private static int ModifyPackagePaths(MsBuild.Project project, IReadOnlyCollection <IVsPackageMetadata> packages, string slnDir, ModifyPackagePathDelegate modifyPackagePath)
{
const string pathAttributeName = "HintPath";
var projectDirPath = project.DirectoryPath;
var result = 0;
foreach (var reference in project.GetItems("Reference").Where(r => r.HasMetadata(pathAttributeName)))
{
var metadata = reference.GetMetadata(pathAttributeName);
var newPath = modifyPackagePath(metadata.EvaluatedValue, metadata.UnevaluatedValue, packages, slnDir, projectDirPath);
result += SetIfNew("reference", x => metadata.UnevaluatedValue = x, newPath, metadata.UnevaluatedValue);
}
foreach (var import in project.Imports)
{
var unevaluatedOldPath = import.ImportingElement.Project;
var evaluatedOldPath = import.ImportedProject.FullPath;
var newPath = modifyPackagePath(evaluatedOldPath, unevaluatedOldPath, packages, slnDir, projectDirPath);
result += SetIfNew("import path", x => import.ImportingElement.Project = x, newPath, unevaluatedOldPath);
var oldCondition = import.ImportingElement.Condition;
var newCondition = GetNewImportCondition(oldCondition, evaluatedOldPath, unevaluatedOldPath, packages, slnDir, projectDirPath, modifyPackagePath);
result += SetIfNew("import condition", x => import.ImportingElement.Condition = x, newCondition, oldCondition);
}
var errors = project.Xml.Targets
.Where(x => x.Name == "EnsureNuGetPackageBuildImports")
.SelectMany(t => t.Children)
.OfType <ProjectTaskElement>()
.Where(x => x.Name == "Error");
foreach (var error in errors)
{
var oldCondition = error.Condition;
var newCondition = GetNewErrorCondition(oldCondition, packages, slnDir, projectDirPath, modifyPackagePath, project);
result += SetIfNew("error condition", x => error.Condition = x, newCondition, oldCondition);
var oldText = error.GetParameter("Text");
var newText = GetNewErrorText(oldText, packages, slnDir, projectDirPath, modifyPackagePath, project);
result += SetIfNew("error text", x => error.SetParameter("Text", x), newText, oldText);
}
return(result);
}
private static string GetNewErrorCondition(string oldCondition, IEnumerable <IVsPackageMetadata> packages, string slnDir, string projectDirPath, ModifyPackagePathDelegate modifyPackagePath, MsBuild.Project project)
{
return(Regex.Replace
(oldCondition
, @"(?<=^!Exists\(').*(?='\)$)"
, m => modifyPackagePath(MsBuildHelper.Evaluate(m.Value, project), m.Value, packages, slnDir, projectDirPath) ?? m.Value
));
}
private static string GetNewImportCondition(string oldCondition, string evaluatedOldPath, string unevaluatedOldPath, IEnumerable <IVsPackageMetadata> packages, string slnDir, string projectDirPath, ModifyPackagePathDelegate modifyPackagePath)
{
return(Regex.Replace
(oldCondition
, $@"(?<=^Exists\('){Regex.Escape(unevaluatedOldPath)}(?='\)$)"
, m => modifyPackagePath(evaluatedOldPath, m.Value, packages, slnDir, projectDirPath) ?? m.Value
));
}
private static string GetNewErrorText(string oldText, IEnumerable <IVsPackageMetadata> packages, string slnDir, string projectDirPath, ModifyPackagePathDelegate modifyPackagePath, MsBuild.Project project)
{
return(Regex.Replace
(oldText
, @"(?<=^\$\(\[System\.String\]::Format\('\$\(ErrorText\)', ').*(?='\)\)$)"
, m => modifyPackagePath(MsBuildHelper.Evaluate(m.Value, project), m.Value, packages, slnDir, projectDirPath) ?? m.Value
));
}
