Why Go
- Case Studies
  
  Common problems companies solve with Go
- Use Cases
  
  Stories about how and why companies use Go
- Security
  
  How Go can help keep you secure by default
Learn
Docs
- Effective Go
  
  Tips for writing clear, performant, and idiomatic Go code
- Go User Manual
  
  A complete introduction to building software with Go
- Standard library
  
  Reference documentation for Go's standard library
- Release Notes
  
  Learn what's new in each Go release
- API
  
  Reference documentation for the pkg.go.dev API
Packages
Community
- Recorded Talks
  
  Videos from prior events
- Meetups
  
  Meet other local Go developers
- Conferences
  
  Learn and network with Go developers from around the world
- Go blog
  
  The Go project's official blog.
- Go project
  
  Get help and stay informed from Go
- Get connected

document

package

Go to main page

Versions in this module

v0

v0.12.0

Aug 2, 2026

v0.11.0

Jul 22, 2026

Changes in this version

+ var ErrInputTooLarge = errors.New("document input too large")

+ var ErrInvalidUTF8 = errors.New("document input is not valid UTF-8")

type Document

+ func FromReader(id string, reader io.Reader, opts ...ReaderOption) (Document, error)

+ type ReaderOption func(*readerConfig)

+ func WithFilename(filename string) ReaderOption

+ func WithFormat(format Format) ReaderOption

+ func WithMaxBytes(maxBytes int64) ReaderOption

+ func WithMetadata(metadata map[string]string) ReaderOption

v0.10.0

Jul 21, 2026

v0.9.0

Jul 21, 2026

v0.8.0

Jul 18, 2026

v0.7.0

Jul 12, 2026

retracted

Changes in this version

+ func ByteOffsetForRune(text string, runeIndex int) (int, bool)

+ func NormalizeText(text string) string

+ func RuneOffsetForByte(text string, byteOffset int) (int, bool)

+ type Document struct

+ Format Format

+ ID string

+ Metadata Metadata

+ Sections []Section

+ Text string

+ Title string

+ type Element struct

+ ID string

+ Kind ElementKind

+ Metadata Metadata

+ Span Span

+ Strategy ParserStrategy

+ Text string

+ func (e Element) ElementText(source string) string

+ type ElementKind string

+ const ElementKindCode

+ const ElementKindListItem

+ const ElementKindNarrative

+ const ElementKindPageBreak

+ const ElementKindTable

+ const ElementKindTitle

+ const ElementKindUnknown

+ type Format string

+ const FormatHTML

+ const FormatMarkdown

+ const FormatPDF

+ const FormatText

+ type Metadata map[string]string

+ type ParserStrategy string

+ const ParserStrategyHTML

+ const ParserStrategyMarkdown

+ const ParserStrategyPDF

+ const ParserStrategyPlainText

+ const ParserStrategyUnknown

+ type Section struct

+ ID string

+ Span Span

+ Title string

+ type Span struct

+ EndByte int

+ StartByte int

+ func (s Span) Text(text string) (string, bool)

+ func (s Span) Valid(text string) bool