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WIP: Native version of OnigRegExp.getCaptureTree. Not wired up yet or tested.

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This commit is contained in:
Nathan Sobo
2012-08-07 14:46:24 -06:00
parent 33b1c47844
commit bfb559e1c5
1 changed files with 33 additions and 0 deletions
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33
Atom/src/OnigRegexpExtension.mm
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@@ -37,6 +37,39 @@ public:
return resultArray;
}
CefRefPtr<CefV8Value> GetCaptureTree(CefRefPtr<CefV8Value> string, CefRefPtr<CefV8Value> index) {
OnigResult *result = [m_regex search:stringFromCefV8Value(string) start:index->GetIntValue()];
if ([result count] == 0) return CefV8Value::CreateNull();
return BuildCaptureTree(result);
}
CefRefPtr<CefV8Value> BuildCaptureTree(OnigResult *result) {
int currentIndex = 0;
return BuildCaptureTree(result, currentIndex);
}
CefRefPtr<CefV8Value> BuildCaptureTree(OnigResult *result, int &currentIndex) {
int index = currentIndex++;
NSString *text = [result stringAt:index];
int startPosition = [result locationAt:index];
int endPosition = startPosition + [text length];
CefRefPtr<CefV8Value> childCaptures;
while (currentIndex < [result count] && [result locationAt:currentIndex] < endPosition) {
if ([result lengthAt:currentIndex] == 0) continue;
if (!childCaptures.get()) childCaptures = CefV8Value::CreateArray();
childCaptures->SetValue(childCaptures->GetArrayLength(), BuildCaptureTree(result));
}
CefRefPtr<CefV8Value> tree = CefV8Value::CreateObject(NULL, NULL);
tree->SetValue("index", CefV8Value::CreateInt(index), V8_PROPERTY_ATTRIBUTE_NONE);
tree->SetValue("text", CefV8Value::CreateString([text UTF8String]), V8_PROPERTY_ATTRIBUTE_NONE);
tree->SetValue("position", CefV8Value::CreateInt(startPosition), V8_PROPERTY_ATTRIBUTE_NONE);
if (childCaptures.get()) tree->SetValue("captures", childCaptures, V8_PROPERTY_ATTRIBUTE_NONE);
return tree;
}
CefRefPtr<CefV8Value> CaptureCount() {
return CefV8Value::CreateInt([m_regex captureCount]);
}