MediaWiki:Skin/Projekt:Adventure2/parser/raw

/* * A2 event syntax parser using pegjs * http://pegjs.majda.cz/online * * Parser variable: a2.parser * + Use results cache * + Track line and column * * Put the results here: http://kamelopedia.net/index.php?title=MediaWiki:Skin/Projekt:Adventure2/parser.js&action=edit */ start = S? d:Declaration* {return d;}

Declaration = EventDec / PageDec / ItemDec

/* EVENTS */

EventDec = S? 'event' n:(S Identifier)? CC    tr:TriggerClause co:ConditionClause? ac:ActionClause? End S? { return ["event", {name:n?n[1]:":anonymous:", trigger:tr, condition:(co?co:function{return true;}), action:(ac?ac:function{return true;})}]; } TriggerClause = 'on' S S? tr:TriggerFunctions CC {return tr;} TriggerFunctions = t:TriggerFunction C o:TriggerFunctions {o.push(t); return o;} / t:TriggerFunction {return [t];} TriggerFunction = t:TriggerPageOrVirtOp L a:(Page/PageVirtual) R {return t+"."+a;} / t:TriggerItemOrVirtOp L a:(Item/ItemVirtual) R {return t+"."+a;} / t:"click" L a:Identifier R {return t+"."+a;} / t:"combine" L a:(Item/ItemVirtual) C b:(Item/ItemVirtual) R {return [t,a,b].join(".")} / t:"apply" L a:(Item/ItemVirtual) C b:Identifier R {return [t,a,b].join(".")} TriggerPageOrVirtOp = 'enter' / 'leave'

TriggerItemOrVirtOp = 'add' / 'remove' / 'activate' ConditionClause = 'if' S co:ConditionFunction CC {return co;} ConditionFunction = 'page' L p:Page R {return function{return a2.cpage == p};} / 'any' L a:ConditionArgs R {return function{for(var j=0; j<a.length; j++) if (a[j]) return true; return false; }} / 'all' L a:ConditionArgs R {return function{for(var j=0; j<a.length; j++) if (!a[j]) return false; return true; }} / 'not' L f:ConditionFunction R {return function{ return !f};} / 'have' L i:Item R {return function{return !!a2.items[i]};} / 'page' L v:PageVirtual R {return function{return !!a2.util.hasVirtual(v);};} / 'have' L v:ItemVirtual R {return function{return !!a2.util.hasVirtual(v);};} / 'visible' L o:Overlay R {return function{return $("#overlay_"+o+":visible").length;};} / 'timeoutIsSet' L R {return function{return a2.util.timeoutIsSet;};} ConditionArgs = f:ConditionFunction C a:ConditionArgs {a.push(f); return a;} / f:ConditionFunction {return [f];} ActionClause = 'do' S ac:ActionFunctions CC {return ac;} ActionFunctions = f:ActionFunction C a:ActionFunctions {return function(real){f(real); a(real);};} / ActionFunction

ActionFunction = f:'goto' L p:Page R {return function(real){a2.util.goto(p)};} / f:'add' L i:Item R {return function(real){a2.util.add(i)};} / f:'remove' L i:Item R {return function(real){a2.util.remove(i)};} / f:'print' L s:String R {return function(real){a2.util.print(s)};} / f:"ask" L s:String C c:StringKwArgClause R {return function(real){a2.util.print(s,c);};} / f:'clearTimeout' L R {return function(real){a2.timer.clear;};} / f:'showOverlay' L o:Overlay R {return function(real){ $("#overlay_"+o).show;};} / f:'hideOverlay' L o:Overlay R {return function(real){ $("#overlay_"+o).hide;};} / f:'remove' L i:ItemVirtual R {return function(real){a2.util.removeAll(i)};} / f:'remove' L '${' rt:(TriggerItemOrVirtOp / "combine" / "apply") rn:[12] '}' R {return function(real){if (rt == real[0] && a2.virtualTriggerMap[rt] && a2.virtualTriggerMap[rt][parseInt(rn)-1]) a2.util.remove(real[parseInt(rn)]);};} / "setTimeout" L t:Time R C a:ActionFunctions {return function(real){a2.timer.set(t, function{a(real)});};} / f:'play' L chan:Channel C file:String R {return function(real){a2.audio.play(chan, file)};} / f:'stop' L chan:Channel R {return function(real){a2.audio.stop(chan)};}

/* PAGES AND ITEMS */

Channel = "music" {return "music";} / "noise" {return "noise";} / "background" {return "background";}

PageDec = "page" CC    pv:PageVirtualClause? End {return ["page", {virt:pv}];}

PageVirtualClause = "provides" S v:PageVirtualList CC {return v;}

PageVirtualList = v:PageVirtual C vl:PageVirtualList {vl.push(v); return vl;} / v:PageVirtual {return [v];}

ItemDec = "item" CC    t:TitleClause? iv:ItemVirtualClause? End {return ["item", {virt:iv, title:t}];}

TitleClause = "title" S s:String CC {return s;}

ItemVirtualClause = "provides" S v:ItemVirtualList CC {return v;}

ItemVirtualList = v:ItemVirtual C vl:ItemVirtualList {vl.push(v); return vl;} / v:ItemVirtual {return [v];}

StringKwArgClause = k:StringKwArg C r:StringKwArgClause {return [k].concat(r); } / k:StringKwArg { return [k]; }

StringKwArg = i:Identifier S? '=' S? s:String {return [i,s];}

/* UTILITIES */ L  = S? '(' S? R   = S? ')' S? C   = S? ',' S? CC   = S? ';' S? Identifier = i1:[a-zäöü_] i2:[a-zäöü_]* {return i1+i2.join("");} PageVirtual = p:"@" i:Identifier {return p+i;}

ItemVirtual = p:":" i:Identifier {return p+i;}

Page = p:[0-9]+ {return p.join("");}

Time = p:[1-9] q:[0-9]* {return parseInt(p+q.join(""));} Item = Identifier

Overlay = p:[a-z]+ {return p.join("");} S  = [ \t\n]* "/*" ([^*] / [*][^/] )* "*/" S?   / [ \t\n]* "//" [^\n]* S?   / [ \t\n]+ String = "'" s:SingleStringChar* "'" { return s.join("");} / '"' s:DoubleStringChar* '"' { return s.join("");}

SingleStringChar = EscapeSequence / [^']

DoubleStringChar = EscapeSequence / [^"]

EscapeSequence = "\\n" {return "\n";} / "\\\"" {return '"';} / "\\\'" {return "'";}

End = "end" S? "." S?