| /* |
| * Copyright (c) 2011-2015, Intel Corporation |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without modification, |
| * are permitted provided that the following conditions are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright notice, this |
| * list of conditions and the following disclaimer. |
| * |
| * 2. Redistributions in binary form must reproduce the above copyright notice, |
| * this list of conditions and the following disclaimer in the documentation and/or |
| * other materials provided with the distribution. |
| * |
| * 3. Neither the name of the copyright holder nor the names of its contributors |
| * may be used to endorse or promote products derived from this software without |
| * specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR |
| * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON |
| * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| #include "EnumParameterType.h" |
| #include "EnumValuePair.h" |
| #include "ParameterAccessContext.h" |
| #include "convert.hpp" |
| |
| #define base CParameterType |
| |
| using std::string; |
| |
| CEnumParameterType::CEnumParameterType(const string &strName) : base(strName) |
| { |
| } |
| |
| string CEnumParameterType::getKind() const |
| { |
| return "EnumParameter"; |
| } |
| |
| bool CEnumParameterType::childrenAreDynamic() const |
| { |
| return true; |
| } |
| |
| // Element properties |
| void CEnumParameterType::showProperties(string &strResult) const |
| { |
| base::showProperties(strResult); |
| |
| strResult += "Value Pairs:\n"; |
| |
| // Show all value pairs |
| size_t uiChild; |
| size_t uiNbChildren = getNbChildren(); |
| |
| for (uiChild = 0; uiChild < uiNbChildren; uiChild++) { |
| |
| const CEnumValuePair *pValuePair = static_cast<const CEnumValuePair *>(getChild(uiChild)); |
| |
| strResult += "\tLiteral: \""; |
| strResult += pValuePair->getName(); |
| strResult += "\", Numerical: "; |
| strResult += pValuePair->getNumericalAsString(); |
| strResult += "\n"; |
| } |
| } |
| |
| bool CEnumParameterType::fromXml(const CXmlElement &xmlElement, |
| CXmlSerializingContext &serializingContext) |
| { |
| // Size in bits |
| size_t sizeInBits = 0; |
| if (not xmlElement.getAttribute("Size", sizeInBits)) { |
| return false; |
| } |
| |
| // Size |
| setSize(sizeInBits / 8); |
| |
| // Base |
| return base::fromXml(xmlElement, serializingContext); |
| } |
| |
| // Conversion (tuning) |
| bool CEnumParameterType::toBlackboard(const string &strValue, uint32_t &uiValue, |
| CParameterAccessContext ¶meterAccessContext) const |
| { |
| int32_t iParsedUserValue = 0; |
| |
| // Try to read the user-provided string as an integer |
| if (not convertTo(strValue, iParsedUserValue)) { |
| // If it fails to parse as an integer, first try to convert it from |
| // lexical to numerical space. |
| int32_t iNumerical; |
| if (not getNumerical(strValue, iNumerical)) { |
| |
| parameterAccessContext.setError("Provided value '" + strValue + |
| "' is not part of the lexical space" |
| " or not within the numerical range."); |
| |
| return false; |
| } |
| iParsedUserValue = iNumerical; |
| } |
| |
| // Once it has been converted to a number (either through parsing or |
| // through lexical->numerical conversion), call the numerical overload of |
| // toBlackboard. |
| return toBlackboard(iParsedUserValue, uiValue, parameterAccessContext); |
| } |
| |
| int32_t CEnumParameterType::getMin() const |
| { |
| // Enums are always signed, it means we have one less util bit |
| return -getMax() - 1; |
| } |
| |
| int32_t CEnumParameterType::getMax() const |
| { |
| return getMaxValue<int32_t>(); |
| } |
| |
| bool CEnumParameterType::fromBlackboard(string &userValue, const uint32_t &value, |
| CParameterAccessContext & /*ctx*/) const |
| { |
| // Convert the raw value from the blackboard |
| int32_t signedValue = static_cast<int32_t>(value); |
| signExtend(signedValue); |
| |
| // Convert from numerical space to literal space |
| return getLiteral(signedValue, userValue); |
| } |
| |
| // Value access |
| bool CEnumParameterType::toBlackboard(int32_t userValue, uint32_t &value, |
| CParameterAccessContext ¶meterAccessContext) const |
| { |
| if (!checkValueAgainstSpace(userValue)) { |
| |
| parameterAccessContext.setError(std::to_string(userValue) + |
| " is not part of numerical space."); |
| |
| return false; |
| } |
| |
| if (userValue < getMin() or userValue > getMax()) { |
| |
| // FIXME: values provided as hexa (either on command line or in a config |
| // file will appear in decimal base instead of hexa base... |
| parameterAccessContext.setError( |
| "Value " + std::to_string(userValue) + " standing out of admitted range [" + |
| std::to_string(getMin()) + ", " + std::to_string(getMax()) + "] for " + getKind()); |
| return false; |
| } |
| |
| value = static_cast<uint32_t>(userValue); |
| |
| return true; |
| } |
| |
| bool CEnumParameterType::fromBlackboard(int32_t &userValue, uint32_t value, |
| CParameterAccessContext & /*ctx*/) const |
| { |
| int32_t signedValue = static_cast<int32_t>(value); |
| |
| // Sign extend |
| signExtend(signedValue); |
| |
| userValue = signedValue; |
| |
| return true; |
| } |
| |
| // Default value handling (simulation only) |
| uint32_t CEnumParameterType::getDefaultValue() const |
| { |
| if (!getNbChildren()) { |
| |
| return 0; |
| } |
| |
| // Return first available numerical |
| return static_cast<const CEnumValuePair *>(getChild(0))->getNumerical(); |
| } |
| |
| // Literal - numerical conversions |
| bool CEnumParameterType::getLiteral(int32_t iNumerical, string &strLiteral) const |
| { |
| size_t uiChild; |
| size_t uiNbChildren = getNbChildren(); |
| |
| for (uiChild = 0; uiChild < uiNbChildren; uiChild++) { |
| |
| const CEnumValuePair *pValuePair = static_cast<const CEnumValuePair *>(getChild(uiChild)); |
| |
| if (pValuePair->getNumerical() == iNumerical) { |
| |
| strLiteral = pValuePair->getName(); |
| |
| return true; |
| } |
| } |
| |
| return false; |
| } |
| |
| bool CEnumParameterType::getNumerical(const string &strLiteral, int32_t &iNumerical) const |
| { |
| size_t uiChild; |
| size_t uiNbChildren = getNbChildren(); |
| |
| for (uiChild = 0; uiChild < uiNbChildren; uiChild++) { |
| |
| const CEnumValuePair *pValuePair = static_cast<const CEnumValuePair *>(getChild(uiChild)); |
| |
| if (pValuePair->getName() == strLiteral) { |
| |
| iNumerical = pValuePair->getNumerical(); |
| |
| return true; |
| } |
| } |
| |
| return false; |
| } |
| |
| // Numerical validity of the enum value |
| bool CEnumParameterType::checkValueAgainstSpace(int32_t iNumerical) const |
| { |
| // Check that the value is part of the allowed values for this kind of enum |
| size_t uiChild; |
| size_t uiNbChildren = getNbChildren(); |
| |
| for (uiChild = 0; uiChild < uiNbChildren; uiChild++) { |
| |
| const CEnumValuePair *pValuePair = static_cast<const CEnumValuePair *>(getChild(uiChild)); |
| |
| if (pValuePair->getNumerical() == iNumerical) { |
| |
| return true; |
| } |
| } |
| |
| return false; |
| } |
| |
| // From IXmlSource |
| void CEnumParameterType::toXml(CXmlElement &xmlElement, |
| CXmlSerializingContext &serializingContext) const |
| { |
| // Size |
| xmlElement.setAttribute("Size", getSize() * 8); |
| |
| base::toXml(xmlElement, serializingContext); |
| } |