private ISsrsObjectRewriter BuildReplacementRule(ReplacementRuleDef def)
{
var filter = PathFilter.ParseGlob(def.Filter) ?? PathFilter.MatchAll;
switch (def.Target)
{
case "DataSet.DataSourceReference":
return(new SsrsDataSetDataSourceReferenceRewriter(filter, def.Replacement));
default:
throw new FormatException($"Unrecognised replacement target: {def.Target}");
}
}
public ISsrsObjectRewriter Parse(string rule)
{
var replacementRule = rxReplacementRule.Match(rule);
if (replacementRule.Success)
{
var def = new ReplacementRuleDef {
Target = replacementRule.Groups["target"].Value,
Filter = replacementRule.Groups["filter"].Success ? replacementRule.Groups["filter"].Value : null,
Replacement = replacementRule.Groups["replacement"].Value
};
if (def.Filter == null && def.Replacement.StartsWith("{"))
{
// Possible typo in the rule, eg '...:{SomePattern=Replacement'.
throw new FormatException("Filter must be specified if replacement value starts with '{'.");
}
return(BuildReplacementRule(def));
}
throw new FormatException($"Rewrite rule could not be parsed: '{rule}'");
}
