logmeow/filters.h

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C
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#pragma once
#include <string>
#include <vector>
#include <memory>
#include <utility>
#include <nlohmann/json.hpp>
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#include "logcat_entry.h"
#include "pcre2_wrapper.h"
enum class FilterKey {
Buffer,
User,
PID,
TID,
Priority,
Tag,
Message,
};
class Filter {
public:
// https://stackoverflow.com/a/10024812
virtual ~Filter() = 0;
virtual void updated() = 0;
virtual bool disabled() const = 0;
virtual void disabled(bool disabled) = 0;
// https://stackoverflow.com/a/65344294
virtual std::unique_ptr<Filter> clone() const = 0;
virtual const std::string* error() const = 0;
virtual bool match(const LogcatEntry& entry) const = 0;
};
class IntegerFilter : public Filter {
public:
IntegerFilter(FilterKey key_, size_t other_, bool inverted_, bool disabled);
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void updated() override;
bool disabled() const override;
void disabled(bool disabled) override;
std::unique_ptr<Filter> clone() const override;
const std::string* error() const override;
bool match(const LogcatEntry& entry) const override;
FilterKey key;
size_t other;
bool inverted;
private:
bool _disabled;
};
class StringFilter : public Filter {
public:
// https://stackoverflow.com/a/2173764
StringFilter(const StringFilter&) = delete;
StringFilter& operator=(const StringFilter&) = delete;
StringFilter(FilterKey key_, std::string other_, bool inverted_, bool exact_match_, bool disabled);
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void updated() override;
bool disabled() const override;
void disabled(bool disabled) override;
std::unique_ptr<Filter> clone() const override;
const std::string* error() const override;
bool match(const LogcatEntry& entry) const override;
FilterKey key;
std::string other;
bool inverted;
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bool exact_match;
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private:
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bool _match_no_regex(const LogcatEntry& entry) const;
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std::string _error;
std::optional<Pcre2Regex> _regex;
bool _disabled;
};
class BufferFilter : public Filter {
public:
BufferFilter(unsigned int wanted_, bool disabled);
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void updated() override;
bool disabled() const override;
void disabled(bool disabled) override;
std::unique_ptr<Filter> clone() const override;
const std::string* error() const override;
bool match(const LogcatEntry& entry) const override;
unsigned int wanted;
private:
bool _disabled;
};
class PriorityFilter : public Filter {
public:
PriorityFilter(unsigned int wanted_, bool disabled = false);
void updated() override;
bool disabled() const override;
void disabled(bool disabled) override;
std::unique_ptr<Filter> clone() const override;
const std::string* error() const override;
bool match(const LogcatEntry& entry) const override;
unsigned int wanted;
private:
bool _disabled;
};
class GroupFilter : public Filter {
public:
enum class Type {
All = 0,
Any = 1,
One = 2,
None = 3,
};
GroupFilter(std::vector<std::unique_ptr<Filter>> filters_, Type type_, bool disabled);
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void updated() override;
bool disabled() const override;
void disabled(bool disabled) override;
std::unique_ptr<Filter> clone() const override;
const std::string* error() const override;
bool match(const LogcatEntry& entry) const override;
std::vector<std::unique_ptr<Filter>> filters;
Type type;
private:
bool _disabled;
};
typedef std::vector<std::pair<std::string, std::unique_ptr<Filter>>> Filters;
void copy_filters(Filters& filters, const Filters& other);
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bool matches(const LogcatEntry& entry, const Filters& filters, const Filters& exclusions);
void from_json(const nlohmann::json& j, FilterKey& key);
void to_json(nlohmann::json& j, const FilterKey& key);
void from_json(const nlohmann::json& j, GroupFilter::Type& type);
void to_json(nlohmann::json& j, const GroupFilter::Type& type);
void from_json(const nlohmann::json& j, std::unique_ptr<Filter>& filter);
void to_json(nlohmann::json& j, const std::unique_ptr<Filter>& filter);