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Fix the spellfix1_scriptcode() function to ignore whitespace and punctuation,

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and to recognize hebrew and arabic scripts.

FossilOrigin-Name: 7adfa4a5794e47f97491c08abeaaac90e826b331
This commit is contained in:
drh
2015-12-17 14:18:21 +00:00
parent 5732671db9
commit 1db0a72be2
4 changed files with 60 additions and 9 deletions
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10
ext/misc/spellfix.c
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@ -1717,17 +1717,23 @@ static void scriptCodeSqlFunc(
# define SCRIPT_LATIN 0x0001
# define SCRIPT_CYRILLIC 0x0002
# define SCRIPT_GREEK 0x0004
# define SCRIPT_HEBREW 0x0008
# define SCRIPT_ARABIC 0x0010
while( nIn>0 ){
c = utf8Read(zIn, nIn, &sz);
zIn += sz;
nIn -= sz;
if( c<0x02af ){
if( c<0x02af && (c>=0x80 || midClass[c&0x7f]<CCLASS_DIGIT) ){
scriptMask |= SCRIPT_LATIN;
}else if( c>=0x0400 && c<=0x04ff ){
scriptMask |= SCRIPT_CYRILLIC;
}else if( c>=0x0386 && c<=0x03ce ){
scriptMask |= SCRIPT_GREEK;
}else if( c>=0x0590 && c<=0x05ff ){
scriptMask |= SCRIPT_HEBREW;
}else if( c>=0x0600 && c<=0x06ff ){
scriptMask |= SCRIPT_ARABIC;
}
}
switch( scriptMask ){
@ -1735,6 +1741,8 @@ static void scriptCodeSqlFunc(
case SCRIPT_LATIN: res = 215; break;
case SCRIPT_CYRILLIC: res = 220; break;
case SCRIPT_GREEK: res = 200; break;
case SCRIPT_HEBREW: res = 125; break;
case SCRIPT_ARABIC: res = 160; break;
default: res = 998; break;
}
sqlite3_result_int(context, res);