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static private InvalidMultipartNameIncorrectUsageOfQuotes ( string property, string value ) : |
||
| property | string | |
| value | string | |
| return | ||
internal static string[] ParseMultipartIdentifier(string name, string leftQuote, string rightQuote, char separator, int limit, bool removequotes, string property, bool ThrowOnEmptyMultipartName)
{
if (limit <= 0)
{
throw ADP.InvalidMultipartNameToManyParts(property, name, limit);
}
if (-1 != leftQuote.IndexOf(separator) || -1 != rightQuote.IndexOf(separator) || leftQuote.Length != rightQuote.Length)
{
throw ADP.InvalidMultipartNameIncorrectUsageOfQuotes(property, name);
}
string[] parsedNames = new string[limit]; // return string array
int stringCount = 0; // index of current string in the buffer
MPIState state = MPIState.MPI_Value; // Initalize the starting state
StringBuilder sb = new StringBuilder(name.Length); // String buffer to hold the string being currently built, init the string builder so it will never be resized
StringBuilder whitespaceSB = null; // String buffer to hold whitespace used when parsing nonquoted strings 'a b . c d' = 'a b' and 'c d'
char rightQuoteChar = ' '; // Right quote character to use given the left quote character found.
for (int index = 0; index < name.Length; ++index)
{
char testchar = name[index];
switch (state)
{
case MPIState.MPI_Value:
{
int quoteIndex;
if (IsWhitespace(testchar))
{ // Is White Space then skip the whitespace
continue;
}
else
if (testchar == separator)
{ // If we found a separator, no string was found, initalize the string we are parsing to Empty and the next one to Empty.
// This is NOT a redundent setting of string.Empty it solves the case where we are parsing ".foo" and we should be returning null, null, empty, foo
parsedNames[stringCount] = string.Empty;
IncrementStringCount(name, parsedNames, ref stringCount, property);
}
else
if (-1 != (quoteIndex = leftQuote.IndexOf(testchar)))
{ // If we are a left quote
rightQuoteChar = rightQuote[quoteIndex]; // record the corresponding right quote for the left quote
sb.Length = 0;
if (!removequotes)
{
sb.Append(testchar);
}
state = MPIState.MPI_ParseQuote;
}
else
if (-1 != rightQuote.IndexOf(testchar))
{ // If we shouldn't see a right quote
throw ADP.InvalidMultipartNameIncorrectUsageOfQuotes(property, name);
}
else
{
sb.Length = 0;
sb.Append(testchar);
state = MPIState.MPI_ParseNonQuote;
}
break;
}
case MPIState.MPI_ParseNonQuote:
{
if (testchar == separator)
{
parsedNames[stringCount] = sb.ToString(); // set the currently parsed string
IncrementStringCount(name, parsedNames, ref stringCount, property);
state = MPIState.MPI_Value;
}
else // Quotes are not valid inside a non-quoted name
if (-1 != rightQuote.IndexOf(testchar))
{
throw ADP.InvalidMultipartNameIncorrectUsageOfQuotes(property, name);
}
else
if (-1 != leftQuote.IndexOf(testchar))
{
throw ADP.InvalidMultipartNameIncorrectUsageOfQuotes(property, name);
}
else
if (IsWhitespace(testchar))
{ // If it is Whitespace
parsedNames[stringCount] = sb.ToString(); // Set the currently parsed string
if (null == whitespaceSB)
{
whitespaceSB = new StringBuilder();
}
whitespaceSB.Length = 0;
whitespaceSB.Append(testchar); // start to record the whitespace, if we are parsing a name like "foo bar" we should return "foo bar"
state = MPIState.MPI_LookForNextCharOrSeparator;
}
else
{
sb.Append(testchar);
}
break;
}
case MPIState.MPI_LookForNextCharOrSeparator:
{
if (!IsWhitespace(testchar))
{ // If it is not whitespace
if (testchar == separator)
{
IncrementStringCount(name, parsedNames, ref stringCount, property);
state = MPIState.MPI_Value;
}
else
{ // If its not a separator and not whitespace
sb.Append(whitespaceSB);
sb.Append(testchar);
parsedNames[stringCount] = sb.ToString(); // Need to set the name here in case the string ends here.
state = MPIState.MPI_ParseNonQuote;
}
}
else
{
whitespaceSB.Append(testchar);
}
break;
}
case MPIState.MPI_ParseQuote:
{
if (testchar == rightQuoteChar)
{ // if se are on a right quote see if we are escapeing the right quote or ending the quoted string
if (!removequotes)
{
sb.Append(testchar);
}
state = MPIState.MPI_RightQuote;
}
else
{
sb.Append(testchar); // Append what we are currently parsing
}
break;
}
case MPIState.MPI_RightQuote:
{
if (testchar == rightQuoteChar)
{ // If the next char is a another right quote then we were escapeing the right quote
sb.Append(testchar);
state = MPIState.MPI_ParseQuote;
}
else
if (testchar == separator)
{ // If its a separator then record what we've parsed
parsedNames[stringCount] = sb.ToString();
IncrementStringCount(name, parsedNames, ref stringCount, property);
state = MPIState.MPI_Value;
}
else
if (!IsWhitespace(testchar))
{ // If it is not whitespace we got problems
throw ADP.InvalidMultipartNameIncorrectUsageOfQuotes(property, name);
}
else
{ // It is a whitespace character so the following char should be whitespace, separator, or end of string anything else is bad
parsedNames[stringCount] = sb.ToString();
state = MPIState.MPI_LookForSeparator;
}
break;
}
case MPIState.MPI_LookForSeparator:
{
if (!IsWhitespace(testchar))
{ // If it is not whitespace
if (testchar == separator)
{ // If it is a separator
IncrementStringCount(name, parsedNames, ref stringCount, property);
state = MPIState.MPI_Value;
}
else
{ // Othewise not a separator
throw ADP.InvalidMultipartNameIncorrectUsageOfQuotes(property, name);
}
}
break;
}
}
}
// Resolve final states after parsing the string
switch (state)
{
case MPIState.MPI_Value: // These states require no extra action
case MPIState.MPI_LookForSeparator:
case MPIState.MPI_LookForNextCharOrSeparator:
break;
case MPIState.MPI_ParseNonQuote: // Dump what ever was parsed
case MPIState.MPI_RightQuote:
parsedNames[stringCount] = sb.ToString();
break;
case MPIState.MPI_ParseQuote: // Invalid Ending States
default:
throw ADP.InvalidMultipartNameIncorrectUsageOfQuotes(property, name);
}
if (parsedNames[0] == null)
{
if (ThrowOnEmptyMultipartName)
{
throw ADP.InvalidMultipartName(property, name); // Name is entirely made up of whitespace
}
}
else
{
// Shuffle the parsed name, from left justification to right justification, ie [a][b][null][null] goes to [null][null][a][b]
int offset = limit - stringCount - 1;
if (offset > 0)
{
for (int x = limit - 1; x >= offset; --x)
{
parsedNames[x] = parsedNames[x - offset];
parsedNames[x - offset] = null;
}
}
}
return(parsedNames);
}
internal static string[] ParseMultipartIdentifier(string name, string leftQuote, string rightQuote, char separator, int limit, bool removequotes, string property, bool ThrowOnEmptyMultipartName)
{
if (limit <= 0)
{
throw ADP.InvalidMultipartNameToManyParts(property, name, limit);
}
if (((-1 != leftQuote.IndexOf(separator)) || (-1 != rightQuote.IndexOf(separator))) || (leftQuote.Length != rightQuote.Length))
{
throw ADP.InvalidMultipartNameIncorrectUsageOfQuotes(property, name);
}
string[] ary = new string[limit];
int index = 0;
MPIState state = MPIState.MPI_Value;
StringBuilder builder = new StringBuilder(name.Length);
StringBuilder builder2 = null;
char ch2 = ' ';
for (int i = 0; i < name.Length; i++)
{
int num5;
char ch = name[i];
switch (state)
{
case MPIState.MPI_Value:
{
if (!IsWhitespace(ch))
{
if (ch != separator)
{
break;
}
ary[index] = string.Empty;
IncrementStringCount(name, ary, ref index, property);
}
continue;
}
case MPIState.MPI_ParseNonQuote:
{
if (ch != separator)
{
goto Label_0135;
}
ary[index] = builder.ToString();
IncrementStringCount(name, ary, ref index, property);
state = MPIState.MPI_Value;
continue;
}
case MPIState.MPI_LookForSeparator:
{
if (!IsWhitespace(ch))
{
if (ch != separator)
{
throw ADP.InvalidMultipartNameIncorrectUsageOfQuotes(property, name);
}
IncrementStringCount(name, ary, ref index, property);
state = MPIState.MPI_Value;
}
continue;
}
case MPIState.MPI_LookForNextCharOrSeparator:
{
if (IsWhitespace(ch))
{
goto Label_01DD;
}
if (ch != separator)
{
goto Label_01BB;
}
IncrementStringCount(name, ary, ref index, property);
state = MPIState.MPI_Value;
continue;
}
case MPIState.MPI_ParseQuote:
{
if (ch != ch2)
{
goto Label_0203;
}
if (!removequotes)
{
builder.Append(ch);
}
state = MPIState.MPI_RightQuote;
continue;
}
case MPIState.MPI_RightQuote:
{
if (ch != ch2)
{
goto Label_021E;
}
builder.Append(ch);
state = MPIState.MPI_ParseQuote;
continue;
}
default:
{
continue;
}
}
if (-1 != (num5 = leftQuote.IndexOf(ch)))
{
ch2 = rightQuote[num5];
builder.Length = 0;
if (!removequotes)
{
builder.Append(ch);
}
state = MPIState.MPI_ParseQuote;
}
else
{
if (-1 != rightQuote.IndexOf(ch))
{
throw ADP.InvalidMultipartNameIncorrectUsageOfQuotes(property, name);
}
builder.Length = 0;
builder.Append(ch);
state = MPIState.MPI_ParseNonQuote;
}
continue;
Label_0135:
if (-1 != rightQuote.IndexOf(ch))
{
throw ADP.InvalidMultipartNameIncorrectUsageOfQuotes(property, name);
}
if (-1 != leftQuote.IndexOf(ch))
{
throw ADP.InvalidMultipartNameIncorrectUsageOfQuotes(property, name);
}
if (IsWhitespace(ch))
{
ary[index] = builder.ToString();
if (builder2 == null)
{
builder2 = new StringBuilder();
}
builder2.Length = 0;
builder2.Append(ch);
state = MPIState.MPI_LookForNextCharOrSeparator;
}
else
{
builder.Append(ch);
}
continue;
Label_01BB:
builder.Append(builder2);
builder.Append(ch);
ary[index] = builder.ToString();
state = MPIState.MPI_ParseNonQuote;
continue;
Label_01DD:
builder2.Append(ch);
continue;
Label_0203:
builder.Append(ch);
continue;
Label_021E:
if (ch == separator)
{
ary[index] = builder.ToString();
IncrementStringCount(name, ary, ref index, property);
state = MPIState.MPI_Value;
}
else
{
if (!IsWhitespace(ch))
{
throw ADP.InvalidMultipartNameIncorrectUsageOfQuotes(property, name);
}
ary[index] = builder.ToString();
state = MPIState.MPI_LookForSeparator;
}
}
switch (state)
{
case MPIState.MPI_Value:
case MPIState.MPI_LookForSeparator:
case MPIState.MPI_LookForNextCharOrSeparator:
break;
case MPIState.MPI_ParseNonQuote:
case MPIState.MPI_RightQuote:
ary[index] = builder.ToString();
break;
default:
throw ADP.InvalidMultipartNameIncorrectUsageOfQuotes(property, name);
}
if (ary[0] == null)
{
if (ThrowOnEmptyMultipartName)
{
throw ADP.InvalidMultipartName(property, name);
}
return(ary);
}
int num3 = (limit - index) - 1;
if (num3 > 0)
{
for (int j = limit - 1; j >= num3; j--)
{
ary[j] = ary[j - num3];
ary[j - num3] = null;
}
}
return(ary);
}
