Remove unused class CommandLineInterpreter.

Universal/CMakeLists.txt

@@ -3,7 +3,6 @@ find_package(Boost REQUIRED COMPONENTS log log_setup program_options)
 add_library(Universal
     BoostLog.h BoostLog.inl BoostLog.cpp
     BufferUtility.h BufferUtility.cpp
-    CommandLineInterpreter.h CommandLineInterpreter.cpp
     DateTime.h DateTime.cpp
     FunctionTraits.h
     IoContext.h IoContext.cpp

Universal/CommandLineInterpreter.cpp

@@ -1,101 +0,0 @@
-#include "CommandLineInterpreter.h"
-#include "BoostLog.h"
-#include <boost/program_options/parsers.hpp>
-#include <boost/program_options/variables_map.hpp>
-#include <iostream>
-
-CommandLineInterpreter::CommandLineInterpreter(const DescriptionPointer &description, const std::string &prompt)
-    : m_description(description), m_prompt(prompt) {}
-
-void CommandLineInterpreter::interpret(std::istream &inputStream) {
-    std::string command;
-    std::cout << m_prompt << std::flush;
-
-    while (std::getline(inputStream, command, '\n')) {
-        handleReadLine(command);
-        std::cout << m_prompt << std::flush;
-    }
-}
-
-void CommandLineInterpreter::handleReadLine(std::string line) {
-    using namespace boost::program_options;
-    if (m_description.expired()) {
-        LOG(error) << "description has expired.";
-        return;
-    }
-    auto description = m_description.lock();
-    std::vector<std::string> args;
-
-    // huu, ugly...
-    args = splitCommandLine(std::string("--") + line);
-
-    try {
-        variables_map vm;
-        store(command_line_parser(args).options(*description).run(), vm);
-        notify(vm);
-    } catch (boost::program_options::unknown_option &e) {
-        std::cerr << "error: " << e.what() << std::endl;
-    } catch (boost::program_options::invalid_command_line_syntax &e) {
-        std::cerr << "error: " << e.what() << std::endl;
-    } catch (boost::program_options::validation_error &e) {
-        std::cerr << "error: " << e.what() << std::endl;
-    }
-}
-
-std::vector<std::string> CommandLineInterpreter::splitCommandLine(const std::string &input) {
-    std::vector<std::string> result;
-
-    std::string::const_iterator i = input.begin(), e = input.end();
-    for (; i != e; ++i)
-        if (!isspace((unsigned char)*i)) break;
-
-    if (i != e) {
-        std::string current;
-        bool inside_quoted = false;
-        int backslash_count = 0;
-
-        for (; i != e; ++i) {
-            if (*i == '"') {
-                // '"' preceded by even number (n) of backslashes generates
-                // n/2 backslashes and is a quoted block delimiter
-                if (backslash_count % 2 == 0) {
-                    current.append(backslash_count / 2, '\\');
-                    inside_quoted = !inside_quoted;
-                    // '"' preceded by odd number (n) of backslashes generates
-                    // (n-1)/2 backslashes and is literal quote.
-                } else {
-                    current.append(backslash_count / 2, '\\');
-                    current += '"';
-                }
-                backslash_count = 0;
-            } else if (*i == '\\') {
-                ++backslash_count;
-            } else {
-                // Not quote or backslash. All accumulated backslashes should be
-                // added
-                if (backslash_count) {
-                    current.append(backslash_count, '\\');
-                    backslash_count = 0;
-                }
-                if (isspace((unsigned char)*i) && !inside_quoted) {
-                    // Space outside quoted section terminate the current argument
-                    result.push_back(current);
-                    current.resize(0);
-                    for (; i != e && isspace((unsigned char)*i); ++i)
-                        ;
-                    --i;
-                } else {
-                    current += *i;
-                }
-            }
-        }
-
-        // If we have trailing backslashes, add them
-        if (backslash_count) current.append(backslash_count, '\\');
-
-        // If we have non-empty 'current' or we're still in quoted
-        // section (even if 'current' is empty), add the last token.
-        if (!current.empty() || inside_quoted) result.push_back(current);
-    }
-    return result;
-}

Universal/CommandLineInterpreter.h

@@ -1,23 +0,0 @@
-#ifndef COMMANDLINEINTERPRETER_H
-#define COMMANDLINEINTERPRETER_H
-
-#include <boost/program_options/options_description.hpp>
-#include <memory>
-
-class CommandLineInterpreter {
-public:
-    using DescriptionPointer = std::shared_ptr<boost::program_options::options_description>;
-    using DescriptionWeakPointer = std::weak_ptr<boost::program_options::options_description>;
-    CommandLineInterpreter(const DescriptionPointer &description, const std::string &prompt);
-    void interpret(std::istream &inputStream);
-
-protected:
-    void handleReadLine(std::string line);
-    static std::vector<std::string> splitCommandLine(const std::string &input);
-
-private:
-    const DescriptionWeakPointer m_description;
-    std::string m_prompt;
-};
-
-#endif // COMMANDLINEINTERPRETER_H