feature: Replaces system-wide solc with solc from npm (#13)

Does not recompile template.js as there is an issue discussed in #10

README.md

@@ -8,11 +8,6 @@ Generate lightweight markdown documentation for Solidity contracts.
 
 ```
 npm install -g solmd
-```
-
-Requires [solc](http://solidity.readthedocs.io/en/develop/installing-solidity.html) to installed in your path.
-
-```
 solmd <src> [--dest <target>]
 ```
 

lib/compile/solc.js

@@ -8,31 +8,53 @@ var _extends = Object.assign || function (target) { for (var i = 1; i < argument
 
 exports.default = function (src) {
   return new Promise(function (resolve) {
-    var exec = 'solc --combined-json abi,asm,ast,bin,bin-runtime,clone-bin,devdoc,interface,opcodes,srcmap,srcmap-runtime,userdoc ' + src;
-    var rawRes = _child_process2.default.execSync(exec);
-    var res = JSON.parse(rawRes);
+    var sources = {};
+    sources[src] = {
+      urls: ['file://' + src]
+    };
+    var output = _solc2.default.compileStandardWrapper(JSON.stringify({
+      language: 'Solidity',
+      sources: sources,
+      settings: {
+        outputSelection: {
+          '*': {
+            '*': ['abi', 'asm', 'ast', 'bin', 'bin-runtime', 'clone-bin', 'interface', 'opcodes', 'srcmap', 'srcmap-runtime', 'devdoc', 'userdoc']
+          }
+        }
+      }
+    }), findImports);
+    var res = JSON.parse(output);
     resolve({
       contracts: Object.keys(res.contracts).reduce(function (o, k) {
         var file = k.split(':')[0];
         var fileFragments = file.split('/');
         var contractName = fileFragments[fileFragments.length - 1].split('.sol')[0];
-        var contract = res.contracts[k];
+        var contract = res.contracts[k][contractName];
         var fileName = process.env.PWD + '/' + k.split(':')[0];
         return _extends({}, o, _defineProperty({}, contractName, _extends({}, contract, {
           fileName: fileName,
-          abi: JSON.parse(contract.abi),
-          devdoc: JSON.parse(contract.devdoc),
-          userdoc: JSON.parse(contract.userdoc)
+          abi: contract.abi,
+          devdoc: contract.devdoc,
+          userdoc: contract.userdoc
         })));
       }, {})
     });
   });
 };
 
-var _child_process = require('child_process');
+var _fs = require('fs');
 
-var _child_process2 = _interopRequireDefault(_child_process);
+var _fs2 = _interopRequireDefault(_fs);
+
+var _solc = require('solc');
+
+var _solc2 = _interopRequireDefault(_solc);
 
 function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
 
-function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
+function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
+
+function findImports(path) {
+  var output = _fs2.default.readFileSync(path.replace('file://', ''));
+  return { contents: output.toString() };
+}