sourceutil

package
v1.20220411.3 Latest Latest
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 Go to latest Published: Apr 11, 2022 License: MIT Imports: 13 Imported by: 0

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Index

Constants

View Source 
const (
	DefaultFilePerms = 0644
	DefaultDirPerms  = 0755
)

Defaults

Variables

This section is empty.

Functions

func Copy 

func Copy(ctx context.Context, destination, source string) error

Copy copies a file from a source to a destination.

func CopyAll 

func CopyAll(destination, source string, opts ...CopyAllOption) error

CopyAll copies all files and directories from a source path to a destination path recurrsively.

func FindAllFiles 

func FindAllFiles(ctx context.Context, startPath, matchGlob string) (output []string, err error)

FindAllFiles finds all the files that match a given glob recursively.

func FindFiles 

func FindFiles(ctx context.Context, targetPath string, matchGlob string) (output []string, err error)

FindFiles finds all files in a given path that matches a given glob but does not traverse recursively.

func MatchInject 

func MatchInject(corpus []byte, expr, inject string) []byte

MatchInject injects a given value after the any instances of a given expression.

func MatchRemove 

func MatchRemove(corpus []byte, expr string) []byte

MatchRemove removes a line if it matches a given expression.

func RemoveFile 

func RemoveFile(ctx context.Context, path string) error

RemoveFile removes a file and prints a debug message if the context sets that flag.

func RemoveQuotes 

func RemoveQuotes(value string) string

RemoveQuotes removes quotes from a string

Types

type CopyAllOption 

type CopyAllOption func(*CopyAllOptions)

CopyAllOption is a mutator for copy all options

func OptCopyAllSkipGlobs 

func OptCopyAllSkipGlobs(globs ...string) CopyAllOption

OptCopyAllSkipGlobs sets the skip provider to a glob matcher based on a given set of glob(s).

func OptCopyAllSymlinkMode 

func OptCopyAllSymlinkMode(mode CopyAllSymlinkMode) CopyAllOption

OptCopyAllSymlinkMode sets the symlink mode.

type CopyAllOptions 

type CopyAllOptions struct {
	SymlinkMode  CopyAllSymlinkMode
	SkipProvider func(os.FileInfo) bool
}

CopyAllOptions are the options for copy all.

type CopyAllSymlinkMode 

type CopyAllSymlinkMode int

CopyAllSymlinkMode is how symlinks should be handled 

var (
	// CopyAllSymlinkModeShallow will copy links from the source to the destination as links.
	CopyAllSymlinkModeShallow CopyAllSymlinkMode = 0
	// CopyAllSymlinkModeDeep will traverse into the link destination and copy any files recursively.
	CopyAllSymlinkModeDeep CopyAllSymlinkMode = 1
	// CopyAllSymlinkModeSkip will skip any links discovered.
	CopyAllSymlinkModeSkip CopyAllSymlinkMode = 2
)

CopyAllSymlinkMode(s)

type CopyRewriter 

type CopyRewriter struct {
	Source              string
	Destination         string
	SkipGlobs           []string
	GoImportVisitors    []GoImportVisitor
	GoAstVistiors       []GoAstVisitor
	StringSubstitutions []StringSubstitution
	DryRun              bool
	RemoveDestination   bool
	KeepTemporary       bool

	Quiet   *bool
	Verbose *bool
	Debug   *bool

	Stdout io.Writer
	Stderr io.Writer
}

CopyRewriter copies a source to a destination, and applies rewrite rules to the file(s) it copies.

func (CopyRewriter) DebugOrDefault 

func (cr CopyRewriter) DebugOrDefault() bool

DebugOrDefault returns a value or a default.

func (CopyRewriter) Debugf 

func (cr CopyRewriter) Debugf(format string, args ...interface{})

Debugf writes to stdout if the `Debug` flag is true.

func (CopyRewriter) Execute 

func (cr CopyRewriter) Execute(ctx context.Context) error

Execute is the command body.

func (CopyRewriter) GetStderr 

func (cr CopyRewriter) GetStderr() io.Writer

GetStderr returns standard error.

func (CopyRewriter) GetStdout 

func (cr CopyRewriter) GetStdout() io.Writer

GetStdout returns standard out.

func (CopyRewriter) QuietOrDefault 

func (cr CopyRewriter) QuietOrDefault() bool

QuietOrDefault returns a value or a default.

func (CopyRewriter) VerboseOrDefault 

func (cr CopyRewriter) VerboseOrDefault() bool

VerboseOrDefault returns a value or a default.

func (CopyRewriter) Verbosef 

func (cr CopyRewriter) Verbosef(format string, args ...interface{})

Verbosef writes to stdout if the `Verbose` flag is true.

type FileInfo 

type FileInfo struct {
	os.FileInfo
	FullPath string
}

FileInfo extends os.FileInfo with the full path.

func LS 

func LS(root string) (output []FileInfo, err error)

LS returns a list of files for a given path.

type GoAstFilter 

type GoAstFilter func(context.Context, ast.Node) (visit, recurse bool)

GoAstFilter is a delegate type that filters ast nodes for visiting.

type GoAstNodeVisitor 

type GoAstNodeVisitor func(context.Context, ast.Node)

GoAstNodeVisitor mutates a given node.

type GoAstRewriteOption 

type GoAstRewriteOption func(*GoAstRewriteOptions)

GoAstRewriteOption the ast rewrite options.

func GoIsCall 

func GoIsCall(fn string) GoAstRewriteOption

GoIsCall returns a filter that determines if a function is a given name.

It will only evaluate for function calls that appear local to the current package, that is, function calls that do not have a selector.

func GoIsPackageCall 

func GoIsPackageCall(pkg, fn string) GoAstRewriteOption

GoIsPackageCall returns a filter that determines if a function is a given sel.Fn.

It will only evaluate for function calls that use a package selector that is, function calls that have a selector.

func GoRewriteCall 

func GoRewriteCall(fn string) GoAstRewriteOption

GoRewriteCall changes a given function as filtered by a filter to a given call noted by Fn.

func GoRewritePackageCall 

func GoRewritePackageCall(sel, fn string) GoAstRewriteOption

GoRewritePackageCall changes a given function as filtered by a filter to a given call noted by sel.Fn.

type GoAstRewriteOptions 

type GoAstRewriteOptions struct {
	Filter      GoAstFilter
	NodeVisitor GoAstNodeVisitor
}

GoAstRewriteOptions breaks the mutator out into field specific mutators.

func (GoAstRewriteOptions) Apply 

func (opts GoAstRewriteOptions) Apply(ctx context.Context, node ast.Node) bool

Apply applies the options to the ast node.

type GoAstVisitor 

type GoAstVisitor func(context.Context, ast.Node) bool

GoAstVisitor mutates an ast node.

func GoAstRewrite 

func GoAstRewrite(opts ...GoAstRewriteOption) GoAstVisitor

GoAstRewrite returns a go ast visitor with a given set of options.

type GoImportRewriteOption 

type GoImportRewriteOption func(*GoImportRewriteOptions)

GoImportRewriteOption mutates the import rewrite options

func OptGoImportAddName 

func OptGoImportAddName(name string) GoImportRewriteOption

OptGoImportAddName adds a name if one is not already specified.

func OptGoImportNameMatches 

func OptGoImportNameMatches(expr string) GoImportRewriteOption

OptGoImportNameMatches returns a rewrite filter that returns if an import name matches a given expression.

func OptGoImportPathMatches 

func OptGoImportPathMatches(expr string) GoImportRewriteOption

OptGoImportPathMatches returns a rewrite filter that returns if an import path matches a given expression.

func OptGoImportPathRewrite 

func OptGoImportPathRewrite(matchExpr, outputExpr string) GoImportRewriteOption

OptGoImportPathRewrite returns a path filter and rewrite expression.

func OptGoImportSetAlias 

func OptGoImportSetAlias(name string) GoImportRewriteOption

OptGoImportSetAlias sets the import alias to a given value.

Setting to "" will remove the alias.

func OptGoImportSetPath 

func OptGoImportSetPath(path string) GoImportRewriteOption

OptGoImportSetPath sets an import path to a given value.

type GoImportRewriteOptions 

type GoImportRewriteOptions struct {
	Filter         func(context.Context, *ast.ImportSpec) (bool, error)
	CommentVisitor func(context.Context, *ast.CommentGroup) error
	DocVisitor     func(context.Context, *ast.CommentGroup) error
	NameVisitor    func(context.Context, *ast.Ident) error
	PathVisitor    func(context.Context, *ast.BasicLit) error
}

GoImportRewriteOptions breaks the mutator out into field specific mutators.

func (GoImportRewriteOptions) Apply 

func (opts GoImportRewriteOptions) Apply(ctx context.Context, importSpec *ast.ImportSpec) error

Apply applies the options to the import.

type GoImportVisitor 

type GoImportVisitor func(context.Context, *ast.ImportSpec) error

GoImportVisitor mutates an ast import.

func GoImportRewrite 

func GoImportRewrite(opts ...GoImportRewriteOption) GoImportVisitor

GoImportRewrite visits and optionally mutates imports for go files.

func GoImportRewritePrefix 

func GoImportRewritePrefix(sourcePrefix, destinationPrefix string) GoImportVisitor

GoImportRewritePrefix is a helper that returns a visitor that takes a source path and rewrites it as the destination path preserving any path segments after the source if it matches the sourcePrefix.

func ParseGoImportRewriteRules 

func ParseGoImportRewriteRules(rewriteRules []string) (output []GoImportVisitor)

ParseGoImportRewriteRules parses go import rewrite rules as strings.

type StringSubstitution 

type StringSubstitution func(context.Context, string) (string, bool)

StringSubstitution is a mutator for a string. It returns the modified string, and a bool if the rule matched or not.

func SubstituteString 

func SubstituteString(before, after string) StringSubstitution

SubstituteString rewrites a string literal.

type TempDir 

type TempDir struct {
	Path string
}

TempDir is a directory that can be cleaned up with Close.

func CreateTempDir 

func CreateTempDir(prefix string) (*TempDir, error)

CreateTempDir creates a temporary directory with a given prefix.

func (TempDir) Close 

func (td TempDir) Close() error

Close removes the directory.

Source Files

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