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63 lines
1006 B
63 lines
1006 B
#pragma once
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#include <vector>
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#include <map>
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#include <string>
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#include <utility>
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#include <iostream>
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namespace csv {
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struct cell_id {
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size_t x,y;
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bool operator<(const cell_id& oth) {
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if (y < oth.y) return true;
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if (x < oth.x) return true;
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return false;
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};
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};
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cell_id get_coords_from_id(const std::string_view id) {
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size_t x = 0;
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size_t y = 0;
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auto c = id.begin();
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while(*c < 'A' || *c > 'Z')
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{
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x += *c-'A';
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x *= 26;
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c++;
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}
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x /= 26;
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while(*c < '0' || *c > '9')
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{
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y += *c-'0';
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y *= 10;
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c++;
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}
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y /= 10;
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cell_id ret;
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ret.x = x;
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ret.y = y;
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return ret;
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}
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class context;
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class cell {
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public:
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std::string data = "";
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mutable std::string computed_value = "";
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mutable std::string display_value = "";
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void eval(const context& ctx);
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};
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class context {
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public:
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std::map<cell_id, cell> data;
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const cell& operator[] (const std::string_view id) const {
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auto coords = get_coords_from_id(id);
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return data[coords];
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}
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};
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}
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