diff options
Diffstat (limited to 'src/ProtoGen/GeneratorOptions.cs')
| -rw-r--r-- | src/ProtoGen/GeneratorOptions.cs | 181 |
1 files changed, 172 insertions, 9 deletions
diff --git a/src/ProtoGen/GeneratorOptions.cs b/src/ProtoGen/GeneratorOptions.cs index 1f3d8f2b..8781c5ec 100644 --- a/src/ProtoGen/GeneratorOptions.cs +++ b/src/ProtoGen/GeneratorOptions.cs @@ -1,4 +1,5 @@ #region Copyright notice and license + // Protocol Buffers - Google's data interchange format // Copyright 2008 Google Inc. All rights reserved. // http://github.com/jskeet/dotnet-protobufs/ @@ -30,13 +31,17 @@ // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + #endregion +using System; using System.Collections.Generic; using System.IO; +using System.Text.RegularExpressions; +using Google.ProtocolBuffers.DescriptorProtos; +using Google.ProtocolBuffers.Descriptors; namespace Google.ProtocolBuffers.ProtoGen { - /// <summary> /// All the configuration required for the generator - where to generate /// output files, the location of input files etc. While this isn't immutable @@ -44,8 +49,6 @@ namespace Google.ProtocolBuffers.ProtoGen { /// the generator. /// </summary> public sealed class GeneratorOptions { - - public string OutputDirectory { get; set; } public IList<string> InputFiles { get; set; } /// <summary> @@ -58,19 +61,23 @@ namespace Google.ProtocolBuffers.ProtoGen { public bool TryValidate(out IList<string> reasons) { List<string> tmpReasons = new List<string>(); + ParseArguments(tmpReasons); + // Output directory validation - if (string.IsNullOrEmpty(OutputDirectory)) { + if (string.IsNullOrEmpty(FileOptions.OutputDirectory)) { tmpReasons.Add("No output directory specified"); - } else { - if (!Directory.Exists(OutputDirectory)) { - tmpReasons.Add("Specified output directory (" + OutputDirectory + " doesn't exist."); + } + else { + if (!Directory.Exists(FileOptions.OutputDirectory)) { + tmpReasons.Add("Specified output directory (" + FileOptions.OutputDirectory + " doesn't exist."); } } // Input file validation (just in terms of presence) if (InputFiles == null || InputFiles.Count == 0) { tmpReasons.Add("No input files specified"); - } else { + } + else { foreach (string input in InputFiles) { FileInfo fi = new FileInfo(input); if (!fi.Exists) { @@ -99,5 +106,161 @@ namespace Google.ProtocolBuffers.ProtoGen { throw new InvalidOptionsException(reasons); } } + + // Raw arguments, used to provide defaults for proto file options + public IList<string> Arguments { get; set; } + + [Obsolete("Please use GeneratorOptions.FileOptions.OutputDirectory instead")] + public string OutputDirectory { + get { return FileOptions.OutputDirectory; } + set { + CSharpFileOptions.Builder bld = FileOptions.ToBuilder(); + bld.OutputDirectory = value; + FileOptions = bld.Build(); + } + } + + private static readonly Regex ArgMatch = new Regex(@"^[-/](?<name>[\w_]+?)[:=](?<value>.*)$"); + private CSharpFileOptions fileOptions; + + public CSharpFileOptions FileOptions { + get { return fileOptions ?? (fileOptions = CSharpFileOptions.DefaultInstance); } + set { fileOptions = value; } + } + + private void ParseArguments(IList<string> tmpReasons) { + bool doHelp = Arguments.Count == 0; + + InputFiles = new List<string>(); + CSharpFileOptions.Builder builder = FileOptions.ToBuilder(); + Dictionary<string, FieldDescriptor> fields = + new Dictionary<string, FieldDescriptor>(StringComparer.OrdinalIgnoreCase); + foreach (FieldDescriptor fld in builder.DescriptorForType.Fields) { + fields.Add(fld.Name, fld); + } + + foreach (string argument in Arguments) { + if (StringComparer.OrdinalIgnoreCase.Equals("-help", argument) || + StringComparer.OrdinalIgnoreCase.Equals("/help", argument) || + StringComparer.OrdinalIgnoreCase.Equals("-?", argument) || + StringComparer.OrdinalIgnoreCase.Equals("/?", argument)) { + doHelp = true; + break; + } + + Match m = ArgMatch.Match(argument); + if (m.Success) { + FieldDescriptor fld; + string name = m.Groups["name"].Value; + string value = m.Groups["value"].Value; + + if (fields.TryGetValue(name, out fld)) { + object obj; + if (TryCoerceType(value, fld, out obj, tmpReasons)) { + builder[fld] = obj; + } + } + else if (!File.Exists(argument)) { + doHelp = true; + tmpReasons.Add("Unknown argument '" + name + "'."); + } + else { + InputFiles.Add(argument); + } + } + else { + InputFiles.Add(argument); + } + } + + if (doHelp || InputFiles.Count == 0) { + tmpReasons.Add("Arguments:"); + foreach (KeyValuePair<string, FieldDescriptor> field in fields) { + tmpReasons.Add(String.Format("-{0}=[{1}]", field.Key, field.Value.FieldType)); + } + tmpReasons.Add("followed by one or more file paths."); + } + else { + FileOptions = builder.Build(); + } + } + + private static bool TryCoerceType(string text, FieldDescriptor field, out object value, IList<string> tmpReasons) { + value = null; + + switch (field.FieldType) { + case FieldType.Int32: + case FieldType.SInt32: + case FieldType.SFixed32: + value = Int32.Parse(text); + break; + + case FieldType.Int64: + case FieldType.SInt64: + case FieldType.SFixed64: + value = Int64.Parse(text); + break; + + case FieldType.UInt32: + case FieldType.Fixed32: + value = UInt32.Parse(text); + break; + + case FieldType.UInt64: + case FieldType.Fixed64: + value = UInt64.Parse(text); + break; + + case FieldType.Float: + value = float.Parse(text); + break; + + case FieldType.Double: + value = Double.Parse(text); + break; + + case FieldType.Bool: + value = Boolean.Parse(text); + break; + + case FieldType.String: + value = text; + break; + + case FieldType.Enum: { + EnumDescriptor enumType = field.EnumType; + + int number; + if (int.TryParse(text, out number)) { + value = enumType.FindValueByNumber(number); + if (value == null) { + tmpReasons.Add( + "Enum type \"" + enumType.FullName + + "\" has no value with number " + number + "."); + return false; + } + } + else { + value = enumType.FindValueByName(text); + if (value == null) { + tmpReasons.Add( + "Enum type \"" + enumType.FullName + + "\" has no value named \"" + text + "\"."); + return false; + } + } + + break; + } + + case FieldType.Bytes: + case FieldType.Message: + case FieldType.Group: + tmpReasons.Add("Unhandled field type " + field.FieldType.ToString() + "."); + return false; + } + + return true; + } } -} +}
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