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| 1 /* |
| 2 * Copyright 2013 Google Inc. |
| 3 * |
| 4 * Use of this source code is governed by a BSD-style license that can be |
| 5 * found in the LICENSE file. |
| 6 */ |
| 7 |
| 8 /* |
| 9 * Error codes used by gmmain.cpp. |
| 10 */ |
| 11 |
| 12 #ifndef gm_error_DEFINED |
| 13 #define gm_error_DEFINED |
| 14 |
| 15 #include "gm.h" |
| 16 |
| 17 namespace skiagm { |
| 18 |
| 19 /** |
| 20 * The complete list of error types we might encounter in GM. |
| 21 */ |
| 22 enum ErrorType { |
| 23 // Even though kNoGpuContext_ErrorType only occurs when SK_SUPPORT_GPU |
| 24 // is turned on, we always include this type in our enum so that |
| 25 // reports will be consistent whether SK_SUPPORT_GPU is turned on |
| 26 // or off (as long as the number of these errors is 0). |
| 27 kNoGpuContext_ErrorType, |
| 28 |
| 29 kIntentionallySkipped_ErrorType, |
| 30 kRenderModeMismatch_ErrorType, |
| 31 kGeneratePdfFailed_ErrorType, |
| 32 kExpectationsMismatch_ErrorType, |
| 33 kMissingExpectations_ErrorType, |
| 34 kWritingReferenceImage_ErrorType, |
| 35 kLast_ErrorType = kWritingReferenceImage_ErrorType |
| 36 }; |
| 37 |
| 38 /** |
| 39 * Returns the name of the given ErrorType. |
| 40 */ |
| 41 static const char *getErrorTypeName(ErrorType type) { |
| 42 switch(type) { |
| 43 case kNoGpuContext_ErrorType: |
| 44 return "NoGpuContext"; |
| 45 case kIntentionallySkipped_ErrorType: |
| 46 return "IntentionallySkipped"; |
| 47 case kRenderModeMismatch_ErrorType: |
| 48 return "RenderModeMismatch"; |
| 49 case kGeneratePdfFailed_ErrorType: |
| 50 return "GeneratePdfFailed"; |
| 51 case kExpectationsMismatch_ErrorType: |
| 52 return "ExpectationsMismatch"; |
| 53 case kMissingExpectations_ErrorType: |
| 54 return "MissingExpectations"; |
| 55 case kWritingReferenceImage_ErrorType: |
| 56 return "WritingReferenceImage"; |
| 57 } |
| 58 // control should never reach here |
| 59 SkDEBUGFAIL("getErrorTypeName() called with unknown type"); |
| 60 return "Unknown"; |
| 61 } |
| 62 |
| 63 /** |
| 64 * Fills in "type" with the ErrorType associated with name "name". |
| 65 * Returns true if we found one, false if it is an unknown type name. |
| 66 */ |
| 67 static bool getErrorTypeByName(const char name[], ErrorType *type) { |
| 68 for (int typeInt = 0; typeInt <= kLast_ErrorType; typeInt++) { |
| 69 ErrorType thisType = static_cast<ErrorType>(typeInt); |
| 70 const char *thisTypeName = getErrorTypeName(thisType); |
| 71 if (0 == strcmp(thisTypeName, name)) { |
| 72 *type = thisType; |
| 73 return true; |
| 74 } |
| 75 } |
| 76 return false; |
| 77 } |
| 78 |
| 79 /** |
| 80 * A combination of 0 or more ErrorTypes. |
| 81 */ |
| 82 class ErrorCombination { |
| 83 public: |
| 84 ErrorCombination() : fBitfield(0) {} |
| 85 ErrorCombination(const ErrorType type) : fBitfield(1 << type) {} |
| 86 |
| 87 /** |
| 88 * Returns true iff there are NO errors. |
| 89 */ |
| 90 bool isEmpty() const { |
| 91 return (0 == this->fBitfield); |
| 92 } |
| 93 |
| 94 /** |
| 95 * Adds this ErrorType to this ErrorCombination. |
| 96 */ |
| 97 void add(const ErrorType type) { |
| 98 this->fBitfield |= (1 << type); |
| 99 } |
| 100 |
| 101 /** |
| 102 * Adds all ErrorTypes in "other" to this ErrorCombination. |
| 103 */ |
| 104 void add(const ErrorCombination other) { |
| 105 this->fBitfield |= other.fBitfield; |
| 106 } |
| 107 |
| 108 /** |
| 109 * Returns true iff this ErrorCombination includes this ErrorType. |
| 110 */ |
| 111 bool includes(const ErrorType type) const { |
| 112 return !(0 == (this->fBitfield & (1 << type))); |
| 113 } |
| 114 |
| 115 /** |
| 116 * Returns a string representation of all ErrorTypes in this |
| 117 * ErrorCombination. |
| 118 * |
| 119 * @param separator text with which to separate ErrorType names |
| 120 */ |
| 121 SkString asString(const char separator[]) const { |
| 122 SkString s; |
| 123 for (int typeInt = 0; typeInt <= kLast_ErrorType; typeInt++) { |
| 124 ErrorType type = static_cast<ErrorType>(typeInt); |
| 125 if (this->includes(type)) { |
| 126 if (!s.isEmpty()) { |
| 127 s.append(separator); |
| 128 } |
| 129 s.append(getErrorTypeName(type)); |
| 130 } |
| 131 } |
| 132 return s; |
| 133 } |
| 134 |
| 135 /** |
| 136 * Returns a new ErrorCombination, which includes the union of all |
| 137 * ErrorTypes in two ErrorCombination objects (this and other). |
| 138 */ |
| 139 ErrorCombination plus(const ErrorCombination& other) const { |
| 140 ErrorCombination retval; |
| 141 retval.fBitfield = this->fBitfield | other.fBitfield; |
| 142 return retval; |
| 143 } |
| 144 |
| 145 /** |
| 146 * Returns a new ErrorCombination, which is a copy of "this" |
| 147 * but with all ErrorTypes in "other" removed. |
| 148 */ |
| 149 ErrorCombination minus(const ErrorCombination& other) const { |
| 150 ErrorCombination retval; |
| 151 retval.fBitfield = this->fBitfield & ~(other.fBitfield); |
| 152 return retval; |
| 153 } |
| 154 |
| 155 private: |
| 156 int fBitfield; |
| 157 }; |
| 158 |
| 159 // No errors at all. |
| 160 const static ErrorCombination kEmpty_ErrorCombination; |
| 161 } |
| 162 |
| 163 #endif // ifndef gm_error_DEFINED |
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