profanity

package
v1.20210908.5 Latest Latest
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 Go to latest Published: Sep 8, 2021 License: MIT Imports: 17 Imported by: 0

Documentation

Overview

Package profanity is the rules engine that powers the command `profanity` found in `github.com/blend/go-sdk/cmd/profanity`.

Index

Constants

View Source 
const (
	DefaultRoot      = "."
	DefaultRulesFile = ".profanity.yml"
)

Defaults

View Source 
const (
	Star = "*"
	Root = "."

	GoFiles     = "*.go"
	GoTestFiles = "*_test.go"
)

Glob constants

View Source 
const (
	ErrRuleSpecMultipleRules ex.Class = "rule spec invalid; multiple rule types specified"
	ErrRuleSpecRuleMissing   ex.Class = "rule spec invalid; at least one rule type is required"
)

Errors

View Source 
const (
	ErrContentsRequired ex.Class = "contents rule spec must provide `contains`, `glob` or `regex` values"
)

Errors

View Source 
const (
	ErrFailure ex.Class = "profanity failure"
)

Errors

Variables

This section is empty.

Functions

func Glob 

func Glob(subj, pattern string) bool

Glob returns if a given pattern matches a given subject.

func GlobAnyMatch 

func GlobAnyMatch(filters []string, file string) bool

GlobAnyMatch tests if a file matches a (potentially) csv of glob filters.

func ListDir 

func ListDir(path string) (dirs []os.FileInfo, files []os.FileInfo, err error)

ListDir reads the directory named by dirname and returns a sorted list of directory entries.

Types

type Config 

type Config struct {
	Root      string     `yaml:"root"`
	ExitFirst *bool      `yaml:"failFast"`
	RulesFile string     `yaml:"rulesFile"`
	Rules     GlobFilter `yaml:"rules"`
	Files     GlobFilter `yaml:"files"`
	Dirs      GlobFilter `yaml:"dirs"`
	Verbose   *bool      `yaml:"verbose"`
	Debug     *bool      `yaml:"debug"`
}

Config is the profanity rules parsing config.

func (Config) DebugOrDefault 

func (c Config) DebugOrDefault() bool

DebugOrDefault returns a value or a default.

func (Config) ExitFirstOrDefault added in v1.20210116.3 

func (c Config) ExitFirstOrDefault() bool

ExitFirstOrDefault returns a value or a default.

func (Config) RootOrDefault added in v1.20210116.3 

func (c Config) RootOrDefault() string

RootOrDefault returns the starting path or a default.

func (Config) RulesFileOrDefault 

func (c Config) RulesFileOrDefault() string

RulesFileOrDefault returns the rules file or a default.

func (Config) VerboseOrDefault 

func (c Config) VerboseOrDefault() bool

VerboseOrDefault returns a value or a default.

type ContainsFilter 

type ContainsFilter struct {
	Filter `yaml:",inline"`
}

ContainsFilter is the contains filter.

func (ContainsFilter) Allow 

func (c ContainsFilter) Allow(value string) bool

Allow returns if apply returns a result.

func (ContainsFilter) Match 

func (c ContainsFilter) Match(value string) (includeMatch, excludeMatch string)

Match applies the filter.

type Contents 

type Contents struct {
	// Contains is a filter set that uses `strings.Contains` as the predicate.
	Contains *ContainsFilter `yaml:"contains,omitempty"`
	// Glob is a filter set that uses `Glob` as the predicate.
	Glob *GlobFilter `yaml:"glob,omitempty"`
	// Regex is a filter set that uses `regexp.MustMatch` as the predicate
	Regex *RegexFilter `yaml:"regex,omitempty"`
}

Contents creates a new contents rule. It failes if any of the expressions match.

func (Contents) Check 

func (cm Contents) Check(filename string, contents []byte) (result RuleResult)

Check implements Rule.

func (Contents) String 

func (cm Contents) String() string

String implements fmt.Stringer.

func (Contents) Validate 

func (cm Contents) Validate() error

Validate returns validators.

type Filter 

type Filter struct {
	// Include sets a glob filter for file inclusion by name.
	Include []string `yaml:"include,omitempty"`
	// ExcludeGlob sets a glob filter for file exclusion by name.
	Exclude []string `yaml:"exclude,omitempty"`
}

Filter is the base rule helper.

func (Filter) Allow 

func (f Filter) Allow(value string, filter func(string, string) bool) bool

Allow returns if the filters include or exclude a given value.

func (Filter) AllowMatch 

func (f Filter) AllowMatch(includeMatch, excludeMatch string) bool

AllowMatch returns if the filter should allow a given match set.

func (Filter) IsZero 

func (f Filter) IsZero() bool

IsZero returns if the filter is set or not.

func (Filter) Match 

func (f Filter) Match(value string, filter func(string, string) bool) (includeMatch, excludeMatch string)

Match returns the matching glob filter for a given value.

func (Filter) String 

func (f Filter) String() string

String implements fmt.Stringer.

func (Filter) Validate 

func (f Filter) Validate() error

Validate doesn't do anything right now for Filter.

type GlobFilter 

type GlobFilter struct {
	Filter `yaml:",inline"`
}

GlobFilter rules for if we should include or exclude file or directory by name.

func (GlobFilter) Allow 

func (gf GlobFilter) Allow(value string) bool

Allow returns if the filters include or exclude a given value.

func (GlobFilter) Match 

func (gf GlobFilter) Match(value string) (includeMatch, excludeMatch string)

Match returns the matching glob filter for a given value.

type GoCall 

type GoCall struct {
	Package string `yaml:"package"`
	Func    string `yaml:"func"`
}

GoCall is a package and function name pair.

`Package` is the package selector, typically the last path segment of the import (ex. "github.com/foo/bar" would be "bar")

`Func` is the function name.

If package is empty string, it is assumed that the function is local to the calling package or a builtin.

func (GoCall) String 

func (gc GoCall) String() string

String implements fmt.Stringer

type GoCalls 

type GoCalls []GoCall

GoCalls returns a profanity error if a given function is called in a package.

func (GoCalls) Check 

func (gc GoCalls) Check(filename string, contents []byte) RuleResult

Check implements Rule.

func (GoCalls) String 

func (gc GoCalls) String() string

Strings implements fmt.Stringer.

func (GoCalls) Validate 

func (gc GoCalls) Validate() error

Validate implements validation for the rule.

type GoImports 

type GoImports struct {
	GlobFilter `yaml:",inline"`
}

GoImports returns a profanity error if a given file contains any of a list of imports based on a glob match.

func (GoImports) Check 

func (gi GoImports) Check(filename string, contents []byte) RuleResult

Check implements Rule.

func (GoImports) String 

func (gi GoImports) String() string

String implements fmt.Stringer.

type Logger 

type Logger interface {
	Printf(string, ...interface{})
	Errorf(string, ...interface{})
}

Logger are the methods required on the logger.

type Option added in v1.20210116.3 

type Option func(*Profanity)

Option is a function that modifies a config.

func OptConfig 

func OptConfig(cfg Config) Option

OptConfig sets the config in its entirety.

func OptDebug 

func OptDebug(debug bool) Option

OptDebug sets if we should show debug output.

func OptExcludeDirs added in v1.20210116.3 

func OptExcludeDirs(excludeGlobs ...string) Option

OptExcludeDirs sets the exclude glob filter for directories.

func OptExcludeFiles added in v1.20210116.3 

func OptExcludeFiles(excludeGlobs ...string) Option

OptExcludeFiles sets the exclude glob filter for files.

func OptExitFirst added in v1.20210116.3 

func OptExitFirst(exitFirst bool) Option

OptExitFirst sets if we should stop after the first failure.

func OptIncludeDirs added in v1.20210116.3 

func OptIncludeDirs(includeGlobs ...string) Option

OptIncludeDirs sets the include glob filter for files.

func OptIncludeFiles added in v1.20210116.3 

func OptIncludeFiles(includeGlobs ...string) Option

OptIncludeFiles sets the include glob filter for files.

func OptRoot added in v1.20210116.3 

func OptRoot(root string) Option

OptRoot sets the root directory to start the profanity check.

func OptRulesFile 

func OptRulesFile(rulesFile string) Option

OptRulesFile sets the rules file to check for in each directory.

func OptVerbose 

func OptVerbose(verbose bool) Option

OptVerbose sets if we should show verbose output.

type Profanity 

type Profanity struct {
	Config Config
	Stdout io.Writer
	Stderr io.Writer
}

Profanity parses rules from the filesystem and applies them to a given root path. Creating a full rules set.

func New 

func New(options ...Option) *Profanity

New creates a new profanity engine with a given set of config options.

func (*Profanity) Debugf 

func (p *Profanity) Debugf(format string, args ...interface{})

Debugf prints a debug message.

func (*Profanity) Errorf 

func (p *Profanity) Errorf(format string, args ...interface{})

Errorf writes to the error output stream.

func (Profanity) FormatRuleResultFailure 

func (p Profanity) FormatRuleResultFailure(r RuleSpec, rr RuleResult) error

FormatRuleResultFailure formats a rule result with the rule that produced it.

func (*Profanity) Printf 

func (p *Profanity) Printf(format string, args ...interface{})

Printf writes to the output stream.

func (*Profanity) Process 

func (p *Profanity) Process() error

Process processes the profanity rules.

func (*Profanity) ReadRuleSpecsFile 

func (p *Profanity) ReadRuleSpecsFile(filename string) (rules []RuleSpec, err error)

ReadRuleSpecsFile reads rules from a file path.

It is expected to be passed the fully qualified path for the rules file.

func (*Profanity) ReadRuleSpecsFromReader 

func (p *Profanity) ReadRuleSpecsFromReader(filename string, reader io.Reader) (rules []RuleSpec, err error)

ReadRuleSpecsFromReader reads rules from a reader.

func (*Profanity) Verbosef 

func (p *Profanity) Verbosef(format string, args ...interface{})

Verbosef prints a verbose message.

func (*Profanity) Walk 

func (p *Profanity) Walk(path string, rules ...RuleSpec) error

Walk walks a given path, inheriting a set of rules.

type RegexFilter 

type RegexFilter struct {
	Filter `yaml:",inline"`
	// contains filtered or unexported fields
}

RegexFilter represents rules around matching (or excluding) based on regular expressions.

func (*RegexFilter) Allow 

func (rf *RegexFilter) Allow(value string) (result bool)

Allow returns if the filters include or exclude a given filename.

func (*RegexFilter) Match 

func (rf *RegexFilter) Match(value string) (includeMatch, excludeMatch string)

Match returns the matching glob filter for a given value.

func (*RegexFilter) MustMatch 

func (rf *RegexFilter) MustMatch(value, expr string) bool

MustMatch regexp but panics

type Rule 

type Rule interface {
	Check(file string, contents []byte) RuleResult
}

Rule is a criteria for profanity.

type RuleResult 

type RuleResult struct {
	OK      bool
	File    string
	Line    int
	Message string
	Err     error
}

RuleResult is a result from a rule.

type RuleSpec 

type RuleSpec struct {
	// ID is a unique identifier for the rule.
	ID string `yaml:"id"`
	// SourceFile is the rules file path the rule came from.
	SourceFile string `yaml:"-"`
	// Description is a descriptive message for the rule.
	Description string `yaml:"description,omitempty"`
	// Files is the glob filter for inclusion and exclusion'
	// for this specific rule spec.
	Files GlobFilter `yaml:"files,omitempty"`
	// RuleSpecRules are the rules for the rule spec.
	RuleSpecRules `yaml:",inline"`
}

RuleSpec is a serialized rule.

func (RuleSpec) String 

func (r RuleSpec) String() string

String returns a string representation of the rule.

func (RuleSpec) Validate 

func (r RuleSpec) Validate() error

Validate validates the RuleSpec.

type RuleSpecFile 

type RuleSpecFile map[string]RuleSpec

RuleSpecFile is a map of string rule id to rule item.

It is the format for profanity rule files.

func (RuleSpecFile) Rules 

func (rsf RuleSpecFile) Rules() []RuleSpec

Rules returns the

func (RuleSpecFile) String 

func (rsf RuleSpecFile) String() string

String implements fmt.Stringer.

type RuleSpecRules 

type RuleSpecRules struct {
	// Contains implies we should fail if a file contains a given string.
	Contents *Contents `yaml:"contents,omitempty"`
	// GoImportsContain enforces that a given list of imports are used.
	GoImports *GoImports `yaml:"goImports,omitempty"`
	// GoCalls enforces that a given list of imports are used.
	GoCalls *GoCalls `yaml:"goCalls,omitempty"`
}

RuleSpecRules are the specific rules for a given RuleSpec.

The usage of this should be that only _one_ of these rules should be set for a given rule spec.

func (RuleSpecRules) Check 

func (r RuleSpecRules) Check(filename string, contents []byte) (result RuleResult)

Check applies the rule.

func (RuleSpecRules) Rule 

func (r RuleSpecRules) Rule() Rule

Rule returns the active rule from the spec.

func (RuleSpecRules) Rules 

func (r RuleSpecRules) Rules() (output []Rule)

Rules returns the rules from the spec.

Note: you should add new rule types here and on the type itself.

func (RuleSpecRules) String 

func (r RuleSpecRules) String() string

String implements fmt.Stringer.

func (RuleSpecRules) Validate 

func (r RuleSpecRules) Validate() error

Validate validates the rule spec rules.

Source Files

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