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deps.go
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deps.go
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package deps
import (
"fmt"
"github.com/wakatime/wakatime-cli/pkg/heartbeat"
"github.com/wakatime/wakatime-cli/pkg/log"
"github.com/wakatime/wakatime-cli/pkg/regex"
)
const (
// maxDependencyLength defines the maximum allowed length of a dependency.
// Any dependency exceeding this length will be discarded.
maxDependencyLength = 200
// maxDependenciesCount defines the maximum number of single items to be sent.
maxDependenciesCount = 1000
)
// Config contains configurations for dependency scanning.
type Config struct {
// FilePatterns will be matched against a file entities name and if matching, will skip
// dependency scanning.
FilePatterns []regex.Regex
}
// DependencyParser is a dependency parser for a programming language.
type DependencyParser interface {
Parse(filepath string) ([]string, error)
}
// WithDetection initializes and returns a heartbeat handle option, which
// can be used in a heartbeat processing pipeline to detect dependencies
// inside the entity file of heartbeats of type FileType. Will prioritize
// local file if available.
func WithDetection(c Config) heartbeat.HandleOption {
return func(next heartbeat.Handle) heartbeat.Handle {
return func(hh []heartbeat.Heartbeat) ([]heartbeat.Result, error) {
log.Debugln("execute dependency detection")
for n, h := range hh {
if h.EntityType != heartbeat.FileType {
continue
}
if h.IsUnsavedEntity {
continue
}
if h.Language == nil {
continue
}
if heartbeat.ShouldSanitize(h.Entity, c.FilePatterns) {
continue
}
filepath := h.Entity
if h.LocalFile != "" {
filepath = h.LocalFile
}
language, ok := heartbeat.ParseLanguage(*h.Language)
if !ok {
log.Debugf("error parsing language of string %q", *h.Language)
}
dependencies, err := Detect(filepath, language)
if err != nil {
log.Debugf("error detecting dependencies: %s", err)
continue
}
hh[n].Dependencies = dependencies
}
return next(hh)
}
}
}
// Detect parses the dependencies from a heartbeat file of a specific language.
func Detect(filepath string, language heartbeat.Language) ([]string, error) {
var parser DependencyParser
switch language {
case heartbeat.LanguageC, heartbeat.LanguageCPP:
parser = &ParserC{}
case heartbeat.LanguageCSharp:
parser = &ParserCSharp{}
case heartbeat.LanguageElm:
parser = &ParserElm{}
case heartbeat.LanguageGo:
parser = &ParserGo{}
case heartbeat.LanguageHaskell:
parser = &ParserHaskell{}
case heartbeat.LanguageHaxe:
parser = &ParserHaxe{}
case heartbeat.LanguageHTML:
parser = &ParserHTML{}
case heartbeat.LanguageJava:
parser = &ParserJava{}
case heartbeat.LanguageJavaScript, heartbeat.LanguageTypeScript, heartbeat.LanguageJSX, heartbeat.LanguageTSX:
parser = &ParserJavaScript{}
case heartbeat.LanguageJSON:
parser = &ParserJSON{}
case heartbeat.LanguageKotlin:
parser = &ParserKotlin{}
case heartbeat.LanguageObjectiveC:
parser = &ParserObjectiveC{}
case heartbeat.LanguagePHP:
parser = &ParserPHP{}
case heartbeat.LanguagePython:
parser = &ParserPython{}
case heartbeat.LanguageRust:
parser = &ParserRust{}
case heartbeat.LanguageScala:
parser = &ParserScala{}
case heartbeat.LanguageSwift:
parser = &ParserSwift{}
case heartbeat.LanguageVBNet:
parser = &ParserVbNet{}
default:
parser = &ParserUnknown{}
}
deps, err := parser.Parse(filepath)
if err != nil {
return nil, fmt.Errorf("failed to parse dependencies: %s", err)
}
return filterDependencies(deps), nil
}
func filterDependencies(deps []string) []string {
var (
results []string
unique = make(map[string]struct{})
)
for _, d := range deps {
// filter max size
if len(results) >= maxDependenciesCount {
log.Debugf("max size of %d dependencies reached", maxDependenciesCount)
break
}
// filter duplicate
if _, ok := unique[d]; ok {
continue
}
// filter dependencies off size
if d == "" || len(d) > maxDependencyLength {
log.Debugf(
"dependency won't be sent because it's either empty or greater than %d characteres: %s",
maxDependencyLength,
d,
)
continue
}
unique[d] = struct{}{}
results = append(results, d)
}
return results
}