public ResxValue Scan(string txt)
{
var creator = new ResxValue.Creator();
ParseText(creator, 0, ref txt);
var value = creator.Create();
return(value);
}
private void ParseParameter(ResxValue.Creator creator, int startIdx, ref string txt)
{
int idx = startIdx;
StringBuilder buffer = new StringBuilder();
if (txt[idx] != '{')
{
throw new StringParseException("Expected '{': " + txt);
}
// skip initial character
idx++;
while (txt[idx] != '}')
{
if (txt.Length <= idx)
{
throw new StringParseException("Parameter is missing ending: " + txt);
}
buffer.Append(txt[idx]);
idx++;
}
int paramNum = -1;
if (!int.TryParse(buffer.ToString(), out paramNum))
{
throw new StringParseException("Invalid parameter content: " + txt);
}
else
{
creator.AddSegment(ParameterSegment.Create(startIdx, idx, txt.Substring(startIdx, idx - startIdx + 1), paramNum));
}
idx++;
ParseText(creator, idx, ref txt);
}
private void ParseText(ResxValue.Creator creator, int startIdx, ref string txt)
{
int idx = startIdx;
StringBuilder buffer = new StringBuilder();
while (txt.Length > idx)
{
if (txt[idx] == '{')
{
if (txt.Length > idx + 1)
{
// cruly brace escape char
if (txt[idx + 1] == '{')
{
// skip one of the braces to add only one to the text value
idx++;
}
else
{
ParseParameter(creator, idx, ref txt);
// revert one step as it belongs to the parameter
idx--;
break;
}
}
}
buffer.Append(txt[idx]);
idx++;
}
if (buffer.Length > 0)
{
creator.AddSegment(StringSegment.Create(startIdx, idx, buffer.ToString()));
}
}
