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"
29 #include "exceptions.h"
36 std::wstring narrow_to_wide(const std::string& mbs);
37 std::string wide_to_narrow(const std::wstring& wcs);
39 static inline std::string padStringRight(std::string s, size_t len)
42 s.insert(s.end(), len - s.size(), ' ');
46 // ends: NULL- or ""-terminated array of strings
47 // Returns "" if no end could be removed.
48 static inline std::string removeStringEnd(const std::string &s, const char *ends[])
50 const char **p = ends;
51 for(; (*p) && (*p)[0] != '\0'; p++){
53 if(s.size() < end.size())
55 if(s.substr(s.size()-end.size(), end.size()) == end)
56 return s.substr(0, s.size() - end.size());
61 // Tests if two strings are equal, optionally case insensitive
62 inline bool str_equal(const std::wstring& s1, const std::wstring& s2,
63 bool case_insensitive = false)
67 if(s1.size() != s2.size())
69 for(size_t i = 0; i < s1.size(); ++i)
70 if(tolower(s1[i]) != tolower(s2[i]))
80 // Tests if the second string is a prefix of the first, optionally case insensitive
81 inline bool str_starts_with(const std::wstring& str, const std::wstring& prefix,
82 bool case_insensitive = false)
84 if(str.size() < prefix.size())
88 for(size_t i = 0; i < prefix.size(); ++i)
89 if(tolower(str[i]) != tolower(prefix[i]))
94 for(size_t i = 0; i < prefix.size(); ++i)
95 if(str[i] != prefix[i])
101 // Split a string using the given delimiter. Returns a vector containing
102 // the component parts.
103 inline std::vector<std::wstring> str_split(const std::wstring &str, wchar_t delimiter)
105 std::vector<std::wstring> parts;
106 std::wstringstream sstr(str);
108 while(std::getline(sstr, part, delimiter))
109 parts.push_back(part);
113 inline std::string lowercase(const std::string &s)
116 for(size_t i=0; i<s.size(); i++)
119 if(c >= 'A' && c <= 'Z')
126 inline std::string trim(const std::string &s)
129 while(s[front] == ' ' ||
136 size_t back = s.size();
137 while(back > front &&
146 return s.substr(front, back - front);
149 inline s32 mystoi(const std::string &s)
152 s32 retval = strtol(s.c_str(),&endptr,10);
154 if ((endptr == NULL) || (*endptr != 0) || (endptr == s.c_str()))
155 throw NumericException("string to convert");
160 inline bool is_yes(const std::string &s)
162 std::string s2 = lowercase(trim(s));
164 if(s2 == "y" || s2 == "yes" || s2 == "true" || mystoi(s2) != 0)
167 catch(NumericException&e) {}
171 inline s32 mystoi(const std::string &s, s32 min, s32 max)
181 inline s64 stoi64(const std::string &s) {
182 std::stringstream tmp(s);
188 // MSVC2010 includes it's own versions of these
189 //#if !defined(_MSC_VER) || _MSC_VER < 1600
191 inline s32 mystoi(const std::wstring &s)
193 return mystoi(wide_to_narrow(s).c_str());
196 inline float mystof(const std::string &s)
199 float retval = strtof(s.c_str(),&endptr);
201 if ((endptr == NULL) || (*endptr != 0) || (endptr == s.c_str()))
202 throw NumericException("string to convert");
212 inline std::string itos(s32 i)
214 std::ostringstream o;
219 inline std::string i64tos(s64 i) {
220 std::ostringstream o;
225 inline std::string ftos(float f)
227 std::ostringstream o;
232 inline void str_replace(std::string & str, std::string const & pattern,
233 std::string const & replacement)
235 std::string::size_type start = str.find(pattern, 0);
236 while(start != str.npos)
238 str.replace(start, pattern.size(), replacement);
239 start = str.find(pattern, start+replacement.size());
243 inline void str_replace_char(std::string & str, char from, char to)
245 for(unsigned int i=0; i<str.size(); i++)
253 Checks if a string contains only supplied characters
255 inline bool string_allowed(const std::string &s, const std::string &allowed_chars)
257 for(u32 i=0; i<s.size(); i++)
259 bool confirmed = false;
260 for(u32 j=0; j<allowed_chars.size(); j++)
262 if(s[i] == allowed_chars[j])
268 if(confirmed == false)
275 Checks if a string contains no blacklisted characters (opposite
276 function of string_allowed())
278 inline bool string_allowed_blacklist(const std::string & s, const std::string & blacklisted_chars)
280 for(unsigned int i = 0; i < s.length(); i++)
282 bool invalid = false;
283 for(unsigned int j = 0; j < blacklisted_chars.length(); j++)
285 if(s[i] == blacklisted_chars[j])
298 Forcefully wraps string into rows using \n
299 (no word wrap, used for showing paths in gui)
301 inline std::string wrap_rows(const std::string &from, u32 rowlen)
304 for(u32 i=0; i<from.size(); i++)
306 if(i != 0 && i%rowlen == 0)
314 Removes all \\ from a string that had been escaped (FormSpec strings)
316 inline std::string unescape_string(std::string &s)
320 for (size_t i = 0; i < s.length(); i++) {
329 std::string translatePassword(std::string playername, std::wstring password);
330 std::string urlencode(std::string str);
331 std::string urldecode(std::string str);
332 u32 readFlagString(std::string str, FlagDesc *flagdesc);
333 std::string writeFlagString(u32 flags, FlagDesc *flagdesc);
334 char *mystrtok_r(char *s, const char *sep, char **lasts);
335 u64 read_seed(const char *str);