#include "bitcoinaddressvalidator.h"
-#include <QDebug>
-
/* Base58 characters are:
"123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz"
This is:
- All numbers except for '0'
- - All uppercase letters except for 'I' and 'O'
- - All lowercase letters except for 'l'
+ - All upper-case letters except for 'I' and 'O'
+ - All lower-case letters except for 'l'
User friendly Base58 input can map
- 'l' and 'I' to '1'
QValidator::State BitcoinAddressValidator::validate(QString &input, int &pos) const
{
- /* Correction */
- for(int idx=0; idx<input.size(); ++idx)
+ // Correction
+ for(int idx=0; idx<input.size();)
{
- switch(input.at(idx).unicode())
+ bool removeChar = false;
+ QChar ch = input.at(idx);
+ // Corrections made are very conservative on purpose, to avoid
+ // users unexpectedly getting away with typos that would normally
+ // be detected, and thus sending to the wrong address.
+ switch(ch.unicode())
{
- case 'l':
- case 'I':
- input[idx] = QChar('1');
- break;
- case '0':
- case 'O':
- input[idx] = QChar('o');
+ // Qt categorizes these as "Other_Format" not "Separator_Space"
+ case 0x200B: // ZERO WIDTH SPACE
+ case 0xFEFF: // ZERO WIDTH NO-BREAK SPACE
+ removeChar = true;
break;
default:
break;
}
+ // Remove whitespace
+ if(ch.isSpace())
+ removeChar = true;
+ // To next character
+ if(removeChar)
+ input.remove(idx, 1);
+ else
+ ++idx;
}
- /* Validation */
+ // Validation
QValidator::State state = QValidator::Acceptable;
for(int idx=0; idx<input.size(); ++idx)
{
(ch >= 'A' && ch<='Z')) &&
ch != 'l' && ch != 'I' && ch != '0' && ch != 'O')
{
- /* Alphanumeric and not a 'forbidden' character */
+ // Alphanumeric and not a 'forbidden' character
}
else
{
}
}
+ // Empty address is "intermediate" input
+ if(input.isEmpty())
+ {
+ state = QValidator::Intermediate;
+ }
+
return state;
}