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More sensible/flexible langfile support, some updated default strings…
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@icculus
icculus committed Jan 8, 2001
1 parent f1d5725 commit 65a17d3
Showing 1 changed file with 194 additions and 123 deletions.
317 changes: 194 additions & 123 deletions last/toby/util/TobyLanguage.java
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Expand Up @@ -24,7 +24,8 @@
* language.
*
* To use a different language than English, just specify
* --langfile=/path/to/new/langfile on the command line.
* --langfile=/path/langfile or --langfile=url://hostname/path/langfile
* on the command line.
*
* @author Ryan C. Gordon. (icculus@lokigames.com)
*/
Expand All @@ -33,13 +34,14 @@

import java.io.*;
import java.net.*;
import java.lang.reflect.*;

public class TobyLanguage
{

// Do NOT translate these strings!
// The program will default to English (using the below strings)
// if it doesn't load a langfile to use a different language.
// if it doesn't load langfiles to use a different language.
// Translations should be done from a langfile.

public static String USAGE = "USAGE: Toby.class [--langfile=xxx] [sourceFile.toby]";
Expand All @@ -51,7 +53,7 @@ public class TobyLanguage
public static String COPYRIGHT = "Copyright (C) 1999 Ryan C. Gordon";

public static String ERROR = "Error";
public static String NOT_YET_IMPLEMENTED = "Not yet implemented.";
public static String NOT_YET_IMPLEMENTED = "Feature not yet implemented.";
public static String NODETREE_LOCKED = "NodeTree already locked.";
public static String NODETREE_ULOCKED = "NodeTree already unlocked.";
public static String BAD_CHILD_NODE = "Adding bad child type to NodeTree";
Expand Down Expand Up @@ -83,14 +85,11 @@ public class TobyLanguage
public static String REPLACE_RANGE_ERR =
"Replace index must be between (0) and (9).";

public static String NO_GUI1 =
"Your Java Virtual Machine has thrown" +
" an error...chances are, you don't have";
public static String NO_GUI2 =
" the GUI support you need. Please start" +
" your Window system before running this";
public static String NO_GUI3 =
" program.";
public static String NO_GUI1 = "Your Java Virtual Machine has thrown" +
" an error...chances are, you don't have";
public static String NO_GUI2 = " the GUI support you need. Please start" +
" your Window system before running this";
public static String NO_GUI3 = " program.";

public static String HERES_THE_ERR = "For record, here's the error:";

Expand All @@ -101,17 +100,18 @@ public class TobyLanguage
"WARNING: setIconImage() is broken on this" +
" Java Virtual Machine!";

public static String WORK_AROUND_IT =
" (We will work around it, though.)";
public static String WORK_AROUND_IT = " (We will work around it, though.)";

public static String TOBY_FILE_DESCRIPTION = "TOBY source code";

public static String CARET_POSITION = "line %0, column %1";

public static String ERR_IN_FUNC = "Error %0 on line %1 in function %2";
public static String ERR_IN_FUNC = "%0 on line %1 in function %2";
public static String ERR_OUT_FUNC = "%0 on line %1";

public static String SHOULDNOTBE = "This should not happen." +
" Email icculus@lokigames.com!";
" Email icculus@lokigames.com!" +
" (English only!)";

// Menuitems...
public static String MENUNAME_FILE = "File";
Expand Down Expand Up @@ -175,6 +175,26 @@ public class TobyLanguage
public static String NOCURTURTLE = "No current turtle";
public static String TURTLE_FENCED = "Turtle past fence";

public static String LANGIOEXCEPT = "LANGUAGE: IOException reading" +
" language data.";
public static String LANGBOGUSLINE = "LANGUAGE: Line %0 is bogus in %1.";
public static String LANGNOSUCHCLASS = "LANGUAGE: No such class [%0] on" +
" line %1 in %2.";
public static String LANGNOSUCHFIELD = "LANGUAGE: No such field [%0] on" +
" line %1 in %2.";
public static String LANGNOTPUBLIC = "LANGUAGE: Field [%0] is not" +
" public on line %1 in %2.";
public static String LANGNOTSTATIC = "LANGUAGE: Field [%0] is not" +
" static on line %1 in %2.";
public static String LANGNOTSTRING = "LANGUAGE: Field [%0] is not" +
" a string on line %1 in %2.";
public static String LANGISFINAL = "LANGUAGE: Field [%0] is final" +
" on line %1 in %2.";
public static String LANGSETFAILED = "LANGUAGE: Setting field [%0] " +
" failed with message [%1]" +
" on line %2 in %3.";



/**
* Read a string from a langfile. This will read until a non-blank
Expand All @@ -190,122 +210,173 @@ public static String readLangString(BufferedReader br) throws IOException

do
{
retVal = br.readLine().trim();
retVal = br.readLine();

if (retVal == null)
return(null);

retVal = retVal.trim();
if ((retVal.length() > 0) && (retVal.charAt(0) != '#'))
return(retVal);

} while (true);
} // readLangString


public static Class retrieveLangClass(String cName, int line, String file)
{
Class retVal = null;
try
{
retVal = Class.forName(cName);
} // try
catch (ClassNotFoundException cnfe)
{
String s = TobyLanguage.LANGNOSUCHCLASS;
s = replaceFmtTokenInStr(0, s, cName);
s = replaceFmtTokenInStr(1, s, line);
s = replaceFmtTokenInStr(2, s, file);
System.err.println(s);
} // catch

/**
* Load a language file from a specified URL.
*
* @param langUrl URL where a language file can be found.
* @exception IOException if there's an i/o problem. Throwing this
* exception leaves this class in an unknown state, and
* you should probably either abort or try again if this
* happens. Just going on is NOT recommended.
*/
public static void loadLanguage(URL langUrl) throws IOException
return(retVal);
} // retrieveLangClass


public static Field retrieveLangField(Class c, String fName,
int line, String file)
{
InputStreamReader isr = new InputStreamReader(langUrl.openStream());
BufferedReader br = new BufferedReader(isr);

// Don't EVER rearrange these.
TobyLanguage.USAGE = readLangString(br);
TobyLanguage.TRANSLATION_BY = readLangString(br);
TobyLanguage.WRITTENBY = readLangString(br);
TobyLanguage.COPYRIGHT = readLangString(br);
TobyLanguage.ERROR = readLangString(br);
TobyLanguage.NOT_YET_IMPLEMENTED = readLangString(br);
TobyLanguage.NODETREE_LOCKED = readLangString(br);
TobyLanguage.NODETREE_ULOCKED = readLangString(br);
TobyLanguage.BAD_CHILD_NODE = readLangString(br);
TobyLanguage.USING_FREE_NODE = readLangString(br);
TobyLanguage.NEW_PROGRAM = readLangString(br);
TobyLanguage.PLEASE_CONFIRM = readLangString(br);
TobyLanguage.SAVE_MODIFIED_PROG = readLangString(br);
TobyLanguage.FILE_NOT_FOUND = readLangString(br);
TobyLanguage.CANNOT_LOAD_FILE = readLangString(br);
TobyLanguage.FILE_EXISTS = readLangString(br);
TobyLanguage.OVERWRITE_FILENAME = readLangString(br);
TobyLanguage.CANNOT_WRITE_TO = readLangString(br);
TobyLanguage.MISSING_CLASS1 = readLangString(br);
TobyLanguage.MISSING_CLASS2 = readLangString(br);
TobyLanguage.MISSING_CLASS3 = readLangString(br);
TobyLanguage.TOOMANYFILES = readLangString(br);
TobyLanguage.REPLACE_FORMAT_ERR = readLangString(br);
TobyLanguage.REPLACE_RANGE_ERR = readLangString(br);
TobyLanguage.NO_GUI1 = readLangString(br);
TobyLanguage.NO_GUI2 = readLangString(br);
TobyLanguage.NO_GUI3 = readLangString(br);
TobyLanguage.HERES_THE_ERR = readLangString(br);
TobyLanguage.MSG_BAD_JAVA = readLangString(br);
TobyLanguage.SETICON_BROKEN = readLangString(br);
TobyLanguage.WORK_AROUND_IT = readLangString(br);
TobyLanguage.TOBY_FILE_DESCRIPTION = readLangString(br);
TobyLanguage.CARET_POSITION = readLangString(br);
TobyLanguage.ERR_IN_FUNC = readLangString(br);
TobyLanguage.SHOULDNOTBE = readLangString(br);
TobyLanguage.MENUNAME_FILE = readLangString(br);
TobyLanguage.MENUITEM_NEW = readLangString(br);
TobyLanguage.MENUITEM_OPEN = readLangString(br);
TobyLanguage.MENUITEM_SAVE = readLangString(br);
TobyLanguage.MENUITEM_SAVEAS = readLangString(br);
TobyLanguage.MENUITEM_PRINT = readLangString(br);
TobyLanguage.MENUITEM_QUIT = readLangString(br);
TobyLanguage.MENUNAME_HELP = readLangString(br);
TobyLanguage.MENUITEM_HELP = readLangString(br);
TobyLanguage.MENUITEM_ABOUT = readLangString(br);
TobyLanguage.MENUNAME_RUN = readLangString(br);
TobyLanguage.MENUITEM_STARTCODE = readLangString(br);
TobyLanguage.MENUITEM_STOPCODE = readLangString(br);
TobyLanguage.MENUITEM_CLEAR = readLangString(br);
TobyLanguage.MENUNAME_DEBUG = readLangString(br);
TobyLanguage.MENUITEM_TRACE = readLangString(br);
TobyLanguage.MENUITEM_STEP = readLangString(br);
TobyLanguage.MENUITEM_WATCHVARS = readLangString(br);
TobyLanguage.INTERNAL_ERROR = readLangString(br);
TobyLanguage.EXPECTED_TOKEN = readLangString(br);
TobyLanguage.SYNTAX_ERROR = readLangString(br);
TobyLanguage.BAD_ASSIGNMENT = readLangString(br);
TobyLanguage.DOUBLE_DEF = readLangString(br);
TobyLanguage.ORPHAN_CODE = readLangString(br);
TobyLanguage.INTERNAL = readLangString(br);
TobyLanguage.BAD_TYPE = readLangString(br);
TobyLanguage.NOT_VAR = readLangString(br);
TobyLanguage.NO_MAINLINE = readLangString(br);
TobyLanguage.NO_RPAREN = readLangString(br);
TobyLanguage.NO_LPAREN = readLangString(br);
TobyLanguage.NO_ASSIGN = readLangString(br);
TobyLanguage.NOT_A_FUNC = readLangString(br);
TobyLanguage.BADNUM_ARGS = readLangString(br);
TobyLanguage.BAD_IDENT = readLangString(br);
TobyLanguage.NO_ENDFOR = readLangString(br);
TobyLanguage.NO_FOR = readLangString(br);
TobyLanguage.NO_ENDWHILE = readLangString(br);
TobyLanguage.NO_WHILE = readLangString(br);
TobyLanguage.ORPHAN_ELIF = readLangString(br);
TobyLanguage.ORPHAN_ELSE = readLangString(br);
TobyLanguage.ORPHAN_ENDIF = readLangString(br);
TobyLanguage.TYPE_MMATCH = readLangString(br);
TobyLanguage.BAD_ARGUMENT = readLangString(br);
TobyLanguage.MAIN_RETVAL = readLangString(br);
TobyLanguage.BAD_GLOBAL = readLangString(br);
TobyLanguage.EXPECTED_END = readLangString(br);
TobyLanguage.NO_RETTYPE = readLangString(br);
TobyLanguage.ELIF_AFTER_ELSE = readLangString(br);
TobyLanguage.ELSE_AFTER_ELSE = readLangString(br);
TobyLanguage.NO_VAR_DECL = readLangString(br);
TobyLanguage.FUNC_IN_FUNC = readLangString(br);
TobyLanguage.DIV_BY_ZERO = readLangString(br);
TobyLanguage.NOCURTURTLE = readLangString(br);
TobyLanguage.TURTLE_FENCED = readLangString(br);

br.close();
isr.close(); // !!! needed?
} // loadLanguage
Field retVal = null;

try
{
retVal = c.getField(fName);
} // try
catch (NoSuchFieldException nsfe)
{
String s = TobyLanguage.LANGNOSUCHFIELD;
s = replaceFmtTokenInStr(0, s, fName);
s = replaceFmtTokenInStr(1, s, line);
s = replaceFmtTokenInStr(2, s, file);
System.err.println(s);
return(null);
} // catch

int mods = retVal.getModifiers();

if (java.lang.reflect.Modifier.isPublic(mods) == false)
{
String s = TobyLanguage.LANGNOTPUBLIC;
s = replaceFmtTokenInStr(0, s, fName);
s = replaceFmtTokenInStr(1, s, line);
s = replaceFmtTokenInStr(2, s, file);
System.err.println(s);
return(null);
} // if

else if (java.lang.reflect.Modifier.isStatic(mods) == false)
{
String s = TobyLanguage.LANGNOTSTATIC;
s = replaceFmtTokenInStr(0, s, fName);
s = replaceFmtTokenInStr(1, s, line);
s = replaceFmtTokenInStr(2, s, file);
System.err.println(s);
return(null);
} // else if

else if (java.lang.reflect.Modifier.isFinal(mods) == true)
{
String s = TobyLanguage.LANGISFINAL;
s = replaceFmtTokenInStr(0, s, fName);
s = replaceFmtTokenInStr(1, s, line);
s = replaceFmtTokenInStr(2, s, file);
System.err.println(s);
return(null);
} // else if

else if (retVal.getType().getName().equals("java.lang.String") == false)
{
String s = TobyLanguage.LANGNOTSTRING;
s = replaceFmtTokenInStr(0, s, fName);
s = replaceFmtTokenInStr(1, s, line);
s = replaceFmtTokenInStr(2, s, file);
System.err.println(s);
return(null);
} // else if

return(retVal);
} // retrieveLangField


public static boolean setLangField(String cName, String fName, String val,
int line, String file)
{
Class c = retrieveLangClass(cName, line, file);
if (c == null)
return(false);

Field f = retrieveLangField(c, fName, line, file);
if (f == null)
return(false);

try
{
f.set(null, val);
} // try
catch (Exception e)
{
String s = TobyLanguage.LANGSETFAILED;
s = replaceFmtTokenInStr(0, s, fName);
s = replaceFmtTokenInStr(1, s, e.getMessage());
s = replaceFmtTokenInStr(2, s, line);
s = replaceFmtTokenInStr(3, s, file);
System.err.println(s);
return(false);
} // catch

return(true);
} // setLangField


public static void reportBogusLangLine(int lineNum, String fname)
{
String s = TobyLanguage.LANGBOGUSLINE;
s = replaceFmtTokenInStr(0, s, lineNum);
s = replaceFmtTokenInStr(1, s, fname);
System.err.println(s);
} // reportBogusLangLine


public static void loadLangFile(LineNumberReader lnr, String file) throws IOException
{
String langString = null;

while ( (langString = readLangString(lnr)) != null )
{
int pos = langString.indexOf('=');
int line = lnr.getLineNumber();
if (pos == -1)
{
reportBogusLangLine(line, file);
continue;
} // if

String fullName = langString.substring(0, pos).trim();
String value = langString.substring(pos + 1).trim();

pos = fullName.lastIndexOf('.');
if (pos == -1)
{
reportBogusLangLine(line, file);
continue;
} // if

String className = fullName.substring(0, pos);
String fieldName = fullName.substring(pos + 1);

setLangField(className, fieldName, value, line, file);
} // while
} // loadLangFile



Expand Down

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