Add remapping when parse file to support embark-solc

lib/core/config.js

@@ -438,7 +438,7 @@ Config.prototype.loadPluginContractFiles = function() {
   contractsPlugins.forEach(function(plugin) {
     plugin.contractsFiles.forEach(function(file) {
       var filename = file.replace('./','');
-      self.contractsFiles.push(new File({filename: filename, type: File.types.custom, path: filename, resolver: function(callback) {
+      self.contractsFiles.push(new File({filename: filename, pluginPath: plugin.pluginPath, type: File.types.custom, path: filename, resolver: function(callback) {
         callback(plugin.loadPluginFile(file));
       }}));
     });

lib/core/file.js

@@ -12,7 +12,9 @@ class File {
     this.path = options.path;
     this.basedir = options.basedir;
     this.resolver = options.resolver;
+    this.pluginPath = options.pluginPath ? options.pluginPath : '';
     this.downloadedImports = false;
+    this.importRemappings = []; // mapping downloaded imports to local file
   }
 
   parseFileForImport(content, isHttpContract, callback) {
@@ -36,6 +38,21 @@ class File {
         fileRelativePath: path.join(path.dirname(self.filename), matches[1]),
         url: `${pathWithoutFile}/${matches[1]}`
       };
+
+      var target = matches[1];
+      if (httpFileObj) {
+        target = httpFileObj.filePath;
+      } else if (fs.existsSync(path.join(path.dirname(self.filename), matches[1]))) {
+        target = path.join(path.dirname(self.filename), matches[1]);
+      } else if (fs.existsSync(path.join("node_modules", matches[1]))) {
+        target = path.join("node_modules", matches[1]);
+      }
+      
+      self.importRemappings.push({
+        prefix: matches[1],
+        target: fs.dappPath(target)
+      });
+
       if (httpFileObj) {
         // Replace http import by filePath import in content
         newContent = newContent.replace(matches[1], httpFileObj.filePath);

test/config.js

@@ -77,6 +77,8 @@ describe('embark.Config', function () {
           "filename": ".embark/contracts/embark-framework/embark/master/test_app/app/contracts/simple_storage.sol",
           "type": "http",
           "path": "https://raw.githubusercontent.com/embark-framework/embark/master/test_app/app/contracts/simple_storage.sol",
+          "pluginPath": '',
+          "importRemappings": [],
           "basedir": "",
           "resolver": undefined,
           "downloadedImports": false
@@ -85,6 +87,8 @@ describe('embark.Config', function () {
           "filename": ".embark/contracts/status-im/contracts/master/contracts/identity/ERC725.sol",
           "type": "http",
           "path": "https://raw.githubusercontent.com/status-im/contracts/master/contracts/identity/ERC725.sol",
+          "pluginPath": '',
+          "importRemappings": [],
           "basedir": "",
           "resolver": undefined,
           "downloadedImports": false