Brace expansion: Difference between revisions
→{{header|Haskell}}
Line 1,897:
ok rosetta_code/Brace_expansion 3.347s
</pre>
=={{header|Groovy}}==
{{trans|Java}}
<lang groovy>class BraceExpansion {
static void main(String[] args) {
for (String s : [
"It{{em,alic}iz,erat}e{d,}, please.",
"~/{Downloads,Pictures}/*.{jpg,gif,png}",
"{,{,gotta have{ ,\\, again\\, }}more }cowbell!",
"{}} some }{,{\\\\{ edge, edge} \\,}{ cases, {here} \\\\\\\\\\}"
]) {
println()
expand(s)
}
}
static void expand(String s) {
expandR("", s, "")
}
private static void expandR(String pre, String s, String suf) {
int i1 = -1, i2 = 0
String noEscape = s.replaceAll("([\\\\]{2}|[\\\\][,}{])", " ")
StringBuilder sb = null
outer:
while ((i1 = noEscape.indexOf('{', i1 + 1)) != -1) {
i2 = i1 + 1
sb = new StringBuilder(s)
for (int depth = 1; i2 < s.length() && depth > 0; i2++) {
char c = noEscape.charAt(i2)
depth = (c == ('{' as char)) ? ++depth : depth
depth = (c == ('}' as char)) ? --depth : depth
if (c == (',' as char) && depth == 1) {
sb.setCharAt(i2, '\u0000' as char)
} else if (c == ('}' as char) && depth == 0 && sb.indexOf("\u0000") != -1) {
break outer
}
}
}
if (i1 == -1) {
if (suf.length() > 0) {
expandR(pre + s, suf, "")
} else {
printf("%s%s%s%n", pre, s, suf)
}
} else {
for (String m : sb.substring(i1 + 1, i2).split("\u0000", -1)) {
expandR(pre + s.substring(0, i1), m, s.substring(i2 + 1) + suf)
}
}
}
}</lang>
{{out}}
<pre>Itemized, please.
Itemize, please.
Italicized, please.
Italicize, please.
Iterated, please.
Iterate, please.
~/Downloads/*.jpg
~/Downloads/*.gif
~/Downloads/*.png
~/Pictures/*.jpg
~/Pictures/*.gif
~/Pictures/*.png
cowbell!
more cowbell!
gotta have more cowbell!
gotta have\, again\, more cowbell!
{}} some }{,{\\ edge \,}{ cases, {here} \\\\\}
{}} some }{,{\\ edge \,}{ cases, {here} \\\\\}</pre>
=={{header|Haskell}}==
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