Merge pull request #252 from devhawk/devhawk/concfg-support

Add support for parsing concfg presets

tools/ColorTool/ColorTool/JsonParser.cs

@@ -0,0 +1,92 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Runtime.Serialization.Json;
+using System.Text;
+using System.Threading.Tasks;
+using System.Xml;
+using static ColorTool.ConsoleAPI;
+
+namespace ColorTool
+{
+    class JsonParser : ISchemeParser
+    {
+        static string[] CONCFG_COLOR_NAMES = {
+            "black",        // DARK_BLACK
+            "dark_blue",    // DARK_BLUE
+            "dark_green",   // DARK_GREEN
+            "dark_cyan",    // DARK_CYAN
+            "dark_red",     // DARK_RED
+            "dark_magenta", // DARK_MAGENTA
+            "dark_yellow",  // DARK_YELLOW
+            "gray",         // DARK_WHITE
+            "dark_gray",    // BRIGHT_BLACK
+            "blue",         // BRIGHT_BLUE
+            "green",        // BRIGHT_GREEN
+            "cyan",         // BRIGHT_CYAN
+            "red",          // BRIGHT_RED
+            "magenta",      // BRIGHT_MAGENTA
+            "yellow",       // BRIGHT_YELLOW
+            "white"         // BRIGHT_WHITE
+        };
+
+        public string Name => "concfg Parser";
+
+        static uint ParseColor(string arg)
+        {
+            System.Drawing.Color col = System.Drawing.ColorTranslator.FromHtml(arg);
+            return RGB(col.R, col.G, col.B);
+        }
+
+        static XmlDocument loadJsonFile(string schemeName)
+        {
+            XmlDocument xmlDoc = new XmlDocument();
+            foreach (string path in Scheme.GetSearchPaths(schemeName, ".json")
+                              .Where(File.Exists))
+            {
+                try
+                {
+                    var data = File.ReadAllBytes(path);
+                    var reader = JsonReaderWriterFactory.CreateJsonReader(data, System.Xml.XmlDictionaryReaderQuotas.Max);
+                    xmlDoc.Load(reader);
+                    return xmlDoc;
+                }
+                catch (XmlException /*e*/) { /* failed to parse */ }
+                catch (IOException /*e*/) { /* failed to find */ }
+                catch (UnauthorizedAccessException /*e*/) { /* unauthorized */ }
+            }
+
+            return null;
+        }
+
+        public ColorScheme ParseScheme(string schemeName, bool reportErrors = true)
+        {
+            XmlDocument xmlDoc = loadJsonFile(schemeName);
+            if (xmlDoc == null) return null;
+
+            try
+            {
+                XmlNode root = xmlDoc.DocumentElement;
+                XmlNodeList children = root.ChildNodes;
+                uint[] colorTable = new uint[COLOR_TABLE_SIZE]; ;
+                for (int i = 0; i < COLOR_TABLE_SIZE; i++)
+                {
+                    string name = CONCFG_COLOR_NAMES[i];
+                    var node = children.OfType<XmlNode>().Where(n => n.Name == name).Single();
+                    colorTable[i] = ParseColor(node.InnerText);
+                }
+                return new ColorScheme { colorTable = colorTable };
+            }
+            catch (Exception /*e*/)
+            {
+                if (reportErrors)
+                {
+                    Console.WriteLine("failes to load json scheme");
+                }
+
+                return null;
+            }
+        }
+    }
+}