int startOfLastWordBoundaryContext(const UChar* characters, int length) {
for (int i = length; i > 0;) {
int last = i;
UChar32 ch;
U16_PREV(characters, 0, i, ch);
if (!requiresContextForWordBoundary(ch))
return last;
}
return 0;
}
int endOfFirstWordBoundaryContext(const UChar* characters, int length) {
for (int i = 0; i < length;) {
int first = i;
UChar32 ch;
U16_NEXT(characters, i, length, ch);
if (!requiresContextForWordBoundary(ch))
return first;
}
return length;
}
unsigned startOfLastWordBoundaryContext(StringView text)
{
unsigned length = text.length();
for (unsigned i = length; i > 0; ) {
unsigned last = i;
UChar32 ch;
U16_PREV(text, 0, i, ch);
if (!requiresContextForWordBoundary(ch))
return last;
}
return 0;
}
unsigned endOfFirstWordBoundaryContext(StringView text)
{
unsigned length = text.length();
for (unsigned i = 0; i < length; ) {
unsigned first = i;
UChar32 ch;
U16_NEXT(text, i, length, ch);
if (!requiresContextForWordBoundary(ch))
return first;
}
return length;
}
