mirror of https://github.com/minetest/minetest.git
Deduplicate code and use stdlib in string functions
This commit is contained in:
ShadowNinja
parent
d91559b8f0
commit
3c3887bb19
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@ -189,7 +189,7 @@ struct TestUtilities: public TestBase
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str_replace(test_str, "there", "world");
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UASSERT(test_str == "Hello world");
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test_str = "ThisAisAaAtest";
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str_replace_char(test_str, 'A', ' ');
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str_replace(test_str, 'A', ' ');
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UASSERT(test_str == "This is a test");
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UASSERT(string_allowed("hello", "abcdefghijklmno") == true);
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UASSERT(string_allowed("123", "abcdefghijklmno") == false);
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@ -1380,7 +1380,7 @@ bool TextureSource::generateImagePart(std::string part_of_name,
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return false;
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}
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str_replace_char(part_of_name, '&', '^');
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str_replace(part_of_name, '&', '^');
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Strfnd sf(part_of_name);
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sf.next("{");
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std::string imagename_top = sf.next("{");
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@ -22,15 +22,16 @@ with this program; if not, write to the Free Software Foundation, Inc.,
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#include "numeric.h"
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#include "log.h"
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#include <sstream>
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#include <iomanip>
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#include <map>
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#include "../sha1.h"
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#include "../base64.h"
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#include "../hex.h"
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#include "../porting.h"
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#include <algorithm>
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#include <sstream>
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#include <iomanip>
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#include <map>
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static bool parseHexColorString(const std::string &value, video::SColor &color);
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static bool parseNamedColorString(const std::string &value, video::SColor &color);
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@ -577,3 +578,9 @@ static bool parseNamedColorString(const std::string &value, video::SColor &color
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return true;
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}
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void str_replace(std::string &str, char from, char to)
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{
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std::replace(str.begin(), str.end(), from, to);
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}
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@ -50,40 +50,40 @@ bool parseColorString(const std::string &value, video::SColor &color, bool quiet
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/**
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* Returns a copy of s with spaces inserted at the right hand side to ensure
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* that the string is len characters in length. If s is <= len then the
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* returned string will be identical to s.
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* Returns a copy of \p str with spaces inserted at the right hand side to ensure
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* that the string is \p len characters in length. If \p str is <= \p len then the
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* returned string will be identical to str.
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*/
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static inline std::string padStringRight(std::string s, size_t len)
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inline std::string padStringRight(std::string str, size_t len)
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{
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if (len > s.size())
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s.insert(s.end(), len - s.size(), ' ');
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if (len > str.size())
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str.insert(str.end(), len - str.size(), ' ');
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return s;
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return str;
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}
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/**
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* Returns a version of the string s with the first occurrence of a string
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* Returns a version of \p str with the first occurrence of a string
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* contained within ends[] removed from the end of the string.
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*
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* @param s
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* @param str
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* @param ends A NULL- or ""- terminated array of strings to remove from s in
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* the copy produced. Note that once one of these strings is removed
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* that no further postfixes contained within this array are removed.
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* the copy produced. Note that once one of these strings is removed
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* that no further postfixes contained within this array are removed.
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*
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* @return If no end could be removed then "" is returned
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* @return If no end could be removed then "" is returned.
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*/
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static inline std::string removeStringEnd(const std::string &s, const char *ends[])
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inline std::string removeStringEnd(const std::string &str,
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const char *ends[])
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{
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const char **p = ends;
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for (; *p && (*p)[0] != '\0'; p++) {
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std::string end = *p;
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if(s.size() < end.size())
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if (str.size() < end.size())
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continue;
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if(s.substr(s.size()-end.size(), end.size()) == end)
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return s.substr(0, s.size() - end.size());
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if (str.compare(str.size() - end.size(), end.size(), end) == 0)
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return str.substr(0, str.size() - end.size());
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}
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return "";
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@ -91,94 +91,75 @@ static inline std::string removeStringEnd(const std::string &s, const char *ends
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/**
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* Check two wide strings for equivalence. If case_insensitive is true
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* then the case of the strings are ignored (default is false).
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* Check two strings for equivalence. If \p case_insensitive is true
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* then the case of the strings is ignored (default is false).
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*
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* @param s1
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* @param s2
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* @param case_insensitive
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* @return true if the strings match
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*/
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inline bool str_equal(const std::wstring &s1, const std::wstring &s2,
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template <typename T>
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inline bool str_equal(const std::basic_string<T> &s1,
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const std::basic_string<T> &s2,
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bool case_insensitive = false)
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{
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if (case_insensitive) {
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if (s1.size() != s2.size())
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return false;
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if (!case_insensitive)
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return s1 == s2;
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for (size_t i = 0; i < s1.size(); ++i)
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if(tolower(s1[i]) != tolower(s2[i]))
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return false;
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return true;
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}
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return s1 == s2;
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}
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/**
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* Check whether str begins with the string prefix. If the argument
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* case_insensitive == true then the check is case insensitve (default
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* is false; i.e. case is significant).
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*
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* @param str
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* @param prefix
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* @param case_insensitive
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* @return true if the str begins with prefix
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*/
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inline bool str_starts_with(const std::wstring &str, const std::wstring &prefix,
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bool case_insensitive = false)
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{
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if (str.size() < prefix.size())
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if (s1.size() != s2.size())
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return false;
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if (case_insensitive) {
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for (size_t i = 0; i < prefix.size(); ++i)
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if (tolower(str[i]) != tolower(prefix[i]))
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return false;
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} else {
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for (size_t i = 0; i < prefix.size(); ++i)
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if (str[i] != prefix[i])
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return false;
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}
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for (size_t i = 0; i < s1.size(); ++i)
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if(tolower(s1[i]) != tolower(s2[i]))
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return false;
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return true;
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}
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/**
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* Splits a string of wide characters into its component parts separated by
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* the character delimiter.
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* Check whether \p str begins with the string prefix. If \p case_insensitive
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* is true then the check is case insensitve (default is false; i.e. case is
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* significant).
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*
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* @return a std::vector<std::wstring> of the component parts
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* @param str
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* @param prefix
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* @param case_insensitive
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* @return true if the str begins with prefix
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*/
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inline std::vector<std::wstring> str_split(const std::wstring &str,
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wchar_t delimiter)
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template <typename T>
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inline bool str_starts_with(const std::basic_string<T> &str,
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const std::basic_string<T> &prefix,
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bool case_insensitive = false)
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{
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std::vector<std::wstring> parts;
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std::wstringstream sstr(str);
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std::wstring part;
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if (str.size() < prefix.size())
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return false;
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while (std::getline(sstr, part, delimiter))
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parts.push_back(part);
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if (!case_insensitive)
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return str.compare(0, prefix.size(), prefix) == 0;
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return parts;
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for (size_t i = 0; i < prefix.size(); ++i)
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if (tolower(str[i]) != tolower(prefix[i]))
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return false;
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return true;
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}
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/**
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* Splits a string into its component parts separated by the character
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* delimiter.
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* \p delimiter.
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*
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* @return a std::vector<std::string> of the component parts
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* @return An std::vector<std::basic_string<T> > of the component parts
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*/
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inline std::vector<std::string> str_split(const std::string &str, char delimiter) {
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std::vector<std::string> parts;
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std::stringstream sstr(str);
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std::string part;
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template <typename T>
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inline std::vector<std::basic_string<T> > str_split(
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const std::basic_string<T> &str,
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T delimiter)
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{
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std::vector<std::basic_string<T> > parts;
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std::basic_stringstream<T> sstr(str);
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std::basic_string<T> part;
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while (std::getline(sstr, part, delimiter))
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parts.push_back(part);
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@ -188,70 +169,70 @@ inline std::vector<std::string> str_split(const std::string &str, char delimiter
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/**
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* Return a copy of s converted to all lowercase characters
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* @param s
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* @param str
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* @return A copy of \p str converted to all lowercase characters.
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*/
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inline std::string lowercase(const std::string &s)
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inline std::string lowercase(const std::string &str)
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{
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std::string s2;
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s2.reserve(s.size());
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s2.reserve(str.size());
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for (size_t i = 0; i < s.size(); i++)
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s2 += tolower(s[i]);
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for (size_t i = 0; i < str.size(); i++)
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s2 += tolower(str[i]);
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return s2;
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}
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/**
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* Returns a copy of s with leading and trailing whitespace removed.
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* @param s
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* @param str
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* @return A copy of \p str with leading and trailing whitespace removed.
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*/
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inline std::string trim(const std::string &s)
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inline std::string trim(const std::string &str)
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{
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size_t front = 0;
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while (std::isspace(s[front]))
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while (std::isspace(str[front]))
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++front;
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size_t back = s.size();
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while (back > front && std::isspace(s[back-1]))
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size_t back = str.size();
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while (back > front && std::isspace(str[back - 1]))
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--back;
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return s.substr(front, back - front);
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return str.substr(front, back - front);
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}
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/**
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* Returns true if s should be regarded as (bool) true. Leading and trailing
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* whitespace are ignored; case is ignored. Values that will return
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* true are "y", "n", "true" and any number that != 0.
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* @param s
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* Returns whether \p str should be regarded as (bool) true. Case and leading
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* and trailing whitespace are ignored. Values that will return
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* true are "y", "yes", "true" and any number that is not 0.
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* @param str
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*/
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inline bool is_yes(const std::string &s)
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inline bool is_yes(const std::string &str)
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{
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std::string s2 = lowercase(trim(s));
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std::string s2 = lowercase(trim(str));
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return s2 == "y" || s2 == "yes" || s2 == "true" || atoi(s2.c_str()) != 0;
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}
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/**
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* Converts the string s to a signed 32-bit integer. The converted value is
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* constrained so that min <= value <= max.
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* Converts the string \p str to a signed 32-bit integer. The converted value
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* is constrained so that min <= value <= max.
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*
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* @see atoi(3) for limitations
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*
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* @param s
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* @param str
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* @param min Range minimum
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* @param max Range maximum
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* @return The value converted to a signed 32-bit integer and constrained
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* within the range defined by min and max (inclusive)
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* within the range defined by min and max (inclusive)
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*/
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inline s32 mystoi(const std::string &s, s32 min, s32 max)
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inline s32 mystoi(const std::string &str, s32 min, s32 max)
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{
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s32 i = atoi(s.c_str());
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s32 i = atoi(str.c_str());
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if (i < min)
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i = min;
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@ -262,12 +243,10 @@ inline s32 mystoi(const std::string &s, s32 min, s32 max)
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}
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/**
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* Returns a 64-bit value reprensented by the string s (decimal).
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*/
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inline s64 stoi64(const std::string &s)
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/// Returns a 64-bit value represented by the string \p str (decimal).
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inline s64 stoi64(const std::string &str)
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{
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std::stringstream tmp(s);
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std::stringstream tmp(str);
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s64 t;
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tmp >> t;
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return t;
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@ -278,41 +257,32 @@ inline s64 stoi64(const std::string &s)
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/**
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* Returns a 32-bit value reprensented by the string s (decimal).
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*
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* Returns a 32-bit value reprensented by the string \p str (decimal).
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* @see atoi(3) for further limitations
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*/
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inline s32 mystoi(const std::string &s)
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inline s32 mystoi(const std::string &str)
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{
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return atoi(s.c_str());
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return atoi(str.c_str());
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}
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/**
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* Returns a 32-bit value reprensented by the wide string s (decimal).
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*
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* Returns s 32-bit value represented by the wide string \p str (decimal).
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* @see atoi(3) for further limitations
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*/
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inline s32 mystoi(const std::wstring &s)
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inline s32 mystoi(const std::wstring &str)
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{
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return atoi(wide_to_narrow(s).c_str());
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return mystoi(wide_to_narrow(str));
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}
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/**
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* Returns a float reprensented by the string s (decimal).
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*
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* Returns a float reprensented by the string \p str (decimal).
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* @see atof(3)
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*/
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inline float mystof(const std::string &s)
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inline float mystof(const std::string &str)
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{
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// This crap causes a segfault in certain cases on MinGW
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/*float f;
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std::istringstream ss(s);
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ss>>f;
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return f;*/
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// This works in that case
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return atof(s.c_str());
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return atof(str.c_str());
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}
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//#endif
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@ -320,89 +290,66 @@ inline float mystof(const std::string &s)
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#define stoi mystoi
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#define stof mystof
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// TODO: Replace with C++11 std::to_string.
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/**
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* Returns a string representing the decimal value of the 32-bit value i
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*/
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inline std::string itos(s32 i)
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/// Returns A string representing the value \p val.
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template <typename T>
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inline std::string to_string(T val)
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{
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std::ostringstream o;
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o << i;
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return o.str();
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std::ostringstream oss;
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oss << val;
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return oss.str();
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}
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/// Returns a string representing the decimal value of the 32-bit value \p i.
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inline std::string itos(s32 i) { return to_string(i); }
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/// Returns a string representing the decimal value of the 64-bit value \p i.
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inline std::string i64tos(s64 i) { return to_string(i); }
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/// Returns a string representing the decimal value of the float value \p f.
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inline std::string ftos(float f) { return to_string(f); }
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/**
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* Returns a string representing the decimal value of i of the 64-bit value i
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*/
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inline std::string i64tos(s64 i) {
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std::ostringstream o;
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o << i;
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return o.str();
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}
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/**
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* Returns a string representing the real number (decimal) float value i
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*/
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inline std::string ftos(float f)
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{
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std::ostringstream o;
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o << f;
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return o.str();
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}
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/**
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* Replace all occurrences of pattern in str with replacement
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* Replace all occurrences of \p pattern in \p str with \p replacement.
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*
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* @param str String to replace pattern with replacement within
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* @param pattern The pattern to replace
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* @param replacement What to replace the pattern with
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* @param str String to replace pattern with replacement within.
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* @param pattern The pattern to replace.
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* @param replacement What to replace the pattern with.
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*/
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inline void str_replace(std::string &str, std::string const &pattern,
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std::string const &replacement)
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inline void str_replace(std::string &str, const std::string &pattern,
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const std::string &replacement)
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{
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std::string::size_type start = str.find(pattern, 0);
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while (start != str.npos) {
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str.replace(start, pattern.size(), replacement);
|
||||
start = str.find(pattern, start+replacement.size());
|
||||
start = str.find(pattern, start + replacement.size());
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Replace all occurrances of the character from in str with to.
|
||||
* Replace all occurrences of the character \p from in \p str with \p to.
|
||||
*
|
||||
* @param str The string to (potentially) modify
|
||||
* @param from The character in str to replace
|
||||
* @param to The replacement character
|
||||
* @param str The string to (potentially) modify.
|
||||
* @param from The character in str to replace.
|
||||
* @param to The replacement character.
|
||||
*/
|
||||
inline void str_replace_char(std::string &str, char from, char to)
|
||||
{
|
||||
for (size_t i = 0; i < str.size(); i++)
|
||||
if (str[i] == from)
|
||||
str[i] = to;
|
||||
}
|
||||
void str_replace(std::string &str, char from, char to);
|
||||
|
||||
|
||||
/**
|
||||
* Check that a string only contains whitelisted characters. This is the
|
||||
* opposite of string_allowed_blacklist().
|
||||
*
|
||||
* @param s The string to be checked.
|
||||
* @param str The string to be checked.
|
||||
* @param allowed_chars A string containing permitted characters.
|
||||
* @return true if the string is allowed, otherwise false.
|
||||
*
|
||||
* @see string_allowed_blacklist()
|
||||
*/
|
||||
inline bool string_allowed(const std::string &s, const std::string &allowed_chars)
|
||||
inline bool string_allowed(const std::string &str, const std::string &allowed_chars)
|
||||
{
|
||||
for (size_t i = 0; i < s.size(); i++)
|
||||
if (allowed_chars.find(s[i]) == std::string::npos)
|
||||
return false;
|
||||
|
||||
return true;
|
||||
return str.find_first_not_of(allowed_chars) == str.npos;
|
||||
}
|
||||
|
||||
|
||||
|
|
@ -410,41 +357,38 @@ inline bool string_allowed(const std::string &s, const std::string &allowed_char
|
|||
* Check that a string contains no blacklisted characters. This is the
|
||||
* opposite of string_allowed().
|
||||
*
|
||||
* @param s The string to be checked.
|
||||
* @param str The string to be checked.
|
||||
* @param blacklisted_chars A string containing prohibited characters.
|
||||
* @return true if the string is allowed, otherwise false.
|
||||
|
||||
* @see string_allowed()
|
||||
*/
|
||||
inline bool string_allowed_blacklist(const std::string &s,
|
||||
inline bool string_allowed_blacklist(const std::string &str,
|
||||
const std::string &blacklisted_chars)
|
||||
{
|
||||
for (size_t i = 0; i < s.size(); i++)
|
||||
if (blacklisted_chars.find(s[i]) != std::string::npos)
|
||||
return false;
|
||||
|
||||
return true;
|
||||
return str.find_first_of(blacklisted_chars) == str.npos;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Create a string based on 'from' where a newline is forcefully inserted every
|
||||
* 'rowlen' characters.
|
||||
* Create a string based on \p from where a newline is forcefully inserted
|
||||
* every \p row_len characters.
|
||||
*
|
||||
* @note This function does not honour word wraps and blindy inserts a newline
|
||||
* every rowlen characters whether it breaks a word or not. It is
|
||||
* intended to be used, for example, showing paths in the GUI
|
||||
* every \p row_len characters whether it breaks a word or not. It is
|
||||
* intended to be used for, for example, showing paths in the GUI.
|
||||
*
|
||||
* @param from The string to be wrapped into rows.
|
||||
* @param rowlen The row length (in characters).
|
||||
* @param row_len The row length (in characters).
|
||||
* @return A new string with the wrapping applied.
|
||||
*/
|
||||
inline std::string wrap_rows(const std::string &from, u32 rowlen)
|
||||
inline std::string wrap_rows(const std::string &from,
|
||||
unsigned row_len)
|
||||
{
|
||||
std::string to;
|
||||
|
||||
for (size_t i = 0; i < from.size(); i++) {
|
||||
if(i != 0 && i % rowlen == 0)
|
||||
if (i != 0 && i % row_len == 0)
|
||||
to += '\n';
|
||||
to += from[i];
|
||||
}
|
||||
|
|
@ -454,49 +398,48 @@ inline std::string wrap_rows(const std::string &from, u32 rowlen)
|
|||
|
||||
|
||||
/**
|
||||
* Removes all \\ from a string that had been escaped (FormSpec strings)
|
||||
* Removes all backslashes from a string that had been escaped (FormSpec strings)
|
||||
*
|
||||
*/
|
||||
inline std::string unescape_string(std::string &s)
|
||||
template <typename T>
|
||||
inline std::basic_string<T> unescape_string(std::basic_string<T> &s)
|
||||
{
|
||||
std::string res;
|
||||
|
||||
std::basic_string<T> res;
|
||||
|
||||
for (size_t i = 0; i < s.length(); i++) {
|
||||
if (s[i] == '\\')
|
||||
i++;
|
||||
res += s[i];
|
||||
if (s[i] != '\\')
|
||||
res += s[i];
|
||||
}
|
||||
|
||||
|
||||
return res;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Checks that all characters in tocheck are a decimal digits
|
||||
* Checks that all characters in \p to_check are a decimal digits.
|
||||
*
|
||||
* @param tocheck
|
||||
* @return true if tockcheck is not empty and all characters in tocheck are
|
||||
* decimal digits, otherwise false
|
||||
* @param to_check
|
||||
* @return true if to_check is not empty and all characters in to_check are
|
||||
* decimal digits, otherwise false
|
||||
*/
|
||||
inline bool is_number(const std::string &tocheck)
|
||||
inline bool is_number(const std::string &to_check)
|
||||
{
|
||||
for (size_t i = 0; i < tocheck.size(); i++)
|
||||
if (!std::isdigit(tocheck[i]))
|
||||
return false;
|
||||
for (size_t i = 0; i < to_check.size(); i++)
|
||||
if (!std::isdigit(to_check[i]))
|
||||
return false;
|
||||
|
||||
return !tocheck.empty();
|
||||
return !to_check.empty();
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Returns a C-string, either "true" or "false", corresponding to v
|
||||
* Returns a C-string, either "true" or "false", corresponding to \p val.
|
||||
*
|
||||
* @return If v == true, then "true" is returned, otherwise "false"
|
||||
* @return If \p val is true, then "true" is returned, otherwise "false".
|
||||
*/
|
||||
inline const char *bool_to_cstr(bool v)
|
||||
inline const char *bool_to_cstr(bool val)
|
||||
{
|
||||
return v ? "true" : "false";
|
||||
return val ? "true" : "false";
|
||||
}
|
||||
|
||||
|
||||
#endif
|
||||
|
|
|
|||
Loading…
Reference in New Issue