aboutsummaryrefslogtreecommitdiff
path: root/nexgb/xgbgen/misc.go
diff options
context:
space:
mode:
Diffstat (limited to 'nexgb/xgbgen/misc.go')
-rw-r--r--nexgb/xgbgen/misc.go44
1 files changed, 44 insertions, 0 deletions
diff --git a/nexgb/xgbgen/misc.go b/nexgb/xgbgen/misc.go
new file mode 100644
index 0000000..9adcf5d
--- /dev/null
+++ b/nexgb/xgbgen/misc.go
@@ -0,0 +1,44 @@
+package main
+
+import (
+ "regexp"
+ "strings"
+)
+
+// AllCaps is a regex to test if a string identifier is made of
+// all upper case letters.
+var AllCaps = regexp.MustCompile("^[A-Z0-9]+$")
+
+// popCount counts number of bits 'set' in mask.
+func popCount(mask uint) uint {
+ m := uint32(mask)
+ n := uint(0)
+ for i := uint32(0); i < 32; i++ {
+ if m&(1<<i) != 0 {
+ n++
+ }
+ }
+ return n
+}
+
+// splitAndTitle takes a string, splits it by underscores, capitalizes the
+// first letter of each chunk, and smushes'em back together.
+func splitAndTitle(s string) string {
+ // If the string is all caps, lower it and capitalize first letter.
+ if AllCaps.MatchString(s) {
+ return strings.Title(strings.ToLower(s))
+ }
+
+ // If the string has no underscores, leave it be.
+ if i := strings.Index(s, "_"); i == -1 {
+ return s
+ }
+
+ // Now split the name at underscores, capitalize the first
+ // letter of each chunk, and smush'em back together.
+ chunks := strings.Split(s, "_")
+ for i, chunk := range chunks {
+ chunks[i] = strings.Title(strings.ToLower(chunk))
+ }
+ return strings.Join(chunks, "")
+}