maps

package
Version: v0.88.1 Latest Latest
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Published: Sep 4, 2021 License: Apache-2.0 Imports: 10 Imported by: 51

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Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func GetNestedParam added in v0.56.0

func GetNestedParam(keyStr, separator string, candidates ...Params) (interface{}, error)

GetNestedParam gets the first match of the keyStr in the candidates given. It will first try the exact match and then try to find it as a nested map value, using the given separator, e.g. "mymap.name". It assumes that all the maps given have lower cased keys.

func GetNestedParamFn added in v0.56.0

func GetNestedParamFn(keyStr, separator string, lookupFn func(key string) interface{}) (interface{}, string, map[string]interface{}, error)

func GetString added in v0.57.0

func GetString(m map[string]interface{}, key string) string

GetString tries to get a value with key from map m and convert it to a string. It will return an empty string if not found or if it cannot be convertd to a string.

func PrepareParams added in v0.84.0

func PrepareParams(m Params)

PrepareParams * makes all the keys in the given map lower cased and will do so * This will modify the map given. * Any nested map[interface{}]interface{}, map[string]interface{},map[string]string will be converted to Params. * Any _merge value will be converted to proper type and value.

func ToSliceStringMap added in v0.77.0

func ToSliceStringMap(in interface{}) ([]map[string]interface{}, error)

ToSliceStringMap converts in to []map[string]interface{}.

func ToStringMap added in v0.60.0

func ToStringMap(in interface{}) map[string]interface{}

ToStringMap converts in to map[string]interface{}.

func ToStringMapBool added in v0.84.0

func ToStringMapBool(in interface{}) map[string]bool

ToStringMapBool converts in to bool.

func ToStringMapE added in v0.60.0

func ToStringMapE(in interface{}) (map[string]interface{}, error)

ToStringMapE converts in to map[string]interface{}.

func ToStringMapString added in v0.84.0

func ToStringMapString(in interface{}) map[string]string

ToStringMapString converts in to map[string]string.

func ToStringMapStringE added in v0.84.0

func ToStringMapStringE(in interface{}) (map[string]string, error)

ToStringMapStringE converts in to map[string]string.

Types

type KeyRenamer added in v0.54.0

type KeyRenamer struct {
	// contains filtered or unexported fields
}

KeyRenamer supports renaming of keys in a map.

func NewKeyRenamer added in v0.54.0

func NewKeyRenamer(patternKeys ...string) (KeyRenamer, error)

NewKeyRenamer creates a new KeyRenamer given a list of pattern and new key value pairs.

func (KeyRenamer) Rename added in v0.54.0

func (r KeyRenamer) Rename(m map[string]interface{})

Rename renames the keys in the given map according to the patterns in the current KeyRenamer.

type Params added in v0.60.0

type Params map[string]interface{}

Params is a map where all keys are lower case.

func MustToParamsAndPrepare added in v0.84.1

func MustToParamsAndPrepare(in interface{}) Params

MustToParamsAndPrepare calls ToParamsAndPrepare and panics if it fails.

func ToParamsAndPrepare added in v0.84.0

func ToParamsAndPrepare(in interface{}) (Params, bool)

ToParamsAndPrepare converts in to Params and prepares it for use. If in is nil, an empty map is returned. See PrepareParams.

func (Params) DeleteMergeStrategy added in v0.84.0

func (p Params) DeleteMergeStrategy() bool

func (Params) Get added in v0.60.0

func (p Params) Get(indices ...string) interface{}

Get does a lower case and nested search in this map. It will return nil if none found.

func (Params) GetMergeStrategy added in v0.84.0

func (p Params) GetMergeStrategy() (ParamsMergeStrategy, bool)

func (Params) IsZero added in v0.84.2

func (p Params) IsZero() bool

IsZero returns true if p is considered empty.

func (Params) Merge added in v0.84.0

func (p Params) Merge(pp Params)

Merge transfers values from pp to p for new keys. This is done recursively.

func (Params) MergeRoot added in v0.88.0

func (p Params) MergeRoot(pp Params)

MergeRoot transfers values from pp to p for new keys where p is the root of the tree. This is done recursively.

func (Params) Set added in v0.84.0

func (p Params) Set(pp Params)

Set overwrites values in p with values in pp for common or new keys. This is done recursively.

func (Params) SetDefaultMergeStrategy added in v0.84.0

func (p Params) SetDefaultMergeStrategy(s ParamsMergeStrategy)

type ParamsMergeStrategy added in v0.84.0

type ParamsMergeStrategy string

ParamsMergeStrategy tells what strategy to use in Params.Merge.

const (
	// Do not merge.
	ParamsMergeStrategyNone ParamsMergeStrategy = "none"
	// Only add new keys.
	ParamsMergeStrategyShallow ParamsMergeStrategy = "shallow"
	// Add new keys, merge existing.
	ParamsMergeStrategyDeep ParamsMergeStrategy = "deep"
)

type Scratch added in v0.45.1

type Scratch struct {
	// contains filtered or unexported fields
}

Scratch is a writable context used for stateful operations in Page/Node rendering.

func NewScratch added in v0.45.1

func NewScratch() *Scratch

NewScratch returns a new instance of Scratch.

func (*Scratch) Add added in v0.45.1

func (c *Scratch) Add(key string, newAddend interface{}) (string, error)

Add will, for single values, add (using the + operator) the addend to the existing addend (if found). Supports numeric values and strings.

If the first add for a key is an array or slice, then the next value(s) will be appended.

func (*Scratch) Delete added in v0.45.1

func (c *Scratch) Delete(key string) string

Delete deletes the given key.

func (*Scratch) DeleteInMap added in v0.84.0

func (c *Scratch) DeleteInMap(key string, mapKey string) string

DeleteInMap deletes a value to a map with the given key in the Node context.

func (*Scratch) Get added in v0.45.1

func (c *Scratch) Get(key string) interface{}

Get returns a value previously set by Add or Set.

func (*Scratch) GetSortedMapValues added in v0.45.1

func (c *Scratch) GetSortedMapValues(key string) interface{}

GetSortedMapValues returns a sorted map previously filled with SetInMap.

func (*Scratch) Set added in v0.45.1

func (c *Scratch) Set(key string, value interface{}) string

Set stores a value with the given key in the Node context. This value can later be retrieved with Get.

func (*Scratch) SetInMap added in v0.45.1

func (c *Scratch) SetInMap(key string, mapKey string, value interface{}) string

SetInMap stores a value to a map with the given key in the Node context. This map can later be retrieved with GetSortedMapValues.

func (*Scratch) Values added in v0.72.0

func (c *Scratch) Values() map[string]interface{}

Values returns the raw backing map. Note that you should just use this method on the locally scoped Scratch instances you obtain via newScratch, not .Page.Scratch etc., as that will lead to concurrency issues.

type Scratcher added in v0.55.0

type Scratcher interface {
	Scratch() *Scratch
}

Scratcher provides a scratching service.

func NewScratcher added in v0.55.0

func NewScratcher() Scratcher

NewScratcher creates a new Scratcher.

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