jq

package

v1.6.2 Latest Latest Go to latest Published: Nov 22, 2020 License: Apache-2.0 Imports: 3 Imported by: 3

Details

Valid go.mod file
Redistributable license
Tagged version
Stable version
Learn more about best practices

Repository

github.com/flant/libjq-go

Links

Open Source Insights

Documentation ¶

Index ¶

Variables
func CgoCall(f func())
type Jq
- func NewJq() *Jq
type JqCache
- func NewJqCache() *JqCache
type JqProgram

Constants ¶

This section is empty.

Variables ¶

View Source

var JqDefaultCache = func() *JqCache {
	if jqDefaultCacheInstance == nil {
		jqDefaultCacheInstance = NewJqCache()
	}
	return jqDefaultCacheInstance
}

Functions ¶

func CgoCall ¶

func CgoCall(f func())

CgoCall is used to run C code of a jq in a dedicated go-routine locked to OS thread.

Types ¶

type Jq ¶

type Jq struct {
	Cache   *JqCache
	LibPath string
}

High level API for libjq.

Jq has this options: - cache - library path

func NewJq ¶

func NewJq() *Jq

func (*Jq) Program ¶

func (jq *Jq) Program(program string) *JqProgram

func (*Jq) WithCache ¶

func (jq *Jq) WithCache(cache *JqCache) *Jq

func (*Jq) WithLibPath ¶

func (jq *Jq) WithLibPath(path string) *Jq

type JqCache ¶

type JqCache struct {
	StateCache map[string]*libjq.JqState
	// contains filtered or unexported fields
}

func NewJqCache ¶

func NewJqCache() *JqCache

func (*JqCache) Get ¶

func (jc *JqCache) Get(key string) *libjq.JqState

func (*JqCache) Set ¶

func (jc *JqCache) Set(key string, state *libjq.JqState)

func (*JqCache) Teardown ¶

func (jc *JqCache) Teardown(key string)

func (*JqCache) TeardownAll ¶

func (jc *JqCache) TeardownAll()

type JqProgram ¶

type JqProgram struct {
	Jq          *Jq
	Program     string
	CacheLookup bool
}

func (*JqProgram) Cached ¶

func (jqp *JqProgram) Cached() *JqProgram

Cached set cached flag so next call to Run will put compiled program to cache.

func (*JqProgram) Precompile ¶

func (jqp *JqProgram) Precompile() (p *JqProgram, err error)

Precompile can be used to compile a program and store jq state in cache. Method returns error in case of syntax error.

func (*JqProgram) Run ¶

func (jqp *JqProgram) Run(data string) (s string, e error)

Run actually runs a program over passed data. It compiles program if the program is not compiled yet.

func (*JqProgram) RunRaw ¶

func (jqp *JqProgram) RunRaw(data string) (s string, e error)

RunRaw actually runs a program over passed data. It compiles program if the program is not compiled yet. Returns an unquoted string if filter result is a string.

Source Files ¶

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