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|
package watch
import (
"path/filepath"
"regexp"
"sync"
)
type PackageHashes struct {
PackageHashes map[string]*PackageHash
usedPaths map[string]bool
watchRegExp *regexp.Regexp
lock *sync.Mutex
}
func NewPackageHashes(watchRegExp *regexp.Regexp) *PackageHashes {
return &PackageHashes{
PackageHashes: map[string]*PackageHash{},
usedPaths: nil,
watchRegExp: watchRegExp,
lock: &sync.Mutex{},
}
}
func (p *PackageHashes) CheckForChanges() []string {
p.lock.Lock()
defer p.lock.Unlock()
modified := []string{}
for _, packageHash := range p.PackageHashes {
if packageHash.CheckForChanges() {
modified = append(modified, packageHash.path)
}
}
return modified
}
func (p *PackageHashes) Add(path string) *PackageHash {
p.lock.Lock()
defer p.lock.Unlock()
path, _ = filepath.Abs(path)
_, ok := p.PackageHashes[path]
if !ok {
p.PackageHashes[path] = NewPackageHash(path, p.watchRegExp)
}
if p.usedPaths != nil {
p.usedPaths[path] = true
}
return p.PackageHashes[path]
}
func (p *PackageHashes) Get(path string) *PackageHash {
p.lock.Lock()
defer p.lock.Unlock()
path, _ = filepath.Abs(path)
if p.usedPaths != nil {
p.usedPaths[path] = true
}
return p.PackageHashes[path]
}
func (p *PackageHashes) StartTrackingUsage() {
p.lock.Lock()
defer p.lock.Unlock()
p.usedPaths = map[string]bool{}
}
func (p *PackageHashes) StopTrackingUsageAndPrune() {
p.lock.Lock()
defer p.lock.Unlock()
for path := range p.PackageHashes {
if !p.usedPaths[path] {
delete(p.PackageHashes, path)
}
}
p.usedPaths = nil
}
|
