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/*
*
* ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
*
* 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. The Blender
* Foundation also sells licenses for use in proprietary software under
* the Blender License. See http://www.blender.org/BL/ for information
* about this.
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* This is a new part of Blender.
*
* Contributor(s): Michel Selten, Willian P. Germano
*
* ***** END GPL/BL DUAL LICENSE BLOCK *****
*/
#include "gen_utils.h"
#include "constant.h"
#include <DNA_text_types.h>
#include <MEM_guardedalloc.h>
/*****************************************************************************/
/* Description: This function clamps an int to the given interval */
/* [min, max]. */
/*****************************************************************************/
int EXPP_ClampInt (int value, int min, int max)
{
if (value < min) return min;
else if (value > max) return max;
return value;
}
/*****************************************************************************/
/* Description: This function clamps a float to the given interval */
/* [min, max]. */
/*****************************************************************************/
float EXPP_ClampFloat (float value, float min, float max)
{
if (value < min) return min;
else if (value > max) return max;
return value;
}
/*****************************************************************************/
/* Description: This function returns true if both given strings are equal, */
/* otherwise it returns false. */
/*****************************************************************************/
int StringEqual (const char * string1, const char * string2)
{
return (strcmp(string1, string2)==0);
}
/*****************************************************************************/
/* Description: This function returns the name of the given ID struct */
/* without the Object type identifying characters prepended. */
/*****************************************************************************/
char * GetIdName (ID *id)
{
return ((id->name)+2);
}
/*****************************************************************************/
/* Description: This function returns the ID of the object with given name */
/* from a given list. */
/*****************************************************************************/
ID *GetIdFromList(ListBase *list, char *name)
{
ID *id = list->first;
while (id) {
if(strcmp(name, id->name+2) == 0) break;
id= id->next;
}
return id;
}
/*****************************************************************************/
/* Description: These functions set an internal string with the given type */
/* and error_msg arguments. */
/*****************************************************************************/
PyObject *EXPP_ReturnPyObjError (PyObject * type, char * error_msg)
{ /* same as above, just to change its name smoothly */
PyErr_SetString (type, error_msg);
return NULL;
}
int EXPP_ReturnIntError (PyObject *type, char *error_msg)
{
PyErr_SetString (type, error_msg);
return -1;
}
/*****************************************************************************/
/* Description: This function increments the reference count of the given */
/* Python object (usually Py_None) and returns it. */
/*****************************************************************************/
PyObject *EXPP_incr_ret (PyObject *object)
{
Py_INCREF (object);
return (object);
}
/*****************************************************************************/
/* Description: This function maps the event identifier to a string. */
/*****************************************************************************/
char * event_to_name(short event)
{
switch (event)
{
case SCRIPT_FRAMECHANGED:
return "FrameChanged";
case SCRIPT_ONLOAD:
return "OnLoad";
case SCRIPT_REDRAW:
return "Redraw";
default:
return "Unknown";
}
}
/*****************************************************************************/
/* Description: Checks whether all objects in a PySequence are of a same */
/* given type. Returns 0 if not, 1 on success. */
/*****************************************************************************/
int EXPP_check_sequence_consistency(PyObject *seq, PyTypeObject *against)
{
PyObject *ob;
int len = PySequence_Length(seq);
int i, result = 1;
for (i = 0; i < len; i++) {
ob = PySequence_GetItem(seq, i);
if (ob == Py_None) result = 2;
else if (ob->ob_type != against) {
Py_DECREF(ob);
return 0;
}
Py_DECREF(ob);
}
return result; /* 1 if all of 'against' type, 2 if there are (also) Nones */
}
PyObject *EXPP_tuple_repr(PyObject *self, int size)
{
PyObject *repr, *item;
int i;
/*@ note: a value must be built because the list is decrefed!
* otherwise we have nirvana pointers inside python.. */
repr = PyString_FromString("");
if (!repr) return 0;
item = PySequence_GetItem(self, 0);
PyString_ConcatAndDel(&repr, PyObject_Repr(item));
Py_DECREF(item);
for (i = 1; i < size; i++) {
item = PySequence_GetItem(self, i);
PyString_ConcatAndDel(&repr, PyObject_Repr(item));
Py_DECREF(item);
}
return repr;
}
/****************************************************************************/
/* Description: searches through a map for a pair with a given name. If the */
/* pair is present, its ival is stored in *ival and nonzero is */
/* returned. If the pair is absent, zero is returned. */
/****************************************************************************/
int EXPP_map_getIntVal (const EXPP_map_pair *map, const char *sval, int *ival)
{
while (map->sval)
{
if (StringEqual(sval, map->sval))
{
*ival = map->ival;
return 1;
}
++map;
}
return 0;
}
/****************************************************************************/
/* Description: searches through a map for a pair with a given name. If the */
/* pair is present, its ival is stored in *ival and nonzero is */
/* returned. If the pair is absent, zero is returned. */
/* note: this function is identical to EXPP_map_getIntVal except that the */
/* output is stored in a short value. */
/****************************************************************************/
int EXPP_map_getShortVal (const EXPP_map_pair *map,
const char *sval, short *ival)
{
while (map->sval)
{
if (StringEqual(sval, map->sval))
{
*ival = map->ival;
return 1;
}
++map;
}
return 0;
}
/****************************************************************************/
/* Description: searches through a map for a pair with a given ival. If the */
/* pair is present, a pointer to its name is stored in *sval */
/* and nonzero is returned. If the pair is absent, zero is */
/* returned. */
/****************************************************************************/
int EXPP_map_getStrVal (const EXPP_map_pair *map, int ival, const char **sval)
{
while (map->sval)
{
if (ival == map->ival)
{
*sval = map->sval;
return 1;
}
++map;
}
return 0;
}
/************************************************************************/
/* Scriptlink-related functions, used by scene, object, etc. bpyobjects */
/************************************************************************/
PyObject *EXPP_getScriptLinks (ScriptLink *slink, PyObject *args, int is_scene)
{
PyObject *list = NULL;
char *eventname = NULL;
int i, event = 0;
/* actually !scriptlink shouldn't happen ... */
if (!slink || !slink->totscript)
return EXPP_incr_ret (Py_None);
if (!PyArg_ParseTuple(args, "s", &eventname))
return EXPP_ReturnPyObjError (PyExc_TypeError,
"expected event name (string) as argument");
list = PyList_New(0);
if (!list)
return EXPP_ReturnPyObjError (PyExc_MemoryError,
"couldn't create PyList!");
if (!strcmp(eventname, "FrameChanged"))
event = SCRIPT_FRAMECHANGED;
else if (!strcmp(eventname, "Redraw"))
event = SCRIPT_REDRAW;
else if (is_scene && !strcmp(eventname, "OnLoad"))
event = SCRIPT_ONLOAD;
else
return EXPP_ReturnPyObjError (PyExc_AttributeError,
"invalid event name.");
for (i = 0; i < slink->totscript; i++) {
if ((slink->flag[i] == event) && slink->scripts[i])
PyList_Append(list, PyString_FromString(slink->scripts[i]->name+2));
}
return list;
}
int EXPP_clearScriptLinks (ScriptLink *slink)
{
/* actually !scriptlink shouldn't happen ... */
if (!slink || !slink->totscript) return -1;
if (slink->scripts) MEM_freeN(slink->scripts);
if (slink->flag) MEM_freeN(slink->flag);
slink->scripts = NULL;
slink->flag = NULL;
slink->totscript = slink->actscript = 0;
return 0; /* normal return */
}
int EXPP_addScriptLink (ScriptLink *slink, PyObject *args, int is_scene)
{
int event = 0, found_txt = 0;
void *stmp = NULL, *ftmp = NULL;
Text *bltxt = G.main->text.first;
char *textname = NULL;
char *eventname = NULL;
/* !scriptlink shouldn't happen ... */
if (!slink) {
return EXPP_ReturnIntError (PyExc_RuntimeError,
"internal error: no scriptlink!");
}
if (!PyArg_ParseTuple(args, "ss", &textname, &eventname))
return EXPP_ReturnIntError (PyExc_TypeError,
"expected two strings as arguments");
while (bltxt) {
if (!strcmp(bltxt->id.name+2, textname)) {
found_txt = 1;
break;
}
bltxt = bltxt->id.next;
}
if (!found_txt)
return EXPP_ReturnIntError (PyExc_AttributeError,
"no such Blender Text.");
if (!strcmp(eventname, "FrameChanged"))
event = SCRIPT_FRAMECHANGED;
else if (!strcmp(eventname, "Redraw"))
event = SCRIPT_REDRAW;
else if (is_scene && !strcmp(eventname, "OnLoad"))
event = SCRIPT_ONLOAD;
else
return EXPP_ReturnIntError (PyExc_AttributeError,
"invalid event name.");
stmp= slink->scripts;
slink->scripts= MEM_mallocN(sizeof(ID*)*(slink->totscript+1), "bpySlinkL");
ftmp= slink->flag;
slink->flag= MEM_mallocN(sizeof(short*)*(slink->totscript+1), "bpySlinkF");
if (slink->totscript) {
memcpy(slink->scripts, stmp, sizeof(ID*)*(slink->totscript));
MEM_freeN(stmp);
memcpy(slink->flag, ftmp, sizeof(short)*(slink->totscript));
MEM_freeN(ftmp);
}
slink->scripts[slink->totscript] = (ID*)bltxt;
slink->flag[slink->totscript]= event;
slink->totscript++;
if (slink->actscript < 1) slink->actscript = 1;
return 0; /* normal exit */
}
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