51 lines
		
	
	
	
		
			993 B
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			51 lines
		
	
	
	
		
			993 B
		
	
	
	
		
			Go
		
	
	
	
	
	
| package context
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| 
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| import (
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| 	"encoding/json"
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| 	"github.com/polydawn/meep"
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| 	"io/ioutil"
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| 	"path"
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| )
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| 
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| type ResourceSet struct {
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| 	Name   string                 `json:"name"`
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| 	Values map[string]interface{} `json:"values"`
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| }
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| 
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| type Context struct {
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| 	Name         string                 `json:"context"`
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| 	Global       map[string]interface{} `json:"global"`
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| 	ResourceSets []ResourceSet          `json:"include"`
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| 	BaseDir      string
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| }
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| 
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| type ContextLoadingError struct {
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| 	meep.AllTraits
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| 	Filename string
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| }
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| 
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| // Attempt to load and deserialise a Context from the specified file.
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| func LoadContextFromFile(filename string) (*Context, error) {
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| 	file, err := ioutil.ReadFile(filename)
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| 
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| 	if err != nil {
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| 		return nil, meep.New(
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| 			&ContextLoadingError{Filename: filename},
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| 			meep.Cause(err),
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| 		)
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| 	}
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| 
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| 	var c Context
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| 
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| 	err = json.Unmarshal(file, &c)
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| 	if err != nil {
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| 		return nil, meep.New(
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| 			&ContextLoadingError{Filename: filename},
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| 			meep.Cause(err),
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| 		)
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| 	}
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| 
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| 	c.BaseDir = path.Dir(filename)
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| 
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| 	return &c, nil
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| }
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