# Experimental filesystem C APIs for TensorFlow.
# Will be moved in proper place once all filesystems are converted to the
# modular framework.
load("//tensorflow:tensorflow.bzl", "tf_cc_test")
load("//tensorflow/core/platform:rules_cc.bzl", "cc_library")

package(
    # copybara:uncomment default_applicable_licenses = ["//tensorflow:license"],
    licenses = ["notice"],
)

# This is only for plugins
cc_library(
    name = "filesystem_interface",

     * If the JAR is modular, its module information are ignored.
     * This type is new in Maven 4.
     */
    String CLASSPATH_JAR = "classpath-jar";

    /**
     * Artifact type name for a JAR file to unconditionally place on the module-path.
     * If the JAR is not modular, then it is loaded by Java as an unnamed module.
     * This type is new in Maven 4.
     */

     *
     * @see #getModuleInfo(Path)
     */
    private final Map<Path, PathModularization> moduleInfo;

    /**
     * Whether JAR files are modular. This map is redundant with {@link #moduleInfo},
     * but cheaper to compute when the module names are not needed.
     *
     * @see #getPathType(Path)
     */
    private final Map<Path, PathType> pathTypes;

     * @return an identification of the patch-module path for the given module.
     *
     * @see Modular#moduleName()
     */
    @Nonnull
    public static Modular patchModule(@Nonnull String moduleName) {
        return PATCH_MODULE.new Modular(moduleName);
    }

    /**
     * The {@code javax.tool} enumeration value corresponding to this {@code JavaPathType}, or {@code null} if none.

            if (type instanceof JavaPathType.Modular) {
                type = ((JavaPathType.Modular) type).rawType();
            }
            if (JavaPathType.PATCH_MODULE.equals(type)) {
                return true;
            }
        }
        return false;
    }

    /**
     * Returns whether at least one previously added modular dependency contains a module of the given name.
     *

 */
class PathModularization {
    /**
     * A unique constant for all non-modular dependencies.
     */
    public static final PathModularization NONE = new PathModularization();

    /**
     * Name of the file to use as a sentinel value for deciding if a directory or a JAR is modular.
     */
    private static final String MODULE_INFO = "module-info.class";

    /**

"checker". For example, the printf checker reports mistakes in
fmt.Printf format strings.

A "modular" analysis is one that inspects one package at a time but can
save information from a lower-level package and use it when inspecting a
higher-level package, analogous to separate compilation in a toolchain.
The printf checker is modular: when it discovers that a function such as
log.Fatalf delegates to fmt.Printf, it records this fact, and checks

        "@com_google_absl//absl/log",
    ],
    alwayslink = 1,
)

# Library implementing helper functionality, so that the above only contains
# the API implementation for modular filesystems.
cc_library(
    name = "posix_filesystem_helper",
    srcs = ["posix_filesystem_helper.cc"],
    hdrs = ["posix_filesystem_helper.h"],
    deps = [":copy_file"],
)

| <<<test-jar>>>        | <<<tests>>>   | <<<jar>>>  | java      | classes, patch module |                       |
*-----------------------+---------------+------------+-----------+-----------------------+-----------------------+
| <<<modular-jar>>> *   | <<<tests>>>   | <<<jar>>>  | java      | modules               |                       |
*-----------------------+---------------+------------+-----------+-----------------------+-----------------------+

     * is {@link JavaPathType#MODULES}, then this method returns {@code "--module-path"}.
     * The option does not include the {@linkplain JavaPathType.Modular#moduleName() module name}
     * on which it applies.
     *
     * @return the name of the tool option for this path type
     */
    @Nonnull
    Optional<String> option();

    /**