Data update

Task/Multisplit/C++/multisplit-3.cpp

@@ -0,0 +1,127 @@
+/* multisplit.cpp */
+#include <features.h>
+#include <iostream>
+#include <string>
+#include <vector>
+#include <format>
+
+/* C++23 example for Multisplit  6 Jan 2024
+ email:
+      spikeysnack@gmail.com
+
+ compile:
+      g++-13 -std=c++23 -Wall -o multisplit multisplit.cpp
+*/
+
+// extra info
+#define _EXTRA
+
+// aliases
+using std::string;
+using std::vector;
+using str_vec = vector<string>;
+using std::cout;
+
+
+// constants
+constexpr static const size_t npos = -1;
+
+// function signatures
+string replace_all(string& str, string& remove, string& insert );
+
+str_vec split_on_delim(string& str, const string& delims);
+
+str_vec Multisplit( string& input, const str_vec& seps);
+
+// functions
+
+// replace all substrings in string
+//     a = "dogs and cats and dogs and cats and birds"
+//     replace(a, "cats" , "fish");
+//        ==> "dogs and fish and dogs and fish and birds"
+
+string replace_all(string& str,
+		   const string& remove,
+		   const string& insert ){
+ string s{str};
+ string::size_type pos = 0;
+
+ #ifdef _EXTRA
+   const string rightarrow{"\u2B62"}; //unicode arrow
+   auto ex = std::format("match: {}\t{} ", remove, rightarrow);
+   std::cerr << ex;
+ #endif
+
+ while ((pos = s.find(remove, pos)) != npos){
+   s.replace(pos, remove.size(), insert);
+   pos++;
+ }
+
+ return s;
+}
+
+
+// create a string vector from a string,
+// split on a delimiter string
+//    x = "ab:cde:fgh:ijk"
+//   split_on_delim( x, ":");
+//      ==> { "ab", "cde", "fgh", "ijk" }
+
+str_vec split_on_delim(string& str, const string& delims) {
+  string::size_type beg, pos = 0;
+  str_vec sv;
+  string tmp;
+
+  while ( (beg = str.find_first_not_of(delims, pos)) != npos ){
+
+    pos = str.find_first_of(delims, beg + 1);
+
+    tmp = { str.substr(beg, pos - beg) };
+
+    sv.push_back(tmp);
+    }
+  return sv;
+}
+
+
+str_vec Multisplit( string& input, const str_vec& seps) {
+
+  string s1{input};
+  str_vec sv;
+
+  for( auto sep : seps){
+      s1 = replace_all(s1, sep, "^"); // space sep
+
+#ifdef _EXTRA
+     std::cerr << s1 << "\n";
+#endif
+      sv = split_on_delim(s1, "^"); // split
+    }
+  return sv;
+}
+
+
+/* main program */
+
+int main(){
+
+  string sample{"a!===b=!=c"};
+
+  const str_vec seps {"!=", "==", "="};
+
+  auto s = std::format("sample: \t{}\n", sample);
+
+  cout << s;
+
+  auto sv = Multisplit(sample, seps);
+
+  for( auto s : sv){
+    auto out = std::format( "{}\t" , s);
+    cout << out;
+  }
+  cout << "\n";
+
+  return 0;
+}
+
+// end

Task/Multisplit/Wren/multisplit.wren

@@ -1,5 +1,5 @@
-import "/pattern" for Pattern
-import "/fmt" for Fmt
+import "./pattern" for Pattern
+import "./fmt" for Fmt
 
 var input = "a!===b=!=c"
 var p = Pattern.new("[/=/=|!/=|/=]")