Bracket properties can contain path chars #154

json-path/src/main/java/com/jayway/jsonpath/internal/CharacterIndex.java

@@ -10,6 +10,7 @@ public class CharacterIndex {
     private static final char SPACE = ' ';
     private static final char ESCAPE = '\\';
     private static final char SINGLE_QUOTE = '\'';
+    private static final char DOUBLE_QUOTE = '"';
     private static final char MINUS = '-';
     private static final char PERIOD = '.';
     private static final char REGEX = '/';
@@ -92,6 +93,23 @@ public class CharacterIndex {
                             break;
                         }
                     }
+                } else if (charAt(readPosition) == DOUBLE_QUOTE) {
+                    boolean escaped = false;
+                    while (inBounds(readPosition)) {
+                        readPosition++;
+                        if (escaped) {
+                            escaped = false;
+                            continue;
+                        }
+                        if (charAt(readPosition) == ESCAPE) {
+                            escaped = true;
+                            continue;
+                        }
+                        if (charAt(readPosition) == DOUBLE_QUOTE) {
+                            readPosition++;
+                            break;
+                        }
+                    }
                 }
             }
             if (skipRegex) {

json-path/src/main/java/com/jayway/jsonpath/internal/filter/FilterCompiler.java

@@ -16,6 +16,7 @@ public class FilterCompiler {
     private static final char EVAL_CONTEXT = '@';
 
     private static final char OPEN_SQUARE_BRACKET = '[';
+    private static final char CLOSE_SQUARE_BRACKET = ']';
     private static final char OPEN_PARENTHESIS = '(';
     private static final char CLOSE_PARENTHESIS = ')';
     private static final char OPEN_OBJECT = '{';
@@ -301,7 +302,7 @@ public class FilterCompiler {
         filter.incrementPosition(1); //skip $ and @
         while (filter.inBounds()) {
             if (filter.currentChar() == OPEN_SQUARE_BRACKET) {
-                int closingSquareBracketIndex = filter.indexOfClosingSquareBracket(filter.position());
+                int closingSquareBracketIndex = filter.indexOfMatchingCloseChar(filter.position(), OPEN_SQUARE_BRACKET, CLOSE_SQUARE_BRACKET, true, false);
                 if (closingSquareBracketIndex == -1) {
                     throw new InvalidPathException("Square brackets does not match in filter " + filter);
                 } else {

json-path/src/main/java/com/jayway/jsonpath/internal/path/PathCompiler.java

@@ -172,7 +172,7 @@ public class PathCompiler {
         if(property.endsWith("()")){
             appender.appendPathToken(PathTokenFactory.createFunctionPathToken(property));
         } else {
-            appender.appendPathToken(PathTokenFactory.createSinglePropertyPathToken(property));
+            appender.appendPathToken(PathTokenFactory.createSinglePropertyPathToken(property, SINGLE_QUOTE));
         }
 
         return path.currentIsTail() || readNextToken(appender);
@@ -385,7 +385,7 @@ public class PathCompiler {
 
         path.setPosition(endBracketIndex);
 
-        appender.appendPathToken(PathTokenFactory.createPropertyPathToken(properties));
+        appender.appendPathToken(PathTokenFactory.createPropertyPathToken(properties, potentialStringDelimiter));
 
         return path.currentIsTail() || readNextToken(appender);
     }

json-path/src/main/java/com/jayway/jsonpath/internal/path/PathTokenFactory.java

@@ -13,12 +13,12 @@ public class PathTokenFactory {
         return new RootPathToken(token);
     }
 
-    public static PathToken createSinglePropertyPathToken(String property) {
+    public static PathToken createSinglePropertyPathToken(String property, char stringDelimiter) {
-        return new PropertyPathToken(singletonList(property));
+        return new PropertyPathToken(singletonList(property), stringDelimiter);
     }
 
-    public static PathToken createPropertyPathToken(List<String> properties) {
+    public static PathToken createPropertyPathToken(List<String> properties, char stringDelimiter) {
-        return new PropertyPathToken(properties);
+        return new PropertyPathToken(properties, stringDelimiter);
     }
 
     public static PathToken createSliceArrayPathToken(final ArraySliceOperation arraySliceOperation) {

json-path/src/main/java/com/jayway/jsonpath/internal/path/PropertyPathToken.java

@@ -30,12 +30,14 @@ import static com.jayway.jsonpath.internal.Utils.onlyOneIsTrueNonThrow;
 class PropertyPathToken extends PathToken {
 
     private final List<String> properties;
+    private final String stringDelimiter;
 
-    public PropertyPathToken(List<String> properties) {
+    public PropertyPathToken(List<String> properties, char stringDelimiter) {
         if (properties.isEmpty()) {
             throw new InvalidPathException("Empty properties");
         }
         this.properties = properties;
+        this.stringDelimiter = Character.toString(stringDelimiter);
     }
 
     public List<String> getProperties() {
@@ -97,7 +99,7 @@ class PropertyPathToken extends PathToken {
     public String getPathFragment() {
         return new StringBuilder()
                 .append("[")
-                .append(Utils.join(",", "'", properties))
+                .append(Utils.join(",", stringDelimiter, properties))
                 .append("]").toString();
     }
 }

json-path/src/test/java/com/jayway/jsonpath/FilterCompilerTest.java

@@ -42,18 +42,24 @@ public class FilterCompilerTest {
         assertThat(compile("[?(((@)))]").toString()).isEqualTo("[?(@)]");
         assertThat(compile("[?(@.name =~ /.*?/i)]").toString()).isEqualTo("[?(@['name'] =~ /.*?/i)]");
         assertThat(compile("[?(@.name =~ /.*?/)]").toString()).isEqualTo("[?(@['name'] =~ /.*?/)]");
-        assertThat(compile("[?($[\"firstname\"][\"lastname\"])]").toString()).isEqualTo("[?($['firstname']['lastname'])]");
+        assertThat(compile("[?($[\"firstname\"][\"lastname\"])]").toString()).isEqualTo("[?($[\"firstname\"][\"lastname\"])]");
-        assertThat(compile("[?($[\"firstname\"].lastname)]").toString()).isEqualTo("[?($['firstname']['lastname'])]");
+        assertThat(compile("[?($[\"firstname\"].lastname)]").toString()).isEqualTo("[?($[\"firstname\"]['lastname'])]");
-        assertThat(compile("[?($[\"firstname\", \"lastname\"])]").toString()).isEqualTo("[?($['firstname','lastname'])]");
+        assertThat(compile("[?($[\"firstname\", \"lastname\"])]").toString()).isEqualTo("[?($[\"firstname\",\"lastname\"])]");
 
     }
 
     @Test
-    public void string_quoute_style_is_serialized() {
+    public void string_quote_style_is_serialized() {
         assertThat(compile("[?('apa' == 'apa')]").toString()).isEqualTo("[?('apa' == 'apa')]");
         assertThat(compile("[?('apa' == \"apa\")]").toString()).isEqualTo("[?('apa' == \"apa\")]");
     }
 
+    @Test
+    public void string_can_contain_path_chars() {
+        assertThat(compile("[?(@[')]@$)]'] == ')]@$)]')]").toString()).isEqualTo("[?(@[')]@$)]'] == ')]@$)]')]");
+        assertThat(compile("[?(@[\")]@$)]\"] == \")]@$)]\")]").toString()).isEqualTo("[?(@[\")]@$)]\"] == \")]@$)]\")]");
+    }
+
 
     @Test
     public void invalid_filters_does_not_compile() {

json-path/src/test/java/com/jayway/jsonpath/PathCompilerTest.java

@@ -59,7 +59,7 @@ public class PathCompilerTest {
         assertThat(compile("$['1prop']").toString()).isEqualTo("$['1prop']");
         assertThat(compile("$['@prop']").toString()).isEqualTo("$['@prop']");
         assertThat(compile("$[  '@prop'  ]").toString()).isEqualTo("$['@prop']");
-        assertThat(compile("$[\"prop\"]").toString()).isEqualTo("$['prop']");
+        assertThat(compile("$[\"prop\"]").toString()).isEqualTo("$[\"prop\"]");
     }
 
     @Test

json-path/src/test/java/com/jayway/jsonpath/internal/path/PathTokenTest.java

@@ -33,7 +33,7 @@ public class PathTokenTest extends BaseTest {
 
 
     private PathToken makePPT(final String ... properties) {
-        return new PropertyPathToken(Arrays.asList(properties));
+        return new PropertyPathToken(Arrays.asList(properties), '\'');
     }
 
     private PathToken makePathReturningTail(final PathToken ... tokens) {