// -* coding: utf-8; -*
-var Xex = {};
+var Xex = {
+ LogNode: null,
+ Log: function (arg, indent)
+ {
+ if (! Xex.LogNode)
+ return;
+ var str = '';
+ if (indent != undefined)
+ for (var i = 0; i < indent; i++)
+ str += ' ';
+ Xex.LogNode.value = str + arg + "\n" + Xex.LogNode.value;
+ }
+};
Xex.Error = {
UnknownError: "unknown-error",
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);
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;
}
{
values = {};
for (var elt in this.variables)
- {
- //if (! this.variables[elt].val)
- //alert ('unknown value of ' + elt);
- //else
- values[elt] = this.variables[elt].val.Clone ();
- }
+ values[elt] = this.variables[elt].val.Clone ();
return values;
},
RestoreValues: function (values)
var vari = this.variables[name];
vari.val = values[name];
}
- },
-
- Trace: function () {}
+ }
};
Xex.Term = function (type) { this.type = type; }
{
if (! this.vari || this.vari.domain != domain)
this.vari = domain.GetVarCreate (this.val);
+ Xex.Log (this.ToString () + '=>' + this.vari.val, domain.depth);
return this.vari.val;
}
return new Xex.Varref (node.attributes['vname'].nodeValue);
}
+ proto.ToString = function ()
+ {
+ return '<varref vname="' + this.val + '"/>';
+ }
+
Xex.Varref.prototype = proto;
}) ();
proto.Eval = function (domain)
{
- domain.Trace (this);
+ if (! (this.func instanceof Xex.Subrountine))
+ Xex.Log (this, domain.depth);
domain.depth++;
+ var result;
try {
- var result = this.func.Call (domain, this.vari, this.args);
+ result = this.func.Call (domain, this.vari, this.args);
} finally {
- domain.depth--;
- domain.Trace (' => ' + result + "\n");
+ Xex.Log (this + ' => ' + result, --domain.depth);
}
return result;
}
{
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 + '/>';
+ return str + '/>';
for (var i = 0; i < len; i++)
- arglist += this.args[i].toString ();
- return '<' + this.func.name + '>' + arglist + '</' + this.func.name + '>';
+ arglist += '.'; //this.args[i].toString ();
+ return str + '>' + arglist + '</' + this.func.name + '>';
}
Xex.Funcall.prototype = proto;
function Fset (domain, vari, args)
{
- return vari.SetValue (args[0]);
- }
-
- function maybe_set_intvar (vari, n)
- {
- var term = new Xex.IntTerm (n);
- if (vari != null)
- vari.SetValue (term);
- return term;
- }
-
- function Fset (domain, vari, args)
- {
if (! vari)
throw new Xex.ErrTerm (Xex.Error.NoVariableName,
'No variable name to set');
{
for (var i = 0; i < args.length; i++)
{
- var list = args[i].val;
- var result = list.val[0].Eval (doamin);
- if (result.isTrue ())
+ var list = args[i];
+ var result = list.val[0].Eval (domain);
+ if (result.IsTrue ())
{
for (var j = 1; j < list.val.length; j++)
{
Xex.BasicDomain = basic;
basic.DefSubr (Fset, "set", true, 1, 1);
- if (basic.functions['='])
- alert (basic.functions['=']);
basic.DefAlias ("=", "set");
//basic.DefSubr (Fnot, "not", false, 1, 1);
//basic.DefAlias ("!", "not");
MIM.Marker.prototype.CharAt = function (ic)
{
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);
+ if (p < 0 || p >= ic.preedit.length)
+ return 0;
return ic.preedit.charCodeAt (p);
}
MIM.NamedMarker.prototype.Position = function (ic)
{
var p = ic.marker_positions[this.val];
+ if (p == undefined)
+ Xex.Log ('no position of ' + this.val);
return (p == undefined ? 0 : p);
}
MIM.NamedMarker.prototype.Mark = function (ic)
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)
{
{
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 n = node.firstElement ();
if (node.nodeName == 'branch')
- {
- state.keymap.Add (map_list[node.attributes['mname'].nodeValue]);
- state.keymap.actions = Xex.Term.Parse (domain, n, null);
- }
+ 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')
MIM.im_domain.DefType (MIM.Map.prototype);
MIM.im_domain.DefType (MIM.State.prototype);
-MIM.im_domain.Trace = function (arg)
-{
- var node = document.getElementById ('log');
- if (node)
- node.value = "" + arg + node.value;
-};
-
(function () {
var im_domain = MIM.im_domain;
text = String.fromCharCode (args[0].val);
else
text = args[0].val;
- domain.context.insert (text, null);
+ domain.context.ins (text, null);
+ return args[0];
}
function Finsert_candidates (domain, vari, args)
var ic = domain.context;
var gsize = domain.variables['candidates_group_size'];
var candidates = new MIM.Candidates (args, gsize ? gsize.Intval : 0);
- ic.insert (candidates.Current (), candidates);
+ ic.ins (candidates.Current (), candidates);
return args[0];
}
{
var ic = domain.context;
var pos = args[0].IsInt ? args[0].Intval : args[0].Position (ic);
- ic.del (pos);
- return new Xex.Term (ic.del (pos));
+ return new Xex.IntTerm (ic.del (pos));
}
function Fselect (domain, vari, args)
if (can)
{
- var candidate = can.Current ();
-
- ic.del (ic.cursor_pos - candidate.length);
- candidate = can.Select (args[0]);
- ic.insert (candidate, can);
+ var old_text = can.Current ();
+ var new_text = can.Select (args[0]);
+ ic.rep (old_text, new_text, can);
}
+ else
+ Xex.Log ('no candidates');
return args[0];
}
function Fchar_at (domain, vari, args)
{
- return new Xex.Term (args[0].CharAt (domain.context));
+ 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 args[0];
+ return new Xex.IntTerm (pos);
}
function Fmark (domain, vari, args)
function Fpushback (domain, vari, args)
{
- var arg = (args[0].IsInt ? args[0].Intval
- : args[0].IsStr ? new KeySeq (args[0])
- : args[0]);
- domain.context.pushback (arg)
+ var a = (args[0].IsInt ? args[0].Intval ()
+ : args[0].IsStr ? new KeySeq (args[0])
+ : args[0]);
+ domain.context.pushback (a);
return args[0];
}
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 = {};
+ this.candidate_table = new MIM.CandidateTable ();
this.reset ();
- this.spot = 0;
}
MIM.CandidateTable = function ()
{
var out = this.keymap.Lookup (this.keys, this.key_head);
var sub = out.map;
- var branch_actions = this.state.keymap.actions;
- this.domain.Trace ('handling ' + this.keys.val[this.key_head]
- + ' in ' + this.state.name + ':'
- + this.keymap.name + "\n");
+ Xex.Log ('handling ' + this.keys.val[this.key_head]
+ + ' in ' + this.state.name + ':' + this.keymap.name);
this.key_head = out.index;
if (sub != this.keymap)
{
restore_state.call (this);
this.keymap = sub;
- this.domain.Trace ('submap found\n');
- if (this.keymap.actions)
+ Xex.Log ('submap found');
+ if (this.keymap.map_actions)
{
- this.domain.Trace ('taking map actions:\n');
- if (! this.take_actions (this.keymap.actions))
+ Xex.Log ('taking map actions:');
+ if (! this.take_actions (this.keymap.map_actions))
return false;
}
else if (this.keymap.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)
{
- 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)
}
else
{
- MIM.log ('no submap');
+ Xex.Log ('no submap');
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.key_unhandled = false;
this.unhandled_key = null;
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);
+ {
+ var pos = this.marker_positions[m];
+ if (pos > to)
+ {
+ this.marker_positions[m] = pos + diff;
+ Xex.Log ('Marker ' + m + ' = ' + this.marker_positions[m]);
+ }
+ else if (pos > from)
+ {
+ this.marker_positions[m] = from;
+ Xex.Log ('Marker ' + m + ' = ' + this.marker_positions[m]);
+ }
+ }
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)
{
var deleted = pos - this.cursor_pos;
- if (pos < 0)
+ 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;
},
{
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)
{
= 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)
MIM.debug_nodes['status' + index].innerHTML = 'no IM';
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.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);
};
{
if (event.target.mim_ic)
{
- var ic = event.target.mim_ic;
- var pos = ic.spot + ic.preedit.length;
+ var target = event.target;
+ var ic = target.mim_ic;
+ if (ic.preedit.length > 0)
+ event.target.setSelectionRange (ic.range[1], ic.range[1]);
ic.reset ();
- if (pos > ic.spot)
- event.target.setSelectionRange (pos, pos);
}
};
MIM.keydown = function (event)
{
var target = event.target;
+ if (target.id == 'log')
+ return;
if (! (target.type == "text" || target.type == "textarea"))
return;
var ic = target.mim_ic;
if (! ic || ic.im != MIM.current)
{
- MIM.log ('creating IC');
+ 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.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);
};
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);
+ Xex.Log ("filtering " + ic.key);
var result = ic.Filter (ic.key);
- MIM.update (event.target, ic);
+ MIM.update (target, ic);
if (! ic.key_unhandled)
event.preventDefault ();
} finally {
if (im && im != MIM.current)
{
MIM.current = im;
- MIM.log ('select IM: ' + im.name);
+ Xex.Log ('select IM: ' + im.name);
}
};
MIM.init_debug = function ()
{
MIM.debug = true;
+ Xex.LogNode = document.getElementById ('log');
MIM.init ();
};
projects / m17n / m17n-lib-js.git / blobdiff