private static int getArgumentOffset(int caretOffset, String argument, CharSequence text) {
int argumentOffset = caretOffset - argument.length();
if (argumentOffset > 0 && text.charAt(argumentOffset - 1) == ' ') {
if (argumentOffset - 2 >= 0
&& Character.isJavaIdentifierPart(text.charAt(argumentOffset - 2))) {
argumentOffset--;
}
}
return argumentOffset;
}
private static int passArgumentBack(CharSequence text, int caretOffset) {
int i = caretOffset - 1;
for (; i >= 0; i--) {
char c = text.charAt(i);
if (isDelimiter(c)) {
break;
}
}
return i + 1;
}
public Map<TemplateImpl, String> findMatchingTemplates(
final PsiFile file,
Editor editor,
@Nullable Character shortcutChar,
TemplateSettings templateSettings) {
final Document document = editor.getDocument();
CharSequence text = document.getCharsSequence();
final int caretOffset = editor.getCaretModel().getOffset();
List<TemplateImpl> candidatesWithoutArgument =
findMatchingTemplates(text, caretOffset, shortcutChar, templateSettings, false);
int argumentOffset = passArgumentBack(text, caretOffset);
String argument = null;
if (argumentOffset >= 0) {
argument = text.subSequence(argumentOffset, caretOffset).toString();
if (argumentOffset > 0 && text.charAt(argumentOffset - 1) == ' ') {
if (argumentOffset - 2 >= 0
&& Character.isJavaIdentifierPart(text.charAt(argumentOffset - 2))) {
argumentOffset--;
}
}
}
List<TemplateImpl> candidatesWithArgument =
findMatchingTemplates(text, argumentOffset, shortcutChar, templateSettings, true);
if (candidatesWithArgument.isEmpty() && candidatesWithoutArgument.isEmpty()) {
return null;
}
candidatesWithoutArgument =
filterApplicableCandidates(file, caretOffset, candidatesWithoutArgument);
candidatesWithArgument =
filterApplicableCandidates(file, argumentOffset, candidatesWithArgument);
Map<TemplateImpl, String> candidate2Argument = new HashMap<TemplateImpl, String>();
addToMap(candidate2Argument, candidatesWithoutArgument, null);
addToMap(candidate2Argument, candidatesWithArgument, argument);
return candidate2Argument;
}
public static List<TemplateImpl> findMatchingTemplates(
CharSequence text,
int caretOffset,
@Nullable Character shortcutChar,
TemplateSettings settings,
boolean hasArgument) {
List<TemplateImpl> candidates = Collections.emptyList();
for (int i = settings.getMaxKeyLength(); i >= 1; i--) {
int wordStart = caretOffset - i;
if (wordStart < 0) {
continue;
}
String key = text.subSequence(wordStart, caretOffset).toString();
if (Character.isJavaIdentifierStart(key.charAt(0))) {
if (wordStart > 0 && Character.isJavaIdentifierPart(text.charAt(wordStart - 1))) {
continue;
}
}
candidates = settings.collectMatchingCandidates(key, shortcutChar, hasArgument);
if (!candidates.isEmpty()) break;
}
return candidates;
}