diff

package
v0.0.22 Latest Latest
Warning

This package is not in the latest version of its module.

 Go to latest Published: Apr 24, 2025 License: MIT Imports: 21 Imported by: 0

Documentation

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func ApplyCommit 

func ApplyCommit(commit Commit, writeFn func(string, string) error, removeFn func(string) error) error

func FormatDiff 

func FormatDiff(diffText string, opts ...SideBySideOption) (string, error)

FormatDiff creates a side-by-side formatted view of a diff

func GenerateDiff 

func GenerateDiff(beforeContent, afterContent, fileName string) (string, int, int)

GenerateDiff creates a unified diff from two file contents

func HighlightIntralineChanges 

func HighlightIntralineChanges(h *Hunk, style StyleConfig)

HighlightIntralineChanges updates lines in a hunk to show character-level differences

func IdentifyFilesAdded 

func IdentifyFilesAdded(text string) []string

func IdentifyFilesNeeded 

func IdentifyFilesNeeded(text string) []string

func LoadFiles 

func LoadFiles(paths []string, openFn func(string) (string, error)) (map[string]string, error)

func OpenFile 

func OpenFile(p string) (string, error)

func ProcessPatch 

func ProcessPatch(text string, openFn func(string) (string, error), writeFn func(string, string) error, removeFn func(string) error) (string, error)

func RemoveFile 

func RemoveFile(p string) error

func RenderSideBySideHunk 

func RenderSideBySideHunk(fileName string, h Hunk, opts ...SideBySideOption) string

RenderSideBySideHunk formats a hunk for side-by-side display

func SyntaxHighlight 

func SyntaxHighlight(w io.Writer, source, fileName, formatter string, bg lipgloss.TerminalColor) error

SyntaxHighlight applies syntax highlighting to text based on file extension

func ValidatePatch 

func ValidatePatch(patchText string, files map[string]string) (bool, string, error)

func WriteFile 

func WriteFile(p string, content string) error

Types

type ActionType 

type ActionType string
const (
	ActionAdd    ActionType = "add"
	ActionDelete ActionType = "delete"
	ActionUpdate ActionType = "update"
)

type Chunk 

type Chunk struct {
	OrigIndex int      // line index of the first line in the original file
	DelLines  []string // lines to delete
	InsLines  []string // lines to insert
}

type Commit 

type Commit struct {
	Changes map[string]FileChange
}

func AssembleChanges 

func AssembleChanges(orig map[string]string, updatedFiles map[string]string) Commit

func PatchToCommit 

func PatchToCommit(patch Patch, orig map[string]string) (Commit, error)

type DiffError 

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

func NewDiffError 

func NewDiffError(message string) DiffError

Helper functions for error handling

func (DiffError) Error 

func (e DiffError) Error() string

type DiffLine 

type DiffLine struct {
	OldLineNo int       // Line number in old file (0 for added lines)
	NewLineNo int       // Line number in new file (0 for removed lines)
	Kind      LineType  // Type of line (added, removed, context)
	Content   string    // Content of the line
	Segments  []Segment // Segments for intraline highlighting
}

DiffLine represents a single line in a diff

type DiffResult 

type DiffResult struct {
	OldFile string
	NewFile string
	Hunks   []Hunk
}

DiffResult contains the parsed result of a diff

func ParseUnifiedDiff 

func ParseUnifiedDiff(diff string) (DiffResult, error)

ParseUnifiedDiff parses a unified diff format string into structured data

type FileChange 

type FileChange struct {
	Type       ActionType
	OldContent *string
	NewContent *string
	MovePath   *string
}

type Hunk 

type Hunk struct {
	Header string
	Lines  []DiffLine
}

Hunk represents a section of changes in a diff

type LineType 

type LineType int

LineType represents the kind of line in a diff. 

const (
	LineContext LineType = iota // Line exists in both files
	LineAdded                   // Line added in the new file
	LineRemoved                 // Line removed from the old file
)

type ParseConfig 

type ParseConfig struct {
	ContextSize int // Number of context lines to include
}

ParseConfig configures the behavior of diff parsing

type ParseOption 

type ParseOption func(*ParseConfig)

ParseOption modifies a ParseConfig

func WithContextSize 

func WithContextSize(size int) ParseOption

WithContextSize sets the number of context lines to include

type Parser 

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

func NewParser 

func NewParser(currentFiles map[string]string, lines []string) *Parser

func (*Parser) Parse 

func (p *Parser) Parse() error

type Patch 

type Patch struct {
	Actions map[string]PatchAction
}

func TextToPatch 

func TextToPatch(text string, orig map[string]string) (Patch, int, error)

type PatchAction 

type PatchAction struct {
	Type     ActionType
	NewFile  *string
	Chunks   []Chunk
	MovePath *string
}

type Segment 

type Segment struct {
	Start int
	End   int
	Type  LineType
	Text  string
}

Segment represents a portion of a line for intra-line highlighting

type SideBySideConfig 

type SideBySideConfig struct {
	TotalWidth int
	Style      StyleConfig
}

SideBySideConfig configures the rendering of side-by-side diffs

func NewSideBySideConfig 

func NewSideBySideConfig(opts ...SideBySideOption) SideBySideConfig

NewSideBySideConfig creates a SideBySideConfig with default values

type SideBySideOption 

type SideBySideOption func(*SideBySideConfig)

SideBySideOption modifies a SideBySideConfig

func WithStyle 

func WithStyle(style StyleConfig) SideBySideOption

WithStyle sets the styling configuration

func WithStyleOptions 

func WithStyleOptions(opts ...StyleOption) SideBySideOption

WithStyleOptions applies the specified style options

func WithTotalWidth 

func WithTotalWidth(width int) SideBySideOption

WithTotalWidth sets the total width for side-by-side view

type StyleConfig 

type StyleConfig struct {
	ShowHeader     bool
	ShowHunkHeader bool
	FileNameFg     lipgloss.Color
	// Background colors
	RemovedLineBg       lipgloss.Color
	AddedLineBg         lipgloss.Color
	ContextLineBg       lipgloss.Color
	HunkLineBg          lipgloss.Color
	RemovedLineNumberBg lipgloss.Color
	AddedLineNamerBg    lipgloss.Color

	// Foreground colors
	HunkLineFg         lipgloss.Color
	RemovedFg          lipgloss.Color
	AddedFg            lipgloss.Color
	LineNumberFg       lipgloss.Color
	RemovedHighlightFg lipgloss.Color
	AddedHighlightFg   lipgloss.Color

	// Highlight settings
	HighlightStyle     string
	RemovedHighlightBg lipgloss.Color
	AddedHighlightBg   lipgloss.Color
}

StyleConfig defines styling for diff rendering

func NewStyleConfig 

func NewStyleConfig(opts ...StyleOption) StyleConfig

NewStyleConfig creates a StyleConfig with default values

type StyleOption 

type StyleOption func(*StyleConfig)

StyleOption is a function that modifies a StyleConfig

func WithAddedFg 

func WithAddedFg(color lipgloss.Color) StyleOption

func WithAddedHighlightColors 

func WithAddedHighlightColors(bg, fg lipgloss.Color) StyleOption

func WithAddedLineBg 

func WithAddedLineBg(color lipgloss.Color) StyleOption

func WithAddedLineNumberBg 

func WithAddedLineNumberBg(color lipgloss.Color) StyleOption

func WithContextLineBg 

func WithContextLineBg(color lipgloss.Color) StyleOption

func WithFileNameFg 

func WithFileNameFg(color lipgloss.Color) StyleOption

Style option functions

func WithHighlightStyle 

func WithHighlightStyle(style string) StyleOption

func WithHunkLineBg 

func WithHunkLineBg(color lipgloss.Color) StyleOption

func WithHunkLineFg 

func WithHunkLineFg(color lipgloss.Color) StyleOption

func WithLineNumberFg 

func WithLineNumberFg(color lipgloss.Color) StyleOption

func WithRemovedFg 

func WithRemovedFg(color lipgloss.Color) StyleOption

func WithRemovedHighlightColors 

func WithRemovedHighlightColors(bg, fg lipgloss.Color) StyleOption

func WithRemovedLineBg 

func WithRemovedLineBg(color lipgloss.Color) StyleOption

func WithRemovedLineNumberBg 

func WithRemovedLineNumberBg(color lipgloss.Color) StyleOption

func WithShowHeader 

func WithShowHeader(show bool) StyleOption

func WithShowHunkHeader 

func WithShowHunkHeader(show bool) StyleOption

Source Files

View all Source files

Jump to

Keyboard shortcuts

? : This menu
/ : Search site
f or F : Jump to
y or Y : Canonical URL
go.dev uses cookies from Google to deliver and enhance the quality of its services and to analyze traffic. Learn more.