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authorYuichiro Hanada <yhanada@google.com>2012-09-20 16:21:40 +0900
committerYuichiro Hanada <yhanada@google.com>2012-09-25 12:55:14 +0900
commit8ec0064c49e80945dbe1bb31129eb890478b7e06 (patch)
treeb89827111272581a8a0199e5a972ec2611e7d3d1 /java/src/com/android/inputmethod/latin/makedict/FormatSpec.java
parent0d4d109621ba8cabe0863142513fa8be07d52576 (diff)
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latinime-8ec0064c49e80945dbe1bb31129eb890478b7e06.tar.xz
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Make children addresses and parent addresses use signed addresses.
Signed addresses are used only in version 3 with dynamic update. bug: 6669677 Change-Id: Iadaeab199b5019d2330b4573c24da74d64f0945e
Diffstat (limited to 'java/src/com/android/inputmethod/latin/makedict/FormatSpec.java')
-rw-r--r--java/src/com/android/inputmethod/latin/makedict/FormatSpec.java21
1 files changed, 13 insertions, 8 deletions
diff --git a/java/src/com/android/inputmethod/latin/makedict/FormatSpec.java b/java/src/com/android/inputmethod/latin/makedict/FormatSpec.java
index 63a61b46f..cab0661f6 100644
--- a/java/src/com/android/inputmethod/latin/makedict/FormatSpec.java
+++ b/java/src/com/android/inputmethod/latin/makedict/FormatSpec.java
@@ -42,11 +42,13 @@ public final class FormatSpec {
* ps
*
* f |
- * o | IF HAS_LINKEDLIST_NODE (defined in the file header)
+ * o | IF SUPPORTS_DYNAMIC_UPDATE (defined in the file header)
* r | forward link address, 3byte
- * w | the address must be positive.
- * a |
- * rdlinkaddress
+ * w | 1 byte = bbbbbbbb match
+ * a | case 1xxxxxxx => -((xxxxxxx << 16) + (next byte << 8) + next byte)
+ * r | otherwise => (xxxxxxx << 16) + (next byte << 8) + next byte
+ * d |
+ * linkaddress
*/
/* Node(CharGroup) layout is as follows:
@@ -63,11 +65,13 @@ public final class FormatSpec {
* | is blacklisted ? 1 bit, 1 = yes, 0 = no : FLAG_IS_BLACKLISTED
*
* p |
- * a | IF HAS_PARENT_ADDRESS (defined in the file header)
+ * a | IF SUPPORTS_DYNAMIC_UPDATE (defined in the file header)
* r | parent address, 3byte
- * e | the address must be negative, so the absolute value of the address is stored.
- * n |
- * taddress
+ * e | 1 byte = bbbbbbbb match
+ * n | case 1xxxxxxx => -((0xxxxxxx << 16) + (next byte << 8) + next byte)
+ * t | otherwise => (bbbbbbbb << 16) + (next byte << 8) + next byte
+ * a |
+ * ddress
*
* c | IF FLAG_HAS_MULTIPLE_CHARS
* h | char, char, char, char n * (1 or 3 bytes) : use CharGroupInfo for i/o helpers
@@ -206,6 +210,7 @@ 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;
/**
* Options about file format.