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Improve String::Split and add tests

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Ted John
2017-02-25 16:07:08 +00:00
parent 7ccce750a6
commit 0ec43e3611
5 changed files with 76 additions and 17 deletions
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43
src/openrct2/core/String.cpp
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@@ -15,6 +15,7 @@
#pragma endregion
#include <cwctype>
#include <stdexcept>
#include <vector>
extern "C"
@@ -356,25 +357,33 @@ namespace String
std::vector<std::string> Split(const std::string &s, const std::string &delimiter)
{
std::vector<std::string> results;
size_t index = 0;
size_t nextIndex;
do
if (delimiter.empty())
{
nextIndex = s.find_first_of(delimiter, index);
std::string value;
if (nextIndex == std::string::npos)
{
value = s.substr(index);
}
else
{
value = s.substr(index, nextIndex - index);
}
results.push_back(value);
index = nextIndex + 1;
throw std::invalid_argument(nameof(delimiter) " can not be empty.");
}
std::vector<std::string> results;
if (!s.empty())
{
size_t index = 0;
size_t nextIndex;
do
{
nextIndex = s.find(delimiter, index);
std::string value;
if (nextIndex == std::string::npos)
{
value = s.substr(index);
}
else
{
value = s.substr(index, nextIndex - index);
}
results.push_back(value);
index = nextIndex + delimiter.size();
}
while (nextIndex != SIZE_MAX);
}
while (nextIndex != SIZE_MAX);
return results;
}