1 | /* |
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2 | * ---------------------------------------------------------------------- |
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3 | * INTERFACE: Matlab Rappture Library Source |
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4 | * |
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5 | * [retStr,err] = rpLibElementAsId(lib,path) |
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6 | * |
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7 | * ====================================================================== |
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8 | * AUTHOR: Derrick Kearney, Purdue University |
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9 | * Copyright (c) 2004-2005 Purdue Research Foundation |
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10 | * |
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11 | * See the file "license.terms" for information on usage and |
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12 | * redistribution of this file, and for a DISCLAIMER OF ALL WARRANTIES. |
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13 | * ====================================================================== |
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14 | */ |
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15 | |
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16 | #include "RpMatlabInterface.h" |
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17 | |
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18 | /**********************************************************************/ |
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19 | // METHOD: [retStr,err] = rpLibElementAsId(libHandle,path) |
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20 | /// Return the id attribute of the element at location 'path' in 'libHandle' |
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21 | /** |
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22 | * This method searches the Rappture Library Object 'libHandle' for the |
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23 | * node at the location described by the path 'path' and returns its |
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24 | * id attribute. |
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25 | * |
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26 | * If path is an empty string, the root of the node is used. 'libHandle' |
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27 | * is the handle representing the instance of the RpLibrary object. |
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28 | * Error code, err=0 on success, anything else is failure. |
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29 | */ |
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30 | |
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31 | void mexFunction(int nlhs, mxArray *plhs[], |
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32 | int nrhs, const mxArray *prhs[]) |
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33 | { |
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34 | int libIndex = 0; |
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35 | int retLibIndex = 0; |
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36 | int err = 1; |
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37 | RpLibrary* lib = NULL; |
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38 | RpLibrary* eleLib = NULL; |
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39 | std::string path = ""; |
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40 | std::string retStr = ""; |
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41 | |
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42 | /* Check for proper number of arguments. */ |
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43 | if (nrhs != 2) { |
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44 | mexErrMsgTxt("Two input required."); |
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45 | } |
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46 | |
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47 | libIndex = getIntInput(prhs[0]); |
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48 | path = getStringInput(prhs[1]); |
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49 | |
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50 | /* Call the C subroutine. */ |
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51 | if ( (libIndex > 0) && (!path.empty()) ) { |
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52 | lib = getObject_Lib(libIndex); |
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53 | if (lib) { |
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54 | eleLib = lib->element(path); |
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55 | if (eleLib) { |
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56 | retStr = eleLib->nodeId(); |
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57 | // an empty id field is valid |
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58 | err = 0; |
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59 | } |
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60 | } |
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61 | } |
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62 | |
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63 | /* Set C-style string output_buf to MATLAB mexFunction output*/ |
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64 | plhs[0] = mxCreateString(retStr.c_str()); |
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65 | plhs[1] = mxCreateDoubleScalar(err); |
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66 | |
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67 | return; |
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68 | } |
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