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108 lines
1.8 KiB
108 lines
1.8 KiB
#pragma once
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#include "tool.h"
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#include <deque>
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#include <regex>
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class filter_numbers : public tool
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{
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std::optional<std::shared_ptr<tool>> n;
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tool_env me;
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std::deque<std::string> queue;
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bool filter_in = true;
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public:
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filter_numbers(tool_env t)
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: me{t}
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{}
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virtual void init(std::optional<std::shared_ptr<tool>> next)
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{
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n = next;
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if(me.find("reverse")!=me.end())
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filter_in = false;
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}
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virtual void execute()
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{
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if(has_queue())
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{
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std::string v = queue.front();
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queue.pop_front();
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bool point_sigil = false;
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auto it = v.begin();
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if(*it=='-' || *it=='+')
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{
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++it;
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}
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for(;it!=v.end();++it)
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{
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if(!isdigit(*it))
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{
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if(*it == '.')
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{
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if(point_sigil)
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{
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if(n.has_value() && !filter_in)
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n.value()->enqueue(v);
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return;
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}
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else
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{
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point_sigil = true;
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}
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}
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else
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{
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if(n.has_value() && !filter_in)
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n.value()->enqueue(v);
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return;
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}
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}
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}
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if(n.has_value() && filter_in)
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n.value()->enqueue(v);
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}
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}
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virtual void enqueue(std::string v)
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{
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queue.push_back(v);
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}
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virtual bool has_queue()
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{
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return queue.size()!=0;
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}
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};
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class filter_in : public tool
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{
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std::optional<std::shared_ptr<tool>> n;
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tool_env me;
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std::deque<std::string> queue;
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std::regex pattern;
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public:
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filter_in(tool_env t)
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: me{t}
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{}
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virtual void init(std::optional<std::shared_ptr<tool>> next)
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{
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n = next;
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pattern = std::regex(me["pattern"]);
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}
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virtual void execute()
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{
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if(has_queue())
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{
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if(n.has_value() && std::regex_match(queue.front(), pattern))
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n.value()->enqueue(queue.front());
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queue.pop_front();
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}
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}
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virtual void enqueue(std::string v)
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{
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queue.push_back(v);
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}
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virtual bool has_queue()
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{
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return queue.size()!=0;
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}
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};
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