summaryrefslogtreecommitdiffstats
path: root/dependencies/pkg/mod/github.com/jessevdk/go-flags@v1.5.0/closest.go
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 12:36:04 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 12:36:04 +0000
commitb09c6d56832eb1718c07d74abf3bc6ae3fe4e030 (patch)
treed2caec2610d4ea887803ec9e9c3cd77136c448ba /dependencies/pkg/mod/github.com/jessevdk/go-flags@v1.5.0/closest.go
parentInitial commit. (diff)
downloadicingadb-b09c6d56832eb1718c07d74abf3bc6ae3fe4e030.tar.xz
icingadb-b09c6d56832eb1718c07d74abf3bc6ae3fe4e030.zip
Adding upstream version 1.1.0.upstream/1.1.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dependencies/pkg/mod/github.com/jessevdk/go-flags@v1.5.0/closest.go')
-rw-r--r--dependencies/pkg/mod/github.com/jessevdk/go-flags@v1.5.0/closest.go59
1 files changed, 59 insertions, 0 deletions
diff --git a/dependencies/pkg/mod/github.com/jessevdk/go-flags@v1.5.0/closest.go b/dependencies/pkg/mod/github.com/jessevdk/go-flags@v1.5.0/closest.go
new file mode 100644
index 0000000..3b51875
--- /dev/null
+++ b/dependencies/pkg/mod/github.com/jessevdk/go-flags@v1.5.0/closest.go
@@ -0,0 +1,59 @@
+package flags
+
+func levenshtein(s string, t string) int {
+ if len(s) == 0 {
+ return len(t)
+ }
+
+ if len(t) == 0 {
+ return len(s)
+ }
+
+ dists := make([][]int, len(s)+1)
+ for i := range dists {
+ dists[i] = make([]int, len(t)+1)
+ dists[i][0] = i
+ }
+
+ for j := range t {
+ dists[0][j] = j
+ }
+
+ for i, sc := range s {
+ for j, tc := range t {
+ if sc == tc {
+ dists[i+1][j+1] = dists[i][j]
+ } else {
+ dists[i+1][j+1] = dists[i][j] + 1
+ if dists[i+1][j] < dists[i+1][j+1] {
+ dists[i+1][j+1] = dists[i+1][j] + 1
+ }
+ if dists[i][j+1] < dists[i+1][j+1] {
+ dists[i+1][j+1] = dists[i][j+1] + 1
+ }
+ }
+ }
+ }
+
+ return dists[len(s)][len(t)]
+}
+
+func closestChoice(cmd string, choices []string) (string, int) {
+ if len(choices) == 0 {
+ return "", 0
+ }
+
+ mincmd := -1
+ mindist := -1
+
+ for i, c := range choices {
+ l := levenshtein(cmd, c)
+
+ if mincmd < 0 || l < mindist {
+ mindist = l
+ mincmd = i
+ }
+ }
+
+ return choices[mincmd], mindist
+}