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#include "../include/StringUtils.hpp"
#include <string.h>
namespace QuickMedia {
template <typename T>
static void string_split_t(const std::string &str, const T &delimiter, StringSplitCallback callback_func) {
size_t index = 0;
while(index < str.size()) {
size_t new_index = str.find(delimiter, index);
if(new_index == std::string::npos)
new_index = str.size();
if(!callback_func(str.data() + index, new_index - index))
break;
if constexpr(std::is_same<char, T>::value)
index = new_index + 1;
else
index = new_index + delimiter.size();
}
}
void string_split(const std::string &str, const std::string &delimiter, StringSplitCallback callback_func) {
string_split_t(str, delimiter, callback_func);
}
void string_split(const std::string &str, char delimiter, StringSplitCallback callback_func) {
string_split_t(str, delimiter, callback_func);
}
size_t string_replace_all(std::string &str, char old_char, char new_char) {
size_t num_replaced_substrings = 0;
for(char &c : str) {
if(c == old_char) {
c = new_char;
++num_replaced_substrings;
}
}
return num_replaced_substrings;
}
size_t string_replace_all(std::string &str, char old_char, const std::string &new_str) {
size_t num_replaced_substrings = 0;
size_t index = 0;
while(index < str.size()) {
index = str.find(old_char, index);
if(index == std::string::npos)
break;
str.replace(index, 1, new_str);
index += new_str.size();
++num_replaced_substrings;
}
return num_replaced_substrings;
}
size_t string_replace_all(std::string &str, const std::string &old_str, const std::string &new_str) {
size_t num_replaced_substrings = 0;
size_t index = 0;
while(index < str.size()) {
index = str.find(old_str, index);
if(index == std::string::npos)
break;
str.replace(index, old_str.size(), new_str);
index += new_str.size();
++num_replaced_substrings;
}
return num_replaced_substrings;
}
static bool is_whitespace(char c) {
return c == ' ' || c == '\n' || c == '\t' || c == '\v';
}
std::string strip(const std::string &str) {
if(str.empty())
return str;
int start = 0;
for(; start < (int)str.size(); ++start) {
if(!is_whitespace(str[start]))
break;
}
int end = str.size() - 1;
for(; end >= start; --end) {
if(!is_whitespace(str[end]))
break;
}
return str.substr(start, end - start + 1);
}
bool string_starts_with(const std::string &str, const char *sub) {
size_t sub_len = strlen(sub);
return sub_len == 0 || (str.size() >= sub_len && memcmp(str.c_str(), sub, sub_len) == 0);
}
bool string_ends_with(const std::string &str, const std::string &ends_with_str) {
size_t ends_len = ends_with_str.size();
return ends_len == 0 || (str.size() >= ends_len && memcmp(&str[str.size() - ends_len], ends_with_str.data(), ends_len) == 0);
}
size_t str_find_case_insensitive(const std::string &str, size_t start_index, const char *substr, size_t substr_len) {
auto it = std::search(str.begin() + start_index, str.end(), substr, substr + substr_len,
[](char c1, char c2) {
return to_upper(c1) == to_upper(c2);
});
if(it == str.end())
return std::string::npos;
return it - str.begin();
}
char to_upper(char c) {
if(c >= 'a' && c <= 'z')
return c - 32;
else
return c;
}
bool strncase_equals(const char *str1, const char *str2, size_t length) {
size_t i = 0;
for(;;) {
if(i == length)
return true;
++i;
const char c1 = *str1;
const char c2 = *str2;
if(to_upper(c1) != to_upper(c2))
return false;
else if(c1 == '\0')
return true;
++str1;
++str2;
}
}
bool strcase_equals(const char *str1, const char *str2) {
for(;;) {
const char c1 = *str1;
const char c2 = *str2;
if(to_upper(c1) != to_upper(c2))
return false;
else if(c1 == '\0')
return true;
++str1;
++str2;
}
}
bool to_num(const char *str, size_t size, int &num) {
size_t i = 0;
const bool is_negative = size > 0 && str[0] == '-';
if(is_negative)
i = 1;
num = 0;
for(; i < size; ++i) {
const char num_c = str[i] - '0';
if(num_c < 0 || num_c > 9)
return false;
num = (num * 10) + num_c;
}
if(is_negative)
num = -num;
return true;
}
// Returns relative time as a string (approximation)
std::string seconds_to_relative_time_str(time_t seconds) {
seconds = std::max(0L, seconds);
time_t minutes = seconds / 60;
time_t hours = minutes / 60;
time_t days = hours / 24;
time_t months = days / 30;
time_t years = days / 365;
if(years >= 1)
return std::to_string(years) + " year" + (years == 1 ? "" : "s") + " ago";
else if(months >= 1)
return std::to_string(months) + " month" + (months == 1 ? "" : "s") + " ago";
else if(days >= 1)
return std::to_string(days) + " day" + (days == 1 ? "" : "s") + " ago";
else if(hours >= 1)
return std::to_string(hours) + " hour" + (hours == 1 ? "" : "s") + " ago";
else if(minutes >= 1)
return std::to_string(minutes) + " minute" + (minutes == 1 ? "" : "s") + " ago";
else
return std::to_string(seconds) + " second" + (seconds == 1 ? "" : "s") + " ago";
}
}
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