Changed readme template

Updated documentation

.doc.template

@@ -0,0 +1,40 @@
+{{with .PDoc}}{{if $.IsMain}}> {{ base .ImportPath }}
+{{comment_md .Doc}}{{else}}# {{ .Name }}
+[![GoDoc](https://godoc.org/{{ .ImportPath }}?status.svg)](https://godoc.org/github.com/sbrow/{{ .Name }}) [![Build Status](https://travis-ci.org/sbrow/{{ .Name }}.svg?branch=master)](https://travis-ci.org/sbrow/{{ .Name }}) [![Coverage Status](https://coveralls.io/repos/github/sbrow/{{ .Name }}/badge.svg?branch=master)](https://coveralls.io/github/sbrow/{{ .Name }}?branch=master) [![Go Report Card](https://goreportcard.com/badge/{{ .ImportPath }})](https://goreportcard.com/report/{{ .ImportPath }})
+
+`import "{{.ImportPath}}"`
+
+* [Overview](#pkg-overview)
+* [Installation](pkg-installation){{if $.Dirs}}
+* [Subdirectories](#pkg-subdirectories){{end}}{{ with .Notes}}{{ range $marker, $content := .}}
+* [{{$marker}}](#pkg-note-{{$marker}}){{end}}
+{{- end}}
+* [Documentation](#pkg-doc)
+
+## <a name="pkg-overview">Overview</a>
+{{comment_md .Doc}}
+{{example_html $ ""}}
+
+
+## <a name="pkg-installation">Installation</a>
+```sh
+$ go get -u {{ .ImportPath }}
+```
+<!---
+{{if $.Examples}}
+#### <a name="pkg-examples">Examples</a>{{- range $.Examples}}
+* [{{example_name .Name}}](example_{{.Name}}_test.go){{- end}}{{- end}}
+{{end}}
+--->
+
+{{ with .Notes}}
+{{ range $marker, $content := .}}
+## <a name="pkg-note-{{$marker}}">{{$marker}}</a>
+{{ range $key, $value := .}}
+`{{ $value.UID }}:` {{ $value.Body }}{{end}}{{end}}{{end}}
+## <a name="pkg-doc">Documentation</a>
+For full Documentation please visit https://godoc.org/{{.ImportPath}}
+- - -
+{{end}}
+
+Generated by [godoc2md](http://godoc.org/github.com/davecheney/godoc2md)

README.md

@@ -1,12 +1,54 @@
 # ps
 [![GoDoc](https://godoc.org/github.com/sbrow/ps?status.svg)](https://godoc.org/github.com/sbrow/ps) [![Build Status](https://travis-ci.org/sbrow/ps.svg?branch=master)](https://travis-ci.org/sbrow/ps) [![Coverage Status](https://coveralls.io/repos/github/sbrow/ps/badge.svg?branch=master)](https://coveralls.io/github/sbrow/ps?branch=master) [![Go Report Card](https://goreportcard.com/badge/github.com/sbrow/ps)](https://goreportcard.com/report/github.com/sbrow/ps)
 
-Package ps is a rudimentary API between Adobe Photoshop CS5 and Golang. The
-interaction between the two is implemented using Javascript/VBScript.
+`import "github.com/sbrow/ps"`
+
+* [Overview](#pkg-overview)
+* [Installation](pkg-installation)
+* [Subdirectories](#pkg-subdirectories)
+* [TODO](#pkg-note-TODO)
+* [Documentation](#pkg-doc)
+
+## <a name="pkg-overview">Overview</a>
+Package ps is a rudimentary API between Adobe Photoshop CS5 and Golang.
+The interaction between the two is implemented using Javascript/VBScript.
+
+Use it to control Photoshop, edit documents, and perform batch operations.
 
 Currently only supports Photoshop CS5 Windows x86_64.
 
-## Installation
-```bash
+
+
+
+
+## <a name="pkg-installation">Installation</a>
+```sh
 $ go get -u github.com/sbrow/ps
 ```
+<!---
+
+#### <a name="pkg-examples">Examples</a>
+* [JSLayer](example_JSLayer_test.go)
+
+--->
+
+
+
+## <a name="pkg-note-TODO">TODO</a>
+
+`sbrow:` (2) Make TextLayer a subclass of ArtLayer.
+
+`sbrow:` Reduce cylcomatic complexity
+
+`sbrow:` Does funky things when passed invalid layername.
+
+`sbrow:` Move to Document
+
+`sbrow:` get rid of the semicolon.
+
+## <a name="pkg-doc">Documentation</a>
+For full Documentation please visit https://godoc.org/github.com/sbrow/ps
+- - -
+
+
+Generated by [godoc2md](http://godoc.org/github.com/davecheney/godoc2md)

artlayer.go

@@ -11,7 +11,7 @@ import (
 
 // ArtLayer reflects some values from an Art Layer in a Photoshop document.
 //
-// TODO: (2) Make TextLayer a subclass of ArtLayer.
+// TODO(sbrow): (2) Make TextLayer a subclass of ArtLayer.
 type ArtLayer struct {
 	name      string    // The layer's name.
 	bounds    [2][2]int // The corners of the layer's bounding box.
@@ -200,9 +200,9 @@ func (a *ArtLayer) Path() string {
 }
 
 // SetVisible makes the layer visible.
-func (a *ArtLayer) SetVisible(b bool) {
+func (a *ArtLayer) SetVisible(b bool) error {
 	if a.visible == b {
-		return
+		return nil
 	}
 	a.visible = b
 	switch b {
@@ -214,8 +214,10 @@ func (a *ArtLayer) SetVisible(b bool) {
 	js := fmt.Sprintf("%s.visible=%v;",
 		strings.TrimRight(JSLayer(a.Path()), ";"), b)
 	if byt, err := DoJS("compilejs.jsx", js); err != nil {
-		log.Println(string(byt), err)
+		log.Println(string(byt))
+		return err
 	}
+	return nil
 }
 
 // Visible returns whether or not the layer is currently hidden.

document.go

@@ -71,6 +71,23 @@ func (d *Document) Height() int {
 	return d.height
 }
 
+// ArtLayer returns the first top level ArtLayer matching
+// the given name.
+func (d *Document) ArtLayer(name string) *ArtLayer {
+	for _, lyr := range d.artLayers {
+		if lyr.name == name {
+			if Mode == 0 && !lyr.current {
+				err := lyr.Refresh()
+				if err != nil {
+					log.Panic(err)
+				}
+			}
+			return lyr
+		}
+	}
+	return nil
+}
+
 // ArtLayers returns this document's ArtLayers, if any.
 func (d *Document) ArtLayers() []*ArtLayer {
 	return d.artLayers
@@ -99,7 +116,7 @@ func (d *Document) LayerSet(name string) *LayerSet {
 
 // ActiveDocument returns document currently focused in Photoshop.
 //
-// TODO: Reduce cylcomatic complexity
+// TODO(sbrow): Reduce cylcomatic complexity
 func ActiveDocument() (*Document, error) {
 	log.Println("Loading ActiveDoucment")
 	d := &Document{}
@@ -111,26 +128,32 @@ func ActiveDocument() (*Document, error) {
 	d.name = strings.TrimRight(string(byt), "\r\n")
 	if Mode != Safe {
 		err = d.Restore()
-		return d, err
+		switch {
+		case os.IsNotExist(err):
+			log.Println("Previous version not found.")
+		case err == nil:
+			return d, err
+		default:
+			return nil, err
+
+		}
 	}
 	log.Println("Loading manually (This could take awhile)")
 	byt, err = DoJS("getActiveDoc.jsx")
 	if err != nil {
-		log.Panic(err)
+		return nil, err
 	}
-	err = json.Unmarshal(byt, &d)
-	if err != nil {
+	if err = json.Unmarshal(byt, &d); err != nil {
 		d.Dump()
-		log.Panic(err)
+		return nil, err
 	}
 	for _, lyr := range d.artLayers {
 		lyr.SetParent(d)
 	}
 	for i, set := range d.layerSets {
 		var s *LayerSet
-		s, err = NewLayerSet(set.Path()+"/", d)
-		if err != nil {
-			log.Fatal(err)
+		if s, err = NewLayerSet(set.Path()+"/", d); err != nil {
+			return nil, err
 		}
 		d.layerSets[i] = s
 		s.SetParent(d)
@@ -190,3 +213,20 @@ func (d *Document) Dump() {
 		log.Println(err)
 	}
 }
+
+// MustExist returns a Layer from the set with the given name, and
+// panics if it doesn't exist.
+//
+// If there is a LayerSet and an  ArtLayer with the same name,
+// it will return the LayerSet.
+func (d *Document) MustExist(name string) Layer {
+	set := d.LayerSet(name)
+	if set == nil {
+		lyr := d.ArtLayer(name)
+		if lyr == nil {
+			log.Panicf("no Layer found at \"%s%s\"", d.Path(), name)
+		}
+		return lyr
+	}
+	return set
+}

interfaces.go

@@ -0,0 +1,31 @@
+package ps
+
+// Group represents a Document or LayerSet.
+type Group interface {
+	Name() string
+	Parent() Group
+	SetParent(Group)
+	Path() string
+	ArtLayer(name string) *ArtLayer
+	LayerSet(name string) *LayerSet
+	ArtLayers() []*ArtLayer
+	LayerSets() []*LayerSet
+	MustExist(name string) Layer
+	MarshalJSON() ([]byte, error)
+	UnmarshalJSON(b []byte) error
+}
+
+// Layer represents an ArtLayer or LayerSet Object.
+type Layer interface {
+	Bounds() [2][2]int
+	MarshalJSON() ([]byte, error)
+	Name() string
+	Parent() Group
+	Path() string
+	Refresh() error
+	SetParent(g Group)
+	SetPos(x, y int, bound string)
+	SetVisible(b bool) error
+	UnmarshalJSON(b []byte) error
+	Visible() bool
+}

layerset.go

@@ -2,24 +2,11 @@ package ps
 
 import (
 	"encoding/json"
-	"errors"
 	"fmt"
 	"log"
 	"strings"
 )
 
-// Group represents a Document or LayerSet.
-type Group interface {
-	Name() string
-	Parent() Group
-	SetParent(Group)
-	Path() string
-	ArtLayers() []*ArtLayer
-	LayerSets() []*LayerSet
-	MarshalJSON() ([]byte, error)
-	UnmarshalJSON(b []byte) error
-}
-
 // LayerSet holds a group of Layer objects and a group of LayerSet objects.
 type LayerSet struct {
 	name      string
@@ -95,7 +82,6 @@ func (l *LayerSet) ArtLayers() []*ArtLayer {
 
 // ArtLayer returns the first top level ArtLayer matching
 // the given name.
-// TODO: Does funky things when passed invalid layername.
 func (l *LayerSet) ArtLayer(name string) *ArtLayer {
 	for _, lyr := range l.artLayers {
 		if lyr.name == name {
@@ -113,12 +99,7 @@ func (l *LayerSet) ArtLayer(name string) *ArtLayer {
 			return lyr
 		}
 	}
-	lyr := l.ArtLayer(name)
-	fmt.Println(lyr)
-	if lyr == nil {
-		log.Panic(errors.New("layer not found"))
-	}
-	return lyr
+	return nil
 }
 
 // LayerSets returns the LayerSets contained within
@@ -138,6 +119,23 @@ func (l *LayerSet) LayerSet(name string) *LayerSet {
 	return nil
 }
 
+// MustExist returns a Layer from the set with the given name, and
+// panics if it doesn't exist.
+//
+// If there is a LayerSet and an  ArtLayer with the same name,
+// it will return the LayerSet.
+func (l *LayerSet) MustExist(name string) Layer {
+	set := l.LayerSet(name)
+	if set == nil {
+		lyr := l.ArtLayer(name)
+		if lyr == nil {
+			log.Panicf("no Layer found at \"%s%s\"", l.Path(), name)
+		}
+		return lyr
+	}
+	return set
+}
+
 // Bounds returns the furthest corners of the LayerSet.
 func (l LayerSet) Bounds() [2][2]int {
 	return l.bounds
@@ -165,7 +163,6 @@ func (l *LayerSet) Path() string {
 func NewLayerSet(path string, g Group) (*LayerSet, error) {
 	path = strings.Replace(path, "//", "/", -1)
 	byt, err := DoJS("getLayerSet.jsx", JSLayer(path), JSLayerMerge(path))
-	fmt.Println(JSLayer(path), JSLayerMerge(path))
 	if err != nil {
 		return nil, err
 	}
@@ -300,3 +297,10 @@ func (l *LayerSet) Refresh() error {
 	l.current = true
 	return nil
 }
+
+func (l *LayerSet) Set(ll *LayerSet) {
+	if ll == nil {
+		panic("AHHHHHH")
+	}
+	l = ll
+}

ps.go

@@ -1,8 +1,10 @@
-//go:generate godocdown -output=README.md
+//go:generate sh -c "godoc2md -template ./.doc.template github.com/sbrow/ps > README.md"
 
 // Package ps is a rudimentary API between Adobe Photoshop CS5 and Golang.
 // The interaction between the two is implemented using Javascript/VBScript.
 //
+// Use it to control Photoshop, edit documents, and perform batch operations.
+//
 // Currently only supports Photoshop CS5 Windows x86_64.
 package ps
 
@@ -38,7 +40,7 @@ func ApplyDataset(name string) error {
 }
 
 // Close closes the active document in Photoshop, using the given save option.
-// TODO: Move to Document
+// TODO(sbrow): Move to Document
 func Close(save SaveOption) error {
 	_, err := runner.Run("close", fmt.Sprint(save))
 	return err
@@ -104,7 +106,7 @@ func Init() error {
 // The output always ends with a semicolon, so if you want to access a specific
 // property of the layer, you'll have to trim the output before concatenating.
 //
-// TODO: get rid of the semicolon.
+// TODO(sbrow): get rid of the semicolon.
 func JSLayer(path string) string {
 	pth := strings.Split(path, "/")
 	js := "app.activeDocument"
@@ -138,7 +140,7 @@ func Open(path string) error {
 	return err
 }
 
-// Quit exits Photoshop, closing all open docuemnts using the given save option.
+// Quit exits Photoshop, closing all open documents using the given save option.
 func Quit(save SaveOption) error {
 	_, err := runner.Run("quit", fmt.Sprint(save))
 	return err