void tIndexOfChar(String haystack, char needle, int startPos, int expectedResult)
{
haystackAString._()._(haystack);
haystackSubsPlain.Set(haystack);
haystackSubstring.Set("01" + haystack + haystack + "234", 2 + haystack.Length, haystack.Length);
UT_EQ(expectedResult, haystackAString.IndexOf(needle, startPos));
UT_EQ(expectedResult, haystackSubsPlain.IndexOf(needle, startPos));
UT_EQ(expectedResult, haystackSubstring.IndexOf(needle, startPos));
}
public void SubstringIndexOf()
{
var s = new Substring("_Hello", 1, 2);
s.IndexOf('_').Should().BeNegative();
s.IndexOf('H').Should().Be(1);
s.IndexOf('e').Should().Be(2);
s.IndexOf('l').Should().BeNegative();
s.IndexOf('o').Should().BeNegative();
s.IndexOf('m').Should().BeNegative();
}
/** ****************************************************************************************
* Returns the next token, which is afterwards also available through field #Actual.
* If no further token was available, the returned
* \ref cs::aworx::lib::strings::Substring "Substring" will be 'nulled'
* (see \ref cs::aworx::lib::strings::Substring::IsNull "Substring.IsNull").
* To prevent this, the availability of a next token should be
* checked using method #HasNext().
*
* For clarification, see the explanation and sample code in this classes documentation.
*
* @param trimming Determines if the token is trimmed in respect to the white space
* characters defined in field #Whitespaces.
* Defaults to \c Whitespaces.Trim.
* @param newDelim The delimiter separates the tokens. Defaults to 0, which keeps the
* current delimiter intact.
* However, it a new delimiter can be provided for every next token.
* @return true if a next token was available, false if not.
******************************************************************************************/
public Substring Next(Whitespaces trimming = enums.Whitespaces.Trim, char newDelim = '\0')
{
if (Rest.IsNull())
{
Actual.SetNull();
return(Actual);
}
// change of delim?
if (newDelim != '\0')
{
delim = newDelim;
}
// set buf, start and find end
Actual.Buf = Rest.Buf;
Actual.Start = Rest.Start;
int nextDelimiter = Rest.IndexOf(delim);
if (nextDelimiter >= 0)
{
Rest.Start += nextDelimiter + 1;
Actual.End = Rest.Start - 2;
}
else
{
Actual.End = Rest.End;
Rest.SetNull();
}
// trim
if (trimming == enums.Whitespaces.Trim)
{
Actual.TrimStart(Whitespaces);
Actual.TrimEnd(Whitespaces);
}
return(Actual);
}
// #############################################################################################
// logText
// #############################################################################################
/** ********************************************************************************************
*
* The implementation of the abstract method of parent class TextLogger. Logs messages to the
* application console and/or the VStudio output window.
*
* @param domain The <em>Log Domain</em>.
* @param verbosity The verbosity. This has been checked to be active already on this
* stage and is provided to be able to be logged out only.
* @param msg The log message
* @param scope Information about the scope of the <em>Log Statement</em>..
* @param lineNumber The line number of a multi-line message, starting with 0. For
* single line messages this is -1.
**********************************************************************************************/
override protected void logText(Domain domain, Verbosity verbosity,
AString msg,
ScopeInfo scope, int lineNumber)
{
// loop over message, print the parts between the escape sequences
Tokenizer msgParts = new Tokenizer(msg, '\x001B');
Substring actual = msgParts.Actual;
Substring rest = msgParts.Rest;
int column = 0;
for (;;)
{
msgParts.Next(Whitespaces.Keep);
// check if this is an ANSI sequence already
if (rest.CharAtStart() == '[')
{
// read the 'm'
int idx = rest.IndexOf('m');
if (idx < 0) // unknown ANSI Code
{
ALIB.WARNING("Unknown ANSI ESC Code ");
textWriter.Write(actual.Buf, actual.Start, actual.Length());
continue;
}
column += actual.Length();
actual.End = rest.Start + idx;
rest.Start += idx + 1;
textWriter.Write(actual.Buf, actual.Start, actual.Length());
continue;
}
else
{
if (actual.IsNotEmpty())
{
textWriter.Write(actual.Buf, actual.Start, actual.Length());
column += actual.Length();
}
}
// end of loop?
if (!msgParts.HasNext())
{
break;
}
// found an ESC sequence
char c = rest.Consume();
// Colors
bool isForeGround = true;
if (c == 'C' || c == 'c')
{
isForeGround = c == 'c';
c = rest.Consume();
int colNo = c - '0';
ALIB.ASSERT_WARNING(colNo >= 0 && colNo <= 9, "Unknown ESC-c code");
// add bg
colNo += isForeGround ? 0 : 10;
// add light
colNo += (isForeGround ? !IsBackgroundLight : IsBackgroundLight) ? 20 : 0;
textWriter.Write(ansiCols[colNo]);
}
// Styles
else if (c == 's')
{
// bold/italics style not supported in Windows console
// reset all
if (rest.Consume() == 'a')
{
textWriter.Write(ANSI_RESET);
}
}
// auto tab / end of meta
else if (c == 't' || c == 'A')
{
bool endOfMeta = c == 'A';
c = rest.Consume();
int extraSpace = c >= '0' && c <= '9' ? (int)(c - '0')
: (int)(c - 'A') + 10;
int tabStop = AutoSizes.Next(column, extraSpace);
Util.WriteSpaces(textWriter, tabStop - column);
column = tabStop;
if (endOfMeta)
{
String msgPrefix;
switch (verbosity)
{
case lox.Verbosity.Verbose: msgPrefix = MsgPrefixVerbose; break;
case lox.Verbosity.Info: msgPrefix = MsgPrefixInfo; break;
case lox.Verbosity.Warning: msgPrefix = MsgPrefixWarning; break;
case lox.Verbosity.Error: msgPrefix = MsgPrefixError; break;
default: msgPrefix = ""; break;
}
textWriter.Write(msgPrefix);
}
}
// Link (we just colorize links here)
else if (c == 'l')
{
textWriter.Write(rest.Consume() == 'S'
? (IsBackgroundLight ? ANSI_LIGHT_BLUE : ANSI_LIGHT_BLUE)
: ANSI_STD_COL);
}
else
{
ALIB.WARNING("Unknown ESC code");
}
} // write loop
textWriter.WriteLine(MsgSuffix);
}
// #############################################################################################
// Internals
// #############################################################################################
/** ****************************************************************************************
* Internal, recursive helper of #Find.
*
* @param domainPath Path to search.
* @param sensitivity Denotes if domain name search is treated case sensitive or not.
* @param maxCreate The maximum number of sub domains that are created if not
* found at the end of the path.
* @param[out] wasCreated Output parameter that is set \c true if domain was not found
* and hence created.
* @return The domain found or created.
******************************************************************************************/
protected Domain findRecursive(Substring domainPath, Case sensitivity,
int maxCreate, ref bool wasCreated)
{
//--- get act sub-name and rest of path
domainPath.Consume(PathSeparator);
int endSubName = domainPath.IndexOf(PathSeparator);
ALIB.ASSERT_ERROR(endSubName != 0, "Internal Error");
// find end of actual domain name and save rest
Substring restOfDomainPath = tSubstring2;
restOfDomainPath.SetNull();
if (endSubName > 0)
{
domainPath.Split(endSubName, restOfDomainPath, 1);
}
// search sub-domain
Domain subDomain = null;
// "."
if (domainPath.Equals("."))
{
subDomain = this;
}
// ".."
else if (domainPath.Equals(".."))
{
subDomain = Parent != null ? Parent : this;
}
// search in sub-domain
else
{
int i;
bool fixedOnce = false;
for (;;)
{
for (i = 0; i < SubDomains.Count; i++)
{
int comparison = SubDomains[i].Name.CompareTo(domainPath, sensitivity);
if (comparison >= 0)
{
if (comparison == 0)
{
subDomain = SubDomains[i];
}
break;
}
}
// domain found?
if (subDomain != null)
{
break;
}
// try and fix name
if (!fixedOnce)
{
fixedOnce = true;
bool illegalCharacterFound = false;
for (int cp = 0; cp < domainPath.Length(); ++cp)
{
char c = domainPath.CharAt(cp);
if (c < '-' || c > 'z' ||
c == '<' || c == '>' ||
c == '[' || c == ']' ||
c == '=' || c == '?' || c == ';' || c == ':' ||
c == '\\' || c == '\'' || c == '.' || c == ','
)
{
illegalCharacterFound = true;
domainPath.Buf[domainPath.Start + cp] = '#';
}
}
if (illegalCharacterFound)
{
continue;
}
}
// create
if (maxCreate == 0)
{
return(null);
}
wasCreated = true;
SubDomains.Insert(i, subDomain = new Domain(this, new AString(domainPath)));
maxCreate--;
if (maxCreate == 0)
{
return(subDomain);
}
break;
}
}
// recursion?
if (restOfDomainPath.IsNotEmpty())
{
domainPath.Set(restOfDomainPath);
return(subDomain.findRecursive(domainPath, sensitivity, maxCreate, ref wasCreated));
}
// that's it
return(subDomain);
}
public void IndexOf()
{
Substring subs;
// indexOf()
{
subs = new Substring("ABCD");
UT_EQ(-1, subs.IndexOf('X'));
UT_EQ(0, subs.IndexOf('A'));
UT_EQ(1, subs.IndexOf('B'));
UT_EQ(2, subs.IndexOf('C'));
UT_EQ(3, subs.IndexOf('D'));
}
// search characters
subs.Set("abc@" + "abcd abcd" + "abc@de", 4, 9);
{
UT_EQ(-1, subs.IndexOf('@', -5));
UT_EQ(-1, subs.IndexOf('@'));
UT_EQ(-1, subs.IndexOf('@', 5));
UT_EQ(-1, subs.IndexOf('@', 150));
UT_EQ(0, subs.IndexOf('a'));
UT_EQ(1, subs.IndexOf('b'));
UT_EQ(2, subs.IndexOf('c'));
UT_EQ(0, subs.IndexOf('a', 0));
UT_EQ(1, subs.IndexOf('b', 0));
UT_EQ(2, subs.IndexOf('c', 0));
UT_EQ(5, subs.IndexOf('a', 1));
UT_EQ(1, subs.IndexOf('b', 1));
UT_EQ(2, subs.IndexOf('c', 1));
UT_EQ(5, subs.IndexOf('a', 2));
UT_EQ(6, subs.IndexOf('b', 2));
UT_EQ(2, subs.IndexOf('c', 2));
UT_EQ(5, subs.IndexOf('a', 3));
UT_EQ(6, subs.IndexOf('b', 3));
UT_EQ(7, subs.IndexOf('c', 3));
UT_EQ(8, subs.IndexOf('d', 7));
UT_EQ(8, subs.IndexOf('d', 8));
UT_EQ(-1, subs.IndexOf('d', 9));
}
// search null, empty string
subs.Set("abc@" + "abcd abcd" + "abc@de", 4, 9);
{
UT_EQ(0, subs.IndexOf((AString)null));
UT_EQ(5, subs.IndexOf((AString)null, 5));
UT_EQ(-1, subs.IndexOf((AString)null, 50));
UT_EQ(0, subs.IndexOf((AString)null, -5));
UT_EQ(0, subs.IndexOf((String)null));
UT_EQ(5, subs.IndexOf((String)null, 5));
UT_EQ(-1, subs.IndexOf((String)null, 50));
UT_EQ(0, subs.IndexOf((String)null, -5));
UT_EQ(0, subs.IndexOf("", -5));
UT_EQ(0, subs.IndexOf("", 0));
UT_EQ(4, subs.IndexOf("", 4));
UT_EQ(-1, subs.IndexOf("", 100));
}
// search
subs.Set("abc@" + "abcd abcd" + "abc@de", 4, 9);
{
UT_EQ(0, subs.IndexOf("abcd"));
UT_EQ(1, subs.IndexOf("b"));
UT_EQ(4, subs.IndexOf(" abcd"));
UT_EQ(5, subs.IndexOf("abcd", 1));
UT_EQ(0, subs.IndexOf("abcd", -1));
UT_EQ(-1, subs.IndexOf("xyz", -10));
}
// ignore case
String t = "Hallo A-Worx util";
subs.Set("abc@" + t + "abc@de", 4, t.Length);
{
UT_EQ(6, subs.IndexOf("a-worx", 0, Case.Ignore));
UT_EQ(6, subs.IndexOf("a-worx", 1, Case.Ignore));
UT_EQ(6, subs.IndexOf("a-worx", -10, Case.Ignore));
UT_EQ(6, subs.IndexOf("a-worx", 6, Case.Ignore));
UT_EQ(-1, subs.IndexOf("a-worx", 7, Case.Ignore));
UT_EQ(-1, subs.IndexOf("a-worx", 100, Case.Ignore));
UT_EQ(0, subs.IndexOf("hal", 0, Case.Ignore));
UT_EQ(-1, subs.IndexOf("hal", 1, Case.Ignore));
UT_EQ(13, subs.IndexOf("util", 1, Case.Ignore));
UT_EQ(13, subs.IndexOf("UTIL", 5, Case.Ignore));
UT_EQ(13, subs.IndexOf("UTIL", 13, Case.Ignore));
UT_EQ(-1, subs.IndexOf("UTIL", 14, Case.Ignore));
}
// ------------------ search one of several characters ------------------
subs.Set("abc@" + "abcd abcde" + "abc@de", 4, 10);
{
// search one of
int l = subs.Length();
UT_EQ(4, subs.IndexOfAny(CString.DefaultWhitespaces, Inclusion.Include));
UT_EQ(-1, subs.IndexOfAny("x".ToCharArray(), Inclusion.Include));
UT_EQ(-1, subs.IndexOfAny("xy".ToCharArray(), Inclusion.Include));
UT_EQ(-1, subs.IndexOfAny("xyz".ToCharArray(), Inclusion.Include));
UT_EQ(3, subs.IndexOfAny("xyd".ToCharArray(), Inclusion.Include));
UT_EQ(3, subs.IndexOfAny("d".ToCharArray(), Inclusion.Include));
UT_EQ(3, subs.IndexOfAny("xyd".ToCharArray(), Inclusion.Include, -2));
UT_EQ(8, subs.IndexOfAny("xyd".ToCharArray(), Inclusion.Include, 4));
UT_EQ(-1, subs.IndexOfAny("xyd".ToCharArray(), Inclusion.Include, 20));
UT_EQ(-1, subs.LastIndexOfAny("".ToCharArray(), Inclusion.Include));
UT_EQ(-1, subs.LastIndexOfAny("x".ToCharArray(), Inclusion.Include));
UT_EQ(-1, subs.LastIndexOfAny("xy".ToCharArray(), Inclusion.Include));
UT_EQ(-1, subs.LastIndexOfAny("xyz".ToCharArray(), Inclusion.Include));
UT_EQ(8, subs.LastIndexOfAny("xyd".ToCharArray(), Inclusion.Include));
UT_EQ(-1, subs.LastIndexOfAny("xyd".ToCharArray(), Inclusion.Include, -2));
UT_EQ(-1, subs.LastIndexOfAny("xyd".ToCharArray(), Inclusion.Include, 2));
UT_EQ(3, subs.LastIndexOfAny("xyd".ToCharArray(), Inclusion.Include, 4));
UT_EQ(0, subs.LastIndexOfAny("a".ToCharArray(), Inclusion.Include, 4));
UT_EQ(1, subs.LastIndexOfAny("b".ToCharArray(), Inclusion.Include, 4));
UT_EQ(1, subs.LastIndexOfAny("ba".ToCharArray(), Inclusion.Include, 4));
UT_EQ(0, subs.LastIndexOfAny("xa".ToCharArray(), Inclusion.Include, 4));
UT_EQ(8, subs.LastIndexOfAny("xyd".ToCharArray(), Inclusion.Include, 20));
UT_EQ(8, subs.LastIndexOfAny("d".ToCharArray(), Inclusion.Include, 20));
UT_EQ(9, subs.LastIndexOfAny("e".ToCharArray(), Inclusion.Include, 20));
// search NOT one of
UT_EQ(0, subs.IndexOfAny("".ToCharArray(), Inclusion.Exclude));
UT_EQ(0, subs.IndexOfAny("x".ToCharArray(), Inclusion.Exclude));
UT_EQ(0, subs.IndexOfAny("xy".ToCharArray(), Inclusion.Exclude));
UT_EQ(0, subs.IndexOfAny("xyz".ToCharArray(), Inclusion.Exclude));
UT_EQ(1, subs.IndexOfAny("a".ToCharArray(), Inclusion.Exclude));
UT_EQ(2, subs.IndexOfAny("ba".ToCharArray(), Inclusion.Exclude));
UT_EQ(3, subs.IndexOfAny("abc".ToCharArray(), Inclusion.Exclude));
UT_EQ(3, subs.IndexOfAny("acb".ToCharArray(), Inclusion.Exclude));
UT_EQ(3, subs.IndexOfAny("cba".ToCharArray(), Inclusion.Exclude));
UT_EQ(3, subs.IndexOfAny("xcba".ToCharArray(), Inclusion.Exclude));
UT_EQ(l - 1, subs.LastIndexOfAny("".ToCharArray(), Inclusion.Exclude));
UT_EQ(l - 1, subs.LastIndexOfAny("x".ToCharArray(), Inclusion.Exclude));
UT_EQ(l - 1, subs.LastIndexOfAny("xy".ToCharArray(), Inclusion.Exclude));
UT_EQ(l - 2, subs.LastIndexOfAny("e".ToCharArray(), Inclusion.Exclude));
UT_EQ(l - 3, subs.LastIndexOfAny("de".ToCharArray(), Inclusion.Exclude));
UT_EQ(l - 4, subs.LastIndexOfAny("cde".ToCharArray(), Inclusion.Exclude));
UT_EQ(l - 4, subs.LastIndexOfAny("ced".ToCharArray(), Inclusion.Exclude));
UT_EQ(l - 4, subs.LastIndexOfAny("ecd".ToCharArray(), Inclusion.Exclude));
UT_EQ(5, subs.LastIndexOfAny("ecd".ToCharArray(), Inclusion.Exclude, 5));
UT_EQ(4, subs.LastIndexOfAny("ecd".ToCharArray(), Inclusion.Exclude, 4));
UT_EQ(1, subs.LastIndexOfAny("acd".ToCharArray(), Inclusion.Exclude, 3));
UT_EQ(-1, subs.LastIndexOfAny("abc".ToCharArray(), Inclusion.Exclude, 2));
UT_EQ(3, subs.LastIndexOfAny("xay".ToCharArray(), Inclusion.Exclude, 3));
UT_EQ(2, subs.LastIndexOfAny("d".ToCharArray(), Inclusion.Exclude, 3));
UT_EQ(-1, subs.LastIndexOfAny("a".ToCharArray(), Inclusion.Exclude, 0));
}
}
public void FrontEnd()
{
// empty substring
{
Substring subs = new Substring();
UT_EQ('\0', subs.CharAtStart( ));
UT_EQ('\0', subs.CharAt(0));
UT_EQ('\0', subs.CharAt(1));
UT_EQ('\0', subs.CharAt(-1));
UT_EQ('\0', subs.CharAt(2));
UT_EQ('\0', subs.CharAt(-2));
UT_EQ('\0', subs.CharAtEnd( ));
UT_EQ('\0', subs.CharAtEnd(0));
UT_EQ('\0', subs.CharAtEnd(1));
UT_EQ('\0', subs.CharAtEnd(-1));
UT_EQ('\0', subs.CharAtEnd(2));
UT_EQ('\0', subs.CharAtEnd(-2));
}
// empty substring
{
Substring subs = new Substring("aaaaaaaaaaaa");
subs.Start = 5;
subs.End = 4;
UT_EQ('\0', subs.CharAtStart( ));
UT_EQ('\0', subs.CharAt(0));
UT_EQ('\0', subs.CharAt(1));
UT_EQ('\0', subs.CharAt(-1));
UT_EQ('\0', subs.CharAt(2));
UT_EQ('\0', subs.CharAt(-2));
UT_EQ('\0', subs.CharAtEnd( ));
UT_EQ('\0', subs.CharAtEnd(0));
UT_EQ('\0', subs.CharAtEnd(1));
UT_EQ('\0', subs.CharAtEnd(-1));
UT_EQ('\0', subs.CharAtEnd(2));
UT_EQ('\0', subs.CharAtEnd(-2));
}
// substring of length 1
{
Substring subs = new Substring("aaaaaaaaaaaa");
subs.Start = subs.End = 5;
UT_EQ('a', subs.CharAtStart( ));
UT_EQ('a', subs.CharAt(0));
UT_EQ('\0', subs.CharAt(1));
UT_EQ('\0', subs.CharAt(-1));
UT_EQ('\0', subs.CharAt(2));
UT_EQ('\0', subs.CharAt(-2));
UT_EQ('a', subs.CharAtEnd( ));
UT_EQ('a', subs.CharAtEnd(0));
UT_EQ('\0', subs.CharAtEnd(1));
UT_EQ('\0', subs.CharAtEnd(-1));
UT_EQ('\0', subs.CharAtEnd(2));
UT_EQ('\0', subs.CharAtEnd(-2));
}
// substring of length 2
{
Substring subs = new Substring("aaaaabbbbbb");
subs.End = subs.IndexOf('b');
subs.Start = subs.End - 1;
UT_EQ('a', subs.CharAtStart( ));
UT_EQ('a', subs.CharAt(0));
UT_EQ('b', subs.CharAt(1));
UT_EQ('\0', subs.CharAt(-1));
UT_EQ('\0', subs.CharAt(2));
UT_EQ('\0', subs.CharAt(-2));
UT_EQ('b', subs.CharAtEnd( ));
UT_EQ('b', subs.CharAtEnd(0));
UT_EQ('a', subs.CharAtEnd(1));
UT_EQ('\0', subs.CharAtEnd(-1));
UT_EQ('\0', subs.CharAtEnd(2));
UT_EQ('\0', subs.CharAtEnd(-2));
}
}
public void SubstringIndexOf()
{
var s = new Substring("_Hello", 1, 2);
s.IndexOf('_').Should().BeNegative();
s.IndexOf('H').Should().Be(1);
s.IndexOf('e').Should().Be(2);
s.IndexOf('l').Should().BeNegative();
s.IndexOf('o').Should().BeNegative();
s.IndexOf('m').Should().BeNegative();
}
public void IndexOf(string input, char trimChar, int expected)
{
var actual = Substring.IndexOf(input, trimChar);
Assert.Equal(expected, actual);
}
