79 lines
3.6 KiB
Haxe
79 lines
3.6 KiB
Haxe
// SPDX-License-Identifier: MPL-2.0
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// Copyright (c) 2023 Leon van Kammen/NLNET
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package xrfragment;
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import xrfragment.Parser;
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import xrfragment.XRF;
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/**
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* # Spec
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*
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* > version 1.0.0 [](https://github.com/coderofsalvation/xrfragment/actions) generated by `make doc` @ $(date +"%Y-%m-%dT%H:%M:%S%z")
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*
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* ### XR Fragment URI Grammar
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*
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* ```
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* reserved = gen-delims / sub-delims / xrf-scheme
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* gen-delims = "#" / "&"
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* sub-delims = "," / "="
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* xrf-scheme = "xrf://"
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* ```
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*
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* In case your programming language has no parser ([check here](https://github.com/coderofsalvation/xrfragment/tree/main/dist)) you can [crosscompile it](https://github.com/coderofsalvation/xrfragment/blob/main/build.hxml), or roll your own `Parser.parse(k,v,store)` using the spec:
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*
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*/
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@:expose // <- makes the class reachable from plain JavaScript
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@:keep // <- avoids accidental removal by dead code elimination
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class URI {
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@:keep
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public static function parse(url:String,filter:Int):haxe.DynamicAccess<Dynamic> {
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var store:haxe.DynamicAccess<Dynamic> = {}; // 1. store key/values into a associative array or dynamic object
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if( url == null || url.indexOf("#") == -1 ) return store;
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var fragment:Array<String> = url.split("#"); // 1. fragment URI starts with `#`
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var splitArray:Array<String> = fragment[1].split('&'); // 1. fragments are split by `&`
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for (i in 0...splitArray.length) { // 1. loop thru each fragment
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var splitByEqual = splitArray[i].split('='); // 1. for each fragment split on `=` to separate key/values
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var regexPlus = ~/\+/g; // 1. fragment-values are urlencoded (space becomes `+` using `encodeUriComponent` e.g.)
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var key:String = splitByEqual[0];
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var value:String = "";
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if (splitByEqual.length > 1) {
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if( XRF.isVector.match(splitByEqual[1]) ) value = splitByEqual[1];
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else value = StringTools.urlDecode(regexPlus.split(splitByEqual[1]).join(" "));
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}
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var ok:Bool = Parser.parse(key,value,store,i); // 1. for every recognized fragment key/value-pair call [Parser.parse](#%E2%86%AA%20Parser.parse%28k%2Cv%2Cstore%29)
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}
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if( filter != null && filter != 0 ){
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for (key in store.keys()) {
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var xrf:XRF = store.get(key);
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if( !xrf.is( filter ) ){
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store.remove(key);
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}
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}
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}
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return store;
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}
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@keep
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public static function template(uri:String, vars:Dynamic):String {
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var parts = uri.split("#");
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if( parts.length == 1 ) return uri; // we only do level1 fragment expansion
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var frag = parts[1];
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frag = StringTools.replace(frag,"{","::");
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frag = StringTools.replace(frag,"}","::");
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frag = new haxe.Template(frag).execute(vars);
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frag = StringTools.replace(frag,"null",""); // *TODO* needs regex to check for [#&]null[&]
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parts[1] = frag;
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return parts.join("#");
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}
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}
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/**
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* > icanhazcode? yes, see [URI.hx](https://github.com/coderofsalvation/xrfragment/blob/main/src/xrfragment/URI.hx)
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*
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* # Tests
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*
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* the spec is tested with [JSON unittests](./../src/spec) consumed by [Test.hx](./../src/Test.hx) to cross-test all languages.
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*/
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