gint i;
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num++;
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pika_pdb_get_strings (&strings, procedure, pdb_dump->dumping_compat);
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#ifdef DEBUG_OUTPUT
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g_string_append_printf (string, "(");
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#else
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g_string_append_printf (string, "(register-procedure ");
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#endif
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if (num != 1)
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{
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g_string_printf (buf, "%s <%d>", proc_name, num);
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output_string (string, buf->str);
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}
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else
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{
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output_string (string, proc_name);
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}
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type_desc = pika_enum_get_desc (proc_class, procedure->proc_type);
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#ifdef DEBUG_OUTPUT
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g_string_append_printf (string, " (");
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for (i = 0; i < procedure->num_args; i++)
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{
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GParamSpec *pspec = procedure->args[i];
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if (i > 0)
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g_string_append_printf (string, " ");
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output_string (string, g_type_name (G_PARAM_SPEC_VALUE_TYPE (pspec)));
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}
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g_string_append_printf (string, ") (");
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for (i = 0; i < procedure->num_values; i++)
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{
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GParamSpec *pspec = procedure->values[i];
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if (i > 0)
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g_string_append_printf (string, " ");
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output_string (string, g_type_name (G_PARAM_SPEC_VALUE_TYPE (pspec)));
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}
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g_string_append_printf (string, "))\n");
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#else /* ! DEBUG_OUTPUT */
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g_string_append_printf (string, " ");
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output_string (string, strings.blurb);
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g_string_append_printf (string, " ");
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output_string (string, strings.help);
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g_string_append_printf (string, " ");
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output_string (string, strings.authors);
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g_string_append_printf (string, " ");
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output_string (string, strings.copyright);
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g_string_append_printf (string, " ");
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output_string (string, strings.date);
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g_string_append_printf (string, " ");
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output_string (string, type_desc->value_desc);
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g_string_append_printf (string, " (");
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for (i = 0; i < procedure->num_args; i++)
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{
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GParamSpec *pspec = procedure->args[i];
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gchar *desc = pika_param_spec_get_desc (pspec);
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g_string_append_printf (string, "\n (\n");
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g_string_append_printf (string, " ");
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output_string (string, g_param_spec_get_name (pspec));
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g_string_append_printf (string, " ");
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output_string (string, g_type_name (G_PARAM_SPEC_VALUE_TYPE (pspec)));
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g_string_append_printf (string, " ");
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output_string (string, desc);
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g_free (desc);
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g_string_append_printf (string, " )");
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}
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g_string_append_printf (string, "\n )\n");
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g_string_append_printf (string, " (");
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for (i = 0; i < procedure->num_values; i++)
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{
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GParamSpec *pspec = procedure->values[i];
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gchar *desc = pika_param_spec_get_desc (pspec);
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g_string_append_printf (string, "\n (\n");
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g_string_append_printf (string, " ");
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output_string (string, g_param_spec_get_name (pspec));
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g_string_append_printf (string, " ");
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output_string (string, g_type_name (G_PARAM_SPEC_VALUE_TYPE (pspec)));
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g_string_append_printf (string, " ");
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output_string (string, desc);
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g_free (desc);
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g_string_append_printf (string, " )");
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}
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g_string_append_printf (string, "\n )");
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g_string_append_printf (string, "\n)\n");
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#endif /* DEBUG_OUTPUT */
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pika_pdb_free_strings (&strings);
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}
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g_output_stream_write_all (output, string->str, string->len,
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NULL, NULL, &pdb_dump->error);
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g_string_free (string, TRUE);
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g_string_free (buf, TRUE);
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g_type_class_unref (proc_class);
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}
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static void
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pika_pdb_get_strings (PDBStrings *strings,
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PikaProcedure *procedure,
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gboolean compat)
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{
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strings->compat = compat;
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if (compat)
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{
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strings->blurb = g_strdup_printf (COMPAT_BLURB,
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pika_object_get_name (procedure));
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strings->help = g_strdup (strings->blurb);
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|
strings->authors = NULL;
|
|
strings->copyright = NULL;
|
|
strings->date = NULL;
|
|
}
|
|
else
|
|
{
|
|
strings->blurb = procedure->blurb;
|
|
strings->help = procedure->help;
|
|
strings->authors = procedure->authors;
|
|
strings->copyright = procedure->copyright;
|
|
strings->date = procedure->date;
|
|
}
|
|
}
|
|
|
|
static void
|
|
pika_pdb_free_strings (PDBStrings *strings)
|
|
{
|
|
if (strings->compat)
|
|
{
|
|
g_free (strings->blurb);
|
|
g_free (strings->help);
|
|
}
|
|
}
|
