Implement analyzer

TentacleGuitar · Jun 18, 2016 · e654075 · e654075
1 parent 8d73cc8
commit e654075
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Showing 3 changed files with 70 additions and 3 deletions.
diff --git a/src/TentacleGuitar.Tabular/Analyzer.cs b/src/TentacleGuitar.Tabular/Analyzer.cs
@@ -0,0 +1,43 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using System.Xml;
+
+namespace TentacleGuitar.Tabular
+{
+    public static class Analyzer
+    {
+        public static Tabular ParseMusicXml(string xml)
+        {
+            var ret = new Tabular();
+            var xmlDoc = new XmlDocument();
+            xmlDoc.LoadXml(xml);
+
+            // 获取每分钟节拍数
+            ret.BPM = Convert.ToInt32(xmlDoc.GetElementsByTagName("per-minute").Item(0).Value.ToString());
+
+            // 获取调弦信息
+            var tuning = xmlDoc.GetElementsByTagName("staff-tuning");
+            foreach (XmlNode x in tuning)
+                ret.Staff.Add(new Staff { TuningStep = x.FirstChild.Value.ToString(), TuningOctave = Convert.ToInt32(x.LastChild.Value.ToString()) });
+
+            // 获取全部小节
+            var measures = xmlDoc.GetElementsByTagName("measure");
+            foreach(XmlNode x in measures)
+            {
+                int beats, beatType; // 定义拍号信息
+                int timePerBeat; // 定义每拍占用毫秒数
+
+                // 判断小节是否变奏
+                if (x.ChildNodes.Cast<XmlNode>().Where(y => y.Name == "attributes").Count() > 0 && x.ChildNodes.Cast<XmlNode>().First(y => y.Name == "attributes").Cast<XmlNode>().Where(y => y.Name == "time").Count() > 0)
+                {
+                    var time = x.ChildNodes.Cast<XmlNode>().First(y => y.Name == "attributes").Cast<XmlNode>().Where(y => y.Name == "time").First();
+                    beats = Convert.ToInt32(time.FirstChild.Value.ToString());
+                    beatType = Convert.ToInt32(time.LastChild.Value.ToString());
+                    timePerBeat = 60 * 1000 / ret.BPM;
+                }
+            }
+        }
+    }
+}
diff --git a/src/TentacleGuitar.Tabular/Note.cs b/src/TentacleGuitar.Tabular/Note.cs
@@ -7,8 +7,19 @@ namespace TentacleGuitar.Tabular
 {
     public class Note
     {
+        /// <summary>
+        /// 品
+        /// </summary>
         public int Fret { get; set; }
 
+        /// <summary>
+        /// 弦
+        /// </summary>
         public string String { get; set; }
+
+        /// <summary>
+        /// 持续时长
+        /// </summary>
+        public int Duration { get; set; }
     }
 }
diff --git a/src/TentacleGuitar.Tabular/project.json b/src/TentacleGuitar.Tabular/project.json
@@ -5,11 +5,24 @@
   },
 
   "frameworks": {
-    "net40": { },
-    "net451": { },
+    "net40": {
+      "frameworkAssemblies": {
+        "System.Xml": "4.0.0.0"
+      }
+    },
+    "net451": {
+      "frameworkAssemblies": {
+        "System.Xml": "4.0.0.0"
+      }
+    },
     "netstandard1.5": {
       "dependencies": {
-        "NETStandard.Library": "1.5.0-rc2-24027"
+        "NETStandard.Library": "1.5.0-rc2-24027",
+        "System.Xml.XDocument": "4.0.11-rc2-24027",
+        "System.Xml.ReaderWriter": "4.0.11-rc2-24027",
+        "System.Xml.XmlDocument": "4.0.1-rc2-24027",
+        "System.Xml.XmlSerializer": "4.0.11-rc2-24027",
+        "System.Xml.XPath": "4.0.1-rc2-24027"
       },
       "imports": [
         "dnxcore50",