Example #1
0
        /// <summary>Load config values from the content pack.</summary>
        /// <param name="contentPack">The content pack whose config file to read.</param>
        /// <param name="config">The config schema.</param>
        /// <param name="logWarning">The callback to invoke on each validation warning, passed the field name and reason respectively.</param>
        private void LoadConfigValues(IContentPack contentPack, InvariantDictionary <ConfigField> config, Action <string, string> logWarning)
        {
            if (!config.Any())
            {
                return;
            }

            // read raw config
            InvariantDictionary <InvariantHashSet> configValues = new InvariantDictionary <InvariantHashSet>(
                from entry in (contentPack.ReadJsonFile <InvariantDictionary <string> >(this.Filename) ?? new InvariantDictionary <string>())
                let key                         = entry.Key.Trim()
                                      let value = this.ParseCommaDelimitedField(entry.Value)
                                                  select new KeyValuePair <string, InvariantHashSet>(key, value)
                );

            // remove invalid values
            foreach (string key in configValues.Keys.ExceptIgnoreCase(config.Keys).ToArray())
            {
                logWarning(key, "no such field supported by this content pack.");
                configValues.Remove(key);
            }

            // inject default values
            foreach (string key in config.Keys)
            {
                ConfigField field = config[key];
                if (!configValues.TryGetValue(key, out InvariantHashSet values) || (!field.AllowBlank && !values.Any()))
                {
                    configValues[key] = field.DefaultValues;
                }
            }

            // parse each field
            foreach (string key in config.Keys)
            {
                // set value
                ConfigField field = config[key];
                field.Value = configValues[key];

                // validate allow-multiple
                if (!field.AllowMultiple && field.Value.Count > 1)
                {
                    logWarning(key, "field only allows a single value.");
                    field.Value = field.DefaultValues;
                    continue;
                }

                // validate allow-values
                if (field.AllowValues.Any())
                {
                    string[] invalidValues = field.Value.ExceptIgnoreCase(field.AllowValues).ToArray();
                    if (invalidValues.Any())
                    {
                        logWarning(key,
                                   $"found invalid values ({string.Join(", ", invalidValues)}), expected: {string.Join(", ", field.AllowValues)}.");
                        field.Value = field.DefaultValues;
                    }
                }
            }
        }