/*
 * 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 2
 * 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, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 */

/** \file
 * \ingroup python
 */

#ifndef __BPY_EXTERN_H__
#define __BPY_EXTERN_H__

struct AnimationEvalContext;
struct ChannelDriver; /* DNA_anim_types.h */
struct ID;            /* DNA_ID.h */
struct ListBase;      /* DNA_listBase.h */
struct Object;        /* DNA_object_types.h */
struct PathResolvedRNA;
struct ReportList;
struct Text;              /* defined in DNA_text_types.h */
struct bConstraint;       /* DNA_constraint_types.h */
struct bConstraintOb;     /* DNA_constraint_types.h */
struct bConstraintTarget; /* DNA_constraint_types.h*/
struct bContext;
struct bContextDataResult;
struct bPythonConstraint; /* DNA_constraint_types.h */

#include "BLI_utildefines.h"

#ifdef __cplusplus
extern "C" {
#endif

void BPY_pyconstraint_exec(struct bPythonConstraint *con,
                           struct bConstraintOb *cob,
                           struct ListBase *targets);
//  void BPY_pyconstraint_settings(void *arg1, void *arg2);
void BPY_pyconstraint_target(struct bPythonConstraint *con, struct bConstraintTarget *ct);
void BPY_pyconstraint_update(struct Object *owner, struct bConstraint *con);
int BPY_is_pyconstraint(struct Text *text);
//  void BPY_free_pyconstraint_links(struct Text *text);

void BPY_python_start(int argc, const char **argv);
void BPY_python_end(void);
void BPY_python_reset(struct bContext *C);
void BPY_python_use_system_env(void);

/* global interpreter lock */

typedef void *BPy_ThreadStatePtr;

BPy_ThreadStatePtr BPY_thread_save(void);
void BPY_thread_restore(BPy_ThreadStatePtr tstate);

/* our own wrappers to Py_BEGIN_ALLOW_THREADS/Py_END_ALLOW_THREADS */
#define BPy_BEGIN_ALLOW_THREADS \
  { \
    BPy_ThreadStatePtr _bpy_saved_tstate = BPY_thread_save(); \
    (void)0
#define BPy_END_ALLOW_THREADS \
  BPY_thread_restore(_bpy_saved_tstate); \
  } \
  (void)0

bool BPY_execute_filepath(struct bContext *C, const char *filepath, struct ReportList *reports);
bool BPY_execute_text(struct bContext *C,
                      struct Text *text,
                      struct ReportList *reports,
                      const bool do_jump);

bool BPY_execute_string_as_number(struct bContext *C,
                                  const char *imports[],
                                  const char *expr,
                                  const char *report_prefix,
                                  double *r_value);
bool BPY_execute_string_as_intptr(struct bContext *C,
                                  const char *imports[],
                                  const char *expr,
                                  const char *report_prefix,
                                  intptr_t *r_value);
bool BPY_execute_string_as_string_and_size(struct bContext *C,
                                           const char *imports[],
                                           const char *expr,
                                           const char *report_prefix,
                                           char **r_value,
                                           size_t *r_value_size);
bool BPY_execute_string_as_string(struct bContext *C,
                                  const char *imports[],
                                  const char *expr,
                                  const char *report_prefix,
                                  char **r_value);

bool BPY_execute_string_ex(struct bContext *C,
                           const char *imports[],
                           const char *expr,
                           bool use_eval);
bool BPY_execute_string(struct bContext *C, const char *imports[], const char *expr);

void BPY_text_free_code(struct Text *text);
void BPY_modules_update(
    struct bContext *C);  // XXX - annoying, need this for pointers that get out of date
void BPY_modules_load_user(struct bContext *C);

void BPY_app_handlers_reset(const short do_all);

void BPY_driver_reset(void);
float BPY_driver_exec(struct PathResolvedRNA *anim_rna,
                      struct ChannelDriver *driver,
                      struct ChannelDriver *driver_orig,
                      const struct AnimationEvalContext *anim_eval_context);

void BPY_DECREF(void *pyob_ptr); /* Py_DECREF() */
void BPY_DECREF_RNA_INVALIDATE(void *pyob_ptr);
int BPY_context_member_get(struct bContext *C,
                           const char *member,
                           struct bContextDataResult *result);
void BPY_context_set(struct bContext *C);
void BPY_context_update(struct bContext *C);

void BPY_id_release(struct ID *id);

bool BPY_string_is_keyword(const char *str);

/* I18n for addons */
#ifdef WITH_INTERNATIONAL
const char *BPY_app_translations_py_pgettext(const char *msgctxt, const char *msgid);
#endif

#ifdef __cplusplus
} /* extern "C" */
#endif

#endif /* __BPY_EXTERN_H__ */