f128c947ab
* Refactor plugin to be compatible with Drone 0.5 * Add vendor files * Re-add logo.svg, make loading environment from .env file optional, and use drone-go/template * Fix README * Fix issue with date formatting, update the DOCS, and improve types * Add working directory and volume mount to README example
96 lines
2 KiB
Go
96 lines
2 KiB
Go
package raymond
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import "reflect"
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// DataFrame represents a private data frame.
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//
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// Cf. private variables documentation at: http://handlebarsjs.com/block_helpers.html
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type DataFrame struct {
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parent *DataFrame
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data map[string]interface{}
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}
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// NewDataFrame instanciates a new private data frame.
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func NewDataFrame() *DataFrame {
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return &DataFrame{
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data: make(map[string]interface{}),
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}
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}
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// Copy instanciates a new private data frame with receiver as parent.
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func (p *DataFrame) Copy() *DataFrame {
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result := NewDataFrame()
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for k, v := range p.data {
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result.data[k] = v
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}
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result.parent = p
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return result
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}
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// newIterDataFrame instanciates a new private data frame with receiver as parent and with iteration data set (@index, @key, @first, @last)
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func (p *DataFrame) newIterDataFrame(length int, i int, key interface{}) *DataFrame {
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result := p.Copy()
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result.Set("index", i)
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result.Set("key", key)
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result.Set("first", i == 0)
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result.Set("last", i == length-1)
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return result
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}
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// Set sets a data value.
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func (p *DataFrame) Set(key string, val interface{}) {
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p.data[key] = val
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}
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// Get gets a data value.
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func (p *DataFrame) Get(key string) interface{} {
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return p.find([]string{key})
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}
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// find gets a deep data value
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//
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// @todo This is NOT consistent with the way we resolve data in template (cf. `evalDataPathExpression()`) ! FIX THAT !
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func (p *DataFrame) find(parts []string) interface{} {
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data := p.data
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for i, part := range parts {
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val := data[part]
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if val == nil {
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return nil
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}
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if i == len(parts)-1 {
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// found
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return val
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}
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valValue := reflect.ValueOf(val)
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if valValue.Kind() != reflect.Map {
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// not found
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return nil
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}
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// continue
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data = mapStringInterface(valValue)
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}
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// not found
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return nil
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}
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// mapStringInterface converts any `map` to `map[string]interface{}`
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func mapStringInterface(value reflect.Value) map[string]interface{} {
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result := make(map[string]interface{})
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for _, key := range value.MapKeys() {
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result[strValue(key)] = value.MapIndex(key).Interface()
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}
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return result
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}
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