//
// Copyright 2006 The Android Open Source Project
//
// Android Asset Packaging Tool main entry point.
//
#include "Main.h"
#include "Bundle.h"

#include <utils.h>
#include <utils/ZipFile.h>

#include <stdlib.h>
#include <getopt.h>
#include <assert.h>

using namespace android;

static const char* gProgName = "aapt";

/*
 * When running under Cygwin on Windows, this will convert slash-based
 * paths into back-slash-based ones. Otherwise the ApptAssets file comparisons
 * fail later as they use back-slash separators under Windows.
 *
 * This operates in-place on the path string.
 */
void convertPath(char *path) {
  if (path != NULL && OS_PATH_SEPARATOR != '/') {
    for (; *path; path++) {
      if (*path == '/') {
        *path = OS_PATH_SEPARATOR;
      }
    }
  }
}

/*
 * Print usage info.
 */
void usage(void)
{
    fprintf(stderr, "Android Asset Packaging Tool\n\n");
    fprintf(stderr, "Usage:\n");
    fprintf(stderr,
        " %s l[ist] [-v] [-a] file.{zip,jar,apk}\n"
        "   List contents of Zip-compatible archive.\n\n", gProgName);
    fprintf(stderr,
        " %s d[ump] WHAT file.{apk} [asset [asset ...]]\n"
        "   badging          Print the label and icon for the app declared in APK.\n"
        "   permissions      Print the permissions from the APK.\n"
        "   resources        Print the resource table from the APK.\n"
        "   configurations   Print the configurations in the APK.\n"
        "   xmltree          Print the compiled xmls in the given assets.\n"
        "   xmlstrings       Print the strings of the given compiled xml assets.\n\n", gProgName);
    fprintf(stderr,
        " %s p[ackage] [-d][-f][-m][-u][-v][-x][-z][-M AndroidManifest.xml] \\\n"
        "        [-0 extension [-0 extension ...]] \\\n"
        "        [-g tolerance] \\\n"
        "        [-j jarfile] \\\n"
        "        [-I base-package [-I base-package ...]] \\\n"
        "        [-A asset-source-dir] [-P public-definitions-file] \\\n"
        "        [-S resource-sources [-S resource-sources ...]] "
        "        [-F apk-file] [-J R-file-dir] \\\n"
        "        [raw-files-dir [raw-files-dir] ...]\n"
        "\n"
        "   Package the android resources.  It will read assets and resources that are\n"
        "   supplied with the -M -A -S or raw-files-dir arguments.  The -J -P -F and -R\n"
        "   options control which files are output.\n\n"
        , gProgName);
    fprintf(stderr,
        " %s r[emove] [-v] file.{zip,jar,apk} file1 [file2 ...]\n"
        "   Delete specified files from Zip-compatible archive.\n\n",
        gProgName);
    fprintf(stderr,
        " %s a[dd] [-v] file.{zip,jar,apk} file1 [file2 ...]\n"
        "   Add specified files to Zip-compatible archive.\n\n", gProgName);
    fprintf(stderr,
        " %s v[ersion]\n"
        "   Print program version.\n\n", gProgName);
    fprintf(stderr,
        " Modifiers:\n"
        "   -a  print Android-specific data (resources, manifest) when listing\n"
        "   -c  specify which configurations to include.  The default is all\n"
        "       configurations.  The value of the parameter should be a comma\n"
        "       separated list of configuration values.  Locales should be specified\n"
        "       as either a language or language-region pair.  Some examples:\n"
        "            en\n"
        "            port,en\n"
        "            port,land,en_US\n"
        "       If you put the special locale, zz_ZZ on the list, it will perform\n"
        "       pseudolocalization on the default locale, modifying all of the\n"
        "       strings so you can look for strings that missed the\n"
        "       internationalization process.  For example:\n"
        "            port,land,zz_ZZ\n"
        "   -d  one or more device assets to include, separated by commas\n"
        "   -f  force overwrite of existing files\n"
        "   -g  specify a pixel tolerance to force images to grayscale, default 0\n"
        "   -j  specify a jar or zip file containing classes to include\n"
        "   -m  make package directories under location specified by -J\n"
#if 0
        "   -p  pseudolocalize the default configuration\n"
#endif
        "   -u  update existing packages (add new, replace older, remove deleted files)\n"
        "   -v  verbose output\n"
        "   -x  create extending (non-application) resource IDs\n"
        "   -z  require localization of resource attributes marked with\n"
        "       localization=\"suggested\"\n"
        "   -A  additional directory in which to find raw asset files\n"
        "   -F  specify the apk file to output\n"
        "   -I  add an existing package to base include set\n"
        "   -J  specify where to output R.java resource constant definitions\n"
        "   -M  specify full path to AndroidManifest.xml to include in zip\n"
        "   -P  specify where to output public resource definitions\n"
        "   -S  directory in which to find resources.  Multiple directories will be scanned"
        "       and the first match found (left to right) will take precedence."
        "   -0  specifies an additional extension for which such files will not\n"
        "       be stored compressed in the .apk.  An empty string means to not\n"
        "       compress any files at all.\n");
}

/*
 * Dispatch the command.
 */
int handleCommand(Bundle* bundle)
{
    //printf("--- command %d (verbose=%d force=%d):\n",
    //    bundle->getCommand(), bundle->getVerbose(), bundle->getForce());
    //for (int i = 0; i < bundle->getFileSpecCount(); i++)
    //    printf("  %d: '%s'\n", i, bundle->getFileSpecEntry(i));

    switch (bundle->getCommand()) {
    case kCommandVersion:   return doVersion(bundle);
    case kCommandList:      return doList(bundle);
    case kCommandDump:      return doDump(bundle);
    case kCommandAdd:       return doAdd(bundle);
    case kCommandRemove:    return doRemove(bundle);
    case kCommandPackage:   return doPackage(bundle);
    default:
        fprintf(stderr, "%s: requested command not yet supported\n", gProgName);
        return 1;
    }
}

/*
 * Parse args.
 */
int main(int argc, char* const argv[])
{
    char *prog = argv[0];
    Bundle bundle;
    bool wantUsage = false;
    int result = 1;    // pessimistically assume an error.
    int tolerance = 0;

    /* default to compression */
    bundle.setCompressionMethod(ZipEntry::kCompressDeflated);

    if (argc < 2) {
        wantUsage = true;
        goto bail;
    }

    if (argv[1][0] == 'v')
        bundle.setCommand(kCommandVersion);
    else if (argv[1][0] == 'd')
        bundle.setCommand(kCommandDump);
    else if (argv[1][0] == 'l')
        bundle.setCommand(kCommandList);
    else if (argv[1][0] == 'a')
        bundle.setCommand(kCommandAdd);
    else if (argv[1][0] == 'r')
        bundle.setCommand(kCommandRemove);
    else if (argv[1][0] == 'p')
        bundle.setCommand(kCommandPackage);
    else {
        fprintf(stderr, "ERROR: Unknown command '%s'\n", argv[1]);
        wantUsage = true;
        goto bail;
    }
    argc -= 2;
    argv += 2;

    /*
     * Pull out flags.  We support "-fv" and "-f -v".
     */
    while (argc && argv[0][0] == '-') {
        /* flag(s) found */
        const char* cp = argv[0] +1;

        while (*cp != '\0') {
            switch (*cp) {
            case 'v':
                bundle.setVerbose(true);
                break;
            case 'a':
                bundle.setAndroidList(true);
                break;
            case 'c':
                argc--;
                argv++;
                if (!argc) {
                    fprintf(stderr, "ERROR: No argument supplied for '-c' option\n");
                    wantUsage = true;
                    goto bail;
                }
                bundle.addConfigurations(argv[0]);
                break;
            case 'f':
                bundle.setForce(true);
                break;
            case 'g':
                argc--;
                argv++;
                if (!argc) {
                    fprintf(stderr, "ERROR: No argument supplied for '-g' option\n");
                    wantUsage = true;
                    goto bail;
                }
                tolerance = atoi(argv[0]);
                bundle.setGrayscaleTolerance(tolerance);
                printf("%s: Images with deviation <= %d will be forced to grayscale.\n", prog, tolerance);
                break;
            case 'm':
                bundle.setMakePackageDirs(true);
                break;
#if 0
            case 'p':
                bundle.setPseudolocalize(true);
                break;
#endif
            case 'u':
                bundle.setUpdate(true);
                break;
            case 'x':
                bundle.setExtending(true);
                break;
            case 'z':
                bundle.setRequireLocalization(true);
                break;
            case 'j':
                argc--;
                argv++;
                if (!argc) {
                    fprintf(stderr, "ERROR: No argument supplied for '-j' option\n");
                    wantUsage = true;
                    goto bail;
                }
                convertPath(argv[0]);
                bundle.addJarFile(argv[0]);
                break;
            case 'A':
                argc--;
                argv++;
                if (!argc) {
                    fprintf(stderr, "ERROR: No argument supplied for '-A' option\n");
                    wantUsage = true;
                    goto bail;
                }
                convertPath(argv[0]);
                bundle.setAssetSourceDir(argv[0]);
                break;
            case 'I':
                argc--;
                argv++;
                if (!argc) {
                    fprintf(stderr, "ERROR: No argument supplied for '-I' option\n");
                    wantUsage = true;
                    goto bail;
                }
                convertPath(argv[0]);
                bundle.addPackageInclude(argv[0]);
                break;
            case 'F':
                argc--;
                argv++;
                if (!argc) {
                    fprintf(stderr, "ERROR: No argument supplied for '-F' option\n");
                    wantUsage = true;
                    goto bail;
                }
                convertPath(argv[0]);
                bundle.setOutputAPKFile(argv[0]);
                break;
            case 'J':
                argc--;
                argv++;
                if (!argc) {
                    fprintf(stderr, "ERROR: No argument supplied for '-J' option\n");
                    wantUsage = true;
                    goto bail;
                }
                convertPath(argv[0]);
                bundle.setRClassDir(argv[0]);
                break;
            case 'M':
                argc--;
                argv++;
                if (!argc) {
                    fprintf(stderr, "ERROR: No argument supplied for '-M' option\n");
                    wantUsage = true;
                    goto bail;
                }
                convertPath(argv[0]);
                bundle.setAndroidManifestFile(argv[0]);
                break;
            case 'P':
                argc--;
                argv++;
                if (!argc) {
                    fprintf(stderr, "ERROR: No argument supplied for '-P' option\n");
                    wantUsage = true;
                    goto bail;
                }
                convertPath(argv[0]);
                bundle.setPublicOutputFile(argv[0]);
                break;
            case 'S':
                argc--;
                argv++;
                if (!argc) {
                    fprintf(stderr, "ERROR: No argument supplied for '-S' option\n");
                    wantUsage = true;
                    goto bail;
                }
                convertPath(argv[0]);
                bundle.addResourceSourceDir(argv[0]);
                break;
            case '0':
                argc--;
                argv++;
                if (!argc) {
                    fprintf(stderr, "ERROR: No argument supplied for '-e' option\n");
                    wantUsage = true;
                    goto bail;
                }
                if (argv[0][0] != 0) {
                    bundle.addNoCompressExtension(argv[0]);
                } else {
                    bundle.setCompressionMethod(ZipEntry::kCompressStored);
                }
                break;
            default:
                fprintf(stderr, "ERROR: Unknown flag '-%c'\n", *cp);
                wantUsage = true;
                goto bail;
            }

            cp++;
        }
        argc--;
        argv++;
    }

    /*
     * We're past the flags.  The rest all goes straight in.
     */
    bundle.setFileSpec(argv, argc);

    result = handleCommand(&bundle);

bail:
    if (wantUsage) {
        usage();
        result = 2;
    }

    //printf("--> returning %d\n", result);
    return result;
}
