Internals: Relocate quoteNameControls, part of bug1444.

Signed-off-by: Wilson Snyder <[email protected]>

src/V3File.cpp

@@ -806,7 +806,7 @@ void V3OutFormatter::putsQuoted(const string& strg) {
     // Quote \ and " for use inside C programs
     // Don't use to quote a filename for #include - #include doesn't \ escape.
     putcNoTracking('"');
-    string quoted = V3Number::quoteNameControls(strg);
+    string quoted = quoteNameControls(strg);
     for (string::const_iterator cp=quoted.begin(); cp!=quoted.end(); ++cp) {
         putcNoTracking(*cp);
     }
@@ -843,6 +843,31 @@ void V3OutFormatter::putcNoTracking(char chr) {
     putcOutput(chr);
 }
 
+string V3OutFormatter::quoteNameControls(const string& namein, V3OutFormatter::Language) {
+    // Encode control chars into C style escapes
+    // Reverse is V3Parse::deQuote
+    string out;
+    for (string::const_iterator pos=namein.begin(); pos!=namein.end(); ++pos) {
+        if (pos[0]=='\\' || pos[0]=='"') {
+            out += string("\\")+pos[0];
+        } else if (pos[0]=='\n') {
+            out += "\\n";
+        } else if (pos[0]=='\r') {
+            out += "\\r";
+        } else if (pos[0]=='\t') {
+            out += "\\t";
+        } else if (isprint(pos[0])) {
+            out += pos[0];
+        } else {
+            // This will also cover \a etc
+            // Can't use %03o as messes up when signed
+            char octal[10]; sprintf(octal, "\\%o%o%o", (pos[0]>>6)&3, (pos[0]>>3)&7, pos[0]&7);
+            out += octal;
+        }
+    }
+    return out;
+}
+
 //----------------------------------------------------------------------
 // Simple wrappers