Adding upstream version 2.10.22.upstream/2.10.22upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 649 insertions, 0 deletions

diff --git a/app/pdb/gimppdb-query.c b/app/pdb/gimppdb-query.c
new file mode 100644
index 0000000..00689fa
--- /dev/null
+++ b/app/pdb/gimppdb-query.c
@@ -0,0 +1,649 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995-2003 Spencer Kimball and Peter Mattis
+ *
+ * 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/>.
+ */
+
+#include "config.h"
+
+#include <stdlib.h>
+#include <string.h>
+
+#include <gdk-pixbuf/gdk-pixbuf.h>
+#include <gegl.h>
+
+#include "libgimpbase/gimpbase.h"
+
+#include "pdb-types.h"
+
+#include "core/gimpparamspecs-desc.h"
+
+#include "gimppdb.h"
+#include "gimppdb-query.h"
+#include "gimppdberror.h"
+#include "gimp-pdb-compat.h"
+#include "gimpprocedure.h"
+
+#include "gimp-intl.h"
+
+
+#define PDB_REGEX_FLAGS    (G_REGEX_CASELESS | G_REGEX_OPTIMIZE)
+
+#define COMPAT_BLURB       "This procedure is deprecated! Use '%s' instead."
+
+
+typedef struct _PDBDump PDBDump;
+
+struct _PDBDump
+{
+  GimpPDB       *pdb;
+  GOutputStream *output;
+  GError        *error;
+
+  gboolean       dumping_compat;
+};
+
+typedef struct _PDBQuery PDBQuery;
+
+struct _PDBQuery
+{
+  GimpPDB  *pdb;
+
+  GRegex   *name_regex;
+  GRegex   *blurb_regex;
+  GRegex   *help_regex;
+  GRegex   *author_regex;
+  GRegex   *copyright_regex;
+  GRegex   *date_regex;
+  GRegex   *proc_type_regex;
+
+  gchar   **list_of_procs;
+  gint      num_procs;
+  gboolean  querying_compat;
+};
+
+typedef struct _PDBStrings PDBStrings;
+
+struct _PDBStrings
+{
+  gboolean  compat;
+
+  gchar    *blurb;
+  gchar    *help;
+  gchar    *author;
+  gchar    *copyright;
+  gchar    *date;
+};
+
+
+/*  local function prototypes  */
+
+static void   gimp_pdb_query_entry  (gpointer       key,
+                                     gpointer       value,
+                                     gpointer       user_data);
+static void   gimp_pdb_print_entry  (gpointer       key,
+                                     gpointer       value,
+                                     gpointer       user_data);
+static void   gimp_pdb_get_strings  (PDBStrings    *strings,
+                                     GimpProcedure *procedure,
+                                     gboolean       compat);
+static void   gimp_pdb_free_strings (PDBStrings    *strings);
+
+
+/*  public functions  */
+
+gboolean
+gimp_pdb_dump (GimpPDB  *pdb,
+               GFile    *file,
+               GError  **error)
+{
+  PDBDump pdb_dump = { 0, };
+
+  g_return_val_if_fail (GIMP_IS_PDB (pdb), FALSE);
+  g_return_val_if_fail (G_IS_FILE (file), FALSE);
+  g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
+
+  pdb_dump.pdb    = pdb;
+  pdb_dump.output = G_OUTPUT_STREAM (g_file_replace (file,
+                                                     NULL, FALSE,
+                                                     G_FILE_CREATE_NONE,
+                                                     NULL, error));
+  if (! pdb_dump.output)
+    return FALSE;
+
+  pdb_dump.dumping_compat = FALSE;
+
+  g_hash_table_foreach (pdb->procedures,
+                        gimp_pdb_print_entry,
+                        &pdb_dump);
+
+  pdb_dump.dumping_compat = TRUE;
+
+  g_hash_table_foreach (pdb->compat_proc_names,
+                        gimp_pdb_print_entry,
+                        &pdb_dump);
+
+  if (pdb_dump.error)
+    {
+      GCancellable *cancellable = g_cancellable_new ();
+
+      g_set_error (error, pdb_dump.error->domain, pdb_dump.error->code,
+                   _("Writing PDB file '%s' failed: %s"),
+                   gimp_file_get_utf8_name (file), pdb_dump.error->message);
+      g_clear_error (&pdb_dump.error);
+
+      /* Cancel the overwrite initiated by g_file_replace(). */
+      g_cancellable_cancel (cancellable);
+      g_output_stream_close (pdb_dump.output, cancellable, NULL);
+      g_object_unref (cancellable);
+      g_object_unref (pdb_dump.output);
+
+      return FALSE;
+    }
+
+  g_object_unref (pdb_dump.output);
+
+  return TRUE;
+}
+
+gboolean
+gimp_pdb_query (GimpPDB       *pdb,
+                const gchar   *name,
+                const gchar   *blurb,
+                const gchar   *help,
+                const gchar   *author,
+                const gchar   *copyright,
+                const gchar   *date,
+                const gchar   *proc_type,
+                gint          *num_procs,
+                gchar       ***procs,
+                GError       **error)
+{
+  PDBQuery pdb_query = { 0, };
+  gboolean success   = FALSE;
+
+  g_return_val_if_fail (GIMP_IS_PDB (pdb), FALSE);
+  g_return_val_if_fail (name != NULL, FALSE);
+  g_return_val_if_fail (blurb != NULL, FALSE);
+  g_return_val_if_fail (help != NULL, FALSE);
+  g_return_val_if_fail (author != NULL, FALSE);
+  g_return_val_if_fail (copyright != NULL, FALSE);
+  g_return_val_if_fail (date != NULL, FALSE);
+  g_return_val_if_fail (proc_type != NULL, FALSE);
+  g_return_val_if_fail (num_procs != NULL, FALSE);
+  g_return_val_if_fail (procs != NULL, FALSE);
+  g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
+
+  *num_procs = 0;
+  *procs     = NULL;
+
+  pdb_query.name_regex = g_regex_new (name, PDB_REGEX_FLAGS, 0, error);
+  if (! pdb_query.name_regex)
+    goto cleanup;
+
+  pdb_query.blurb_regex = g_regex_new (blurb, PDB_REGEX_FLAGS, 0, error);
+  if (! pdb_query.blurb_regex)
+    goto cleanup;
+
+  pdb_query.help_regex = g_regex_new (help, PDB_REGEX_FLAGS, 0, error);
+  if (! pdb_query.help_regex)
+    goto cleanup;
+
+  pdb_query.author_regex = g_regex_new (author, PDB_REGEX_FLAGS, 0, error);
+  if (! pdb_query.author_regex)
+    goto cleanup;
+
+  pdb_query.copyright_regex = g_regex_new (copyright, PDB_REGEX_FLAGS, 0, error);
+  if (! pdb_query.copyright_regex)
+    goto cleanup;
+
+  pdb_query.date_regex = g_regex_new (date, PDB_REGEX_FLAGS, 0, error);
+  if (! pdb_query.date_regex)
+    goto cleanup;
+
+  pdb_query.proc_type_regex = g_regex_new (proc_type, PDB_REGEX_FLAGS, 0, error);
+  if (! pdb_query.proc_type_regex)
+    goto cleanup;
+
+  success = TRUE;
+
+  pdb_query.pdb             = pdb;
+  pdb_query.list_of_procs   = NULL;
+  pdb_query.num_procs       = 0;
+  pdb_query.querying_compat = FALSE;
+
+  g_hash_table_foreach (pdb->procedures,
+                        gimp_pdb_query_entry, &pdb_query);
+
+  pdb_query.querying_compat = TRUE;
+
+  g_hash_table_foreach (pdb->compat_proc_names,
+                        gimp_pdb_query_entry, &pdb_query);
+
+ cleanup:
+
+  if (pdb_query.proc_type_regex)
+    g_regex_unref (pdb_query.proc_type_regex);
+
+  if (pdb_query.date_regex)
+    g_regex_unref (pdb_query.date_regex);
+
+  if (pdb_query.copyright_regex)
+    g_regex_unref (pdb_query.copyright_regex);
+
+  if (pdb_query.author_regex)
+    g_regex_unref (pdb_query.author_regex);
+
+  if (pdb_query.help_regex)
+    g_regex_unref (pdb_query.help_regex);
+
+  if (pdb_query.blurb_regex)
+    g_regex_unref (pdb_query.blurb_regex);
+
+  if (pdb_query.name_regex)
+    g_regex_unref (pdb_query.name_regex);
+
+  if (success)
+    {
+      *num_procs = pdb_query.num_procs;
+      *procs     = pdb_query.list_of_procs;
+    }
+
+  return success;
+}
+
+gboolean
+gimp_pdb_proc_info (GimpPDB          *pdb,
+                    const gchar      *proc_name,
+                    gchar           **blurb,
+                    gchar           **help,
+                    gchar           **author,
+                    gchar           **copyright,
+                    gchar           **date,
+                    GimpPDBProcType  *proc_type,
+                    gint             *num_args,
+                    gint             *num_values,
+                    GError          **error)
+{
+  GimpProcedure *procedure;
+  PDBStrings     strings;
+
+  g_return_val_if_fail (GIMP_IS_PDB (pdb), FALSE);
+  g_return_val_if_fail (proc_name != NULL, FALSE);
+  g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
+
+  procedure = gimp_pdb_lookup_procedure (pdb, proc_name);
+
+  if (procedure)
+    {
+      gimp_pdb_get_strings (&strings, procedure, FALSE);
+    }
+  else
+    {
+      const gchar *compat_name;
+
+      compat_name = gimp_pdb_lookup_compat_proc_name (pdb, proc_name);
+
+      if (compat_name)
+        {
+          procedure = gimp_pdb_lookup_procedure (pdb, compat_name);
+
+          if (procedure)
+            gimp_pdb_get_strings (&strings, procedure, TRUE);
+        }
+    }
+
+  if (procedure)
+    {
+      *blurb      = strings.compat ? strings.blurb : g_strdup (strings.blurb);
+      *help       = strings.compat ? strings.help : g_strdup (strings.help);
+      *author     = strings.compat ? strings.author : g_strdup (strings.author);
+      *copyright  = strings.compat ? strings.copyright : g_strdup (strings.copyright);
+      *date       = strings.compat ? strings.date : g_strdup (strings.date);
+      *proc_type  = procedure->proc_type;
+      *num_args   = procedure->num_args;
+      *num_values = procedure->num_values;
+
+      return TRUE;
+    }
+
+  g_set_error (error, GIMP_PDB_ERROR, GIMP_PDB_ERROR_PROCEDURE_NOT_FOUND,
+               _("Procedure '%s' not found"), proc_name);
+
+  return FALSE;
+}
+
+
+/*  private functions  */
+
+static gboolean
+match_string (GRegex      *regex,
+              const gchar *string)
+{
+  if (! string)
+    string = "";
+
+  return g_regex_match (regex, string, 0, NULL);
+}
+
+static void
+gimp_pdb_query_entry (gpointer key,
+                      gpointer value,
+                      gpointer user_data)
+{
+  PDBQuery      *pdb_query = user_data;
+  GList         *list;
+  GimpProcedure *procedure;
+  const gchar   *proc_name;
+  PDBStrings     strings;
+  GEnumClass    *enum_class;
+  GimpEnumDesc  *type_desc;
+
+  proc_name = key;
+
+  if (pdb_query->querying_compat)
+    list = g_hash_table_lookup (pdb_query->pdb->procedures, value);
+  else
+    list = value;
+
+  if (! list)
+    return;
+
+  procedure = list->data;
+
+  gimp_pdb_get_strings (&strings, procedure, pdb_query->querying_compat);
+
+  enum_class = g_type_class_ref (GIMP_TYPE_PDB_PROC_TYPE);
+  type_desc = gimp_enum_get_desc (enum_class, procedure->proc_type);
+  g_type_class_unref  (enum_class);
+
+  if (match_string (pdb_query->name_regex,      proc_name)         &&
+      match_string (pdb_query->blurb_regex,     strings.blurb)     &&
+      match_string (pdb_query->help_regex,      strings.help)      &&
+      match_string (pdb_query->author_regex,    strings.author)    &&
+      match_string (pdb_query->copyright_regex, strings.copyright) &&
+      match_string (pdb_query->date_regex,      strings.date)      &&
+      match_string (pdb_query->proc_type_regex, type_desc->value_desc))
+    {
+      pdb_query->num_procs++;
+      pdb_query->list_of_procs = g_renew (gchar *, pdb_query->list_of_procs,
+                                          pdb_query->num_procs);
+      pdb_query->list_of_procs[pdb_query->num_procs - 1] = g_strdup (proc_name);
+    }
+
+  gimp_pdb_free_strings (&strings);
+}
+
+/* #define DEBUG_OUTPUT 1 */
+
+static void
+output_string (GString     *dest,
+               const gchar *string)
+{
+#ifndef DEBUG_OUTPUT
+  g_string_append_printf (dest, "\"");
+#endif
+
+  if (string)
+    while (*string)
+      {
+        switch (*string)
+          {
+          case '\\' : g_string_append_printf (dest, "\\\\"); break;
+          case '\"' : g_string_append_printf (dest, "\\\""); break;
+          case '{'  : g_string_append_printf (dest, "@{");   break;
+          case '@'  : g_string_append_printf (dest, "@@");   break;
+          case '}'  : g_string_append_printf (dest, "@}");   break;
+
+          default:
+            g_string_append_printf (dest, "%c", *string);
+          }
+        string++;
+      }
+
+#ifndef DEBUG_OUTPUT
+  g_string_append_printf (dest, "\"\n");
+#endif
+}
+
+static void
+gimp_pdb_print_entry (gpointer key,
+                      gpointer value,
+                      gpointer user_data)
+{
+  PDBDump       *pdb_dump = user_data;
+  GOutputStream *output   = pdb_dump->output;
+  const gchar   *proc_name;
+  GList         *list;
+  GEnumClass    *arg_class;
+  GEnumClass    *proc_class;
+  GString       *buf;
+  GString       *string;
+  gint           num = 0;
+
+  if (pdb_dump->error)
+    return;
+
+  proc_name = key;
+
+  if (pdb_dump->dumping_compat)
+    list = g_hash_table_lookup (pdb_dump->pdb->procedures, value);
+  else
+    list = value;
+
+  arg_class  = g_type_class_ref (GIMP_TYPE_PDB_ARG_TYPE);
+  proc_class = g_type_class_ref (GIMP_TYPE_PDB_PROC_TYPE);
+
+  buf    = g_string_new (NULL);
+  string = g_string_new (NULL);
+
+  for (; list; list = list->next)
+    {
+      GimpProcedure *procedure = list->data;
+      PDBStrings     strings;
+      GEnumValue    *arg_value;
+      GimpEnumDesc  *type_desc;
+      gint           i;
+
+      num++;
+
+      gimp_pdb_get_strings (&strings, procedure, pdb_dump->dumping_compat);
+
+#ifdef DEBUG_OUTPUT
+      g_string_append_printf (string, "(");
+#else
+      g_string_append_printf (string, "(register-procedure ");
+#endif
+
+      if (num != 1)
+        {
+          g_string_printf (buf, "%s <%d>", proc_name, num);
+          output_string (string, buf->str);
+        }
+      else
+        {
+          output_string (string, proc_name);
+        }
+
+      type_desc = gimp_enum_get_desc (proc_class, procedure->proc_type);
+
+#ifdef DEBUG_OUTPUT
+
+      g_string_append_printf (string, " (");
+
+      for (i = 0; i < procedure->num_args; i++)
+        {
+          GParamSpec     *pspec = procedure->args[i];
+          GimpPDBArgType  arg_type;
+
+          arg_type = gimp_pdb_compat_arg_type_from_gtype (pspec->value_type);
+
+          arg_value = g_enum_get_value (arg_class, arg_type);
+
+          if (i > 0)
+            g_string_append_printf (string, " ");
+
+          output_string (string, arg_value->value_name);
+        }
+
+      g_string_append_printf (string, ") (");
+
+      for (i = 0; i < procedure->num_values; i++)
+        {
+          GParamSpec     *pspec = procedure->values[i];
+          GimpPDBArgType  arg_type;
+
+          arg_type = gimp_pdb_compat_arg_type_from_gtype (pspec->value_type);
+
+          arg_value = g_enum_get_value (arg_class, arg_type);
+
+          if (i > 0)
+            g_string_append_printf (string, " ");
+
+          output_string (string, arg_value->value_name);
+        }
+
+      g_string_append_printf (string, "))\n");
+
+#else /* ! DEBUG_OUTPUT */
+
+      g_string_append_printf (string, "  ");
+      output_string (string, strings.blurb);
+
+      g_string_append_printf (string, "  ");
+      output_string (string, strings.help);
+
+      g_string_append_printf (string, "  ");
+      output_string (string, strings.author);
+
+      g_string_append_printf (string, "  ");
+      output_string (string, strings.copyright);
+
+      g_string_append_printf (string, "  ");
+      output_string (string, strings.date);
+
+      g_string_append_printf (string, "  ");
+      output_string (string, type_desc->value_desc);
+
+      g_string_append_printf (string, "  (");
+
+      for (i = 0; i < procedure->num_args; i++)
+        {
+          GParamSpec     *pspec = procedure->args[i];
+          GimpPDBArgType  arg_type;
+          gchar          *desc  = gimp_param_spec_get_desc (pspec);
+
+          g_string_append_printf (string, "\n    (\n");
+
+          arg_type = gimp_pdb_compat_arg_type_from_gtype (pspec->value_type);
+
+          arg_value = g_enum_get_value (arg_class, arg_type);
+
+          g_string_append_printf (string, "      ");
+          output_string (string, g_param_spec_get_name (pspec));
+
+          g_string_append_printf (string, "      ");
+          output_string (string, arg_value->value_name);
+
+          g_string_append_printf (string, "      ");
+          output_string (string, desc);
+
+          g_free (desc);
+
+          g_string_append_printf (string, "    )");
+        }
+
+      g_string_append_printf (string, "\n  )\n");
+
+      g_string_append_printf (string, "  (");
+
+      for (i = 0; i < procedure->num_values; i++)
+        {
+          GParamSpec     *pspec = procedure->values[i];
+          GimpPDBArgType  arg_type;
+          gchar          *desc  = gimp_param_spec_get_desc (pspec);
+
+          g_string_append_printf (string, "\n    (\n");
+
+          arg_type = gimp_pdb_compat_arg_type_from_gtype (pspec->value_type);
+
+          arg_value = g_enum_get_value (arg_class, arg_type);
+
+          g_string_append_printf (string, "      ");
+          output_string (string, g_param_spec_get_name (pspec));
+
+          g_string_append_printf (string, "      ");
+          output_string (string, arg_value->value_name);
+
+          g_string_append_printf (string, "      ");
+          output_string (string, desc);
+
+          g_free (desc);
+
+          g_string_append_printf (string, "    )");
+        }
+
+      g_string_append_printf (string, "\n  )");
+      g_string_append_printf (string, "\n)\n");
+
+#endif /* DEBUG_OUTPUT */
+
+      gimp_pdb_free_strings (&strings);
+    }
+
+  g_output_stream_write_all (output, string->str, string->len,
+                             NULL, NULL, &pdb_dump->error);
+
+  g_string_free (string, TRUE);
+  g_string_free (buf, TRUE);
+
+  g_type_class_unref (arg_class);
+  g_type_class_unref (proc_class);
+}
+
+static void
+gimp_pdb_get_strings (PDBStrings    *strings,
+                      GimpProcedure *procedure,
+                      gboolean       compat)
+{
+  strings->compat = compat;
+
+  if (compat)
+    {
+      strings->blurb     = g_strdup_printf (COMPAT_BLURB,
+                                            gimp_object_get_name (procedure));
+      strings->help      = g_strdup (strings->blurb);
+      strings->author    = NULL;
+      strings->copyright = NULL;
+      strings->date      = NULL;
+    }
+  else
+    {
+      strings->blurb     = procedure->blurb;
+      strings->help      = procedure->help;
+      strings->author    = procedure->author;
+      strings->copyright = procedure->copyright;
+      strings->date      = procedure->date;
+    }
+}
+
+static void
+gimp_pdb_free_strings (PDBStrings *strings)
+{
+  if (strings->compat)
+    {
+      g_free (strings->blurb);
+      g_free (strings->help);
+    }
+}