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refactor: Filesize strings

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Michael Carlberg
2017-01-12 20:28:44 +01:00
parent 9184a8b046
commit c2ac7fde67
8 changed files with 116 additions and 112 deletions
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51
src/utils/string.cpp
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@ -1,4 +1,5 @@
#include <cstring>
#include <iomanip>
#include <sstream>
#include <utility>
@ -187,43 +188,41 @@ namespace string_util {
}
/**
* Create a float value string
* Create a floating point string
*/
string floatval(float value, int decimals, bool fixed, const string& locale) {
string floating_point(double value, size_t precision, bool fixed, const string& locale) {
stringstream ss;
ss.precision(decimals);
if (!locale.empty()) {
ss.imbue(std::locale(locale.c_str()));
}
if (fixed) {
ss << std::fixed;
}
ss << value;
return ss.str();
ss.imbue(!locale.empty() ? std::locale(locale.c_str()) : std::locale::classic());
ss << std::fixed << std::setprecision(precision) << value;
return fixed ? ss.str() : replace(ss.str(), ".00", "");
}
/**
* Format a filesize string
* Create a MB filesize string
*/
string filesize(unsigned long long bytes, int decimals, bool fixed, const string& locale) {
string filesize_mb(unsigned long long kbytes, size_t precision, const string& locale) {
return floating_point(kbytes / 1024.0, precision, true, locale) + " MB";
}
/**
* Create a GB filesize string
*/
string filesize_gb(unsigned long long kbytes, size_t precision, const string& locale) {
return floating_point(kbytes / 1024.0 / 1024.0, precision, true, locale) + " GB";
}
/**
* Create a filesize string by converting given bytes to highest unit possible
*/
string filesize(unsigned long long kbytes, size_t precision, bool fixed, const string& locale) {
vector<string> suffixes{"TB", "GB", "MB"};
string suffix{"KB"};
while ((bytes /= 1024) >= 1024) {
double value = kbytes;
while (!suffixes.empty() && (value /= 1024.0) >= 1024.0) {
suffix = suffixes.back();
suffixes.pop_back();
}
stringstream ss;
ss.precision(decimals);
if (!locale.empty()) {
ss.imbue(std::locale(locale.c_str()));
}
if (fixed) {
ss << std::fixed;
}
ss << bytes << " " << suffix;
return ss.str();
return floating_point(value, precision, fixed, locale) + " GB";
}
/**