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Adding NULL flag into ConstString class

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This commit is contained in:
Roman Nozdrin
2022-10-21 17:44:05 +00:00
parent 29d535144b
commit a0086bc561
3 changed files with 32 additions and 44 deletions
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21
utils/common/conststring.h
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@ -19,18 +19,21 @@
#include <string>
#include <string.h>
#include <execinfo.h>
#include "exceptclasses.h"
namespace utils
{
class ConstString
{
protected:
const char* mStr;
const char* mStr; // it can be NULL now.
size_t mLength;
public:
ConstString(const char* str, size_t length) : mStr(str), mLength(length)
{
idbassert(mStr || mLength == 0); // nullptr mStr should have zero length.
}
explicit ConstString(const std::string& str) : mStr(str.data()), mLength(str.length())
{
@ -49,6 +52,7 @@ class ConstString
}
std::string toString() const
{
idbassert(mStr);
return std::string(mStr, mLength);
}
bool eq(char ch) const
@ -73,6 +77,21 @@ class ConstString
}
return *this;
}
void bin2hex(char* o)
{
static const char hexdig[] = {'0', '1', '2', '3', '4', '5', '6', '7',
'8', '9', 'A', 'B', 'C', 'D', 'E', 'F'};
const char* e = end();
for (const char* s = mStr; s < e; s++)
{
*o++ = hexdig[*s >> 4];
*o++ = hexdig[*s & 0xf];
}
}
bool isNull() const
{
return mStr == nullptr;
}
};
} // namespace utils