git_diff_function.hpp

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#pragma once
 
#include <string>
#include <vector>
 
#include <arkanjo/base/path.hpp>
#include <arkanjo/base/similarity_table.hpp>
#include <arkanjo/commands/command_base.hpp>
 
class GitDiffFunction : public CommandBase<GitDiffFunction> {
  public:
    static constexpr CliOption options_[] = {
        {"first_function", 0, PositionalArgument, "First function name pattern."},
        {"second_function", 0, PositionalArgument, "Second function name pattern."},
        OPTION_END
    };
    COMMAND_DESCRIPTION("Show a git-style diff for two duplicate functions found by the tool.")
 
    explicit GitDiffFunction(Similarity_Table* _similarity_table);
 
    bool validate(const ParsedOptions& options) override;
    bool run(const ParsedOptions& options) override;
 
  private:
    Similarity_Table* similarity_table;
 
    std::vector<Path> find_matching_paths(const std::string& pattern) const;
    const std::string format_pattern(const std::string& pattern) const;
    Path choose_single_path(const std::vector<Path>& candidates, const std::string& pattern) const;
    bool diff_functions(const Path& first, const Path& second) const;
    static std::string build_text_from_lines(const std::vector<std::string>& lines);
};