Mercurial > foo_out_sdl

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

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
*: check in everything else yay
author Paper <paper@tflc.us>
date Mon, 05 Jan 2026 02:15:46 -0500
parents
children
comparison
equal deleted inserted replaced
0:e9bb126753e7 1:20d02a178406
1 #pragma once
2 #include <memory>
3 #include "pp-COM-macros.h"
4
5 namespace PP {
6
7 class CEnumString : public IEnumString {
8 public:
9 typedef pfc::chain_list_v2_t<pfc::array_t<TCHAR> > t_data;
10
11
12 struct shared_t {
13 t_data m_data;
14 pfc::mutex m_sync;
15 };
16 typedef std::shared_ptr<shared_t> shared_ptr_t;
17
18 CEnumString(t_data && in) {
19 m_shared = std::make_shared<shared_t>();
20 m_shared->m_data = std::move(in);
21 myReset();
22 }
23 CEnumString(const t_data & in) {
24 m_shared = std::make_shared<shared_t>();
25 m_shared->m_data = in;
26 myReset();
27 }
28 CEnumString() {
29 m_shared = std::make_shared< shared_t >();
30 }
31
32 void SetStrings(t_data && data) {
33 PFC_INSYNC(m_shared->m_sync);
34 m_shared->m_data = std::move(data);
35 myReset();
36 }
37
38 static pfc::array_t<TCHAR> stringToBuffer(const char * in) {
39 pfc::array_t<TCHAR> arr;
40 arr.set_size(pfc::stringcvt::estimate_utf8_to_wide(in));
41 pfc::stringcvt::convert_utf8_to_wide_unchecked(arr.get_ptr(), in);
42 return arr;
43 }
44
45 void AddString(const TCHAR * in) {
46 PFC_INSYNC(m_shared->m_sync);
47 m_shared->m_data.insert_last()->set_data_fromptr(in, _tcslen(in) + 1);
48 myReset();
49 }
50 void AddStringU(const char * in, t_size len) {
51 PFC_INSYNC(m_shared->m_sync);
52 pfc::array_t<TCHAR> & arr = *m_shared->m_data.insert_last();
53 arr.set_size(pfc::stringcvt::estimate_utf8_to_wide(in, len));
54 pfc::stringcvt::convert_utf8_to_wide(arr.get_ptr(), arr.get_size(), in, len);
55 myReset();
56 }
57 void AddStringU(const char * in) {
58 PFC_INSYNC(m_shared->m_sync);
59 *m_shared->m_data.insert_last() = stringToBuffer(in);
60 myReset();
61 }
62 void ResetStrings() {
63 PFC_INSYNC(m_shared->m_sync);
64 m_shared->m_data.remove_all();
65 myReset();
66 }
67
68 typedef ImplementCOMRefCounter<CEnumString> TImpl;
69 COM_QI_BEGIN()
70 COM_QI_ENTRY(IUnknown)
71 COM_QI_ENTRY(IEnumString)
72 COM_QI_END()
73
74 HRESULT STDMETHODCALLTYPE Next(ULONG celt, LPOLESTR *rgelt, ULONG *pceltFetched) override {
75 PFC_INSYNC(m_shared->m_sync);
76 if (rgelt == NULL) return E_INVALIDARG;
77 ULONG done = 0;
78 while (done < celt && m_walk.is_valid()) {
79 rgelt[done] = CoStrDup(m_walk->get_ptr());
80 ++m_walk; ++done;
81 }
82 if (pceltFetched != NULL) *pceltFetched = done;
83 return done == celt ? S_OK : S_FALSE;
84 }
85
86 HRESULT STDMETHODCALLTYPE Skip(ULONG celt) override {
87 PFC_INSYNC(m_shared->m_sync);
88 while (celt > 0) {
89 if (m_walk.is_empty()) return S_FALSE;
90 --celt; ++m_walk;
91 }
92 return S_OK;
93 }
94
95 HRESULT STDMETHODCALLTYPE Reset() override {
96 PFC_INSYNC(m_shared->m_sync);
97 myReset();
98 return S_OK;
99 }
100
101 HRESULT STDMETHODCALLTYPE Clone(IEnumString **ppenum) override {
102 PFC_INSYNC(m_shared->m_sync);
103 *ppenum = new TImpl(*this); return S_OK;
104 }
105 private:
106 void myReset() { m_walk = m_shared->m_data.first(); }
107
108 static TCHAR * CoStrDup(const TCHAR * in) {
109 const size_t lenBytes = (_tcslen(in) + 1) * sizeof(TCHAR);
110 TCHAR * out = reinterpret_cast<TCHAR*>(CoTaskMemAlloc(lenBytes));
111 if (out) memcpy(out, in, lenBytes);
112 return out;
113 }
114
115 shared_ptr_t m_shared;
116 t_data::const_iterator m_walk;
117 };
118 }