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using System;
using System.Collections.Generic;
using System.Text;
namespace libsecondlife.TestClient {
class Parsing {
public static string[] ParseArguments(string str) {
List<string> list = new List<string>();
string current = "";
string trimmed = null;
bool withinQuote = false;
bool escaped = false;
foreach (char c in str) {
if (c == '"') {
if (escaped) {
current += '"';
escaped = false;
} else {
current += '"';
withinQuote = !withinQuote;
}
} else if (c == ' ' || c == '\t') {
if (escaped || withinQuote) {
current += c;
escaped = false;
} else {
trimmed = current.Trim();
if (trimmed.StartsWith("\"") && trimmed.EndsWith("\"")) {
trimmed = trimmed.Remove(0, 1);
trimmed = trimmed.Remove(trimmed.Length - 1);
trimmed = trimmed.Trim();
}
if (trimmed.Length > 0)
list.Add(trimmed);
current = "";
}
} else if (c == '\\') {
if (escaped) {
current += '\\';
escaped = false;
} else {
escaped = true;
}
} else {
if (escaped)
throw new FormatException(c.ToString() + " is not an escapable character.");
current += c;
}
}
trimmed = current.Trim();
if (trimmed.StartsWith("\"") && trimmed.EndsWith("\"")) {
trimmed = trimmed.Remove(0, 1);
trimmed = trimmed.Remove(trimmed.Length - 1);
trimmed = trimmed.Trim();
}
if (trimmed.Length > 0)
list.Add(trimmed);
return list.ToArray();
}
}
}
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