dotnet-installer/src/Microsoft.DotNet.ProjectModel/Files/PatternsCollectionHelper.cs
David Fowler f98159b3bb Renamed ProjectModel project
- Microsoft.Extensions.ProjectModel -> Microsoft.DotNet.ProjectModel
2015-10-29 00:15:12 -07:00

106 lines
4.4 KiB
C#

// Copyright (c) .NET Foundation. All rights reserved.
// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using Microsoft.Extensions.JsonParser.Sources;
namespace Microsoft.Extensions.ProjectModel.Files
{
internal static class PatternsCollectionHelper
{
private static readonly char[] PatternSeparator = new[] { ';' };
public static IEnumerable<string> GetPatternsCollection(JsonObject rawProject,
string projectDirectory,
string projectFilePath,
string propertyName,
IEnumerable<string> defaultPatterns = null,
bool literalPath = false)
{
defaultPatterns = defaultPatterns ?? Enumerable.Empty<string>();
try
{
if (!rawProject.Keys.Contains(propertyName))
{
return CreateCollection(projectDirectory, propertyName, defaultPatterns, literalPath);
}
var valueInString = rawProject.ValueAsString(propertyName);
if (valueInString != null)
{
return CreateCollection(projectDirectory, propertyName, new string[] { valueInString }, literalPath);
}
var valuesInArray = rawProject.ValueAsStringArray(propertyName);
if (valuesInArray != null)
{
return CreateCollection(projectDirectory, propertyName, valuesInArray.Select(s => s.ToString()), literalPath);
}
}
catch (Exception ex)
{
throw FileFormatException.Create(ex, rawProject.Value(propertyName), projectFilePath);
}
throw FileFormatException.Create("Value must be either string or array.", rawProject.Value(propertyName), projectFilePath);
}
private static IEnumerable<string> CreateCollection(string projectDirectory, string propertyName, IEnumerable<string> patternsStrings, bool literalPath)
{
var patterns = patternsStrings.SelectMany(patternsString => GetSourcesSplit(patternsString))
.Select(patternString => patternString.Replace('/', Path.DirectorySeparatorChar).Replace('\\', Path.DirectorySeparatorChar));
foreach (var pattern in patterns)
{
if (Path.IsPathRooted(pattern))
{
throw new InvalidOperationException($"The '{propertyName}' property cannot be a rooted path.");
}
if (literalPath && pattern.Contains('*'))
{
throw new InvalidOperationException($"The '{propertyName}' property cannot contain wildcard characters.");
}
}
return new List<string>(patterns.Select(pattern => FolderToPattern(pattern, projectDirectory)));
}
private static IEnumerable<string> GetSourcesSplit(string sourceDescription)
{
if (string.IsNullOrEmpty(sourceDescription))
{
return Enumerable.Empty<string>();
}
return sourceDescription.Split(PatternSeparator, StringSplitOptions.RemoveEmptyEntries);
}
private static string FolderToPattern(string candidate, string projectDir)
{
// This conversion is needed to support current template
// If it's already a pattern, no change is needed
if (candidate.Contains('*'))
{
return candidate;
}
// If the given string ends with a path separator, or it is an existing directory
// we convert this folder name to a pattern matching all files in the folder
if (candidate.EndsWith(@"\") ||
candidate.EndsWith("/") ||
Directory.Exists(Path.Combine(projectDir, candidate)))
{
return Path.Combine(candidate, "**", "*");
}
// Otherwise, it represents a single file
return candidate;
}
}
}