acroform

type AcroForm struct {
	Fields          []*Field
	NeedAppearances bool
	SignatureFields []int // Object numbers of signature fields
	XFA             bool  // True if XFA is present (hybrid form)
}

type Action struct {
	Type        ActionType
	URI         string // For URI actions
	JavaScript  string // For JavaScript actions
	Destination string // For GoTo actions (e.g., "1 0 R" or page number)
	PageNum     int    // For GoTo actions (page number)
}

type ActionType string

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

type Field struct {
	ObjectNum  int
	Generation int
	FT         string                 // Field type: Tx (text), Btn (button), Ch (choice), Sig (signature)
	Parent     *Field                 // Parent field (for fields in a hierarchy)
	Kids       []*Field               // Child fields
	T          string                 // Field name (partial name)
	TU         string                 // Alternate field name
	TM         string                 // Mapping name
	Ff         int                    // Field flags
	V          interface{}            // Field value
	DV         interface{}            // Default value
	AA         map[string]interface{} // Additional actions
	DA         string                 // Default appearance string
	Q          int                    // Quadding (justification)
	MaxLen     int                    // Maximum length (for text fields)
	Opt        []interface{}          // Options (for choice fields)
	TI         int                    // Top index (for choice fields)
	I          []int                  // Selected indices (for choice fields)
	Rect       []float64              // Field rectangle [llx lly urx ury]
	Page       int                    // Page number (0-indexed)
}

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

type FieldDef struct {
	Name         string
	Type         string // Tx, Btn, Ch, Sig
	Value        interface{}
	DefaultValue interface{}
	Rect         []float64 // [llx lly urx ury]
	Page         int
	Flags        int
	Options      []string // For choice fields
	MaxLen       int      // For text fields
	Required     bool
	ReadOnly     bool
}

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

type StreamObjectUpdate struct {
	ObjNum     int
	Index      int
	NewContent []byte
}

type ValidationError struct {
	FieldName string
	Message   string
	Value     interface{}
}