Documentation
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Index ¶
- func ExtractTag(r io.Reader, tag string) (string, error)
- func GenerateBNF(addr string) (ebnf []byte, err error)
- func GenerateRR(bnf []byte) ([]byte, error)
- func InnerTag(r io.Reader, tag string) (string, error)
- func ReplaceToken(p Productions, f func(Token) Expression)
- func WalkToken(e Expression, f func(Token))
- func XHTMLtoHTML(r io.Reader) (string, error)
- type Comment
- type Expression
- type Grammar
- type Group
- type Literal
- type Productions
- type Repeat
- type Sequence
- type Token
Constants ¶
This section is empty.
Variables ¶
This section is empty.
Functions ¶
func ExtractTag ¶
ExtractTag returns the tag contents of r.
func GenerateBNF ¶
Opens or downloads the .y file at addr and returns at as an EBNF file. Unimplemented branches are removed. Resulting empty nodes and their uses are further removed. Empty nodes are elided.
func GenerateRR ¶
generates the RR XHTML from a EBNF file
func ReplaceToken ¶
func ReplaceToken(p Productions, f func(Token) Expression)
func WalkToken ¶
func WalkToken(e Expression, f func(Token))
Types ¶
type Expression ¶
type Expression interface {
String() string
}
type Grammar ¶
type Grammar map[string]Productions
func (Grammar) ExtractProduction ¶
func (g Grammar) ExtractProduction(name string, descend bool, match, exclude *regexp.Regexp) ([]byte, error)
ExtractProduction extracts the named statement and all its dependencies, in order, into a BNF file. If descend is false, only the named statement is extracted. Inline contains a set of names to include directly where they are used.
type Productions ¶
type Productions []Expression
func Simplify ¶
func Simplify(name string, prods Productions) Productions
func (Productions) Match ¶
func (p Productions) Match(match, exclude *regexp.Regexp) Productions
func (Productions) String ¶
func (p Productions) String() string
type Repeat ¶
type Repeat struct {
Expression
}
type Sequence ¶
type Sequence []Expression
Source Files
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