/// <summary>
/// Matches a JSON array content: the match ends with the first ].
/// Whitespaces and JS comments (//... or /* ... */) are skipped.
/// </summary>
/// <param name="this">This <see cref="StringMatcher"/>.</param>
/// <param name="value">The list of objects on success.</param>
/// <returns>True on success, false otherwise.</returns>
public static bool MatchJSONArrayContent(this StringMatcher @this, out List <object> value)
{
value = null;
while ([email protected])
{
@this.SkipWhiteSpacesAndJSComments();
if (@this.TryMatchChar(']'))
{
if (value == null)
{
value = new List <object>();
}
return(true);
}
object cell;
if (!MatchJSONObject(@this, out cell))
{
return(false);
}
if (value == null)
{
value = new List <object>();
}
value.Add(cell);
@this.SkipWhiteSpacesAndJSComments();
// Allow trailing comma: ,] is valid.
@this.TryMatchChar(',');
}
return(@this.SetError("JSON array definition but reached end of match."));
}
/// <summary>
/// Matches a { "JSON" : "object" }, a ["JSON", "array"] or a terminal value (string, null, double, true or false)
/// and any combination of them.
/// Whitespaces and JS comments (//... or /* ... */) are skipped.
/// </summary>
/// <param name="this">This <see cref="StringMatcher"/>.</param>
/// <param name="value">
/// A list of objects (for array), a list of KeyValuePair<string,object> for object or
/// a double, string, boolean or null (for null).</param>
/// <returns>True on success, false on error.</returns>
public static bool MatchJSONObject(this StringMatcher @this, out object value)
{
value = null;
@this.SkipWhiteSpacesAndJSComments();
if (@this.TryMatchChar('{'))
{
List <KeyValuePair <string, object> > c;
if (!MatchJSONObjectContent(@this, out c))
{
return(false);
}
value = c;
return(true);
}
if (@this.TryMatchChar('['))
{
List <object> t;
if (!MatchJSONArrayContent(@this, out t))
{
return(false);
}
value = t;
return(true);
}
if (TryMatchJSONTerminalValue(@this, out value))
{
return(true);
}
return(@this.SetError("JSON value."));
}
/// <summary>
/// Matches a very simple version of a JSON object content: this match stops at the first closing }.
/// Whitespaces and JS comments (//... or /* ... */) are skipped.
/// </summary>
/// <param name="this">This <see cref="StringMatcher"/>.</param>
/// <param name="o">The read object on success as a list of KeyValuePair.</param>
/// <returns>True on success, false on error.</returns>
public static bool MatchJSONObjectContent(this StringMatcher @this, out List <KeyValuePair <string, object> > o)
{
o = null;
while ([email protected])
{
@this.SkipWhiteSpacesAndJSComments();
string propName;
object value;
if (@this.TryMatchChar('}'))
{
if (o == null)
{
o = new List <KeyValuePair <string, object> >();
}
return(true);
}
if ([email protected](out propName))
{
o = null;
return(@this.SetError("Quoted Property Name."));
}
@this.SkipWhiteSpacesAndJSComments();
if ([email protected](':') || !MatchJSONObject(@this, out value))
{
o = null;
return(false);
}
if (o == null)
{
o = new List <KeyValuePair <string, object> >();
}
o.Add(new KeyValuePair <string, object>(propName, value));
@this.SkipWhiteSpacesAndJSComments();
// This accepts e trailing comma at the end of a property list: ..."a":0,} is not an error.
@this.TryMatchChar(',');
}
return(@this.SetError("JSON object definition but reached end of match."));
}