cmd_option_value.cpp

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/*
 * cmd_option_value.cpp
 *
 *  Created on: 2011-12-29
 *      Author: OWenT
 *
 * 应用程序命令处理
 *
 */
 
#include "cli/cmd_option_value.h"
#include <algorithm>
 
namespace util {
namespace cli {
 
namespace detail {
static char tolower(char c) {
  if (c >= 'A' && c <= 'Z') {
    return c - 'A' + 'a';
  }
 
  return c;
}
}  // namespace detail
 
cmd_option_value::cmd_option_value(const char *str_data) : data_(str_data) {}
cmd_option_value::cmd_option_value(const char *begin, const char *end) { data_.assign(begin, end); }
cmd_option_value::cmd_option_value(const std::string &str_data) { data_ = str_data; }
 
const std::string &cmd_option_value::to_cpp_string() const { return data_; }
 
bool cmd_option_value::to_bool() const { return to<bool>(); }
 
char cmd_option_value::to_char() const { return to<char>(); }
 
short cmd_option_value::to_short() const { return to<short>(); }
 
int cmd_option_value::to_int() const { return to<int>(); }
 
long cmd_option_value::to_long() const { return to<long>(); }
 
long long cmd_option_value::to_longlong() const { return to<long long>(); }
 
double cmd_option_value::to_double() const { return to<double>(); }
 
float cmd_option_value::to_float() const { return to<float>(); }
 
const char *cmd_option_value::to_string() const { return data_.c_str(); }
 
// ============ unsigned ============
unsigned char cmd_option_value::to_uchar() const { return to<unsigned char>(); }
 
unsigned short cmd_option_value::to_ushort() const { return to<unsigned short>(); }
 
unsigned int cmd_option_value::to_uint() const { return to<unsigned int>(); }
 
unsigned long cmd_option_value::to_ulong() const { return to<unsigned long>(); }
 
unsigned long long cmd_option_value::to_ulonglong() const { return to<unsigned long long>(); }
 
int8_t cmd_option_value::to_int8() const { return static_cast<int8_t>(to_int()); }
 
uint8_t cmd_option_value::to_uint8() const { return static_cast<uint8_t>(to_uint()); }
 
int16_t cmd_option_value::to_int16() const { return to<int16_t>(); }
 
uint16_t cmd_option_value::to_uint16() const { return to<uint16_t>(); }
 
int32_t cmd_option_value::to_int32() const { return to<int32_t>(); }
 
uint32_t cmd_option_value::to_uint32() const { return to<uint32_t>(); }
 
int64_t cmd_option_value::to_int64() const { return to<int64_t>(); }
 
uint64_t cmd_option_value::to_uint64() const { return to<uint64_t>(); }
 
bool cmd_option_value::to_logic_bool() const {
  std::string lowercase_content = data_;
  std::transform(lowercase_content.begin(), lowercase_content.end(), lowercase_content.begin(), detail::tolower);
 
  if (lowercase_content.empty()) {
    return false;
  }
 
  if ("no" == lowercase_content || "false" == lowercase_content || "disabled" == lowercase_content ||
      "disable" == lowercase_content || "0" == lowercase_content) {
    return false;
  }
 
  return true;
}
 
void cmd_option_value::split(char delim, std::vector<cmd_option_value> &out) {
  size_t len = 1;
  for (size_t i = 0; i < data_.size(); ++i) {
    if (delim == data_[i]) {
      ++len;
    }
  }
 
  out.reserve(len);
  size_t begin_pos = 0;
  size_t end_pos = 0;
  while (end_pos != std::string::npos && begin_pos < data_.size()) {
    end_pos = data_.find(delim, begin_pos);
    if (end_pos == std::string::npos && begin_pos < data_.size()) {
      out.push_back(cmd_option_value(&data_[begin_pos]));
      begin_pos = end_pos;
    } else {
      out.push_back(cmd_option_value(&data_[begin_pos], &data_[end_pos]));
      begin_pos = end_pos + 1;
    }
  }
}
}  // namespace cli
}  // namespace util