From f793caf93674350f8c1e6fa740ab6cce649d0db8 Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <e.dolstra@tudelft.nl>
Date: Thu, 24 Aug 2006 14:16:55 +0000
Subject: * Refactoring.

---
 src/nix-instantiate/main.cc | 90 ++-------------------------------------------
 1 file changed, 4 insertions(+), 86 deletions(-)

(limited to 'src/nix-instantiate')

diff --git a/src/nix-instantiate/main.cc b/src/nix-instantiate/main.cc
index 6a0586a2d..eb5c1ce85 100644
--- a/src/nix-instantiate/main.cc
+++ b/src/nix-instantiate/main.cc
@@ -7,10 +7,9 @@
 #include "shared.hh"
 #include "eval.hh"
 #include "parser.hh"
-#include "nixexpr-ast.hh"
 #include "get-drvs.hh"
 #include "attr-path.hh"
-#include "xml-writer.hh"
+#include "expr-to-xml.hh"
 #include "help.txt.hh"
 
 
@@ -34,94 +33,13 @@ static int rootNr = 0;
 static bool indirectRoot = false;
 
 
-static XMLAttrs singletonAttrs(const string & name, const string & value)
-{
-    XMLAttrs attrs;
-    attrs[name] = value;
-    return attrs;
-}
-
-
-static void printTermAsXML(Expr e, XMLWriter & doc)
-{
-    XMLAttrs attrs;
-    ATerm s;
-    int i;
-    ATermList as, es, formals;
-    ATerm body, pos;
-
-    if (matchStr(e, s))
-        doc.writeEmptyElement("string", singletonAttrs("value", aterm2String(s)));
-
-    else if (matchPath(e, s))
-        doc.writeEmptyElement("path", singletonAttrs("value", aterm2String(s)));
-
-    else if (matchUri(e, s))
-        doc.writeEmptyElement("uri", singletonAttrs("value", aterm2String(s)));
-
-    else if (matchNull(e))
-        doc.writeEmptyElement("null");
-
-    else if (matchInt(e, i))
-        doc.writeEmptyElement("int", singletonAttrs("value", (format("%1%") % i).str()));
-
-    else if (e == eTrue)
-        doc.writeEmptyElement("bool", singletonAttrs("value", "true"));
-
-    else if (e == eFalse)
-        doc.writeEmptyElement("bool", singletonAttrs("value", "false"));
-
-    else if (matchAttrs(e, as)) {
-        XMLOpenElement _(doc, "attrs");
-        ATermMap attrs(128);
-        queryAllAttrs(e, attrs);
-        StringSet names;
-        for (ATermMap::const_iterator i = attrs.begin(); i != attrs.end(); ++i)
-            names.insert(aterm2String(i->key));
-        for (StringSet::iterator i = names.begin(); i != names.end(); ++i) {
-            XMLOpenElement _(doc, "attr", singletonAttrs("name", *i));
-            printTermAsXML(attrs.get(toATerm(*i)), doc);
-        }
-    }
-
-    else if (matchList(e, es)) {
-        XMLOpenElement _(doc, "list");
-        for (ATermIterator i(es); i; ++i)
-            printTermAsXML(*i, doc);
-    }
-
-    else if (matchFunction(e, formals, body, pos)) {
-        XMLOpenElement _(doc, "function");
-        
-        for (ATermIterator i(formals); i; ++i) {
-            Expr name; ValidValues valids; ATerm dummy;
-            if (!matchFormal(*i, name, valids, dummy)) abort();
-            XMLOpenElement _(doc, "arg", singletonAttrs("name", aterm2String(name)));
-
-            ATermList valids2;
-            if (matchValidValues(valids, valids2)) {
-                for (ATermIterator j(valids2); j; ++j) {
-                    XMLOpenElement _(doc, "value");
-                    printTermAsXML(*j, doc);
-                }
-            }
-        }
-    }
-
-    else
-        doc.writeEmptyElement("unevaluated");
-}
-
-
 static void printResult(EvalState & state, Expr e,
     bool evalOnly, bool xmlOutput, const ATermMap & autoArgs)
 {
     if (evalOnly)
-        if (xmlOutput) {
-            XMLWriter doc(true, cout);
-            XMLOpenElement root(doc, "expr");
-            printTermAsXML(e, doc);
-        } else
+        if (xmlOutput)
+            printTermAsXML(e, cout);
+        else
             cout << format("%1%\n") % e;
     
     else {
-- 
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