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C++ ITypeInfo::getSize方法代码示例

本文整理汇总了C++中ITypeInfo::getSize方法的典型用法代码示例。如果您正苦于以下问题:C++ ITypeInfo::getSize方法的具体用法?C++ ITypeInfo::getSize怎么用?C++ ITypeInfo::getSize使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在ITypeInfo的用法示例。


在下文中一共展示了ITypeInfo::getSize方法的3个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: addSimpleField

void DataSourceMetaData::addSimpleField(const char * name, const char * xpath, ITypeInfo * type, unsigned flag)
{
    ITypeInfo * promoted = type->queryPromotedType();
    unsigned size = promoted->getSize();
    unsigned thisBits = 0;
    if (size == UNKNOWN_LENGTH)
    {
        isStoredFixedWidth = false;
        switch (type->getTypeCode())
        {
        case type_set:
            minRecordSize += sizeof(bool) + sizeof(size32_t);
            break;
        case type_varstring:
            minRecordSize += 1;
            break;
        case type_packedint:
            minRecordSize += 1;
            break;
        case type_varunicode:
            minRecordSize += sizeof(UChar);
            break;
        default:
            minRecordSize += sizeof(size32_t);
            break;
        }
    }
    else if (type->getTypeCode() == type_bitfield)
    {
        thisBits = type->getBitSize();
        if (thisBits > bitsRemaining)
        {
            size = type->queryChildType()->getSize();
            minRecordSize += size;
            bitsRemaining = size * 8;
        }
        bitsRemaining -= thisBits;
    }
    else
        minRecordSize += size;
    if (thisBits == 0)
        bitsRemaining = 0;
    fields.append(*new DataSourceMetaItem(flag, name, xpath, type));
}
开发者ID:AttilaVamos,项目名称:HPCC-Platform,代码行数:44,代码来源:fvsource.cpp

示例2: addSimpleField

void DataSourceMetaData::addSimpleField(const char * name, const char * xpath, ITypeInfo * type)
{
    ITypeInfo * promoted = type->queryPromotedType();
    unsigned size = promoted->getSize();
    unsigned thisBits = 0;
    if (size == UNKNOWN_LENGTH)
        isStoredFixedWidth = false;
    else if (type->getTypeCode() == type_bitfield)
    {
        thisBits = type->getBitSize();
        if (thisBits > bitsRemaining)
        {
            size = type->queryChildType()->getSize();
            storedFixedSize += size;
            bitsRemaining = size * 8;
        }
        bitsRemaining -= thisBits;
    }
    else
        storedFixedSize += size;
    if (thisBits == 0)
        bitsRemaining = 0;
    fields.append(*new DataSourceMetaItem(FVFFnone, name, xpath, type));
}
开发者ID:Goon83,项目名称:HPCC-Platform,代码行数:24,代码来源:fvsource.cpp

示例3: setColumn

void CChildSetColumnInfo::setColumn(HqlCppTranslator & translator, BuildCtx & ctx, IReferenceSelector * selector, IHqlExpression * _value)
{
    OwnedHqlExpr address = getColumnAddress(translator, ctx, selector, boolType, 0);
    OwnedHqlExpr addressSize = getColumnAddress(translator, ctx, selector, sizetType, sizeof(bool));
    OwnedHqlExpr addressData = getColumnAddress(translator, ctx, selector, queryType(), sizeof(bool)+sizeof(size32_t));

    OwnedHqlExpr isAllTarget = convertAddressToValue(address, boolType);
    OwnedHqlExpr lengthTarget = convertAddressToValue(addressSize, sizetType);

    ITypeInfo * columnType = column->queryType();
    ITypeInfo * elementType = columnType->queryChildType();
    OwnedHqlExpr value = ensureExprType(_value, columnType);

    OwnedHqlExpr inlineSize;
    switch (value->getOperator())
    {
    case no_list:
        if ((value->numChildren() != 0) && ::isFixedSize(elementType))
            inlineSize.setown(getSizetConstant(value->numChildren() * elementType->getSize())); 
        break;
    }

    if (inlineSize)
    {
        checkAssignOk(translator, ctx, selector, inlineSize, sizeof(size32_t)+sizeof(bool));

        Owned<IHqlCppSetBuilder> builder = translator.createInlineSetBuilder(elementType, isAllTarget, inlineSize, addressData);
        builder->buildDeclare(ctx);

        translator.buildSetAssign(ctx, builder, value);

        CHqlBoundTarget boundTarget;
        boundTarget.length.set(lengthTarget);
        builder->buildFinish(ctx, boundTarget);
    }
    else
    {
        CHqlBoundExpr bound;
        if ((value->getOperator() == no_list) && value->numChildren())
        {
            CHqlBoundTarget tempTarget;
            translator.createTempFor(ctx, columnType, tempTarget, typemod_none, FormatNatural);
            translator.buildExprAssign(ctx, tempTarget, value);
            bound.setFromTarget(tempTarget);
        }
        else
            translator.buildExpr(ctx, value, bound);
        ensureSimpleLength(translator, ctx, bound);

        OwnedHqlExpr isAll = bound.getIsAll();
        OwnedHqlExpr length = translator.getBoundLength(bound);
        OwnedHqlExpr size = createValue(no_translated, LINK(sizetType), translator.getBoundSize(bound));
        checkAssignOk(translator, ctx, selector, size, sizeof(size32_t)+sizeof(bool));

        translator.assignBoundToTemp(ctx, isAllTarget, isAll);
        translator.assignBoundToTemp(ctx, lengthTarget, length);
        translator.buildBlockCopy(ctx, addressData, bound);

        ensureSimpleLength(translator, ctx, bound);
        OwnedHqlExpr boundSize = translator.getBoundSize(bound);
        associateSizeOf(ctx, selector, boundSize, sizeof(size32_t)+sizeof(bool));
    }
}
开发者ID:AlexLuya,项目名称:HPCC-Platform,代码行数:63,代码来源:hqltcppc2.cpp


注:本文中的ITypeInfo::getSize方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。