Mercurial > hg > bitcoin
view src/qt/bitcoinaddressvalidator.cpp @ 3679:1e67262f9a28 draft default tip master
Mention that Qt3 tools can cause build problems
author | Jordi Gutiérrez Hermoso <jordigh@octave.org> |
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date | Tue, 23 Oct 2012 13:17:23 -0400 |
parents | 56ff97ff8aec |
children |
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#include "bitcoinaddressvalidator.h" /* Base58 characters are: "123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz" This is: - All numbers except for '0' - 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' - '0' and 'O' to 'o' */ BitcoinAddressValidator::BitcoinAddressValidator(QObject *parent) : QValidator(parent) { } QValidator::State BitcoinAddressValidator::validate(QString &input, int &pos) const { // Correction for(int idx=0; idx<input.size();) { 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()) { // 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 QValidator::State state = QValidator::Acceptable; for(int idx=0; idx<input.size(); ++idx) { int ch = input.at(idx).unicode(); if(((ch >= '0' && ch<='9') || (ch >= 'a' && ch<='z') || (ch >= 'A' && ch<='Z')) && ch != 'l' && ch != 'I' && ch != '0' && ch != 'O') { // Alphanumeric and not a 'forbidden' character } else { state = QValidator::Invalid; } } // Empty address is "intermediate" input if(input.isEmpty()) { state = QValidator::Intermediate; } return state; }