| 1 | /* |
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| 2 | * ---------------------------------------------------------------------- |
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| 3 | * INTERFACE: R Rappture Utils Source |
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| 4 | * |
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| 5 | * ====================================================================== |
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| 6 | * AUTHOR: Derrick Kearney, Purdue University |
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| 7 | * Copyright (c) 2004-2012 HUBzero Foundation, LLC |
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| 8 | * |
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| 9 | * See the file "license.terms" for information on usage and |
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| 10 | * redistribution of this file, and for a DISCLAIMER OF ALL WARRANTIES. |
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| 11 | * ====================================================================== |
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| 12 | */ |
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| 13 | |
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| 14 | #include "RpUtils.h" |
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| 15 | #include "RpUtilsRInterface.h" |
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| 16 | |
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| 17 | #ifdef __cplusplus |
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| 18 | extern "C" { |
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| 19 | #endif |
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| 20 | |
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| 21 | /**********************************************************************/ |
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| 22 | // FUNCTION: RPRUtilsProgress(percent,handle) |
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| 23 | /// Send the =RAPPTURE-PROGRESS=> message to stdout for the progress widget |
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| 24 | /** |
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| 25 | */ |
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| 26 | |
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| 27 | SEXP |
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| 28 | RPRUtilsProgress(SEXP percent, SEXP message) |
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| 29 | { |
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| 30 | SEXP ans; |
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| 31 | int err = 0; |
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| 32 | int percentInt = 0; |
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| 33 | |
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| 34 | ans = allocVector(INTSXP,1); |
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| 35 | PROTECT(ans); |
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| 36 | |
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| 37 | INTEGER(ans)[0] = -1; |
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| 38 | |
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| 39 | if (length(percent) != 1) { |
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| 40 | error("percent is not a scalar value"); |
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| 41 | UNPROTECT(1); |
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| 42 | return ans; |
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| 43 | } |
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| 44 | |
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| 45 | if (isReal(percent)) { |
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| 46 | percentInt = (int) asReal(percent); |
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| 47 | } else if (isInteger(percent)) { |
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| 48 | percentInt = asInteger(percent); |
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| 49 | } else { |
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| 50 | error("percent is not an integer"); |
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| 51 | UNPROTECT(1); |
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| 52 | return ans; |
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| 53 | } |
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| 54 | |
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| 55 | if (!isString(message) || length(message) != 1) { |
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| 56 | error("message is not a single string"); |
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| 57 | UNPROTECT(1); |
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| 58 | return ans; |
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| 59 | } |
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| 60 | |
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| 61 | err = Rappture::Utils::progress(percentInt,CHAR(STRING_ELT(message,0))); |
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| 62 | |
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| 63 | INTEGER(ans)[0] = err; |
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| 64 | |
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| 65 | UNPROTECT(1); |
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| 66 | |
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| 67 | return ans; |
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| 68 | } |
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| 69 | |
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| 70 | #ifdef __cplusplus |
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| 71 | } |
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| 72 | #endif // ifdef __cplusplus |
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| 73 | |
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