attributs.js

var Hash = require( './core_ext/hash' ).Hash,
  sys = require('sys');

var attrs = {
  "Damping" : { "usage" : "G", "type" : "double" },
  "K" : { "usage" : "GC", "type" : "double" },
  "URL" : { "usage" : "ENGC", "type" : "escString" },
  "arrowhead" : { "usage" : "E", "type" : "arrowType" },
  "arrowsize" : { "usage" : "E", "type" : "double" },
  "arrowtail" : { "usage" : "E", "type" : "arrowType" },
  "aspect" : { "usage" : "G", "type" : "aspectType" },
  "bb" : { "usage" : "G", "type" : "rect" },
  "bgcolor" : { "usage" : "GC", "type" : "color" },
  "center" : { "usage" : "G", "type" : "bool" },
  "charset" : { "usage" : "G", "type" : "string" },
  "clusterrank" : { "usage" : "G", "type" : "clusterMode" },
  "color" : { "usage" : "ENC", "type" : "color" },
  "colorscheme" : { "usage" : "ENCG", "type" : "string" },
  "comment" : { "usage" : "ENG", "type" : "string" },
  "compound" : { "usage" : "G", "type" : "bool" },
  "concentrate" : { "usage" : "G", "type" : "bool" },
  "constraint" : { "usage" : "E", "type" : "bool" },
  "decorate" : { "usage" : "E", "type" : "bool" },
  "defaultdist" : { "usage" : "G", "type" : "double" },
  "dim" : { "usage" : "G", "type" : "int" },
  "dimen" : { "usage" : "G", "type" : "int" },
  "dir" : { "usage" : "E", "type" : "dirType" },
  "diredgeconstraints" : { "usage" : "G", "type" : "string" },
  "distortion" : { "usage" : "N", "type" : "double" },
  "dpi" : { "usage" : "G", "type" : "double" },
  "edgeURL" : { "usage" : "E", "type" : "escString" },
  "edgehref" : { "usage" : "E", "type" : "escString" },
  "edgetarget" : { "usage" : "E", "type" : "escString" },
  "edgetooltip" : { "usage" : "E", "type" : "escString" },
  "epsilon" : { "usage" : "G", "type" : "double" },
  "esep" : { "usage" : "G", "type" : "double" },
  "fillcolor" : { "usage" : "NC", "type" : "color" },
  "fixedsize" : { "usage" : "N", "type" : "bool" },
  "fontcolor" : { "usage" : "ENGC", "type" : "color" },
  "fontname" : { "usage" : "ENGC", "type" : "string" },
  "fontnames" : { "usage" : "G", "type" : "string" },
  "fontpath" : { "usage" : "G", "type" : "string" },
  "fontsize" : { "usage" : "ENGC", "type" : "double" },
  "group" : { "usage" : "N", "type" : "string" },
  "headURL" : { "usage" : "E", "type" : "escString" },
  "headclip" : { "usage" : "E", "type" : "bool" },
  "headhref" : { "usage" : "E", "type" : "escString" },
  "headlabel" : { "usage" : "E", "type" : "lblString" },
  "headport" : { "usage" : "E", "type" : "portPos" },
  "headtarget" : { "usage" : "E", "type" : "escString" },
  "headtooltip" : { "usage" : "E", "type" : "escString" },
  "height" : { "usage" : "N", "type" : "double" },
  "href" : { "usage" : "E", "type" : "escString" },
  "id" : { "usage" : "GNE", "type" : "lblString" },
  "image" : { "usage" : "N", "type" : "string" },
  "imagescale" : { "usage" : "N", "type" : "string" },
  "label" : { "usage" : "ENGC", "type" : "lblString" },
  "labelURL" : { "usage" : "E", "type" : "escString" },
  "labelangle" : { "usage" : "E", "type" : "double" },
  "labeldistance" : { "usage" : "E", "type" : "double" },
  "labelfloat" : { "usage" : "E", "type" : "bool" },
  "labelfontcolor" : { "usage" : "E", "type" : "color" },
  "labelfontname" : { "usage" : "E", "type" : "string" },
  "labelfontsize" : { "usage" : "E", "type" : "double" },
  "labelhref" : { "usage" : "E", "type" : "escString" },
  "labeljust" : { "usage" : "GC", "type" : "string" },
  "labelloc" : { "usage" : "NGC", "type" : "string" },
  "labeltarget" : { "usage" : "E", "type" : "escString" },
  "labeltooltip" : { "usage" : "E", "type" : "escString" },
  "landscape" : { "usage" : "G", "type" : "bool" },
  "layer" : { "usage" : "EN", "type" : "layerRange" },
  "layers" : { "usage" : "G", "type" : "layerList" },
  "layersep" : { "usage" : "G", "type" : "string" },
  "layout" : { "usage" : "G", "type" : "string" },
  "len" : { "usage" : "E", "type" : "double" },
  "levels" : { "usage" : "G", "type" : "int" },
  "levelsgap" : { "usage" : "G", "type" : "double" },
  "lhead" : { "usage" : "E", "type" : "string" },
  "lheight" : { "usage" : "GC", "type" : "double" },
  "lp" : { "usage" : "EGC", "type" : "point" },
  "ltail" : { "usage" : "E", "type" : "string" },
  "lwidth" : { "usage" : "GC", "type" : "double" },
  "margin" : { "usage" : "NG", "type" : "pointf" },
  "maxiter" : { "usage" : "G", "type" : "int" },
  "mclimit" : { "usage" : "G", "type" : "double" },
  "mindist" : { "usage" : "G", "type" : "double" },
  "minlen" : { "usage" : "E", "type" : "int" },
  "mode" : { "usage" : "G", "type" : "string" },
  "model" : { "usage" : "G", "type" : "string" },
  "mosek" : { "usage" : "G", "type" : "bool" },
  "nodesep" : { "usage" : "G", "type" : "double" },
  "nojustify" : { "usage" : "GCNE", "type" : "bool" },
  "normalize" : { "usage" : "G", "type" : "bool" },
  "nslimit" : { "usage" : "G", "type" : "double" },
  "nslimit1" : { "usage" : "G", "type" : "double" },
  "ordering" : { "usage" : "G", "type" : "string" },
  "orientation" : { "usage" : "N", "type" : "double" },
  "orientation" : { "usage" : "G", "type" : "string" },
  "outputorder" : { "usage" : "G", "type" : "outputMode" },
  "overlap" : { "usage" : "G", "type" : "string" },
  "overlap_scaling" : { "usage" : "G", "type" : "double" },
  "pack" : { "usage" : "G", "type" : "int" },
  "packmode" : { "usage" : "G", "type" : "packMode" },
  "pad" : { "usage" : "G", "type" : "pointf" },
  "page" : { "usage" : "G", "type" : "pointf" },
  "pagedir" : { "usage" : "G", "type" : "pagedir" },
  "pencolor" : { "usage" : "C", "type" : "color" },
  "penwidth" : { "usage" : "CNE", "type" : "double" },
  "peripheries" : { "usage" : "NC", "type" : "int" },
  "pin" : { "usage" : "N", "type" : "bool" },
  "pos" : { "usage" : "EN", "type" : "point" },
  "quadtree" : { "usage" : "G", "type" : "quadType" },
  "quantum" : { "usage" : "G", "type" : "double" },
  "rank" : { "usage" : "S", "type" : "rankType" },
  "rankdir" : { "usage" : "G", "type" : "rankdir" },
  "ranksep" : { "usage" : "G", "type" : "double" },
  "ratio" : { "usage" : "G", "type" : "string" },
  "rects" : { "usage" : "N", "type" : "rect" },
  "regular" : { "usage" : "N", "type" : "bool" },
  "remincross" : { "usage" : "G", "type" : "bool" },
  "repulsiveforce" : { "usage" : "G", "type" : "double" },
  "resolution" : { "usage" : "G", "type" : "double" },
  "root" : { "usage" : "GN", "type" : "string" },
  "rotate" : { "usage" : "G", "type" : "int" },
  "samehead" : { "usage" : "E", "type" : "string" },
  "sametail" : { "usage" : "E", "type" : "string" },
  "samplepoints" : { "usage" : "N", "type" : "int" },
  "searchsize" : { "usage" : "G", "type" : "int" },
  "sep" : { "usage" : "G", "type" : "double" },
  "shape" : { "usage" : "N", "type" : "shape" },
  "shapefile" : { "usage" : "N", "type" : "string" },
  "showboxes" : { "usage" : "ENG", "type" : "int" },
  "sides" : { "usage" : "N", "type" : "int" },
  "size" : { "usage" : "G", "type" : "pointf" },
  "skew" : { "usage" : "N", "type" : "double" },
  "smoothing" : { "usage" : "G", "type" : "smoothType" },
  "sortv" : { "usage" : "GCN", "type" : "int" },
  "splines" : { "usage" : "G", "type" : "string" },
  "start" : { "usage" : "G", "type" : "startType" },
  "style" : { "usage" : "ENC", "type" : "style" },
  "stylesheet" : { "usage" : "G", "type" : "string" },
  "tailURL" : { "usage" : "E", "type" : "escString" },
  "tailclip" : { "usage" : "E", "type" : "bool" },
  "tailhref" : { "usage" : "E", "type" : "escString" },
  "taillabel" : { "usage" : "E", "type" : "lblString" },
  "tailport" : { "usage" : "E", "type" : "portPos" },
  "tailtarget" : { "usage" : "E", "type" : "escString" },
  "tailtooltip" : { "usage" : "E", "type" : "escString" },
  "target" : { "usage" : "ENGC", "type" : "escString" },
  "tooltip" : { "usage" : "NEC", "type" : "escString" },
  "truecolor" : { "usage" : "G", "type" : "bool" },
  "vertices" : { "usage" : "N", "type" : "pointfList" },
  "viewport" : { "usage" : "G", "type" : "viewPort" },
  "voro_margin" : { "usage" : "G", "type" : "double" },
  "weight" : { "usage" : "E", "type" : "double" },
  "width" : { "usage" : "N", "type" : "double" },
  "z" : { "usage" : "N", "type" : "double" }
};

var gType = {
  "E" : "edge",
  "N" : "node",
  "G" : "graph",
  "C" : "cluster"
};

var quotedTypes = [
  "escString",
  "rect",
  "color",
  "colorList",
  "string",
  "lblString",
  "portPos",
  "point",
  "pointf",
  "pointfList",
  "splineType",
  "style",
  "viewPort"
];

function mustBeQuoted(data) {
  return( quotedTypes.indexOf(attrs[data]["type"]) != -1 )
}

function quoteMe(attr, value) {
  if( mustBeQuoted(attr) ) {
    return( '"'+value+'"' );
  } else {
    return( value );
  }
}

function validateAttribut(name, type) {
  if( attrs[name] ) {
    return( attrs[name]["usage"].indexOf(type) > -1 );
  } else {
    return( false );
  }
}

var Attributs = exports.Attributs = function(t) {
  this._type = t;
  this.attributs = new Hash();
}

Attributs.prototype.length = function() {
  return( this.attributs.length );
}

Attributs.prototype.set = function( name, value ) {
  if( validateAttribut(name, this._type) == false ) {
    sys.debug( "Warning : Invalid attribut `"+name+"' for a "+gType[this._type] );
    // throw "Invalid attribut `"+name+"' for a "+gType[this._type]
  }
  this.attributs.setItem(name, value);
}

Attributs.prototype.get = function( name ) {
  return this.attributs.items[name];
}

Attributs.prototype.to_dot = function(link) {
  var attrsOutput = "";
  var sep = "";
  
  if( this.attributs.length > 0 ) {
    attrsOutput = attrsOutput + " [ "
    for( var name in this.attributs.items ) {
      attrsOutput = attrsOutput + sep + name + " = " + quoteMe(name, this.attributs.items[name])
      sep = ", "
    }
    attrsOutput = attrsOutput + " ]"
  }
  
  return attrsOutput;
}