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formatTable, formatVector

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This commit is contained in:
Matej Sekoranja
2012-10-12 21:22:47 +02:00
parent 1346d882a1
commit ea7a039d4a
1 changed files with 106 additions and 42 deletions
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148
testApp/remote/eget.cpp
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@@ -29,6 +29,8 @@ using namespace epics::pvAccess;
enum PrintMode { ValueOnlyMode, StructureMode, TerseMode };
PrintMode mode = ValueOnlyMode;
char fieldSeparator = ' ';
void formatNTAny(std::ostream& o, PVStructurePtr const & pvStruct)
{
@@ -54,20 +56,60 @@ void formatNTScalar(std::ostream& o, PVStructurePtr const & pvStruct)
o << *value;
}
std::ostream& formatVector(std::ostream& o,
String label,
PVScalarArrayPtr const & pvScalarArray,
bool transpose)
{
size_t len = pvScalarArray->getLength();
if (!transpose)
{
if (!label.empty())
o << label << std::endl;
for (size_t i = 0; i < len; i++)
pvScalarArray->dumpValue(o, i) << std::endl;
}
else
{
bool first = true;
if (!label.empty())
{
o << label;
first = false;
}
for (size_t i = 0; i < len; i++) {
if (first)
first = false;
else
o << fieldSeparator;
pvScalarArray->dumpValue(o, i);
}
}
return o;
}
/*
std::ostream& formatScalarArray(std::ostream& o, PVScalarArrayPtr const & pvScalarArray)
{
size_t len = pvScalarArray->getLength();
if (len == 0)
{
// TODO do we really want this
o << "(empty)" << std::endl;
}
else
{
for (size_t i = 0; i < len; i++)
(pvScalarArray.get())->dumpValue(o, i) << std::endl;
pvScalarArray->dumpValue(o, i) << std::endl;
}
return o;
}
*/
void formatNTScalarArray(std::ostream& o, PVStructurePtr const & pvStruct)
{
@@ -79,10 +121,11 @@ void formatNTScalarArray(std::ostream& o, PVStructurePtr const & pvStruct)
}
//o << *value;
formatScalarArray(o, value);
//formatScalarArray(o, value);
formatVector(o, "", value, mode == TerseMode);
}
size_t getLongestString(PVScalarArrayPtr array)
size_t getLongestString(PVScalarArrayPtr const & array)
{
size_t max = 0;
@@ -100,53 +143,34 @@ size_t getLongestString(PVScalarArrayPtr array)
return max;
}
void formatNTTable(std::ostream& o, PVStructurePtr const & pvStruct)
// labels are optional
// if provided labels.size() must equals columnData.size()
void formatTable(std::ostream& o,
PVStringArrayPtr const & labels,
vector<PVScalarArrayPtr> const & columnData,
bool transpose)
{
PVStringArrayPtr labels = dynamic_pointer_cast<PVStringArray>(pvStruct->getScalarArrayField("labels", pvString));
if (labels.get() == 0)
{
std::cerr << "no string[] 'labels' column in NTTable" << std::endl;
return;
}
PVStructurePtr value = pvStruct->getStructureField("value");
if (value.get() == 0)
{
std::cerr << "no 'value' structure in NTTable" << std::endl;
return;
}
// next numColumns fields are columns
// array with maximum number of elements
size_t maxValues = 0;
vector<PVScalarArrayPtr> columnData;
PVFieldPtrArray fields = value->getPVFields();
size_t numColumns = fields.size();
if (labels->getLength() != numColumns)
{
std::cerr << "malformed NTTable, length of 'labels' array does not equal to a number of 'value' structure subfields" << std::endl;
return;
}
size_t maxColumnLength = getLongestString(labels);
// value with longest string form
size_t maxColumnLength = labels.get() ? getLongestString(labels) : 0;
//
// get maxValue and maxColumnLength
//
size_t numColumns = columnData.size();
for (size_t i = 0; i < numColumns; i++)
{
PVScalarArrayPtr array = dynamic_pointer_cast<PVScalarArray>(fields[i]);
if (array.get() == 0)
{
std::cerr << "malformed NTTable, " << (i+1) << ". field is not scalar_t[]" << std::endl;
return;
}
PVScalarArrayPtr array = columnData[i];
size_t arrayLength = array->getLength();
if (maxValues < arrayLength) maxValues = arrayLength;
columnData.push_back(array);
size_t colLen = getLongestString(array);
if (colLen > maxColumnLength) maxColumnLength = colLen;
}
// add some space
size_t padding = 2;
maxColumnLength += padding;
@@ -155,8 +179,7 @@ void formatNTTable(std::ostream& o, PVStructurePtr const & pvStruct)
StringArrayData labelsData;
labels->get(0, numColumns, labelsData);
// TerseMode as Transpose
if (mode != TerseMode)
if (!transpose)
{
//
@@ -210,6 +233,47 @@ void formatNTTable(std::ostream& o, PVStructurePtr const & pvStruct)
}
}
}
void formatNTTable(std::ostream& o, PVStructurePtr const & pvStruct)
{
PVStringArrayPtr labels = dynamic_pointer_cast<PVStringArray>(pvStruct->getScalarArrayField("labels", pvString));
if (labels.get() == 0)
{
std::cerr << "no string[] 'labels' column in NTTable" << std::endl;
return;
}
PVStructurePtr value = pvStruct->getStructureField("value");
if (value.get() == 0)
{
std::cerr << "no 'value' structure in NTTable" << std::endl;
return;
}
vector<PVScalarArrayPtr> columnData;
PVFieldPtrArray fields = value->getPVFields();
size_t numColumns = fields.size();
if (labels->getLength() != numColumns)
{
std::cerr << "malformed NTTable, length of 'labels' array does not equal to a number of 'value' structure subfields" << std::endl;
return;
}
for (size_t i = 0; i < numColumns; i++)
{
PVScalarArrayPtr array = dynamic_pointer_cast<PVScalarArray>(fields[i]);
if (array.get() == 0)
{
std::cerr << "malformed NTTable, " << (i+1) << ". field is not scalar_t[]" << std::endl;
return;
}
columnData.push_back(array);
}
formatTable(o, labels, columnData, mode == TerseMode);
}
@@ -380,7 +444,6 @@ void formatNT(std::ostream& o, PVFieldPtr const & pv)
double timeOut = DEFAULT_TIMEOUT;
string request(DEFAULT_REQUEST);
char fieldSeparator = ' ';
void usage (void)
{
@@ -495,7 +558,8 @@ class ChannelGetRequesterImpl : public ChannelGetRequester
std::cout << *(value.get()) << std::endl;
else if (valueType == scalarArray)
{
formatScalarArray(std::cout, dynamic_pointer_cast<PVScalarArray>(value));
//formatScalarArray(std::cout, dynamic_pointer_cast<PVScalarArray>(value));
formatVector(std::cout, "", dynamic_pointer_cast<PVScalarArray>(value), false);
}
else
{
@@ -544,7 +608,7 @@ PVFieldPtr pvField = m_pvStructure->getSubField("value");
size_t len = pvScalarArray->getLength();
for (size_t i = 0; i < len; i++)
{
(pvScalarArray.get())->dumpValue(std::cout, i) << std::endl;
pvScalarArray->dumpValue(std::cout, i) << std::endl;
}
}
else