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update documentation

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Leon van Kammen 2023-03-31 14:40:24 +02:00
parent 542e4a3400
commit 69df1be36e
6 changed files with 68 additions and 24 deletions
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4
dist/xrfragment.js vendored
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@ -133,11 +133,11 @@ xrfragment_Parser.parse = function(key,value,resultMap) {
}
resultMap[key] = v;
} else {
console.log("src/xrfragment/Parser.hx:36:","[ i ] fragment '" + key + "' has incompatible value (" + value + ")");
console.log("src/xrfragment/Parser.hx:32:","[ i ] fragment '" + key + "' has incompatible value (" + value + ")");
return false;
}
} else {
console.log("src/xrfragment/Parser.hx:37:","[ i ] fragment '" + key + "' does not exist or has no type defined (yet)");
console.log("src/xrfragment/Parser.hx:33:","[ i ] fragment '" + key + "' does not exist or has no type defined (yet)");
return false;
}
return true;

42
doc/1.0.0/url.md Normal file
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@ -0,0 +1,42 @@
# Fragment (values)
| param | type | category | example |
|---------|---------------|-------------------------|------------------|
| pos | 3D vector | HREF navigation/portals | `#pos=1,0,1` or `#pos=foo` |
| prio | int (-10..1) | Asset linking | `#prio=-5` |
# Url parser (the gist of it)
1. fragment URI starts with `#`
1. fragments are split by `&`
1. fragment-values are urlencoded (space becomes `+` using `encodeUriComponent` e.g.)
1. `=` is used to split fragment key/values
1. `|` is used to split multiple/fallback values
1. `,` assumes 1D/2D/3D vector-values like x[,y[,z]]
1. parseFloat(..) and parseInt(..) is applied to vector/float and int values
1. anything else will be treated as string-value
1. incompatible value-types will be dropped / not used
> the xrfragment specification should stay simple enough
> for anyone to write a parser using either regexes or grammar/lexers
> therefore expressions/comprehensions are not supported (max wildcard/comparison operators for queries e.g.)
# Value types
| type | info | format | example |
|------|------|--------|----------------------------------|
|vector| x,y,z| comma-separated | #pos=1,2,3 |
|string| color| FFFFFF (hex) | #fog=5m,FFAACC |
|string| | | #q=-sun |
|int | | [-]x[xxxxx] | #price:>=100 |
|float | | [-]x[.xxxx] (ieee)| #prio=-20
|array | mixed| \|-separated | #pos=0,0,0|90,0,0 |
> rule for thumb: type-limitations will piggyback JSON limitations (IEEE floatsize e.g.)
1. hex colors are detected using regex `/^#([A-Fa-f0-9]{6}|[A-Fa-f0-9]{3})$/`
1. integers are detected using regex `/^[0-9]+$/`
1. floats are detected using regex `/^[0-9]+\.[0-9]+$/`
1. vectors are detected using regex `/[,]/` (but can also be an string referring to an entity-ID in the asset)

11
doc/RFC.md
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@ -1,8 +1,10 @@
> version 1.0.0
date: 2023-03-31T13:32:38+0200 (generated by `./make doc`)
date: 2023-03-31T14:39:54+0200 (generated by `./make doc`)
# URI parser (the gist of it)
# URI parser
> icanhazcode? yes, see [Url.hx](./../src/xrfragment/Url.hx)
1. fragment URI starts with `#`
1. fragments are split by `&`
@ -18,8 +20,11 @@ date: 2023-03-31T13:32:38+0200 (generated by `./make doc`)
| prio | int (-10..1) | Asset linking | `#prio=-5` |
# XR Fragments parser (the gist of it)
# XR Fragments parser
> icanhazcode? yes, see [Parser.hx](./../src/xrfragment/Parser.hx)
the gist of it:
1. each key has a regex to validate its value-type (see regexes)
1. `|` is used to split multiple/fallback values
1. `,` assumes 1D/2D/3D vector-values like x[,y[,z]]

18
src/xrfragment/Parser.hx
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@ -3,26 +3,22 @@ package xrfragment;
@:expose // <- makes the class reachable from plain JavaScript
@:keep // <- avoids accidental removal by dead code elimination
class Parser {
public static var error:String = "";
class Parser { // # XR Fragments (key/value params)
public static var error:String = ""; //
@:keep
public static function parse(key:String,value:String,resultMap:haxe.DynamicAccess<Dynamic>):Bool {
// # XR Fragments (key/value params)
//
// | param | type | category | example |
var Frag:Map<String, EReg> = new Map<String, EReg>(); // |---------|---------------|-------------------------|------------------|
Frag.set("pos", Type.isVector); // | pos | 3D vector | HREF navigation/portals | `#pos=1,0,1` or `#pos=foo` |
Frag.set("prio", Type.isInt); // | prio | int (-10..1) | Asset linking | `#prio=-5` |
//
// # XR Fragments parser (the gist of it)
// # XR Fragments parser
if( Frag.exists(key) ){ //
if( Frag.get(key).match(value) ){ // 1. each key has a regex to validate its value-type (see regexes)
var v:Value = new Value();
guessType(v, value);
// multiple/fallback values
if( Frag.get(key).match(value) ){ // > icanhazcode? yes, see [Parser.hx](./../src/xrfragment/Parser.hx)
var v:Value = new Value(); //
guessType(v, value); // the gist of it:
// process multiple/fallback values // 1. each key has a regex to validate its value-type (see regexes)
if( value.split("|").length > 1 ){ // 1. `|` is used to split multiple/fallback values
v.args = new Array<Value>();
var args:Array<String> = value.split("|");

11
src/xrfragment/Url.hx
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@ -9,12 +9,13 @@ class Url {
public static var error:String = "";
@:keep // # URI parser (the gist of it)
@:keep // # URI parser
public static function parse(qs:String):haxe.DynamicAccess<Dynamic> { //
var fragment:Array<String> = qs.split("#"); // 1. fragment URI starts with `#`
var splitArray:Array<String> = fragment[1].split('&'); // 1. fragments are split by `&`
var resultMap:haxe.DynamicAccess<Dynamic> = {};
for (i in 0...splitArray.length) {
var fragment:Array<String> = qs.split("#"); // > icanhazcode? yes, see [Url.hx](./../src/xrfragment/Url.hx)
var splitArray:Array<String> = fragment[1].split('&'); //
var resultMap:haxe.DynamicAccess<Dynamic> = {}; // 1. fragment URI starts with `#`
for (i in 0...splitArray.length) { // 1. fragments are split by `&`
var splitByEqual = splitArray[i].split('='); // 1. `=` is used to split fragment key/values
var regexPlus = ~/\+/g; // 1. fragment-values are urlencoded (space becomes `+` using `encodeUriComponent` e.g.)
var key:String = splitByEqual[0];

4
test/generated/test.js
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@ -303,11 +303,11 @@ xrfragment_Parser.parse = function(key,value,resultMap) {
}
resultMap[key] = v;
} else {
console.log("src/xrfragment/Parser.hx:36:","[ i ] fragment '" + key + "' has incompatible value (" + value + ")");
console.log("src/xrfragment/Parser.hx:32:","[ i ] fragment '" + key + "' has incompatible value (" + value + ")");
return false;
}
} else {
console.log("src/xrfragment/Parser.hx:37:","[ i ] fragment '" + key + "' does not exist or has no type defined (yet)");
console.log("src/xrfragment/Parser.hx:33:","[ i ] fragment '" + key + "' does not exist or has no type defined (yet)");
return false;
}
return true;