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comparison foosdk/sdk/foobar2000/SDK/hasher_md5.h @ 1:20d02a178406 default tip

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*: check in everything else yay
author Paper <paper@tflc.us>
date Mon, 05 Jan 2026 02:15:46 -0500
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0:e9bb126753e7 1:20d02a178406
1 #pragma once
2 #include "filesystem.h" // FB2K_STREAM_READER_OVERLOAD, FB2K_STREAM_WRITER_OVERLOAD
3
4 struct hasher_md5_state {
5 char m_data[128];
6 };
7
8 struct hasher_md5_result {
9 char m_data[16];
10
11 t_uint64 xorHalve() const;
12 GUID asGUID() const;
13 pfc::string8 asString() const;
14 pfc::string8 toString() const { return asString(); }
15 GUID toGUID() const;
16
17 static hasher_md5_result null() {hasher_md5_result h = {}; return h;}
18 static int compare(hasher_md5_result const & h1, hasher_md5_result const & h2) { return memcmp(&h1, &h2, sizeof(hasher_md5_result)); }
19 };
20
21 FB2K_STREAM_READER_OVERLOAD(hasher_md5_result) {
22 stream.read_raw(&value, sizeof(value)); return stream;
23 }
24 FB2K_STREAM_WRITER_OVERLOAD(hasher_md5_result) {
25 stream.write_raw(&value, sizeof(value)); return stream;
26 }
27
28 inline bool operator==(const hasher_md5_result & p_item1,const hasher_md5_result & p_item2) {return memcmp(&p_item1,&p_item2,sizeof(hasher_md5_result)) == 0;}
29 inline bool operator!=(const hasher_md5_result & p_item1,const hasher_md5_result & p_item2) {return memcmp(&p_item1,&p_item2,sizeof(hasher_md5_result)) != 0;}
30 inline bool operator>(const hasher_md5_result & p_item1, const hasher_md5_result & p_item2) { return memcmp(&p_item1, &p_item2, sizeof(hasher_md5_result)) > 0; }
31 inline bool operator<(const hasher_md5_result & p_item1, const hasher_md5_result & p_item2) { return memcmp(&p_item1, &p_item2, sizeof(hasher_md5_result)) < 0; }
32
33 namespace pfc {
34 template<> class traits_t<hasher_md5_state> : public traits_rawobject {};
35 template<> class traits_t<hasher_md5_result> : public traits_rawobject {};
36
37 template<> inline int compare_t(const hasher_md5_result & p_item1, const hasher_md5_result & p_item2) {
38 return memcmp(&p_item1, &p_item2, sizeof(hasher_md5_result));
39 }
40
41 }
42
43 class NOVTABLE hasher_md5 : public service_base
44 {
45 public:
46
47 virtual void initialize(hasher_md5_state & p_state) = 0;
48 virtual void process(hasher_md5_state & p_state,const void * p_buffer,t_size p_bytes) = 0;
49 virtual hasher_md5_result get_result(const hasher_md5_state & p_state) = 0;
50
51
52 static GUID guid_from_result(const hasher_md5_result & param);
53
54 hasher_md5_result process_single(const void * p_buffer,t_size p_bytes);
55 hasher_md5_result process_single_string(const char * str) {return process_single(str, strlen(str));}
56 GUID process_single_guid(const void * p_buffer,t_size p_bytes);
57 GUID get_result_guid(const hasher_md5_state & p_state) {return guid_from_result(get_result(p_state));}
58
59
60 //! Helper
61 void process_string(hasher_md5_state & p_state,const char * p_string,t_size p_length = ~0) {return process(p_state,p_string,pfc::strlen_max(p_string,p_length));}
62 hasher_md5_state initialize() { hasher_md5_state ret; initialize(ret); return ret; }
63
64 FB2K_MAKE_SERVICE_COREAPI(hasher_md5);
65 };
66
67
68 class stream_writer_hasher_md5 : public stream_writer {
69 public:
70 stream_writer_hasher_md5() {
71 m_hasher->initialize(m_state);
72 }
73 void write(const void * p_buffer,t_size p_bytes,abort_callback & p_abort) {
74 p_abort.check();
75 m_hasher->process(m_state,p_buffer,p_bytes);
76 }
77 hasher_md5_result result() const {
78 return m_hasher->get_result(m_state);
79 }
80 GUID resultGuid() const {
81 return hasher_md5::guid_from_result(result());
82 }
83 private:
84 hasher_md5_state m_state;
85 const hasher_md5::ptr m_hasher = hasher_md5::get();
86 };
87
88 template<bool isBigEndian = false>
89 class stream_formatter_hasher_md5 : public stream_writer_formatter<isBigEndian> {
90 public:
91 stream_formatter_hasher_md5() : stream_writer_formatter<isBigEndian>(_m_stream,fb2k::noAbort) {}
92
93 hasher_md5_result result() const {
94 return _m_stream.result();
95 }
96 GUID resultGuid() const {
97 return hasher_md5::guid_from_result(result());
98 }
99 private:
100 stream_writer_hasher_md5 _m_stream;
101 };