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AK: Implement String::to_int (#99)
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79dba9a545
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2 changed files with 26 additions and 6 deletions
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@ -15,7 +15,7 @@ bool String::operator==(const String& other) const
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if (length() != other.length())
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return false;
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return !memcmp(characters(), other.characters(), length());
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}
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@ -122,12 +122,32 @@ ByteBuffer String::to_byte_buffer() const
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return ByteBuffer::copy(reinterpret_cast<const byte*>(characters()), length());
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}
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// FIXME: Duh.
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int String::to_int(bool& ok) const
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{
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unsigned value = to_uint(ok);
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ASSERT(ok);
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return (int)value;
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bool negative = false;
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int value = 0;
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ssize_t i = 0;
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if (is_null()) {
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ok = false;
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return 0;
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}
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if (characters()[0] == '-') {
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i++;
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negative = true;
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}
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for (; i < length(); i++) {
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if (characters()[i] < '0' || characters()[i] > '9') {
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ok = false;
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return 0;
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}
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value = value * 10;
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value += characters()[i] - '0';
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}
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ok = true;
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return negative ? -value : value;
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}
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unsigned String::to_uint(bool& ok) const
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