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polybar/include/utils/string.hpp

104 lines
2.9 KiB
C++

#pragma once
#include <sstream>
#include "common.hpp"
POLYBAR_NS
namespace {
/**
* Overload that allows sub-string removal at the end of given string
*/
inline string& operator-(string& a, const string& b) {
if (a.size() >= b.size() && a.substr(a.size() - b.size()) == b) {
return a.erase(a.size() - b.size());
} else {
return a;
}
}
/**
* Overload that allows sub-string removal at the end of given string
*/
inline void operator-=(string& a, const string& b) {
if (a.size() >= b.size() && a.substr(a.size() - b.size()) == b) {
a.erase(a.size() - b.size());
}
}
} // namespace
class sstream {
public:
sstream() : m_stream() {}
template <typename T>
sstream& operator<<(const T& object) {
m_stream << object;
return *this;
}
sstream& operator<<(const char* cz) {
m_stream << cz;
return *this;
}
operator string() const {
return m_stream.str();
}
const string to_string() const {
return m_stream.str();
}
private:
std::stringstream m_stream;
};
namespace string_util {
/**
* Hash type
*/
using hash_type = unsigned long;
bool contains(const string& haystack, const string& needle);
string upper(const string& s);
string lower(const string& s);
bool compare(const string& s1, const string& s2);
string replace(const string& haystack, const string& needle, const string& replacement, size_t start = 0,
size_t end = string::npos);
string replace_all(const string& haystack, const string& needle, const string& replacement, size_t start = 0,
size_t end = string::npos);
string squeeze(const string& haystack, char needle);
string strip(const string& haystack, char needle);
string strip_trailing_newline(const string& haystack);
string ltrim(string value, function<bool(char)> pred);
string rtrim(string value, function<bool(char)> pred);
string trim(string value, function<bool(char)> pred);
string ltrim(string&& value, const char& needle = ' ');
string rtrim(string&& value, const char& needle = ' ');
string trim(string&& value, const char& needle = ' ');
size_t char_len(const string& value);
string utf8_truncate(string&& value, size_t len);
string join(const vector<string>& strs, const string& delim);
vector<string> split(const string& s, char delim);
std::vector<std::string> tokenize(const string& str, char delimiters);
size_t find_nth(const string& haystack, size_t pos, const string& needle, size_t nth);
string floating_point(double value, size_t precision, bool fixed = false, const string& locale = "");
string filesize_mib(unsigned long long kibibytes, size_t precision = 0, const string& locale = "");
string filesize_gib(unsigned long long kibibytes, size_t precision = 0, const string& locale = "");
string filesize(unsigned long long kbytes, size_t precision = 0, bool fixed = false, const string& locale = "");
hash_type hash(const string& src);
} // namespace string_util
POLYBAR_NS_END