X-Git-Url: https://git.saurik.com/apple/icu.git/blobdiff_plain/73c04bcfe1096173b00431f0cdc742894b15eef0..ba516feee23ef0c2b810ac6365e88f33807caaa8:/icuSources/common/utf_impl.c?ds=sidebyside diff --git a/icuSources/common/utf_impl.c b/icuSources/common/utf_impl.c index 8f45546b..7ff990b1 100644 --- a/icuSources/common/utf_impl.c +++ b/icuSources/common/utf_impl.c @@ -1,7 +1,7 @@ /* ****************************************************************************** * -* Copyright (C) 1999-2006, International Business Machines +* Copyright (C) 1999-2011, International Business Machines * Corporation and others. All Rights Reserved. * ****************************************************************************** @@ -23,6 +23,10 @@ #endif #include "unicode/utypes.h" +#include "unicode/utf.h" +#include "unicode/utf8.h" +#include "unicode/utf_old.h" +#include "uassert.h" /* * This table could be replaced on many machines by @@ -107,11 +111,12 @@ utf8_errorValue[6]={ U_CAPI UChar32 U_EXPORT2 utf8_nextCharSafeBody(const uint8_t *s, int32_t *pi, int32_t length, UChar32 c, UBool strict) { int32_t i=*pi; - uint8_t count=UTF8_COUNT_TRAIL_BYTES(c); + uint8_t count=U8_COUNT_TRAIL_BYTES(c); + U_ASSERT(count >= 0 && count <= 5); /* U8_COUNT_TRAIL_BYTES returns value 0...5 */ if((i)+count<=(length)) { uint8_t trail, illegal=0; - UTF8_MASK_LEAD_BYTE((c), count); + U8_MASK_LEAD_BYTE((c), count); /* count==0 for illegally leading trail bytes and the illegal bytes 0xfe and 0xff */ switch(count) { /* each branch falls through to the next one */ @@ -161,12 +166,12 @@ utf8_nextCharSafeBody(const uint8_t *s, int32_t *pi, int32_t length, UChar32 c, /* correct sequence - all trail bytes have (b7..b6)==(10)? */ /* illegal is also set if count>=4 */ - if(illegal || (c)0 && UTF8_IS_TRAIL(s[i])) { + while(count>0 && U8_IS_TRAIL(s[i])) { ++(i); --count; } @@ -175,7 +180,7 @@ utf8_nextCharSafeBody(const uint8_t *s, int32_t *pi, int32_t length, UChar32 c, } else { c=U_SENTINEL; } - } else if((strict)>0 && UTF_IS_UNICODE_NONCHAR(c)) { + } else if((strict)>0 && U_IS_UNICODE_NONCHAR(c)) { /* strict: forbid non-characters like U+fffe */ c=utf8_errorValue[count]; } @@ -183,7 +188,7 @@ utf8_nextCharSafeBody(const uint8_t *s, int32_t *pi, int32_t length, UChar32 c, /* error handling */ int32_t i0=i; /* don't just set (i)=(length) in case there is an illegal sequence */ - while((i)<(length) && UTF8_IS_TRAIL(s[i])) { + while((i)<(length) && U8_IS_TRAIL(s[i])) { ++(i); } if(strict>=0) { @@ -265,14 +270,14 @@ utf8_prevCharSafeBody(const uint8_t *s, int32_t start, int32_t *pi, UChar32 c, U if((uint8_t)(b-0x80)<0x7e) { /* 0x80<=b<0xfe */ if(b&0x40) { /* lead byte, this will always end the loop */ - uint8_t shouldCount=UTF8_COUNT_TRAIL_BYTES(b); + uint8_t shouldCount=U8_COUNT_TRAIL_BYTES(b); if(count==shouldCount) { /* set the new position */ *pi=i; - UTF8_MASK_LEAD_BYTE(b, count); + U8_MASK_LEAD_BYTE(b, count); c|=(UChar32)b<=4 || c>0x10ffff || c0 && UTF_IS_UNICODE_NONCHAR(c))) { + if(count>=4 || c>0x10ffff || c0 && U_IS_UNICODE_NONCHAR(c))) { /* illegal sequence or (strict and non-character) */ if(count>=4) { count=3; @@ -351,7 +356,7 @@ utf8_back1SafeBody(const uint8_t *s, int32_t start, int32_t i) { if((uint8_t)(b-0x80)>=0x7e) { /* not 0x80<=b<0xfe */ break; } else if(b>=0xc0) { - if(UTF8_COUNT_TRAIL_BYTES(b)>=(i-I)) { + if(U8_COUNT_TRAIL_BYTES(b)>=(i-I)) { return I; } else { break;