| 1 | /* |
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| 2 | * ---------------------------------------------------------------------- |
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| 3 | * Rappture::Outcome |
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| 4 | * This object represents the result of any Rappture call. It acts |
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| 5 | * like a boolean, so it can be tested for success/failure. But |
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| 6 | * it can also contain information about failure, including a trace |
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| 7 | * back of messages indicating the cause. |
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| 8 | * |
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| 9 | * ====================================================================== |
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| 10 | * AUTHOR: Michael McLennan, Purdue University |
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| 11 | * Copyright (c) 2004-2006 Purdue Research Foundation |
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| 12 | * |
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| 13 | * See the file "license.terms" for information on usage and |
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| 14 | * redistribution of this file, and for a DISCLAIMER OF ALL WARRANTIES. |
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| 15 | * ====================================================================== |
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| 16 | */ |
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| 17 | #include "RpOutcome.h" |
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| 18 | |
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| 19 | using namespace Rappture; |
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| 20 | |
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| 21 | Outcome::Outcome(const char *errmsg) |
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| 22 | : _status(0), |
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| 23 | _remarkPtr(NULL), |
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| 24 | _contextPtr(NULL) |
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| 25 | { |
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| 26 | if (errmsg) { |
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| 27 | error(errmsg); |
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| 28 | } |
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| 29 | } |
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| 30 | |
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| 31 | Outcome::Outcome(const Outcome& oc) |
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| 32 | : _status(oc._status), |
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| 33 | _remarkPtr(oc._remarkPtr), |
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| 34 | _contextPtr(oc._contextPtr) |
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| 35 | { |
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| 36 | } |
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| 37 | |
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| 38 | Outcome& |
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| 39 | Outcome::operator=(const Outcome& oc) |
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| 40 | { |
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| 41 | _status = oc._status; |
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| 42 | _remarkPtr = oc._remarkPtr; |
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| 43 | _contextPtr = oc._contextPtr; |
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| 44 | return *this; |
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| 45 | } |
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| 46 | |
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| 47 | Outcome& |
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| 48 | Outcome::error(const char* errmsg, int status) |
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| 49 | { |
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| 50 | _status = status; |
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| 51 | _remarkPtr = Ptr<std::string>(new std::string(errmsg)); |
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| 52 | _contextPtr.clear(); |
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| 53 | return *this; |
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| 54 | } |
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| 55 | |
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| 56 | Outcome& |
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| 57 | Outcome::clear() |
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| 58 | { |
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| 59 | _status = 0; |
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| 60 | _remarkPtr.clear(); |
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| 61 | _contextPtr.clear(); |
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| 62 | return *this; |
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| 63 | } |
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| 64 | |
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| 65 | Outcome::operator int() const |
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| 66 | { |
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| 67 | return _status; |
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| 68 | } |
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| 69 | |
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| 70 | int |
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| 71 | Outcome::operator!() const |
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| 72 | { |
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| 73 | return (_status == 0); |
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| 74 | } |
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| 75 | |
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| 76 | Outcome& |
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| 77 | Outcome::operator&=(Outcome oc) |
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| 78 | { |
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| 79 | _status &= oc._status; |
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| 80 | if (!oc._contextPtr.isNull()) { |
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| 81 | _remarkPtr = oc._remarkPtr; |
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| 82 | _contextPtr = oc._contextPtr; |
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| 83 | } |
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| 84 | return *this; |
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| 85 | } |
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| 86 | |
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| 87 | std::string |
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| 88 | Outcome::remark() const |
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| 89 | { |
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| 90 | if (!_remarkPtr.isNull()) { |
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| 91 | return _remarkPtr->data(); |
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| 92 | } |
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| 93 | return ""; |
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| 94 | } |
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| 95 | |
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| 96 | Outcome& |
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| 97 | Outcome::addContext(const char *rem) |
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| 98 | { |
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| 99 | if (_contextPtr.isNull()) { |
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| 100 | _contextPtr = new std::string(); |
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| 101 | } |
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| 102 | _contextPtr->append(rem); |
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| 103 | _contextPtr->append("\n"); |
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| 104 | return *this; |
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| 105 | } |
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| 106 | |
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| 107 | std::string |
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| 108 | Outcome::context() const |
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| 109 | { |
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| 110 | if (!_contextPtr.isNull()) { |
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| 111 | return _contextPtr->data(); |
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| 112 | } |
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| 113 | return ""; |
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| 114 | } |
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