Merge pull request #704 from BartelNieuwenhuyse/bugfix/jmespath_rhs-expr-mulit-select-list

JMESPath Support rhs expression in multi_select_list

Author: danielaparker

include/jsoncons_ext/jmespath/jmespath.hpp

@@ -4904,6 +4904,7 @@ namespace detail {
                             case ',':
                                 push_token(token<Json>(separator_arg), resources, output_stack, ec);
                                 if (JSONCONS_UNLIKELY(ec)) {return jmespath_expression{};}
+                                state_stack.push_back(expr_state::rhs_expression);
                                 state_stack.push_back(expr_state::lhs_expression);
                                 ++p_;
                                 ++column_;

test/jmespath/input/test.json

@@ -1,4 +1,25 @@
 [
+  {
+    "given": {
+      "value": 1,
+      "count_children": true,
+      "children": {
+        "value": 2
+      }
+    },
+    "cases": [
+      {
+        "comment": "Operator in multi-select list second element",
+        "expression": "[value, count_children && children.value || `0`]",
+        "result": [1, 2]
+      },
+      {
+        "comment": "Operator in multi-select list first element",
+        "expression": "[count_children && children.value || `0`, value]",
+        "result": [2, 1]
+      }
+    ]
+  },
   {
     "given": {
       "foz": "baz"