Fody.Stamp/Fody/Internal/FormatStringTokenResolver.cs at fc771874b44505aaf15f17deb99c29e91db0b5f6 · 304NotModified/Fody.Stamp · GitHub

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using System;
using System.Text.RegularExpressions;
using LibGit2Sharp;

namespace Stamp.Fody.Internal
{
    using Version = System.Version;

    internal static class FormatStringTokenResolver
    {
        private static Regex reEnvironmentToken = new Regex(@"%env\[([^\]]+)]%");
        private static Regex reNow = new Regex(@"%now:([^%]+)%");
        private static Regex reUtcNow = new Regex(@"%utcnow:([^%]+)%");

        private static DateTime now = DateTime.Now;
        private static DateTime utcNow = DateTime.UtcNow;

        public static string ReplaceTokens(string template, Version version, Repository repo, string changestring)
        {
            var branch = repo.Head;

            template = template.Replace("%version%", version.ToString());
            template = template.Replace("%version1%", version.ToString(1));
            template = template.Replace("%version2%", version.ToString(2));
            template = template.Replace("%version3%", version.ToString(3));
            template = template.Replace("%version4%", version.ToString(4));

            template = template.Replace("%now%", now.ToShortDateString());
            template = template.Replace("%utcnow%", utcNow.ToShortDateString());

            template = template.Replace("%githash%", branch.Tip.Sha);
            template = template.Replace("%shorthash%", branch.Tip.Sha.Substring(0, 8));
            template = template.Replace("%branch%", branch.FriendlyName);
            template = template.Replace("%haschanges%", repo.IsClean() ? "" : changestring);

            template = template.Replace("%user%", FormatUserName());
            template = template.Replace("%machine%", Environment.MachineName);

            template = template.Replace("%lasttag%", repo.FindVersionTag());

            template = reEnvironmentToken.Replace(template, FormatEnvironmentVariable);
            template = reNow.Replace(template, FormatTime);
            template = reUtcNow.Replace(template, FormatUtcTime);

            return template.Trim();
        }

        private static string FormatUserName()
        {
            return string.IsNullOrWhiteSpace(Environment.UserDomainName)
                ? Environment.UserName
                : $@"{Environment.UserDomainName}\{Environment.UserName}";
        }

        private static string FormatEnvironmentVariable(Match match)
        {
            return Environment.GetEnvironmentVariable(match.Groups[1].Value);
        }

        private static string FormatTime(Match match)
        {
            return now.ToString(match.Groups[1].Value);
        }

        private static string FormatUtcTime(Match match)
        {
            return utcNow.ToString(match.Groups[1].Value);
        }
    }
}