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#include "unicoderange.h"
#include <stdlib.h>
#include <string.h>
static unsigned int hex2int(char* s){
int res=0;
int i=0, mul=1;
while(s[i+1]!='\0') i++;
while(i>=0){
if (s[i] > '9') res += mul * (s[i]-'A'+10);
else res += mul * (s[i]-'0');
i--;
mul*=16;
}
return res;
}
UnicodeRange::UnicodeRange(const gchar* value){
if (!value) return;
gchar* val = (gchar*) value;
while(val[0] != '\0'){
if (val[0]=='U' && val[1]=='+'){
val += add_range(val);
} else {
// g_warning("adding unichar. unichar=%c", g_utf8_get_char(&val[0]));
this->unichars.push_back(g_utf8_get_char(&val[0]));
val++;
}
//skip spaces or commas
while(val[0]==' ' || val[0]==',') val++;
}
}
int
UnicodeRange::add_range(gchar* val){
Urange r;
//U+
val+=2;
int i=0, count=2;
while(val[i]!='\0' && val[i]!='-' && val[i]!=' ' && val[i]!=',') i++;
r.start = (gchar*) malloc((i+1)*sizeof(gchar*));
strncpy(r.start, val, i);
r.start[i] = '\0';
val+=i;
count+=i;
i=0;
if (val[0]=='-'){
val++;
while(val[i]!='\0' && val[i]!='-' && val[i]!=' ' && val[i]!=',') i++;
r.end = (gchar*) malloc((i+1)*sizeof(gchar*));
strncpy(r.end, val, i);
r.end[i] = '\0';
val+=i;
count+=i;
} else {
r.end=NULL;
}
// g_warning("adding range. from %s to %s", r.start, r.end);
this->range.push_back(r);
return count+1;
}
bool UnicodeRange::contains(gchar unicode){
for(unsigned int i=0;i<this->unichars.size();i++){
if ((gunichar) unicode == this->unichars[i]) return true;
}
unsigned int unival;
unival = g_utf8_get_char (&unicode);
// g_warning("unival=%d", unival);
char uni[9] = "00000000";
uni[8]= '\0';
unsigned char val;
for (unsigned int i=7; unival>0; i--){
val = unival & 0xf;
unival = unival >> 4;
if (val < 10) uni[i] = '0' + val;
else uni[i] = 'A'+ val - 10;
}
// g_warning("uni=%s", uni);
bool found;
for(unsigned int i=0;i<this->range.size();i++){
Urange r = this->range[i];
if (r.end){
// g_warning("hex2int: start=%d", hex2int(r.start));
// g_warning("hex2int: end=%d", hex2int(r.end));
if (unival >= hex2int(r.start) && unival <= hex2int(r.end)) return true;
} else {
found = true;
for (int pos=0;pos<8;pos++){
if (uni[pos]!='?' && uni[pos]!=r.start[pos]) found = false;
}
if (found) return true;
}
}
return false;
}
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