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-rw-r--r--src/ProtoGen/ProgramPreprocess.cs339
1 files changed, 186 insertions, 153 deletions
diff --git a/src/ProtoGen/ProgramPreprocess.cs b/src/ProtoGen/ProgramPreprocess.cs
index 3cc0826d..ed582989 100644
--- a/src/ProtoGen/ProgramPreprocess.cs
+++ b/src/ProtoGen/ProgramPreprocess.cs
@@ -1,153 +1,186 @@
-using System;
-using System.Collections.Generic;
-using System.Diagnostics;
-using System.IO;
-
-namespace Google.ProtocolBuffers.ProtoGen {
- /// <summary>
- /// Preprocesses any input files with an extension of '.proto' by running protoc.exe. If arguments
- /// are supplied with '--' prefix they are provided to protoc.exe, otherwise they are assumed to
- /// be used for ProtoGen.exe which is run on the resulting output proto buffer. If the option
- /// --descriptor_set_out= is specified the proto buffer file is kept, otherwise it will be removed
- /// after code generation.
- /// </summary>
- public class ProgramPreprocess {
- private static int Main(string[] args) {
- try {
- return Environment.ExitCode = Run(args);
- }
- catch (Exception ex) {
- Console.Error.WriteLine(ex);
- return Environment.ExitCode = 2;
- }
- }
-
- public static int Run(params string[] args) {
- bool deleteFile = false;
- string tempFile = null;
- int result;
- bool doHelp = args.Length == 0;
- try {
- List<string> protocArgs = new List<string>();
- List<string> protoGenArgs = new List<string>();
-
- foreach (string arg in args) {
- doHelp |= StringComparer.OrdinalIgnoreCase.Equals(arg, "/?");
- doHelp |= StringComparer.OrdinalIgnoreCase.Equals(arg, "/help");
- doHelp |= StringComparer.OrdinalIgnoreCase.Equals(arg, "-?");
- doHelp |= StringComparer.OrdinalIgnoreCase.Equals(arg, "-help");
-
- if (arg.StartsWith("--descriptor_set_out=")) {
- tempFile = arg.Substring("--descriptor_set_out=".Length);
- protoGenArgs.Add(tempFile);
- }
- }
-
- if (doHelp) {
- Console.WriteLine();
- Console.WriteLine("PROTOC.exe: Use any of the following options that begin with '--':");
- Console.WriteLine();
- try {
- RunProtoc("--help");
- }
- catch (Exception ex) {
- Console.Error.WriteLine(ex.Message);
- }
- Console.WriteLine();
- Console.WriteLine();
- Console.WriteLine("PROTOGEN.exe: The following options are used to specify defaults for code generation.");
- Console.WriteLine();
- Program.Main(new string[0]);
- return 0;
- }
-
- foreach (string arg in args) {
- if (arg.StartsWith("--")) {
- protocArgs.Add(arg);
- }
- else if (File.Exists(arg) && StringComparer.OrdinalIgnoreCase.Equals(".proto", Path.GetExtension(arg))) {
- if (tempFile == null) {
- deleteFile = true;
- tempFile = Path.GetTempFileName();
- protocArgs.Add(String.Format("--descriptor_set_out={0}", tempFile));
- protoGenArgs.Add(tempFile);
- }
- protocArgs.Add(arg);
- }
- else {
- protoGenArgs.Add(arg);
- }
- }
-
- if (tempFile != null) {
- result = RunProtoc(protocArgs.ToArray());
- if (result != 0) {
- return result;
- }
- }
-
- result = Program.Main(protoGenArgs.ToArray());
- }
- finally {
- if (deleteFile && tempFile != null && File.Exists(tempFile)) {
- File.Delete(tempFile);
- }
- }
- return result;
- }
-
- private static int RunProtoc(params string[] args) {
- const string protoc = "protoc.exe";
- string exePath = protoc;
-
- // Why oh why is this not in System.IO.Path or Environment...?
- List<string> searchPath = new List<string>();
- searchPath.Add(Environment.CurrentDirectory);
- searchPath.Add(AppDomain.CurrentDomain.BaseDirectory);
- searchPath.AddRange((Environment.GetEnvironmentVariable("PATH") ?? String.Empty).Split(Path.PathSeparator));
-
- foreach (string path in searchPath) {
- if (File.Exists(exePath = Path.Combine(path, protoc))) {
- break;
- }
- }
-
- if (!File.Exists(exePath)) {
- throw new FileNotFoundException("Unable to locate " + protoc + " make sure it is in the PATH, cwd, or exe dir.");
- }
-
- for (int i = 0; i < args.Length; i++) {
- if (args[i].IndexOf(' ') > 0 && args[i][0] != '"') {
- args[i] = '"' + args[i] + '"';
- }
- }
-
- ProcessStartInfo psi = new ProcessStartInfo(exePath);
- psi.Arguments = String.Join(" ", args);
- psi.RedirectStandardError = true;
- psi.RedirectStandardInput = false;
- psi.RedirectStandardOutput = true;
- psi.ErrorDialog = false;
- psi.CreateNoWindow = true;
- psi.UseShellExecute = false;
- psi.WorkingDirectory = Environment.CurrentDirectory;
-
- Process process = Process.Start(psi);
- if (process == null) {
- return 1;
- }
-
- process.WaitForExit();
-
- string tmp = process.StandardOutput.ReadToEnd();
- if (tmp.Trim().Length > 0) {
- Console.Out.WriteLine(tmp);
- }
- tmp = process.StandardError.ReadToEnd();
- if (tmp.Trim().Length > 0) {
- Console.Error.WriteLine(tmp);
- }
- return process.ExitCode;
- }
- }
-}
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.IO;
+
+namespace Google.ProtocolBuffers.ProtoGen
+{
+ /// <summary>
+ /// Preprocesses any input files with an extension of '.proto' by running protoc.exe. If arguments
+ /// are supplied with '--' prefix they are provided to protoc.exe, otherwise they are assumed to
+ /// be used for ProtoGen.exe which is run on the resulting output proto buffer. If the option
+ /// --descriptor_set_out= is specified the proto buffer file is kept, otherwise it will be removed
+ /// after code generation.
+ /// </summary>
+ public class ProgramPreprocess
+ {
+ private static int Main(string[] args)
+ {
+ try
+ {
+ return Environment.ExitCode = Run(args);
+ }
+ catch (Exception ex)
+ {
+ Console.Error.WriteLine(ex);
+ return Environment.ExitCode = 2;
+ }
+ }
+
+ public static int Run(params string[] args)
+ {
+ bool deleteFile = false;
+ string tempFile = null;
+ int result;
+ bool doHelp = args.Length == 0;
+ try
+ {
+ List<string> protocArgs = new List<string>();
+ List<string> protoGenArgs = new List<string>();
+
+ foreach (string arg in args)
+ {
+ doHelp |= StringComparer.OrdinalIgnoreCase.Equals(arg, "/?");
+ doHelp |= StringComparer.OrdinalIgnoreCase.Equals(arg, "/help");
+ doHelp |= StringComparer.OrdinalIgnoreCase.Equals(arg, "-?");
+ doHelp |= StringComparer.OrdinalIgnoreCase.Equals(arg, "-help");
+
+ if (arg.StartsWith("--descriptor_set_out="))
+ {
+ tempFile = arg.Substring("--descriptor_set_out=".Length);
+ protoGenArgs.Add(tempFile);
+ }
+ }
+
+ if (doHelp)
+ {
+ Console.WriteLine();
+ Console.WriteLine("PROTOC.exe: Use any of the following options that begin with '--':");
+ Console.WriteLine();
+ try
+ {
+ RunProtoc("--help");
+ }
+ catch (Exception ex)
+ {
+ Console.Error.WriteLine(ex.Message);
+ }
+ Console.WriteLine();
+ Console.WriteLine();
+ Console.WriteLine(
+ "PROTOGEN.exe: The following options are used to specify defaults for code generation.");
+ Console.WriteLine();
+ Program.Main(new string[0]);
+ return 0;
+ }
+
+ foreach (string arg in args)
+ {
+ if (arg.StartsWith("--"))
+ {
+ protocArgs.Add(arg);
+ }
+ else if (File.Exists(arg) &&
+ StringComparer.OrdinalIgnoreCase.Equals(".proto", Path.GetExtension(arg)))
+ {
+ if (tempFile == null)
+ {
+ deleteFile = true;
+ tempFile = Path.GetTempFileName();
+ protocArgs.Add(String.Format("--descriptor_set_out={0}", tempFile));
+ protoGenArgs.Add(tempFile);
+ }
+ protocArgs.Add(arg);
+ }
+ else
+ {
+ protoGenArgs.Add(arg);
+ }
+ }
+
+ if (tempFile != null)
+ {
+ result = RunProtoc(protocArgs.ToArray());
+ if (result != 0)
+ {
+ return result;
+ }
+ }
+
+ result = Program.Main(protoGenArgs.ToArray());
+ }
+ finally
+ {
+ if (deleteFile && tempFile != null && File.Exists(tempFile))
+ {
+ File.Delete(tempFile);
+ }
+ }
+ return result;
+ }
+
+ private static int RunProtoc(params string[] args)
+ {
+ const string protoc = "protoc.exe";
+ string exePath = protoc;
+
+ // Why oh why is this not in System.IO.Path or Environment...?
+ List<string> searchPath = new List<string>();
+ searchPath.Add(Environment.CurrentDirectory);
+ searchPath.Add(AppDomain.CurrentDomain.BaseDirectory);
+ searchPath.AddRange((Environment.GetEnvironmentVariable("PATH") ?? String.Empty).Split(Path.PathSeparator));
+
+ foreach (string path in searchPath)
+ {
+ if (File.Exists(exePath = Path.Combine(path, protoc)))
+ {
+ break;
+ }
+ }
+
+ if (!File.Exists(exePath))
+ {
+ throw new FileNotFoundException("Unable to locate " + protoc +
+ " make sure it is in the PATH, cwd, or exe dir.");
+ }
+
+ for (int i = 0; i < args.Length; i++)
+ {
+ if (args[i].IndexOf(' ') > 0 && args[i][0] != '"')
+ {
+ args[i] = '"' + args[i] + '"';
+ }
+ }
+
+ ProcessStartInfo psi = new ProcessStartInfo(exePath);
+ psi.Arguments = String.Join(" ", args);
+ psi.RedirectStandardError = true;
+ psi.RedirectStandardInput = false;
+ psi.RedirectStandardOutput = true;
+ psi.ErrorDialog = false;
+ psi.CreateNoWindow = true;
+ psi.UseShellExecute = false;
+ psi.WorkingDirectory = Environment.CurrentDirectory;
+
+ Process process = Process.Start(psi);
+ if (process == null)
+ {
+ return 1;
+ }
+
+ process.WaitForExit();
+
+ string tmp = process.StandardOutput.ReadToEnd();
+ if (tmp.Trim().Length > 0)
+ {
+ Console.Out.WriteLine(tmp);
+ }
+ tmp = process.StandardError.ReadToEnd();
+ if (tmp.Trim().Length > 0)
+ {
+ Console.Error.WriteLine(tmp);
+ }
+ return process.ExitCode;
+ }
+ }
+} \ No newline at end of file