/
includes.js
190 lines (159 loc) · 3.48 KB
/
includes.js
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/* util */
// thanks to Brian Huisman and Mark 'Tarquin' Wilton-Jones for the
// following http://my.opera.com/GreyWyvern/blog/show.dml/1725165:
/*Object.prototype.clone = function()
{
var newObj = (this instanceof Array) ? [] : {};
for ( i in this )
{
if ( i == 'clone' ) continue;
if ( this[i] && typeof this[i] == "object" )
newObj[i] = this[i].clone();
else
newObj[i] = this[i];
}
return newObj;
};*/
function gClone( wha )
{
var newObj = (wha instanceof Array) ? [] : {};
for ( i in wha )
{
if ( wha[i] && typeof wha[i] == "object" )
/*if ( wha[i].clone && typeof wha[i].clone == "function" )
newObj[i] = wha[i].clone();
else*/
newObj[i] = gClone( wha[i] );
else
newObj[i] = wha[i];
}
return newObj;
}
function sIndOf( searchar, key, dir )
{
if ( isNaN( searchar.length ) ) return -1;
var s, e;
if ( dir == 1 )
{
s = 0;
e = searchar.length;
}
else
{
s = searchar.length - 1;
e = -1;
}
/*debugOut( "sIndOf: s=" + s + ", e=" + e + ", d=" + dir + ", key=" + key +
"\nin: " + enumerateX(searchar,0) );*/
var i;
for ( i = s; i != e; i += dir )
{
/*debugOut( "sIndOf: key=" + key + "/" +
((Array.isArray( searchar[i] )) ? searchar[i][1] : "NaA") );*/
if ( Array.isArray( searchar[i] ) &&
searchar[i][1] == key )
return i;
}
return -1;
}
function getToEnd( tok, st, out, lang, start, et )
{
var pc = 1;
var opPar = start; //tok[st - 1][1];
//debugOut( 'gte1:' + tok[st - 1][1] );
//var et = lang.parens[ opPar ];
while ( pc > 0 )
{
if ( tok[st][1] == opPar ) pc++;
if ( tok[st][1] == et ) pc--;
//alert( 'gte: ' + tok[st] + '/' + et + '/' + "=" + pc );
if ( pc > 0 )
out.push( tok[st] );
st++;
}
//debugOut( 'gteZ: ' + enumerateX(out,0) );
return st;
}
function enumerateX( o, indent )
{
var r = ""; // "(" + o + " ) ";
if ( (o+"").indexOf( "HTML" ) >= 0 ) return "GRR";
if ( !o ) r = "enumerate error: o is NULL";
if ( indent > 20 ) return "TOOMUCH";
for (var p in o)
{
if ( o.hasOwnProperty(p) )
{
for ( var sc = 0; sc < indent; sc++ ) r += " ";
if ( typeof(o[p]) == 'object' )
{
r += p + "=[\n" + enumerateX( o[p], indent + 1 );
for ( var sc = 0; sc < indent; sc++ ) r += " ";
r += "]\n";
}
else if ( o[p] )
{
r += (p + "=" + o[p] + "\n" );
}
else
r += (p + "=NULLsville\n" );
}
}
return r;
}
function enumerate( o )
{
//return 42;
return enumerateX( o, 0 );
}
function isWhite(c)
{
if ( c.length > 1 ) c = c.substr( 0, 1 );
return (c == ' ' || c == '\n' || c == '\t');
}
function findKey(a,b)
{
for ( var i in b )
{
//debugOut( "findkey:" + a + "/" + b + "/" + i );
if ( b[i] == a )
return i;
}
return null;
}
var gdebug = false;
function debugOut(o)
{
if ( gdebug )
document.getElementById( "outfield" ).value += o + "\n----\n";
return;
}
function lineLength( x1, y1, x2, y2 )
{
var dx = x2 - x1;
var dy = y2 - y1;
return Math.sqrt( (dx * dx) + (dy * dy) );
}
/*function AinB2(a, b)
{
if ( a == undefined ) return false;
for ( var i in b )
{
for ( var ii in i )
{
if ( ii == a )
return true;
}
}
return false;
}*/
function makePoint( x, y )
{
return { "x": x, "y": y };
}
function lineLength( x1, y1, x2, y2 )
{
var dx = x2 - x1;
var dy = y2 - y1;
return Math.sqrt( (dx * dx) + (dy * dy) );
}