61 lines
1.4 KiB
C++
61 lines
1.4 KiB
C++
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#include "command_manager.hh"
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#include "utils.hh"
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#include <algorithm>
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namespace Kakoune
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{
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void CommandManager::register_command(const std::string& command_name, Command command)
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{
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m_commands[command_name] = command;
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}
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void CommandManager::register_command(const std::vector<std::string>& command_names, Command command)
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{
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for (auto command_name : command_names)
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register_command(command_name, command);
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}
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static std::vector<std::string> split(const std::string& line)
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{
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std::vector<std::string> result;
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size_t pos = 0;
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while (pos != line.length())
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{
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while(line[pos] == ' ' and pos != line.length())
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++pos;
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size_t token_start = pos;
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while((line[pos] != ' ' or line[pos-1] == '\\') and pos != line.length())
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++pos;
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result.push_back(line.substr(token_start, pos - token_start));
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}
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return result;
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}
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struct command_not_found : public std::runtime_error
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{
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command_not_found(const std::string& what)
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: std::runtime_error("command not found: " + what) {}
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};
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void CommandManager::execute(const std::string& command_line)
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{
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std::vector<std::string> tokens = split(command_line);
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if (tokens.empty())
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return;
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auto command_it = m_commands.find(tokens[0]);
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if (command_it == m_commands.end())
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throw command_not_found(tokens[0]);
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CommandParameters params(tokens.begin() + 1, tokens.end());
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command_it->second(params);
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}
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}
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