fanruan
/
JsonPath
mirror of https://github.com/json-path/JsonPath.git
2
0
Fork 0
Code Issues Releases Wiki Activity
Browse Source

Removed pipes around custom operators.

pull/183/merge
Kalle Stenflo 9 years ago
parent
fede7ac495
commit
efcd01ddae
5 changed files with 57 additions and 61 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 56
      json-path/src/main/java/com/jayway/jsonpath/internal/filter/FilterCompiler.java
  2. 1
      json-path/src/main/java/com/jayway/jsonpath/internal/filter/LogicalExpressionNode.java
  3. 24
      json-path/src/main/java/com/jayway/jsonpath/internal/filter/RelationalOperator.java
  4. 13
      json-path/src/test/java/com/jayway/jsonpath/FilterCompilerTest.java
  5. 20
      json-path/src/test/java/com/jayway/jsonpath/FilterParseTest.java

56
json-path/src/main/java/com/jayway/jsonpath/internal/filter/FilterCompiler.java
Unescape View File

@ -20,7 +20,6 @@ public class FilterCompiler {
private static final char MINUS = '-';
private static final char TICK = '\'';
private static final char FUNCTION = '%';
private static final char OPERATOR_PIPE = '¦';
private static final char LT = '<';
private static final char GT = '>';
private static final char EQ = '=';
@ -134,17 +133,18 @@ public class FilterCompiler {
private RelationalExpressionNode readExpression() {
ValueNode left = readValueNode();
if (left.isPathNode()) {
final PathNode pathNode = left.asPathNode();
if (pathNode.isExistsCheck()) {
return new RelationalExpressionNode(pathNode, RelationalOperator.EXISTS, pathNode.shouldExists() ? ValueNode.TRUE : ValueNode.FALSE);
}
}
if(expressionIsTerminated()) {
PathNode pathNode = left.asPathNode();
left = pathNode.asExistsCheck(pathNode.shouldExists());
RelationalOperator operator = RelationalOperator.EXISTS;
ValueNode right = left.asPathNode().shouldExists() ? ValueNode.TRUE : ValueNode.FALSE;
return new RelationalExpressionNode(left, operator, right);
} else {
RelationalOperator operator = readRelationalOperator();
ValueNode right = readValueNode();
return new RelationalExpressionNode(left, operator, right);
}
}
private LogicalOperator readLogicalOperator(){
int begin = filter.skipBlanks().position();
@ -166,18 +166,16 @@ public class FilterCompiler {
private RelationalOperator readRelationalOperator() {
int begin = filter.skipBlanks().position();
if (filter.currentChar() == OPERATOR_PIPE) {
int closingOperatorIndex = filter.nextIndexOf(OPERATOR_PIPE);
if (closingOperatorIndex == -1) {
throw new InvalidPathException("Operator not closed. Expected " + OPERATOR_PIPE + " in " + filter);
} else {
filter.setPosition(closingOperatorIndex + 1);
if(isRelationalOperatorChar(filter.currentChar())){
while (filter.inBounds() && isRelationalOperatorChar(filter.currentChar())) {
filter.incrementPosition(1);
}
} else {
while (filter.inBounds() && isRelationalOperatorChar(filter.currentChar())) {
while (filter.inBounds() && filter.currentChar() != SPACE) {
filter.incrementPosition(1);
}
}
CharSequence operator = filter.subSequence(begin, filter.position());
logger.trace("Operator from {} to {} -> [{}]", begin, filter.position()-1, operator);
return RelationalOperator.fromString(operator.toString());
@ -277,7 +275,6 @@ public class FilterCompiler {
private PathNode readPath() {
char previousSignificantChar = filter.previousSignificantChar();
boolean operatorOnLeft = isRelationalOperatorChar(previousSignificantChar) && previousSignificantChar != BANG;
int begin = filter.position();
filter.incrementPosition(1); //skip $ and @
@ -297,14 +294,22 @@ public class FilterCompiler {
filter.incrementPosition(1);
}
}
boolean operatorOnRight = isRelationalOperatorChar(filter.currentChar()) || isRelationalOperatorChar(filter.nextSignificantChar());
boolean existsCheck = !operatorOnLeft && !operatorOnRight;
boolean shouldExists = true;
if(existsCheck){
shouldExists = !(previousSignificantChar == BANG);
}
boolean shouldExists = !(previousSignificantChar == BANG);
CharSequence path = filter.subSequence(begin, filter.position());
return new PathNode(path, existsCheck, shouldExists);
return new PathNode(path, false, shouldExists);
}
private boolean expressionIsTerminated(){
char c = filter.currentChar();
if(c == CLOSE_BRACKET || isLogicalOperatorChar(c)){
return true;
}
c = filter.nextSignificantChar();
if(c == CLOSE_BRACKET || isLogicalOperatorChar(c)){
return true;
}
return false;
}
private boolean currentCharIsClosingFunctionBracket(int lowerBound){
@ -325,7 +330,10 @@ public class FilterCompiler {
return false;
}
private boolean isLogicalOperatorChar(char c) {
return c == AND || c == OR;
}
private boolean isRelationalOperatorChar(char c) {
return c == OPERATOR_PIPE || c == LT || c == GT || c == EQ || c == TILDE || c == BANG;
return c == LT || c == GT || c == EQ || c == TILDE || c == BANG;
}
}

1
json-path/src/main/java/com/jayway/jsonpath/internal/filter/LogicalExpressionNode.java
Unescape View File

@ -42,7 +42,6 @@ public class LogicalExpressionNode extends ExpressionNode {
@Override
public String toString() {
//return "(" + Utils.join(" " + operator.getOperatorString() + " ", Utils.reverse(chain)) + ")";
return "(" + Utils.join(" " + operator.getOperatorString() + " ", chain) + ")";
}

24
json-path/src/main/java/com/jayway/jsonpath/internal/filter/RelationalOperator.java
Unescape View File

@ -11,15 +11,15 @@ public enum RelationalOperator {
LT("<"),
GT(">"),
REGEX("=~"),
NIN("¦NIN¦"),
IN("¦IN¦"),
CONTAINS("¦CONTAINS¦"),
ALL("¦ALL¦"),
SIZE("¦SIZE¦"),
EXISTS("¦EXISTS¦"),
TYPE("¦TYPE¦"),
MATCHES("¦MATCHES¦"),
EMPTY("¦EMPTY¦");
NIN("NIN"),
IN("IN"),
CONTAINS("CONTAINS"),
ALL("ALL"),
SIZE("SIZE"),
EXISTS("EXISTS"),
TYPE("TYPE"),
MATCHES("MATCHES"),
EMPTY("EMPTY");
private final String operatorString;
@ -27,13 +27,9 @@ public enum RelationalOperator {
this.operatorString = operatorString;
}
public String getOperatorString() {
return operatorString;
}
public static RelationalOperator fromString(String operatorString){
for (RelationalOperator operator : RelationalOperator.values()) {
if(operator.operatorString.equals(operatorString) ){
if(operator.operatorString.equals(operatorString.toUpperCase()) ){
return operator;
}
}

13
json-path/src/test/java/com/jayway/jsonpath/FilterCompilerTest.java
Unescape View File

@ -5,10 +5,9 @@ import org.junit.Test;
public class FilterCompilerTest {
@Test
public void filter_compiler_test() {
/*
FilterCompiler.compile("[?(@)]");
FilterCompiler.compile("[?($)]");
@ -28,7 +27,6 @@ public class FilterCompilerTest {
FilterCompiler.compile("[?($['firstname']['num_gt'] > 1.1)]");
FilterCompiler.compile("[?($['firstname']['num_lt'] < 11.11)]");
FilterCompiler.compile("[?($['firstname']['num_in'] ¦IN¦ 0.1)]");
FilterCompiler.compile("[?($['firstname']['str_eq'] == 'hej')]");
FilterCompiler.compile("[?($['firstname']['str_eq'] == '')]");
@ -47,15 +45,10 @@ public class FilterCompilerTest {
FilterCompiler.compile("[?((@.a && @.b) || (@.c && @.d))]");
FilterCompiler.compile("[?(@.a ¦IN¦ [1,2,3])]");
FilterCompiler.compile("[?(@.a ¦IN¦ {'foo':'bar'})]");
FilterCompiler.compile("[?(@.a IN [1,2,3])]");
FilterCompiler.compile("[?(@.a IN {'foo':'bar'})]");
FilterCompiler.compile("[?(@.value<'7')]");
*/
//FilterCompiler.compile("[?(@.message == 'it\\'s here')]");
FilterCompiler.compile("[?(@.message == 'it\\\\')]");
}
}

20
json-path/src/test/java/com/jayway/jsonpath/FilterParseTest.java
Unescape View File

@ -102,7 +102,7 @@ public class FilterParseTest {
@Test
public void a_nin_filter_can_be_serialized() {
String filter = filter(where("a").nin(1)).toString();
String parsed = parse("[?(@['a'] ¦NIN¦ [1])]").toString();
String parsed = parse("[?(@['a'] NIN [1])]").toString();
assertThat(filter).isEqualTo(parsed);
}
@ -111,7 +111,7 @@ public class FilterParseTest {
public void a_in_filter_can_be_serialized() {
String filter = filter(where("a").in("a")).toString();
String parsed = parse("[?(@['a'] ¦IN¦ ['a'])]").toString();
String parsed = parse("[?(@['a'] IN ['a'])]").toString();
assertThat(filter).isEqualTo(parsed);
}
@ -119,7 +119,7 @@ public class FilterParseTest {
@Test
public void a_contains_filter_can_be_serialized() {
String filter = filter(where("a").contains("a")).toString();
String parsed = parse("[?(@['a'] ¦CONTAINS¦ 'a')]").toString();
String parsed = parse("[?(@['a'] CONTAINS 'a')]").toString();
assertThat(filter).isEqualTo(parsed);
}
@ -128,7 +128,7 @@ public class FilterParseTest {
public void a_all_filter_can_be_serialized() {
String filter = filter(where("a").all("a", "b")).toString();
String parsed = parse("[?(@['a'] ¦ALL¦ ['a','b'])]").toString();
String parsed = parse("[?(@['a'] ALL ['a','b'])]").toString();
assertThat(filter).isEqualTo(parsed);
}
@ -137,7 +137,7 @@ public class FilterParseTest {
public void a_size_filter_can_be_serialized() {
String filter = filter(where("a").size(5)).toString();
String parsed = parse("[?(@['a'] ¦SIZE¦ 5)]").toString();
String parsed = parse("[?(@['a'] SIZE 5)]").toString();
assertThat(filter).isEqualTo(parsed);
}
@ -163,21 +163,21 @@ public class FilterParseTest {
@Test
public void a_type_filter_can_be_serialized() {
assertThat(filter(where("a").type(String.class)).toString()).isEqualTo("[?(@['a'] ¦TYPE¦ java.lang.String)]");
assertThat(filter(where("a").type(String.class)).toString()).isEqualTo("[?(@['a'] TYPE java.lang.String)]");
}
@Test
public void a_matches_filter_can_be_serialized() {
Filter a = filter(where("x").eq(1000));
assertThat(filter(where("a").matches(a)).toString()).isEqualTo("[?(@['a'] ¦MATCHES¦ [?(@['x'] == 1000)])]");
assertThat(filter(where("a").matches(a)).toString()).isEqualTo("[?(@['a'] MATCHES [?(@['x'] == 1000)])]");
}
@Test
public void a_not_empty_filter_can_be_serialized() {
String filter = filter(where("a").empty(false)).toString();
String parsed = parse("[?(@['a'] ¦EMPTY¦ false)]").toString();
String parsed = parse("[?(@['a'] EMPTY false)]").toString();
assertThat(filter).isEqualTo(parsed);
}
@ -195,7 +195,7 @@ public class FilterParseTest {
public void in_string_filter_can_be_serialized() {
String filter = filter(where("a").in("1","2")).toString();
String parsed = parse("[?(@['a'] ¦IN¦ ['1','2'])]").toString();
String parsed = parse("[?(@['a'] IN ['1','2'])]").toString();
assertThat(filter).isEqualTo(parsed);
}
@ -204,7 +204,7 @@ public class FilterParseTest {
public void a_deep_path_filter_can_be_serialized() {
String filter = filter(where("a.b.c").in("1", "2")).toString();
String parsed = parse("[?(@['a']['b']['c'] ¦IN¦ ['1','2'])]").toString();
String parsed = parse("[?(@['a']['b']['c'] IN ['1','2'])]").toString();
assertThat(filter).isEqualTo(parsed);
}

Write Preview
Loading…
Cancel
Save