1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
|
/*
* Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
* Copyright (C) 2012 - Scilab Enterprises - Calixte DENIZET
*
* This file must be used under the terms of the CeCILL.
* This source file is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at
* http://www.cecill.info/licences/Licence_CeCILL_V2.1-en.txt
*
*/
#include "ScilabGateway.hxx"
namespace org_modules_external_objects
{
int ScilabGateway::exists(char * fname, const int envId, void * pvApiCtx)
{
SciErr err;
int * addr = 0;
int * id = 0;
int row = 0;
int col = 0;
bool exists = false;
CheckInputArgument(pvApiCtx, 1, 1);
CheckOutputArgument(pvApiCtx, 1, 1);
ScilabAbstractEnvironment & env = ScilabEnvironments::getEnvironment(envId);
ScilabGatewayOptions & options = env.getGatewayOptions();
OptionsHelper::setCopyOccurred(false);
ScilabObjects::initialization(env, pvApiCtx);
options.setIsNew(false);
err = getVarAddressFromPosition(pvApiCtx, 1, &addr);
if (err.iErr)
{
throw ScilabAbstractEnvironmentException(__LINE__, __FILE__, gettext("Invalid variable: cannot retrieve the data"));
}
if (!ScilabObjects::isExternalObjOrClass(addr, pvApiCtx))
{
throw ScilabAbstractEnvironmentException(__LINE__, __FILE__, gettext("Wrong type for input argument #%d: An External Object expected."), 1);
return 0;
}
err = getMatrixOfInteger32InList(pvApiCtx, addr, EXTERNAL_OBJ_ID_POSITION, &row, &col, &id);
if (err.iErr)
{
throw ScilabAbstractEnvironmentException(__LINE__, __FILE__, gettext("Invalid variable: cannot retrieve the data"));
}
try
{
exists = env.isvalidobject(*id);
}
catch (std::exception & e)
{
throw;
}
createScalarBoolean(pvApiCtx, 1, exists ? 1 : 0);
LhsVar(1) = 1;
PutLhsVar();
return 0;
}
}
|
