73 lines
2.0 KiB
C++
73 lines
2.0 KiB
C++
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#pragma once
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#include <map>
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#include <mix_cc/json.h>
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#include <string>
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struct VarsCache {
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public:
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void init(const std::vector<std::string> &tags, size_t _pv_num = 6) {
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m_tags = tags;
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tag_num = tags.size();
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pv_num = _pv_num;
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// 预分配所有 key
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p_keys.resize(tag_num);
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tag_keys.resize(tag_num);
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pv_keys.resize(tag_num); // 每个元素是 pv_num 个 key 的数组
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for (size_t i = 0; i < tag_num; ++i) {
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auto &x = tags[i];
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int item_index = stoi(x.substr(3));
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p_keys[i] = "p" + std::to_string(item_index);
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tag_keys[i] = "tag" + std::to_string(item_index);
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// 预分配 pv 滑动窗口的 key
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pv_keys[i].resize(pv_num);
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for (int j = 0; j < pv_num; ++j) {
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pv_keys[i][j] =
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"pv" + std::to_string(item_index) + "_" + std::to_string(j);
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}
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}
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}
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void init(size_t _tag_num, size_t _pv_num = 6) {
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tag_num = _tag_num;
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pv_num = _pv_num;
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// 预分配所有 key
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p_keys.resize(tag_num);
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tag_keys.resize(tag_num);
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pv_keys.resize(tag_num); // 每个元素是 pv_num 个 key 的数组
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m_tags.resize(tag_num);
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for (size_t i = 0; i < tag_num; ++i) {
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int item_index = i + 1;
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m_tags[i] = "tag" + std::to_string(item_index);
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p_keys[i] = "p" + std::to_string(item_index);
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tag_keys[i] = "tag" + std::to_string(item_index);
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// 预分配 pv 滑动窗口的 key
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pv_keys[i].resize(pv_num);
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for (int j = 0; j < pv_num; ++j) {
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pv_keys[i][j] =
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"pv" + std::to_string(item_index) + "_" + std::to_string(j);
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}
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}
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}
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std::string dumps() {
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mix_cc::json js1;
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js1["tag_num"] = tag_num;
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js1["pv_num"] = pv_num;
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js1["p_keys"] = p_keys;
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js1["tag_keys"] = tag_keys;
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js1["pv_keys"] = pv_keys;
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js1["m_tags"] = m_tags;
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return js1.dump();
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}
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public:
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size_t tag_num;
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size_t pv_num;
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std::vector<std::string> p_keys;
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std::vector<std::string> tag_keys;
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std::vector<std::vector<std::string>> pv_keys; // [tag_index][window_index]
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std::vector<std::string> m_tags;
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};
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