importers

Documentation

Index

• func Shebang2Slashes(p []byte)
• func ShebangReadFile(path string) ([]byte, error)
• type FileImporter
  • func (m *FileImporter) Fork(moduleName string) charlang.ExtImporter
  • func (m *FileImporter) Get(name string) charlang.ExtImporter
  • func (m *FileImporter) Import(moduleName string) (interface{}, error)
  • func (m *FileImporter) Name() string

Functions

func Shebang2Slashes

func Shebang2Slashes(p []byte)

Shebang2Slashes replaces first two bytes of given p with two slashes if they are Shebang chars.

func ShebangReadFile

func ShebangReadFile(path string) ([]byte, error)

ShebangReadFile reads given path and returns the content of the file. If file starts with Shebang #! , it is replaced with //. This function can be used as ReadFile callback in FileImporter.

Types

type FileImporter

type FileImporter struct {
	WorkDir    string
	FileReader func(string) ([]byte, error)
	// contains filtered or unexported fields
}

FileImporter is an implemention of charlang.ExtImporter to import files from file system. It uses absolute paths of module as import names.

func (*FileImporter) Fork

func (m *FileImporter) Fork(moduleName string) charlang.ExtImporter

Fork returns a new instance of FileImporter as charlang.ExtImporter by capturing the working directory of the module. moduleName should be the same value provided by Name call.

func (*FileImporter) Get

func (m *FileImporter) Get(name string) charlang.ExtImporter

Get impelements charlang.ExtImporter and returns itself if name is not empty.

func (*FileImporter) Import

func (m *FileImporter) Import(moduleName string) (interface{}, error)

Import returns the content of the path determined by Name call. Empty name will return an error.

func (*FileImporter) Name

func (m *FileImporter) Name() string

Name returns the absoule path of the module. A previous Get call is required to get the name of the imported module.