Magic-Mirror/gecko-dev
1
0
Fork 0
mirror of https://github.com/mozilla/gecko-dev.git synced 2024-11-26 06:11:37 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

#118000 support unicode plane 1 characters

Browse Source 
r=ftang, sr=attinasi
this part fix the line breaker. Surrogate pair should be be separated.
This commit is contained in:
shanjian%netscape.com 2002-01-16 00:03:16 +00:00
parent 135a83854c
commit 9952745848
1 changed files with 6 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
intl/lwbrk/src/nsJISx4501LineBreaker.cpp
View File

@ -374,6 +374,9 @@ PRInt8 nsJISx4501LineBreaker::ContextualAnalysis(
return this->GetClass(cur);
}
#define IS_HIGH_SURROGATE(u) ((PRUnichar)(u) >= (PRUnichar)0xd800 && (PRUnichar)(u) <= (PRUnichar)0xdbff)
#define IS_LOW_SURROGATE(u) ((PRUnichar)(u) >= (PRUnichar)0xdc00 && (PRUnichar)(u) <= (PRUnichar)0xdfff)
NS_IMETHODIMP nsJISx4501LineBreaker::BreakInBetween(
const PRUnichar* aText1 , PRUint32 aTextLen1,
const PRUnichar* aText2 , PRUint32 aTextLen2,
@ -384,7 +387,9 @@ NS_IMETHODIMP nsJISx4501LineBreaker::BreakInBetween(
if((nsnull == aText1) || (nsnull == aText2 ))
return NS_ERROR_NULL_POINTER;
if((0 == aTextLen1) || (0==aTextLen2))
if((0 == aTextLen1) || (0==aTextLen2) ||
IS_HIGH_SURROGATE(aText1[aTextLen1-1]) &&
IS_LOW_SURROGATE(aText2[0]) ) //Do not separate a surrogate pair
{
*oCanBreak = PR_FALSE;
return NS_OK;