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//
// Main.cs
//
// Author:
// Michael Hutchinson <mhutchinson@novell.com>
//
// Copyright (c) 2009 Novell, Inc. (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
using System;
using System.IO;
using System.Collections.Generic;
using Mono.Options;
namespace Mono.TextTemplating
{
class TextTransform
{
static OptionSet optionSet;
const string name ="TextTransform.exe";
public static int Main (string[] args)
{
if (args.Length == 0) {
ShowHelp (true);
}
var generator = new TemplateGenerator ();
string outputFile = null, inputFile = null;
var directives = new List<string> ();
var parameters = new List<string> ();
// var session = new Microsoft.VisualStudio.TextTemplating.TextTemplatingSession ();
string preprocess = null;
optionSet = new OptionSet () {
{ "o=|out=", "The name of the output {file}", s => outputFile = s },
{ "r=", "Assemblies to reference", s => generator.Refs.Add (s) },
{ "u=", "Namespaces to import <{0:namespace}>", s => generator.Imports.Add (s) },
{ "I=", "Paths to search for included files", s => generator.IncludePaths.Add (s) },
{ "P=", "Paths to search for referenced assemblies", s => generator.ReferencePaths.Add (s) },
{ "dp=", "Directive processor (name!class!assembly)", s => directives.Add (s) },
{ "a=", "Parameters ([processorName]![directiveName]!name!value)", s => parameters.Add (s) },
{ "h|?|help", "Show help", s => ShowHelp (false) },
// { "k=,", "Session {key},{value} pairs", (s, t) => session.Add (s, t) },
{ "c=", "Preprocess the template into {0:class}", (s) => preprocess = s },
};
var remainingArgs = optionSet.Parse (args);
if (remainingArgs.Count != 1) {
Console.Error.WriteLine ("No input file specified.");
return -1;
}
inputFile = remainingArgs [0];
if (!File.Exists (inputFile)) {
Console.Error.WriteLine ("Input file '{0}' does not exist.");
return -1;
}
if (string.IsNullOrEmpty (outputFile)) {
outputFile = inputFile;
if (Path.HasExtension (outputFile)) {
var dir = Path.GetDirectoryName (outputFile);
var fn = Path.GetFileNameWithoutExtension (outputFile);
outputFile = Path.Combine (dir, fn + ".txt");
} else {
outputFile = outputFile + ".txt";
}
}
//FIXME: implement quoting and escaping for values
foreach (var par in parameters) {
var split = par.Split ('!');
if (split.Length < 2) {
Console.Error.WriteLine ("Parameter does not have enough values: {0}", par);
return -1;
}
if (split.Length > 2) {
Console.Error.WriteLine ("Parameter has too many values: {0}", par);
return -1;
}
string name = split[split.Length-2];
string val = split[split.Length-1];
if (string.IsNullOrEmpty (name)) {
Console.Error.WriteLine ("Parameter has no name: {0}", par);
return -1;
}
generator.AddParameter (split.Length > 3? split[0] : null, split.Length > 2? split[split.Length-3] : null, name, val);
}
foreach (var dir in directives) {
var split = dir.Split ('!');
if (split.Length != 3) {
Console.Error.WriteLine ("Directive does not have correct number of values: {0}", dir);
return -1;
}
foreach (var s in split) {
if (string.IsNullOrEmpty (s)) {
Console.Error.WriteLine ("Directive has missing value: {0}", dir);
return -1;
}
}
generator.AddDirectiveProcessor (split[0], split[1], split[2]);
}
if (preprocess == null) {
generator.ProcessTemplate (inputFile, outputFile);
if (generator.Errors.HasErrors) {
Console.WriteLine ("Processing '{0}' failed.", inputFile);
}
} else {
string className = preprocess;
string classNamespace = null;
int s = preprocess.LastIndexOf ('.');
if (s > 0) {
classNamespace = preprocess.Substring (0, s);
className = preprocess.Substring (s + 1);
}
string language;
string[] references;
generator.PreprocessTemplate (inputFile, className, classNamespace, outputFile, System.Text.Encoding.UTF8,
out language, out references);
if (generator.Errors.HasErrors) {
Console.Write ("Preprocessing '{0}' into class '{1}.{2}' failed.", inputFile, classNamespace, className);
}
}
foreach (System.CodeDom.Compiler.CompilerError err in generator.Errors)
Console.Error.WriteLine ("{0}({1},{2}): {3} {4}", err.FileName, err.Line, err.Column,
err.IsWarning? "WARNING" : "ERROR", err.ErrorText);
return generator.Errors.HasErrors? -1 : 0;
}
static void ShowHelp (bool concise)
{
Console.WriteLine ("TextTransform command line T4 processor");
Console.WriteLine ("Usage: {0} [options] input-file", name);
if (concise) {
Console.WriteLine ("Use --help to display options.");
} else {
Console.WriteLine ("Options:");
optionSet.WriteOptionDescriptions (System.Console.Out);
}
Console.WriteLine ();
Environment.Exit (0);
}
}
}
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