JPath v0.2.0

JPath is a tool for riding through json using an XPath syntax.

Node.js complient

Travis CI tracker: http://travis-ci.org/#!/j-san/JPath

usage

var d = new JPath(data)

Create a new examinable data set. JPath extends Array, get free to use Array functions on JPath like push or slice.

d.q(path, function) or JPath.query([path][, function])

Return a subset of JPath, if callback is specified, callback is called for each matching elements.

d.count([path])

Return the number of matching elements by path.

d.sum([path])

Return the sum of matched values.

d.exists([path])

Return true if any element match the path.

d.valueOf([path])

Return each literal values of the set.

d.copyOf([path])

Return a string representation of the set.

Supported XPath syntax

path/to/somewhere
path//deep//inside/and/*/all/children
with[contains/path]/and/index[123]/selection
computing[(1+2)*123=5]
/any[combining]/of//different/*[0]/syntax
...