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Diffstat (limited to 'parameter/ArrayParameter.cpp')
-rw-r--r-- | parameter/ArrayParameter.cpp | 282 |
1 files changed, 282 insertions, 0 deletions
diff --git a/parameter/ArrayParameter.cpp b/parameter/ArrayParameter.cpp new file mode 100644 index 0000000..2cdae2f --- /dev/null +++ b/parameter/ArrayParameter.cpp @@ -0,0 +1,282 @@ +/* <auto_header> + * <FILENAME> + * + * INTEL CONFIDENTIAL + * Copyright © 2011 Intel + * Corporation All Rights Reserved. + * + * The source code contained or described herein and all documents related to + * the source code ("Material") are owned by Intel Corporation or its suppliers + * or licensors. Title to the Material remains with Intel Corporation or its + * suppliers and licensors. The Material contains trade secrets and proprietary + * and confidential information of Intel or its suppliers and licensors. The + * Material is protected by worldwide copyright and trade secret laws and + * treaty provisions. No part of the Material may be used, copied, reproduced, + * modified, published, uploaded, posted, transmitted, distributed, or + * disclosed in any way without Intel’s prior express written permission. + * + * No license under any patent, copyright, trade secret or other intellectual + * property right is granted to or conferred upon you by disclosure or delivery + * of the Materials, either expressly, by implication, inducement, estoppel or + * otherwise. Any license under such intellectual property rights must be + * express and approved by Intel in writing. + * + * AUTHOR: Patrick Benavoli (patrickx.benavoli@intel.com) + * CREATED: 2011-06-01 + * UPDATED: 2011-07-27 + * + * + * </auto_header> + */ +#include "ArrayParameter.h" +#include <sstream> // for istringstream +#include "Tokenizer.h" +#include "ParameterType.h" +#include "ParameterAccessContext.h" +#include "ConfigurationAccessContext.h" +#include "ParameterBlackboard.h" + +#define base CParameter + +CArrayParameter::CArrayParameter(const string& strName, const CTypeElement* pTypeElement, uint32_t uiLength) : base(strName, pTypeElement), _uiLength(uiLength) +{ +} + +uint32_t CArrayParameter::getFootPrint() const +{ + return getSize() * _uiLength; +} + +// XML configuration settings parsing +bool CArrayParameter::serializeXmlSettings(CXmlElement& xmlConfigurableElementSettingsElement, CConfigurationAccessContext& configurationAccessContext) const +{ + // Check for value space + handleValueSpaceAttribute(xmlConfigurableElementSettingsElement, configurationAccessContext); + + // Handle access + if (!configurationAccessContext.serializeOut()) { + + // Actually set values to blackboard + if (!setValues(0, configurationAccessContext.getBaseOffset(), xmlConfigurableElementSettingsElement.getTextContent(), configurationAccessContext)) { + + return false; + } + } else { + + // Get string value + string strValue; + + // Whole array requested + getValues(configurationAccessContext.getBaseOffset(), strValue, configurationAccessContext); + + // Populate value into xml text node + xmlConfigurableElementSettingsElement.setTextContent(strValue); + } + + // Done + return true; +} + +// User set/get +bool CArrayParameter::setValue(CPathNavigator& pathNavigator, const string& strValue, CErrorContext& errorContext) const +{ + CParameterAccessContext& parameterContext = static_cast<CParameterAccessContext&>(errorContext); + + uint32_t uiStartIndex; + + if (!getIndex(pathNavigator, uiStartIndex, parameterContext)) { + + return false; + } + + if (uiStartIndex == (uint32_t)-1) { + + // No index provided, start with 0 + uiStartIndex = 0; + } + + // Actually set values + if (!setValues(uiStartIndex, 0, strValue, parameterContext)) { + + return false; + } + + // Synchronize + if (parameterContext.getAutoSync() && !sync(parameterContext)) { + + // Append parameter path to error + errorContext.appendToError(" " + getPath()); + + return false; + } + + return true; +} + +bool CArrayParameter::getValue(CPathNavigator& pathNavigator, string& strValue, CErrorContext& errorContext) const +{ + CParameterAccessContext& parameterContext = static_cast<CParameterAccessContext&>(errorContext); + uint32_t uiIndex; + + if (!getIndex(pathNavigator, uiIndex, parameterContext)) { + + return false; + } + if (uiIndex == (uint32_t)-1) { + + // Whole array requested + getValues(0, strValue, parameterContext); + + } else { + // Scalar requested + doGetValue(strValue, getOffset() + uiIndex * getSize(), parameterContext); + } + + return true; +} + +void CArrayParameter::logValue(string& strValue, CErrorContext& errorContext) const +{ + CParameterAccessContext& parameterContext = static_cast<CParameterAccessContext&>(errorContext); + + // Dump values + getValues(0, strValue, parameterContext); + + // Prepend unit if any + prependUnit(strValue); +} + +// Used for simulation only +void CArrayParameter::setDefaultValues(CParameterAccessContext& parameterAccessContext) const +{ + // Get default value from type + uint32_t uiDefaultValue = static_cast<const CParameterType*>(getTypeElement())->getDefaultValue(); + + // Write blackboard + CParameterBlackboard* pBlackboard = parameterAccessContext.getParameterBlackboard(); + + // Process + uint32_t uiValueIndex; + uint32_t uiSize = getSize(); + uint32_t uiOffset = getOffset(); + bool bSubsystemIsBigEndian = parameterAccessContext.isBigEndianSubsystem(); + + for (uiValueIndex = 0; uiValueIndex < _uiLength; uiValueIndex++) { + + // Beware this code works on little endian architectures only! + pBlackboard->write(&uiDefaultValue, uiSize, uiOffset, bSubsystemIsBigEndian); + + uiOffset += uiSize; + } +} + +// Index from path +bool CArrayParameter::getIndex(CPathNavigator& pathNavigator, uint32_t& uiIndex, CErrorContext& errorContext) const +{ + uiIndex = (uint32_t)-1; + + string* pStrChildName = pathNavigator.next(); + + if (pStrChildName) { + + // Check index is numeric + istringstream iss(*pStrChildName); + + iss >> uiIndex; + + if (!iss) { + + errorContext.setError("Expected numerical expression as last item in " + pathNavigator.getCurrentPath()); + + return false; + } + + if (uiIndex >= _uiLength) { + ostringstream oss; + + oss << "Provided index out of range (max is " << _uiLength - 1 << ")"; + + errorContext.setError(oss.str()); + + return false; + } + + // Check no other item provided in path + pStrChildName = pathNavigator.next(); + + if (pStrChildName) { + + // Should be leaf element + errorContext.setError("Path not found: " + pathNavigator.getCurrentPath()); + + return false; + } + } + + return true; +} + +// Common set value processing +bool CArrayParameter::setValues(uint32_t uiStartIndex, uint32_t uiBaseOffset, const string& strValue, CParameterAccessContext& parameterContext) const +{ + // Deal with value(s) + Tokenizer tok(strValue); + + vector<string> astrValues = tok.split(); + uint32_t uiNbValues = astrValues.size(); + + // Check number of provided values + if (uiNbValues + uiStartIndex > _uiLength) { + + // Out of bounds + parameterContext.setError("Too many values provided"); + + return false; + } + + // Process + uint32_t uiValueIndex; + uint32_t uiSize = getSize(); + uint32_t uiOffset = getOffset() + uiStartIndex * uiSize - uiBaseOffset; + + for (uiValueIndex = 0; uiValueIndex < uiNbValues; uiValueIndex++) { + + if (!doSetValue(astrValues[uiValueIndex], uiOffset, parameterContext)) { + + // Append parameter path to error + parameterContext.appendToError(" " + getPath() + "/" + getIndexAsString(uiValueIndex + uiStartIndex)); + + return false; + } + + uiOffset += uiSize; + } + return true; +} + +// Common get value processing +void CArrayParameter::getValues(uint32_t uiBaseOffset, string& strValues, CParameterAccessContext& parameterContext) const +{ + uint32_t uiValueIndex; + uint32_t uiSize = getSize(); + uint32_t uiOffset = getOffset() - uiBaseOffset; + + for (uiValueIndex = 0; uiValueIndex < _uiLength; uiValueIndex++) { + string strReadValue; + + doGetValue(strReadValue, uiOffset, parameterContext); + + strValues += strReadValue + " "; + + uiOffset += uiSize; + } +} + +string CArrayParameter::getIndexAsString(uint32_t uiIndex) +{ + ostringstream strStream; + + strStream << uiIndex; + + return strStream.str(); +} |