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author | Gavin Andresen <gavinandresen@gmail.com> | 2011-09-26 06:05:11 -0700 |
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committer | Gavin Andresen <gavinandresen@gmail.com> | 2011-09-26 06:05:11 -0700 |
commit | f7f2a36925bb560363f691fc3ca3dec83830dd15 (patch) | |
tree | c09327d910abe4e7947c53dcbb5f15b01ab194c1 /src/qt/bitcoinaddressvalidator.cpp | |
parent | f8937b2d3bb545a0a6ff78031ce3cdcb3208ecbe (diff) | |
parent | 0465c41c847ddee7eeb5caefb164149400ff8395 (diff) |
Merge pull request #521 from laanwj/qt
Qt GUI
Diffstat (limited to 'src/qt/bitcoinaddressvalidator.cpp')
-rw-r--r-- | src/qt/bitcoinaddressvalidator.cpp | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/src/qt/bitcoinaddressvalidator.cpp b/src/qt/bitcoinaddressvalidator.cpp new file mode 100644 index 0000000000..373877808f --- /dev/null +++ b/src/qt/bitcoinaddressvalidator.cpp @@ -0,0 +1,67 @@ +#include "bitcoinaddressvalidator.h" + +/* 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' + + 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(); ++idx) + { + switch(input.at(idx).unicode()) + { + case 'l': + case 'I': + input[idx] = QChar('1'); + break; + case '0': + case 'O': + input[idx] = QChar('o'); + break; + default: + break; + } + } + + // 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; +} |