// license:BSD-3-Clause // copyright-holders:Aaron Giles /*************************************************************************** corestr.c Core string functions used throughout MAME. ****************************************************************************/ #include "corestr.h" #include "osdcore.h" #include #include /*------------------------------------------------- core_stricmp - case-insensitive string compare -------------------------------------------------*/ int core_stricmp(const char *s1, const char *s2) { for (;;) { int c1 = tolower((uint8_t)*s1++); int c2 = tolower((uint8_t)*s2++); if (c1 == 0 || c1 != c2) return c1 - c2; } } /*------------------------------------------------- core_strnicmp - case-insensitive string compare -------------------------------------------------*/ int core_strnicmp(const char *s1, const char *s2, size_t n) { size_t i; for (i = 0; i < n; i++) { int c1 = tolower((uint8_t)*s1++); int c2 = tolower((uint8_t)*s2++); if (c1 == 0 || c1 != c2) return c1 - c2; } return 0; } /*------------------------------------------------- core_strwildcmp - case-insensitive wildcard string compare (up to 16 characters at the moment) -------------------------------------------------*/ int core_strwildcmp(const char *sp1, const char *sp2) { char s1[17], s2[17]; size_t i, l1, l2; char *p; //assert(strlen(sp1) < 16); //assert(strlen(sp2) < 16); if (sp1[0] == 0) strcpy(s1, "*"); else { strncpy(s1, sp1, 16); s1[16] = 0; } if (sp2[0] == 0) strcpy(s2, "*"); else { strncpy(s2, sp2, 16); s2[16] = 0; } p = strchr(s1, '*'); if (p) { for (i = p - s1; i < 16; i++) s1[i] = '?'; s1[16] = 0; } p = strchr(s2, '*'); if (p) { for (i = p - s2; i < 16; i++) s2[i] = '?'; s2[16] = 0; } l1 = strlen(s1); if (l1 < 16) { for (i = l1 + 1; i < 16; i++) s1[i] = ' '; s1[16] = 0; } l2 = strlen(s2); if (l2 < 16) { for (i = l2 + 1; i < 16; i++) s2[i] = ' '; s2[16] = 0; } for (i = 0; i < 16; i++) { if (s1[i] == '?' && s2[i] != '?') s1[i] = s2[i]; if (s2[i] == '?' && s1[i] != '?') s2[i] = s1[i]; } return core_stricmp(s1, s2); } bool core_iswildstr(const char *sp) { for ( ; sp && *sp; sp++) { if (('?' == *sp) || ('*' == *sp)) return true; } return false; } /*------------------------------------------------- std::string helpers -------------------------------------------------*/ #include int strcatvprintf(std::string &str, const char *format, va_list args) { char tempbuf[4096]; int result = vsprintf(tempbuf, format, args); // set the result str.append(tempbuf); return result; } void strdelchr(std::string& str, char chr) { for (size_t i = 0; i < str.length(); i++) { if (str[i] == chr) { str.erase(i, 1); i--; } } } void strreplacechr(std::string& str, char ch, char newch) { for (auto & elem : str) { if (elem == ch) elem = newch; } } static std::string &internal_strtrimspace(std::string& str, bool right_only) { // identify the start std::string::iterator start = str.begin(); if (!right_only) { start = std::find_if( str.begin(), str.end(), [](char c) { return !isspace(uint8_t(c)); }); } // identify the end std::string::iterator end = std::find_if( str.rbegin(), std::string::reverse_iterator(start), [](char c) { return !isspace(uint8_t(c)); }).base(); // extract the string str = end > start ? str.substr(start - str.begin(), end - start) : ""; return str; } std::string &strtrimspace(std::string& str) { return internal_strtrimspace(str, false); } std::string &strtrimrightspace(std::string& str) { return internal_strtrimspace(str, true); } std::string &strmakeupper(std::string& str) { std::transform(str.begin(), str.end(), str.begin(), ::toupper); return str; } /** * @fn std::string &strmakelower(std::string& str) * * @brief Changes the given string to lower case. * * @param [in,out] str The string to make lower case * * @return A reference to the original std::string having been changed to lower case */ std::string &strmakelower(std::string& str) { std::transform(str.begin(), str.end(), str.begin(), ::tolower); return str; } /** * @fn int strreplace(std::string &str, const std::string& search, const std::string& replace) * * @brief Strreplaces. * * @param [in,out] str The string. * @param search The search. * @param replace The replace. * * @return An int. */ int strreplace(std::string &str, const std::string& search, const std::string& replace) { int searchlen = search.length(); int replacelen = replace.length(); int matches = 0; for (int curindex = str.find(search, 0); curindex != -1; curindex = str.find(search, curindex + replacelen)) { matches++; str.erase(curindex, searchlen).insert(curindex, replace); } return matches; }