//removes custom sign indicators
private string RemoveCustomPatternParts(string str)
{
/* Note:
* Symbols are added here so the removing tries to not affect the coordinate too much
* Strings to be removed then are evaluated from the longest ones to the shortes ones
* So when searching for "P" does not affect "PN" as "PN" is evaluated earlier
* */
//CustomHemisphereIndicator is used here so another object does not have to be created
//only for the string cleanning
ArrayList StringsToRemove = CustomPtrn.HemisphereIndicators;
//add degree symbol
CustomHemisphereIndicator StringToRemove = new CustomHemisphereIndicator("Degree", CustomPtrn.DegreeSymbol,CustomPtrn.DegreeSymbol.Length, false);
StringsToRemove.Add(StringToRemove);
//add minute symbol
StringToRemove = new CustomHemisphereIndicator("Minute", CustomPtrn.MinuteSymbol, CustomPtrn.MinuteSymbol.Length, false);
StringsToRemove.Add(StringToRemove);
//add second symbol
StringToRemove = new CustomHemisphereIndicator("Second", CustomPtrn.SecondSymbol, CustomPtrn.SecondSymbol.Length, false);
StringsToRemove.Add(StringToRemove);
//sorth the arraylist (by element's Length property)
StringsToRemove.Sort();
for (int x = StringsToRemove.Count - 1; x >= 0; x--)
{
CustomHemisphereIndicator ToBeRemoved = (CustomHemisphereIndicator)StringsToRemove[x];
//check if the string exists so replacing does not yield errors
if (ToBeRemoved.Length > 0)
{
//check if the supplied pattern was marked as case insensitive?
string CaseInsensitive = "";
if (CustomPtrn.CaseInsensitive)
{
CaseInsensitive = "(?i)";
}
//create regex for replacing
Regex TempRegex = new Regex(CaseInsensitive + ToBeRemoved.Indicator);
if (ToBeRemoved.Name == "Degree" | ToBeRemoved.Name == "Minute")
{
//replace with a symbol used later for splitting
str = TempRegex.Replace(str, ":");
}
else
{
//remove the string
str = TempRegex.Replace(str, "");
}
}
}
return str;
}
//This adds custom pattern to a list of already predefined patterns
//useful for batch conversions - allows for totally mixed input data (predefined & custom)
public void AddCustomPattern(CustomPatternIn patternIn)
{
//new custom pattern object - to pass the needed data farther
CustomPattern pattern = new CustomPattern();
//keep indicators for parsing
ArrayList indicators = new ArrayList();
//north
CustomHemisphereIndicator ind = new CustomHemisphereIndicator("North", patternIn.North, patternIn.North.Length,true);
indicators.Add(ind);
//south
ind = new CustomHemisphereIndicator("South", patternIn.South, patternIn.South.Length, false);
indicators.Add(ind);
//east
ind = new CustomHemisphereIndicator("East", patternIn.East, patternIn.East.Length, true);
indicators.Add(ind);
//west
ind = new CustomHemisphereIndicator("West", patternIn.West, patternIn.West.Length, false);
indicators.Add(ind);
//sort the arraylist
indicators.Sort();
//add it to the pattern object
pattern.HemisphereIndicators = indicators;
//case insensitive
pattern.CaseInsensitive = patternIn.CaseInsensitive;
//keep symbols for parsing
pattern.DegreeSymbol = patternIn.DegreeSymbol;
pattern.MinuteSymbol = patternIn.MinuteSymbol;
pattern.SecondSymbol = patternIn.SecondSymbol;
//save the data
CustomPtrn = pattern;
//----------------build custom patterns----------------
//prepare hemisphere indicators
string north = EscapeChars(patternIn.North);
string south = EscapeChars(patternIn.South);
string east = EscapeChars(patternIn.East);
string west = EscapeChars(patternIn.West);
//prepare symbols
string degreesymbol = "";
if (patternIn.DegreeSymbol != "")
{
degreesymbol = "(" + EscapeChars(patternIn.DegreeSymbol) + ")?";
}
string minutesymbol = "";
if (patternIn.MinuteSymbol != "")
{
minutesymbol = "(" + EscapeChars(patternIn.MinuteSymbol) + ")?";
}
string secondsymbol = "";
if (EscapeChars(patternIn.SecondSymbol) != "")
{
secondsymbol = "(" + EscapeChars(patternIn.SecondSymbol) + ")?";
}
//is the pattern to be case insensitive?
string CaseInsensitive = "";
if (patternIn.CaseInsensitive)
{
CaseInsensitive = "(?i)";
}
//allow whitespace
string WhiteSpace = "";
if (patternIn.AllowWhiteSpace == true)
{
WhiteSpace = "(\\s)*";
}
//hemisphere indicator
string HemisphereIndicator = "";
//add north if present
if (north == "")
{
HemisphereIndicator += south;
}
else
{
HemisphereIndicator += north;
if (south != "")
{
HemisphereIndicator += "|" + south;
}
}
//add east
if (north == "" & south == "")
{
HemisphereIndicator += east;
}
else
{
if (east != "")
{
HemisphereIndicator += "|" + east;
}
}
//add west
if (north == "" & south == "" & east == "")
{
HemisphereIndicator += west;
}
else
{
if (west != "")
{
HemisphereIndicator += "|" + west;
}
}
//add remaining bits if not empty
if (HemisphereIndicator != "")
{
HemisphereIndicator = "(" + HemisphereIndicator + ")?";
}
ArrayList customPatterns = new ArrayList();
//create custom patterns based on the specified user's input
string[] ptrn;
//Custom variation of DD.DDD
ptrn = new string[2];
ptrn[0] = "Custom variation of DD.DDD";
ptrn[1] =
CaseInsensitive + "(^" +
WhiteSpace + HemisphereIndicator + WhiteSpace +
"(" +
"(\\d{1,3}(\\.|\\,)?" + WhiteSpace + degreesymbol + WhiteSpace + "$)|(\\d{1,3}(\\.|\\,)\\d+" + WhiteSpace + degreesymbol + WhiteSpace + "$)" +
")" +
"|(^" + WhiteSpace +
"(" +
"(\\d{1,3}(\\.|\\,)?" + WhiteSpace + degreesymbol + WhiteSpace + ")|(\\d{1,3}(\\.|\\,)\\d+" + WhiteSpace + degreesymbol + WhiteSpace + ")" +
")" +
HemisphereIndicator + WhiteSpace + "$" +
"))"
;
customPatterns.Add(ptrn);
//Custom variation of DD:MM.MMM
ptrn = new string[2];
ptrn[0] = "Custom variation of DD:MM.MMM";
ptrn[1] =
CaseInsensitive + "(^" +
WhiteSpace + HemisphereIndicator + WhiteSpace +
"(" +
"(\\d{1,3}" + WhiteSpace + degreesymbol + WhiteSpace + "$)|(\\d{1,3}" + WhiteSpace + degreesymbol + WhiteSpace + "\\d{1,2}(\\.|\\,)?" + WhiteSpace + minutesymbol + WhiteSpace + "$)|(\\d{1,3}" + WhiteSpace + degreesymbol + WhiteSpace + "\\d{1,2}(\\.|\\,)\\d+" + WhiteSpace + minutesymbol + WhiteSpace + "$)" +
")" +
"|(^" + WhiteSpace +
"(" +
"(\\d{1,3}" + WhiteSpace + degreesymbol + WhiteSpace + ")|(\\d{1,3}" + WhiteSpace + degreesymbol + WhiteSpace + "\\d{1,2}(\\.|\\,)?" + WhiteSpace + minutesymbol + WhiteSpace + ")|(\\d{1,3}" + WhiteSpace + degreesymbol + WhiteSpace + "\\d{1,2}(\\.|\\,)\\d+" + WhiteSpace + minutesymbol + WhiteSpace + ")" +
")" +
HemisphereIndicator + WhiteSpace + "$" +
"))"
;
customPatterns.Add(ptrn);
//Custom variation of DD:MM:SS.SSS
ptrn = new string[2];
ptrn[0] = "Custom variation of DD:MM:SS.SSS";
ptrn[1] =
CaseInsensitive + "(^" +
WhiteSpace + HemisphereIndicator + WhiteSpace +
"(" +
"(\\d{1,3}" + WhiteSpace + degreesymbol + WhiteSpace + "$)|(\\d{1,3}" + WhiteSpace + degreesymbol + WhiteSpace + "\\d{1,2}" + WhiteSpace + minutesymbol + WhiteSpace + "$)|(\\d{1,3}" + WhiteSpace + degreesymbol + WhiteSpace + "\\d{1,2}" + WhiteSpace + minutesymbol + WhiteSpace + "\\d{1,2}(\\.|\\,)?" + WhiteSpace + secondsymbol + WhiteSpace + "$)|(\\d{1,3}" + WhiteSpace + degreesymbol + WhiteSpace + "\\d{1,2}" + WhiteSpace + minutesymbol + WhiteSpace + "\\d{1,2}(\\.|\\,)\\d+" + WhiteSpace + secondsymbol + WhiteSpace + "$)" +
")" +
"|(^" + WhiteSpace +
"(" +
"(\\d{1,3}" + WhiteSpace + degreesymbol + WhiteSpace + ")|(\\d{1,3}" + WhiteSpace + degreesymbol + WhiteSpace + "\\d{1,2}" + WhiteSpace + minutesymbol + WhiteSpace + ")|(\\d{1,3}" + WhiteSpace + degreesymbol + WhiteSpace + "\\d{1,2}" + WhiteSpace + minutesymbol + WhiteSpace + "\\d{1,2}(\\.|\\,)?" + WhiteSpace + secondsymbol + WhiteSpace + ")|(\\d{1,3}" + WhiteSpace + degreesymbol + WhiteSpace + "\\d{1,2}" + WhiteSpace + minutesymbol + WhiteSpace + "\\d{1,2}(\\.|\\,)\\d+" + WhiteSpace + secondsymbol + WhiteSpace + ")" +
")" +
HemisphereIndicator + WhiteSpace + "$" +
"))"
;
customPatterns.Add(ptrn);
//check if the default patterns are to be used
if (patternIn.DisableDefaultPatterns)
{
patterns = customPatterns;
}
else //if all patterns are to be used check which set has the matching priority
{
//check if the custom patterns are to have priority over the default ones
if (patternIn.PriorityOverDefaultPatterns)
{
//add default patterns to the custom patterns
for (int i = 0; i < patterns.Count; i++)
{
customPatterns.Add(patterns[i]);
}
//swap array lists
patterns = customPatterns;
}
else
{
//add custom patterns to the default patterns
for (int i = 0; i < customPatterns.Count; i++)
{
patterns.Add(customPatterns[i]);
}
}
}
}