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50 lines
1.1 KiB
50 lines
1.1 KiB
#include "CommonJS.h"
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namespace dev {
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namespace eth {
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bytes dev::eth::jsToBytes(std::string const& _s)
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{
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if (_s.substr(0, 2) == "0x")
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// Hex
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return fromHex(_s.substr(2));
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else if (_s.find_first_not_of("0123456789") == std::string::npos)
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// Decimal
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return toCompactBigEndian(bigint(_s));
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else
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// Binary
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return asBytes(_s);
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}
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std::string dev::eth::jsPadded(std::string const& _s, unsigned _l, unsigned _r)
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{
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bytes b = jsToBytes(_s);
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while (b.size() < _l)
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b.insert(b.begin(), 0);
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while (b.size() < _r)
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b.push_back(0);
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return asString(b).substr(b.size() - std::max(_l, _r));
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}
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std::string dev::eth::jsPadded(std::string const& _s, unsigned _l)
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{
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if (_s.substr(0, 2) == "0x" || _s.find_first_not_of("0123456789") == std::string::npos)
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// Numeric: pad to right
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return jsPadded(_s, _l, _l);
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else
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// Text: pad to the left
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return jsPadded(_s, 0, _l);
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}
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std::string dev::eth::jsUnpadded(std::string _s)
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{
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auto p = _s.find_last_not_of((char)0);
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_s.resize(p == std::string::npos ? 0 : (p + 1));
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return _s;
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}
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}
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}
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