diff options
Diffstat (limited to 'android/util.go')
-rw-r--r-- | android/util.go | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/android/util.go b/android/util.go index f9dce6fe..b17422df 100644 --- a/android/util.go +++ b/android/util.go @@ -243,3 +243,36 @@ func matchPattern(pat, str string) bool { } return strings.HasPrefix(str, pat[:i]) && strings.HasSuffix(str, pat[i+1:]) } + +// ShardPaths takes a Paths, and returns a slice of Paths where each one has at most shardSize paths. +func ShardPaths(paths Paths, shardSize int) []Paths { + if len(paths) == 0 { + return nil + } + ret := make([]Paths, 0, (len(paths)+shardSize-1)/shardSize) + for len(paths) > shardSize { + ret = append(ret, paths[0:shardSize]) + paths = paths[shardSize:] + } + if len(paths) > 0 { + ret = append(ret, paths) + } + return ret +} + +// ShardStrings takes a slice of strings, and returns a slice of slices of strings where each one has at most shardSize +// elements. +func ShardStrings(s []string, shardSize int) [][]string { + if len(s) == 0 { + return nil + } + ret := make([][]string, 0, (len(s)+shardSize-1)/shardSize) + for len(s) > shardSize { + ret = append(ret, s[0:shardSize]) + s = s[shardSize:] + } + if len(s) > 0 { + ret = append(ret, s) + } + return ret +} |