[135] | 1 | /* |
---|
| 2 | * ---------------------------------------------------------------------- |
---|
| 3 | * INTERFACE: Octave Rappture Library Source |
---|
| 4 | * |
---|
| 5 | * [retVal,err] = rpLibElement(libHandle,path) |
---|
| 6 | * |
---|
| 7 | * ====================================================================== |
---|
| 8 | * AUTHOR: Derrick Kearney, Purdue University |
---|
| 9 | * Copyright (c) 2005 |
---|
| 10 | * Purdue Research Foundation, West Lafayette, IN |
---|
| 11 | * ====================================================================== |
---|
| 12 | */ |
---|
| 13 | |
---|
| 14 | #include "RpOctaveInterface.h" |
---|
| 15 | |
---|
| 16 | /**********************************************************************/ |
---|
| 17 | // METHOD: [retVal,err] = rpLibElement(libHandle,path) |
---|
| 18 | /// Return a handle to the element at location 'path' in 'libHandle' |
---|
| 19 | /** |
---|
| 20 | * This method searches the Rappture Library Object 'libHandle' for the |
---|
| 21 | * node at the location described by the path 'path' and returns |
---|
| 22 | * a handle to it. |
---|
| 23 | * |
---|
| 24 | * If path is an empty string, the root of the node is used. 'libHandle' |
---|
| 25 | * is the handle representing the instance of the RpLibrary object. |
---|
| 26 | * Error code, err=0 on success, anything else is failure. |
---|
| 27 | */ |
---|
| 28 | |
---|
| 29 | DEFUN_DLD (rpLibElement, args, , |
---|
| 30 | "-*- texinfo -*-\n\ |
---|
| 31 | [retVal,err] = rpLibElement(@var{libHandle},@var{path})\n\ |
---|
| 32 | \n\ |
---|
| 33 | This method searches the Rappture Library Object @var{libHandle} for the\n\ |
---|
| 34 | node at the location described by the path @var{path} and returns\n\ |
---|
| 35 | a handle to it.\n\ |
---|
| 36 | If path is an empty string, the root of the node is used. @var{libHandle}\n\ |
---|
| 37 | is the handle representing the instance of the RpLibrary object.\n\ |
---|
| 38 | Error code, err=0 on success, anything else is failure.") |
---|
| 39 | { |
---|
| 40 | static std::string who = "rpLibElement"; |
---|
| 41 | |
---|
| 42 | // The list of values to return. |
---|
| 43 | octave_value_list retval; |
---|
| 44 | int err = 1; |
---|
| 45 | int nargin = args.length (); |
---|
| 46 | std::string path = ""; |
---|
| 47 | int libHandle = 0; |
---|
| 48 | RpLibrary* lib = NULL; |
---|
| 49 | RpLibrary* eleLib = NULL; |
---|
| 50 | |
---|
| 51 | if (nargin == 2) { |
---|
| 52 | |
---|
| 53 | if ( args(0).is_real_scalar () && |
---|
| 54 | args(1).is_string () ) { |
---|
| 55 | |
---|
| 56 | libHandle = args(0).int_value (); |
---|
| 57 | path = args(1).string_value (); |
---|
| 58 | |
---|
| 59 | /* Call the C subroutine. */ |
---|
| 60 | // path can be an empty string |
---|
| 61 | if ( (libHandle != 0) ) { |
---|
| 62 | |
---|
[1085] | 63 | lib = (RpLibrary*) getObject_Void(libHandle); |
---|
[135] | 64 | |
---|
| 65 | if (lib) { |
---|
| 66 | eleLib = lib->element(path); |
---|
| 67 | err = 0; |
---|
| 68 | } |
---|
| 69 | else { |
---|
| 70 | //error message |
---|
| 71 | } |
---|
| 72 | } |
---|
| 73 | else { |
---|
[1262] | 74 | _PRINT_USAGE (who.c_str()); |
---|
[135] | 75 | } |
---|
| 76 | } |
---|
| 77 | else { |
---|
[1262] | 78 | _PRINT_USAGE (who.c_str()); |
---|
[135] | 79 | } |
---|
| 80 | } |
---|
| 81 | else { |
---|
[1262] | 82 | _PRINT_USAGE (who.c_str()); |
---|
[135] | 83 | } |
---|
| 84 | |
---|
[1085] | 85 | retval(0) = storeObject_Void((void*)eleLib); |
---|
[135] | 86 | retval(1) = err; |
---|
| 87 | return retval; |
---|
| 88 | } |
---|