/**
* Consults the command line arguments for instructions on how and where to locate schema files,
* reads those files in, and returns them.
*/
static IList <string> GatherSchemaFiles(PatternBufferCompilerCommandLine commandLine)
{
// Load the specified file(s)
IList <string> schemaFiles = new List <string>();
Console.WriteLine(commandLine.Input);
// Is it a directory?
if (Directory.Exists(commandLine.Input))
{
// Collect all the files from the directory (and subdirectories if requested)
string[] patternBufferFiles =
Directory.GetFiles(
commandLine.Input,
"*.pb",
commandLine.DoRecurseSubdirectories ?
SearchOption.AllDirectories :
SearchOption.TopDirectoryOnly
);
// Add them to the list
foreach (string patternBufferFile in patternBufferFiles)
{
schemaFiles.Add(patternBufferFile);
}
}
// Is it a file?
else if (File.Exists(commandLine.Input))
{
schemaFiles.Add(commandLine.Input);
}
return(schemaFiles);
}
/**
* The main method that performs cues up the compiler args, gathers files, and feeds it all
* to the actual compiler object.
*/
static void Main(string[] args)
{
// For timing purposes. It's like totally fast, though, don't worry.
Stopwatch stopwatch = new Stopwatch();
stopwatch.Start();
// Gather the command line args
PatternBufferCompilerCommandLine commandLine = new PatternBufferCompilerCommandLine(args);
if (commandLine.DoPrintUsage || commandLine.HasMissingRequiredCommandLineOptions)
{
Environment.Exit(0);
}
// Load the specified file(s)
IList <string> schemaFiles = GatherSchemaFiles(commandLine);
if (schemaFiles.Count == 0)
{
Console.WriteLine("No input file(s) found.");
Environment.Exit(1);
}
// Verify the output path exists
string outputDirectory = commandLine.OutputDirectory;
if (commandLine.OutputDirectory == null)
{
outputDirectory = "./";
}
else if (Directory.Exists(commandLine.OutputDirectory))
{
outputDirectory = commandLine.OutputDirectory;
}
else
{
Console.WriteLine("Specified output directory does not exist.");
Environment.Exit(1);
}
// Append a directory separator if it's missing
if (!(outputDirectory.EndsWith("" + Path.AltDirectorySeparatorChar) || outputDirectory.EndsWith("" + Path.DirectorySeparatorChar)))
{
outputDirectory += Path.AltDirectorySeparatorChar;
}
// Concatenate all the schema files
string schemaText = "";
// A little flag to ignore multiple "name" directives.
bool nameFound = false;
foreach (string file in schemaFiles)
{
Console.WriteLine(file);
string[] allLines = File.ReadAllLines(file);
foreach (string line in allLines)
{
string temp = line.Trim();
// Remember the schema name if you haven't seen one yet.
if (temp.StartsWith("name"))
{
if (!nameFound)
{
schemaText += line;
schemaText += "\r\n";
nameFound = true;
}
}
// Otherwise, not a name line... append and move on.
else
{
schemaText += line;
schemaText += "\r\n";
}
}
}
// Load the schema
PatternBufferSchemaParser loader = new PatternBufferSchemaParser();
PatternBufferSchema schema = loader.Parse(schemaText);
// Create a compiler with the proper namespace
string @namespace =
commandLine.CSharpNamespace != null ?
commandLine.CSharpNamespace :
schema.Name;
PatternBufferCompiler compiler = new PatternBufferCompiler(@namespace);
// Set the custom boilerplate, if any.
if (commandLine.BoilerplateFilePath != null)
{
compiler.Boilerplate = File.ReadAllText(commandLine.BoilerplateFilePath);
}
// Set the type safety flag.
compiler.MakeThreadsafe = commandLine.MakeThreadsafe;
// Compile
Dictionary <string, string> files = compiler.Compile(schema);
// Save all the files.
foreach (string fileName in files.Keys)
{
Console.WriteLine("writing to " + outputDirectory + fileName);
if (fileName.Contains("/"))
{
string subdirectory = outputDirectory + fileName;
subdirectory = subdirectory.Substring(0, subdirectory.LastIndexOf("/"));
if (!Directory.Exists(subdirectory))
{
Console.WriteLine("creating " + subdirectory);
Directory.CreateDirectory(subdirectory);
}
}
File.WriteAllText(outputDirectory + fileName, files[fileName]);
}
stopwatch.Stop();
Console.WriteLine("\nCompiled " + files.Count + " files in " + stopwatch.ElapsedMilliseconds + " ms.");
}