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/*
aux/functions.h
This file is part of the Osirion project and is distributed under
the terms of the GNU General Public License version 2
*/
#ifndef __INCLUDED_AUX_FUNCTIONS_H__
#define __INCLUDED_AUX_FUNCTIONS_H__
#include <string>
/// auxiliary functions
namespace aux
{
/// append an "s" to a word, depending on the amount
const std::string plural(const char * word, size_t n);
/// append an "s" to a word, depending on the amount
inline const std::string plural(const std::string & word, size_t n) { return plural(word.c_str(), n); }
/// prepend the "a" or "an" article to a word
const std::string article(const char * word);
inline const std::string article(const std::string & word) { return article(word.c_str()); }
inline bool is_base_color_code(char const *c) { return ((*c == '^') && (*(c+1) >= '0') && (*(c+1) <= '9')); }
inline bool is_core_color_code(char const *c) { return ((*c == '^') && (*(c+1) >= 'A') && (*(c+1) <= 'Z')); }
inline bool is_color_code(char const *c) { return (is_base_color_code(c) || is_core_color_code(c)); }
/// length of a string, excluding color codes
size_t text_length(const std::string &text);
/// prepend spaces to a string up to the desired lenght, excluding color codes
const std::string spaces(const std::string &text, size_t n);
/// convert a string to lowercase
void to_lowercase(std::string &text);
/// return text, converted to lowercase
const std::string lowercase(const std::string &text);
/// return text, stripped of color codes
const std::string text_strip(const std::string &text);
/// return text, stripped of color codes and converted to lowercase
const std::string text_strip_lowercase(const std::string &text);
/// trim leading ad trailing spaces from a string
void trim(std::string &text);
}
#endif // __INCLUDED_AUX_FUNCTIONS_H__
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