using more useful functions

dub.json

@@ -11,10 +11,26 @@
 			"description": "Shared components across other arsd modules",
 			"targetType": "library",
 			"libs-windows": ["user32", "ws2_32"],
-			"dflags-dmd": ["-mv=arsd.core=$PACKAGE_DIR/core.d"],
-			"dflags-ldc": ["--mv=arsd.core=$PACKAGE_DIR/core.d"],
-			"dflags-gdc": ["-fmodule-file=arsd.core=$PACKAGE_DIR/core.d"],
-			"sourceFiles": ["core.d"]
+			"dflags-dmd": [
+				"-mv=arsd.core=$PACKAGE_DIR/core.d",
+				"-mv=arsd.string=$PACKAGE_DIR/string.d",
+				"-mv=arsd.conv=$PACKAGE_DIR/conv.d"
+			],
+			"dflags-ldc": [
+				"--mv=arsd.core=$PACKAGE_DIR/core.d",
+				"--mv=arsd.string=$PACKAGE_DIR/string.d",
+				"--mv=arsd.conv=$PACKAGE_DIR/conv.d"
+			],
+			"dflags-gdc": [
+				"-fmodule-file=arsd.core=$PACKAGE_DIR/core.d",
+				"-fmodule-file=arsd.string=$PACKAGE_DIR/string.d",
+				"-fmodule-file=arsd.conv=$PACKAGE_DIR/conv.d"
+			],
+			"sourceFiles": [
+				"core.d",
+				"string.d",
+				"conv.d"
+			]
 		},
 		{
 			"name": "simpledisplay",

oauth.d

@@ -2,7 +2,8 @@
 module arsd.oauth;
 
 import arsd.curl;
-import arsd.cgi; // for decodeVariables
+import arsd.uri;
+import arsd.cgi : Cgi;
 import std.array;
 static import std.uri;
 static import std.algorithm;

string.d

@@ -53,3 +53,76 @@ deprecated("D calls this `stripRight` instead") alias trimRight = stripRight;
 alias stringz = arsd.core.stringz;
 // CharzBuffer
 // WCharzBuffer
+
+// ********* UTILITIES **************
+
+string[] split(string s, string onWhat) {
+	assert(onWhat.length);
+	string[] ret;
+	more:
+	auto idx = s.indexOf(onWhat);
+	if(idx == -1) {
+		ret ~= s;
+		return ret;
+	}
+	ret ~= s[0 .. idx];
+	s = s[idx + onWhat.length .. $];
+	goto more;
+}
+
+unittest {
+	assert("foo.bar".split(".") == ["foo", "bar"]);
+}
+
+ptrdiff_t lastIndexOf(string s, string what) {
+	assert(what.length);
+	if(s.length < what.length)
+		return -1;
+	ptrdiff_t checking = s.length - what.length;
+	while(checking >= 0) {
+		if(s[checking .. checking + what.length] == what)
+			return checking;
+
+		checking--;
+	}
+
+	return -1;
+}
+
+unittest {
+	assert("31234".lastIndexOf("3") == 3);
+}
+
+string join(string[] str, string w) {
+	string ret;
+	foreach(i, s; str) {
+		if(i)
+			ret ~= w;
+		ret ~= s;
+	}
+	return ret;
+}
+
+unittest {
+	assert(["a", "b"].join(" ") == "a b");
+}
+
+string replace(string str, string find, string repacement) {
+	assert(find.length);
+
+	string ret;
+	more:
+	auto idx = str.indexOf(find);
+	if(idx == -1) {
+		ret ~= str;
+		return ret;
+	}
+	ret ~= str[0 .. idx];
+	ret ~= repacement;
+	str = str[idx + find.length .. $];
+	goto more;
+}
+
+unittest {
+	assert("foobarfoo".replace("foo", "bar") == "barbarbar");
+}

web.d

@@ -11,6 +11,8 @@
 +/
 module arsd.web;
 
+import arsd.uri : decodeVariablesSingle, encodeVariables;
+
 static if(__VERSION__ <= 2076) {
 	// compatibility shims with gdc
 	enum JSONType {