Move game sources into src subdirectory

1 files changed, 54 insertions, 0 deletions

diff --git a/src/core/strtools.cc b/src/core/strtools.cc
new file mode 100644
index 0000000..4edd86b
--- /dev/null
+++ b/src/core/strtools.cc
@@ -0,0 +1,54 @@
+#include "core/pch.hh"
+
+#include "core/strtools.hh"
+
+constexpr static const char* WHITESPACE_CHARS = " \t\r\n";
+
+bool strtools::is_whitespace(const std::string& string)
+{
+    if(string.find_first_not_of(WHITESPACE_CHARS) == std::string::npos) {
+        return true;
+    } else if((string.size() == 1) && string[0] == 0x00) {
+        return true;
+    } else {
+        return string.empty();
+    }
+}
+
+std::string strtools::join(const std::vector<std::string>& strings, const std::string& separator)
+{
+    std::ostringstream stream;
+    for(const std::string& str : strings)
+        stream << str << separator;
+    return stream.str();
+}
+
+std::vector<std::string> strtools::split(const std::string& string, const std::string& separator)
+{
+    std::size_t pos = 0;
+    std::size_t prev = 0;
+    std::vector<std::string> result;
+
+    while((pos = string.find(separator, prev)) != std::string::npos) {
+        result.push_back(string.substr(prev, pos - prev));
+        prev = pos + separator.length();
+    }
+
+    if(prev <= string.length()) {
+        result.push_back(string.substr(prev, string.length() - prev));
+    }
+
+    return result;
+}
+
+std::string strtools::trim_whitespace(const std::string& string)
+{
+    auto su = string.find_first_not_of(WHITESPACE_CHARS);
+    auto sv = string.find_last_not_of(WHITESPACE_CHARS);
+
+    if(su == std::string::npos) {
+        return std::string();
+    } else {
+        return string.substr(su, sv - su + 1);
+    }
+}