Add JMESPath support

Author: stilvoid

README.md

@@ -24,7 +24,7 @@ It is comprised of three sub-commands:
 
 ## Installing
 
-**Go users**: Simply `go install github.com/stilvoid/please`.
+**Go users**: Simply `go get github.com/stilvoid/please`.
 
 **Arch Linux**: There's a [please package in the AUR](https://aur4.archlinux.org/packages/please/).
 

cmd/parse.go

@@ -6,8 +6,8 @@ import (
 	"os"
 
 	"github.com/andrew-d/go-termutil"
+	"github.com/jmespath/go-jmespath"
 	"github.com/pborman/getopt"
-	"github.com/stilvoid/please/common"
 	"github.com/stilvoid/please/formatters"
 	"github.com/stilvoid/please/parsers"
 )
@@ -23,7 +23,7 @@ func parseHelp() {
 	fmt.Println()
 	fmt.Println("If OUTPUT TYPE is omitted, it will default to the same as the input type - effectively acting as a pretty-printer.")
 	fmt.Println()
-	fmt.Println("If PATH is provided, it should be given in dot-notation, e.g. orders.*.id")
+	fmt.Println("PATH, if provided, is a JMESPath query, e.g. orders.*.id")
 	fmt.Println()
 	fmt.Println("Available input types:")
 	fmt.Printf("    auto\n")
@@ -87,7 +87,7 @@ func parseCommand(args []string) {
 
 	// Path
 	if getopt.NArgs() > 0 {
-		parsed, err = common.Filter(parsed, getopt.Arg(0))
+		parsed, err = jmespath.Search(getopt.Arg(0), parsed)
 
 		if err != nil {
 			fmt.Fprintln(os.Stderr, err)

common/filter.go

@@ -5,6 +5,7 @@ go 1.12
 require (
 	github.com/andrew-d/go-termutil v0.0.0-20150726205930-009166a695a2
 	github.com/clbanning/x2j v0.0.0-20180326210544-5e605d46809c
+	github.com/jmespath/go-jmespath v0.0.0-20180206201540-c2b33e8439af
 	github.com/pborman/getopt v0.0.0-20190409184431-ee0cd42419d3
 	golang.org/x/net v0.0.0-20190921015927-1a5e07d1ff72
 	gopkg.in/yaml.v2 v2.2.2

common/filter_test.go

@@ -2,6 +2,8 @@ github.com/andrew-d/go-termutil v0.0.0-20150726205930-009166a695a2 h1:axBiC50cNZ
 github.com/andrew-d/go-termutil v0.0.0-20150726205930-009166a695a2/go.mod h1:jnzFpU88PccN/tPPhCpnNU8mZphvKxYM9lLNkd8e+os=
 github.com/clbanning/x2j v0.0.0-20180326210544-5e605d46809c h1:gZ7YRTPnL5fRduIw4unEfQWLB/DInK29N2zYza16wfQ=
 github.com/clbanning/x2j v0.0.0-20180326210544-5e605d46809c/go.mod h1:jMjuTZXRI4dUb/I5gc9Hdhagfvm9+RyrPryS/auMzxE=
+github.com/jmespath/go-jmespath v0.0.0-20180206201540-c2b33e8439af h1:pmfjZENx5imkbgOkpRUYLnmbU7UEFbjtDA2hxJ1ichM=
+github.com/jmespath/go-jmespath v0.0.0-20180206201540-c2b33e8439af/go.mod h1:Nht3zPeWKUH0NzdCt2Blrr5ys8VGpn0CEB0cQHVjt7k=
 github.com/pborman/getopt v0.0.0-20190409184431-ee0cd42419d3 h1:YtFkrqsMEj7YqpIhRteVxJxCeC3jJBieuLr0d4C4rSA=
 github.com/pborman/getopt v0.0.0-20190409184431-ee0cd42419d3/go.mod h1:85jBQOZwpVEaDAr341tbn15RS4fCAsIst0qp7i8ex1o=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=