code

owo.cpp

@@ -0,0 +1,123 @@
+#include <iostream>
+#include <regex>
+#include <string>
+#include <fstream>
+using namespace std;
+
+string replacements[6][2] = {
+    {"(?:r|l)", "w"},
+    {"(?:R|L)", "W"},
+    {"n([aeiou])", "ny$1"},
+    {"N([aeiou])", "Ny$1"},
+    {"N([AEIOU])", "Ny$1"},
+    {"ove", "uv"}
+};
+
+string owo(string input) {
+    string output = input;
+    for (int i = 0; i < 6; i++) {
+        output = regex_replace(output, regex(replacements[i][0]), replacements[i][1]);
+    }
+    return output;
+}
+
+int help() {
+    cout << "Usage: owo [-p] [-h] [-f file] [-o file] [text]" << endl;
+    cout << "       owo [text]" << endl;
+    cout << "       owo -f [file] -o [file]" << endl;
+    cout << "       echo [text] | owo -p" << endl << endl;
+    cout << "Options:" << endl;
+    cout << "  -p  Read from stdin" << endl;
+    cout << "  -h  Show this help message" << endl;
+    return 0;
+}
+
+int main(int argc, char *argv[]) {
+    string input, inputfile, outputfile;
+    bool stdin = false;
+
+    if (argc < 2) {
+        cout << owo("No text provided") << endl << endl;
+        help();
+        return 1;
+    }
+
+    for (int i = 1; i < argc; i++) {
+        if (string(argv[i]) == "-f") {
+            inputfile = string(argv[i+1]);
+            i++;
+        } else if (string(argv[i]) == "-o") {
+            outputfile = string(argv[i+1]);
+            i++;
+        } else if (string(argv[i]) == "-p") {
+            stdin = true;
+        } else if (string(argv[i]) == "-h") {
+            return help();
+        } else if (i == argc-1) {
+            input = string(argv[i]);
+        } else {
+            cout << owo("Invalid argument: " + string(argv[i])) << endl << endl;
+            help();
+            return 1;
+        }
+    }
+    
+    if (stdin && inputfile != "" || stdin && input != "" || inputfile != "" && input != "") {
+        cout << owo("Cannot use multiple input methods at once") << endl << endl;
+        help();
+        return 1;
+    }
+
+    ostream *output;
+
+    if (outputfile != "") {
+        output = new ofstream(outputfile);
+        if (!output->good()) {
+            cout << owo("Failed to open output file") << endl;
+            return 1;
+        }
+    }
+
+    if (stdin) {
+        while (getline(cin, input)) {
+            if (outputfile != "") {
+                *output << owo(input) << endl;
+            } else {
+                cout << owo(input) << endl;
+            }
+        }
+
+    } else if (inputfile != "") {
+        ifstream inputstream(inputfile);
+        if (!inputstream.good()) {
+            cout << owo("Failed to open input file") << endl;
+            if (outputfile != "") {
+                ((ofstream*)output)->close();
+            }
+            return 1;
+        }
+
+        while (getline(inputstream, input)) {
+            if (outputfile != "") {
+                *output << owo(input) << endl;
+            } else {
+                cout << owo(input) << endl;
+            }
+        }
+        inputstream.close();
+
+    } else if (input != "") {
+        if (outputfile != "") {
+            *output << owo(input) << endl;
+        } else {
+            cout << owo(input) << endl;
+        }
+    }
+
+    if (outputfile != "") {
+        ((ofstream*)output)->close();
+    }
+
+
+    return 0;
+}