Cleanup and (mostly) document util/string.h and (very) minor refactoring
Updated: Incorporated feedback from 'kahrl' Updated: Moved MinetestApp::boolToCStr() from game.cpp into string.h renaming it bool_to_cstr()
This commit is contained in:
Craig Robbins
Kahrl
parent
8040806f22
commit
43bf4324d5
15
src/game.cpp
15
src/game.cpp
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@ -1386,8 +1386,6 @@ protected:
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void showOverlayMessage(const char *msg, float dtime, int percent,
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bool draw_clouds = true);
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inline const char *boolToCStr(bool v);
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private:
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InputHandler *input;
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@ -2472,7 +2470,7 @@ void MinetestApp::toggleFreeMove(float *statustext_time)
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static const wchar_t *msg[] = { L"free_move disabled", L"free_move enabled" };
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bool free_move = !g_settings->getBool("free_move");
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g_settings->set("free_move", boolToCStr(free_move));
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g_settings->set("free_move", bool_to_cstr(free_move));
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*statustext_time = 0;
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statustext = msg[free_move];
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@ -2494,7 +2492,7 @@ void MinetestApp::toggleFast(float *statustext_time)
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{
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static const wchar_t *msg[] = { L"fast_move disabled", L"fast_move enabled" };
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bool fast_move = !g_settings->getBool("fast_move");
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g_settings->set("fast_move", boolToCStr(fast_move));
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g_settings->set("fast_move", bool_to_cstr(fast_move));
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*statustext_time = 0;
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statustext = msg[fast_move];
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@ -2508,7 +2506,7 @@ void MinetestApp::toggleNoClip(float *statustext_time)
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{
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static const wchar_t *msg[] = { L"noclip disabled", L"noclip enabled" };
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bool noclip = !g_settings->getBool("noclip");
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g_settings->set("noclip", boolToCStr(noclip));
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g_settings->set("noclip", bool_to_cstr(noclip));
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*statustext_time = 0;
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statustext = msg[noclip];
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@ -3937,13 +3935,6 @@ void MinetestApp::showOverlayMessage(const char *msg, float dtime,
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}
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inline const char *MinetestApp::boolToCStr(bool v)
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{
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static const char *str[] = { "false", "true" };
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return str[v];
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}
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/****************************************************************************
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Shutdown / cleanup
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26
src/test.cpp
26
src/test.cpp
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@ -166,7 +166,7 @@ struct TestUtilities: public TestBase
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UASSERT(is_yes("0") == false);
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UASSERT(is_yes("1") == true);
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UASSERT(is_yes("2") == true);
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const char *ends[] = {"abc", "c", "bc", NULL};
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const char *ends[] = {"abc", "c", "bc", "", NULL};
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UASSERT(removeStringEnd("abc", ends) == "");
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UASSERT(removeStringEnd("bc", ends) == "b");
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UASSERT(removeStringEnd("12c", ends) == "12");
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@ -175,6 +175,30 @@ struct TestUtilities: public TestBase
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== "%22Aardvarks%20lurk%2C%20OK%3F%22");
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UASSERT(urldecode("%22Aardvarks%20lurk%2C%20OK%3F%22")
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== "\"Aardvarks lurk, OK?\"");
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UASSERT(padStringRight("hello", 8) == "hello ");
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UASSERT(str_equal(narrow_to_wide("abc"), narrow_to_wide("abc")));
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UASSERT(str_equal(narrow_to_wide("ABC"), narrow_to_wide("abc"), true));
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UASSERT(trim(" a") == "a");
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UASSERT(trim(" a ") == "a");
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UASSERT(trim("a ") == "a");
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UASSERT(trim("") == "");
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UASSERT(mystoi("123", 0, 1000) == 123);
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UASSERT(mystoi("123", 0, 10) == 10);
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std::string test_str;
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test_str = "Hello there";
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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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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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UASSERT(string_allowed_blacklist("hello", "123") == true);
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UASSERT(string_allowed_blacklist("hello123", "123") == false);
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UASSERT(wrap_rows("12345678",4) == "1234\n5678");
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UASSERT(is_number("123") == true);
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UASSERT(is_number("") == false);
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UASSERT(is_number("123a") == false);
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}
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};
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@ -38,142 +38,235 @@ struct FlagDesc {
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std::wstring narrow_to_wide(const std::string& mbs);
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std::string wide_to_narrow(const std::wstring& wcs);
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std::string translatePassword(std::string playername, std::wstring password);
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std::string urlencode(std::string str);
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std::string urldecode(std::string str);
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u32 readFlagString(std::string str, const FlagDesc *flagdesc, u32 *flagmask);
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std::string writeFlagString(u32 flags, const FlagDesc *flagdesc, u32 flagmask);
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size_t mystrlcpy(char *dst, const char *src, size_t size);
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char *mystrtok_r(char *s, const char *sep, char **lasts);
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u64 read_seed(const char *str);
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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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*/
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static inline std::string padStringRight(std::string s, size_t len)
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{
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if(len > s.size())
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if (len > s.size())
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s.insert(s.end(), len - s.size(), ' ');
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return s;
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}
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// ends: NULL- or ""-terminated array of strings
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// Returns "" if no end could be removed.
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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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* 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 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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*
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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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{
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const char **p = ends;
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for(; (*p) && (*p)[0] != '\0'; p++){
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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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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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}
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return "";
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}
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// Tests if two strings are equal, optionally case insensitive
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inline bool str_equal(const std::wstring& s1, const std::wstring& s2,
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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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*
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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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bool case_insensitive = false)
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{
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if(case_insensitive)
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{
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if(s1.size() != s2.size())
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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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for(size_t i = 0; i < s1.size(); ++i)
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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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else
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{
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return s1 == s2;
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}
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return s1 == s2;
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}
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// Tests if the second string is a prefix of the first, optionally case insensitive
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inline bool str_starts_with(const std::wstring& str, const std::wstring& prefix,
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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 (str.size() < prefix.size())
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return false;
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if(case_insensitive)
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{
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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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}
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else
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{
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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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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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return true;
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}
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// Split a string using the given delimiter. Returns a vector containing
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// the component parts.
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inline std::vector<std::wstring> str_split(const std::wstring &str, wchar_t delimiter)
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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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*
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* @return a std::vector<std::wstring> of the component parts
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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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{
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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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while(std::getline(sstr, part, delimiter))
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while (std::getline(sstr, part, delimiter))
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parts.push_back(part);
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return parts;
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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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*
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* @return a std::vector<std::string> 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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while(std::getline(sstr, part, delimiter))
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while (std::getline(sstr, part, delimiter))
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parts.push_back(part);
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return parts;
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}
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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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*/
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inline std::string lowercase(const std::string &s)
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{
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std::string s2 = s;
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for(size_t i = 0; i < s.size(); i++)
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if (isupper(s2.at(i)))
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s2[i] = tolower(s2.at(i));
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std::string s2;
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s2.reserve(s.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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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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*/
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inline std::string trim(const std::string &s)
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{
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size_t front = 0;
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while(s[front] == ' ' ||
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s[front] == '\t' ||
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s[front] == '\r' ||
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s[front] == '\n'
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)
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while (isspace(s[front]))
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++front;
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size_t back = s.size();
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while(back > front &&
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(s[back-1] == ' ' ||
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s[back-1] == '\t' ||
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s[back-1] == '\r' ||
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s[back-1] == '\n'
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)
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)
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while (back > front && isspace(s[back-1]))
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--back;
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return s.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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*/
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inline bool is_yes(const std::string &s)
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{
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std::string s2 = lowercase(trim(s));
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if(s2 == "y" || s2 == "yes" || s2 == "true" || atoi(s2.c_str()) != 0)
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return true;
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return false;
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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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*
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* @see atoi(3) for limitations
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*
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* @param s
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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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*/
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inline s32 mystoi(const std::string &s, s32 min, s32 max)
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{
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s32 i = atoi(s.c_str());
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if(i < min)
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if (i < min)
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i = min;
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if(i > max)
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if (i > max)
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i = max;
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return i;
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}
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inline s64 stoi64(const std::string &s) {
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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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{
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std::stringstream tmp(s);
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s64 t;
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tmp >> t;
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@ -183,16 +276,34 @@ inline s64 stoi64(const std::string &s) {
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// MSVC2010 includes it's own versions of these
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//#if !defined(_MSC_VER) || _MSC_VER < 1600
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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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* @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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{
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return atoi(s.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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* @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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{
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return atoi(wide_to_narrow(s).c_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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* @see atof(3)
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*/
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inline float mystof(const std::string &s)
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{
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// This crap causes a segfault in certain cases on MinGW
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@ -209,110 +320,143 @@ 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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/**
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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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{
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std::ostringstream o;
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o<<i;
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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 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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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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o << f;
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return o.str();
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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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|
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/**
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* Replace all occurrences of pattern in str with 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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*/
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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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{
|
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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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{
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while (start != str.npos) {
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str.replace(start, pattern.size(), replacement);
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||||
start = str.find(pattern, start+replacement.size());
|
||||
}
|
||||
}
|
||||
|
||||
inline void str_replace_char(std::string & str, char from, char to)
|
||||
|
||||
/**
|
||||
* Replace all occurrances of the character from in str with to.
|
||||
*
|
||||
* @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(unsigned int i=0; i<str.size(); i++)
|
||||
{
|
||||
if(str[i] == from)
|
||||
for (size_t i = 0; i < str.size(); i++)
|
||||
if (str[i] == from)
|
||||
str[i] = to;
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
Checks if a string contains only supplied characters
|
||||
*/
|
||||
|
||||
/**
|
||||
* Check that a string only contains whitelisted characters. This is the
|
||||
* opposite of string_allowed_blacklist().
|
||||
*
|
||||
* @param s 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)
|
||||
{
|
||||
for(u32 i=0; i<s.size(); i++)
|
||||
{
|
||||
bool confirmed = false;
|
||||
for(u32 j=0; j<allowed_chars.size(); j++)
|
||||
{
|
||||
if(s[i] == allowed_chars[j])
|
||||
{
|
||||
confirmed = true;
|
||||
break;
|
||||
}
|
||||
}
|
||||
if(confirmed == false)
|
||||
for (size_t i = 0; i < s.size(); i++)
|
||||
if (allowed_chars.find(s[i]) == std::string::npos)
|
||||
return false;
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
/*
|
||||
Checks if a string contains no blacklisted characters (opposite
|
||||
function of string_allowed())
|
||||
*/
|
||||
inline bool string_allowed_blacklist(const std::string & s, const std::string & blacklisted_chars)
|
||||
|
||||
/**
|
||||
* Check that a string contains no blacklisted characters. This is the
|
||||
* opposite of string_allowed().
|
||||
*
|
||||
* @param s 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,
|
||||
const std::string &blacklisted_chars)
|
||||
{
|
||||
for(unsigned int i = 0; i < s.length(); i++)
|
||||
{
|
||||
bool invalid = false;
|
||||
for(unsigned int j = 0; j < blacklisted_chars.length(); j++)
|
||||
{
|
||||
if(s[i] == blacklisted_chars[j])
|
||||
{
|
||||
invalid = true;
|
||||
break;
|
||||
}
|
||||
}
|
||||
if(invalid)
|
||||
for (size_t i = 0; i < s.size(); i++)
|
||||
if (blacklisted_chars.find(s[i]) != std::string::npos)
|
||||
return false;
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
/*
|
||||
Forcefully wraps string into rows using \n
|
||||
(no word wrap, used for showing paths in gui)
|
||||
*/
|
||||
|
||||
/**
|
||||
* Create a string based on 'from' where a newline is forcefully inserted every
|
||||
* 'rowlen' 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
|
||||
*
|
||||
* @param from The string to be wrapped into rows.
|
||||
* @param rowlen The row length (in characters).
|
||||
* @return A new string with the wrapping applied.
|
||||
*/
|
||||
inline std::string wrap_rows(const std::string &from, u32 rowlen)
|
||||
{
|
||||
std::string to;
|
||||
for(u32 i=0; i<from.size(); i++)
|
||||
{
|
||||
if(i != 0 && i%rowlen == 0)
|
||||
|
||||
for (size_t i = 0; i < from.size(); i++) {
|
||||
if(i != 0 && i % rowlen == 0)
|
||||
to += '\n';
|
||||
to += from[i];
|
||||
}
|
||||
|
||||
return to;
|
||||
}
|
||||
|
||||
/*
|
||||
Removes all \\ from a string that had been escaped (FormSpec strings)
|
||||
*/
|
||||
|
||||
/**
|
||||
* Removes all \\ from a string that had been escaped (FormSpec strings)
|
||||
*
|
||||
*/
|
||||
inline std::string unescape_string(std::string &s)
|
||||
{
|
||||
std::string res;
|
||||
|
|
@ -326,26 +470,33 @@ inline std::string unescape_string(std::string &s)
|
|||
return res;
|
||||
}
|
||||
|
||||
inline bool is_number(const std::string& tocheck)
|
||||
|
||||
/**
|
||||
* Checks that all characters in tocheck are a decimal digits
|
||||
*
|
||||
* @param tocheck
|
||||
* @return true if tockcheck is not empty and all characters in tocheck are
|
||||
* decimal digits, otherwise false
|
||||
*/
|
||||
inline bool is_number(const std::string &tocheck)
|
||||
{
|
||||
std::string::const_iterator iter = tocheck.begin();
|
||||
for (size_t i = 0; i < tocheck.size(); i++)
|
||||
if (!isdigit(tocheck[i]))
|
||||
return false;
|
||||
|
||||
while (iter != tocheck.end() && std::isdigit(*iter)) {
|
||||
++iter;
|
||||
}
|
||||
|
||||
return ((!tocheck.empty()) && (iter == tocheck.end()));
|
||||
return !tocheck.empty();
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Returns a C-string, either "true" or "false", corresponding to v
|
||||
*
|
||||
* @return If v == true, then "true" is returned, otherwise "false"
|
||||
*/
|
||||
inline const char *bool_to_cstr(bool v)
|
||||
{
|
||||
return v ? "true" : "false";
|
||||
}
|
||||
|
||||
std::string translatePassword(std::string playername, std::wstring password);
|
||||
std::string urlencode(std::string str);
|
||||
std::string urldecode(std::string str);
|
||||
u32 readFlagString(std::string str, const FlagDesc *flagdesc, u32 *flagmask);
|
||||
std::string writeFlagString(u32 flags, const FlagDesc *flagdesc, u32 flagmask);
|
||||
size_t mystrlcpy(char *dst, const char *src, size_t size);
|
||||
char *mystrtok_r(char *s, const char *sep, char **lasts);
|
||||
u64 read_seed(const char *str);
|
||||
bool parseColorString(const std::string &value, video::SColor &color, bool quiet);
|
||||
|
||||
#endif
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue