dictionary

Documentation

Overview

Chinese-English dictionary database search functions

Package for looking up words and multiword expressions.

Index

• func LoadDict(ctx context.Context, database *sql.DB, appConfig config.AppConfig) (map[string]dicttypes.Word, error)
• func ValidateDict(wdict map[string]dicttypes.Word, validator Validator) error
• type Results
• type Searcher
  • func NewSearcher(ctx context.Context, database *sql.DB) *Searcher
  • func (searcher *Searcher) FindWordsByEnglish(ctx context.Context, query string) ([]dicttypes.WordSense, error)
  • func (s *Searcher) Initialized() bool
  • func (searcher *Searcher) LookupSubstr(ctx context.Context, query, topic_en, subtopic_en string) (*Results, error)
• type Validator
  • func NewValidator(posReader io.Reader, domainReader io.Reader) (Validator, error)

Functions

func LoadDict

func LoadDict(ctx context.Context, database *sql.DB,
	appConfig config.AppConfig) (map[string]dicttypes.Word, error)

LoadDict loads all words from the database

func ValidateDict

func ValidateDict(wdict map[string]dicttypes.Word, validator Validator) error

ValidateDict check the Chinese-English for errors

Types

type Results

type Results struct {
	Words []dicttypes.Word
}

Encapsulates term lookup recults

type Searcher

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

Searcher looks up Chinese words by either Chinese or English.

If the dictionary searcher cannot connect to the database then it will run in degraded mode by looking up Chinese words form dictionary file.

func NewSearcher

func NewSearcher(ctx context.Context, database *sql.DB) *Searcher

NewSearcher initialize SQL statements

func (*Searcher) FindWordsByEnglish

func (searcher *Searcher) FindWordsByEnglish(ctx context.Context,
	query string) ([]dicttypes.WordSense, error)

FindWordsByEnglish returns the word senses with English approximate or Pinyin exact match

func (*Searcher) Initialized

func (s *Searcher) Initialized() bool

Initialized returns true if there were no error in initialization.

func (*Searcher) LookupSubstr

func (searcher *Searcher) LookupSubstr(ctx context.Context,
	query, topic_en, subtopic_en string) (*Results, error)

Lookup a term based on a substring and a topic

type Validator

type Validator interface {
	Validate(pos, domain string) error
}

Performs validation of dictionary entries. Use NewValidator to create a Validator.

func NewValidator

func NewValidator(posReader io.Reader, domainReader io.Reader) (Validator, error)

Crates a Validator with the given readers Params:

posReader Reader to load the valid parts of speech from
domainReader Reader to load the valid subject domains

Returns:

An initialized Validator