WIP-hook up a renderer

src/diagrams/gitGraph/gitGraphRenderer.js

@@ -0,0 +1,39 @@
+
+var db = require('./gitGraphAst.js');
+var gitGraphParser = require('./parser/gitGraph.js');
+var d3 = require('../../d3');
+var Logger = require('../../logger');
+
+var log = new Logger.Log();
+
+exports.draw = function (txt, id, ver) {
+    var parser;
+    parser = gitGraphParser.parser;
+    parser.yy = db;
+
+    // Parse the graph definition
+    parser.parse(txt);
+
+    // Fetch the default direction, use TD if none was found
+    var svg = d3.select('#'+id);
+
+    var g = svg.append('g');
+
+    g.append('text')      // text label for the x axis
+        .attr('x', 100)
+        .attr('y', 40)
+        .attr('class','version')
+        .attr('font-size','32px')
+        .style('text-anchor', 'middle')
+        .text('mermaid '+ ver);
+
+    /*
+    var box = exports.bounds.getBounds();
+
+    var height = box.stopy-box.starty+2*conf.diagramMarginY;
+    var width  = box.stopx-box.startx+2*conf.diagramMarginX;*/
+
+    svg.attr('height',100);
+    svg.attr('width', 400 );
+    //svg.attr('viewBox', '0 0 300 150');
+};