diff

type DiffLine struct {
	// Op is the type of operation (context, add, delete).
	Op LineOp

	// Content is the line content without the prefix (+/-/space).
	Content string

	// OldLineNum is the line number in the original file.
	// Zero if this is an added line.
	OldLineNum int

	// NewLineNum is the line number in the new file.
	// Zero if this is a deleted line.
	NewLineNum int
}

type FileDiff struct {
	// OldName is the path of the original file (with a/ prefix stripped).
	OldName string

	// NewName is the path of the new file (with b/ prefix stripped).
	NewName string

	// Hunks contains all hunks in this file diff.
	Hunks []*Hunk

	// IsBinary is true if this is a binary file.
	IsBinary bool

	// IsNew is true if this is a new file.
	IsNew bool

	// IsDeleted is true if this file is being deleted.
	IsDeleted bool

	// IsRenamed is true if this file was renamed.
	IsRenamed bool
}

type FileSelection struct {
	Path   string
	Ranges []LineRange
}

type Hunk struct {
	// OldStart is the starting line in the original file.
	OldStart int

	// OldLines is the number of lines from the original file.
	OldLines int

	// NewStart is the starting line in the new file.
	NewStart int

	// NewLines is the number of lines in the new file.
	NewLines int

	// Section is the optional section header (e.g., function name).
	Section string

	// Lines contains all lines in this hunk.
	Lines []DiffLine
}

type LineOp int

type LineRange struct {
	Start int // Inclusive.
	End   int // Inclusive.
}

type LineWithContext struct {
	// GlobalIndex is the index of this line across all files.
	GlobalIndex int

	// File is the file containing this line.
	File *FileDiff

	// HunkIndex is the index of the hunk within the file.
	HunkIndex int

	// LineIndex is the index of the line within the hunk.
	LineIndex int

	// Line is the actual diff line.
	Line DiffLine
}

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

type SelectionMap map[string]*FileSelection