3 Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU Lesser General Public License as published by
7 the Free Software Foundation; either version 2.1 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public License along
16 with this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
20 #ifndef UTIL_STRING_HEADER
21 #define UTIL_STRING_HEADER
23 #include "../irrlichttypes.h"
24 #include "../strfnd.h" // For trim()
36 static inline std::string padStringRight(std::string s, size_t len)
39 s.insert(s.end(), len - s.size(), ' ');
43 // ends: NULL- or ""-terminated array of strings
44 // Returns "" if no end could be removed.
45 static inline std::string removeStringEnd(const std::string &s, const char *ends[])
47 const char **p = ends;
48 for(; (*p) && (*p)[0] != '\0'; p++){
50 if(s.size() < end.size())
52 if(s.substr(s.size()-end.size(), end.size()) == end)
53 return s.substr(0, s.size() - end.size());
58 // Tests if two strings are equal, optionally case insensitive
59 inline bool str_equal(const std::wstring& s1, const std::wstring& s2,
60 bool case_insensitive = false)
64 if(s1.size() != s2.size())
66 for(size_t i = 0; i < s1.size(); ++i)
67 if(tolower(s1[i]) != tolower(s2[i]))
77 // Tests if the second string is a prefix of the first, optionally case insensitive
78 inline bool str_starts_with(const std::wstring& str, const std::wstring& prefix,
79 bool case_insensitive = false)
81 if(str.size() < prefix.size())
85 for(size_t i = 0; i < prefix.size(); ++i)
86 if(tolower(str[i]) != tolower(prefix[i]))
91 for(size_t i = 0; i < prefix.size(); ++i)
92 if(str[i] != prefix[i])
98 inline std::wstring narrow_to_wide(const std::string& mbs)
100 size_t wcl = mbs.size();
101 Buffer<wchar_t> wcs(wcl+1);
102 size_t l = mbstowcs(*wcs, mbs.c_str(), wcl);
103 if(l == (size_t)(-1))
104 return L"<invalid multibyte string>";
109 inline std::string wide_to_narrow(const std::wstring& wcs)
111 size_t mbl = wcs.size()*4;
112 SharedBuffer<char> mbs(mbl+1);
113 size_t l = wcstombs(*mbs, wcs.c_str(), mbl);
114 if(l == (size_t)(-1))
121 // Split a string using the given delimiter. Returns a vector containing
122 // the component parts.
123 inline std::vector<std::wstring> str_split(const std::wstring &str, wchar_t delimiter)
125 std::vector<std::wstring> parts;
126 std::wstringstream sstr(str);
128 while(std::getline(sstr, part, delimiter))
129 parts.push_back(part);
133 inline std::string lowercase(const std::string &s)
136 for(size_t i=0; i<s.size(); i++)
139 if(c >= 'A' && c <= 'Z')
146 inline bool is_yes(const std::string &s)
148 std::string s2 = lowercase(trim(s));
149 if(s2 == "y" || s2 == "yes" || s2 == "true" || s2 == "1")
154 inline s32 mystoi(const std::string &s, s32 min, s32 max)
156 s32 i = atoi(s.c_str());
165 // MSVC2010 includes it's own versions of these
166 //#if !defined(_MSC_VER) || _MSC_VER < 1600
168 inline s32 mystoi(const std::string &s)
170 return atoi(s.c_str());
173 inline s32 mystoi(const std::wstring &s)
175 return atoi(wide_to_narrow(s).c_str());
178 inline float mystof(const std::string &s)
180 // This crap causes a segfault in certain cases on MinGW
182 std::istringstream ss(s);
185 // This works in that case
186 return atof(s.c_str());
194 inline std::string itos(s32 i)
196 std::ostringstream o;
201 inline std::string ftos(float f)
203 std::ostringstream o;
208 inline void str_replace(std::string & str, std::string const & pattern,
209 std::string const & replacement)
211 std::string::size_type start = str.find(pattern, 0);
212 while(start != str.npos)
214 str.replace(start, pattern.size(), replacement);
215 start = str.find(pattern, start+replacement.size());
219 inline void str_replace_char(std::string & str, char from, char to)
221 for(unsigned int i=0; i<str.size(); i++)
229 Checks if a string contains only supplied characters
231 inline bool string_allowed(const std::string &s, const std::string &allowed_chars)
233 for(u32 i=0; i<s.size(); i++)
235 bool confirmed = false;
236 for(u32 j=0; j<allowed_chars.size(); j++)
238 if(s[i] == allowed_chars[j])
244 if(confirmed == false)
251 Checks if a string contains no blacklisted characters (opposite
252 function of string_allowed())
254 inline bool string_allowed_blacklist(const std::string & s, const std::string & blacklisted_chars)
256 for(unsigned int i = 0; i < s.length(); i++)
258 bool invalid = false;
259 for(unsigned int j = 0; j < blacklisted_chars.length(); j++)
261 if(s[i] == blacklisted_chars[j])
274 Forcefully wraps string into rows using \n
275 (no word wrap, used for showing paths in gui)
277 inline std::string wrap_rows(const std::string &from, u32 rowlen)
280 for(u32 i=0; i<from.size(); i++)
282 if(i != 0 && i%rowlen == 0)
289 std::string translatePassword(std::string playername, std::wstring password);
290 size_t curl_write_data(char *ptr, size_t size, size_t nmemb, void *userdata);
291 u32 readFlagString(std::string str, FlagDesc *flagdesc);
292 std::string writeFlagString(u32 flags, FlagDesc *flagdesc);
293 char *mystrtok_r(char *s, const char *sep, char **lasts);