Chee Yee
64 lines
2.1 KiB
C++
64 lines
2.1 KiB
C++
#include <cstring>
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#include "sfo.h"
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static constexpr uint32_t SFO_MAGIC = 0x46535000;
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namespace SFO {
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const char* GetString(const char* buffer, size_t size, const char *name)
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{
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if (size < sizeof(SfoHeader))
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return nullptr;
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const SfoHeader* header = reinterpret_cast<const SfoHeader*>(buffer);
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const SfoEntry* entries =
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reinterpret_cast<const SfoEntry*>(buffer + sizeof(SfoHeader));
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if (header->magic != SFO_MAGIC)
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return nullptr;
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if (size < sizeof(SfoHeader) + header->count * sizeof(SfoEntry))
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return nullptr;
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for (uint32_t i = 0; i < header->count; i++) {
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const char* key = reinterpret_cast<const char*>(buffer + header->keyofs + entries[i].nameofs);
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if (strcmp(key, name) == 0)
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return reinterpret_cast<const char*>(buffer + header->valofs + entries[i].dataofs);
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}
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return {};
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}
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std::map<std::string, std::string> GetParams(const char* buffer, size_t size)
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{
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std::map<std::string, std::string> out;
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if (size < sizeof(SfoHeader))
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return out;
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const SfoHeader* header = reinterpret_cast<const SfoHeader*>(buffer);
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const SfoEntry* entries =
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reinterpret_cast<const SfoEntry*>(buffer + sizeof(SfoHeader));
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if (header->magic != SFO_MAGIC)
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return out;
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if (size < sizeof(SfoHeader) + header->count * sizeof(SfoEntry))
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return out;
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for (uint32_t i = 0; i < header->count; i++) {
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const char* key = reinterpret_cast<const char*>(buffer + header->keyofs + entries[i].nameofs);
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if (entries[i].type == 2)
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{
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const char* value = reinterpret_cast<const char*>(buffer + header->valofs + entries[i].dataofs);
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out.insert(std::make_pair(key, value));
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}
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else
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{
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uint32_t *value = (uint32_t *)(buffer + header->valofs + entries[i].dataofs);
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out.insert(std::make_pair(key, std::to_string(*value)));
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}
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}
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return out;
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}
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} |