/// <summary>
/// Loads property values from a given character stream.
/// </summary>
/// <param name="propertyStream">A stream providing text, like that of a file.</param>
public void Load(Stream propertyStream)
{
// Open the stream for reading
using (StreamReader reader = new StreamReader(propertyStream, Encoding.GetEncoding("ISO-8859-1")))
{
// open the lexers/parsers to generate key-value pairs
AntlrInputStream inputStream = new AntlrInputStream(reader);
JPropertiesLexer lexer = new JPropertiesLexer(inputStream);
CommonTokenStream tokenStream = new CommonTokenStream(lexer);
JPropertiesParser parser = new JPropertiesParser(tokenStream);
// See the grammar spec for more information
JPropertiesParser.FileContext file = parser.file();
if (file != null)
{
// Grab all natural lines in the properties
JPropertiesParser.LineContext[] lines = file.line();
if (lines != null)
{
// Not all lines have a key-value pair as per spec
foreach (var line in lines)
{
JPropertiesParser.PropertyContext prop = line.property();
if (prop != null)
{
// Store key-value pair
JPropertiesParser.KeyContext key = prop.key();
JPropertiesParser.ValueContext value = prop.value();
base.Add(key.GetText(), value == null ? "" : Regex.Unescape(value.GetText()));
}
}
}
}
}
}
/// <summary>
/// Exit a parse tree produced by <see cref="JPropertiesParser.file"/>.
/// <para>The default implementation does nothing.</para>
/// </summary>
/// <param name="context">The parse tree.</param>
public virtual void ExitFile([NotNull] JPropertiesParser.FileContext context)
{
}