C++ ZipEntry::getFileName方法代码示例

/*
 * Find an entry by name.
 */
ZipEntry* ZipFile::getEntryByName(const char* fileName) const
{
    /*
     * Do a stupid linear string-compare search.
     *
     * There are various ways to speed this up, especially since it's rare
     * to intermingle changes to the archive with "get by name" calls.  We
     * don't want to sort the mEntries vector itself, however, because
     * it's used to recreate the Central Directory.
     *
     * (Hash table works, parallel list of pointers in sorted order is good.)
     */
    int idx;

    for (idx = mEntries.size()-1; idx >= 0; idx--) {
        ZipEntry* pEntry = mEntries[idx];
        if (!pEntry->getDeleted() &&
            strcmp(fileName, pEntry->getFileName()) == 0)
        {
            return pEntry;
        }
    }

    return NULL;
}

ssize_t processJarFile(ZipFile* jar, ZipFile* out)
{
    size_t N = jar->getNumEntries();
    size_t count = 0;
    for (size_t i=0; i<N; i++) {
        ZipEntry* entry = jar->getEntryByIndex(i);
        const char* storageName = entry->getFileName();
        if (endsWith(storageName, ".class")) {
            int compressionMethod = entry->getCompressionMethod();
            size_t size = entry->getUncompressedLen();
            const void* data = jar->uncompress(entry);
            if (data == NULL) {
                fprintf(stderr, "ERROR: unable to uncompress entry '%s'\n",
                    storageName);
                return -1;
            }
            out->add(data, size, storageName, compressionMethod, NULL);
            free((void*)data);
        }
        count++;
    }
    return count;
}

//.........这里部分代码省略.........
        goto bail;
    }

    if (bundle->getVerbose()) {
        printf("Generated %d file%s\n", count, (count==1) ? "" : "s");
    }
    
    count = processJarFiles(bundle, zip);
    if (count < 0) {
        fprintf(stderr, "ERROR: unable to process jar files while packaging '%s'\n",
                outputFile.string());
        result = count;
        goto bail;
    }
    
    if (bundle->getVerbose())
        printf("Included %d file%s from jar/zip files.\n", count, (count==1) ? "" : "s");
    
    result = NO_ERROR;

    /*
     * Check for cruft.  We set the "marked" flag on all entries we created
     * or decided not to update.  If the entry isn't already slated for
     * deletion, remove it now.
     */
    {
        if (bundle->getVerbose())
            printf("Checking for deleted files\n");
        int i, removed = 0;
        for (i = 0; i < zip->getNumEntries(); i++) {
            ZipEntry* entry = zip->getEntryByIndex(i);

            if (!entry->getMarked() && entry->getDeleted()) {
                if (bundle->getVerbose()) {
                    printf("      (removing crufty '%s')\n",
                        entry->getFileName());
                }
                zip->remove(entry);
                removed++;
            }
        }
        if (bundle->getVerbose() && removed > 0)
            printf("Removed %d file%s\n", removed, (removed==1) ? "" : "s");
    }

    /* tell Zip lib to process deletions and other pending changes */
    result = zip->flush();
    if (result != NO_ERROR) {
        fprintf(stderr, "ERROR: Zip flush failed, archive may be hosed\n");
        goto bail;
    }

    /* anything here? */
    if (zip->getNumEntries() == 0) {
        if (bundle->getVerbose()) {
            printf("Archive is empty -- removing %s\n", outputFile.getPathLeaf().string());
        }
        delete zip;        // close the file so we can remove it in Win32
        zip = NULL;
        if (unlink(outputFile.string()) != 0) {
            fprintf(stderr, "warning: could not unlink '%s'\n", outputFile.string());
        }
    }

    // If we've been asked to generate a dependency file for the .ap_ package,
    // do so here
    if (bundle->getGenDependencies()) {
        // The dependency file gets output to the same directory
        // as the specified output file with an additional .d extension.
        // e.g. bin/resources.ap_.d
        String8 dependencyFile = outputFile;
        dependencyFile.append(".d");

        FILE* fp = fopen(dependencyFile.string(), "a");
        // Add this file to the dependency file
        fprintf(fp, "%s \\\n", outputFile.string());
        fclose(fp);
    }

    assert(result == NO_ERROR);

bail:
    delete zip;        // must close before remove in Win32
    if (result != NO_ERROR) {
        if (bundle->getVerbose()) {
            printf("Removing %s due to earlier failures\n", outputFile.string());
        }
        if (unlink(outputFile.string()) != 0) {
            fprintf(stderr, "warning: could not unlink '%s'\n", outputFile.string());
        }
    }

    if (result == NO_ERROR && bundle->getVerbose())
        printf("Done!\n");

    #if BENCHMARK
    fprintf(stdout, "BENCHMARK: End APK Bundling. Time Elapsed: %f ms \n",(clock() - startAPKTime)/1000.0);
    #endif /* BENCHMARK */
    return result;
}

//.........这里部分代码省略.........

    status_t status;
    zip = new ZipFile;
    status = zip->open(outputFile.string(), ZipFile::kOpenReadWrite | ZipFile::kOpenCreate);
    if (status != NO_ERROR) {
        fprintf(stderr, "ERROR: unable to open '%s' as Zip file for writing\n",
                outputFile.string());
        goto bail;
    }

    if (bundle->getVerbose()) {
        printf("Writing all files...\n");
    }

    count = processAssets(bundle, zip, assets);
    if (count < 0) {
        fprintf(stderr, "ERROR: unable to process assets while packaging '%s'\n",
                outputFile.string());
        result = count;
        goto bail;
    }

    if (bundle->getVerbose()) {
        printf("Generated %d file%s\n", count, (count==1) ? "" : "s");
    }
    
    count = processJarFiles(bundle, zip);
    if (count < 0) {
        fprintf(stderr, "ERROR: unable to process jar files while packaging '%s'\n",
                outputFile.string());
        result = count;
        goto bail;
    }
    
    if (bundle->getVerbose())
        printf("Included %d file%s from jar/zip files.\n", count, (count==1) ? "" : "s");
    
    result = NO_ERROR;

    /*
     * Check for cruft.  We set the "marked" flag on all entries we created
     * or decided not to update.  If the entry isn't already slated for
     * deletion, remove it now.
     */
    {
        if (bundle->getVerbose())
            printf("Checking for deleted files\n");
        int i, removed = 0;
        for (i = 0; i < zip->getNumEntries(); i++) {
            ZipEntry* entry = zip->getEntryByIndex(i);

            if (!entry->getMarked() && entry->getDeleted()) {
                if (bundle->getVerbose()) {
                    printf("      (removing crufty '%s')\n",
                        entry->getFileName());
                }
                zip->remove(entry);
                removed++;
            }
        }
        if (bundle->getVerbose() && removed > 0)
            printf("Removed %d file%s\n", removed, (removed==1) ? "" : "s");
    }

    /* tell Zip lib to process deletions and other pending changes */
    result = zip->flush();
    if (result != NO_ERROR) {
        fprintf(stderr, "ERROR: Zip flush failed, archive may be hosed\n");
        goto bail;
    }

    /* anything here? */
    if (zip->getNumEntries() == 0) {
        if (bundle->getVerbose()) {
            printf("Archive is empty -- removing %s\n", outputFile.getPathLeaf().string());
        }
        delete zip;        // close the file so we can remove it in Win32
        zip = NULL;
        if (unlink(outputFile.string()) != 0) {
            fprintf(stderr, "WARNING: could not unlink '%s'\n", outputFile.string());
        }
    }

    assert(result == NO_ERROR);

bail:
    delete zip;        // must close before remove in Win32
    if (result != NO_ERROR) {
        if (bundle->getVerbose()) {
            printf("Removing %s due to earlier failures\n", outputFile.string());
        }
        if (unlink(outputFile.string()) != 0) {
            fprintf(stderr, "WARNING: could not unlink '%s'\n", outputFile.string());
        }
    }

    if (result == NO_ERROR && bundle->getVerbose())
        printf("Done!\n");
    return result;
}

/*
 * The directory hierarchy looks like this:
 * "outputDir" and "assetRoot" are existing directories.
 *
 * On success, "bundle->numPackages" will be the number of Zip packages
 * we created.
 */
status_t writeAPK(Bundle* bundle, ZipFile* zip, const char* outputFileName,
                    const sp<OutputSet>& outputSet, bool isOverlay)
{
    status_t result = NO_ERROR;
    int count;

    if (bundle->getVerbose()) {
        printf("Writing all files...\n");
    }

    count = processAssets(bundle, zip, outputSet, isOverlay);
    if (count < 0) {
        fprintf(stderr, "ERROR: unable to process assets while packaging '%s'\n",
                outputFileName);
        result = count;
        goto bail;
    }

    if (bundle->getVerbose()) {
        printf("Generated %d file%s\n", count, (count==1) ? "" : "s");
    }

    if (!isOverlay) {
        count = processJarFiles(bundle, zip);
        if (count < 0) {
            fprintf(stderr, "ERROR: unable to process jar files while packaging '%s'\n",
                    outputFileName);
            result = count;
            goto bail;
        }

        if (bundle->getVerbose())
            printf("Included %d file%s from jar/zip files.\n", count, (count==1) ? "" : "s");
    }

    result = NO_ERROR;

    /*
     * Check for cruft.  We set the "marked" flag on all entries we created
     * or decided not to update.  If the entry isn't already slated for
     * deletion, remove it now.
     */
    {
        if (bundle->getVerbose())
            printf("Checking for deleted files\n");
        int i, removed = 0;
        for (i = 0; i < zip->getNumEntries(); i++) {
            ZipEntry* entry = zip->getEntryByIndex(i);

            if (!entry->getMarked() && entry->getDeleted()) {
                if (bundle->getVerbose()) {
                    printf("      (removing crufty '%s')\n",
                        entry->getFileName());
                }
                zip->remove(entry);
                removed++;
            }
        }
        if (bundle->getVerbose() && removed > 0)
            printf("Removed %d file%s\n", removed, (removed==1) ? "" : "s");
    }

    /* tell Zip lib to process deletions and other pending changes */
    result = zip->flush();
    if (result != NO_ERROR) {
        fprintf(stderr, "ERROR: Zip flush failed, archive may be hosed\n");
        goto bail;
    }

bail:
    return result;
}