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Update FormatSpec.java 

Change-Id: I27d14697f931c9511420a459c49312ea6e10c366
main
Keisuke Kuroyanagi 2014-08-21 17:23:11 +09:00
parent ed798fa308
commit c7b6393535
1 changed files with 10 additions and 83 deletions
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93
java/src/com/android/inputmethod/latin/makedict/FormatSpec.java
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@ -36,9 +36,7 @@ public final class FormatSpec {
* sion
*
* o |
* p | not used 3 bits
* t | each unigram and bigram entry has a time stamp?
* i | 1 bit, 1 = yes, 0 = no : CONTAINS_TIMESTAMP_FLAG
* p | not used, 2 bytes.
* o |
* nflags
*
@ -48,7 +46,7 @@ public final class FormatSpec {
* d |
* ersize
*
* | attributes list
* attributes list
*
* attributes list is:
* <key> = | string of characters at the char format described below, with the terminator used
@ -86,11 +84,10 @@ public final class FormatSpec {
*/
/* Node (FusionDictionary.PtNode) layout is as follows:
* | is moved ? 2 bits, 11 = no : FLAG_IS_NOT_MOVED
* | This must be the same as FLAG_CHILDREN_ADDRESS_TYPE_THREEBYTES
* | 01 = yes : FLAG_IS_MOVED
* f | the new address is stored in the same place as the parent address
* l | is deleted? 10 = yes : FLAG_IS_DELETED
* | CHILDREN_ADDRESS_TYPE 2 bits, 11 : FLAG_CHILDREN_ADDRESS_TYPE_THREEBYTES
* | 10 : FLAG_CHILDREN_ADDRESS_TYPE_TWOBYTES
* f | 01 : FLAG_CHILDREN_ADDRESS_TYPE_ONEBYTE
* l | 00 : FLAG_CHILDREN_ADDRESS_TYPE_NOADDRESS
* a | has several chars ? 1 bit, 1 = yes, 0 = no : FLAG_HAS_MULTIPLE_CHARS
* g | has a terminal ? 1 bit, 1 = yes, 0 = no : FLAG_IS_TERMINAL
* s | has shortcut targets ? 1 bit, 1 = yes, 0 = no : FLAG_HAS_SHORTCUT_TARGETS
@ -98,16 +95,6 @@ public final class FormatSpec {
* | is not a word ? 1 bit, 1 = yes, 0 = no : FLAG_IS_NOT_A_WORD
* | is blacklisted ? 1 bit, 1 = yes, 0 = no : FLAG_IS_BLACKLISTED
*
* p |
* a | parent address, 3byte
* r | 1 byte = bbbbbbbb match
* e | case 1xxxxxxx => -((0xxxxxxx << 16) + (next byte << 8) + next byte)
* n | otherwise => (bbbbbbbb << 16) + (next byte << 8) + next byte
* t | This address is relative to the head of the PtNode.
* a | If the node doesn't have a parent, this field is set to 0.
* d |
* dress
*
* c | IF FLAG_HAS_MULTIPLE_CHARS
* h | char, char, char, char n * (1 or 3 bytes) : use PtNodeInfo for i/o helpers
* a | end 1 byte, = 0
@ -121,15 +108,10 @@ public final class FormatSpec {
* q |
*
* c |
* h | children address, 3 bytes
* i | 1 byte = bbbbbbbb match
* l | case 1xxxxxxx => -((0xxxxxxx << 16) + (next byte << 8) + next byte)
* d | otherwise => (bbbbbbbb<<16) + (next byte << 8) + next byte
* r | if this node doesn't have children, this field is set to 0.
* e | (see BinaryDictEncoderUtils#writeVariableSignedAddress)
* n | This address is relative to the position of this field.
* a |
* ddress
* h | children address, CHILDREN_ADDRESS_TYPE bytes
* i | This address is relative to the position of this field.
* l |
* drenaddress
*
* | IF FLAG_IS_TERMINAL && FLAG_HAS_SHORTCUT_TARGETS
* | shortcut string list
@ -179,8 +161,6 @@ public final class FormatSpec {
public static final int MAGIC_NUMBER = 0x9BC13AFE;
static final int NOT_A_VERSION_NUMBER = -1;
static final int FIRST_VERSION_WITH_DYNAMIC_UPDATE = 3;
static final int FIRST_VERSION_WITH_TERMINAL_ID = 4;
// These MUST have the same values as the relevant constants in format_utils.h.
// From version 4 on, we use version * 100 + revision as a version number. That allows
@ -202,9 +182,6 @@ public final class FormatSpec {
// use it in the reading code.
static final int MAX_WORD_LENGTH = Constants.DICTIONARY_MAX_WORD_LENGTH;
static final int PARENT_ADDRESS_SIZE = 3;
static final int FORWARD_LINK_ADDRESS_SIZE = 3;
// These flags are used only in the static dictionary.
static final int MASK_CHILDREN_ADDRESS_TYPE = 0xC0;
static final int FLAG_CHILDREN_ADDRESS_TYPE_NOADDRESS = 0x00;
@ -220,13 +197,6 @@ public final class FormatSpec {
static final int FLAG_IS_NOT_A_WORD = 0x02;
static final int FLAG_IS_BLACKLISTED = 0x01;
// These flags are used only in the dynamic dictionary.
static final int MASK_MOVE_AND_DELETE_FLAG = 0xC0;
static final int FIXED_BIT_OF_DYNAMIC_UPDATE_MOVE = 0x40;
static final int FLAG_IS_MOVED = 0x00 | FIXED_BIT_OF_DYNAMIC_UPDATE_MOVE;
static final int FLAG_IS_NOT_MOVED = 0x80 | FIXED_BIT_OF_DYNAMIC_UPDATE_MOVE;
static final int FLAG_IS_DELETED = 0x80;
static final int FLAG_BIGRAM_SHORTCUT_ATTR_HAS_NEXT = 0x80;
static final int FLAG_BIGRAM_ATTR_OFFSET_NEGATIVE = 0x40;
static final int MASK_BIGRAM_ATTR_ADDRESS_TYPE = 0x30;
@ -240,52 +210,12 @@ public final class FormatSpec {
static final int PTNODE_TERMINATOR_SIZE = 1;
static final int PTNODE_FLAGS_SIZE = 1;
static final int PTNODE_FREQUENCY_SIZE = 1;
static final int PTNODE_TERMINAL_ID_SIZE = 4;
static final int PTNODE_MAX_ADDRESS_SIZE = 3;
static final int PTNODE_ATTRIBUTE_FLAGS_SIZE = 1;
static final int PTNODE_ATTRIBUTE_MAX_ADDRESS_SIZE = 3;
static final int PTNODE_SHORTCUT_LIST_SIZE_SIZE = 2;
// These values are used only by version 4 or later. They MUST match the definitions in
// ver4_dict_constants.cpp.
static final String TRIE_FILE_EXTENSION = ".trie";
public static final String HEADER_FILE_EXTENSION = ".header";
static final String FREQ_FILE_EXTENSION = ".freq";
// tat = Terminal Address Table
static final String TERMINAL_ADDRESS_TABLE_FILE_EXTENSION = ".tat";
static final String BIGRAM_FILE_EXTENSION = ".bigram";
static final String SHORTCUT_FILE_EXTENSION = ".shortcut";
static final String LOOKUP_TABLE_FILE_SUFFIX = "_lookup";
static final String CONTENT_TABLE_FILE_SUFFIX = "_index";
static final int FLAGS_IN_FREQ_FILE_SIZE = 1;
static final int FREQUENCY_AND_FLAGS_SIZE = 2;
static final int TERMINAL_ADDRESS_TABLE_ADDRESS_SIZE = 3;
static final int UNIGRAM_TIMESTAMP_SIZE = 4;
static final int UNIGRAM_COUNTER_SIZE = 1;
static final int UNIGRAM_LEVEL_SIZE = 1;
// With the English main dictionary as of October 2013, the size of bigram address table is
// is 345KB with the block size being 16.
// This is 54% of that of full address table.
static final int BIGRAM_ADDRESS_TABLE_BLOCK_SIZE = 16;
static final int BIGRAM_CONTENT_COUNT = 1;
static final int BIGRAM_FREQ_CONTENT_INDEX = 0;
static final String BIGRAM_FREQ_CONTENT_ID = "_freq";
static final int BIGRAM_TIMESTAMP_SIZE = 4;
static final int BIGRAM_COUNTER_SIZE = 1;
static final int BIGRAM_LEVEL_SIZE = 1;
static final int SHORTCUT_CONTENT_COUNT = 1;
static final int SHORTCUT_CONTENT_INDEX = 0;
// With the English main dictionary as of October 2013, the size of shortcut address table is
// 26KB with the block size being 64.
// This is only 4.4% of that of full address table.
static final int SHORTCUT_ADDRESS_TABLE_BLOCK_SIZE = 64;
static final String SHORTCUT_CONTENT_ID = "_shortcut";
static final int NO_CHILDREN_ADDRESS = Integer.MIN_VALUE;
static final int NO_PARENT_ADDRESS = 0;
static final int NO_FORWARD_LINK_ADDRESS = 0;
static final int INVALID_CHARACTER = -1;
static final int MAX_PTNODES_FOR_ONE_BYTE_PTNODE_COUNT = 0x7F; // 127
@ -302,14 +232,11 @@ public final class FormatSpec {
// This option needs to be the same numeric value as the one in binary_format.h.
static final int NOT_VALID_WORD = -99;
static final int SIGNED_CHILDREN_ADDRESS_SIZE = 3;
static final int UINT8_MAX = 0xFF;
static final int UINT16_MAX = 0xFFFF;
static final int UINT24_MAX = 0xFFFFFF;
static final int SINT24_MAX = 0x7FFFFF;
static final int MSB8 = 0x80;
static final int MSB24 = 0x800000;
/**
* Options about file format.