void set_is_offset(bool x) {
if (x) {
GRN_DAT_DEBUG_THROW_IF(is_offset());
value_ |= IS_OFFSET_FLAG;
} else {
GRN_DAT_DEBUG_THROW_IF(!is_offset());
value_ &= ~IS_OFFSET_FLAG;
}
}
// To reject a transition to an incomplete node, set_is_phantom() invalidates
// its label and links when it becomes non-phantom.
void set_is_phantom(bool x) {
if (x) {
GRN_DAT_DEBUG_THROW_IF(is_phantom());
value_ |= IS_PHANTOM_FLAG;
} else {
GRN_DAT_DEBUG_THROW_IF(!is_phantom());
value_ = (value_ & IS_OFFSET_FLAG) | (INVALID_LABEL << CHILD_SHIFT) |
(INVALID_LABEL << SIBLING_SHIFT) | INVALID_LABEL;
}
}
// This function returns an integer as follows:
// - a negative value if *this < rhs,
// - zero if *this == rhs,
// - a positive value if *this > rhs,
// but if the offset is too large, the result is undefined.
int compare(const String &rhs, UInt32 offset = 0) const {
GRN_DAT_DEBUG_THROW_IF(offset > length());
GRN_DAT_DEBUG_THROW_IF(offset > rhs.length());
for (UInt32 i = offset; i < length(); ++i) {
if (i >= rhs.length()) {
return 1;
} else if ((*this)[i] != rhs[i]) {
return (*this)[i] - rhs[i];
}
}
return (length() == rhs.length()) ? 0 : -1;
}
UInt32 ith_leader(UInt32 i) const {
GRN_DAT_DEBUG_THROW_IF(i > MAX_BLOCK_LEVEL);
return leaders_[i];
}
Array(void *ptr, UInt32 size) : ptr_(static_cast<T *>(ptr)), size_(size) {
GRN_DAT_DEBUG_THROW_IF((ptr == NULL) && (size != 0));
}
void set_file_size(UInt64 x) {
GRN_DAT_DEBUG_THROW_IF(x > MAX_FILE_SIZE);
file_size_ = x;
}
const Block &ith_block(UInt32 i) const {
GRN_DAT_DEBUG_THROW_IF(i >= num_blocks());
return blocks_[i];
}
void set_offset(UInt32 x) {
GRN_DAT_DEBUG_THROW_IF((x & IS_LINKER_FLAG) != 0);
GRN_DAT_DEBUG_THROW_IF(x > MAX_OFFSET);
value_ = x;
}
const UInt8 &operator[](UInt32 i) const {
GRN_DAT_DEBUG_THROW_IF(i >= length_);
return ptr_[i];
}
void set_num_zombies(UInt32 x) {
GRN_DAT_DEBUG_THROW_IF(x > max_num_nodes());
num_zombies_ = x;
}
UInt32 offset() const {
GRN_DAT_DEBUG_THROW_IF(is_linker());
return value_;
}
void set_max_num_keys(UInt32 x) {
GRN_DAT_DEBUG_THROW_IF(x > MAX_NUM_KEYS);
max_num_keys_ = x;
}
void set_num_phantoms(UInt32 x) {
GRN_DAT_DEBUG_THROW_IF(x > max_num_nodes());
num_phantoms_ = x;
}
void set_max_key_id(UInt32 x) {
GRN_DAT_DEBUG_THROW_IF(x > MAX_KEY_ID);
max_key_id_ = x;
}
void set_next_key_id(UInt32 x) {
GRN_DAT_DEBUG_THROW_IF((x - 1) > MAX_KEY_ID);
next_key_id_ = x;
}
void set_total_key_length(UInt32 x) {
GRN_DAT_DEBUG_THROW_IF(x > MAX_TOTAL_KEY_LENGTH);
total_key_length_ = x;
}
T &operator[](UInt32 i) {
GRN_DAT_DEBUG_THROW_IF(i >= size_);
return ptr_[i];
}
void set_num_blocks(UInt32 x) {
GRN_DAT_DEBUG_THROW_IF(x > max_num_blocks());
num_blocks_ = x;
}
void assign(void *ptr, UInt32 size) {
GRN_DAT_DEBUG_THROW_IF((ptr == NULL) && (size != 0));
ptr_ = static_cast<T *>(ptr);
size_ = size;
}
void set_max_num_blocks(UInt32 x) {
GRN_DAT_DEBUG_THROW_IF(x > MAX_NUM_BLOCKS);
max_num_blocks_ = x;
}
UInt32 key_pos() const {
GRN_DAT_DEBUG_THROW_IF(!is_linker());
return value_ & ~IS_LINKER_FLAG;
}
T &operator[](UInt32 i) {
GRN_DAT_DEBUG_THROW_IF(i >= size());
return buf_[i];
}
void set_key_pos(UInt32 x) {
GRN_DAT_DEBUG_THROW_IF((x & IS_LINKER_FLAG) != 0);
GRN_DAT_DEBUG_THROW_IF(x > MAX_OFFSET);
value_ = IS_LINKER_FLAG | x;
}
T &back() {
GRN_DAT_DEBUG_THROW_IF(empty());
return buf_[size() - 1];
}
void set_next_key_pos(UInt32 x) {
GRN_DAT_DEBUG_THROW_IF(x > key_buf_size());
next_key_pos_ = x;
}
const Entry &ith_entry(UInt32 i) const {
GRN_DAT_DEBUG_THROW_IF(i < min_key_id());
GRN_DAT_DEBUG_THROW_IF(i > max_key_id());
return entries_[i];
}
T &front() {
GRN_DAT_DEBUG_THROW_IF(empty());
return buf_[0];
}
void set_key_buf_size(UInt32 x) {
GRN_DAT_DEBUG_THROW_IF(x > MAX_KEY_BUF_SIZE);
key_buf_size_ = x;
}
void pop_back() {
GRN_DAT_DEBUG_THROW_IF(empty());
back().~T();
--size_;
}
void set_ith_leader(UInt32 i, UInt32 x) {
GRN_DAT_DEBUG_THROW_IF(i > MAX_BLOCK_LEVEL);
GRN_DAT_DEBUG_THROW_IF((x != INVALID_LEADER) && (x >= num_blocks()));
leaders_[i] = x;
}