JosmFilterParser

Usage

    try {
        JosmFilterParser parser = new JosmFilterParser(new ByteArrayInputStream(filterString.getBytes()));
        boolean matches = parser.condition(false).eval(...);
    } catch (JosmFilterParseException pex) {
        ...
    } catch (Error err) {
        ...
    }

Your OSM elements object must either implement the Meta interface or be wrapped in an object that implements it. The object can then be passed to the eval method.

Supported expressions

This is what the parser currently supports not necessarily what can be supported in a specific application.

	Syntax		Overpass
✅	Baker Street
✅	"Baker Street"
✅	key:valuefragment
✅	-key:valuefragment
✅	key:	undocumented in JOSM	✅
✅	key
✅	key?	undocumented in JOSM	✅
✅	key=value		✅
✅	key~regexp	in JOSM since 16260	✅
✅	key=*		✅
✅	key=		✅
✅	*=value		✅
✅	key>value
✅	key<value
✅	expr expr		✅
✅	expr AND expr	undocumented in JOSM	✅
✅	expr | expr		✅
✅	expr OR expr		✅
✅	expr XOR expr	undocumented in JOSM	✅
✅	-expr		✅
✅	(expr)		✅
✅	type:node		✅
✅	type:way		✅
✅	type:relation		✅
✅	closed		✅
✅	untagged		✅
✅	preset:"preset item path"
✅	preset:"preset group path/*"
✅	user:		✅
✅	id:		✅
✅	version:		✅
✅	changeset:
✅	timestamp:
✅	nodes:range
✅	ways:range
✅	members:range	in JOSM since 16581
✅	tags:range		✅
✅	role:role
✅	areasize:range
✅	waylength:range
✅	modified
✅	new
✅	ways:range
✅	selected
✅	incomplete
✅	deleted
✅	child expr
✅	parent expr
✅	hasRole:role
	nth:number
	nth%:number
✅	inview		✅
✅	allinview
✅	indownloadedarea
✅	allindownloadedarea
✅	in place	only overpass queries	✅
✅	around place	only overpass queries	✅

Version 0.3.0 and later optionally supports regexps instead of the * wildcard.

Backslash style quoting is supported in quote strings for backslash and double quotes, it is not supported in unquoted strings.

More documentation on the grammar can be found in the documentation repository.

Including in your project

You can either download the jar from github or add the following to your build.gradle

...
    repositories {
        ...   
        mavenCentral()
        ...              
    }
...

dependencies {
    ...
    compile 'ch.poole.osm:JosmFilterParser:0.11.1'
    ...
}