95 lines
2.0 KiB
C++
95 lines
2.0 KiB
C++
#pragma once
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#include "internal/vase/vase.h"
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#include "pch.h"
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namespace crib::commands::ed {
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struct ed_error : std::runtime_error {
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ed_error(const char *msg) : std::runtime_error(msg) {}
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};
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struct Command {
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enum struct Type : uint8_t {
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Invalid,
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Quit,
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ForceQuit,
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PromptToggle,
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HelpToggle,
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Help,
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Print,
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Number,
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Append,
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Insert,
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Change,
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Delete,
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Write,
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Edit,
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ForceEdit,
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Filename,
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Dump,
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None
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} type;
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struct Address {
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enum struct Type : uint8_t {
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None,
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Current,
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Last,
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Number,
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Mark,
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SearchForward,
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SearchBackward
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} type;
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int64_t number = 0;
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std::string regex = "";
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int64_t offset = 0;
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char mark = '\0';
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};
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Address start{};
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Address end{};
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static constexpr uint8_t SEMICOLON = 0b01;
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static constexpr uint8_t RANGE = 0b10;
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uint8_t address_flags = 0;
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char suffix = '\0';
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std::string argument;
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};
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struct Ed {
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crib::internal::vase::Vase vase;
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uint64_t line = 0;
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bool modified = false;
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bool quitting = false;
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bool editing = false;
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uint64_t marks[26]{0};
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std::string last_regex = "";
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bool help_mode = false;
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bool suppress_mode = false;
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bool prompt_mode = false;
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std::string prompt = "*";
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std::filesystem::path save_path = "";
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std::string last_message = "";
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Ed(std::string file_path, bool suppress_mode, std::string prompt_)
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: vase("/tmp"), suppress_mode(suppress_mode), prompt(prompt_) {
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if (prompt == "")
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prompt = "*";
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else
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prompt_mode = true;
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if (file_path != "")
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handle("E " + file_path, false);
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}
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void parse_address(std::string_view cmd, uint64_t &i, Command::Address &addr);
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void resolve_address(Command::Address addr, uint64_t *out_line);
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Command parse(std::string cmd, bool eof);
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void append(std::string text, uint64_t line);
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void remove(uint64_t start_line, uint64_t end_line);
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bool handle(std::string cmd, bool eof);
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};
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std::string summary();
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void help();
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void run(std::vector<std::string>);
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} // namespace crib::commands::ed
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