Adding html_support

rules/android_lint.bzl

@@ -21,12 +21,17 @@ def _impl(ctx):
     android_lint_results = _process_android_lint_issues(ctx, regenerate = False)
 
     inputs = []
-    inputs.append(android_lint_results.output)
+    inputs.append(android_lint_results.xml_output)
 
+    files_output = []
+    if android_lint_results.xml_output != None:
+        files_output.append(android_lint_results.xml_output)
+    if android_lint_results.html_output != None:
+        files_output.append(android_lint_results.html_output)
     return [
         DefaultInfo(
             runfiles = ctx.runfiles(files = inputs),
-            files = depset([android_lint_results.output]),
+            files = depset(files_output),
         ),
     ] + android_lint_results.providers
 

rules/android_lint_test.bzl

@@ -21,7 +21,7 @@ def _test_impl(ctx):
     android_lint_results = _process_android_lint_issues(ctx, regenerate = False)
 
     inputs = []
-    inputs.append(android_lint_results.output)
+    inputs.append(android_lint_results.xml_output)
     inputs.extend(ctx.attr._android_lint_output_validator.default_runfiles.files.to_list())
 
     ctx.actions.write(
@@ -33,15 +33,19 @@ def _test_impl(ctx):
 {executable} --lint_baseline "{lint_baseline}"
         """.format(
             executable = ctx.executable._android_lint_output_validator.short_path,
-            lint_baseline = android_lint_results.output.short_path,
+            lint_baseline = android_lint_results.xml_output.short_path,
         ),
     )
-
+    files_info = [ctx.outputs.executable]
+    if android_lint_results.xml_output != None:
+        files_info.append(android_lint_results.xml_output)
+    if android_lint_results.html_output != None:
+        files_info.append(android_lint_results.html_output)
     return [
         DefaultInfo(
             runfiles = ctx.runfiles(files = inputs),
             executable = ctx.outputs.executable,
-            files = depset([ctx.outputs.executable, android_lint_results.output]),
+            files = depset(files_info),
         ),
     ] + android_lint_results.providers
 

rules/attrs.bzl

@@ -77,5 +77,11 @@ ATTRS = dict(
         default = [],
         doc = "Custom lint rules to run.",
     ),
+    output_formats = attr.string_list(
+        mandatory = False,
+        allow_empty = False,
+        default = ["xml"],
+        doc = "List of output formats to produce. Supported [xml, html]",
+    ),
     _use_auto_exec_groups = attr.bool(default = True),
 )

rules/impl.bzl

@@ -19,7 +19,8 @@ def _run_android_lint(
         ctx,
         android_lint,
         module_name,
-        output,
+        xml_output,
+        html_output,
         srcs,
         deps,
         resource_files,
@@ -43,7 +44,8 @@ def _run_android_lint(
         ctx: The target context
         android_lint: The Android Lint binary to use
         module_name: The name of the module
-        output: The output file
+        xml_output: The xml_output file
+        html_output: The html_output file
         srcs: The source files
         deps: Depset of aars and jars to include on the classpath
         resource_files: The Android resource files
@@ -63,7 +65,7 @@ def _run_android_lint(
         android_lint_skip_bytecode_verifier: Disables bytecode verification
     """
     inputs = []
-    outputs = [output]
+    outputs = []
 
     args = ctx.actions.args()
     args.set_param_file_format("multiline")
@@ -114,9 +116,14 @@ def _run_android_lint(
     if android_lint_enable_check_dependencies:
         args.add("--enable-check-dependencies")
 
-    # Declare the output file
-    args.add("--output", output)
-    outputs.append(output)
+    if xml_output != None:
+        args.add("--xml-output", xml_output)
+        outputs.append(xml_output)
+    if html_output != None:
+        args.add("--html-output", html_output)
+        outputs.append(html_output)
+    if len(outputs) == 0:
+        fail("Lint cannot have no outputs!")
 
     ctx.actions.run(
         mnemonic = "AndroidLint",
@@ -163,7 +170,7 @@ def process_android_lint_issues(ctx, regenerate):
         regenerate: Whether to regenerate the baseline files
 
     Returns:
-        A struct containing the output file and the providers
+        A struct containing the output files and the providers
     """
 
     # Append the Android manifest file. Lint requires that the input manifest files be named
@@ -197,20 +204,29 @@ def process_android_lint_issues(ctx, regenerate):
             _utils.list_or_depset_to_list(_utils.get_android_lint_toolchain(ctx).android_lint_config.files),
         )
 
-    output = ctx.actions.declare_file("{}.xml".format(ctx.label.name))
+    baseline = getattr(ctx.file, "baseline", None)
+    xml_output = None
+    html_output = None
+    for output_format in ctx.attr.output_formats:
+        if output_format == "xml":
+            xml_output = ctx.actions.declare_file("{}.xml".format(ctx.label.name))
+        if output_format == "html":
+            html_output = ctx.actions.declare_file("{}.html".format(ctx.label.name))
+
     _run_android_lint(
         ctx,
         android_lint = _utils.only(_utils.list_or_depset_to_list(_utils.get_android_lint_toolchain(ctx).android_lint.files)),
         module_name = _get_module_name(ctx),
-        output = output,
+        xml_output = xml_output,
+        html_output = html_output,
         srcs = ctx.files.srcs,
         deps = depset(transitive = deps),
         resource_files = ctx.files.resource_files,
         manifest = manifest,
         compile_sdk_version = _utils.get_android_lint_toolchain(ctx).compile_sdk_version,
         java_language_level = _utils.get_android_lint_toolchain(ctx).java_language_level,
         kotlin_language_level = _utils.get_android_lint_toolchain(ctx).kotlin_language_level,
-        baseline = getattr(ctx.file, "baseline", None),
+        baseline = baseline,
         config = config,
         warnings_as_errors = ctx.attr.warnings_as_errors,
         custom_rules = ctx.files.custom_rules,
@@ -223,10 +239,14 @@ def process_android_lint_issues(ctx, regenerate):
     )
 
     return struct(
-        output = output,
+        baseline = baseline,
+        xml_output = xml_output,
+        html_output = html_output,
         providers = [
             _AndroidLintResultsInfo(
-                output = output,
+                baseline = baseline,
+                xml_output = xml_output,
+                html_output = html_output,
             ),
         ],
     )

rules/providers.bzl

@@ -4,6 +4,8 @@
 AndroidLintResultsInfo = provider(
     "Info needed to evaluate lint results",
     fields = {
-        "output": "The Android Lint baseline output",
+        "baseline": "The Android Lint baseline output",
+        "xml_output": "The Android Lint xml output",
+        "html_output": "The Android Lint html output",
     },
 )

src/cli/AndroidLintActionArgs.kt

@@ -32,11 +32,17 @@ internal class AndroidLintActionArgs(
     transform = argsParserPathTransformer,
   )
 
-  val output: Path by parser.storing(
-    names = arrayOf("--output"),
+  val xmlOutput: Path? by parser.storing(
+    names = arrayOf("--xml-output"),
     help = "",
     transform = argsParserPathTransformer,
-  )
+  ).default { null }
+
+  val htmlOutput: Path? by parser.storing(
+    names = arrayOf("--html-output"),
+    help = "",
+    transform = argsParserPathTransformer,
+  ).default { null }
 
   val resources: List<Path> by parser.adding(
     names = arrayOf("--resource"),

src/cli/AndroidLintRunner.kt

@@ -92,8 +92,6 @@ internal class AndroidLintRunner {
     val args = mutableListOf(
       "--project",
       projectFilePath.pathString,
-      "--xml",
-      actionArgs.output.pathString,
       "--path-variables",
       "PWD=$rootDirPath",
       "--exitcode",
@@ -113,6 +111,16 @@ internal class AndroidLintRunner {
       cacheDirectoryPath.pathString,
       "--client-id", "cli",
     )
+    if (actionArgs.xmlOutput != null) {
+      args.add("--xml")
+      args.add(actionArgs.xmlOutput!!.pathString)
+    }
+
+    if (actionArgs.htmlOutput != null) {
+      args.add("--html")
+      args.add(actionArgs.htmlOutput!!.pathString)
+    }
+
     if (actionArgs.warningsAsErrors) {
       args.add("-Werror")
     } else {

tests/src/cli/AndroidLintActionArgsTest.kt

@@ -19,8 +19,10 @@ class AndroidLintActionArgsTest {
         "path/to/cli.jar",
         "--src",
         "path/to/Foo.kt",
-        "--output",
-        "output.jar",
+        "--xml-output",
+        "xml_output.xml",
+        "--html-output",
+        "html_output.html",
         "--resource",
         "path/to/resource/strings.xml",
         "--android-manifest",
@@ -54,7 +56,8 @@ class AndroidLintActionArgsTest {
 
     assertThat(parseArgs.label).isEqualTo("test")
     assertThat(parseArgs.srcs).containsExactly(Paths.get("path/to/Foo.kt"))
-    assertThat(parseArgs.output).isEqualTo(Paths.get("output.jar"))
+    assertThat(parseArgs.xmlOutput).isEqualTo(Paths.get("xml_output.xml"))
+    assertThat(parseArgs.htmlOutput).isEqualTo(Paths.get("html_output.html"))
     assertThat(parseArgs.resources).containsExactly(Paths.get("path/to/resource/strings.xml"))
     assertThat(parseArgs.baselineFile).isEqualTo(Paths.get("lib_lint_baseline.xml"))
     assertThat(parseArgs.config).isEqualTo(Paths.get("lint_config.xml"))