public static TemplateVariable findVariable(
final TemplateBuffer buffer, final String variableType) {
final TemplateVariable[] variables = buffer.getVariables();
for (final TemplateVariable cand : variables) {
if (variableType.equals(cand.getType())) {
return cand;
}
}
return null;
}
private int getCursorOffset(TemplateBuffer buffer) {
TemplateVariable[] variables = buffer.getVariables();
for (int i = 0; i != variables.length; i++) {
TemplateVariable variable = variables[i];
if (variable.getType().equals(GlobalTemplateVariables.Cursor.NAME))
return variable.getOffsets()[0];
}
return buffer.getString().length();
}
@Override
public void resolve(final TemplateBuffer buffer, final TemplateContext context)
throws MalformedTreeException, BadLocationException {
Assert.isNotNull(context);
final TemplateVariable[] variables = buffer.getVariables();
final IDocument document = new Document(buffer.getString());
final List<TextEdit> positions = TemplatesUtil.variablesToPositions(variables);
final List<TextEdit> edits = new ArrayList<>(5);
// iterate over all variables and try to resolve them
for (int i = 0; i != variables.length; i++) {
final TemplateVariable variable = variables[i];
if (variable.isUnambiguous()) {
continue;
}
// remember old values
final int[] oldOffsets = variable.getOffsets();
final int oldLength = variable.getLength();
final String oldValue = variable.getDefaultValue();
final String type = variable.getType();
TemplateVariableResolver resolver = getResolver(type);
if (resolver == null) {
resolver = new TemplateVariableResolver();
resolver.setType(type);
}
resolver.resolve(variable, context);
final String value = variable.getDefaultValue();
final String[] ln = document.getLegalLineDelimiters();
final boolean multiLine = (TextUtilities.indexOf(ln, value, 0)[0] != -1);
if (!oldValue.equals(value)) {
// update buffer to reflect new value
for (int k = 0; k != oldOffsets.length; k++) {
String thisValue = value;
if (multiLine) {
final String indent = TemplatesUtil.searchIndentation(document, oldOffsets[k]);
if (indent.length() > 0) {
final StringBuilder temp = new StringBuilder(thisValue);
int offset = 0;
while (true) {
final int[] search = TextUtilities.indexOf(ln, temp.toString(), offset);
if (search[0] == -1) {
break;
}
offset = search[0] + ln[search[1]].length();
temp.insert(offset, indent);
offset += indent.length();
}
thisValue = temp.toString();
}
}
edits.add(new ReplaceEdit(oldOffsets[k], oldLength, thisValue));
}
}
}
final MultiTextEdit edit = new MultiTextEdit(0, document.getLength());
edit.addChildren(positions.toArray(new TextEdit[positions.size()]));
edit.addChildren(edits.toArray(new TextEdit[edits.size()]));
edit.apply(document, TextEdit.UPDATE_REGIONS);
TemplatesUtil.positionsToVariables(positions, variables);
buffer.setContent(document.get(), variables);
}
