public override void UpdateVars()
        {
            projectReferences = new List <ProjectReference>();
            if (m_Properties.Contains("projectReferences"))
            {
                var el = m_Properties["projectReferences"].AsArray();
                foreach (var value in el.values)
                {
                    PBXElementDict dict = value.AsDict();
                    if (dict.Contains("ProductGroup") && dict.Contains("ProjectRef"))
                    {
                        string group      = dict["ProductGroup"].AsString();
                        string projectRef = dict["ProjectRef"].AsString();
                        projectReferences.Add(ProjectReference.Create(group, projectRef));
                    }
                }
            }
            targets         = GetPropertyList("targets");
            buildConfigList = GetPropertyString("buildConfigurationList");

            // update knownAssetTags
            knownAssetTags = new List <string>();
            if (m_Properties.Contains("attributes"))
            {
                var el = m_Properties["attributes"].AsDict();
                if (el.Contains("knownAssetTags"))
                {
                    var tags = el["knownAssetTags"].AsArray();
                    foreach (var tag in tags.values)
                    {
                        knownAssetTags.Add(tag.AsString());
                    }
                }

                capabilities = new List <PBXCapabilityType.TargetCapabilityPair>();
                teamIDs      = new Dictionary <string, string>();

                if (el.Contains("TargetAttributes"))
                {
                    var targetAttr = el["TargetAttributes"].AsDict();
                    foreach (var attr in targetAttr.values)
                    {
                        if (attr.Key == "DevelopmentTeam")
                        {
                            teamIDs.Add(attr.Key, attr.Value.AsString());
                        }

                        if (attr.Key == "SystemCapabilities")
                        {
                            var caps = el["SystemCapabilities"].AsDict();
                            foreach (var cap in caps.values)
                            {
                                capabilities.Add(new PBXCapabilityType.TargetCapabilityPair(attr.Key, PBXCapabilityType.StringToPBXCapabilityType(cap.Value.AsString())));
                            }
                        }
                    }
                }
            }
        }
        public static void WriteDict(StringBuilder sb, PBXElementDict el, int indent, bool compact,
                                     PropertyCommentChecker checker, GUIDToCommentMap comments)
        {
            sb.Append("{");

            if (el.Contains("isa"))
            {
                WriteDictKeyValue(sb, "isa", el["isa"], indent + 1, compact, checker, comments);
            }
            var keys = new List <string>(el.values.Keys);

            keys.Sort(StringComparer.Ordinal);
            foreach (var key in keys)
            {
                if (key != "isa")
                {
                    WriteDictKeyValue(sb, key, el[key], indent + 1, compact, checker, comments);
                }
            }
            if (!compact)
            {
                sb.Append("\n");
                sb.Append(GetIndent(indent));
            }
            sb.Append("}");
        }
        public override void UpdateProps()
        {
            SetPropertyString("fileRef", fileRef);

            PBXElementDict settings = null;

            if (m_Properties.Contains("settings"))
            {
                settings = m_Properties["settings"].AsDict();
            }

            if (compileFlags != null && compileFlags != "")
            {
                if (settings == null)
                {
                    settings = m_Properties.CreateDict("settings");
                }
                settings.SetString("COMPILER_FLAGS", compileFlags);
            }
            else
            {
                if (settings != null)
                {
                    settings.Remove("COMPILER_FLAGS");
                }
            }

            if (weak)
            {
                if (settings == null)
                {
                    settings = m_Properties.CreateDict("settings");
                }
                PBXElementArray attrs = null;
                if (settings.Contains("ATTRIBUTES"))
                {
                    attrs = settings["ATTRIBUTES"].AsArray();
                }
                else
                {
                    attrs = settings.CreateArray("ATTRIBUTES");
                }

                bool exists = false;
                foreach (var value in attrs.values)
                {
                    if (value is PBXElementString && value.AsString() == "Weak")
                    {
                        exists = true;
                    }
                }
                if (!exists)
                {
                    attrs.AddString("Weak");
                }
            }
            else
            {
                if (settings != null && settings.Contains("ATTRIBUTES"))
                {
                    var attrs = settings["ATTRIBUTES"].AsArray();
                    attrs.values.RemoveAll(el => (el is PBXElementString && el.AsString() == "Weak"));
                    if (attrs.values.Count == 0)
                    {
                        settings.Remove("ATTRIBUTES");
                    }
                }
            }

            if (assetTags.Count > 0)
            {
                if (settings == null)
                {
                    settings = m_Properties.CreateDict("settings");
                }
                var tagsArray = settings.CreateArray("ASSET_TAGS");
                foreach (string tag in assetTags)
                {
                    tagsArray.AddString(tag);
                }
            }
            else
            {
                if (settings != null)
                {
                    settings.Remove("ASSET_TAGS");
                }
            }

            if (settings != null && settings.values.Count == 0)
            {
                m_Properties.Remove("settings");
            }
        }