english breakline, and generate try to count the text size

[clo] / src / index.ts

diff --git a/src/index.ts b/src/index.ts
index 405a1f0d465ffcf04867c6a2bb3c09c083c3b9b6..44aa79282788f7f8fd28679017ceb114c49c3149 100644 (file)
--- a/src/index.ts
+++ b/src/index.ts
@@ -1,37 +1,68 @@
 var fs = require('fs');
-import jsTokens from "js-tokens";
-import * as util from 'util';
+var argv : any = require('minimist')(process.argv.slice(2));
 
-/**inspect the inner of the representation. */
-let repr = (x : any)=>{return util.inspect(x, {depth: null})};
+import * as parser from "./parser.js";
 
 /**
- * like `m ==> f` in ocaml
- * @param m matchee wrapped
- * @param f matching function
- * @returns wrapped result
+ * help for inputing `--help` parameter.
  */
-function thenDo(m : tk.Maybe<TokenMatcheePair>, f : Function){
-    if (m._tag == "None"){
-        return m;
+export let helpDesc =
+`
+clo: clo INPUT_FILE --output-js OUTPUT_JS_FILE
+
+\ta little typesetter powered by TypeScript/Javascript.
+
+## Arguments
+INPUT_FILE\tan input .clo file
+
+## Parameters
+---
+--output-js\tgenerated the output middle JS file
+
+
+Report bugs to: clo@kianting.info
+clo home page: <https://kianting.info/wiki/w/Project:Clo>
+`
+
+processArgv(argv, helpDesc);
+
+/**
+ * processing the passed `argv` (arguments)
+ */
+
+export function processArgv(argv : any, helpDesc : string){
+    let inputFile : string[] = argv['_'];
+    let outputJSFile : string | true = argv['output-js'];
+
+    let NoInputFile : boolean = (inputFile.length == 0);
+    let NoOutputJSFile : boolean = (outputJSFile === undefined || outputJSFile == true);
+    let helpTriggered : boolean = argv['help'];
+
+    if (inputFile.length > 1){
+        console.log("Sorry, the input file should be only one.");
+    }
+
+    /** output --help */
+    if (helpTriggered || NoInputFile || NoOutputJSFile){
+        console.log(helpDesc);
     }else{
-        var a : tk.Maybe<TokenMatcheePair> = f(m.value);
-        if (a._tag == "Some"){
-            a.value.ast = concat(m.value.ast, a.value.ast);
-        }
+        fs.readFile(inputFile[0], 'utf8', (err : Error, inputText : string) => {
+            if (err) throw err;
+
+            let tree = parser.inputTextToTree(inputText);
 
-        return a;
+            let output = parser.treeToJS(tree);
+
+            fs.writeFile(outputJSFile, output , (err : Error) => {
+                if (err) throw err;
+              });
+
+          }); 
     }
-}
 
-const tokens = Array.from(jsTokens(`
-import foo from\t 'bar';
-import * as util  from 'util';
+}
 
 
-花非花，霧\\{非霧 。{{foo();}}下
-一句`));
 
 
-console.log("RESULT="+repr(tokens));