ViewBuilder fileName

haxework/gui/ViewBuilder.hx

@@ -7,22 +7,16 @@ import haxe.macro.Context;
 @:remove @:autoBuild(haxework.gui.ViewBuilderImpl.build())
 extern interface ViewBuilder {}
 
-typedef BuildData = {
-  var fields:Array<Field>;
-  var exprs:Array<Expr>;
-  var style:Dynamic;
-}
-
-class ViewBuilderImpl {
 #if macro
-  static function loadFile(path:String, json:Bool = true) {
-    var p = Context.resolvePath(path);
-    Context.registerModuleDependency(Context.getLocalModule(), p);
-    var content = sys.io.File.getContent(p);
+private class BuilderUtil {
+
+  public static function loadFile(path:String, json:Bool = true) {
+    Context.registerModuleDependency(Context.getLocalModule(), path);
+    var content = sys.io.File.getContent(path);
     return json ? Json.parse(content) : content;
   }
 
-  private static function getMeta(key:String):Array<String> {
+  public static function getMeta(key:String):Array<String> {
     var c = Context.getLocalClass().get();
     for (meta in c.meta.get()) {
       if (meta.name == key) {
@@ -34,10 +28,45 @@ class ViewBuilderImpl {
     }
     return [];
   }
+}
 
-  private static var i = 0;
+private class Builder {
 
-  private static function specialValue(data:BuildData, name:String, key:String, a:Array<String>):Dynamic {
+  private var templateFile:String;
+  private var templateKey:String;
+  private var styleFile:String;
+
+  private var template:Dynamic;
+  private var fields:Array<Field>;
+  private var exprs:Array<Expr>;
+  private var style:Dynamic;
+
+  private var i:Int;
+
+  public function new() {
+    var templateMeta = BuilderUtil.getMeta(":template");
+    var templatePath = templateMeta[0].split("@");
+    templateFile = Context.resolvePath(templatePath[0]);
+    templateKey = templatePath[1];
+
+    template = BuilderUtil.loadFile(templateFile);
+    if (templateKey != null) template = Reflect.field(template, templateKey);
+
+    if (templateMeta[1] != null) {
+      styleFile = Context.resolvePath(templateMeta[1]);
+      style = BuilderUtil.loadFile(styleFile);
+    }
+
+    fields = Context.getBuildFields();
+    exprs = [];
+    i = 0;
+  }
+
+  private function getPosition():Position {
+    return Context.makePosition({min:0, max:0, file:templateFile + (templateKey != null ? "@" + templateKey : "")});
+  }
+
+  private function specialValue(name:String, key:String, a:Array<String>):Dynamic {
     return switch (a[0]) {
       case "asset":
         switch (a[1]) {
@@ -49,7 +78,7 @@ class ViewBuilderImpl {
       case "res":
         var res = "haxework.provider.Provider.get(haxework.resources.IResources)." + a[1];
         var bindExpr = res + ".bind(\"" + a[2] + "\", " + name + ", \"" + key + "\")";
-        data.exprs.push(Context.parse(bindExpr, Context.currentPos()));
+        exprs.push(Context.parse(bindExpr, getPosition()));
         //res + ".get(\"" + a[2] + "\")";
         null;
       case "locale":
@@ -57,8 +86,8 @@ class ViewBuilderImpl {
       case "class":
         a[1];
       case "layout":
-        var template = loadFile(a[1]);
-        return getValue(data, name, key, template);
+        var template = BuilderUtil.loadFile(a[1]);
+        return getValue(name, key, template);
       case "link":
         "(links == null) ? untyped this : Reflect.field(links, \"" + a[1] + "\")";
       case _:
@@ -66,12 +95,12 @@ class ViewBuilderImpl {
     }
   }
 
-  private static function getValue(data:BuildData, name:String, key:String, value:Dynamic):Dynamic {
+  private function getValue(name:String, key:String, value:Dynamic):Dynamic {
     return if (Std.is(value, Array)) {
-      value.map(function(v) { return getValue(data, null, null, v); });
+      value.map(function(v) { return getValue(null, null, v); });
     } else if (Std.is(value, String)) {
       if (value.charAt(0) == "@") {
-        specialValue(data, name, key, value.substring(1, value.length).split(":"));
+        specialValue(name, key, value.substring(1, value.length).split(":"));
       } else if (~/(0x|#)[A-Fa-f\d]{6}/.match(value)) {
         Std.parseInt(StringTools.replace(Std.string(value), "#", "0x"));
       } else {
@@ -83,8 +112,8 @@ class ViewBuilderImpl {
       if (Reflect.hasField(value, "type")) {
         var n = "a" + i++;
         var type = Reflect.field(value, "type");
-        data.exprs.push(Context.parse("var " + n + " = new " + type + "()", Context.currentPos()));
-        createElement(data, value, n);
+        exprs.push(Context.parse("var " + n + " = new " + type + "()", getPosition()));
+        createElement(value, n);
         n;
       } else {
         value;
@@ -94,9 +123,9 @@ class ViewBuilderImpl {
     }
   }
 
-  private static function createElement(data:BuildData, template:Dynamic, name:String):String {
+  private function createElement(template:Dynamic, name:String):String {
     if (Reflect.hasField(template, "style")) {
-      var s = Reflect.field(data.style, Reflect.field(template, "style"));
+      var s = Reflect.field(style, Reflect.field(template, "style"));
       for (key in Reflect.fields(s)) if (!Reflect.hasField(template, key)) {
         Reflect.setField(template, key, Reflect.field(s, key));
       }
@@ -105,47 +134,33 @@ class ViewBuilderImpl {
     if (Reflect.hasField(template, "id")) {
       var id = Reflect.field(template, "id");
       var type = Reflect.field(template, "type");
-      var expr = Context.parse("var a:" + type, Context.currentPos());
+      var expr = Context.parse("var a:" + type, getPosition());
       var type = switch (expr.expr) {
         case EVars(vars): vars[0].type;
         case _: null;
       }
-      data.fields.push({
+      fields.push({
         name: id,
         access: [APublic],
-        pos: Context.currentPos(),
+        pos: getPosition(),
         kind: FProp("default", "null", type)
       });
-      data.exprs.push(Context.parse("this." + id + " = " + name, Context.currentPos()));
+      exprs.push(Context.parse("this." + id + " = " + name, getPosition()));
     }
 
     for (key in Reflect.fields(template)) {
       if (["type", "style"].indexOf(key) > -1) continue;
-      var value = getValue(data, name, key, Reflect.field(template, key));
+      var value = getValue(name, key, Reflect.field(template, key));
       if (value != null) {
-        data.exprs.push(Context.parse(name + "." + key + " = cast " + value, Context.currentPos()));
+        exprs.push(Context.parse(name + "." + key + " = cast " + value, getPosition()));
       }
     }
     return name;
   }
 
-  public static function build() {
-    //trace("Build: " + Context.getLocalClass().get().module);
-    var templateMeta = getMeta(":template");
-    var templatePath = templateMeta[0].split("@");
-    var template = loadFile(templatePath[0]);
-    if (templatePath[1] != null) template = Reflect.field(template, templatePath[1]);
-    var style = templateMeta[1] == null ? {} : loadFile(templateMeta[1]);
 
-    var fields = Context.getBuildFields();
-
-    var data = {
-      fields: fields,
-      exprs: [],
-      style: style
-    };
-    i = 0;
-    createElement(data, template, "this");
+  public function build():Array<Field> {
+    createElement(template, "this");
 
     var init = false;
     for (f in fields) if (f.name == "init") {
@@ -156,33 +171,40 @@ class ViewBuilderImpl {
     fields.push({
       name: "build",
       access: [APublic],
-      pos: Context.currentPos(),
+      pos: getPosition(),
       kind: FFun({
         args: [{name:"links", type:TPath({name:"Dynamic", pack:[], params:[]}), opt:true, value:null}],
-        expr: macro $b{data.exprs},
+        expr: macro $b{exprs},
         params: [],
         ret: null
       })
     });
 
-    var contrExprs = [];
-    contrExprs.push(macro super());
-    contrExprs.push(macro build(links));
-    if (init) contrExprs.push(macro init());
+    var contstrExprs = [];
+    contstrExprs.push(macro super());
+    contstrExprs.push(macro build(links));
+    if (init) contstrExprs.push(macro init());
 
     fields.push({
       name: "new",
       access: [APublic],
-      pos: Context.currentPos(),
+      pos: getPosition(),
       kind: FFun({
         args: [{name:"links", type:TPath({name:"Dynamic", pack:[], params:[]}), opt:true, value:null}],
-        expr: macro $b{contrExprs},
+        expr: macro $b{contstrExprs},
         params: [],
         ret: null
       })
     });
-
     return fields;
   }
+}
+#end
+
+class ViewBuilderImpl {
+#if macro
+  public static function build() {
+    return new Builder().build();
+  }
 #end
 }