/// <summary>
/// Gets the index at which the value should be stored for the specified name,
/// the method is only used in the case-insensitive case.
/// </summary>
/// <param name="name">the name of the member</param>
/// <param name="obj">The ExpandoObject associated with the class
/// that is used to check if a member has been deleted.</param>
/// <returns>
/// the exact match if there is one
/// if there is exactly one member with case insensitive match, return it
/// otherwise we throw AmbiguousMatchException.
/// </returns>
private int GetValueIndexCaseInsensitive(string name, ExpandoObject obj)
{
int caseInsensitiveMatch = ExpandoObject.NoMatch; //the location of the case-insensitive matching member
lock (obj.LockObject) {
for (int i = _keys.Length - 1; i >= 0; i--)
{
if (string.Equals(
_keys[i],
name,
StringComparison.OrdinalIgnoreCase))
{
//if the matching member is deleted, continue searching
if (!obj.IsDeletedMember(i))
{
if (caseInsensitiveMatch == ExpandoObject.NoMatch)
{
caseInsensitiveMatch = i;
}
else
{
//Ambigous match, stop searching
return(ExpandoObject.AmbiguousMatchFound);
}
}
}
}
}
//There is exactly one member with case insensitive match.
return(caseInsensitiveMatch);
}
private int GetValueIndexCaseInsensitive(string name, ExpandoObject obj)
{
int num = -1;
lock (obj.LockObject)
{
for (int i = this._keys.Length - 1; i >= 0; i--)
{
if (string.Equals(this._keys[i], name, StringComparison.OrdinalIgnoreCase) && !obj.IsDeletedMember(i))
{
if (num != -1)
{
return -2;
}
num = i;
}
}
}
return num;
}
private int GetValueIndexCaseInsensitive(string name, ExpandoObject obj)
{
int num = -1;
lock (obj.LockObject)
{
for (int i = this._keys.Length - 1; i >= 0; i--)
{
if (string.Equals(this._keys[i], name, StringComparison.OrdinalIgnoreCase) && !obj.IsDeletedMember(i))
{
if (num != -1)
{
return(-2);
}
num = i;
}
}
}
return(num);
}
/// <summary>
/// Gets the index at which the value should be stored for the specified name,
/// the method is only used in the case-insensitive case.
/// </summary>
/// <param name="name">the name of the member</param>
/// <param name="obj">The ExpandoObject associated with the class
/// that is used to check if a member has been deleted.</param>
/// <returns>
/// the exact match if there is one
/// if there is exactly one member with case insensitive match, return it
/// otherwise we throw AmbiguousMatchException.
/// </returns>
private int GetValueIndexCaseInsensitive(string name, ExpandoObject obj)
{
int caseInsensitiveMatch = ExpandoObject.NoMatch; //the location of the case-insensitive matching member
lock (obj.LockObject)
{
for (int i = _keys.Length - 1; i >= 0; i--)
{
if (string.Equals(
_keys[i],
name,
StringComparison.OrdinalIgnoreCase))
{
//if the matching member is deleted, continue searching
if (!obj.IsDeletedMember(i))
{
if (caseInsensitiveMatch == ExpandoObject.NoMatch)
{
caseInsensitiveMatch = i;
}
else
{
//Ambiguous match, stop searching
return ExpandoObject.AmbiguousMatchFound;
}
}
}
}
}
//There is exactly one member with case insensitive match.
return caseInsensitiveMatch;
}
/// <summary>
/// Gets the index at which the value should be stored for the specified name,
/// the method is only used in the case-insensitive case.
/// </summary>
/// <param name="name">the name of the member</param>
/// <param name="obj">The ExpandoObject associated with the class
/// that is used to check if a member has been deleted.</param>
/// <returns>
/// the exact match if there is one
/// if there is exactly one member with case insensitive match, return it
/// otherwise we throw AmbiguousMatchException.
/// </returns>
private int GetValueIndexCaseInsensitive(string name, ExpandoObject obj) {
int caseInsensitiveMatch = ExpandoObject.NoMatch; //the location of the case-insensitive matching member
int exactMatch = ExpandoObject.NoMatch;
bool hasAmbigousMatch = false;
bool isMatch = false;
lock (obj.LockObject) {
for (int i = _keys.Length - 1; i >= 0; i--) {
if (!hasAmbigousMatch) {
//Do case insensitive search if we are not sure if there are ambigous matches
if (string.Equals(
_keys[i],
name,
StringComparison.OrdinalIgnoreCase)) {
//if the matching member is deleted, continue searching
if (!obj.IsDeletedMember(i)) {
if (caseInsensitiveMatch == ExpandoObject.NoMatch) {
caseInsensitiveMatch = i;
} else {
hasAmbigousMatch = true;
}
}
isMatch = true;
} else {
isMatch = false;
}
}
//Try searching for exact match if we got a match already and haven't got an exact match.
if (isMatch && caseInsensitiveMatch != ExpandoObject.NoMatch && exactMatch == ExpandoObject.NoMatch) {
if (string.Equals(
_keys[i],
name,
StringComparison.Ordinal)) {
if (obj.IsDeletedMember(i)) {
//We know there is an exact match but it is deleted.
//No need to look for exact match after this.
exactMatch = i;
} else {
//the exact match has the highest priority
return i;
}
}
}
}
}
//if there is an available exact match, it should have been returned.
if (hasAmbigousMatch) {
return ExpandoObject.AmbiguousMatchFound;
}
//There is exactly one member with case insensitive match.
return caseInsensitiveMatch;
}
