Add some string helpers and unit tests
functions int_to_str(int) and split(const String&, Character), plus corresponding unit tests
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@ -5,13 +5,6 @@
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namespace Kakoune
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{
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String int_to_str(int value)
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{
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std::ostringstream oss;
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oss << value;
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return oss.str();
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}
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Option& OptionManager::operator[] (const String& name)
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{
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auto it = m_options.find(name);
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46
src/string.cc
Normal file
46
src/string.cc
Normal file
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@ -0,0 +1,46 @@
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#include "string.hh"
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namespace Kakoune
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{
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String int_to_str(int value)
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{
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const bool negative = value < 0;
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if (negative)
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value = -value;
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char buffer[16];
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size_t pos = sizeof(buffer);
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buffer[--pos] = 0;
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do
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{
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buffer[--pos] = '0' + (value % 10);
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value /= 10;
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}
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while (value);
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if (negative)
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buffer[--pos] = '-';
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return String(buffer + pos);
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}
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std::vector<String> split(const String& str, Character separator)
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{
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auto begin = str.begin();
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auto end = str.begin();
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std::vector<String> res;
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while (end != str.end())
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{
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while (end != str.end() and *end != separator)
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++end;
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res.push_back(String(begin, end));
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if (end == str.end())
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break;
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begin = ++end;
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}
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return res;
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}
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}
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@ -109,6 +109,9 @@ inline String operator+(Character lhs, const String& rhs)
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return String(lhs) + rhs;
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}
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String int_to_str(int value);
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std::vector<String> split(const String& str, Character separator);
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}
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namespace std
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@ -45,8 +45,24 @@ void test_editor()
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}
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}
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void test_string()
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{
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assert(int_to_str(124) == "124");
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assert(int_to_str(-129) == "-129");
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assert(int_to_str(0) == "0");
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assert(String("youpi ") + "matin" == "youpi matin");
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std::vector<String> splited = split("youpi:matin::tchou", ':');
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assert(splited[0] == "youpi");
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assert(splited[1] == "matin");
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assert(splited[2] == "");
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assert(splited[3] == "tchou");
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}
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void run_unit_tests()
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{
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test_string();
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test_buffer();
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test_editor();
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}
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