73faa18cf0
This helps ensure that when a string is truncated it is not done in the middle of a utf8 multi-byte sequence. This doesn't 100% correspond to user-perceived characters, but it should be pretty close in most cases.
102 lines
2.8 KiB
C++
102 lines
2.8 KiB
C++
#pragma once
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#include <sstream>
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#include <cstring>
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#include "common.hpp"
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POLYBAR_NS
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namespace {
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/**
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* Overload that allows sub-string removal at the end of given string
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*/
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inline string& operator-(string& a, const string& b) {
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if (a.size() >= b.size() && a.substr(a.size() - b.size()) == b) {
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return a.erase(a.size() - b.size());
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} else {
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return a;
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}
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}
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/**
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* Overload that allows sub-string removal at the end of given string
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*/
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inline void operator-=(string& a, const string& b) {
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if (a.size() >= b.size() && a.substr(a.size() - b.size()) == b) {
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a.erase(a.size() - b.size());
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}
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}
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}
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class sstream {
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public:
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sstream() : m_stream() {}
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template <typename T>
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sstream& operator<<(const T& object) {
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m_stream << object;
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return *this;
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}
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sstream& operator<<(const char* cz) {
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m_stream << cz;
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return *this;
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}
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operator string() const {
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return m_stream.str();
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}
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const string to_string() const {
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return m_stream.str();
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}
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private:
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std::stringstream m_stream;
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};
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namespace string_util {
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/**
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* Hash type
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*/
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using hash_type = unsigned long;
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bool contains(const string& haystack, const string& needle);
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string upper(const string& s);
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string lower(const string& s);
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bool compare(const string& s1, const string& s2);
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string replace(const string& haystack, const string& needle, const string& replacement, size_t start = 0,
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size_t end = string::npos);
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string replace_all(const string& haystack, const string& needle, const string& replacement, size_t start = 0,
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size_t end = string::npos);
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string squeeze(const string& haystack, char needle);
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string strip(const string& haystack, char needle);
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string strip_trailing_newline(const string& haystack);
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string ltrim(string&& value, const char& needle = ' ');
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string rtrim(string&& value, const char& needle = ' ');
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string trim(string&& value, const char& needle = ' ');
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size_t char_len(const string& value);
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string utf8_truncate(string&& value, size_t len);
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string join(const vector<string>& strs, const string& delim);
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vector<string>& split_into(const string& s, char delim, vector<string>& container);
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vector<string> split(const string& s, char delim);
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size_t find_nth(const string& haystack, size_t pos, const string& needle, size_t nth);
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string floating_point(double value, size_t precision, bool fixed = false, const string& locale = "");
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string filesize_mb(unsigned long long kbytes, size_t precision = 0, const string& locale = "");
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string filesize_gb(unsigned long long kbytes, size_t precision = 0, const string& locale = "");
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string filesize(unsigned long long kbytes, size_t precision = 0, bool fixed = false, const string& locale = "");
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hash_type hash(const string& src);
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}
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POLYBAR_NS_END
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