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StrUtils.cpp
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StrUtils.cpp
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#include "StrUtils.h"
#include "string.h"
/******************************************
// StrUtil class implement
//const char StrUtil::m_empChar[] = {' ', '\t'};
//const int StrUtil::m_empLen = 2;
******************************************/
// StrUtil functions
string StrUtils::trim(string& value)
{
//trim begin
for(size_t i = 0; i < value.size(); ++i)
{
if (!isEmpChar(value[i]))
{
value.erase(0, i);
break;
}
}
//trim end
for(size_t i = value.size() - 1;
i >= 0; --i)
{
if (!isEmpChar(value[i]))
{
value.erase(i + 1);
break;
}
}
return value;
} //fn trim
bool StrUtils::is_number(const std::string& s)
{
std::string::const_iterator it = s.begin();
while (it != s.end() && std::isdigit(*it)) ++it;
return !s.empty() && it == s.end();
}
bool StrUtils::isEmpChar(const char c)
{
static const char empChar[] = {' ', '\t'};
static const int empLen = 2;
for(int i = 0; i < empLen; ++i)
{
if (c == empChar[i]) return true;
}
return false;
}
int StrUtils::indexOf(const int argc, const char* array[], const char* szStr)
{
int retVal = -1;
for(int i = 0; i < argc; ++i)
{
if (strcmp(array[i], szStr) == 0)
return i;
}
return retVal;
}