-// $Id: CQLAndNode.java,v 1.5 2002-11-06 00:05:58 mike Exp $
+// $Id: CQLAndNode.java,v 1.6 2002-12-05 17:14:52 mike Exp $
package org.z3950.zing.cql;
/**
* Represents an AND node in a CQL parse-tree.
*
- * @version $Id: CQLAndNode.java,v 1.5 2002-11-06 00:05:58 mike Exp $
+ * @version $Id: CQLAndNode.java,v 1.6 2002-12-05 17:14:52 mike Exp $
*/
public class CQLAndNode extends CQLBooleanNode {
/**
String op() {
return "and";
}
+
+ // ### Too much code duplication here with OR and NOT
+ byte[] opType1() {
+ byte[] op = new byte[5];
+ putTag(CONTEXT, 46, CONSTRUCTED, op, 0); // Operator
+ putLen(2, op, 2);
+ putTag(CONTEXT, 0, PRIMITIVE, op, 3); // and
+ putLen(0, op, 4);
+ return op;
+ }
}
-// $Id: CQLBooleanNode.java,v 1.11 2002-11-20 17:56:22 mike Exp $
+// $Id: CQLBooleanNode.java,v 1.12 2002-12-05 17:14:52 mike Exp $
package org.z3950.zing.cql;
import java.util.Properties;
/**
* Represents a boolean node in a CQL parse-tree.
*
- * @version $Id: CQLBooleanNode.java,v 1.11 2002-11-20 17:56:22 mike Exp $
+ * @version $Id: CQLBooleanNode.java,v 1.12 2002-12-05 17:14:52 mike Exp $
*/
public abstract class CQLBooleanNode extends CQLNode {
CQLBooleanNode() {} // prevent javadoc from documenting this
String opPQF() { return op(); }
abstract String op();
+
+ public byte[] toType1(Properties config) throws PQFTranslationException {
+ System.out.println("in CQLBooleanNode.toType101(): PQF=" +
+ toPQF(config));
+ byte[] rpn1 = left.toType1(config);
+ byte[] rpn2 = right.toType1(config);
+ byte[] op = opType1();
+ byte[] rpnStructure = new byte[rpn1.length+rpn2.length+op.length+4];
+
+ // rpnRpnOp
+ int offset = putTag(CONTEXT, 1, CONSTRUCTED, rpnStructure, 0);
+
+ rpnStructure[offset++] = (byte)(0x80&0xff); // indefinite length
+ System.arraycopy(rpn1, 0, rpnStructure, offset, rpn1.length);
+ offset += rpn1.length;
+ System.arraycopy(rpn2, 0, rpnStructure, offset, rpn2.length);
+ offset += rpn2.length;
+ System.arraycopy(op, 0, rpnStructure, offset, op.length);
+ offset += op.length;
+ rpnStructure[offset++] = 0x00; // end rpnRpnOp
+ rpnStructure[offset++] = 0x00;
+ return rpnStructure;
+ }
+
+ abstract byte[] opType1();
}
-// $Id: CQLNotNode.java,v 1.5 2002-11-06 00:05:58 mike Exp $
+// $Id: CQLNotNode.java,v 1.6 2002-12-05 17:14:52 mike Exp $
package org.z3950.zing.cql;
/**
* Represents a NOT node in a CQL parse-tree.
*
- * @version $Id: CQLNotNode.java,v 1.5 2002-11-06 00:05:58 mike Exp $
+ * @version $Id: CQLNotNode.java,v 1.6 2002-12-05 17:14:52 mike Exp $
*/
public class CQLNotNode extends CQLBooleanNode {
/**
String op() {
return "not";
}
+
+ byte[] opType1() {
+ byte[] op = new byte[5];
+ putTag(CONTEXT, 46, CONSTRUCTED, op, 0); // Operator
+ putLen(2, op, 2);
+ putTag(CONTEXT, 2, PRIMITIVE, op, 3); // and-not
+ putLen(0, op, 4);
+ return op;
+ }
}
-// $Id: CQLOrNode.java,v 1.5 2002-11-06 00:05:58 mike Exp $
+// $Id: CQLOrNode.java,v 1.6 2002-12-05 17:14:52 mike Exp $
package org.z3950.zing.cql;
/**
* Represents an OR node in a CQL parse-tree.
*
- * @version $Id: CQLOrNode.java,v 1.5 2002-11-06 00:05:58 mike Exp $
+ * @version $Id: CQLOrNode.java,v 1.6 2002-12-05 17:14:52 mike Exp $
*/
public class CQLOrNode extends CQLBooleanNode {
/**
String op() {
return "or";
}
+
+ byte[] opType1() {
+ byte[] op = new byte[5];
+ putTag(CONTEXT, 46, CONSTRUCTED, op, 0); // Operator
+ putLen(2, op, 2);
+ putTag(CONTEXT, 1, PRIMITIVE, op, 3); // or
+ putLen(0, op, 4);
+ return op;
+ }
}
-// $Id: CQLPrefixNode.java,v 1.3 2002-11-20 01:15:15 mike Exp $
+// $Id: CQLPrefixNode.java,v 1.4 2002-12-05 17:14:52 mike Exp $
package org.z3950.zing.cql;
import java.lang.String;
/**
* Represents a prefix node in a CQL parse-tree.
*
- * @version $Id: CQLPrefixNode.java,v 1.3 2002-11-20 01:15:15 mike Exp $
+ * @version $Id: CQLPrefixNode.java,v 1.4 2002-12-05 17:14:52 mike Exp $
*/
public class CQLPrefixNode extends CQLNode {
/**
// `config'.
return subtree.toPQF(config);
}
+
+ public byte[] toType1(Properties config) throws PQFTranslationException {
+ // See comment on toPQF()
+ return subtree.toType1(config);
+ }
}
-// $Id: CQLProxNode.java,v 1.6 2002-11-20 17:56:22 mike Exp $
+// $Id: CQLProxNode.java,v 1.7 2002-12-05 17:14:52 mike Exp $
package org.z3950.zing.cql;
import java.util.Vector;
* candidate records which are sufficiently close to each other, as
* specified by a set of proximity parameters.
*
- * @version $Id: CQLProxNode.java,v 1.6 2002-11-20 17:56:22 mike Exp $
+ * @version $Id: CQLProxNode.java,v 1.7 2002-12-05 17:14:52 mike Exp $
*/
public class CQLProxNode extends CQLBooleanNode {
ModifierSet ms;
* unit-code ::= integer.
*/
String opPQF() {
+ int relCode = getRelCode();
+ int unitCode = getProxUnitCode();
+
+ String res = "prox " +
+ "0 " +
+ ms.modifier("distance") + " " +
+ (ms.modifier("ordering").equals("ordered") ? 1 : 0) + " " +
+ relCode + " " +
+ "1 " +
+ unitCode;
+
+ return res;
+ }
+
+ private int getRelCode() {
String rel = ms.modifier("relation");
- int relCode = 0;
if (rel.equals("<")) {
- relCode = 1;
+ return 1;
} else if (rel.equals("<=")) {
- relCode = 2;
+ return 2;
} else if (rel.equals("=")) {
- relCode = 3;
+ return 3;
} else if (rel.equals(">=")) {
- relCode = 4;
+ return 4;
} else if (rel.equals(">")) {
- relCode = 5;
+ return 5;
} else if (rel.equals("<>")) {
- relCode = 6;
+ return 6;
}
+ return 0;
+ }
+ private int getProxUnitCode() {
String unit = ms.modifier("unit");
- int unitCode = 0;
if (unit.equals("word")) {
- unitCode = 2;
+ return 2;
} else if (unit.equals("sentence")) {
- unitCode = 3;
+ return 3;
} else if (unit.equals("paragraph")) {
- unitCode = 4;
+ return 4;
} else if (unit.equals("element")) {
- unitCode = 8;
+ return 8;
}
+ return 0;
+ }
- String res = "prox " +
- "0 " +
- ms.modifier("distance") + " " +
- (ms.modifier("ordering").equals("ordered") ? 1 : 0) + " " +
- relCode + " " +
- "1 " +
- unitCode;
-
- return res;
+
+ byte[] opType1() {
+ byte[] op = new byte[100];
+ int offset, value;
+ offset = putTag(CONTEXT, 46, CONSTRUCTED, op, 0); // Operator
+ op[offset++] = (byte)(0x80&0xff); // indefinite length
+
+ offset = putTag(CONTEXT, 3, CONSTRUCTED, op, offset); // prox
+ op[offset++] = (byte)(0x80&0xff); // indefinite length
+
+ offset = putTag(CONTEXT, 1, PRIMITIVE, op, offset); // exclusion
+ value = 0; // false
+ offset = putLen(numLen(value), op, offset);
+ offset = putNum(value, op, offset);
+
+ offset = putTag(CONTEXT, 2, PRIMITIVE, op, offset); // distance
+ value = Integer.parseInt(ms.modifier("distance"));
+ offset = putLen(numLen(value), op, offset);
+ offset = putNum(value, op, offset);
+
+ offset = putTag(CONTEXT, 3, PRIMITIVE, op, offset); // ordered
+ value = ms.modifier("ordering").equals("ordered") ? 1 : 0;
+ offset = putLen(numLen(value), op, offset);
+ offset = putNum(value, op, offset);
+
+ offset = putTag(CONTEXT, 4, PRIMITIVE, op, offset); // relationType
+ value = getRelCode();
+ offset = putLen(numLen(value), op, offset);
+ offset = putNum(value, op, offset);
+
+ offset = putTag(CONTEXT, 5, CONSTRUCTED, op, offset); // proximityUnitCode
+ op[offset++] = (byte)(0x80&0xff); // indefinite length
+ offset = putTag(CONTEXT, 1, PRIMITIVE, op, offset); // known
+ value = getProxUnitCode();
+ offset = putLen(numLen(value), op, offset);
+ offset = putNum(value, op, offset);
+ op[offset++] = 0x00; // end of proximityUnitCode
+ op[offset++] = 0x00;
+
+ op[offset++] = 0x00; // end of prox
+ op[offset++] = 0x00;
+ op[offset++] = 0x00; // end of Operator
+ op[offset++] = 0x00;
+
+ byte[] o = new byte[offset];
+ System.arraycopy(op, 0, o, 0, offset);
+ return o;
}
}
-// $Id: CQLRelation.java,v 1.7 2002-11-20 01:15:15 mike Exp $
+// $Id: CQLRelation.java,v 1.8 2002-12-05 17:14:52 mike Exp $
package org.z3950.zing.cql;
import java.util.Vector;
/**
* Represents a relation between a CQL qualifier and term.
*
- * @version $Id: CQLRelation.java,v 1.7 2002-11-20 01:15:15 mike Exp $
+ * @version $Id: CQLRelation.java,v 1.8 2002-12-05 17:14:52 mike Exp $
*/
public class CQLRelation extends CQLNode {
ModifierSet ms;
public String toPQF(Properties config) throws PQFTranslationException {
throw new Error("CQLRelation.toPQF() can never be called");
}
+
+ // ### THIS IS NOT THE REAL CODE. I'm waiting for Ralph to send it.
+ public byte[] toType1(Properties config) {
+ byte[] op = new byte[0];
+ return op;
+ }
}
-// $Id: CQLTermNode.java,v 1.11 2002-11-29 16:43:23 mike Exp $
+// $Id: CQLTermNode.java,v 1.12 2002-12-05 17:14:52 mike Exp $
package org.z3950.zing.cql;
import java.util.Properties;
* these must be provided - you can't have a qualifier without a
* relation or vice versa.
*
- * @version $Id: CQLTermNode.java,v 1.11 2002-11-29 16:43:23 mike Exp $
+ * @version $Id: CQLTermNode.java,v 1.12 2002-12-05 17:14:52 mike Exp $
*/
public class CQLTermNode extends CQLNode {
private String qualifier;
return res;
}
- public String toPQF(Properties config) throws PQFTranslationException {
+ // ### Interaction between this and its callers is not good as
+ // regards truncation of the term and generation of truncation
+ // attributes. Change the interface to fix this.
+ private Vector getAttrs(Properties config) throws PQFTranslationException {
Vector attrs = new Vector();
// Do this first so that if any other truncation or
attrs.add(attr);
}
- String pos = "any";
+ String pos = "unanchored";
String text = term;
- //System.err.println("before check: text='" + text + "'");
if (text.length() > 0 && text.substring(0, 1).equals("^")) {
- //System.err.println("first in field");
text = text.substring(1);
- pos = "first";
- }
- //System.err.println("between checks: text='" + text + "'");
- int len = text.length();
- if (len > 0 && text.substring(len-1, len).equals("^")) {
- //System.err.println("last in field");
- text = text.substring(0, len-1);
- pos = pos.equals("first") ? "firstAndLast" : "last";
- // ### in the firstAndLast case, the standard
- // pqf.properties file specifies that we generate a
- // completeness=whole-field attributem, which means that
- // we don't generate a position attribute at all. Do we
- // care? Does it matter?
+ pos = "anchored";
}
- //System.err.println("after checks: text='" + text + "'");
attr = config.getProperty("position." + pos);
if (attr == null)
throw new UnknownPositionException(pos);
attr = config.getProperty("structure.*");
attrs.add(attr);
- String s = "";
+ return attrs;
+ }
+
+ public String toPQF(Properties config) throws PQFTranslationException {
+ Vector attrs = getAttrs(config);
+
+ String attr, s = "";
for (int i = 0; i < attrs.size(); i++) {
attr = (String) attrs.get(i);
s += "@attr " + Utils.replaceString(attr, " ", " @attr ") + " ";
}
+ String text = term;
+ if (text.length() > 0 && text.substring(0, 1).equals("^"))
+ text = text.substring(1);
return s + maybeQuote(text);
}
return str;
}
+
+ /**
+ * ### Document this!
+ */
+ public byte[] toType1(Properties config) throws PQFTranslationException {
+ String text = term;
+ if (text.length() > 0 && text.substring(0, 1).equals("^"))
+ text = text.substring(1);
+ String attr, attrList, term = maybeQuote(text);
+ System.out.println("in CQLTermNode.toType101(): PQF=" + toPQF(config));
+ byte[] operand = new byte[text.length()+100];
+ int i, j, offset, type, value;
+ offset = putTag(CONTEXT, 0, CONSTRUCTED, operand, 0); // op
+ operand[offset++]=(byte)(0x80&0xff); // indefinite length
+ offset = putTag(CONTEXT, 102, CONSTRUCTED, operand, offset); // AttributesPlusTerm
+ operand[offset++] = (byte)(0x80&0xff); // indefinite length
+ offset = putTag(CONTEXT, 44, CONSTRUCTED, operand, offset); // AttributeList
+ operand[offset++] = (byte)(0x80&0xff); // indefinite length
+ offset = putTag(UNIVERSAL, SEQUENCE, CONSTRUCTED, operand, offset);
+ operand[offset++] = (byte)(0x80&0xff);
+
+ Vector attrs = getAttrs(config);
+ for(i = 0; i < attrs.size(); i++) {
+ attrList = (String) attrs.get(i);
+ java.util.StringTokenizer st =
+ new java.util.StringTokenizer(attrList);
+ while (st.hasMoreTokens()) {
+ attr = st.nextToken();
+ j = attr.indexOf('=');
+ offset = putTag(CONTEXT, 120, PRIMITIVE, operand, offset);
+ type = Integer.parseInt(attr.substring(0, j));
+ offset = putLen(numLen(type), operand, offset);
+ offset = putNum(type, operand, offset);
+
+ offset = putTag(CONTEXT, 121, PRIMITIVE, operand, offset);
+ value = Integer.parseInt(attr.substring(j+1));
+ offset = putLen(numLen(value), operand, offset);
+ offset = putNum(value, operand, offset);
+ }
+ }
+ operand[offset++] = 0x00; // end of SEQUENCE
+ operand[offset++] = 0x00;
+ operand[offset++] = 0x00; // end of AttributeList
+ operand[offset++] = 0x00;
+
+ offset = putTag(CONTEXT, 45, PRIMITIVE, operand, offset); // general Term
+ byte[] t = term.getBytes();
+ offset = putLen(t.length, operand, offset);
+ System.arraycopy(t, 0, operand, offset, t.length);
+ offset += t.length;
+
+ operand[offset++] = 0x00; // end of AttributesPlusTerm
+ operand[offset++] = 0x00;
+ operand[offset++] = 0x00; // end of Operand
+ operand[offset++] = 0x00;
+ byte[] o = new byte[offset];
+ System.arraycopy(operand, 0, o, 0, offset);
+ return o;
+ }
}
projects / cql-java-moved-to-github.git / commitdiff