// -* coding: utf-8; -*
-var Xex = {};
-
-Xex.Alist = function ()
-{
- this.count = 0;
-}
-
-Xex.Alist.prototype.put = function (key, val)
-{
- this.count++;
- return (this[key] = val);
-}
-Xex.Alist.prototype.clone = function ()
-{
- var alist = new Xex.Alist ();
- for (key in this)
- alist[key] = this[key];
- return alist;
-}
-Xex.Alist.prototype.toString = function ()
-{
- var str = 'alist:';
- for (key in this)
- str += '"' + key + '"';
- return str;
-}
-
-// Xex.alist = new Xex.Alist ();
-// Xex.alist.put ('abc', "ABC");
-// alert (Xex.alist['abc']);
+var Xex = {
+ LogNode: null,
+ Log: function (arg, indent)
+ {
+ if (! Xex.LogNode)
+ return;
+ if (! arg)
+ Xex.LogNode.value = '';
+ else
+ {
+ var str = '';
+ if (indent != undefined)
+ for (var i = 0; i <= indent; i++)
+ str += ' ';
+ Xex.LogNode.value += "\n" + str + arg;
+ Xex.LogNode.scrollTop = Xex.LogNode.scrollHeight;
+ }
+ }
+};
Xex.Error = {
UnknownError: "unknown-error",
UnknownFunction: "unknown-function",
MacroExpansionError: "macro-expansion-error",
- NoVariableName: "no-variable-anme",
+ NoVariableName: "no-variable-name",
+ NoFunctionName: "no-funcion-name",
// Run time errors.
ArithmeticError: "arithmetic-error",
UncaughtThrow: "uncaught-throw"
};
-Xex.Variable = function (domain, name, val)
+Xex.Variable = function (domain, name, desc, val, range)
{
this.domain = domain;
this.name = name;
+ this.desc = desc;
this.val = val;
+ this.range = range;
}
-Xex.Variable.prototype.clone = function () {
- return new Xex.Variable (this.domain, this.name, this.value);
+Xex.Variable.prototype.clone = function ()
+{
+ return new Xex.Variable (this.domain, this.name, this.desc,
+ this.val, this.range);
}
-Xex.Variable.prototype.Equals = function (obj) {
+Xex.Variable.prototype.Equals = function (obj)
+{
return ((obj instanceof Xex.Variable)
&& obj.name == this.name);
}
-Xex.Variable.prototype.SetValue = function (term) {
+Xex.Variable.prototype.SetValue = function (term)
+{
this.val = term;
return term;
}
-Xex.Function = function (name, with_var, min_args, max_args) {
+Xex.Function = function (name, with_var, min_args, max_args)
+{
this.name = name;
this.with_var = with_var;
this.min_args = min_args;
this.max_args = max_args;
};
-Xex.Subrountine = function (builtin, name, with_var, min_args, max_args) {
+Xex.Subrountine = function (builtin, name, with_var, min_args, max_args)
+{
this.name = name;
this.with_var = with_var;
this.min_args = min_args;
Xex.Subrountine.prototype.Call = function (domain, vari, args)
{
- newargs = new Array ();
+ var newargs = new Array ();
for (var i = 0; i < args.length; i++)
{
newargs[i] = args[i].Eval (domain);
Xex.Lambda = function (name, min_args, max_args, args, body)
{
this.name = name;
- this.with_var = with_var;
this.min_args = min_args;
this.max_args = max_args;
this.args = args;
Xex.Macro = function (name, min_args, max_args, args, body)
{
this.name = name;
- this.with_var = with_var;
this.min_args = min_args;
this.max_args = max_args;
this.args = args;
domain.Bind (this.args[i], args[i]);
try {
domain.Catch (Xex.CatchTag.Return);
- for (var term in body)
+ for (var i in this.body)
{
- result = term.Eval (domain);
+ result = this.body[i].Eval (domain);
if (domain.Thrown ())
break;
}
for (elt in parent.functions)
this.functions[elt] = parent.functions[elt];
for (elt in parent.variables)
- this.variables[elt] = parent.variables[elt];
+ {
+ var vari = parent.variables[elt];
+ this.variables[elt] = new Xex.Variable (this, vari.name, vari.desc,
+ vari.val, vari.range);
+ }
}
this.call_stack = new Array ();
this.functions[name] = new Xex.Lambda (name, min_args, max_args,
args, body);
},
- DefunByFunc: function (func) { this.functions[func.Name] = func; },
+ DefunByFunc: function (func) { this.functions[func.name] = func; },
Defmacro: function (name, min_args, max_args, args, body)
{
this.functions[name] = new Xex.Macro (name, min_args, max_args,
{
var func = this.functions[fname];
+ if (! func)
+ throw new Xex.ErrTerm (Xex.Error.UnknownFunction, fname);
if (this.termtypes[alias])
throw new Xex.ErrTerm (Xex.Error.FunctionConflict,
"Already defined as a term type: " + alias);
if (this.functions[alias])
throw new Xex.ErrTerm (Xex.Error.FunctionConflict,
"Already defined as a function: " + alias);
- if (! func)
- throw new Xex.ErrTerm (Xex.Error.UnknownFunction, fname);
this.functions[alias] = func;
},
- Defvar: function (name)
+ Defvar: function (name, desc, val, range)
{
- var vari = this.variables[name];
- if (vari)
- {
- if (vari.Typed)
- throw new Xex.ErrTerm (Xex.Error.VariableTypeConflict,
- "Not a non-typed variable: " + name);
- }
- else
- {
- vari = new Xex.Variable (this, name, Xex.Zero);
- this.variables[name] = vari;
- }
+ var vari = new Xex.Variable (this, name, desc, val, range);
+ this.variables[name] = vari;
return vari;
},
GetFunc: function (name)
{
var vari = this.variables[name];
if (! vari)
- vari = this.variables[name] = new Xex.Variable (this, name, Xex.Zero);
+ vari = this.variables[name] = new Xex.Variable (this, name, null,
+ Xex.Zero, null);
return vari;
},
GetVar: function (name) { return this.variables[name]; },
if (this.val != undefined)
return '<' + this.type + '>' + this.val + '</' + this.type + '>';
return '<' + this.type + '/>';
- }
+ },
+ Intval: function () { throw new Xex.ErrTerm (Xex.Error.WrongType,
+ "Not an integer"); },
+ Strval: function () { throw new Xex.ErrTerm (Xex.Error.WrongType,
+ "Not a string"); }
};
-Xex.ParseTerm = function (domain, node)
+Node.prototype.firstElement = function ()
{
- var name = node.nodeName;
- var parser = domain.termtypes[name];
-
- if (parser)
- return parser (domain, node);
- if (name == 'defun' || name == 'defmacro')
- {
- name = parse_defun_head (domain, node);
- parse_defun_body (domain, node);
- return new Xex.StrTerm (name);
- }
- if (name == 'defvar')
- {
- name = parse_defvar (doamin, node);
- return new Xex.StrTerm (nanme);
- }
-
- return new Xex.Funcall.prototype.Parser (domain, node);
+ for (var n = this.firstChild; n; n = n.nextSibling)
+ if (n.nodeType == 1)
+ return n;
+ return null;
}
-Xex.ParseTermList = function (domain, node)
+Node.prototype.nextElement = function ()
{
- for (var n = node; n; n = n.nextSibling)
+ for (var n = this.nextSibling; n; n = n.nextSibling)
if (n.nodeType == 1)
+ return n;
+ return null;
+};
+
+(function () {
+ function parse_defvar (domain, node)
+ {
+ var name = node.attributes['vname'].nodeValue;
+ if (! name)
+ throw new Xex.ErrTerm (Xex.Error.NoVariableName, node, '');
+ var vari = domain.variables[name];
+ var desc, val, range;
+ if (vari)
{
- if (n.nodeName == 'defun' || n.nodeName == 'defmacro')
- Xex.parse_defun_head (domain, n);
+ desc = vari.description;
+ val = vari.val;
+ range = vari.range;
}
- var terms = false;
- for (var n = node; n; n = n.nextSibling)
- if (n.nodeType == 1)
+ node = node.firstElement ();
+ if (node && node.nodeName == 'description')
+ {
+ desc = node.firstChild.nodeValue;
+ node = node.nextElement ();
+ }
+ if (node)
+ {
+ val = Xex.Term.Parse (domain, node);
+ node = node.nextElement ();
+ if (node && node.nodeName == 'possible-values')
+ for (node = node.firstElement (); node; node = node.nextElement ())
+ {
+ var pval;
+ if (node.nodeName == 'range')
+ {
+ if (! val.IsInt)
+ throw new Xex.ErrTerm (Xex.Error.TermTypeInvalid,
+ 'Range not allowed for ' + name);
+ pval = new Array ();
+ for (var n = node.firstElement (); n; n = n.nextElement ())
+ {
+ var v = Xex.Term.Parse (domain, n);
+ if (! v.IsInt)
+ throw new Xex.ErrTerm (Xex.Error.TermTypeInvalid,
+ 'Invalid range value: ' + val);
+ pval.push (v);
+ }
+ }
+ else
+ {
+ pval = Xex.Term.Parse (domain, node);
+ if (val.type != pval.type)
+ throw new Xex.ErrTerm (Xex.Error.TermTypeInvalid,
+ 'Invalid possible value: ' + pval);
+ }
+ if (! range)
+ range = new Array ();
+ range.push (pval);
+ }
+ }
+ if (! val)
+ val = Xex.Zero;
+ domain.Defvar (name, desc, val, range);
+ return name;
+ }
+
+ function parse_defun_head (domain, node)
+ {
+ var name = node.attributes['fname'].nodeValue;
+ if (! name)
+ throw new Xex.ErrTerm (Xex.Error.NoFunctionName, node, '');
+ var args = new Array ();
+ var nfixed = 0, noptional = 0, nrest = 0;
+
+ node = node.firstElement ();
+ if (node && node.nodeName == 'args')
+ {
+ var n;
+ for (n = n.firstElement (); n; n = n.nextElement ())
+ {
+ if (n.nodeName == 'fixed')
+ nfixed++;
+ else if (n.nodeName == 'optional')
+ noptional++;
+ else if (n.nodeName == 'rest')
+ nrest++;
+ else
+ throw new Xex.ErrTerm (Xex.Error.WrongType, n, n.nodeName);
+ }
+ if (nrest > 1)
+ throw new Xex.ErrTerm (Xex.Error.WrongType, n, 'Too many <rest>');
+ for (n = node.firstElement (); n; n = n.nextElement ())
+ args.push (domain.DefVar (n.attributes['vname'].nodeValue));
+ }
+ args.min_args = nfixed;
+ args.max_args = nrest == 0 ? nfixed + noptional : -1;
+
+ if (node.nodeName == 'defun')
+ domain.Defun (name, args, null);
+ else
+ domain.Defmacro (name, args, null);
+ return name;
+ }
+
+ function parse_defun_body (domain, node)
+ {
+ var name = node.attributes['fname'].nodeValue;
+ var func = domain.GetFunc (name);
+ var body;
+ for (node = node.firstElement (); node; node = node.nextElement ())
+ if (node.nodeName != 'description' && node.nodeName != 'args')
+ break;
+ body = Xex.Term.Parse (domain, node, null);
+ func.body = body;
+ }
+
+ Xex.Term.Parse = function (domain, node, stop)
+ {
+ if (arguments.length == 2)
+ {
+ var name = node.nodeName;
+ var parser = domain.termtypes[name];
+
+ if (parser)
+ return parser (domain, node);
+ if (name == 'defun' || name == 'defmacro')
+ {
+ name = parse_defun_head (domain, node);
+ parse_defun_body (domain, node);
+ return new Xex.StrTerm (name);
+ }
+ if (name == 'defvar')
+ {
+ name = parse_defvar (domain, node);
+ return new Xex.StrTerm (name);
+ }
+ return new Xex.Funcall.prototype.Parser (domain, node);
+ }
+ for (var n = node; n && n != stop; n = n.nextElement ())
+ if (n.nodeName == 'defun' || n.nodeName == 'defmacro')
+ parse_defun_head (domain, n);
+ var terms = null;
+ for (var n = node; n && n != stop; n = n.nextElement ())
{
- if (! terms)
- terms = new Array ();
if (n.nodeName == 'defun' || n.nodeName == 'defmacro')
- Xex.parse_defun_body (domain, n);
+ parse_defun_body (domain, n);
else if (n.nodeName == 'defvar')
- Xex.parse_defvar (domain, n);
+ parse_defvar (domain, n);
else
- terms.push (Xex.ParseTerm (domain, n));
+ {
+ if (! terms)
+ terms = new Array ();
+ terms.push (Xex.Term.Parse (domain, n));
+ }
}
- return terms;
-}
+ return terms;
+ }
+}) ();
Xex.Varref = function (vname)
{
proto.Clone = function () { return new Xex.Varref (this.val); }
proto.Eval = function (domain)
{
- if (! this.vari || this.vari.domain != domain)
- this.vari = domain.GetVarCreate (this.val);
- return this.vari.val;
+ var vari = domain.GetVarCreate (this.val);
+ Xex.Log (this.ToString () + '=>' + vari.val, domain.depth);
+ return vari.val;
}
proto.Parser = function (domain, node)
return new Xex.Varref (node.attributes['vname'].nodeValue);
}
+ proto.ToString = function ()
+ {
+ return '<varref vname="' + this.val + '"/>';
+ }
+
Xex.Varref.prototype = proto;
}) ();
var null_args = new Array ();
-Xex.Funcall = function (func, vari, args)
+Xex.Funcall = function (func, vname, args)
{
this.func = func;
- this.vari = vari;
+ this.vname = vname;
this.args = args || null_args;
};
var attr;
if (fname == 'funcall')
- fname = node.attributes['fname']
+ fname = node.attributes['fname'].nodeValue;
var func = domain.GetFunc (fname);
- var vari;
+ var vname;
attr = node.attributes['vname'];
- vari = attr != undefined ? domain.GetVarCreate (attr.nodeValue) : false;
- var args = Xex.ParseTermList (domain, node.firstChild);
- return new Xex.Funcall (func, vari, args);
+ vname = attr != undefined ? attr.nodeValue : null;
+ var args = Xex.Term.Parse (domain, node.firstElement (), null);
+ return new Xex.Funcall (func, vname, args);
}
proto.New = function (domain, fname, vname, args)
{
var func = domain.GetFunc (fname);
- var vari = vname ? domain.GetVarCreate (vname) : null;
- var funcall = new Xex.Funcall (func, vari, args);
+ var funcall = new Xex.Funcall (func, vname, args);
if (func instanceof Xex.Macro)
funcall = funcall.Eval (domain);
return funcall;
proto.Eval = function (domain)
{
- return this.func.Call (domain, this.vari, this.args);
+ if (! (this.func instanceof Xex.Subrountine))
+ Xex.Log (this, domain.depth);
+ var vari;
+ if (this.vname)
+ vari = domain.GetVarCreate (this.vname);
+ domain.depth++;
+ var result;
+ try {
+ result = this.func.Call (domain, vari, this.args);
+ } finally {
+ Xex.Log (this + ' => ' + result, --domain.depth);
+ }
+ return result;
}
proto.Clone = function ()
{
var arglist = ''
var len = this.args.length;
+ var str = '<' + this.func.name;
+ if (this.vari)
+ str += ' vname="' + this.vari.name + '"';
if (len == 0)
- return '<' + this.func.name + '/>';
- for (var i = 0; i < len; i++)
- arglist += this.args[i].toString ();
- return '<' + this.func.name + '>' + arglist + '</' + this.func.name + '>';
+ return str + '/>';
+ if (this.func instanceof Xex.Subrountine)
+ for (var i = 0; i < len; i++)
+ arglist += this.args[i].toString ();
+ else
+ for (var i = 0; i < len; i++)
+ arglist += '.';
+ return str + '>' + arglist + '</' + this.func.name + '>';
}
Xex.Funcall.prototype = proto;
(function () {
var proto = new Xex.Term ('integer');
proto.IsInt = true;
+ proto.Intval = function () { return this.val; };
proto.IsTrue = function () { return this.val != 0; }
proto.Clone = function () { return new Xex.IntTerm (this.val); }
proto.Parser = function (domain, node)
(function () {
var proto = new Xex.Term ('string');
proto.IsStr = true;
+ proto.Strval = function () { return this.val; };
proto.IsTrue = function () { return this.val.length > 0; }
proto.Clone = function () { return new Xex.StrTerm (this.val); }
proto.Parser = function (domain, node)
{
- return new Xex.StrTerm (node.firstChild.nodeValue);
+ return new Xex.StrTerm (node.firstChild ? node.firstChild.nodeValue : '');
}
Xex.StrTerm.prototype = proto;
}) ();
proto.Parser = function (domain, node)
{
- var list = Xex.ParseTermList (domain, node.firstChild);
+ var list = Xex.Term.Parse (domain, node.firstElement (), null);
return new Xex.LstTerm (list);
}
function Fset (domain, vari, args)
{
- return vari.SetValue (args[0]);
+ if (! vari)
+ throw new Xex.ErrTerm (Xex.Error.NoVariableName,
+ 'No variable name to set');
+ vari.SetValue (args[0]);
+ return args[0];
+ }
+
+ function Fnot (domain, vari, args)
+ {
+ return (args[0].IsTrue () ? Xex.Zero : Xex.One);
}
function maybe_set_intvar (vari, n)
{
var term = new Xex.IntTerm (n);
- if (vari != null)
+ if (vari)
vari.SetValue (term);
return term;
}
function Fadd (domain, vari, args)
{
- var n = vari ? vari.val.val : 0;
+ var n = vari ? vari.val.Intval () : 0;
var len = args.length;
for (var i = 0; i < len; i++)
- n += args[i].val;
+ n += args[i].Intval ();
+ return maybe_set_intvar (vari, n);
+ }
+
+ function Fmul (domain, vari, args)
+ {
+ var n = vari ? vari.val.Intval () : 1;
+ for (var i = 0; i < args.length; i++)
+ n *= arg.Intval ();
+ return maybe_set_intvar (vari, n);
+ }
+
+ function Fsub (domain, vari, args)
+ {
+ var n, i;
+
+ if (! vari)
+ {
+ n = args[0].Intval ();
+ i = 1;
+ }
+ else
+ {
+ n = vari.val.Intval ();
+ i = 0;
+ }
+ while (i < args.length)
+ n -= args[i++].Intval ();
return maybe_set_intvar (vari, n);
}
+ function Fdiv (domain, vari, args)
+ {
+ var n, i;
+
+ if (! vari == null)
+ {
+ n = args[0].Intval ();
+ i = 1;
+ }
+ else
+ {
+ n = vari.val.Intval ();
+ i = 0;
+ }
+ while (i < args.length)
+ n /= args[i++].Intval ();
+ return maybe_set_intvar (vari, n);
+ }
+
+ function Fmod (domain, vari, args)
+ {
+ return maybe_set_intvar (vari, args[0].Intval () % args[1].Intval ());
+ }
+
+ function Flogior (domain, vari, args)
+ {
+ var n = vari == null ? 0 : vari.val;
+ for (var i = 0; i < args.length; i++)
+ n |= args[i].val;
+ return maybe_set_intvar (vari, n);
+ }
+
+ function Flogand (domain, vari, args)
+ {
+ var n, i;
+ if (vari == null)
+ {
+ Xex.Log ("logand arg args[0]" + args[0]);
+ n = args[0].Intval ()
+ i = 1;
+ }
+ else
+ {
+ Xex.Log ("logand arg var " + vari);
+ n = vari.val.Intval ();
+ i = 0;
+ }
+ while (n > 0 && i < args.length)
+ {
+ Xex.Log ("logand arg " + args[i]);
+ n &= args[i++].val;
+ }
+ return maybe_set_intvar (vari, n);
+ }
+
+ function Flsh (domain, vari, args)
+ {
+ return maybe_set_intvar (vari, args[0].Intval () << args[1].Intval ());
+ }
+
+ function Frsh (domain, vari, args)
+ {
+ return maybe_set_intvar (vari, args[0].Intval () >> args[1].Intval ());
+ }
+
function Fand (domain, vari, args)
{
var len = args.length;
var result = args[i].Eval (domain);
if (domain.Thrown ())
return result;
- if (! result.IsTrue)
+ if (! result.IsTrue ())
return Xex.Zero;
}
return Xex.One;
var result = args[i].Eval (domain);
if (domain.Thrown ())
return result;
- if (result.IsTrue)
+ if (result.IsTrue ())
return Xex.One;
}
return Xex.Zero;
}
+ function Feq (domain, vari, args)
+ {
+ for (var i = 1; i < args.length; i++)
+ if (! args[i - 1].Equals (args[i]))
+ return Xex.Zero;
+ return Xex.One;
+ }
+
+ function Fnoteq (domain, vari, args)
+ {
+ return (Feq (domain, vari, args) == Xex.One ? Xex.Zero : Xex.One);
+ }
+
+ function Flt (domain, vari, args)
+ {
+ var n = args[0].Intval ();
+
+ for (var i = 1; i < args.length; i++)
+ {
+ var n1 = args[i].Intval ();
+ if (n >= n1)
+ return Xex.Zero;
+ n = n1;
+ }
+ return Xex.One;
+ }
+
+ function Fle (domain, vari, args)
+ {
+ var n = args[0].Intval ();
+ for (var i = 1; i < args.length; i++)
+ {
+ var n1 = args[i].Intval ();
+ if (n > n1)
+ return Xex.Zero;
+ n = n1;
+ }
+ return Xex.One;
+ }
+
+ function Fgt (domain, vari, args)
+ {
+ var n = args[0].Intval ();
+ for (var i = 1; i < args.length; i++)
+ {
+ var n1 = args[i].Intval ();
+ if (n <= n1)
+ return Xex.Zero;
+ n = n1;
+ }
+ return Xex.One;
+ }
+
+ function Fge (domain, vari, args)
+ {
+ var n = args[0].Intval ();
+ for (var i = 1; i < args.Length; i++)
+ {
+ var n1 = args[i].Intval ();
+ if (n < n1)
+ return Xex.Zero;
+ n = n1;
+ }
+ return Xex.One;
+ }
+
function Fprogn (domain, vari, args)
{
var result = Xex.One;
if (domain.Thrown ())
return result;
- if (result.IsTrue)
+ if (result.IsTrue ())
return args[1].Eval (domain);
if (args.length == 2)
return Zero;
return args[2].Eval (domain);
}
+ function Fcond (domain, vari, args)
+ {
+ for (var i = 0; i < args.length; i++)
+ {
+ var list = args[i];
+ var result = list.val[0].Eval (domain);
+ if (result.IsTrue ())
+ {
+ for (var j = 1; j < list.val.length; j++)
+ {
+ domain.depth++;
+ result = list.val[j].Eval (domain);
+ domain.depth--;
+ if (domain.Thrown ())
+ return result;
+ }
+ return result;
+ }
+ }
+ return Xex.Zero;
+ }
+
function eval_terms (domain, terms, idx)
{
var result = Xex.Zero;
Xex.BasicDomain = basic;
basic.DefSubr (Fset, "set", true, 1, 1);
+ basic.DefAlias ("=", "set");
+ basic.DefSubr (Fnot, "not", false, 1, 1);
+ basic.DefAlias ("!", "not");
basic.DefSubr (Fadd, "add", true, 1, -1);
+ basic.DefSubr (Fmul, "mul", true, 1, -1);
+ basic.DefAlias ("*", "mul");
+ basic.DefSubr (Fsub, "sub", true, 1, -1);
+ basic.DefAlias ("-", "sub");
+ basic.DefSubr (Fdiv, "div", true, 1, -1);
+ basic.DefAlias ("/", "div");
+ basic.DefSubr (Fmod, "mod", true, 1, 2);
+ basic.DefAlias ("%", "mod");
+ basic.DefSubr (Flogior, "logior", true, 1, -1);
+ basic.DefAlias ('|', "logior");
+ basic.DefSubr (Flogand, "logand", true, 1, -1);
+ basic.DefAlias ("&", "logand");
+ basic.DefSubr (Flsh, "lsh", true, 1, 2);
+ basic.DefAlias ("<<", "lsh");
+ basic.DefSubr (Frsh, "rsh", true, 1, 2);
+ basic.DefAlias (">>", "rsh");
+ basic.DefSubr (Feq, "eq", false, 2, -1);
+ basic.DefAlias ("==", "eq");
+ basic.DefSubr (Fnoteq, "noteq", false, 2, 2);
+ basic.DefAlias ("!=", "noteq");
+ basic.DefSubr (Flt, "lt", false, 2, -1);
+ basic.DefAlias ("<", "lt");
+ basic.DefSubr (Fle, "le", false, 2, -1);
+ basic.DefAlias ("<=", "le");
+ basic.DefSubr (Fgt, "gt", false, 2, -1);
+ basic.DefAlias (">", "gt");
+ basic.DefSubr (Fge, "ge", false, 2, -1);
+ basic.DefAlias (">=", "ge");
basic.DefSubr (Fthrow, "throw", false, 1, 2);
+ //basic.DefSubr (Fappend, "append", true, 0, -1);
+ //basic.DefSubr (Fconcat, "concat", true, 0, -1);
+ //basic.DefSubr (Fnth, "nth", false, 2, 2);
+ //basic.DefSubr (Fcopy, "copy", false, 1, 1);
+ //basic.DefSubr (Fins, "ins", true, 2, 2);
+ //basic.DefSubr (Fdel, "del", true, 2, 2);
+ //basic.DefSubr (Feval, "eval", false, 1, 1);
+ //basic.DefSubr (Fbreak, "break", false, 0, 1);
+ //basic.DefSubr (Freturn, "return", false, 0, 1);
+ //basic.DefSubr (Fthrow, "throw", false, 1, 2);
+
basic.DefSpecial (Fand, "and", false, 1, -1);
+ basic.DefAlias ("&&", "and");
basic.DefSpecial (For, "or", false, 1, -1);
- basic.DefAlias ("=", "set");
+ basic.DefAlias ("||", "or");
basic.DefSpecial (Fprogn, "progn", false, 1, -1);
+ basic.DefAlias ("expr", "progn");
basic.DefSpecial (Fif, "if", false, 2, 3);
+ //basic.DefSpecial (Fwhen, "when", false, 1, -1);
+ //basic.DefSpecial (Floop, "loop", false, 1, -1);
+ //basic.DefSpecial (Fwhile, "while", false, 1, -1);
+ basic.DefSpecial (Fcond, "cond", false, 1, -1);
+ //basic.DefSpecial (Fforeach, "foreach", true, 2, -1);
+ //basic.DefSpecial (Fquote, "quote", false, 1, 1);
+ //basic.DefSpecial (Ftype, "type", false, 1, 1);
basic.DefSpecial (Fcatch, "catch", true, 2, -1);
basic.DefType (Xex.Funcall.prototype);
Xex.Zero = new Xex.IntTerm (0);
Xex.One = new Xex.IntTerm (1);
+Xex.nil = new Xex.SymTerm ('nil');
Xex.Load = function (server, file)
{
enabled: true,
// Boolean flag to tell if MIM is running in debug mode or not.
debug: false,
- // List of registered input methods.
- im_list: {},
+ // List of main input methods.
+ imlist: {},
+ // List of extra input methods;
+ imextra: {},
// Global input method data
im_global: null,
// Currently selected input method.
keysyms["del"] = "delete";
function decode_keysym (str) {
+ if (str.length == 1)
+ return str;
var parts = str.split ("-");
var len = parts.length, i;
var has_modifier = len > 1;
MIM.Key = function (val)
{
this.key;
- this.has_modifier = false;
- if (typeof val == 'string' || val instanceof String)
+ if (val instanceof Xex.Term)
+ this.key = val.val;
+ else if (typeof val == 'string' || val instanceof String)
{
this.key = decode_keysym (val);
if (! this.key)
}
MIM.Key.prototype.toString = function () { return this.key; };
+
+ MIM.Key.FocusIn = new MIM.Key (new Xex.StrTerm ('input-focus-in'));
+ MIM.Key.FocusOut = new MIM.Key (new Xex.StrTerm ('input-focus-out'));
+ MIM.Key.FocusMove = new MIM.Key (new Xex.StrTerm ('input-focus-move'));
}) ();
(function () {
MIM.KeySeq = function (seq)
{
this.val = new Array ();
- this.has_modifier = false;
if (seq)
{
var len = seq.val.length;
for (var i = 0; i < len; i++)
{
- var v = seq.val[i];
- if (v.type != 'string' && v.type != 'integer'
- && v.type != 'symbol')
+ var v = seq.val[i], key;
+ if (v.type == 'symbol' || v.type == 'string')
+ key = new MIM.Key (v);
+ else if (v.type == 'integer')
+ key = new MIM.Key (v.val);
+ else
throw new Xex.ErrTerm (MIM.Error.ParseError,
"Invalid key: " + v);
- var key = new MIM.Key (v.val);
this.val.push (key);
if (key.has_modifier)
this.has_modifier = true;
for (node = node.firstChild; node; node = node.nextSibling)
if (node.nodeType == 1)
{
- var term = Xex.ParseTerm (domain, node);
+ var term = Xex.Term.Parse (domain, node);
return new MIM.KeySeq (term);
}
throw new Xex.ErrTerm (MIM.Error.ParseError, "Invalid keyseq");
MIM.Marker.prototype.CharAt = function (ic)
{
var p = this.Position (ic);
- if (p < 0)
- return ic.GetSurroundingChar (p);
- else if (pos >= ic.preedit.length)
- return ic.GetSurroundingChar (p - ic.preedit.length);
+ if (p < 0 || p >= ic.preedit.length)
+ return 0;
return ic.preedit.charCodeAt (p);
}
- MIM.NamedMarker = function (name) { this.val = name; }
- MIM.NamedMarker.prototype = new MIM.Marker ();
- MIM.NamedMarker.prototype.Position = function (ic)
- {
- var p = ic.marker_positions[this.val];
- return (p == undefined ? 0 : p);
- }
- MIM.NamedMarker.prototype.Mark = function (ic)
- {
- ic.marker_positions[this.val] = ic.cursor_pos;
- }
+ MIM.FloatingMarker = function (name) { this.val = name; };
+ var proto = new MIM.Marker ();
+ MIM.FloatingMarker.prototype = proto;
+ proto.Position = function (ic) { return ic.marker_positions[this.val]; };
+ proto.Mark = function (ic) { ic.marker_positions[this.val] = ic.cursor_pos; };
MIM.PredefinedMarker = function (name) { this.val = name; }
MIM.PredefinedMarker.prototype = new MIM.Marker ();
MIM.SurroundMarker = function (name)
{
this.val = name;
- this.distance = parseInt (name.slice (2));
+ this.distance = parseInt (name.slice (1));
if (isNaN (this.distance))
throw new Xex.ErrTerm (MIM.Error.ParseError, "Invalid marker: " + name);
}
{
return ic.cursor_pos + this.distance;
}
+ MIM.SurroundMarker.prototype.CharAt = function (ic)
+ {
+ if (this.val == '@-0')
+ return -1;
+ var p = this.Position (ic);
+ if (p < 0)
+ return ic.GetSurroundingChar (p);
+ else if (p >= ic.preedit.length)
+ return ic.GetSurroundingChar (p - ic.preedit.length);
+ return ic.preedit.charCodeAt (p);
+ }
MIM.Marker.prototype.Parser = function (domain, node)
{
var n = predefined[name];
if (n)
return n;
- if (name.charAt (1) == '-')
+ if (name.charAt (1) == '-' || name.charAt (1) == '+')
return new MIM.SurroundMarker (name);
throw new Xex.ErrTerm (MIM.Error.ParseError,
"Invalid marker: " + name);
}
- return new MIM.NamedMarker (name);
+ return new MIM.FloatingMarker (name);;
}
}) ();
this.val = name;
}
MIM.Selector.prototype = new Xex.Term ('selector');
+
(function () {
var selectors = {};
selectors["@<"] = selectors["@first"] = new MIM.Selector ('@<');
selectors["@>"] = selectors["@last"] = new MIM.Selector ('@>');
selectors["@-"] = selectors["@previous"] = new MIM.Selector ('@-');
selectors["@+"] = selectors["@next"] = new MIM.Selector ('@+');
- selectors["@["] = selectors["@previous-candidate-change"]
- = new MIM.Selector ('@[');
- selectors["@]"] = selectors["@next-candidate-change"]
- = new MIM.Selector ('@]');
+ selectors["@["] = selectors["@previous-group"] = new MIM.Selector ('@[');
+ selectors["@]"] = selectors["@next-group"] = new MIM.Selector ('@]');
MIM.Selector.prototype.Parser = function (domain, node)
{
for (n = node.firstChild; n && n.nodeType != 1; n = n.nextSibling);
if (! n)
throw new Xex.ErrTerm (MIM.Error.ParseError, "invalid rule:" + node);
- var keyseq = Xex.ParseTerm (domain, n);
+ var keyseq = Xex.Term.Parse (domain, n);
if (keyseq.type != 'keyseq')
throw new Xex.ErrTerm (MIM.Error.ParseError, "invalid rule:" + node);
- var actions = Xex.ParseTermList (domain, n.nextSibling);
+ var actions = Xex.Term.Parse (domain, n.nextElement (), null);
return new MIM.Rule (keyseq, actions);
}
MIM.Rule.prototype.toString = function ()
this.name = name;
this.rules = new Array ();
};
+
(function () {
var proto = new Xex.Term ('map');
var map = new MIM.Map (name);
for (var n = node.firstChild; n; n = n.nextSibling)
if (n.nodeType == 1)
- map.rules.push (Xex.ParseTerm (domain, n));
+ map.rules.push (Xex.Term.Parse (domain, n));
return map;
}
{
this.name = 'TOP';
this.submaps = null;
- this.actions = null;
};
+
(function () {
var proto = {};
- function add_rule (keymap, rule)
+ function add_rule (keymap, rule, branch_actions)
{
var keyseq = rule.keyseq;
var len = keyseq.val.length;
keymap = sub;
keymap.name = name;
}
- keymap.actions = rule.actions;
+ keymap.map_actions = rule.actions;
+ keymap.branch_actions = branch_actions;
}
- proto.Add = function (map)
+ proto.Add = function (map, branch_actions)
{
var rules = map.rules;
var len = rules.length;
for (var i = 0; i < len; i++)
- add_rule (this, rules[i]);
+ add_rule (this, rules[i], branch_actions);
}
proto.Lookup = function (keys, index)
{
var sub;
if (index < keys.val.length && this.submaps
+ && ! keys.val[index])
+ {
+ Xex.Log ('invalid key at ' + index);
+ throw 'invalid key';
+ }
+
+ if (index < keys.val.length && this.submaps
&& (sub = this.submaps[keys.val[index].key]))
{
index++;
this.name = name;
this.keymap = new MIM.Keymap ();
};
+
(function () {
var proto = new Xex.Term ('state');
if (! name)
throw new Xex.ErrTerm (MIM.Error.ParseError, "invalid map");
var state = new MIM.State (name);
- for (node = node.firstChild; node; node = node.nextSibling)
+ for (node = node.firstElement (); node; node = node.nextElement ())
{
- if (node.nodeType != 1)
- continue;
- if (node.nodeName == 'branch')
+ if (node.nodeName == 'title')
+ state.title = node.firstChild.nodeValue;
+ else
{
- state.keymap.Add (map_list[node.attributes['mname'].nodeValue]);
- state.keymap.actions = Xex.ParseTermList (domain, node.firstChild);
+ var n = node.firstElement ();
+ if (node.nodeName == 'branch')
+ state.keymap.Add (map_list[node.attributes['mname'].nodeValue],
+ Xex.Term.Parse (domain, n, null));
+ else if (node.nodeName == 'state-hook')
+ state.enter_actions = Xex.Term.Parse (domain, n, null);
+ else if (node.nodeName == 'catch-all-branch')
+ state.fallback_actions = Xex.Term.Parse (domain, n, null);
}
- else if (node.nodeName == 'state-hook')
- state.enter_actions = Xex.ParseTermList (domain, node.firstChild);
- else if (node.nodeName == 'catch-all-branch')
- state.fallback_actions = Xex.ParseTermList (domain, node.firstChild);
- else if (node.nodeName == 'title')
- state.title = node.firstChild.nodeValue;
}
return state;
}
MIM.State.prototype = proto;
}) ();
-MIM.im_domain = new Xex.Domain ('input-method', null, null);
-MIM.im_domain.DefType (MIM.KeySeq.prototype);
-MIM.im_domain.DefType (MIM.Marker.prototype);
-MIM.im_domain.DefType (MIM.Selector.prototype);
-MIM.im_domain.DefType (MIM.Rule.prototype);
-MIM.im_domain.DefType (MIM.Map.prototype);
-MIM.im_domain.DefType (MIM.State.prototype);
-
(function () {
- var im_domain = MIM.im_domain;
-
- function Finsert (domain, vari, args)
+ function Block (index, term)
{
- var text;
- if (args[0].type == 'integer')
- text = String.fromCharCode (args[0].val);
- else
- text = args[0].val;
- domain.context.insert (text, null);
+ this.Index = index;
+ if (term.IsStr)
+ this.Data = term.val;
+ else if (term.IsList)
+ {
+ this.Data = new Array ();
+ for (var i = 0; i < term.val.length; i++)
+ this.Data.push (term.val[i].val);
+ }
}
- function Finsert_candidates (domain, vari, args)
+ Block.prototype.Count = function () { return this.Data.length; }
+ Block.prototype.get = function (i)
{
- var ic = domain.context;
- var candidates = new Candidates (args, column);
- var candidate = candidates.Current ();
-
- if (
-
+ return (this.Data instanceof Array ? this.Data[i] : this.Data.charAt (i));
}
- im_domain.DefSubr (Finsert, "insert", false, 1, 1);
-}) ();
-
-(function () {
- var parsers = { };
- parsers['description'] = function (node)
+ MIM.Candidates = function (candidates, column)
{
- this.description = node.firstChild.nodeValue;
+ this.column = column;
+ this.row = 0;
+ this.index = 0;
+ this.total = 0;
+ this.blocks = new Array ();
+
+ for (var i = 0; i < candidates.length; i++)
+ {
+ var block = new Block (this.total, candidates[i]);
+ this.blocks.push (block);
+ this.total += block.Count ();
+ }
}
- parsers['title'] = function (node)
+
+ function get_col ()
{
- this.title = node.firstChild.nodeValue;
+ return (this.column > 0 ? this.index % this.column
+ : this.index - this.blocks[this.row].Index);
}
- parsers['map-list'] = function (node)
+
+ function prev_group ()
{
- for (node = node.firstChild; node; node = node.nextSibling)
+ var col = get_col.call (this);
+ var nitems;
+ if (this.column > 0)
{
- if (node.nodeType != 1 || node.nodeName != 'map')
- continue;
- var map = Xex.ParseTerm (this.domain, node);
- this.map_list[map.name] = map;
+ this.index -= this.column;
+ if (this.index >= 0)
+ nitems = this.column;
+ else
+ {
+ var lastcol = (this.total - 1) % this.column;
+ this.index = (col < lastcol ? this.total - lastcol + col
+ : this.total - 1);
+ this.row = this.blocks.length - 1;
+ nitems = lastcol + 1;
+ }
+ while (this.blocks[this.row].Index > this.index)
+ this.row--;
}
- }
- parsers['state-list'] = function (node)
- {
- this.domain.map_list = this.map_list;
- for (node = node.firstChild; node; node = node.nextSibling)
+ else
{
- if (node.nodeType != 1 || node.nodeName != 'state')
- continue;
- var state = Xex.ParseTerm (this.domain, node);
- if (! state.title)
- state.title = this.title;
- if (! this.initial_state)
- this.initial_state = state;
- this.state_list[state.name] = state;
+ this.row = this.row > 0 ? this.row - 1 : this.blocks.length - 1;
+ nitems = this.blocks[this.row].Count ();
+ this.index = (this.blocks[this.row].Index
+ + (col < nitems ? col : nitems - 1));
}
- delete this.domain.map_list;
+ return nitems;
}
- MIM.IM = function (lang, name, extra_id, file)
+ function next_group ()
{
- this.lang = lang;
- this.name = name;
- this.extra_id = extra_id;
- this.file = file;
- this.load_status = MIM.LoadStatus.NotLoaded;
- this.domain = new Xex.Domain (this.lang + '-' + this.name,
- MIM.im_domain, null);
+ var col = get_col.call (this);
+ var nitems;
+ if (this.column > 0)
+ {
+ this.index += this.column - col;
+ if (this.index < this.total)
+ {
+ if (this.index + col >= this.total)
+ {
+ nitems = this.total - this.index;
+ this.index = this.total - 1;
+ }
+ else
+ {
+ nitems = this.column;
+ this.index += col;
+ }
+ }
+ else
+ {
+ this.index = col;
+ this.row = 0;
+ }
+ while (this.blocks[this.row].Index > this.index)
+ this.row++;
+ }
+ else
+ {
+ this.row = this.row < this.blocks.length - 1 ? this.row + 1 : 0;
+ nitems = this.blocks[this.row].Count ();
+ this.index = (this.blocks[this.row].Index
+ + (col < nitems ? col : nitems - 1));
+ }
+ return nitems;
}
- var proto = {
- Load: function ()
- {
- var node = Xex.Load (null, this.file);
- if (! node)
- {
- this.load_status = MIM.LoadStatus.Error;
- return false;
- }
- this.map_list = {};
- this.initial_state = null;
- this.state_list = {};
- for (node = node.firstChild; node; node = node.nextSibling)
- {
- if (node.nodeType != 1)
- continue;
- var name = node.nodeName;
- var parser = parsers[name];
- if (parser)
- parser.call (this, node);
- }
- this.load_status = MIM.LoadStatus.Loaded;
- return true;
+ function prev ()
+ {
+ if (this.index == 0)
+ {
+ this.index = this.total - 1;
+ this.row = this.blocks.length - 1;
+ }
+ else
+ {
+ this.index--;
+ if (this.blocks[this.row].Index > this.index)
+ this.row--;
+ }
}
- }
-
- MIM.IM.prototype = proto;
- MIM.IC = function (im)
+ function next ()
{
- if (im.load_status == MIM.LoadStatus.NotLoaded)
- im.Load ();
- if (im.load_status != MIM.LoadStatus.Loaded)
- alert ('im:' + im.name + ' error:' + im.load_status);
- this.im = im;
- this.domain = new Xex.Domain ('context', im.domain, this);
- this.active = true;
- this.reset ();
- this.spot = 0;
+ this.index++;
+ if (this.index == this.total)
+ {
+ this.index = 0;
+ this.row = 0;
+ }
+ else
+ {
+ var b = this.blocks[this.row];
+ if (this.index == b.Index + b.Count ())
+ this.row++;
+ }
}
- MIM.CandidateTable = function ()
+ function first ()
{
- this.table = new Array ();
+ this.index -= get_col.call (this);
+ while (this.blocks[this.row].Index > this.index)
+ this.row--;
}
- MIM.CandidateTable.prototype.get = function (from)
+ function last ()
{
- for (var i = 0; i < this.table.length; i++)
+ var b = this.blocks[this.row];
+ if (this.column > 0)
{
- var elt = this.table[i];
- if (elt.from <= from && elt.to > from)
- return elt.val;
+ if (this.index + 1 < this.total)
+ {
+ this.index += this.column - get_col.call (this) + 1;
+ while (b.Index + b.Count () <= this.index)
+ b = this.blocks[++this.row];
+ }
}
+ else
+ this.index = b.Index + b.Count () - 1;
}
- MIM.CandidateTable.prototype.put = function (from, to, candidates)
+ MIM.Candidates.prototype.Current = function ()
{
- for (var i = 0; i < this.table.length; i++)
- {
- var elt = this.table[i];
- if (elt.from >= from && elt.from < to
- || elt.to >= from && elt.to < to)
- {
- elt.from = from;
- elt.to = to;
- elt.val = candidates;
- return;
- }
- }
- this.table.push ({ from: from, to: to, val: candidates });
+ var b = this.blocks[this.row];
+ return b.get (this.index - b.Index);
}
- MIM.CandidateTable.prototype.adjust = function (from, to, inserted)
+ MIM.Candidates.prototype.Select = function (selector)
{
- var diff = inserted - (to - from);
- for (var i = 0; i < this.table.length; i++)
+ if (selector.type == 'selector')
{
- var elt = this.table[i];
- if (elt.from >= to)
+ switch (selector.val)
{
- elt.from += diff;
- elt.to += diff;
+ case '@<': first.call (this); break;
+ case '@>': last.call (this); break;
+ case '@-': prev.call (this); break;
+ case '@+': next.call (this); break;
+ case '@[': prev_group.call (this); break;
+ case '@]': next_group.cal (this); break;
+ default: break;
}
+ return this.Current ();
}
+ var col, start, end
+ if (this.column > 0)
+ {
+ col = this.index % this.column;
+ start = this.index - col;
+ end = start + this.column;
+ }
+ else
+ {
+ start = this.blocks[this.row].Index;
+ col = this.index - start;
+ end = start + this.blocks[this.row].Count;
+ }
+ if (end > this.total)
+ end = this.total;
+ this.index += selector.val - col;
+ if (this.index >= end)
+ this.index = end - 1;
+ if (this.column > 0)
+ {
+ if (selector.val > col)
+ while (this.blocks[this.row].Index + this.blocks[this.row].Count
+ < this.index)
+ this.row++;
+ else
+ while (this.blocks[this.row].Index > this.index)
+ this.row--;
+ }
+ return this.Current ();
}
+}) ();
- MIM.CandidateTable.prototype.clear = function ()
+MIM.im_domain = new Xex.Domain ('input-method', null, null);
+MIM.im_domain.DefType (MIM.KeySeq.prototype);
+MIM.im_domain.DefType (MIM.Marker.prototype);
+MIM.im_domain.DefType (MIM.Selector.prototype);
+MIM.im_domain.DefType (MIM.Rule.prototype);
+MIM.im_domain.DefType (MIM.Map.prototype);
+MIM.im_domain.DefType (MIM.State.prototype);
+
+(function () {
+ var im_domain = MIM.im_domain;
+
+ function Finsert (domain, vari, args)
{
- this.table.length = 0;
+ var text;
+ if (args[0].type == 'integer')
+ text = String.fromCharCode (args[0].val);
+ else
+ text = args[0].val;
+ domain.context.ins (text, null);
+ return args[0];
}
- function Block (index, term)
+ function Finsert_candidates (domain, vari, args)
{
- this.Index = index;
- if (term.IsStr)
- this.Data = term.val;
- else if (term.IsList)
+ var ic = domain.context;
+ var gsize = domain.variables['candidates_group_size'];
+ var candidates = new MIM.Candidates (args, gsize ? gsize.Intval () : 0);
+ ic.ins (candidates.Current (), candidates);
+ return args[0];
+ }
+
+ function Fdelete (domain, vari, args)
+ {
+ var ic = domain.context;
+ var pos = args[0].IsInt ? args[0].Intval () : args[0].Position (ic);
+ return new Xex.IntTerm (ic.del (pos));
+ }
+
+ function Fselect (domain, vari, args)
+ {
+ var ic = domain.context;
+ var can = ic.candidates;
+
+ if (can)
{
- this.Data = new Array ();
- for (var i = 0; i < term.val.length; i++)
- this.Data.push (term.val[i].val);
+ var old_text = can.Current ();
+ var new_text = can.Select (args[0]);
+ ic.rep (old_text, new_text, can);
}
+ else
+ Xex.Log ('no candidates at ' + ic.cursor_pos + ' of ' + ic.candidate_table.table.length);
+ return args[0];
}
- Block.prototype.Count = function () { return this.Data.length; }
- Block.prototype.get = function (i)
+ function Fshow (domain, vari, args)
{
- return (this.Data instanceof Array ? this.Data[i] : this.Data.charAt (i));
+ domain.context.candidate_show = true;
+ domain.context.changed |= MIM.ChangedStatus.CandidateShow;
+ return Xex.nil;
+ }
+
+ function Fhide (domain, vari, args)
+ {
+ domain.context.candidate_show = false;
+ domain.context.changed |= MIM.ChangedStatus.CandidateShow;
+ return Xex.nil;
+ }
+
+ function Fchar_at (domain, vari, args)
+ {
+ return new Xex.IntTerm (args[0].CharAt (domain.context));
+ }
+
+ function Fmove (domain, vari, args)
+ {
+ var ic = domain.context;
+ var pos = args[0].IsInt ? args[0].val : args[0].Position (ic);
+ ic.move (pos);
+ return new Xex.IntTerm (pos);
}
- function fill_group (start)
+ function Fmark (domain, vari, args)
{
- var nitems = this.group.length;
- var r = this.row;
- var b = this.blocks[r];
+ args[0].Mark (domain.context);
+ return args[0];
+ }
- if (start < b.Index)
- while (start < b.Index)
- b = this.blocks[--r];
+ function Fpushback (domain, vari, args)
+ {
+ var a = (args[0].IsInt ? args[0].Intval ()
+ : args[0].IsStr ? new KeySeq (args[0])
+ : args[0]);
+ domain.context.pushback (a);
+ return args[0];
+ }
+
+ function Fpop (domain, vari, args)
+ {
+ var ic = domain.context;
+ if (ic.key_head < ic.keys.val.length)
+ ic.keys.val.splice (ic.keys_head, 1);
+ return Xex.nil;
+ }
+
+ function Fundo (domain, vari, args)
+ {
+ var ic = domain.context;
+ var n = args.length == 0 ? -2 : args[0].val;
+ Xex.Log ('undo with arg ' + args[0]);
+ if (n < 0)
+ ic.keys.val.splice (ic.keys.val.length + n, -n);
else
- while (start >= b.Index + b.Count ())
- b = this.blocks[++r];
- this.row = r;
+ ic.keys.val.splice (n, ic.keys.val.length);
+ ic.reset ();
+ return Xex.nil;
+ }
- var count = b.Count ();
- start -= b.Index;
- for (var i = 0; i < nitems; i++, start++)
- {
- if (start >= count)
- {
- r++;
- if (r == this.blocks.Length)
- return i;
- b = this.blocks[r];
- count = b.Count ();
- start = 0;
- }
- this.group[i] = b.get (start);
- }
- return nitems;
+ function Fcommit (domain, vari, args)
+ {
+ domain.context.commit ();
+ return Xex.nil;
}
- function Candidates (candidates, column)
+ function Funhandle (domain, vari, args)
{
- this.column = column;
- this.row = 0;
- this.index = 0;
- this.total = 0;
- this.blocks = new Array ();
+ domain.context.commit ();
+ return Xex.Fthrow (domain, vari, Xex.CatchTag._mimtag);
+ }
- for (var i = 0; i < candidates.length; i++)
- {
- var block = new Block (this.total, candidates[i]);
- this.blocks.push (block);
- this.total += block.Count ();
- }
+ function Fshift (domain, vari, args)
+ {
+ var ic = domain.context;
+ var state_name = args[0].val;
+ var state = ic.im.state_list[state_name];
+ if (! state)
+ throw ("Unknown state: " + state_name);
+ ic.shift (state);
+ return args[0];
}
- Candidates.prototype.Column = function ()
+ function Fshiftback (domain, vari, args)
{
- return (this.column > 0 ? this.index % this.column
- : this.index - this.blocks[this.row].Index);
+ domain.context.shift (null);
+ return Xex.nil;
}
- Candidates.prototype.GroupLength = function ()
+ function Fkey_count (domain, vari, args)
{
- if (this.column > 0)
+ return new Xex.IntTerm (domain.context.key_head);
+ }
+
+ function Fsurrounding_flag (domain, vari, args)
+ {
+ return new Xex.IntTerm (-1);
+ }
+
+ im_domain.DefSubr (Finsert, "insert", false, 1, 1);
+ im_domain.DefSubr (Finsert_candidates, "insert-candidates", false, 1, 1);
+ im_domain.DefSubr (Fdelete, "delete", false, 1, 1);
+ im_domain.DefSubr (Fselect, "select", false, 1, 1);
+ im_domain.DefSubr (Fshow, "show-candidates", false, 0, 0);
+ im_domain.DefSubr (Fhide, "hide-candidates", false, 0, 0);
+ im_domain.DefSubr (Fmove, "move", false, 1, 1);
+ im_domain.DefSubr (Fmark, "mark", false, 1, 1);
+ im_domain.DefSubr (Fpushback, "pushback", false, 1, 1);
+ im_domain.DefSubr (Fpop, "pop", false, 0, 0);
+ im_domain.DefSubr (Fundo, "undo", false, 0, 1);
+ im_domain.DefSubr (Fcommit, "commit", false, 0, 0);
+ im_domain.DefSubr (Funhandle, "unhandle", false, 0, 0);
+ im_domain.DefSubr (Fshift, "shift", false, 1, 1);
+ im_domain.DefSubr (Fshiftback, "shiftback", false, 0, 0);
+ im_domain.DefSubr (Fchar_at, "char-at", false, 1, 1);
+ im_domain.DefSubr (Fkey_count, "key-count", false, 0, 0);
+ im_domain.DefSubr (Fsurrounding_flag, "surrounding-text-flag", false, 0, 0);
+}) ();
+
+
+(function () {
+ function get_global_var (vname)
+ {
+ if (MIM.im_global.load_status == MIM.LoadStatus.NotLoaded)
+ MIM.im_global.Load ()
+ return MIM.im_global.domain.variables[vname];
+ }
+
+ function include (node)
+ {
+ node = node.firstElement ();
+ if (node.nodeName != 'tags')
+ return null;
+
+ var lang = null, name = null, extra = null;
+ for (node = node.firstElement (); node; node = node.nextElement ())
+ {
+ if (node.nodeName == 'language')
+ lang = node.firstChild.nodeValue;
+ else if (node.nodeName == 'name')
+ name = node.firstChild.nodeValue;
+ else if (node.nodeName == 'extra-id')
+ extra = node.firstChild.nodeValue;
+ }
+ if (! lang || ! MIM.imlist[lang])
+ return null;
+ if (! extra)
{
- var nitems = this.group.length;
- var start = this.index - (this.index % nitems);
- return (start + this.column <= this.total ? this.column
- : this.total - start);
+ if (! name || ! (im = MIM.imlist[lang][name]))
+ return null;
}
- return this.blocks[this.row].Count;
+ else
+ {
+ if (! (im = MIM.imextra[lang][extra]))
+ return null;
+ }
+ if (im.load_status != MIM.LoadStatus.Loaded
+ && (im.load_status != MIM.LoadStatus.NotLoaded || ! im.Load ()))
+ return null;
+ return im;
}
- Candidates.prototype.Current = function ()
+ var parsers = { };
+
+ parsers['description'] = function (node)
{
- var b = this.blocks[this.row];
- return b.get (this.index - b.Index);
+ this.description = node.firstChild.nodeValue;
}
-
- Candidates.prototype.PrevGroup ()
+ parsers['variable-list'] = function (node)
{
- var col = this.Column ();
- var nitems;
- if (this.column > 0)
+ for (node = node.firstElement (); node; node = node.nextElement ())
{
- this.index -= this.column;
- if (this.index >= 0)
- nitems = this.column;
+ var vname = node.attributes['vname'].nodeValue;
+ if (this != MIM.im_global)
+ {
+ var vari = get_global_var (vname);
+ if (vari != null)
+ this.domain.Defvar (vname);
+ }
+ vname = Xex.Term.Parse (this.domain, node)
+ }
+ }
+ parsers['command-list'] = function (node)
+ {
+ }
+ parsers['macro-list'] = function (node)
+ {
+ for (var n = node.firstElement (); n; n = n.nextElement ())
+ if (n.nodeName == 'xi:include')
+ {
+ var im = include (n);
+ if (! im)
+ alert ('inclusion fail');
+ else
+ for (var macro in im.domain.functions)
+ {
+ var func = im.domain.functions[macro];
+ if (func instanceof Xex.Macro)
+ im.domain.CopyFunc (this.domain, macro);
+ }
+ n = n.previousSibling;
+ node.removeChild (n.nextSibling);
+ }
+ Xex.Term.Parse (this.domain, node.firstElement (), null);
+ }
+ parsers['title'] = function (node)
+ {
+ this.title = node.firstChild.nodeValue;
+ }
+ parsers['map-list'] = function (node)
+ {
+ for (node = node.firstElement (); node; node = node.nextElement ())
+ {
+ if (node.nodeName == 'xi:include')
+ {
+ var im = include (node);
+ if (! im)
+ {
+ alert ('inclusion fail');
+ continue;
+ }
+ for (var mname in im.map_list)
+ this.map_list[mname] = im.map_list[mname];
+ }
else
{
- var lastcol = (this.total - 1) % this.column;
- this.index = (col < lastcol ? this.total - lastcol + col
- : this.total - 1);
- this.row = this.blocks.length - 1;
- nitems = lastcol + 1;
+ var map = Xex.Term.Parse (this.domain, node);
+ this.map_list[map.name] = map;
}
- while (this.blocks[this.row].Index > this.index)
- this.row--;
}
- else
+ }
+ parsers['state-list'] = function (node)
+ {
+ this.domain.map_list = this.map_list;
+ for (node = node.firstElement (); node; node = node.nextElement ())
{
- this.row = this.row > 0 ? this.row - 1 : this.blocks.length - 1;
- nitems = this.blocks[this.row].Count;
- this.index = (this.blocks[this.row].Index
- + (col < nitems ? col : nitems - 1));
+ if (node.nodeName == 'xi:include')
+ {
+ var im = include (node);
+ if (! im)
+ alert ('inclusion fail');
+ for (var sname in im.state_list)
+ {
+ state = im.state_list[sname];
+ if (! this.initial_state)
+ this.initial_state = state;
+ this.state_list[sname] = state;
+ }
+ }
+ else if (node.nodeName == 'state')
+ {
+ var state = Xex.Term.Parse (this.domain, node);
+ if (! state.title)
+ state.title = this.title;
+ if (! this.initial_state)
+ this.initial_state = state;
+ this.state_list[state.name] = state;
+ }
}
- return nitems;
+ delete this.domain.map_list;
+ }
+
+ MIM.IM = function (lang, name, extra_id, file)
+ {
+ this.lang = lang;
+ this.name = name;
+ this.extra_id = extra_id;
+ this.file = file;
+ this.load_status = MIM.LoadStatus.NotLoaded;
+ this.domain = new Xex.Domain (this.lang + '-'
+ + (this.name != 'nil'
+ ? this.name : this.extra_id),
+ MIM.im_domain, null);
+ }
+
+ var proto = {
+ Load: function ()
+ {
+ var node = Xex.Load (null, this.file);
+ if (! node)
+ {
+ this.load_status = MIM.LoadStatus.Error;
+ return false;
+ }
+ this.map_list = {};
+ this.initial_state = null;
+ this.state_list = {};
+ for (node = node.firstElement (); node; node = node.nextElement ())
+ {
+ var name = node.nodeName;
+ var parser = parsers[name];
+ if (parser)
+ parser.call (this, node);
+ }
+ this.load_status = MIM.LoadStatus.Loaded;
+ return true;
+ }
+ }
+
+ MIM.IM.prototype = proto;
+
+ MIM.IC = function (im, target)
+ {
+ if (im.load_status == MIM.LoadStatus.NotLoaded)
+ im.Load ();
+ if (im.load_status != MIM.LoadStatus.Loaded)
+ alert ('im:' + im.name + ' error:' + im.load_status);
+ this.im = im;
+ this.target = target;
+ this.domain = new Xex.Domain ('context', im.domain, this);
+ this.active = true;
+ this.range = new Array ();
+ this.range[0] = this.range[1] = 0;
+ this.state = null;
+ this.initial_state = this.im.initial_state;
+ this.keys = new MIM.KeySeq ();
+ this.marker_positions = new Array ();
+ this.candidate_table = new MIM.CandidateTable ();
+ this.reset ();
}
- Candidates.prototype.NextGroup = function ()
+ MIM.CandidateTable = function ()
{
- var col = this.Column ();
- var nitems;
- if (this.column > 0)
- {
- this.index += this.column - col;
- if (this.index < this.total)
- {
- if (this.index + col >= this.total)
- {
- nitems = this.total - this.index;
- this.index = this.total - 1;
- }
- else
- {
- nitems = this.column;
- this.index += col;
- }
- }
- else
- {
- this.index = col;
- this.row = 0;
- }
- while (this.blocks[this.row].Index > this.index)
- this.row++;
- }
- else
- {
- this.row = this.row < this.blocks.length - 1 ? this.row + 1 : 0;
- nitems = this.blocks[this.row].Count;
- this.index = (this.blocks[this.row].Index
- + (col < nitems ? col : nitems - 1));
- }
- return nitems;
+ this.table = new Array ();
}
- Candidates.prototype.Prev = function ()
+ MIM.CandidateTable.prototype.get = function (pos)
{
- var col = this.Column ();
-
- if (col == 0)
+ for (var i = 0; i < this.table.length; i++)
{
- int nitems = this.PrevGroup ();
- this.index += col < nitems - 1 ? col : nitems - 1;
+ var elt = this.table[i];
+ if (elt.from < pos && pos <= elt.to)
+ return elt.val;
}
- else
- this.index--;
}
- Candidates.prototype.Next = function ()
+ MIM.CandidateTable.prototype.put = function (from, to, candidates)
{
- int col = this.Column ();
- int nitems = this.GroupLength ();
-
- if (col == nitems - 1)
+ for (var i = 0; i < this.table.length; i++)
{
- nitems = this.NextGroup ();
- this.index -= this.Column ();
+ var elt = this.table[i];
+ if (elt.from < to && elt.to > from)
+ {
+ elt.from = from;
+ elt.to = to;
+ elt.val = candidates;
+ return;
+ }
}
- else
- this.index++;
- }
-
- Candidates.prototype.First = function () { this.index -= this.Column (); }
-
- Candidates.prototype.Last = function ()
- {
- this.index += this.GroupLength () - (this.Column + 1);
+ this.table.push ({ from: from, to: to, val: candidates });
}
- Candidates.prototype.Select = funciton (selector)
+ MIM.CandidateTable.prototype.adjust = function (from, to, inserted)
{
- if (selector instanceof MIM.Selector)
+ var diff = inserted - (to - from);
+ if (diff == 0)
+ return;
+ for (var i = 0; i < this.table.length; i++)
{
- switch (selector.val)
+ var elt = this.table[i];
+ if (elt.from >= to)
{
- case '@<': this.First (); break;
- case '@>': this.Last (); break;
- case '@-': this.Prev (); break;
- case '@+': this.Next (); break;
- case '@[': this.PrevGroup (); break;
- case '@]': this.NextGroup (); break;
- default: break;
+ elt.from += diff;
+ elt.to += diff;
}
- return this.Current ();
}
- var maxcol = this.GroupLength () - 1;
- if (selector > maxcol)
- selector = maxcol;
- this.index = this.index - this.Column () + selector;
- return this.Current ();
+ }
+
+ MIM.CandidateTable.prototype.clear = function ()
+ {
+ this.table.length = 0;
}
function detach_candidates (ic)
ic.candidate_table.clear ();
ic.candidates = null;
ic.changed |= (MIM.ChangedStatus.Preedit | MIM.ChangedStatus.CursorPos
- | ChangedStatus.CandidateList
- | ChangedStatus.CandidateIndex
- | ChangedStatus.CandidateShow);
+ | MIM.ChangedStatus.CandidateList
+ | MIM.ChangedStatus.CandidateIndex
+ | MIM.ChangedStatus.CandidateShow);
}
function set_cursor (prefix, pos)
{
this.cursor_pos = pos;
- if (pos > 0)
- this.candidates = this.candidate_table.get (pos - 1);
- else
- this.candidates = null;
+ this.candidates = this.candidate_table.get (pos);
}
function save_state ()
function handle_key ()
{
- var out = this.keymap.Lookup (this.keys, this.key_head);
+ Xex.Log ('Key(' + this.key_head + ') "' + this.keys.val[this.key_head]
+ + '" in ' + this.state.name + ':' + this.keymap.name
+ + " key/state/commit-head/len:"
+ + this.key_head + '/' + this.state_key_head + '/' + this.commit_key_head + '/' + this.keys.val.length);
+ var out = this.state.keymap.Lookup (this.keys, this.state_key_head);
var sub = out.map;
- var branch_actions = this.state.keymap.actions;
- MIM.log ('handling ' + this.keys.val[this.key_head]
- + ' in ' + this.state.name + ':' + this.keymap.name);
- this.key_head = out.index;
- if (sub != this.keymap)
+ if (out.index > this.key_head)
{
-
+ this.key_head = out.index;
+ Xex.Log (' with submap for ' + this.key_head + 'keys');
restore_state.call (this);
this.keymap = sub;
- MIM.log ('submap found');
- if (this.keymap.actions)
+ if (sub.map_actions)
{
- MIM.log ('taking map actions:');
- if (! this.take_actions (this.keymap.actions))
+ Xex.Log ('taking map actions:');
+ if (! this.take_actions (sub.map_actions))
return false;
}
- else if (this.keymap.submaps)
+ else if (sub.submaps)
{
- MIM.log ('no map actions');
+ Xex.Log ('no map actions');
for (var i = this.state_key_head; i < this.key_head; i++)
{
- MIM.log ('inserting key:' + this.keys.val[i].key);
- this.insert (this.keys.val[i].key, null);
+ Xex.Log ('inserting key:' + this.keys.val[i].key);
+ this.ins (this.keys.val[i].key, null);
}
}
- if (! this.keymap.submaps)
+ if (! sub.submaps)
{
- MIM.log ('terminal:');
+ Xex.Log ('terminal:');
if (this.keymap.branch_actions != null)
{
- MIM.log ('branch actions:');
- if (! this.take_actions (branch_actions))
+ Xex.Log ('branch actions:');
+ if (! this.take_actions (this.keymap.branch_actions))
return false;
}
- if (this.keymap != this.state.keymap)
+ if (sub != this.state.keymap)
this.shift (this.state);
}
}
else
{
- MIM.log ('no submap');
+ Xex.Log (' without submap');
+ this.keymap = sub;
var current_state = this.state;
var map = this.keymap;
- if (branch_actions)
+ if (map.branch_actions)
{
- MIM.log ('branch actions');
- if (! this.take_actions (this.keymap.branch_actions))
+ Xex.Log ('branch actions');
+ if (! this.take_actions (map.branch_actions))
return false;
}
if (map == this.keymap)
{
- MIM.log ('no state change');
+ Xex.Log ('no state change');
if (map == this.initial_state.keymap
&& this.key_head < this.keys.val.length)
{
- MIM.log ('unhandled');
+ Xex.Log ('unhandled');
return false;
}
if (this.keymap != current_state.keymap)
proto = {
reset: function ()
{
- this.produced = null;
- this.preedit = '';
- this.preedit_saved = '';
this.cursor_pos = 0;
- this.marker_positions = {};
- this.candidates = null;
this.candidate_show = false;
- this.state = null;
this.prev_state = null;
- this.initial_state = this.im.initial_state;
this.title = this.initial_state.title;
this.state_preedit = '';
this.state_key_head = 0;
this.state_var_values = {};
this.state_pos = 0;
- this.keymap = null;
- this.keys = new MIM.KeySeq ();
this.key_head = 0;
+ this.commit_key_head = 0;
this.key_unhandled = false;
this.unhandled_key = null;
this.changed = MIM.ChangedStatus.None;
this.produced = '';
this.preedit = '';
this.preedit_saved = '';
- this.marker_positions = {};
- this.candidate_table = new MIM.CandidateTable ();
+ this.candidate_table.clear ();
this.candidates = null;
this.candidate_show = false;
+ for (var elt in this.marker_positions)
+ this.marker_positions[elt] = 0;
this.shift (this.initial_state);
},
GetSurroundingChar: function (pos)
{
- if (pos < 0 ? this.caret_pos < - pos : this.target.value.length < pos)
- return 0;
- return this.target.value.charCodeAt (this.caret_pos + pos);
+ if (pos < 0)
+ {
+ pos += this.range[0];
+ if (pos < 0)
+ return 0;
+ }
+ else
+ {
+ pos += this.range[1];
+ if (pos >= this.target.value.length)
+ return 0;
+ }
+ return this.target.value.charCodeAt (pos);
},
+ DelSurroundText: function (pos)
+ {
+ var text;
+ if (pos < 0)
+ {
+ pos += this.range[0];
+ if (pos <= 0)
+ {
+ pos = 0; text = '';
+ }
+ else
+ text = this.target.value.substring (0, pos);
+ if (this.range[0] < this.target.value.length)
+ text += this.target.value.substring (this.range[0]);
+ this.target.value = text;
+ this.range[1] -= this.range[0] - pos;
+ this.range[0] = pos;
+ }
+ else
+ {
+ pos += this.range[1];
+ text = this.target.value.substring (0, this.range[1]);
+ if (pos >= this.target.value.length)
+ pos = this.target.value.length;
+ else
+ text += this.target.value.substring (pos);
+ this.target.value = text;
+ }
+ },
+
adjust_markers: function (from, to, inserted)
{
var diff = inserted - (to - from);
- for (var m in this.marker_positions)
- if (this.marker_positions[m] > from)
- this.marker_positions[m] = (this.marker_positions[m] >= to
- ? pos + diff : from);
+ for (var name in this.marker_positions)
+ {
+ var pos = this.marker_positions[name];
+ if (pos > from)
+ {
+ if (pos >= to)
+ this.marker_positions[name] += diff;
+ else if (pos > from)
+ this.marker_positions[name] = from;
+ }
+ }
if (this.cursor_pos >= to)
set_cursor.call (this, 'adjust', this.cursor_pos + diff);
else if (this.cursor_pos > from)
this.candidate_table.put (from, from + text.length, candidates)
},
- insert: function (text, candidates)
+ ins: function (text, candidates)
{
this.preedit_replace (this.cursor_pos, this.cursor_pos, text, candidates);
this.changed = MIM.ChangedStatus.Preedit | MIM.ChangedStatus.CursorPos;
},
+ rep: function (old_text, new_text, candidates)
+ {
+ this.preedit_replace (this.cursor_pos - old_text.length,
+ this.cursor_pos, new_text, candidates);
+ this.changed = MIM.ChangedStatus.Preedit | MIM.ChangedStatus.CursorPos;
+ },
+
del: function (pos)
{
- if (pos < 0)
+ var deleted = pos - this.cursor_pos;
+ if (pos < this.cursor_pos)
{
- this.DelSurroundText (pos);
- pos = 0;
+ if (pos < 0)
+ {
+ this.DelSurroundText (pos);
+ deleted = - this.cursor_pos;
+ pos = 0;
+ }
+ if (pos < this.cursor_pos)
+ this.preedit_replace (pos, this.cursor_pos, '', null);
}
- else if (pos > this.preedit.length)
+ else
{
- this.DelSurroundText (pos - this.preedit.length);
- pos = this.preedit.length;
+ if (pos > this.preedit.length)
+ {
+ this.DelSurroundText (pos - this.preedit.length);
+ deleted = this.preedit.length - this.cursor_pos;
+ pos = this.preedit.length;
+ }
+ if (pos > this.cursor_pos)
+ this.preedit_replace (this.cursor_pos, pos, '', null);
}
- if (pos < this.cursor_pos)
- this.preedit = (this.predit.substring (0, pos)
- + this.preedit.substring (this.cursor_pos));
- else
- this.preedit = (this.preedit.substring (0, this.cursor_pos)
- + this.predit.substring (pos));
+ if (deleted != 0)
+ this.changed = MIM.ChangedStatus.Preedit | MIM.ChangedStatus.CursorPos;
+ return deleted;
},
show: function ()
if (this.key_head > this.keys.val.length)
this.key_head = this.keys.val.length;
}
+ Xex.Log ('0: key head = ' + this.key_head);
},
pop: function ()
this.candidate_table.clear ();
this.produced += this.preedit;
this.preedit_replace.call (this, 0, this.preedit.length, '', null);
+ this.preedit_saved = '';
+ this.state_pos = 0;
+ this.commit_key_head = this.key_head;
}
},
{
if (state == null)
{
- MIM.log ("shifting back to previous");
if (this.prev_state == null)
return;
state = this.prev_state;
}
- else
- MIM.log ("shifting to " + state.name);
if (state == this.initial_state)
{
{
this.commit ();
this.keys.val.splice (0, this.key_head);
- this.key_head = 0;
+ this.key_head = this.state_key_head = this.commit_key_head = 0;
this.prev_state = null;
}
}
this.prev_state = this.state;
}
if (state != this.state && state.enter_actions)
- take_actions.call (state.enter_actions);
+ this.take_actions (state.enter_actions);
if (! this.state || this.state.title != state.title)
this.changed |= MIM.ChangedStatus.StateTitle;
this.state = state;
this.keymap = state.keymap;
- this.state_key_head = this.key_head;
save_state.call (this);
},
{
if (! this.active)
{
+ Xex.Log ("active = false");
this.key_unhandled = true;
this.unhandled_key = key;
return false;
this.key_unhandled = false;
this.keys.val.push (key);
var count = 0;
+ Xex.Log ("keyhead=" + this.key_head + " len="+this.keys.val.length);
while (this.key_head < this.keys.val.length)
{
if (! handle_key.call (this))
this.unhandled_key = this.keys.val[this.key_head];
this.keys.val.splice (this.key_head, this.key_head + 1);
}
+ if (this.state_key_head > 0)
+ this.state_key_head--;
+ if (this.commit_key_head > 0)
+ this.commit_key_head--;
this.key_unhandled = true;
break;
}
break;
}
}
+ if (this.keymap == this.initial_state.keymap)
+ this.commit ();
+
+ if (this.commit_key_head > 0)
+ {
+ this.keys.val.splice (0, this.commit_key_head);
+ this.key_head -= this.commit_key_head;
+ this.state_key_head -= this.commit_key_head;
+ this.commit_key_head = 0;
+ }
if (this.key_unhandled)
{
this.keys.val.length = 0;
+ //this.keys.val.splice (0, this.keys.val.length);
this.key_head = this.state_key_head = this.commit_key_head = 0;
}
return (! this.key_unhandled
- && this.produced.length == 0
- && this.preedit.length == 0);
+ && this.produced.length == 0);
}
}
for (node = node.firstChild; node; node = node.nextSibling)
if (node.nodeName == 'input-method')
{
- var lang, name, extra_id, file;
+ var lang = null, name = null, extra_id = null, file = null;
for (var n = node.firstChild; n; n = n.nextSibling)
{
else if (n.nodeName == 'filename')
file = n.firstChild.nodeValue;
}
- if (! MIM.im_list[lang])
- MIM.im_list[lang] = {};
- MIM.im_list[lang][name] = new MIM.IM (lang, name, extra_id, file);
+ if (name && name != 'nil')
+ {
+ if (! MIM.imlist[lang])
+ MIM.imlist[lang] = {};
+ MIM.imlist[lang][name] = new MIM.IM (lang, name, extra_id, file);
+ }
+ else if (extra_id && extra_id != 'nil')
+ {
+ if (! MIM.imextra[lang])
+ MIM.imextra[lang] = {};
+ MIM.imextra[lang][extra_id] = new MIM.IM (lang, name, extra_id, file);
+ }
}
+ if (MIM.imextra.t && MIM.imextra.t.global)
+ MIM.im_global = MIM.imextra.t.global;
+ else
+ {
+ MIM.im_global = new MIM.IM ('t', 'nil', 'global', null);
+ MIM.im_global.load_status = MIM.LoadStatus.Error;
+ }
node = undefined;
}) ();
keys[0x90] = "numlock";
keys[0xF0] = "capslock";
+ var keyids = {};
+ keyids['U+0008'] = 'backspace';
+ keyids['U+0009'] = 'tab';
+ keyids['U+0018'] = 'cancel';
+ keyids['U+001B'] = 'escape';
+ keyids['U+0020'] = 'space';
+ keyids['U+007F'] = 'delete';
+
+ var modifiers = {}
+ modifiers.Shift = 1;
+ modifiers.Control = 1;
+ modifiers.Alt = 1;
+ modifiers.AltGraph = 1;
+ modifiers.Meta = 1
+
MIM.decode_key_event = function (event)
{
- var key = ((event.type == 'keydown' || event.keyCode) ? event.keyCode
+ var key = event.keyIdentifier;
+
+ if (key) // keydown event of Chrome
+ {
+ if (modifiers[key])
+ return false;
+ var mod = '';
+ if (event.ctrlKey) mod += 'C-';
+ if (event.metaKey) mod += 'M-';
+ if (event.altKey) mod += 'A-';
+ var keysym = keyids[key];
+ if (keysym)
+ key = keysym;
+ else if (key.match(/^U\+([0-9A-Z]+)$/))
+ {
+ if (mod.length == 0)
+ return false;
+ key = String.fromCharCode (parseInt (RegExp.$1, 16));
+ }
+ else
+ key = key.toLowerCase ();
+ if (event.shiftKey) mod += 'S-';
+ return new MIM.Key (mod + key);
+ }
+ else
+ {
+ key = ((event.type == 'keydown' || event.keyCode) ? event.keyCode
: event.charCode ? event.charCode
: false);
- if (! key)
- return false;
- if (event.type == 'keydown')
- {
- key = keys[key];
if (! key)
return false;
- if (event.shiftKey) key = "S-" + key ;
+ if (event.type == 'keydown')
+ {
+ key = keys[key];
+ if (! key)
+ return false;
+ if (event.shiftKey) key = "S-" + key ;
+ }
+ else
+ key = String.fromCharCode (key);
}
- else
- key = String.fromCharCode (key);
if (event.altKey) key = "A-" + key ;
if (event.ctrlKey) key = "C-" + key ;
return new MIM.Key (key);
= function (e) { listener.call (target, e || window.event); };
});
-MIM.log = function (msg)
-{
- var node = document.getElementById ('log');
- node.value = msg + "\n" + node.value;
-}
-
MIM.debug_print = function (event, ic)
{
if (! MIM.debug)
if (! MIM.debug_nodes)
{
MIM.debug_nodes = new Array ();
- MIM.debug_nodes['keydown'] = document.getElementById ('keydown');
- MIM.debug_nodes['keypress'] = document.getElementById ('keypress');
MIM.debug_nodes['status0'] = document.getElementById ('status0');
MIM.debug_nodes['status1'] = document.getElementById ('status1');
+ MIM.debug_nodes['keydown'] = document.getElementById ('keydown');
+ MIM.debug_nodes['keypress'] = document.getElementById ('keypress');
MIM.debug_nodes['keymap0'] = document.getElementById ('keymap0');
MIM.debug_nodes['keymap1'] = document.getElementById ('keymap1');
MIM.debug_nodes['preedit0'] = document.getElementById ('preedit0');
}
var target = event.target;
var code = event.keyCode;
- var ch = event.type == 'keydown' ? 0 : event.charCode;
+ var ch = event.type == 'keypress' ? event.charCode : 0;
var key = MIM.decode_key_event (event);
var index;
- MIM.debug_nodes[event.type].innerHTML = "" + code + "/" + ch + " : " + key;
+ MIM.debug_nodes[event.type].innerHTML = "" + code + "/" + ch + ":" + key + '/' + event.keyIdentifier;
index = (event.type == 'keydown' ? '0' : '1');
if (ic)
MIM.debug_nodes['status' + index].innerHTML = ic.im.load_status;
else
MIM.debug_nodes['status' + index].innerHTML = 'no IM';
- MIM.debug_nodes['keymap' + index].innerHTML = ic.keymap.name;
+ MIM.debug_nodes['keymap' + index].innerHTML = ic.state.name;
MIM.debug_nodes['preedit' + index].innerHTML = ic.preedit;
+ if (index == 0)
+ {
+ MIM.debug_nodes.keypress.innerHTML = '';
+ MIM.debug_nodes.status1.innerHTML = '';
+ MIM.debug_nodes.keymap1.innerHTML = '';
+ MIM.debug_nodes.preedit1.innerHTML = ''
+ }
};
-MIM.get_range = function (target, range)
+MIM.get_range = function (target, ic)
{
+ var from, to;
if (target.selectionStart != null) // for Mozilla
{
- range[0] = target.selectionStart;
- range[1] = target.selectionEnd;
+ from = target.selectionStart;
+ to = target.selectionEnd;
}
else // for IE
{
rr.moveToElementText (target);
rr.setEndPoint ('EndToEnd', range);
- range[0] = rr.text.length - r.text.length;
- range[1] = rr.text.length;
+ from = rr.text.length - r.text.length;
+ to = rr.text.length;
}
+ if (ic.range[0] == from && ic.range[1] == to
+ && (to == from || target.value.substring (from, to) == ic.preedit))
+ return true;
+ ic.range[0] = from;
+ ic.range[1] = to;
+ return false;
}
MIM.set_caret = function (target, ic)
if (target.setSelectionRange) // Mozilla
{
var scrollTop = target.scrollTop;
- target.setSelectionRange (ic.spot, ic.spot + ic.preedit.length);
+ target.setSelectionRange (ic.range[0], ic.range[1]);
target.scrollTop = scrollTop;
}
else // IE
{
var range = target.createTextRange ();
- range.moveStart ('character', ic.spot);
- range.moveEnd ('character', ic.spot + ic.preedit.length);
+ range.moveStart ('character', ic.range[0]);
+ range.moveEnd ('character', ic.range[1]);
range.select ();
}
};
-(function () {
- var range = new Array ();
-
- MIM.check_range = function (target, ic)
- {
- MIM.get_range (target, range);
- if (range[0] != ic.spot || range[1] - range[0] != ic.preedit.length
- || target.value.substring (range[0], range[1]) != ic.preedit)
- {
- MIM.log ('reset:' + ic.spot + '-' + (ic.spot + ic.preedit.length)
- + '/' + range[0] + '-' + range[1]);
- ic.reset ();
- }
- target.value = (target.value.substring (0, range[0])
- + target.value.substring (range[1]));
- ic.spot = range[0];
- }
-}) ();
+MIM.ignore_focus = false;
MIM.update = function (target, ic)
{
var text = target.value;
- target.value = (text.substring (0, ic.spot)
+ target.value = (text.substring (0, ic.range[0])
+ ic.produced
+ ic.preedit
- + text.substring (ic.spot));
- ic.spot += ic.produced.length;
+ + text.substring (ic.range[1]));
+ ic.range[0] += ic.produced.length;
+ ic.range[1] = ic.range[0] + ic.preedit.length;
MIM.set_caret (target, ic);
};
-MIM.reset_ic = function (event)
+MIM.focus_in = function (event)
+{
+ var target = event.target;
+ var ic = target.mim_ic;
+ if (ic.wait_update == true)
+ {
+ Xex.Log ("Focus in " + target.tagName + ' IGNORED');
+ event.preventDefault ();
+ return false;
+ }
+ Xex.Log ("Focus in " + target.tagName);
+ ic.Filter (MIM.Key.FocusIn);
+ MIM.update (target, ic);
+}
+
+MIM.focus_out = function (event)
{
- if (event.target.mim_ic)
+ var target = event.target;
+ var ic = target.mim_ic;
+ function reset_update () { ic.wait_update = false; };
+ if (ic.wait_update == true)
{
- var ic = event.target.mim_ic;
- var pos = ic.spot + ic.preedit.length;
- ic.reset ();
- if (pos > ic.spot)
- event.target.setSelectionRange (pos, pos);
+ Xex.Log ("Focus out " + target.tagName + ' IGNORED');
+ event.preventDefault ();
+ return false;
}
+ Xex.Log ("Focus out " + target.tagName);
+ ic.Filter (MIM.Key.FocusOut);
+ ic.wait_update = true;
+ MIM.update (target, ic, true);
+ setTimeout (reset_update, 1000);
};
MIM.keydown = function (event)
{
var target = event.target;
+ if (target.id == 'log')
+ return;
if (! (target.type == "text" || target.type == "textarea"))
return;
+ document.akey = event;
var ic = target.mim_ic;
if (! ic || ic.im != MIM.current)
{
- MIM.log ('creating IC');
- ic = new MIM.IC (MIM.current);
+ target.mim_ic = null;
+ Xex.Log ('creating IC');
+ ic = new MIM.IC (MIM.current, target);
+ if (ic.im.load_status != MIM.LoadStatus.Loaded)
+ return;
target.mim_ic = ic;
- MIM.add_event_listener (target, 'blur', MIM.reset_ic);
+ MIM.add_event_listener (target, 'focus', MIM.focus_in);
+ MIM.add_event_listener (target, 'blur', MIM.focus_out);
+ MIM.get_range (target, ic)
+ }
+ else
+ {
+ if (! MIM.get_range (target, ic))
+ ic.reset ();
}
- if (ic.im.load_status != MIM.LoadStatus.Loaded)
- return;
- MIM.check_range (target, ic);
MIM.debug_print (event, ic);
ic.key = MIM.decode_key_event (event);
+ if (ic.key)
+ {
+ Xex.Log ("filtering " + ic.key);
+ try {
+ var result = ic.Filter (ic.key);
+ } catch (e) {
+ Xex.Log ('Error' + e);
+ throw (e);
+ }
+ MIM.update (target, ic);
+ if (! ic.key_unhandled)
+ event.preventDefault ();
+ }
};
MIM.keypress = function (event)
{
- if (! (event.target.type == "text" || event.target.type == "textarea"))
+ var target = event.target;
+ if (target.id == 'log')
+ return;
+ if (! (target.type == "text" || target.type == "textarea"))
return;
- var ic = event.target.mim_ic;
+ var ic = target.mim_ic;
var i;
try {
return;
}
- MIM.log ("filtering " + ic.key);
- var result = ic.Filter (ic.key);
- MIM.update (event.target, ic);
+ Xex.Log ("filtering " + ic.key);
+ try {
+ var result = ic.Filter (ic.key);
+ Xex.Log ("result = " + result);
+ } catch (e) {
+ Xex.Log ('Error:' + e);
+ throw (e);
+ }
+ MIM.update (target, ic);
if (! ic.key_unhandled)
event.preventDefault ();
+ } catch (e) {
+ Xex.Log ("error:" + e);
+ event.preventDefault ();
} finally {
MIM.debug_print (event, ic);
}
return;
};
-MIM.select_im = function (event)
-{
- var target = event.target.parentNode;
- while (target.tagName != "SELECT")
- target = target.parentNode;
- var idx = 0;
- var im = false;
- for (var lang in MIM.im_list)
- for (var name in MIM.im_list[lang])
- if (idx++ == target.selectedIndex)
- {
- im = MIM.im_list[lang][name];
- break;
- }
- document.getElementsByTagName ('body')[0].removeChild (target);
- target.target.focus ();
- if (im && im != MIM.current)
- {
- MIM.current = im;
- MIM.log ('select IM: ' + im.name);
- }
-};
+(function () {
+ var lang_category = {
+ European: {
+ cs: { name: 'Czech' },
+ da: { name: 'Danish' },
+ el: { name: 'Greek' },
+ en: { name: 'English' },
+ eo: { name: 'Esperanto' },
+ fr: { name: 'French' },
+ grc: { name: 'ClassicGreek' },
+ hr: { name: 'Croatian' },
+ hy: { name: 'Armenian' },
+ ka: { name: 'Georgian' },
+ kk: { name: 'Kazakh' },
+ ru: { name: 'Russian' },
+ sk: { name: 'Slovak' },
+ sr: { name: 'Serbian' },
+ sv: { name: 'Swedish' },
+ vi: { name: 'Vietnamese' },
+ yi: { name: 'Yiddish' } },
+ MiddleEast: {
+ ar: { name: 'Arabic' },
+ dv: { name: 'Divehi' },
+ fa: { name: 'Persian' },
+ he: { name: 'Hebrew' },
+ kk: { name: 'Kazakh' },
+ ps: { name: 'Pushto' },
+ ug: { name: 'Uighur' },
+ yi: { name: 'Yiddish' } },
+ SouthAsia: {
+ as: { name: 'Assamese' },
+ bn: { name: 'Bengali' },
+ bo: { name: 'Tibetan' },
+ gu: { name: 'Gujarati' },
+ hi: { name: 'Hindi' },
+ kn: { name: 'Kannada' },
+ ks: { name: 'Kashmiri' },
+ ml: { name: 'Malayalam' },
+ mr: { name: 'Marathi' },
+ ne: { name: 'Nepali' },
+ or: { name: 'Oriya' },
+ pa: { name: 'Panjabi' },
+ sa: { name: 'Sanskirit' },
+ sd: { name: 'Sindhi' },
+ si: { name: 'Sinhalese' },
+ ta: { name: 'Tamil' },
+ te: { name: 'Telugu' },
+ ur: { name: 'Urdu' } },
+ SouthEastAsia: {
+ cmc: { name: 'Cham' },
+ km: { name: 'Khmer'},
+ lo: { name: 'Lao' },
+ my: { name: 'Burmese' },
+ tai: { name: 'Tai Viet' },
+ th: { name: 'Thai' },
+ vi: { name: 'Vietanamese' } },
+ EastAsia: {
+ ii: { name: 'Yii' },
+ ja: { name: 'Japanese' },
+ ko: { name: 'Korean' },
+ zh: { name: 'Chinese' } },
+ Other: {
+ am: { name: 'Amharic' },
+ ath: { name: 'Carrier' },
+ bla: { name: 'Blackfoot' },
+ cr: { name: 'Cree' },
+ eo: { name: 'Esperanto' },
+ iu: { name: 'Inuktitut' },
+ nsk: { name: 'Naskapi' },
+ oj: { name: 'Ojibwe' },
+ t: { name: 'Generic' } }
+ };
+
+ function categorize_im ()
+ {
+ var cat, lang, list, name;
+ for (lang in MIM.imlist)
+ {
+ list = null;
+ for (cat in lang_category)
+ if (lang_category[cat][lang])
+ {
+ list = lang_category[cat][lang].list;
+ if (! list)
+ list = lang_category[cat][lang].list = {};
+ for (name in MIM.imlist[lang])
+ list[name] = MIM.imlist[lang][name];
+ }
+ if (! list)
+ for (name in MIM.imlist[lang])
+ Xex.Log ('no category ' + lang + '-' + name);
+ }
+ }
-MIM.destroy_menu = function (event)
-{
- if (event.target.tagName == "SELECT")
- document.getElementsByTagName ('body')[0].removeChild (event.target);
-};
+ var destroy_timer;
+ var last_target;
-MIM.select_menu = function (event)
-{
- var target = event.target;
+ function destroy ()
+ {
+ clearTimeout (destroy_timer);
+ destroy_timer = null;
+ var target = document.getElementById ('mim-menu');
+ if (target)
+ {
+ for (; last_target && last_target.menu_level;
+ last_target = last_target.parentLi)
+ last_target.style.backgroundColor = 'white';
+ var nodes = target.getElementsByTagName ('ul');
+ for (var i = 0; i < nodes.length; i++)
+ nodes[i].style.visibility = 'hidden';
+ document.getElementsByTagName ('body')[0].removeChild (target);
+ }
+ }
- if (! ((target.type == "text" || target.type == "textarea")
- && event.which == 1 && event.ctrlKey))
- return;
+ function destroy_menu () {
+ if (! destroy_timer)
+ destroy_timer = setTimeout (destroy, 1000);
+ }
- var sel = document.createElement ('select');
- sel.onclick = MIM.select_im;
- sel.onmouseout = MIM.destroy_menu;
- sel.style.position='absolute';
- sel.style.left = (event.clientX - 10) + "px";
- sel.style.top = (event.clientY - 10) + "px";
- sel.target = target;
- var idx = 0;
- for (var lang in MIM.im_list)
- for (var name in MIM.im_list[lang])
- {
- var option = document.createElement ('option');
- var imname = lang + "-" + name;
- option.appendChild (document.createTextNode (imname));
- option.value = imname;
- sel.appendChild (option);
- if (MIM.im_list[lang][name] == MIM.current)
- sel.selectedIndex = idx;
- idx++;
- }
- sel.size = idx;
- document.getElementsByTagName ('body')[0].appendChild (sel);
-};
+ function show_submenu (event)
+ {
+ if (destroy_timer)
+ {
+ clearTimeout (destroy_timer);
+ destroy_timer = null;
+ }
+ var target = event.target;
+ if (! target.menu_level)
+ return;
+ if (last_target && target.parentLi != last_target)
+ {
+ last_target.style.backgroundColor = 'white';
+ if (target.menu_level < last_target.menu_level)
+ {
+ last_target = last_target.parentLi;
+ last_target.style.backgroundColor = 'white';
+ }
+ var uls = last_target.getElementsByTagName ('ul');
+ for (var i = 0; i < uls.length; i++)
+ uls[i].style.visibility = 'hidden';
+ }
+ last_target = target;
+ target.style.backgroundColor = 'yellow';
+ if (target.menu_level < 3)
+ {
+ target.lastChild.style.visibility = 'visible';
+ target.lastChild.style.left = target.clientWidth + 'px';
+ }
+ event.preventDefault ();
+ }
+
+ function select_im (event)
+ {
+ var target = event.target;
+ if (target.im)
+ {
+ MIM.current = target.im;
+ destroy ();
+ }
+ event.preventDefault ();
+ }
+
+ function create_ul (visibility)
+ {
+ var ul = document.createElement ('ul');
+ ul.style.position = 'absolute';
+ ul.style.margin = '0px';
+ ul.style.padding = '0px';
+ ul.style.border = '1px solid gray';
+ ul.style.borderBottom = 'none';
+ ul.style.top = '-1px';
+ ul.style.backgroundColor = 'white';
+ ul.style.visibility = visibility;
+ return ul;
+ }
+
+ function create_li (level, text)
+ {
+ var li = document.createElement ('li');
+ li.style.position = 'relative';
+ li.style.margin = '0px';
+ li.style.padding = '1px';
+ li.style.borderBottom = '1px solid gray';
+ li.style.top = '0px';
+ li.style.listStyle = 'none';
+ li.menu_level = level;
+ var nobr = document.createElement ('nobr');
+ nobr.innerHTML = text;
+ li.appendChild (nobr);
+ return li;
+ }
+
+ var menu;
+
+ function create_menu (event)
+ {
+ var target = event.target;
+
+ if (! ((target.type == "text" || target.type == "textarea")
+ && event.which == 1 && event.ctrlKey))
+ return;
+ if (! menu)
+ {
+ categorize_im ();
+ menu = create_ul ('visible');
+ menu.style.fontFamily = 'sans-serif';
+ menu.style.fontWeight = 'bold';
+ menu.id = 'mim-menu';
+ menu.onclick = select_im;
+ menu.onmouseover = show_submenu;
+ menu.onmouseout = destroy_menu;
+ for (var catname in lang_category)
+ {
+ var cat = lang_category[catname];
+ var li = create_li (1, catname);
+ var sub = create_ul ('hidden');
+ for (var langname in cat)
+ {
+ var lang = cat[langname];
+ if (! lang.list)
+ continue;
+ var sub_li = create_li (2, lang.name);
+ sub_li.parentLi = li;
+ var subsub = create_ul ('hidden');
+ for (var name in lang.list)
+ {
+ var im = lang.list[name];
+ var subsub_li = create_li (3, im.name);
+ subsub_li.parentLi = sub_li;
+ subsub_li.im = im;
+ subsub.appendChild (subsub_li);
+ }
+ sub_li.appendChild (subsub);
+ sub.appendChild (sub_li);
+ }
+ li.appendChild (sub);
+ menu.appendChild (li);
+ }
+ document.mimmenu = menu;
+ lang_category = null;
+ }
+ menu.style.left = (event.clientX - 10) + "px";
+ menu.style.top = (event.clientY - 10) + "px";
+ document.getElementsByTagName ('body')[0].appendChild (menu);
+ };
+
+ MIM.init = function ()
+ {
+ MIM.add_event_listener (window, 'keydown', MIM.keydown);
+ MIM.add_event_listener (window, 'keypress', MIM.keypress);
+ MIM.add_event_listener (window, 'mousedown', create_menu);
+ if (window.location == 'http://localhost/mim/index.html')
+ MIM.server = 'http://localhost/mim';
+ MIM.current = MIM.imlist['zh']['tonepy'];
+ };
+}) ();
MIM.test = function ()
{
- var im = MIM.im_list['t']['latn-post'];
- var ic = new MIM.IC (im);
+ var im = MIM.imlist['t']['latn-post'];
+ var ic = new MIM.IC (im, null);
ic.Filter (new MIM.Key ('a'));
ic.Filter (new MIM.Key ("'"));
else {
try {
document.getElementById ('text').value
- = Xex.ParseTerm (domain, body).Eval (domain).toString ();
+ = Xex.Term.Parse (domain, body).Eval (domain).toString ();
} catch (e) {
if (e instanceof Xex.ErrTerm)
alert (e);
}
-MIM.init = function ()
-{
- MIM.add_event_listener (window, 'keydown', MIM.keydown);
- MIM.add_event_listener (window, 'keypress', MIM.keypress);
- MIM.add_event_listener (window, 'mousedown', MIM.select_menu);
- if (window.location == 'http://localhost/mim/index.html')
- MIM.server = 'http://localhost/mim';
- MIM.current = MIM.im_list['vi']['telex'];
-};
-
MIM.init_debug = function ()
{
MIM.debug = true;
+ Xex.LogNode = document.getElementById ('log');
+ Xex.Log (null);
MIM.init ();
};