public SymbolMatch makeMatch(ScanString input) {
for (Matcher matcher : getWikiMatchers()) {
Maybe<Integer> matchLength = matcher.makeMatch(input);
if (!matchLength.isNothing()) return new SymbolMatch(this, input, matchLength.getValue());
}
return SymbolMatch.noMatch;
}
@Override
public Maybe<String> findVariable(String name) {
Maybe<String> result = findSpecialVariableValue(name);
if (!result.isNothing()) return result;
result = findVariableInPages(name);
if (!result.isNothing()) return result;
return findVariableInContext(name);
}
private Maybe<String> lookInParentPages(String name) {
for (SourcePage sourcePage : page.getAncestors()) {
if (!inCache(sourcePage)) {
// The cache is passed along... page is rendered as a normal page.
Parser.make(copyForPage(sourcePage), sourcePage.getContent()).parse();
putVariable(sourcePage, "", Maybe.noString);
}
Maybe<String> result = findVariableInCache(sourcePage, name);
if (!result.isNothing()) return result;
}
return Maybe.noString;
}
private Maybe<String> findSpecialVariableValue(String key) {
String value;
if (key.equals("RUNNING_PAGE_NAME")) value = page.getName();
else if (key.equals("RUNNING_PAGE_PATH")) value = page.getPath();
else if (key.equals("PAGE_NAME")) value = namedPage.getName();
else if (key.equals("PAGE_PATH")) value = namedPage.getPath();
else if (key.equals("FITNESSE_PORT")) {
Maybe<String> port = findVariableInContext("FITNESSE_PORT");
value = port.isNothing() ? "-1" : port.getValue();
} else if (key.equals("FITNESSE_ROOTPATH")) {
Maybe<String> path = findVariableInContext("FITNESSE_ROOTPATH");
value = path.isNothing() ? "" : path.getValue();
} else if (key.equals("FITNESSE_VERSION")) {
Maybe<String> version = findVariableInContext("FITNESSE_VERSION");
value = version.isNothing() ? "" : version.getValue();
} else return Maybe.noString;
return new Maybe<String>(value);
}
private Maybe<String> findVariableInPages(String name) {
Maybe<String> localVariable = findVariableInCache(name);
if (!localVariable.isNothing()) return new Maybe<String>(localVariable.getValue());
return lookInParentPages(name);
}