// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
 
// THE ASSEMBLY BUILT FROM THIS SOURCE FILE HAS BEEN DEPRECATED FOR YEARS. IT IS BUILT ONLY TO PROVIDE
// BACKWARD COMPATIBILITY FOR API USERS WHO HAVE NOT YET MOVED TO UPDATED APIS. PLEASE DO NOT SEND PULL
// REQUESTS THAT CHANGE THIS FILE WITHOUT FIRST CHECKING WITH THE MAINTAINERS THAT THE FIX IS REQUIRED.
 
using System;
using System.Collections.Generic;
using System.Xml;
 
namespace Microsoft.Build.BuildEngine
{
    internal static class VCProjectParser
    {
        /// <summary>
        /// For a given VC project, retrieves the projects it references
        /// </summary>
        /// <param name="projectPath"></param>
        /// <returns></returns>
        /// <owner>LukaszG</owner>
        internal static List<string> GetReferencedProjectGuids(XmlDocument project)
        {
            List<string> referencedProjectGuids = new List<string>();
 
            XmlNodeList referenceElements = project.DocumentElement.GetElementsByTagName("References");
 
            if (referenceElements.Count > 0)
            {
                foreach (XmlElement referenceElement in ((XmlElement)referenceElements[0]).GetElementsByTagName("ProjectReference"))
                {
                    string referencedProjectGuid = referenceElement.GetAttribute("ReferencedProjectIdentifier");
 
                    if (!string.IsNullOrEmpty(referencedProjectGuid))
                    {
                        referencedProjectGuids.Add(referencedProjectGuid);
                    }
                }
            }
 
            return referencedProjectGuids;
        }
 
        /// <summary>
        /// Is the project built as a static library for the given configuration?
        /// </summary>
        internal static bool IsStaticLibrary(XmlDocument project, string configurationName)
        {
            XmlNodeList configurationsElements = project.DocumentElement.GetElementsByTagName("Configurations");
            bool isStaticLibrary = false;
 
            // There should be only one configurations element
            if (configurationsElements.Count > 0)
            {
                foreach (XmlNode configurationNode in configurationsElements[0].ChildNodes)
                {
                    if (configurationNode.NodeType == XmlNodeType.Element)
                    {
                        XmlElement element = (XmlElement)configurationNode;
 
                        // Look for configuration that matches our name
                        if ((string.Equals(element.Name, "Configuration", StringComparison.OrdinalIgnoreCase)) &&
                            (string.Equals(element.GetAttribute("Name"), configurationName, StringComparison.OrdinalIgnoreCase)))
                        {
                            XmlElement configurationElement = element;
                            string configurationType = configurationElement.GetAttribute("ConfigurationType");
                            isStaticLibrary = (configurationType == "4");
 
                            // we found our configuration, nothing more to do here
                            break;
                        }
                    }
                }
            }
 
            return isStaticLibrary;
        }
    }
}