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fix(utils): better code for strtoxxx

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This commit is contained in:
Ronan Abhamon 2017-09-25 15:42:59 +02:00
parent 37e25a736f
commit b445462794
1 changed files with 43 additions and 64 deletions
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107
src/utils/utils.cpp
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@ -43,6 +43,8 @@ bool Utils::iequals (const string &a, const string &b) {
return true;
}
// -----------------------------------------------------------------------------
vector<string> Utils::split (const string &str, const string &delimiter) {
vector<string> out;
@ -54,6 +56,8 @@ vector<string> Utils::split (const string &str, const string &delimiter) {
return out;
}
// -----------------------------------------------------------------------------
#ifndef __ANDROID__
#define TO_STRING_IMPL(TYPE) \
string Utils::toString(TYPE val) { \
@ -78,86 +82,59 @@ TO_STRING_IMPL(float)
TO_STRING_IMPL(double)
TO_STRING_IMPL(long double)
#undef TO_STRING_IMPL
string Utils::toString (const void *val) {
ostringstream ss;
ss << val;
return ss.str();
}
int Utils::stoi (const string &str, size_t *idx, int base) {
return stoi(str.c_str(), idx, base);
}
// -----------------------------------------------------------------------------
long long Utils::stoll (const string &str, size_t *idx, int base) {
return stoll(str.c_str(), idx, base);
}
#define STRING_TO_NUMBER_IMPL(TYPE, SUFFIX) \
TYPE Utils::sto ## SUFFIX (const string &str, size_t *idx, int base) { \
return sto ## SUFFIX(str.c_str(), idx, base); \
} \
TYPE Utils::sto ## SUFFIX (const char *str, size_t *idx, int base) { \
char *p; \
TYPE v = strto ## SUFFIX(str, &p, base); \
if (idx) \
*idx = static_cast<size_t>(p - str); \
return v; \
} \
unsigned long long Utils::stoull (const string &str, size_t *idx, int base) {
return stoull(str.c_str(), idx, base);
}
#define STRING_TO_NUMBER_IMPL_BASE_LESS(TYPE, SUFFIX) \
TYPE Utils::sto ## SUFFIX (const string &str, size_t *idx) { \
return sto ## SUFFIX(str.c_str(), idx); \
} \
TYPE Utils::sto ## SUFFIX (const char *str, size_t *idx) { \
char *p; \
TYPE v = strto ## SUFFIX(str, &p); \
if (idx) \
*idx = static_cast<size_t>(p - str); \
return v; \
} \
double Utils::stod (const string &str, size_t *idx) {
return stod(str.c_str(), idx);
}
#define strtoi(STR, IDX, BASE) static_cast<int>(strtol(STR, IDX, BASE))
STRING_TO_NUMBER_IMPL(int, i)
#undef strtoi
float Utils::stof (const string &str, size_t *idx) {
return stof(str.c_str(), idx);
}
STRING_TO_NUMBER_IMPL(long long, ll)
STRING_TO_NUMBER_IMPL(unsigned long long, ull)
STRING_TO_NUMBER_IMPL_BASE_LESS(double, d)
STRING_TO_NUMBER_IMPL_BASE_LESS(float, f)
#undef STRING_TO_NUMBER_IMPL
#undef STRING_TO_NUMBER_IMPL_BASE_LESS
bool Utils::stob (const string &str) {
const string lowerStr = stringToLower(str);
return !lowerStr.empty() && (lowerStr == "true" || lowerStr == "1");
}
int Utils::stoi (const char *str, size_t *idx, int base) {
char *p;
int v = static_cast<int>(strtol(str, &p, base));
if (idx)
*idx = static_cast<size_t>(p - str);
return v;
}
long long Utils::stoll (const char *str, size_t *idx, int base) {
char *p;
long long v = static_cast<int>(strtoll(str, &p, base));
if (idx)
*idx = static_cast<size_t>(p - str);
return v;
}
unsigned long long Utils::stoull (const char *str, size_t *idx, int base) {
char *p;
unsigned long long v = static_cast<int>(strtoull(str, &p, base));
if (idx)
*idx = static_cast<size_t>(p - str);
return v;
}
double Utils::stod (const char *str, size_t *idx) {
char *p;
double v = strtod(str, &p);
if (idx)
*idx = static_cast<size_t>(p - str);
return v;
}
float Utils::stof (const char *str, size_t *idx) {
char *p;
float v = strtof(str, &p);
if (idx)
*idx = static_cast<size_t>(p - str);
return v;
}
// -----------------------------------------------------------------------------
string Utils::stringToLower (const string &str) {
string result(str.size(), ' ');
@ -165,6 +142,8 @@ string Utils::stringToLower (const string &str) {
return result;
}
// -----------------------------------------------------------------------------
char *Utils::utf8ToChar (uint32_t ic) {
char *result = new char[5];
int size = 0;