| 1 | /* |
| 2 | * $Id: CniFwdTypePrinter.java,v 1.2 2004/05/18 23:10:52 hastings Exp $ |
| 3 | * |
| 4 | * (c) Copyright, Moebius Solutions, Inc., 2004 |
| 5 | * |
| 6 | * All Rights Reserved |
| 7 | * |
| 8 | * This material may be reproduced by or for the U. S. Government |
| 9 | * pursuant to the copyright license under the clause at |
| 10 | * DFARS 252.227-7014 (OCT 2001). |
| 11 | */ |
| 12 | |
| 13 | package com.moesol.generator.printer; |
| 14 | |
| 15 | import java.io.*; |
| 16 | |
| 17 | import com.moesol.generator.core.JniMangleFilterWriter; |
| 18 | import com.moesol.generator.core.VisitClassName; |
| 19 | import com.moesol.generator.visitor.*; |
| 20 | |
| 21 | /** |
| 22 | * Print types out in a manner suitable for interfacing with Cni, |
| 23 | * including return types and parameters. |
| 24 | */ |
| 25 | public class CniFwdTypePrinter extends JniTypePrinter { |
| 26 | protected CniFwdTypePrinter() { } |
| 27 | private static CniFwdTypePrinter instance = new CniFwdTypePrinter(); |
| 28 | public static JniTypePrinter getInstance() { |
| 29 | return instance; |
| 30 | } |
| 31 | |
| 32 | protected void primitiveCxxType(Writer out, Class type) throws IOException { |
| 33 | } |
| 34 | protected void arrayCxxType(Writer out, Class type) throws IOException { |
| 35 | } |
| 36 | protected void objectCxxType(Writer out, Class type) throws IOException { |
| 37 | BuildCxxName v = new BuildCxxName(out); |
| 38 | try { |
| 39 | VisitClassName.visit(type, v); |
| 40 | } catch (WrapIOException e) { |
| 41 | throw (IOException)e.getCause(); |
| 42 | } |
| 43 | } |
| 44 | private static class WrapIOException extends RuntimeException { |
| 45 | public WrapIOException(IOException e) { |
| 46 | super(e); |
| 47 | } |
| 48 | } |
| 49 | private static class BuildCxxName implements ClassNameVisitor { |
| 50 | public BuildCxxName(Writer out) { |
| 51 | m_out = out; |
| 52 | m_mangled_out = new JniMangleFilterWriter(out); |
| 53 | } |
| 54 | public void visitPartName(String name) { |
| 55 | try { |
| 56 | m_out.write("namespace "); |
| 57 | m_mangled_out.write(name); |
| 58 | m_out.write(" { "); |
| 59 | m_opens++; |
| 60 | } catch (IOException e) { |
| 61 | throw new WrapIOException(e); |
| 62 | } |
| 63 | } |
| 64 | public void visitClassName(String name) { |
| 65 | try { |
| 66 | m_out.write("class "); |
| 67 | m_mangled_out.write(name); |
| 68 | m_out.write(";"); |
| 69 | for (int i = 0; i < m_opens; i++) { |
| 70 | m_out.write(" } "); |
| 71 | } |
| 72 | m_out.write("\n"); |
| 73 | } catch (IOException e) { |
| 74 | throw new WrapIOException(e); |
| 75 | } |
| 76 | } |
| 77 | private int m_opens = 0; |
| 78 | private Writer m_out; |
| 79 | private JniMangleFilterWriter m_mangled_out; |
| 80 | } |
| 81 | } |