dropshell release 2025.0521.1906

source/src/utils/utils.cpp

@@ -7,6 +7,8 @@
 #include <filesystem>
 #include <regex>
 #include <random>
+#include <sys/ioctl.h>
+#include <unistd.h>
 
 namespace dropshell {
 
@@ -388,4 +390,46 @@ std::string substitute_provided_key_value_pairs(std::string str, const std::map<
     return result;
 }
 
+int get_console_width()
+{
+    struct winsize w;
+    if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &w) == 0) {
+        return w.ws_col;
+    }
+    // Fallback to a reasonable default if we can't get the width
+    return 80;
+}
+
+std::string remove_return(std::string str)
+{
+    str.erase(std::remove(str.begin(), str.end(), '\n'), str.end());
+    return str;
+}
+
+std::string get_line_wrap(std::string &src, int maxchars)
+{
+    if (src.empty())
+        return "";
+
+    if (src.length() <= maxchars)
+    {
+        std::string out = src;
+        src.erase();
+        return remove_return(out) + '\n';
+    }
+
+    // find last whitespace up to but not more than maxchars
+    size_t grab_to=maxchars;
+    size_t lastreturn = src.rfind('\n', maxchars);
+    size_t lastspace = src.rfind(' ', maxchars);
+    if (lastreturn != std::string::npos)
+        grab_to = lastreturn;
+    else if (lastspace != std::string::npos)
+        grab_to = lastspace;
+
+    std::string out = src.substr(0, grab_to);
+    src = src.substr(grab_to + 1);
+    return remove_return(out) + '\n';
+}
+
 } // namespace dropshell