Query Manager (#915)

* Bump prismjs from 1.25.0 to 1.27.0 in /dashboards-observability (#508) (#574) Bumps [prismjs](https://github.com/PrismJS/prism) from 1.25.0 to 1.27.0. - [Release notes](https://github.com/PrismJS/prism/releases) - [Changelog](https://github.com/PrismJS/prism/blob/master/CHANGELOG.md) - [Commits](PrismJS/prism@v1.25.0...v1.27.0) --- updated-dependencies: - dependency-name: prismjs dependency-type: indirect ... Signed-off-by: dependabot[bot] <[email protected]> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com> (cherry picked from commit b4f491a) Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com> * change to support java 8 in compile and runtime (#575) (#576) Signed-off-by: Zhongnan Su <[email protected]> (cherry picked from commit 5c43e9d) Co-authored-by: Zhongnan Su <[email protected]> * Add 1.3.0 release notes (#580) (#582) Signed-off-by: Eugene Lee <[email protected]> * query manager Signed-off-by: Eric Wei <[email protected]> * removed aggregations from dimensions Signed-off-by: Eric Wei <[email protected]> * qm improvements Signed-off-by: Eric Wei <[email protected]> * types/code cleanups/error corrections Signed-off-by: Eric Wei <[email protected]> * fixed a undefined issue Signed-off-by: Eric Wei <[email protected]> * qm fixes for query builder Signed-off-by: Eric Wei <[email protected]> * viz timestamp selector Signed-off-by: Eric Wei <[email protected]> * use postinstall for antlr output files Signed-off-by: Eric Wei <[email protected]> * query building fixes Signed-off-by: Eric Wei <[email protected]> * updated snapshots Signed-off-by: Eric Wei <[email protected]> * remove output files Signed-off-by: Eric Wei <[email protected]> * cherry-pick from integration branch Signed-off-by: Eric Wei <[email protected]> * explicitly remove generated files Signed-off-by: Eric Wei <[email protected]> Signed-off-by: Eugene Lee <[email protected]> Signed-off-by: Eric Wei <[email protected]> Co-authored-by: opensearch-trigger-bot[bot] <98922864+opensearch-trigger-bot[bot]@users.noreply.github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com> Co-authored-by: Zhongnan Su <[email protected]>
opensearch-project · Sep 7, 2022 · 2fae9b0 · 2fae9b0
1 parent e8edc0c
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diff --git a/dashboards-observability/.gitignore b/dashboards-observability/.gitignore
@@ -4,3 +4,4 @@ build/
 coverage/
 .cypress/screenshots
 .cypress/videos
+common/query_manager/antlr/output
diff --git a/dashboards-observability/common/query_manager/antlr/adaptors/case_insensitive_char_stream.ts b/dashboards-observability/common/query_manager/antlr/adaptors/case_insensitive_char_stream.ts
@@ -0,0 +1,60 @@
+/*
+ * Copyright OpenSearch Contributors
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import { CharStream } from 'antlr4ts';
+
+export class CaseInsensitiveCharStream {
+  private stream: CharStream;
+
+  get index(): number {
+    return this.stream.index;
+  }
+
+  get size(): number {
+    return this.stream.size;
+  }
+
+  get sourceName(): string {
+    return 'pplquery';
+  }
+
+  constructor(stream: CharStream) {
+    this.stream = stream;
+  }
+
+  LA(offset: number): number {
+    const c: number = this.stream.LA(offset);
+    if (c <= 0) {
+      return c;
+    }
+
+    // case insensitivity support for PPL
+    return String.fromCodePoint(c).toUpperCase().codePointAt(0)!;
+  }
+
+  consume(): void {
+    this.stream.consume();
+  }
+
+  mark(): number {
+    return this.stream.mark();
+  }
+
+  release(marker: number): void {
+    this.stream.release(marker);
+  }
+
+  seek(index: number): void {
+    this.stream.seek(index);
+  }
+
+  getText(interval: any): string {
+    return this.stream.getText(interval);
+  }
+
+  toString(): string {
+    return this.stream.toString();
+  }
+}