public void Replace(string input, string expected)
{
var manip = new StringReplacement(5);
var result = manip.Manipulate(input);
Assert.NotNull(result);
Assert.Equal(expected, result);
}
/// <summary>
/// Add a dynamic search + replacement.
///
/// The provided replacement function will be called to generate the replacement value for each
/// occurrence of the search pattern.
///
/// <see cref="StringReplacements"/> contains commonly used replacement functions
/// </summary>
/// <param name="pat">The pattern to search for</param>
/// <param name="replacement">A function to generate the replacement value</param>
/// <returns>this</returns>
public SearchAndReplaceBuilder AddReplacement(IMatchable pat, StringReplacement replacement)
{
ClearMemos();
int result = replacements.Count;
replacements.Add(replacement);
dfaBuilder.AddPattern(pat, result);
return(this);
}
/// <summary>
/// Make a replacement that surrounds matches with a given prefix and suffix, and applies the given replacer
/// to the match itself
/// </summary>
/// <param name="prefix">to put before matches</param>
/// <param name="replacement">for the match itself</param>
/// <param name="suffix">suffix to put after matches</param>
/// <returns>new StringReplacement</returns>
public static StringReplacement Surround(string prefix, StringReplacement replacement, string suffix)
{
return((dest, src, startPos, endPos) =>
{
dest.Append(prefix);
var ret = replacement(dest, src, startPos, endPos);
dest.Append(suffix);
return ret;
});
}
public void StringReplacement_2()
{
const string referenceText = "من به همه گفتم من هستم اما او من نیست";
const string finalText = "مهرداد به همه گفتم مهرداد هستم اما او مهرداد نیست";
var stringRplc = new StringReplacement(referenceText);
stringRplc.Replace("من", "مهرداد");
Assert.AreEqual(finalText, stringRplc.Text);
}
public void StringReplacement_3()
{
const string referenceText = "سلوم به تو ای همیشگی ترین انسان روی زمین";
const string finalText = "سلام به تو ای همیشگی‌ترین انسان روی زمین";
var stringRplc = new StringReplacement(referenceText);
stringRplc.Replace(0, "سلوم".Length, "سلام");
stringRplc.Replace(referenceText.IndexOf("همیشگی ترین"), "همیشگی ترین".Length, "همیشگی‌ترین");
Assert.AreEqual(finalText, stringRplc.Text);
}
public override Verb CreateVerb(string[] tokens)
{
var immediate = tokens[1] == "=:";
Color(position, length, Structures);
var parsers = new List <Parser>
{
new StringParser(),
new InterpolatedStringParser2(),
new AssignToAnsReplacementParser(),
new ValueReplacementParser(),
new PrintReplacementParser(),
new BlockReplacementParser(),
new AtReplacementParser(),
new PushReplacementParser(),
new AssignReplacementParser()
};
var index = position + length;
foreach (var parser in parsers.Where(parser => parser.Scan(source, index)))
{
if (parser is IReplacementParser replacementParser)
{
Replacement = replacementParser.Replacement;
Replacement.Immediate = immediate;
overridePosition = parser.Result.Position;
return(new NullOp());
}
var value = parser.Result.Value;
if (value != null)
{
switch (value.Type)
{
case ValueType.String:
Replacement = new StringReplacement((String)value);
break;
default:
return(null);
}
overridePosition = parser.Result.Position;
return(new NullOp());
}
}
return(null);
}
public void StringReplacement_1()
{
const string referenceText = "سلومی چوی بوی خوشگ آشنیی";
const string finalText = "سلام چوی بویتهای خوش آشنایی";
var stringRplc = new StringReplacement(referenceText);
stringRplc.Replace(0, 5, "سلام");
stringRplc.Replace(referenceText.IndexOf("بوی"), 3, "بویتهای");
stringRplc.Replace(referenceText.IndexOf("خوشگ"), 4, "خوش");
stringRplc.Replace(referenceText.IndexOf("آشنیی"), 5, "آشنایی");
Assert.AreEqual(finalText, stringRplc.Text);
}
public void StringReplacement_4()
{
const string referenceText =
@"<div dir=""rtl"">
<pre><font face=""Tahoma"">سلوم به <strong><em>تو</em></strong> ای <strong>همیشگی ترین</strong> انسان روی زمین
</font></pre>
</div>";
const string finalText =
@"<div dir=""rtl"">
<pre><font face=""Tahoma"">خداحافظ به <strong><em>تو</em></strong> ای <strong>همیشگی‌ترین</strong> فرد روی ماه
</font></pre>
</div>";
var stringRplc = new StringReplacement(referenceText);
stringRplc.Replace(referenceText.IndexOf("سلوم"), "سلوم".Length, "خداحافظ");
stringRplc.Replace(referenceText.IndexOf("همیشگی ترین"), "همیشگی ترین".Length, "همیشگی‌ترین");
stringRplc.Replace(referenceText.IndexOf("انسان"), "انسان".Length, "فرد");
stringRplc.Replace(referenceText.IndexOf("زمین"), "زمین".Length, "ماه");
Assert.AreEqual(finalText, stringRplc.Text);
}