public bool Parse(
string jsonFragment,
out string jsonRemainder
)
{
jsonRemainder = StringUtils.StripLeadingJsonWhitespace(
jsonFragment
);
// Find character to denote end of value
int i = 0;
while (
(i < jsonRemainder.Length) &&
(jsonRemainder.Substring(i, 1) != ",") &&
(jsonRemainder.Substring(i, 1) != "]") &&
(jsonRemainder.Substring(i, 1) != "}")
)
{
i++;
}
// If no closing character, badly formatted json
if (i == jsonRemainder.Length)
{
Success = false;
jsonRemainder = jsonFragment;
return(Success);
}
string numberString = jsonRemainder.Substring(
0, i
);
try
{
valueInteger = Int32.Parse(
numberString
);
isInteger = true;
isDouble = false;
Success = true;
jsonRemainder = jsonRemainder.Substring(i);
return(Success);
} catch (Exception e1)
{
try
{
valueDouble = Double.Parse(
numberString
);
isInteger = false;
isDouble = true;
Success = true;
jsonRemainder = jsonRemainder.Substring(i);
return(Success);
} catch (Exception e2)
{
isInteger = false;
isDouble = false;
Success = false;
jsonRemainder = jsonFragment;
return(Success);
}
}
}
public bool Parse(
string jsonFragment,
out string jsonRemainder
)
{
jsonRemainder = StringUtils.StripLeadingJsonWhitespace(
jsonFragment
);
// The first character must be [ for an array
if (
StringUtils.GetFirstCharacter(
jsonRemainder
) != "["
)
{
Success = false;
jsonRemainder = jsonFragment;
return(Success);
}
// Remove the bracket character
jsonRemainder = StringUtils.StripFirstCharacter(
jsonRemainder
);
/*
* Now should have a series of json elements follow by commas
* except for the last json element which is followed by ]
*
* Conditions
* string still has some characters left in it
* we haven't reached the array closing bracket
*/
LinkedList <IJsonElement> elements = new LinkedList <IJsonElement>();
IJsonElement nextElement;
while (
(jsonRemainder.Length > 0) &&
(
StringUtils.GetFirstCharacter(
jsonRemainder
) != "]"
)
)
{
jsonRemainder = StringUtils.StripLeadingJsonWhitespace(
jsonRemainder
);
nextElement = SimpleJsonParser.ParseOne(
jsonRemainder,
out jsonRemainder
);
// A returned null means that the json was not parseable
if (nextElement == null)
{
Success = false;
jsonRemainder = jsonFragment;
return(Success);
}
// Parsed successfully -> add to list of parsed elements
elements.AddLast(
nextElement
);
// Remove leading whitespace
jsonRemainder = StringUtils.StripLeadingJsonWhitespace(
jsonRemainder
);
// Next character should be either comma or bracket
if (
(jsonRemainder.Length > 0) &&
(
StringUtils.GetFirstCharacter(
jsonRemainder
) == ","
)
)
{
// If it's a comma, remove it
jsonRemainder = StringUtils.StripFirstCharacter(
jsonRemainder
);
}
else if (
(jsonRemainder.Length > 0) &&
(
StringUtils.GetFirstCharacter(
jsonRemainder
) == "]"
)
)
{
/*
* For a closing bracket do nothing
* It will be caught on next loop condition check
*/
}
else
{
// If it's anything else, bad formatting
Success = false;
jsonRemainder = jsonFragment;
return(Success);
}
}
// Landing here should mean success
Success = true;
// Move linked list elements to values array
values = new IJsonElement[elements.Count];
elements.CopyTo(values, 0);
// Remember to remove the closing bracket
jsonRemainder = StringUtils.StripFirstCharacter(
jsonRemainder
);
return(Success);
}
