C++ (Cpp) String8::walkPath示例

示例#1

sp<AaptDir> AaptDir::makeDir(const String8& path)
{
    String8 name;
    String8 remain = path;

    sp<AaptDir> subdir = this;
    while (name = remain.walkPath(&remain), remain != "") {
        subdir = subdir->makeDir(name);
    }

    ssize_t i = subdir->mDirs.indexOfKey(name);
    if (i >= 0) {
        return subdir->mDirs.valueAt(i);
    }
    sp<AaptDir> dir = new AaptDir(name, subdir->mPath.appendPathCopy(name));
    subdir->mDirs.add(name, dir);
    return dir;
}

示例#2

ssize_t
AaptAssets::slurpResourceZip(Bundle* bundle, const char* filename)
{
    int count = 0;
    SortedVector<AaptGroupEntry> entries;

    ZipFile* zip = new ZipFile;
    status_t err = zip->open(filename, ZipFile::kOpenReadOnly);
    if (err != NO_ERROR) {
        fprintf(stderr, "error opening zip file %s\n", filename);
        count = err;
        delete zip;
        return -1;
    }

    const int N = zip->getNumEntries();
    for (int i=0; i<N; i++) {
        ZipEntry* entry = zip->getEntryByIndex(i);
        if (entry->getDeleted()) {
            continue;
        }

        String8 entryName(entry->getFileName());

        String8 dirName = entryName.getPathDir();
        sp<AaptDir> dir = dirName == "" ? this : makeDir(dirName);

        String8 resType;
        AaptGroupEntry kind;

        String8 remain;
        if (entryName.walkPath(&remain) == kResourceDir) {
            // these are the resources, pull their type out of the directory name
            kind.initFromDirName(remain.walkPath().string(), &resType);
        } else {
            // these are untyped and don't have an AaptGroupEntry
        }
        if (entries.indexOf(kind) < 0) {
            entries.add(kind);
            mGroupEntries.add(kind);
        }

        // use the one from the zip file if they both exist.
        dir->removeFile(entryName.getPathLeaf());

        sp<AaptFile> file = new AaptFile(entryName, kind, resType);
        status_t err = dir->addLeafFile(entryName.getPathLeaf(), file);
        if (err != NO_ERROR) {
            fprintf(stderr, "err=%s entryName=%s\n", strerror(err), entryName.string());
            count = err;
            goto bail;
        }
        file->setCompressionMethod(entry->getCompressionMethod());

#if 0
        if (entryName == "AndroidManifest.xml") {
            printf("AndroidManifest.xml\n");
        }
        printf("\n\nfile: %s\n", entryName.string());
#endif

        size_t len = entry->getUncompressedLen();
        void* data = zip->uncompress(entry);
        void* buf = file->editData(len);
        memcpy(buf, data, len);

#if 0
        const int OFF = 0;
        const unsigned char* p = (unsigned char*)data;
        const unsigned char* end = p+len;
        p += OFF;
        for (int i=0; i<32 && p < end; i++) {
            printf("0x%03x ", i*0x10 + OFF);
            for (int j=0; j<0x10 && p < end; j++) {
                printf(" %02x", *p);
                p++;
            }
            printf("\n");
        }
#endif

        free(data);

        count++;
    }

bail:
    delete zip;
    return count;
}