Refactored options
diff --git a/src/ProtocolBuffers/NameHelpers.cs b/src/ProtocolBuffers/NameHelpers.cs
new file mode 100644
index 0000000..8b297f9
--- /dev/null
+++ b/src/ProtocolBuffers/NameHelpers.cs
@@ -0,0 +1,78 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Google.ProtocolBuffers {
+ /// <summary>
+ /// Helpers for converting names to pascal case etc.
+ /// </summary>
+ internal class NameHelpers {
+
+ internal static string UnderscoresToPascalCase(string input) {
+ return UnderscoresToPascalOrCamelCase(input, true);
+ }
+
+ internal static string UnderscoresToCamelCase(string input) {
+ return UnderscoresToPascalOrCamelCase(input, false);
+ }
+
+ /// <summary>
+ /// Converts a string to Pascal or Camel case. The first letter is capitalized or
+ /// lower-cased depending on <paramref name="pascal"/> is true.
+ /// After the first letter, any punctuation is removed but triggers capitalization
+ /// of the next letter. Digits are preserved but trigger capitalization of the next
+ /// letter.
+ /// All capitalisation is done in the invariant culture.
+ /// </summary>
+ private static string UnderscoresToPascalOrCamelCase(string input, bool pascal) {
+ StringBuilder result = new StringBuilder();
+ bool capitaliseNext = pascal;
+ for (int i = 0; i < input.Length; i++) {
+ char c = input[i];
+ if ('a' <= c && c <= 'z') {
+ if (capitaliseNext) {
+ result.Append(char.ToUpperInvariant(c));
+ } else {
+ result.Append(c);
+ }
+ capitaliseNext = false;
+ } else if ('A' <= c && c <= 'Z') {
+ if (i == 0 && !pascal) {
+ // Force first letter to lower-case unless explicitly told to
+ // capitalize it.
+ result.Append(char.ToLowerInvariant(c));
+ } else {
+ // Capital letters after the first are left as-is.
+ result.Append(c);
+ }
+ capitaliseNext = false;
+ } else if ('0' <= c && c <= '9') {
+ result.Append(c);
+ capitaliseNext = true;
+ } else {
+ capitaliseNext = true;
+ }
+ }
+ return result.ToString();
+ }
+
+ internal static string StripProto(string text) {
+ if (!StripSuffix(ref text, ".protodevel")) {
+ StripSuffix(ref text, ".proto");
+ }
+ return text;
+ }
+
+ /// <summary>
+ /// Attempts to strip a suffix from a string, returning whether
+ /// or not the suffix was actually present.
+ /// </summary>
+ internal static bool StripSuffix(ref string text, string suffix) {
+ if (text.EndsWith(suffix)) {
+ text = text.Substring(0, text.Length - suffix.Length);
+ return true;
+ }
+ return false;
+ }
+ }
+}