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*: make Keyword and KeyVal pervasive

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Signed-off-by: Vincent Batts <vbatts@hashbangbash.com>
This commit is contained in:
Vincent Batts 2016-11-17 19:47:31 -05:00
parent 5d26726bb1
commit 4eec68be4b
Signed by: vbatts
GPG key ID: 10937E57733F1362
18 changed files with 434 additions and 367 deletions
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25
walk.go
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@ -15,12 +15,12 @@ import (
// returns true, then the path is not included in the spec.
type ExcludeFunc func(path string, info os.FileInfo) bool
var defaultSetKeywords = []string{"type=file", "nlink=1", "flags=none", "mode=0664"}
var defaultSetKeywords = []KeyVal{"type=file", "nlink=1", "flags=none", "mode=0664"}
// Walk from root directory and assemble the DirectoryHierarchy. excludes
// provided are used to skip paths. keywords are the set to collect from the
// walked paths. The recommended default list is DefaultKeywords.
func Walk(root string, exlcudes []ExcludeFunc, keywords []string) (*DirectoryHierarchy, error) {
func Walk(root string, excludes []ExcludeFunc, keywords []Keyword) (*DirectoryHierarchy, error) {
creator := dhCreator{DH: &DirectoryHierarchy{}}
// insert signature and metadata comments first (user, machine, tree, date)
metadataEntries := signatureEntries(root)
@ -32,7 +32,7 @@ func Walk(root string, exlcudes []ExcludeFunc, keywords []string) (*DirectoryHie
if err != nil {
return err
}
for _, ex := range exlcudes {
for _, ex := range excludes {
if ex(path, info) {
return nil
}
@ -71,7 +71,7 @@ func Walk(root string, exlcudes []ExcludeFunc, keywords []string) (*DirectoryHie
Name: "/set",
Type: SpecialType,
Pos: len(creator.DH.Entries),
Keywords: keywordSelector(defaultSetKeywords, keywords),
Keywords: keyvalSelector(defaultSetKeywords, keywords),
}
for _, keyword := range SetKeywords {
err := func() error {
@ -103,7 +103,7 @@ func Walk(root string, exlcudes []ExcludeFunc, keywords []string) (*DirectoryHie
creator.DH.Entries = append(creator.DH.Entries, e)
} else if creator.curSet != nil {
// check the attributes of the /set keywords and re-set if changed
klist := []string{}
klist := []KeyVal{}
for _, keyword := range SetKeywords {
err := func() error {
var r io.Reader
@ -135,7 +135,7 @@ func Walk(root string, exlcudes []ExcludeFunc, keywords []string) (*DirectoryHie
needNewSet := false
for _, k := range klist {
if !inSlice(k, creator.curSet.Keywords) {
if !inKeyValSlice(k, creator.curSet.Keywords) {
needNewSet = true
}
}
@ -144,7 +144,7 @@ func Walk(root string, exlcudes []ExcludeFunc, keywords []string) (*DirectoryHie
Name: "/set",
Type: SpecialType,
Pos: len(creator.DH.Entries),
Keywords: keywordSelector(append(defaultSetKeywords, klist...), keywords),
Keywords: keyvalSelector(append(defaultSetKeywords, klist...), keywords),
}
creator.curSet = &e
creator.DH.Entries = append(creator.DH.Entries, e)
@ -181,7 +181,7 @@ func Walk(root string, exlcudes []ExcludeFunc, keywords []string) (*DirectoryHie
if err != nil {
return err
}
if str != "" && !inSlice(str, creator.curSet.Keywords) {
if str != "" && !inKeyValSlice(str, creator.curSet.Keywords) {
e.Keywords = append(e.Keywords, str)
}
return nil
@ -209,15 +209,6 @@ func Walk(root string, exlcudes []ExcludeFunc, keywords []string) (*DirectoryHie
return creator.DH, err
}
func inSlice(a string, list []string) bool {
for _, b := range list {
if b == a {
return true
}
}
return false
}
// startWalk walks the file tree rooted at root, calling walkFn for each file or
// directory in the tree, including root. All errors that arise visiting files
// and directories are filtered by walkFn. The files are walked in lexical