module utf8
intrude import standard::string
+intrude import standard::file
in "C Header" `{
}
`}
+ # Returns an upper-case version of self
+ #
+ # NOTE : Works only on ASCII chars
+ # TODO : Support unicode for to_upper
+ fun to_upper: UnicodeChar import UnicodeChar.code_point `{
+ int cp = UnicodeChar_code_point(recv);
+ if(cp < 97 || cp > 122){ return recv; }
+ char* ns = malloc(2);
+ ns[1] = '\0';
+ char c = recv->ns[recv->pos];
+ ns[0] = c - 32;
+ UTF8Char* ret = malloc(sizeof(UTF8Char));
+ ret->ns = ns;
+ ret->pos = 0;
+ return ret;
+ `}
+
+ # Returns an lower-case version of self
+ #
+ # NOTE : Works only on ASCII chars
+ # TODO : Support unicode for to_upper
+ fun to_lower: UnicodeChar import UnicodeChar.code_point `{
+ int cp = UnicodeChar_code_point(recv);
+ if(cp < 65 || cp > 90){ return recv; }
+ char* ns = malloc(2);
+ ns[1] = '\0';
+ char c = recv->ns[recv->pos];
+ ns[0] = c + 32;
+ UTF8Char* ret = malloc(sizeof(UTF8Char));
+ ret->ns = ns;
+ ret->pos = 0;
+ return ret;
+ `}
+
redef fun ==(o)
do
if o isa Char then
return false
end
+ redef fun output import UnicodeChar.code_point `{
+ switch(UnicodeChar_len(recv)){
+ case 1:
+ printf("%c", recv->ns[recv->pos]);
+ break;
+ case 2:
+ printf("%c%c", recv->ns[recv->pos], recv->ns[recv->pos + 1]);
+ break;
+ case 3:
+ printf("%c%c%c", recv->ns[recv->pos], recv->ns[recv->pos + 1], recv->ns[recv->pos + 2]);
+ break;
+ case 4:
+ printf("%c%c%c%c", recv->ns[recv->pos], recv->ns[recv->pos + 1], recv->ns[recv->pos + 2], recv->ns[recv->pos + 3]);
+ break;
+ }
+ `}
+
redef fun to_s import NativeString.to_s_with_length `{
int len = utf8___UnicodeChar_len___impl(recv);
char* r = malloc(len + 1);
self.bytelen = bytelen
end
+ redef fun to_cstring
+ do
+ if real_items != null then return real_items.as(not null)
+ var new_items = new NativeString(bytelen + 1)
+ self.items.copy_to(new_items, bytelen, index[index_from].pos, 0)
+ new_items[bytelen] = '\0'
+ self.real_items = new_items
+ return new_items
+ end
+
redef fun substring(from, count)
do
assert count >= 0
redef fun reversed
do
- var native = calloc_string(self.bytelen + 1)
+ var native = new NativeString(self.bytelen + 1)
var length = self.length
var index = self.index
var pos = 0
var my_real_len = length
var my_real_fin_len = my_real_len * i
- var target_string = calloc_string((finlen) + 1)
+ var target_string = new NativeString((finlen) + 1)
var my_index = index
var new_index = new StringIndex(my_real_fin_len)
end
+ redef fun to_upper
+ do
+ var outstr = new NativeString(self.bytelen + 1)
+
+ var out_index = 0
+ var index = self.index
+ var ipos = 0
+ var max = length
+ var items = self.items
+
+ while ipos < max do
+ var u = index[ipos].to_upper
+ u.ns.copy_to(outstr, u.len, u.pos, out_index)
+ out_index += u.len
+ ipos += 1
+ end
+
+ outstr[self.bytelen] = '\0'
+
+ return outstr.to_s_with_length(self.bytelen)
+ end
+
+ redef fun to_lower
+ do
+ var outstr = new NativeString(self.bytelen + 1)
+
+ var out_index = 0
+ var index = self.index
+ var ipos = 0
+ var max = length
+ var items = self.items
+
+ while ipos < max do
+ var u = index[ipos].to_lower
+ u.ns.copy_to(outstr, u.len, u.pos, out_index)
+ out_index += u.len
+ ipos += 1
+ end
+
+ outstr[self.bytelen] = '\0'
+
+ return outstr.to_s_with_length(self.bytelen)
+ end
+
+ redef fun output
+ do
+ var i = self.index_from
+ var imax = self.index_to
+ while i <= imax do
+ index[i].output
+ i += 1
+ end
+ end
+
+end
+
+redef class FlatBuffer
+
+ # Fix for this particular implementation
+ #
+ # Since the to_s of a FlatBuffer now builds using
+ # the old String contructor, this breaks everything.
+ #
+ # This will disappear when UTF8 is fully-supported
+ redef fun to_s do
+ written = false
+ return to_cstring.to_s_with_length(length)
+ end
end
redef class NativeString
var real_len = new Container[Int](0)
var length = cstring_length
var x = make_index(length, real_len)
- var new_self = calloc_string(length + 1)
+ var new_self = new NativeString(length + 1)
copy_to(new_self, length, 0, 0)
return new FlatString.with_infos_index(new_self, real_len.item, 0, real_len.item - 1, x, length)
end
end
+
+redef class OFStream
+ redef fun write(s)
+ do
+ assert is_writable
+ if s isa FlatText then
+ if s isa FlatString then
+ write_native(s.to_cstring, s.bytelen)
+ else
+ write_native(s.to_cstring, s.length)
+ end
+ else for i in s.substrings do write_native(i.to_cstring, i.length)
+ end
+end
nitlanguage / nit.git / blobdiff