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added missing conversions from expression tree nodes to string.

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git-svn-id: http://svn.osgeo.org/qgis/trunk@13950 c8812cc2-4d05-0410-92ff-de0c093fc19c
This commit is contained in:
wonder 2010-07-21 10:10:43 +00:00
parent ecf895bc37
commit 5578096443
1 changed files with 46 additions and 9 deletions
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55
src/core/qgssearchtreenode.cpp
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@ -190,9 +190,48 @@ QString QgsSearchTreeNode::makeSearchString()
QString str;
if ( mType == tOperator )
{
str += "(";
if ( mOp != opNOT )
if ( mOp == opSQRT || mOp == opSIN || mOp == opCOS || mOp == opTAN ||
mOp == opASIN || mOp == opACOS || mOp == opATAN ||
mOp == opTOINT || mOp == opTOREAL || mOp == opTOSTRING )
{
// functions
switch ( mOp )
{
case opSQRT: str += "sqrt"; break;
case opSIN: str += "sin"; break;
case opCOS: str += "cos"; break;
case opTAN: str += "tan"; break;
case opASIN: str += "asin"; break;
case opACOS: str += "acos"; break;
case opATAN: str += "atan"; break;
case opTOINT: str += "to int"; break;
case opTOREAL: str += "to real"; break;
case opTOSTRING: str += "to string"; break;
default: str += "?";
}
// currently all functions take one parameter
str += QString( "(%1)" ).arg( mLeft->makeSearchString() );
}
else if ( mOp == opLENGTH || mOp == opAREA || mOp == opROWNUM )
{
// special nullary opeators
switch ( mOp )
{
case opLENGTH: str += "$length"; break;
case opAREA: str += "$area"; break;
case opROWNUM: str += "$rownum"; break;
default: str += "?";
}
}
else if ( mOp == opNOT )
{
// unary NOT operator
str += "(NOT " + mLeft->makeSearchString() + ")";
}
else
{
// the rest of operator using infix notation
str += "(";
if ( mLeft )
{
str += mLeft->makeSearchString();
@ -206,6 +245,7 @@ QString QgsSearchTreeNode::makeSearchString()
case opMINUS: str += "-"; break;
case opMUL: str += "*"; break;
case opDIV: str += "/"; break;
case opPOW: str += "^"; break;
case opEQ: str += " = "; break;
case opNE: str += " != "; break;
@ -214,10 +254,12 @@ QString QgsSearchTreeNode::makeSearchString()
case opGE: str += " >= "; break;
case opLE: str += " <= "; break;
case opISNULL: str += " IS NULL"; break;
case opISNOTNULL: str += " IS NOT NULL"; break;
case opRegexp: str += " ~ "; break;
case opLike: str += " LIKE "; break;
// TODO: other opeators / functions
case opCONCAT: str += " || "; break;
default: str += " ? ";
@ -227,13 +269,8 @@ QString QgsSearchTreeNode::makeSearchString()
{
str += mRight->makeSearchString();
}
str += ")";
}
else
{
str += "NOT ";
str += mLeft->makeSearchString();
}
str += ")";
}
else if ( mType == tNumber )
{