tableofcontents

package
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Published: Oct 23, 2023 License: Apache-2.0 Imports: 4 Imported by: 0

Documentation

Index

Constants

This section is empty.

Variables

View Source
var DefaultConfig = Config{
	StartLevel: 2,
	EndLevel:   3,
	Ordered:    false,
}

DefaultConfig is the default ToC configuration.

View Source
var Empty = &Fragments{
	Headings:    Headings{},
	HeadingsMap: map[string]*Heading{},
}

Empty is an empty ToC.

Functions

This section is empty.

Types

type Builder

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

Builder is used to build the ToC data structure.

func (*Builder) AddAt

func (b *Builder) AddAt(h *Heading, row, level int)

AddAt adds the heading to the ToC.

func (Builder) Build

func (b Builder) Build() *Fragments

Build returns the ToC.

type Config

type Config struct {
	// Heading start level to include in the table of contents, starting
	// at h1 (inclusive).
	// <docsmeta>{ "identifiers": ["h1"] }</docsmeta>
	StartLevel int

	// Heading end level, inclusive, to include in the table of contents.
	// Default is 3, a value of -1 will include everything.
	EndLevel int

	// Whether to produce a ordered list or not.
	Ordered bool
}

type Fragments

type Fragments struct {
	// Headings holds the top level headings.
	Headings Headings

	// Identifiers holds all the identifiers in the ToC as a sorted slice.
	// Note that collections.SortedStringSlice has both a Contains and Count method
	// that can be used to identify missing and duplicate IDs.
	Identifiers collections.SortedStringSlice

	// HeadingsMap holds all the headings in the ToC as a map.
	// Note that with duplicate IDs, the last one will win.
	HeadingsMap map[string]*Heading
}

Fragments holds the table of contents for a page.

func (*Fragments) ToHTML

func (toc *Fragments) ToHTML(startLevel, stopLevel int, ordered bool) template.HTML

ToHTML renders the ToC as HTML.

type Heading

type Heading struct {
	ID    string
	Title string

	Headings Headings
}

Heading holds the data about a heading and its children.

func (Heading) IsZero

func (h Heading) IsZero() bool

IsZero is true when no ID or Text is set.

type Headings

type Headings []*Heading

Headings holds the top level headings.

func (Headings) FilterBy

func (h Headings) FilterBy(fn func(*Heading) bool) Headings

FilterBy returns a new Headings slice with all headings that matches the given predicate. For internal use only.

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