static PhpValue PregReplaceInternal(Context ctx, string pattern, string replacement, IPhpCallable callback, PhpValue subject, int limit, ref long count)
{
var regex = new PerlRegex.Regex(pattern);
// callback
PerlRegex.MatchEvaluator evaluator = null;
if (callback != null)
{
evaluator = (match) =>
{
var matches_arr = new PhpArray(0);
GroupsToPhpArray(match.PcreGroups, false, matches_arr);
return(callback
.Invoke(ctx, (PhpValue)matches_arr)
.ToStringOrThrow(ctx));
};
}
// TODO: subject as a binary string would be corrupted after Replace - https://github.com/peachpiecompiler/peachpie/issues/178
//
var subject_array = subject.AsArray();
if (subject_array == null)
{
return(PhpValue.Create(
evaluator == null
? regex.Replace(subject.ToStringOrThrow(ctx), replacement, limit, ref count)
: regex.Replace(subject.ToStringOrThrow(ctx), evaluator, limit, ref count)));
}
else
{
var arr = new PhpArray(subject_array.Count);
var enumerator = subject_array.GetFastEnumerator();
while (enumerator.MoveNext())
{
var newvalue = evaluator == null
? regex.Replace(enumerator.CurrentValue.ToStringOrThrow(ctx), replacement, limit, ref count)
: regex.Replace(enumerator.CurrentValue.ToStringOrThrow(ctx), evaluator, limit, ref count);
// TODO: trick on how to quickly update values od enumerated array without hashing:
// enumerator.CurrentValue = PhpValue.Create(newvalue);
arr[enumerator.CurrentKey] = newvalue;
}
return(PhpValue.Create(arr));
}
}
static PhpValue PregReplaceInternal(Context ctx, string pattern, string replacement, IPhpCallable callback, PhpValue subject, int limit, ref long count)
{
var regex = new PerlRegex.Regex(pattern);
// TODO: count
// callback
PerlRegex.MatchEvaluator evaluator = null;
if (callback != null)
{
evaluator = (match) =>
{
var matches_arr = new PhpArray(0);
foreach (PerlRegex.Group g in match.Groups)
{
matches_arr.Add((PhpValue)g.Value);
}
return(callback
.Invoke(ctx, (PhpValue)matches_arr)
.ToStringOrThrow(ctx));
};
}
//
var subject_array = subject.AsArray();
if (subject_array == null)
{
return(PhpValue.Create(
evaluator == null
? regex.Replace(subject.ToStringOrThrow(ctx), replacement, limit)
: regex.Replace(subject.ToStringOrThrow(ctx), evaluator, limit)));
}
else
{
var arr = new PhpArray(subject_array, false);
var enumerator = arr.GetFastEnumerator();
while (enumerator.MoveNext())
{
var newvalue = evaluator == null
? regex.Replace(enumerator.CurrentValue.ToStringOrThrow(ctx), replacement, limit)
: regex.Replace(enumerator.CurrentValue.ToStringOrThrow(ctx), evaluator, limit);
enumerator.CurrentValue = PhpValue.Create(newvalue);
}
return(PhpValue.Create(arr));
}
}
