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"
35 std::wstring narrow_to_wide(const std::string& mbs);
36 std::string wide_to_narrow(const std::wstring& wcs);
38 static inline std::string padStringRight(std::string s, size_t len)
41 s.insert(s.end(), len - s.size(), ' ');
45 // ends: NULL- or ""-terminated array of strings
46 // Returns "" if no end could be removed.
47 static inline std::string removeStringEnd(const std::string &s, const char *ends[])
49 const char **p = ends;
50 for(; (*p) && (*p)[0] != '\0'; p++){
52 if(s.size() < end.size())
54 if(s.substr(s.size()-end.size(), end.size()) == end)
55 return s.substr(0, s.size() - end.size());
60 // Tests if two strings are equal, optionally case insensitive
61 inline bool str_equal(const std::wstring& s1, const std::wstring& s2,
62 bool case_insensitive = false)
66 if(s1.size() != s2.size())
68 for(size_t i = 0; i < s1.size(); ++i)
69 if(tolower(s1[i]) != tolower(s2[i]))
79 // Tests if the second string is a prefix of the first, optionally case insensitive
80 inline bool str_starts_with(const std::wstring& str, const std::wstring& prefix,
81 bool case_insensitive = false)
83 if(str.size() < prefix.size())
87 for(size_t i = 0; i < prefix.size(); ++i)
88 if(tolower(str[i]) != tolower(prefix[i]))
93 for(size_t i = 0; i < prefix.size(); ++i)
94 if(str[i] != prefix[i])
100 // Split a string using the given delimiter. Returns a vector containing
101 // the component parts.
102 inline std::vector<std::wstring> str_split(const std::wstring &str, wchar_t delimiter)
104 std::vector<std::wstring> parts;
105 std::wstringstream sstr(str);
107 while(std::getline(sstr, part, delimiter))
108 parts.push_back(part);
112 inline std::string lowercase(const std::string &s)
115 for(size_t i=0; i<s.size(); i++)
118 if(c >= 'A' && c <= 'Z')
125 inline std::string trim(const std::string &s)
128 while(s[front] == ' ' ||
135 size_t back = s.size();
136 while(back > front &&
145 return s.substr(front, back - front);
148 inline bool is_yes(const std::string &s)
150 std::string s2 = lowercase(trim(s));
151 if(s2 == "y" || s2 == "yes" || s2 == "true" || atoi(s2.c_str()) != 0)
156 inline s32 mystoi(const std::string &s, s32 min, s32 max)
158 s32 i = atoi(s.c_str());
166 inline s64 stoi64(const std::string &s) {
167 std::stringstream tmp(s);
173 // MSVC2010 includes it's own versions of these
174 //#if !defined(_MSC_VER) || _MSC_VER < 1600
176 inline s32 mystoi(const std::string &s)
178 return atoi(s.c_str());
181 inline s32 mystoi(const std::wstring &s)
183 return atoi(wide_to_narrow(s).c_str());
186 inline float mystof(const std::string &s)
188 // This crap causes a segfault in certain cases on MinGW
190 std::istringstream ss(s);
193 // This works in that case
194 return atof(s.c_str());
202 inline std::string itos(s32 i)
204 std::ostringstream o;
209 inline std::string i64tos(s64 i) {
210 std::ostringstream o;
215 inline std::string ftos(float f)
217 std::ostringstream o;
222 inline void str_replace(std::string & str, std::string const & pattern,
223 std::string const & replacement)
225 std::string::size_type start = str.find(pattern, 0);
226 while(start != str.npos)
228 str.replace(start, pattern.size(), replacement);
229 start = str.find(pattern, start+replacement.size());
233 inline void str_replace_char(std::string & str, char from, char to)
235 for(unsigned int i=0; i<str.size(); i++)
243 Checks if a string contains only supplied characters
245 inline bool string_allowed(const std::string &s, const std::string &allowed_chars)
247 for(u32 i=0; i<s.size(); i++)
249 bool confirmed = false;
250 for(u32 j=0; j<allowed_chars.size(); j++)
252 if(s[i] == allowed_chars[j])
258 if(confirmed == false)
265 Checks if a string contains no blacklisted characters (opposite
266 function of string_allowed())
268 inline bool string_allowed_blacklist(const std::string & s, const std::string & blacklisted_chars)
270 for(unsigned int i = 0; i < s.length(); i++)
272 bool invalid = false;
273 for(unsigned int j = 0; j < blacklisted_chars.length(); j++)
275 if(s[i] == blacklisted_chars[j])
288 Forcefully wraps string into rows using \n
289 (no word wrap, used for showing paths in gui)
291 inline std::string wrap_rows(const std::string &from, u32 rowlen)
294 for(u32 i=0; i<from.size(); i++)
296 if(i != 0 && i%rowlen == 0)
304 Removes all \\ from a string that had been escaped (FormSpec strings)
306 inline std::string unescape_string(std::string &s)
310 for (size_t i = 0; i < s.length(); i++) {
319 std::string translatePassword(std::string playername, std::wstring password);
320 size_t curl_write_data(char *ptr, size_t size, size_t nmemb, void *userdata);
321 u32 readFlagString(std::string str, FlagDesc *flagdesc);
322 std::string writeFlagString(u32 flags, FlagDesc *flagdesc);
323 char *mystrtok_r(char *s, const char *sep, char **lasts);
324 u64 read_seed(const char *str);