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rewrote value node to support half-sided intervals (meaning infinity or -infinity for the missing half)

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This commit is contained in:
Marc Zinnschlag 2013-09-05 15:22:14 +02:00
parent 9332684335
commit f3ce9c22a1
3 changed files with 53 additions and 18 deletions
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12
apps/opencs/model/filter/parser.cpp
View file

@ -437,22 +437,22 @@ boost::shared_ptr<CSMFilter::Node> CSMFilter::Parser::parseValue()
// parse value
double lower = 0;
double upper = 0;
bool min = false;
bool max = false;
ValueNode::Type lowerType = ValueNode::Type_Open;
ValueNode::Type upperType = ValueNode::Type_Open;
token = getNextToken();
if (token.mType==Token::Type_Number)
{
// single value
min = max = true;
lower = upper = token.mNumber;
lowerType = upperType = ValueNode::Type_Closed;
}
else
{
// interval
if (token.mType==Token::Type_OpenSquare)
min = true;
lowerType = ValueNode::Type_Closed;
else if (token.mType!=Token::Type_CloseSquare && token.mType!=Token::Type_Open)
{
error();
@ -490,7 +490,7 @@ boost::shared_ptr<CSMFilter::Node> CSMFilter::Parser::parseValue()
token = getNextToken();
if (token.mType==Token::Type_CloseSquare)
max = true;
upperType = ValueNode::Type_Closed;
else if (token.mType!=Token::Type_OpenSquare && token.mType!=Token::Type_Close)
{
error();
@ -506,7 +506,7 @@ boost::shared_ptr<CSMFilter::Node> CSMFilter::Parser::parseValue()
return boost::shared_ptr<Node>();
}
return boost::shared_ptr<Node> (new ValueNode (columnId, lower, upper, min, max));
return boost::shared_ptr<Node> (new ValueNode (columnId, lowerType, upperType, lower, upper));
}
void CSMFilter::Parser::error()

44
apps/opencs/model/filter/valuenode.cpp
View file

@ -7,10 +7,9 @@
#include "../world/columns.hpp"
#include "../world/idtable.hpp"
CSMFilter::ValueNode::ValueNode (int columnId,
double lower, double upper, bool min, bool max)
: mColumnId (columnId), mLower (lower), mUpper (upper), mMin (min), mMax (max)
{}
CSMFilter::ValueNode::ValueNode (int columnId, Type lowerType, Type upperType,
double lower, double upper)
: mColumnId (columnId), mLowerType (lowerType), mUpperType (upperType), mLower (lower), mUpper (upper){}
bool CSMFilter::ValueNode::test (const CSMWorld::IdTable& table, int row,
const std::map<int, int>& columns) const
@ -33,10 +32,21 @@ bool CSMFilter::ValueNode::test (const CSMWorld::IdTable& table, int row,
double value = data.toDouble();
if (mLower==mUpper && mMin && mMax)
return value==mLower;
switch (mLowerType)
{
case Type_Closed: if (value<mLower) return false; break;
case Type_Open: if (value<=mLower) return false; break;
case Type_Infinite: break;
}
return (mMin ? value>=mLower : value>mLower) && (mMax ? value<=mUpper : value<mUpper);
switch (mUpperType)
{
case Type_Closed: if (value>mUpper) return false; break;
case Type_Open: if (value>=mUpper) return false; break;
case Type_Infinite: break;
}
return true;
}
std::vector<int> CSMFilter::ValueNode::getReferencedColumns() const
@ -60,10 +70,26 @@ std::string CSMFilter::ValueNode::toString (bool numericColumns) const
stream << ", \"";
if (mLower==mUpper && mMin && mMax)
if (mLower==mUpper && mLowerType!=Type_Infinite && mUpperType!=Type_Infinite)
stream << mLower;
else
stream << (mMin ? "[" : "(") << mLower << ", " << mUpper << (mMax ? "]" : ")");
{
switch (mLowerType)
{
case Type_Closed: stream << "[" << mLower; break;
case Type_Open: stream << "(" << mLower; break;
case Type_Infinite: stream << "("; break;
}
stream << ", ";
switch (mUpperType)
{
case Type_Closed: stream << mUpper << "]"; break;
case Type_Open: stream << mUpper << ")"; break;
case Type_Infinite: stream << ")"; break;
}
}
stream << ")";

15
apps/opencs/model/filter/valuenode.hpp
View file

@ -7,16 +7,25 @@ namespace CSMFilter
{
class ValueNode : public LeafNode
{
public:
enum Type
{
Type_Closed, Type_Open, Type_Infinite
};
private:
int mColumnId;
std::string mText;
double mLower;
double mUpper;
bool mMin;
bool mMax;
Type mLowerType;
Type mUpperType;
public:
ValueNode (int columnId, double lower, double upper, bool min, bool max);
ValueNode (int columnId, Type lowerType, Type upperType, double lower, double upper);
virtual bool test (const CSMWorld::IdTable& table, int row,
const std::map<int, int>& columns) const;