55 lines
1.7 KiB
C++
55 lines
1.7 KiB
C++
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#include "string_utils.hpp"
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std::string remove_substring(const std::string_view string, const std::string_view substring) {
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std::string result(string);
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const auto substring_length = substring.length();
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for(auto i = result.find(substring); i != std::string::npos; i = result.find(substring))
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result.erase(i, substring_length);
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return result;
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}
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std::string replace_substring(const std::string_view string, const std::string_view substring, const std::string_view replacement) {
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std::string result(string);
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const auto substring_length = substring.length();
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size_t i = 0;
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while((i = result.find(substring, i)) != std::string::npos) {
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result.erase(i, substring_length);
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result.insert(i, replacement);
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i += replacement.length();
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}
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return result;
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}
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bool string_contains(const std::string_view a, const std::string_view b) {
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return a.find(b) != std::string::npos;
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}
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bool string_starts_with(const std::string_view haystack, const std::string_view needle) {
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return needle.length() <= haystack.length()
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&& std::equal(needle.begin(), needle.end(), haystack.begin());
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}
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std::vector<std::string> tokenize(const std::string_view string, const std::string_view& delimiters) {
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std::vector<std::string> tokens;
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const size_t length = string.length();
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size_t lastPos = 0;
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while(lastPos < length + 1) {
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size_t pos = string.find_first_of(delimiters, lastPos);
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if(pos == std::string_view::npos)
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pos = length;
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if(pos != lastPos)
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tokens.emplace_back(string.data() + lastPos, pos - lastPos);
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lastPos = pos + 1;
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}
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return tokens;
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}
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