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-rw-r--r--src/core/memory/cheat_engine.cpp41
-rw-r--r--src/core/memory/cheat_engine.h5
2 files changed, 21 insertions, 25 deletions
diff --git a/src/core/memory/cheat_engine.cpp b/src/core/memory/cheat_engine.cpp
index e503118dd..29284a42d 100644
--- a/src/core/memory/cheat_engine.cpp
+++ b/src/core/memory/cheat_engine.cpp
@@ -19,10 +19,24 @@
19#include "core/memory/cheat_engine.h" 19#include "core/memory/cheat_engine.h"
20 20
21namespace Core::Memory { 21namespace Core::Memory {
22 22namespace {
23constexpr auto CHEAT_ENGINE_NS = std::chrono::nanoseconds{1000000000 / 12}; 23constexpr auto CHEAT_ENGINE_NS = std::chrono::nanoseconds{1000000000 / 12};
24constexpr u32 KEYPAD_BITMASK = 0x3FFFFFF; 24constexpr u32 KEYPAD_BITMASK = 0x3FFFFFF;
25 25
26std::string_view ExtractName(std::string_view data, std::size_t start_index, char match) {
27 auto end_index = start_index;
28 while (data[end_index] != match) {
29 ++end_index;
30 if (end_index > data.size() ||
31 (end_index - start_index - 1) > sizeof(CheatDefinition::readable_name)) {
32 return {};
33 }
34 }
35
36 return data.substr(start_index, end_index - start_index);
37}
38} // Anonymous namespace
39
26StandardVmCallbacks::StandardVmCallbacks(Core::System& system, const CheatProcessMetadata& metadata) 40StandardVmCallbacks::StandardVmCallbacks(Core::System& system, const CheatProcessMetadata& metadata)
27 : metadata(metadata), system(system) {} 41 : metadata(metadata), system(system) {}
28 42
@@ -82,26 +96,9 @@ CheatParser::~CheatParser() = default;
82 96
83TextCheatParser::~TextCheatParser() = default; 97TextCheatParser::~TextCheatParser() = default;
84 98
85namespace { 99std::vector<CheatEntry> TextCheatParser::Parse(std::string_view data) const {
86template <char match>
87std::string_view ExtractName(std::string_view data, std::size_t start_index) {
88 auto end_index = start_index;
89 while (data[end_index] != match) {
90 ++end_index;
91 if (end_index > data.size() ||
92 (end_index - start_index - 1) > sizeof(CheatDefinition::readable_name)) {
93 return {};
94 }
95 }
96
97 return data.substr(start_index, end_index - start_index);
98}
99} // Anonymous namespace
100
101std::vector<CheatEntry> TextCheatParser::Parse(const Core::System& system,
102 std::string_view data) const {
103 std::vector<CheatEntry> out(1); 100 std::vector<CheatEntry> out(1);
104 std::optional<u64> current_entry = std::nullopt; 101 std::optional<u64> current_entry;
105 102
106 for (std::size_t i = 0; i < data.size(); ++i) { 103 for (std::size_t i = 0; i < data.size(); ++i) {
107 if (::isspace(data[i])) { 104 if (::isspace(data[i])) {
@@ -115,7 +112,7 @@ std::vector<CheatEntry> TextCheatParser::Parse(const Core::System& system,
115 return {}; 112 return {};
116 } 113 }
117 114
118 const auto name = ExtractName<'}'>(data, i + 1); 115 const auto name = ExtractName(data, i + 1, '}');
119 if (name.empty()) { 116 if (name.empty()) {
120 return {}; 117 return {};
121 } 118 }
@@ -132,7 +129,7 @@ std::vector<CheatEntry> TextCheatParser::Parse(const Core::System& system,
132 current_entry = out.size(); 129 current_entry = out.size();
133 out.emplace_back(); 130 out.emplace_back();
134 131
135 const auto name = ExtractName<']'>(data, i + 1); 132 const auto name = ExtractName(data, i + 1, ']');
136 if (name.empty()) { 133 if (name.empty()) {
137 return {}; 134 return {};
138 } 135 }
diff --git a/src/core/memory/cheat_engine.h b/src/core/memory/cheat_engine.h
index fa039a831..a31002346 100644
--- a/src/core/memory/cheat_engine.h
+++ b/src/core/memory/cheat_engine.h
@@ -47,8 +47,7 @@ class CheatParser {
47public: 47public:
48 virtual ~CheatParser(); 48 virtual ~CheatParser();
49 49
50 virtual std::vector<CheatEntry> Parse(const Core::System& system, 50 [[nodiscard]] virtual std::vector<CheatEntry> Parse(std::string_view data) const = 0;
51 std::string_view data) const = 0;
52}; 51};
53 52
54// CheatParser implementation that parses text files 53// CheatParser implementation that parses text files
@@ -56,7 +55,7 @@ class TextCheatParser final : public CheatParser {
56public: 55public:
57 ~TextCheatParser() override; 56 ~TextCheatParser() override;
58 57
59 std::vector<CheatEntry> Parse(const Core::System& system, std::string_view data) const override; 58 [[nodiscard]] std::vector<CheatEntry> Parse(std::string_view data) const override;
60}; 59};
61 60
62// Class that encapsulates a CheatList and manages its interaction with memory and CoreTiming 61// Class that encapsulates a CheatList and manages its interaction with memory and CoreTiming