diff foosdk/sdk/libPPUI/CEnumString.h @ 1:20d02a178406 default tip

*: check in everything else yay
author Paper <paper@tflc.us>
date Mon, 05 Jan 2026 02:15:46 -0500
parents
children
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/foosdk/sdk/libPPUI/CEnumString.h	Mon Jan 05 02:15:46 2026 -0500
@@ -0,0 +1,118 @@
+#pragma once
+#include <memory>
+#include "pp-COM-macros.h"
+
+namespace PP {
+
+	class CEnumString : public IEnumString {
+	public:
+		typedef pfc::chain_list_v2_t<pfc::array_t<TCHAR> > t_data;
+
+
+		struct shared_t {
+			t_data m_data;
+			pfc::mutex m_sync;
+		};
+		typedef std::shared_ptr<shared_t> shared_ptr_t;
+
+		CEnumString(t_data && in) {
+			m_shared = std::make_shared<shared_t>();
+			m_shared->m_data = std::move(in);
+			myReset();
+		}
+		CEnumString(const t_data & in) { 
+			m_shared = std::make_shared<shared_t>();
+			m_shared->m_data = in;
+			myReset();
+		}
+		CEnumString() {
+			m_shared = std::make_shared< shared_t >();
+		}
+
+		void SetStrings(t_data && data) {
+			PFC_INSYNC(m_shared->m_sync);
+			m_shared->m_data = std::move(data);
+			myReset();
+		}
+
+		static pfc::array_t<TCHAR> stringToBuffer(const char * in) {
+			pfc::array_t<TCHAR> arr;
+			arr.set_size(pfc::stringcvt::estimate_utf8_to_wide(in));
+			pfc::stringcvt::convert_utf8_to_wide_unchecked(arr.get_ptr(), in);
+			return arr;
+		}
+
+		void AddString(const TCHAR * in) {
+			PFC_INSYNC(m_shared->m_sync);
+			m_shared->m_data.insert_last()->set_data_fromptr(in, _tcslen(in) + 1);
+			myReset();
+		}
+		void AddStringU(const char * in, t_size len) {
+			PFC_INSYNC(m_shared->m_sync);
+			pfc::array_t<TCHAR> & arr = *m_shared->m_data.insert_last();
+			arr.set_size(pfc::stringcvt::estimate_utf8_to_wide(in, len));
+			pfc::stringcvt::convert_utf8_to_wide(arr.get_ptr(), arr.get_size(), in, len);
+			myReset();
+		}
+		void AddStringU(const char * in) {
+			PFC_INSYNC(m_shared->m_sync);
+			*m_shared->m_data.insert_last() = stringToBuffer(in);
+			myReset();
+		}
+		void ResetStrings() {
+			PFC_INSYNC(m_shared->m_sync);
+			m_shared->m_data.remove_all();
+			myReset();
+		}
+
+		typedef ImplementCOMRefCounter<CEnumString> TImpl;
+		COM_QI_BEGIN()
+			COM_QI_ENTRY(IUnknown)
+			COM_QI_ENTRY(IEnumString)
+		COM_QI_END()
+
+		HRESULT STDMETHODCALLTYPE Next(ULONG celt, LPOLESTR *rgelt, ULONG *pceltFetched) override {
+			PFC_INSYNC(m_shared->m_sync);
+			if (rgelt == NULL) return E_INVALIDARG;
+			ULONG done = 0;
+			while (done < celt && m_walk.is_valid()) {
+				rgelt[done] = CoStrDup(m_walk->get_ptr());
+				++m_walk; ++done;
+			}
+			if (pceltFetched != NULL) *pceltFetched = done;
+			return done == celt ? S_OK : S_FALSE;
+		}
+
+		HRESULT STDMETHODCALLTYPE Skip(ULONG celt) override {
+			PFC_INSYNC(m_shared->m_sync);
+			while (celt > 0) {
+				if (m_walk.is_empty()) return S_FALSE;
+				--celt; ++m_walk;
+			}
+			return S_OK;
+		}
+
+		HRESULT STDMETHODCALLTYPE Reset() override {
+			PFC_INSYNC(m_shared->m_sync);
+			myReset();
+			return S_OK;
+		}
+
+		HRESULT STDMETHODCALLTYPE Clone(IEnumString **ppenum) override {
+			PFC_INSYNC(m_shared->m_sync);
+			*ppenum = new TImpl(*this); return S_OK;
+		}
+	private:
+		void myReset() { m_walk = m_shared->m_data.first(); }
+
+		static TCHAR * CoStrDup(const TCHAR * in) {
+			const size_t lenBytes = (_tcslen(in) + 1) * sizeof(TCHAR);
+			TCHAR * out = reinterpret_cast<TCHAR*>(CoTaskMemAlloc(lenBytes));
+			if (out) memcpy(out, in, lenBytes);
+			return out;
+		}
+
+		shared_ptr_t m_shared;
+		t_data::const_iterator m_walk;
+	};
+}