[3857] | 1 | #region Copyright notice and license
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| 2 | // Protocol Buffers - Google's data interchange format
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| 3 | // Copyright 2008 Google Inc. All rights reserved.
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| 4 | // http://github.com/jskeet/dotnet-protobufs/
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| 5 | // Original C++/Java/Python code:
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| 6 | // http://code.google.com/p/protobuf/
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| 7 | //
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| 8 | // Redistribution and use in source and binary forms, with or without
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| 9 | // modification, are permitted provided that the following conditions are
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| 10 | // met:
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| 11 | //
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| 12 | // * Redistributions of source code must retain the above copyright
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| 13 | // notice, this list of conditions and the following disclaimer.
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| 14 | // * Redistributions in binary form must reproduce the above
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| 15 | // copyright notice, this list of conditions and the following disclaimer
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| 16 | // in the documentation and/or other materials provided with the
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| 17 | // distribution.
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| 18 | // * Neither the name of Google Inc. nor the names of its
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| 19 | // contributors may be used to endorse or promote products derived from
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| 20 | // this software without specific prior written permission.
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| 21 | //
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| 22 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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| 23 | // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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| 24 | // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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| 25 | // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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| 26 | // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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| 27 | // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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| 28 | // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 29 | // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 30 | // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 31 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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| 32 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 33 | #endregion
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| 34 |
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[4068] | 35 | using System.Globalization;
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[3857] | 36 | using System.Text;
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| 37 |
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| 38 | namespace Google.ProtocolBuffers {
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| 39 | /// <summary>
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| 40 | /// Helpers for converting names to pascal case etc.
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| 41 | /// </summary>
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| 42 | internal class NameHelpers {
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| 43 |
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| 44 | internal static string UnderscoresToPascalCase(string input) {
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| 45 | return UnderscoresToPascalOrCamelCase(input, true);
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| 46 | }
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| 47 |
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| 48 | internal static string UnderscoresToCamelCase(string input) {
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| 49 | return UnderscoresToPascalOrCamelCase(input, false);
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| 50 | }
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| 51 |
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| 52 | /// <summary>
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| 53 | /// Converts a string to Pascal or Camel case. The first letter is capitalized or
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| 54 | /// lower-cased depending on <paramref name="pascal"/> is true.
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| 55 | /// After the first letter, any punctuation is removed but triggers capitalization
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| 56 | /// of the next letter. Digits are preserved but trigger capitalization of the next
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| 57 | /// letter.
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| 58 | /// All capitalisation is done in the invariant culture.
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| 59 | /// </summary>
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| 60 | private static string UnderscoresToPascalOrCamelCase(string input, bool pascal) {
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| 61 | StringBuilder result = new StringBuilder();
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| 62 | bool capitaliseNext = pascal;
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| 63 | for (int i = 0; i < input.Length; i++) {
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| 64 | char c = input[i];
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| 65 | if ('a' <= c && c <= 'z') {
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| 66 | if (capitaliseNext) {
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| 67 | result.Append(char.ToUpper(c, CultureInfo.InvariantCulture));
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| 68 | } else {
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| 69 | result.Append(c);
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| 70 | }
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| 71 | capitaliseNext = false;
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| 72 | } else if ('A' <= c && c <= 'Z') {
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| 73 | if (i == 0 && !pascal) {
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| 74 | // Force first letter to lower-case unless explicitly told to
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| 75 | // capitalize it.
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| 76 | result.Append(char.ToLower(c, CultureInfo.InvariantCulture));
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| 77 | } else {
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| 78 | // Capital letters after the first are left as-is.
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| 79 | result.Append(c);
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| 80 | }
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| 81 | capitaliseNext = false;
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| 82 | } else if ('0' <= c && c <= '9') {
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| 83 | result.Append(c);
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| 84 | capitaliseNext = true;
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| 85 | } else {
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| 86 | capitaliseNext = true;
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| 87 | }
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| 88 | }
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| 89 | return result.ToString();
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| 90 | }
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| 91 |
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| 92 | internal static string StripProto(string text) {
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| 93 | if (!StripSuffix(ref text, ".protodevel")) {
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| 94 | StripSuffix(ref text, ".proto");
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| 95 | }
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| 96 | return text;
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| 97 | }
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| 98 |
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| 99 | /// <summary>
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| 100 | /// Attempts to strip a suffix from a string, returning whether
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| 101 | /// or not the suffix was actually present.
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| 102 | /// </summary>
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| 103 | internal static bool StripSuffix(ref string text, string suffix) {
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| 104 | if (text.EndsWith(suffix)) {
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| 105 | text = text.Substring(0, text.Length - suffix.Length);
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| 106 | return true;
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| 107 | }
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| 108 | return false;
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| 109 | }
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| 110 | }
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| 111 | }
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