Rename classes to match terminology from the spec

src/path/environment.ts

@@ -4,7 +4,7 @@ import {
   FilterExpressionLiteral,
   FunctionExtension,
   InfixExpression,
-  JSONPathQuery,
+  FilterQuery,
 } from "./expression";
 import { Count as CountFilterFunction } from "./functions/count";
 import { FilterFunction, FunctionExpressionType } from "./functions/function";
@@ -15,7 +15,7 @@ import { Value as ValueFilterFunction } from "./functions/value";
 import { tokenize } from "./lex";
 import { JSONPathNode, JSONPathNodeList } from "./node";
 import { Parser } from "./parse";
-import { JSONPath } from "./path";
+import { JSONPathQuery } from "./path";
 import { Token, TokenStream } from "./token";
 import { JSONValue } from "../types";
 import { CurrentKey } from "./extra/expression";
@@ -140,10 +140,10 @@ export class JSONPathEnvironment {
 
   /**
    * @param path - A JSONPath query to parse.
-   * @returns A new {@link JSONPath} object, bound to this environment.
+   * @returns A new {@link JSONPathQuery} object, bound to this environment.
    */
-  public compile(path: string): JSONPath {
-    return new JSONPath(
+  public compile(path: string): JSONPathQuery {
+    return new JSONPathQuery(
       this,
       this.parser.parse(new TokenStream(tokenize(this, path))),
     );
@@ -252,7 +252,7 @@ export class JSONPathEnvironment {
             !(
               arg instanceof FilterExpressionLiteral ||
               arg instanceof CurrentKey ||
-              (arg instanceof JSONPathQuery && arg.path.singularQuery()) ||
+              (arg instanceof FilterQuery && arg.path.singularQuery()) ||
               (arg instanceof FunctionExtension &&
                 this.functionRegister.get(arg.name)?.returnType ===
                   FunctionExpressionType.ValueType)
@@ -265,9 +265,7 @@ export class JSONPathEnvironment {
           }
           break;
         case FunctionExpressionType.LogicalType:
-          if (
-            !(arg instanceof JSONPathQuery || arg instanceof InfixExpression)
-          ) {
+          if (!(arg instanceof FilterQuery || arg instanceof InfixExpression)) {
             throw new JSONPathTypeError(
               `${token.value}() argument ${idx} must be of LogicalType`,
               arg.token,
@@ -277,7 +275,7 @@ export class JSONPathEnvironment {
         case FunctionExpressionType.NodesType:
           if (
             !(
-              arg instanceof JSONPathQuery ||
+              arg instanceof FilterQuery ||
               (arg instanceof FunctionExtension &&
                 this.functionRegister.get(arg.name)?.returnType ===
                   FunctionExpressionType.NodesType)

src/path/expression.ts

@@ -2,7 +2,7 @@ import { deepEquals } from "../deep_equals";
 import { JSONPathTypeError, UndefinedFilterFunctionError } from "./errors";
 import { FunctionExpressionType } from "./functions/function";
 import { JSONPathNodeList } from "./node";
-import { JSONPath } from "./path";
+import { JSONPathQuery } from "./path";
 import { Token } from "./token";
 import { FilterContext, Nothing } from "./types";
 import { isNumber, isString } from "../types";
@@ -190,16 +190,16 @@ export class LogicalExpression extends FilterExpression {
 /**
  * Base class for relative and absolute JSONPath query expressions.
  */
-export abstract class JSONPathQuery extends FilterExpression {
+export abstract class FilterQuery extends FilterExpression {
   constructor(
     readonly token: Token,
-    readonly path: JSONPath,
+    readonly path: JSONPathQuery,
   ) {
     super(token);
   }
 }
 
-export class RelativeQuery extends JSONPathQuery {
+export class RelativeQuery extends FilterQuery {
   public evaluate(context: FilterContext): JSONPathNodeList {
     return context.lazy
       ? new JSONPathNodeList(
@@ -213,7 +213,7 @@ export class RelativeQuery extends JSONPathQuery {
   }
 }
 
-export class RootQuery extends JSONPathQuery {
+export class RootQuery extends FilterQuery {
   public evaluate(context: FilterContext): JSONPathNodeList {
     return context.lazy
       ? new JSONPathNodeList(Array.from(this.path.lazyQuery(context.rootValue)))

src/path/index.ts

@@ -1,12 +1,12 @@
 import { JSONValue } from "../types";
 import { JSONPathEnvironment } from "./environment";
 import { JSONPathNode, JSONPathNodeList } from "./node";
-import { JSONPath } from "./path";
+import { JSONPathQuery } from "./path";
 
 export { JSONPathEnvironment } from "./environment";
 export type { JSONPathEnvironmentOptions } from "./environment";
 
-export { JSONPath } from "./path";
+export { JSONPathQuery } from "./path";
 export { JSONPathNodeList, JSONPathNode } from "./node";
 export { Token, TokenKind } from "./token";
 
@@ -85,7 +85,7 @@ export function lazyQuery(
  * If filter function arguments are invalid, or filter expression are
  * used in an invalid way.
  */
-export function compile(path: string): JSONPath {
+export function compile(path: string): JSONPathQuery {
   return DEFAULT_ENVIRONMENT.compile(path);
 }
 

src/path/parse.ts

@@ -15,7 +15,7 @@ import {
   StringLiteral,
 } from "./expression";
 import { FunctionExpressionType } from "./functions/function";
-import { JSONPath } from "./path";
+import { JSONPathQuery } from "./path";
 import {
   FilterSelector,
   IndexSelector,
@@ -24,11 +24,7 @@ import {
   SliceSelector,
   WildcardSelector,
 } from "./selectors";
-import {
-  RecursiveDescentSegment,
-  ChildSegment,
-  JSONPathSegment,
-} from "./segments";
+import { DescendantSegment, ChildSegment, JSONPathSegment } from "./segments";
 import { Token, TokenKind, TokenStream } from "./token";
 import { CurrentKey } from "./extra/expression";
 import {
@@ -115,7 +111,7 @@ export class Parser {
           const token = stream.next();
           const selectors = this.parseSelectors(stream);
           segments.push(
-            new RecursiveDescentSegment(this.environment, token, selectors),
+            new DescendantSegment(this.environment, token, selectors),
           );
           break;
         }
@@ -453,15 +449,15 @@ export class Parser {
     const tok = stream.next();
     return new RootQuery(
       tok,
-      new JSONPath(this.environment, this.parseQuery(stream, true)),
+      new JSONPathQuery(this.environment, this.parseQuery(stream, true)),
     );
   }
 
   protected parseRelativeQuery(stream: TokenStream): RelativeQuery {
     const tok = stream.next();
     return new RelativeQuery(
       tok,
-      new JSONPath(this.environment, this.parseQuery(stream, true)),
+      new JSONPathQuery(this.environment, this.parseQuery(stream, true)),
     );
   }
 

src/path/path.ts

@@ -2,12 +2,12 @@ import { JSONPathEnvironment } from "./environment";
 import { JSONPathNode, JSONPathNodeList } from "./node";
 import { IndexSelector, NameSelector } from "./selectors";
 import { JSONValue } from "../types";
-import { JSONPathSegment, RecursiveDescentSegment } from "./segments";
+import { JSONPathSegment, DescendantSegment } from "./segments";
 
 /**
  *
  */
-export class JSONPath {
+export class JSONPathQuery {
   /**
    *
    * @param environment -
@@ -70,7 +70,7 @@ export class JSONPath {
 
   public singularQuery(): boolean {
     for (const segment of this.segments) {
-      if (segment instanceof RecursiveDescentSegment) return false;
+      if (segment instanceof DescendantSegment) return false;
 
       if (
         segment.selectors.length === 1 &&

src/path/segments.ts

@@ -57,7 +57,7 @@ export class ChildSegment extends JSONPathSegment {
 }
 
 /** The recursive descent segment. */
-export class RecursiveDescentSegment extends JSONPathSegment {
+export class DescendantSegment extends JSONPathSegment {
   public resolve(nodes: JSONPathNode[]): JSONPathNode[] {
     const rv: JSONPathNode[] = [];