/*************************************************************************/ /* ustring.cpp */ /*************************************************************************/ /* This file is part of: */ /* GODOT ENGINE */ /* https://godotengine.org */ /*************************************************************************/ /* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur. */ /* Copyright (c) 2014-2018 Godot Engine contributors (cf. AUTHORS.md) */ /* */ /* Permission is hereby granted, free of charge, to any person obtaining */ /* a copy of this software and associated documentation files (the */ /* "Software"), to deal in the Software without restriction, including */ /* without limitation the rights to use, copy, modify, merge, publish, */ /* distribute, sublicense, and/or sell copies of the Software, and to */ /* permit persons to whom the Software is furnished to do so, subject to */ /* the following conditions: */ /* */ /* The above copyright notice and this permission notice shall be */ /* included in all copies or substantial portions of the Software. */ /* */ /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /*************************************************************************/ #include "ustring.h" #include "core/color.h" #include "core/math/math_funcs.h" #include "core/os/memory.h" #include "core/print_string.h" #include "core/translation.h" #include "core/ucaps.h" #include "core/variant.h" #include "thirdparty/misc/md5.h" #include "thirdparty/misc/sha256.h" #include <wchar.h> #ifndef NO_USE_STDLIB #include <stdio.h> #include <stdlib.h> #endif #if defined(MINGW_ENABLED) || defined(_MSC_VER) #define snprintf _snprintf_s #endif #define MAX_DIGITS 6 #define UPPERCASE(m_c) (((m_c) >= 'a' && (m_c) <= 'z') ? ((m_c) - ('a' - 'A')) : (m_c)) #define LOWERCASE(m_c) (((m_c) >= 'A' && (m_c) <= 'Z') ? ((m_c) + ('a' - 'A')) : (m_c)) #define IS_DIGIT(m_d) ((m_d) >= '0' && (m_d) <= '9') #define IS_HEX_DIGIT(m_d) (((m_d) >= '0' && (m_d) <= '9') || ((m_d) >= 'a' && (m_d) <= 'f') || ((m_d) >= 'A' && (m_d) <= 'F')) bool is_symbol(CharType c) { return c != '_' && ((c >= '!' && c <= '/') || (c >= ':' && c <= '@') || (c >= '[' && c <= '`') || (c >= '{' && c <= '~') || c == '\t' || c == ' '); } bool select_word(const String &p_s, int p_col, int &r_beg, int &r_end) { const String &s = p_s; int beg = CLAMP(p_col, 0, s.length()); int end = beg; if (s[beg] > 32 || beg == s.length()) { bool symbol = beg < s.length() && is_symbol(s[beg]); while (beg > 0 && s[beg - 1] > 32 && (symbol == is_symbol(s[beg - 1]))) { beg--; } while (end < s.length() && s[end + 1] > 32 && (symbol == is_symbol(s[end + 1]))) { end++; } if (end < s.length()) end += 1; r_beg = beg; r_end = end; return true; } else { return false; } } /** STRING **/ bool CharString::operator<(const CharString &p_right) const { if (length() == 0) { return p_right.length() != 0; } return is_str_less(get_data(), p_right.get_data()); } CharString &CharString::operator+=(char p_char) { resize(size() ? size() + 1 : 2); set(length(), 0); set(length() - 1, p_char); return *this; } const char *CharString::get_data() const { if (size()) return &operator[](0); else return ""; } void String::copy_from(const char *p_cstr) { if (!p_cstr) { resize(0); return; } int len = 0; const char *ptr = p_cstr; while (*(ptr++) != 0) len++; if (len == 0) { resize(0); return; } resize(len + 1); // include 0 CharType *dst = this->ptrw(); for (int i = 0; i < len + 1; i++) { dst[i] = p_cstr[i]; } } void String::copy_from(const CharType *p_cstr, const int p_clip_to) { if (!p_cstr) { resize(0); return; } int len = 0; const CharType *ptr = p_cstr; while ((p_clip_to < 0 || len < p_clip_to) && *(ptr++) != 0) len++; if (len == 0) { resize(0); return; } copy_from_unchecked(p_cstr, len); } // assumes the following have already been validated: // p_char != NULL // p_length > 0 // p_length <= p_char strlen void String::copy_from_unchecked(const CharType *p_char, const int p_length) { resize(p_length + 1); set(p_length, 0); CharType *dst = &operator[](0); for (int i = 0; i < p_length; i++) { dst[i] = p_char[i]; } } void String::copy_from(const CharType &p_char) { resize(2); set(0, p_char); set(1, 0); } bool String::operator==(const String &p_str) const { if (length() != p_str.length()) return false; if (empty()) return true; int l = length(); const CharType *src = c_str(); const CharType *dst = p_str.c_str(); /* Compare char by char */ for (int i = 0; i < l; i++) { if (src[i] != dst[i]) return false; } return true; } bool String::operator!=(const String &p_str) const { return !(*this == p_str); } String String::operator+(const String &p_str) const { String res = *this; res += p_str; return res; } /* String String::operator+(CharType p_chr) const { String res=*this; res+=p_chr; return res; } */ String &String::operator+=(const String &p_str) { if (empty()) { *this = p_str; return *this; } if (p_str.empty()) return *this; int from = length(); resize(length() + p_str.size()); const CharType *src = p_str.c_str(); CharType *dst = &operator[](0); set(length(), 0); for (int i = 0; i < p_str.length(); i++) dst[from + i] = src[i]; return *this; } String &String::operator+=(const CharType *p_str) { *this += String(p_str); return *this; } String &String::operator+=(CharType p_char) { resize(size() ? size() + 1 : 2); set(length(), 0); set(length() - 1, p_char); return *this; } String &String::operator+=(const char *p_str) { if (!p_str || p_str[0] == 0) return *this; int src_len = 0; const char *ptr = p_str; while (*(ptr++) != 0) src_len++; int from = length(); resize(from + src_len + 1); CharType *dst = &operator[](0); set(length(), 0); for (int i = 0; i < src_len; i++) dst[from + i] = p_str[i]; return *this; } void String::operator=(const char *p_str) { copy_from(p_str); } void String::operator=(const CharType *p_str) { copy_from(p_str); } bool String::operator==(const StrRange &p_str_range) const { int len = p_str_range.len; if (length() != len) return false; if (empty()) return true; const CharType *c_str = p_str_range.c_str; const CharType *dst = &operator[](0); /* Compare char by char */ for (int i = 0; i < len; i++) { if (c_str[i] != dst[i]) return false; } return true; } bool String::operator==(const char *p_str) const { int len = 0; const char *aux = p_str; while (*(aux++) != 0) len++; if (length() != len) return false; if (empty()) return true; int l = length(); const CharType *dst = c_str(); /* Compare char by char */ for (int i = 0; i < l; i++) { if (p_str[i] != dst[i]) return false; } return true; } bool String::operator==(const CharType *p_str) const { int len = 0; const CharType *aux = p_str; while (*(aux++) != 0) len++; if (length() != len) return false; if (empty()) return true; int l = length(); const CharType *dst = c_str(); /* Compare char by char */ for (int i = 0; i < l; i++) { if (p_str[i] != dst[i]) return false; } return true; } bool String::operator!=(const char *p_str) const { return (!(*this == p_str)); } bool String::operator!=(const CharType *p_str) const { return (!(*this == p_str)); } bool String::operator<(const CharType *p_str) const { if (empty() && p_str[0] == 0) return false; if (empty()) return true; return is_str_less(c_str(), p_str); } bool String::operator<=(const String &p_str) const { return (*this < p_str) || (*this == p_str); } bool String::operator<(const char *p_str) const { if (empty() && p_str[0] == 0) return false; if (empty()) return true; return is_str_less(c_str(), p_str); } bool String::operator<(const String &p_str) const { return operator<(p_str.c_str()); } signed char String::nocasecmp_to(const String &p_str) const { if (empty() && p_str.empty()) return 0; if (empty()) return -1; if (p_str.empty()) return 1; const CharType *that_str = p_str.c_str(); const CharType *this_str = c_str(); while (true) { if (*that_str == 0 && *this_str == 0) return 0; //we're equal else if (*this_str == 0) return -1; //if this is empty, and the other one is not, then we're less.. I think? else if (*that_str == 0) return 1; //otherwise the other one is smaller.. else if (_find_upper(*this_str) < _find_upper(*that_str)) //more than return -1; else if (_find_upper(*this_str) > _find_upper(*that_str)) //less than return 1; this_str++; that_str++; } return 0; //should never reach anyway } signed char String::casecmp_to(const String &p_str) const { if (empty() && p_str.empty()) return 0; if (empty()) return -1; if (p_str.empty()) return 1; const CharType *that_str = p_str.c_str(); const CharType *this_str = c_str(); while (true) { if (*that_str == 0 && *this_str == 0) return 0; //we're equal else if (*this_str == 0) return -1; //if this is empty, and the other one is not, then we're less.. I think? else if (*that_str == 0) return 1; //otherwise the other one is smaller.. else if (*this_str < *that_str) //more than return -1; else if (*this_str > *that_str) //less than return 1; this_str++; that_str++; } return 0; //should never reach anyway } signed char String::naturalnocasecmp_to(const String &p_str) const { const CharType *this_str = c_str(); const CharType *that_str = p_str.c_str(); if (this_str && that_str) { while (*this_str == '.' || *that_str == '.') { if (*this_str++ != '.') return 1; if (*that_str++ != '.') return -1; if (!*that_str) return 1; if (!*this_str) return -1; } while (*this_str) { if (!*that_str) return 1; else if (IS_DIGIT(*this_str)) { int64_t this_int, that_int; if (!IS_DIGIT(*that_str)) return -1; /* Compare the numbers */ this_int = to_int(this_str); that_int = to_int(that_str); if (this_int < that_int) return -1; else if (this_int > that_int) return 1; /* Skip */ while (IS_DIGIT(*this_str)) this_str++; while (IS_DIGIT(*that_str)) that_str++; } else if (IS_DIGIT(*that_str)) return 1; else { if (_find_upper(*this_str) < _find_upper(*that_str)) //more than return -1; else if (_find_upper(*this_str) > _find_upper(*that_str)) //less than return 1; this_str++; that_str++; } } if (*that_str) return -1; } return 0; } void String::erase(int p_pos, int p_chars) { *this = left(p_pos) + substr(p_pos + p_chars, length() - ((p_pos + p_chars))); } String String::capitalize() const { String aux = this->camelcase_to_underscore(true).replace("_", " ").strip_edges(); String cap; for (int i = 0; i < aux.get_slice_count(" "); i++) { String slice = aux.get_slicec(' ', i); if (slice.length() > 0) { slice[0] = _find_upper(slice[0]); if (i > 0) cap += " "; cap += slice; } } return cap; } String String::camelcase_to_underscore(bool lowercase) const { const CharType *cstr = c_str(); String new_string; const char A = 'A', Z = 'Z'; const char a = 'a', z = 'z'; int start_index = 0; for (int i = 1; i < this->size(); i++) { bool is_upper = cstr[i] >= A && cstr[i] <= Z; bool is_number = cstr[i] >= '0' && cstr[i] <= '9'; bool are_next_2_lower = false; bool is_next_lower = false; bool is_next_number = false; bool was_precedent_upper = cstr[i - 1] >= A && cstr[i - 1] <= Z; bool was_precedent_number = cstr[i - 1] >= '0' && cstr[i - 1] <= '9'; if (i + 2 < this->size()) { are_next_2_lower = cstr[i + 1] >= a && cstr[i + 1] <= z && cstr[i + 2] >= a && cstr[i + 2] <= z; } if (i + 1 < this->size()) { is_next_lower = cstr[i + 1] >= a && cstr[i + 1] <= z; is_next_number = cstr[i + 1] >= '0' && cstr[i + 1] <= '9'; } const bool a = is_upper && !was_precedent_upper && !was_precedent_number; const bool b = was_precedent_upper && is_upper && are_next_2_lower; const bool c = is_number && !was_precedent_number; const bool can_break_number_letter = is_number && !was_precedent_number && is_next_lower; const bool can_break_letter_number = !is_number && was_precedent_number && (is_next_lower || is_next_number); bool should_split = a || b || c || can_break_number_letter || can_break_letter_number; if (should_split) { new_string += this->substr(start_index, i - start_index) + "_"; start_index = i; } } new_string += this->substr(start_index, this->size() - start_index); return lowercase ? new_string.to_lower() : new_string; } int String::get_slice_count(String p_splitter) const { if (empty()) return 0; if (p_splitter.empty()) return 0; int pos = 0; int slices = 1; while ((pos = find(p_splitter, pos)) >= 0) { slices++; pos += p_splitter.length(); } return slices; } String String::get_slice(String p_splitter, int p_slice) const { if (empty() || p_splitter.empty()) return ""; int pos = 0; int prev_pos = 0; //int slices=1; if (p_slice < 0) return ""; if (find(p_splitter) == -1) return *this; int i = 0; while (true) { pos = find(p_splitter, pos); if (pos == -1) pos = length(); //reached end int from = prev_pos; //int to=pos; if (p_slice == i) { return substr(from, pos - from); } if (pos == length()) //reached end and no find break; pos += p_splitter.length(); prev_pos = pos; i++; } return ""; //no find! } String String::get_slicec(CharType p_splitter, int p_slice) const { if (empty()) return String(); if (p_slice < 0) return String(); const CharType *c = this->ptr(); int i = 0; int prev = 0; int count = 0; while (true) { if (c[i] == 0 || c[i] == p_splitter) { if (p_slice == count) { return substr(prev, i - prev); } else if (c[i] == 0) { return String(); } else { count++; prev = i + 1; } } i++; } return String(); //no find! } Vector<String> String::split_spaces() const { Vector<String> ret; int from = 0; int i = 0; int len = length(); if (len == 0) return ret; bool inside = false; while (true) { bool empty = operator[](i) < 33; if (i == 0) inside = !empty; if (!empty && !inside) { inside = true; from = i; } if (empty && inside) { ret.push_back(substr(from, i - from)); inside = false; } if (i == len) break; i++; } return ret; } Vector<String> String::split(const String &p_splitter, bool p_allow_empty, int p_maxsplit) const { Vector<String> ret; int from = 0; int len = length(); while (true) { int end = find(p_splitter, from); if (end < 0) end = len; if (p_allow_empty || (end > from)) { if (p_maxsplit <= 0) ret.push_back(substr(from, end - from)); else if (p_maxsplit > 0) { // Put rest of the string and leave cycle. if (p_maxsplit == ret.size()) { ret.push_back(substr(from, len)); break; } // Otherwise, push items until positive limit is reached. ret.push_back(substr(from, end - from)); } } if (end == len) break; from = end + p_splitter.length(); } return ret; } Vector<String> String::rsplit(const String &p_splitter, bool p_allow_empty, int p_maxsplit) const { Vector<String> ret; const int len = length(); int remaining_len = len; while (true) { if (remaining_len < p_splitter.length() || (p_maxsplit > 0 && p_maxsplit == ret.size())) { // no room for another splitter or hit max splits, push what's left and we're done if (p_allow_empty || remaining_len > 0) { ret.push_back(substr(0, remaining_len)); } break; } int left_edge = rfind(p_splitter, remaining_len - p_splitter.length()); if (left_edge < 0) { // no more splitters, we're done ret.push_back(substr(0, remaining_len)); break; } int substr_start = left_edge + p_splitter.length(); if (p_allow_empty || substr_start < remaining_len) { ret.push_back(substr(substr_start, remaining_len - substr_start)); } remaining_len = left_edge; } ret.invert(); return ret; } Vector<float> String::split_floats(const String &p_splitter, bool p_allow_empty) const { Vector<float> ret; int from = 0; int len = length(); while (true) { int end = find(p_splitter, from); if (end < 0) end = len; if (p_allow_empty || (end > from)) ret.push_back(String::to_double(&c_str()[from])); if (end == len) break; from = end + p_splitter.length(); } return ret; } Vector<float> String::split_floats_mk(const Vector<String> &p_splitters, bool p_allow_empty) const { Vector<float> ret; int from = 0; int len = length(); while (true) { int idx; int end = findmk(p_splitters, from, &idx); int spl_len = 1; if (end < 0) { end = len; } else { spl_len = p_splitters[idx].length(); } if (p_allow_empty || (end > from)) { ret.push_back(String::to_double(&c_str()[from])); } if (end == len) break; from = end + spl_len; } return ret; } Vector<int> String::split_ints(const String &p_splitter, bool p_allow_empty) const { Vector<int> ret; int from = 0; int len = length(); while (true) { int end = find(p_splitter, from); if (end < 0) end = len; if (p_allow_empty || (end > from)) ret.push_back(String::to_int(&c_str()[from], end - from)); if (end == len) break; from = end + p_splitter.length(); } return ret; } Vector<int> String::split_ints_mk(const Vector<String> &p_splitters, bool p_allow_empty) const { Vector<int> ret; int from = 0; int len = length(); while (true) { int idx; int end = findmk(p_splitters, from, &idx); int spl_len = 1; if (end < 0) { end = len; } else { spl_len = p_splitters[idx].length(); } if (p_allow_empty || (end > from)) ret.push_back(String::to_int(&c_str()[from], end - from)); if (end == len) break; from = end + spl_len; } return ret; } String String::join(Vector<String> parts) { String ret; for (int i = 0; i < parts.size(); ++i) { if (i > 0) { ret += *this; } ret += parts[i]; } return ret; } CharType String::char_uppercase(CharType p_char) { return _find_upper(p_char); } CharType String::char_lowercase(CharType p_char) { return _find_lower(p_char); } String String::to_upper() const { String upper = *this; for (int i = 0; i < upper.size(); i++) { const CharType s = upper[i]; const CharType t = _find_upper(s); if (s != t) // avoid copy on write upper[i] = t; } return upper; } String String::to_lower() const { String lower = *this; for (int i = 0; i < lower.size(); i++) { const CharType s = lower[i]; const CharType t = _find_lower(s); if (s != t) // avoid copy on write lower[i] = t; } return lower; } const CharType *String::c_str() const { static const CharType zero = 0; return size() ? &operator[](0) : &zero; } String String::md5(const uint8_t *p_md5) { return String::hex_encode_buffer(p_md5, 16); } String String::hex_encode_buffer(const uint8_t *p_buffer, int p_len) { static const char hex[16] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' }; String ret; char v[2] = { 0, 0 }; for (int i = 0; i < p_len; i++) { v[0] = hex[p_buffer[i] >> 4]; ret += v; v[0] = hex[p_buffer[i] & 0xF]; ret += v; } return ret; } String String::chr(CharType p_char) { CharType c[2] = { p_char, 0 }; return String(c); } String String::num(double p_num, int p_decimals) { #ifndef NO_USE_STDLIB if (p_decimals > 16) p_decimals = 16; char fmt[7]; fmt[0] = '%'; fmt[1] = '.'; if (p_decimals < 0) { fmt[1] = 'l'; fmt[2] = 'f'; fmt[3] = 0; } else if (p_decimals < 10) { fmt[2] = '0' + p_decimals; fmt[3] = 'l'; fmt[4] = 'f'; fmt[5] = 0; } else { fmt[2] = '0' + (p_decimals / 10); fmt[3] = '0' + (p_decimals % 10); fmt[4] = 'l'; fmt[5] = 'f'; fmt[6] = 0; } char buf[256]; #if defined(__GNUC__) || defined(_MSC_VER) snprintf(buf, 256, fmt, p_num); #else sprintf(buf, fmt, p_num); #endif buf[255] = 0; //destroy trailing zeroes { bool period = false; int z = 0; while (buf[z]) { if (buf[z] == '.') period = true; z++; } if (period) { z--; while (z > 0) { if (buf[z] == '0') { buf[z] = 0; } else if (buf[z] == '.') { buf[z] = 0; break; } else { break; } z--; } } } return buf; #else String s; String sd; /* integer part */ bool neg = p_num < 0; p_num = ABS(p_num); int intn = (int)p_num; /* decimal part */ if (p_decimals > 0 || (p_decimals == -1 && (int)p_num != p_num)) { double dec = p_num - (float)((int)p_num); int digit = 0; if (p_decimals > MAX_DIGITS) p_decimals = MAX_DIGITS; int dec_int = 0; int dec_max = 0; while (true) { dec *= 10.0; dec_int = dec_int * 10 + (int)dec % 10; dec_max = dec_max * 10 + 9; digit++; if (p_decimals == -1) { if (digit == MAX_DIGITS) //no point in going to infinite break; if ((dec - (float)((int)dec)) < 1e-6) break; } if (digit == p_decimals) break; } dec *= 10; int last = (int)dec % 10; if (last > 5) { if (dec_int == dec_max) { dec_int = 0; intn++; } else { dec_int++; } } String decimal; for (int i = 0; i < digit; i++) { char num[2] = { 0, 0 }; num[0] = '0' + dec_int % 10; decimal = num + decimal; dec_int /= 10; } sd = '.' + decimal; } if (intn == 0) s = "0"; else { while (intn) { CharType num = '0' + (intn % 10); intn /= 10; s = num + s; } } s = s + sd; if (neg) s = "-" + s; return s; #endif } String String::num_int64(int64_t p_num, int base, bool capitalize_hex) { bool sign = p_num < 0; int64_t n = p_num; int chars = 0; do { n /= base; chars++; } while (n); if (sign) chars++; String s; s.resize(chars + 1); CharType *c = s.ptrw(); c[chars] = 0; n = p_num; do { int mod = ABS(n % base); if (mod >= 10) { char a = (capitalize_hex ? 'A' : 'a'); c[--chars] = a + (mod - 10); } else { c[--chars] = '0' + mod; } n /= base; } while (n); if (sign) c[0] = '-'; return s; } String String::num_uint64(uint64_t p_num, int base, bool capitalize_hex) { uint64_t n = p_num; int chars = 0; do { n /= base; chars++; } while (n); String s; s.resize(chars + 1); CharType *c = s.ptrw(); c[chars] = 0; n = p_num; do { int mod = n % base; if (mod >= 10) { char a = (capitalize_hex ? 'A' : 'a'); c[--chars] = a + (mod - 10); } else { c[--chars] = '0' + mod; } n /= base; } while (n); return s; } String String::num_real(double p_num) { String s; String sd; /* integer part */ bool neg = p_num < 0; p_num = ABS(p_num); int intn = (int)p_num; /* decimal part */ if ((int)p_num != p_num) { double dec = p_num - (float)((int)p_num); int digit = 0; int decimals = MAX_DIGITS; int dec_int = 0; int dec_max = 0; while (true) { dec *= 10.0; dec_int = dec_int * 10 + (int)dec % 10; dec_max = dec_max * 10 + 9; digit++; if ((dec - (float)((int)dec)) < 1e-6) break; if (digit == decimals) break; } dec *= 10; int last = (int)dec % 10; if (last > 5) { if (dec_int == dec_max) { dec_int = 0; intn++; } else { dec_int++; } } String decimal; for (int i = 0; i < digit; i++) { char num[2] = { 0, 0 }; num[0] = '0' + dec_int % 10; decimal = num + decimal; dec_int /= 10; } sd = '.' + decimal; } else { sd = ".0"; } if (intn == 0) s = "0"; else { while (intn) { CharType num = '0' + (intn % 10); intn /= 10; s = num + s; } } s = s + sd; if (neg) s = "-" + s; return s; } String String::num_scientific(double p_num) { #ifndef NO_USE_STDLIB char buf[256]; #if defined(__GNUC__) || defined(_MSC_VER) snprintf(buf, 256, "%lg", p_num); #else sprintf(buf, "%.16lg", p_num); #endif buf[255] = 0; return buf; #else return String::num(p_num); #endif } CharString String::ascii(bool p_allow_extended) const { if (!length()) return CharString(); CharString cs; cs.resize(size()); for (int i = 0; i < size(); i++) cs[i] = operator[](i); return cs; } String String::utf8(const char *p_utf8, int p_len) { String ret; ret.parse_utf8(p_utf8, p_len); return ret; }; bool String::parse_utf8(const char *p_utf8, int p_len) { #define _UNICERROR(m_err) print_line("Unicode error: " + String(m_err)); String aux; int cstr_size = 0; int str_size = 0; /* HANDLE BOM (Byte Order Mark) */ if (p_len < 0 || p_len >= 3) { bool has_bom = uint8_t(p_utf8[0]) == 0xEF && uint8_t(p_utf8[1]) == 0xBB && uint8_t(p_utf8[2]) == 0xBF; if (has_bom) { //just skip it if (p_len >= 0) p_len -= 3; p_utf8 += 3; } } { const char *ptrtmp = p_utf8; const char *ptrtmp_limit = &p_utf8[p_len]; int skip = 0; while (ptrtmp != ptrtmp_limit && *ptrtmp) { if (skip == 0) { uint8_t c = *ptrtmp; /* Determine the number of characters in sequence */ if ((c & 0x80) == 0) skip = 0; else if ((c & 0xE0) == 0xC0) skip = 1; else if ((c & 0xF0) == 0xE0) skip = 2; else if ((c & 0xF8) == 0xF0) skip = 3; else if ((c & 0xFC) == 0xF8) skip = 4; else if ((c & 0xFE) == 0xFC) skip = 5; else { _UNICERROR("invalid skip"); return true; //invalid utf8 } if (skip == 1 && (c & 0x1E) == 0) { //printf("overlong rejected\n"); _UNICERROR("overlong rejected"); return true; //reject overlong } str_size++; } else { --skip; } cstr_size++; ptrtmp++; } if (skip) { _UNICERROR("no space left"); return true; //not enough spac } } if (str_size == 0) { clear(); return false; } resize(str_size + 1); CharType *dst = &operator[](0); dst[str_size] = 0; while (cstr_size) { int len = 0; /* Determine the number of characters in sequence */ if ((*p_utf8 & 0x80) == 0) len = 1; else if ((*p_utf8 & 0xE0) == 0xC0) len = 2; else if ((*p_utf8 & 0xF0) == 0xE0) len = 3; else if ((*p_utf8 & 0xF8) == 0xF0) len = 4; else if ((*p_utf8 & 0xFC) == 0xF8) len = 5; else if ((*p_utf8 & 0xFE) == 0xFC) len = 6; else { _UNICERROR("invalid len"); return true; //invalid UTF8 } if (len > cstr_size) { _UNICERROR("no space left"); return true; //not enough space } if (len == 2 && (*p_utf8 & 0x1E) == 0) { //printf("overlong rejected\n"); _UNICERROR("no space left"); return true; //reject overlong } /* Convert the first character */ uint32_t unichar = 0; if (len == 1) unichar = *p_utf8; else { unichar = (0xFF >> (len + 1)) & *p_utf8; for (int i = 1; i < len; i++) { if ((p_utf8[i] & 0xC0) != 0x80) { _UNICERROR("invalid utf8"); return true; //invalid utf8 } if (unichar == 0 && i == 2 && ((p_utf8[i] & 0x7F) >> (7 - len)) == 0) { _UNICERROR("invalid utf8 overlong"); return true; //no overlong } unichar = (unichar << 6) | (p_utf8[i] & 0x3F); } } //printf("char %i, len %i\n",unichar,len); if (sizeof(wchar_t) == 2 && unichar > 0xFFFF) { unichar = ' '; //too long for windows } *(dst++) = unichar; cstr_size -= len; p_utf8 += len; } return false; } CharString String::utf8() const { int l = length(); if (!l) return CharString(); const CharType *d = &operator[](0); int fl = 0; for (int i = 0; i < l; i++) { uint32_t c = d[i]; if (c <= 0x7f) // 7 bits. fl += 1; else if (c <= 0x7ff) { // 11 bits fl += 2; } else if (c <= 0xffff) { // 16 bits fl += 3; } else if (c <= 0x001fffff) { // 21 bits fl += 4; } else if (c <= 0x03ffffff) { // 26 bits fl += 5; } else if (c <= 0x7fffffff) { // 31 bits fl += 6; } } CharString utf8s; if (fl == 0) { return utf8s; } utf8s.resize(fl + 1); uint8_t *cdst = (uint8_t *)utf8s.get_data(); #define APPEND_CHAR(m_c) *(cdst++) = m_c for (int i = 0; i < l; i++) { uint32_t c = d[i]; if (c <= 0x7f) // 7 bits. APPEND_CHAR(c); else if (c <= 0x7ff) { // 11 bits APPEND_CHAR(uint32_t(0xc0 | ((c >> 6) & 0x1f))); // Top 5 bits. APPEND_CHAR(uint32_t(0x80 | (c & 0x3f))); // Bottom 6 bits. } else if (c <= 0xffff) { // 16 bits APPEND_CHAR(uint32_t(0xe0 | ((c >> 12) & 0x0f))); // Top 4 bits. APPEND_CHAR(uint32_t(0x80 | ((c >> 6) & 0x3f))); // Middle 6 bits. APPEND_CHAR(uint32_t(0x80 | (c & 0x3f))); // Bottom 6 bits. } else if (c <= 0x001fffff) { // 21 bits APPEND_CHAR(uint32_t(0xf0 | ((c >> 18) & 0x07))); // Top 3 bits. APPEND_CHAR(uint32_t(0x80 | ((c >> 12) & 0x3f))); // Upper middle 6 bits. APPEND_CHAR(uint32_t(0x80 | ((c >> 6) & 0x3f))); // Lower middle 6 bits. APPEND_CHAR(uint32_t(0x80 | (c & 0x3f))); // Bottom 6 bits. } else if (c <= 0x03ffffff) { // 26 bits APPEND_CHAR(uint32_t(0xf8 | ((c >> 24) & 0x03))); // Top 2 bits. APPEND_CHAR(uint32_t(0x80 | ((c >> 18) & 0x3f))); // Upper middle 6 bits. APPEND_CHAR(uint32_t(0x80 | ((c >> 12) & 0x3f))); // middle 6 bits. APPEND_CHAR(uint32_t(0x80 | ((c >> 6) & 0x3f))); // Lower middle 6 bits. APPEND_CHAR(uint32_t(0x80 | (c & 0x3f))); // Bottom 6 bits. } else if (c <= 0x7fffffff) { // 31 bits APPEND_CHAR(uint32_t(0xfc | ((c >> 30) & 0x01))); // Top 1 bit. APPEND_CHAR(uint32_t(0x80 | ((c >> 24) & 0x3f))); // Upper upper middle 6 bits. APPEND_CHAR(uint32_t(0x80 | ((c >> 18) & 0x3f))); // Lower upper middle 6 bits. APPEND_CHAR(uint32_t(0x80 | ((c >> 12) & 0x3f))); // Upper lower middle 6 bits. APPEND_CHAR(uint32_t(0x80 | ((c >> 6) & 0x3f))); // Lower lower middle 6 bits. APPEND_CHAR(uint32_t(0x80 | (c & 0x3f))); // Bottom 6 bits. } } #undef APPEND_CHAR *cdst = 0; //trailing zero return utf8s; } /* String::String(CharType p_char) { shared=NULL; copy_from(p_char); } */ String::String(const char *p_str) { copy_from(p_str); } String::String(const CharType *p_str, int p_clip_to_len) { copy_from(p_str, p_clip_to_len); } String::String(const StrRange &p_range) { if (!p_range.c_str) return; copy_from(p_range.c_str, p_range.len); } int String::hex_to_int(bool p_with_prefix) const { if (p_with_prefix && length() < 3) return 0; const CharType *s = ptr(); int sign = s[0] == '-' ? -1 : 1; if (sign < 0) { s++; } if (p_with_prefix) { if (s[0] != '0' || s[1] != 'x') return 0; s += 2; } int hex = 0; while (*s) { CharType c = LOWERCASE(*s); int n; if (c >= '0' && c <= '9') { n = c - '0'; } else if (c >= 'a' && c <= 'f') { n = (c - 'a') + 10; } else { return 0; } hex *= 16; hex += n; s++; } return hex * sign; } int64_t String::hex_to_int64(bool p_with_prefix) const { if (p_with_prefix && length() < 3) return 0; const CharType *s = ptr(); int64_t sign = s[0] == '-' ? -1 : 1; if (sign < 0) { s++; } if (p_with_prefix) { if (s[0] != '0' || s[1] != 'x') return 0; s += 2; } int64_t hex = 0; while (*s) { CharType c = LOWERCASE(*s); int64_t n; if (c >= '0' && c <= '9') { n = c - '0'; } else if (c >= 'a' && c <= 'f') { n = (c - 'a') + 10; } else { return 0; } hex *= 16; hex += n; s++; } return hex * sign; } int String::to_int() const { if (length() == 0) return 0; int to = (find(".") >= 0) ? find(".") : length(); int integer = 0; int sign = 1; for (int i = 0; i < to; i++) { CharType c = operator[](i); if (c >= '0' && c <= '9') { integer *= 10; integer += c - '0'; } else if (integer == 0 && c == '-') { sign = -sign; } } return integer * sign; } int64_t String::to_int64() const { if (length() == 0) return 0; int to = (find(".") >= 0) ? find(".") : length(); int64_t integer = 0; int64_t sign = 1; for (int i = 0; i < to; i++) { CharType c = operator[](i); if (c >= '0' && c <= '9') { integer *= 10; integer += c - '0'; } else if (integer == 0 && c == '-') { sign = -sign; } } return integer * sign; } int String::to_int(const char *p_str, int p_len) { int to = 0; if (p_len >= 0) to = p_len; else { while (p_str[to] != 0 && p_str[to] != '.') to++; } int integer = 0; int sign = 1; for (int i = 0; i < to; i++) { char c = p_str[i]; if (c >= '0' && c <= '9') { integer *= 10; integer += c - '0'; } else if (c == '-' && integer == 0) { sign = -sign; } else if (c != ' ') break; } return integer * sign; } bool String::is_numeric() const { if (length() == 0) { return false; }; int s = 0; if (operator[](0) == '-') ++s; bool dot = false; for (int i = s; i < length(); i++) { CharType c = operator[](i); if (c == '.') { if (dot) { return false; }; dot = true; } if (c < '0' || c > '9') { return false; }; }; return true; // TODO: Use the parser below for this instead }; template <class C> static double built_in_strtod(const C *string, /* A decimal ASCII floating-point number, * optionally preceded by white space. Must * have form "-I.FE-X", where I is the integer * part of the mantissa, F is the fractional * part of the mantissa, and X is the * exponent. Either of the signs may be "+", * "-", or omitted. Either I or F may be * omitted, or both. The decimal point isn't * necessary unless F is present. The "E" may * actually be an "e". E and X may both be * omitted (but not just one). */ C **endPtr = NULL) /* If non-NULL, store terminating Cacter's * address here. */ { static const int maxExponent = 511; /* Largest possible base 10 exponent. Any * exponent larger than this will already * produce underflow or overflow, so there's * no need to worry about additional digits. */ static const double powersOf10[] = { /* Table giving binary powers of 10. Entry */ 10., /* is 10^2^i. Used to convert decimal */ 100., /* exponents into floating-point numbers. */ 1.0e4, 1.0e8, 1.0e16, 1.0e32, 1.0e64, 1.0e128, 1.0e256 }; int sign, expSign = false; double fraction, dblExp; const double *d; const C *p; int c; int exp = 0; /* Exponent read from "EX" field. */ int fracExp = 0; /* Exponent that derives from the fractional * part. Under normal circumstances, it is * the negative of the number of digits in F. * However, if I is very long, the last digits * of I get dropped (otherwise a long I with a * large negative exponent could cause an * unnecessary overflow on I alone). In this * case, fracExp is incremented one for each * dropped digit. */ int mantSize; /* Number of digits in mantissa. */ int decPt; /* Number of mantissa digits BEFORE decimal * point. */ const C *pExp; /* Temporarily holds location of exponent in * string. */ /* * Strip off leading blanks and check for a sign. */ p = string; while (*p == ' ' || *p == '\t' || *p == '\n') { p += 1; } if (*p == '-') { sign = true; p += 1; } else { if (*p == '+') { p += 1; } sign = false; } /* * Count the number of digits in the mantissa (including the decimal * point), and also locate the decimal point. */ decPt = -1; for (mantSize = 0;; mantSize += 1) { c = *p; if (!IS_DIGIT(c)) { if ((c != '.') || (decPt >= 0)) { break; } decPt = mantSize; } p += 1; } /* * Now suck up the digits in the mantissa. Use two integers to collect 9 * digits each (this is faster than using floating-point). If the mantissa * has more than 18 digits, ignore the extras, since they can't affect the * value anyway. */ pExp = p; p -= mantSize; if (decPt < 0) { decPt = mantSize; } else { mantSize -= 1; /* One of the digits was the point. */ } if (mantSize > 18) { fracExp = decPt - 18; mantSize = 18; } else { fracExp = decPt - mantSize; } if (mantSize == 0) { fraction = 0.0; p = string; goto done; } else { int frac1, frac2; frac1 = 0; for (; mantSize > 9; mantSize -= 1) { c = *p; p += 1; if (c == '.') { c = *p; p += 1; } frac1 = 10 * frac1 + (c - '0'); } frac2 = 0; for (; mantSize > 0; mantSize -= 1) { c = *p; p += 1; if (c == '.') { c = *p; p += 1; } frac2 = 10 * frac2 + (c - '0'); } fraction = (1.0e9 * frac1) + frac2; } /* * Skim off the exponent. */ p = pExp; if ((*p == 'E') || (*p == 'e')) { p += 1; if (*p == '-') { expSign = true; p += 1; } else { if (*p == '+') { p += 1; } expSign = false; } if (!IS_DIGIT(CharType(*p))) { p = pExp; goto done; } while (IS_DIGIT(CharType(*p))) { exp = exp * 10 + (*p - '0'); p += 1; } } if (expSign) { exp = fracExp - exp; } else { exp = fracExp + exp; } /* * Generate a floating-point number that represents the exponent. Do this * by processing the exponent one bit at a time to combine many powers of * 2 of 10. Then combine the exponent with the fraction. */ if (exp < 0) { expSign = true; exp = -exp; } else { expSign = false; } if (exp > maxExponent) { exp = maxExponent; WARN_PRINT("Exponent too high"); } dblExp = 1.0; for (d = powersOf10; exp != 0; exp >>= 1, ++d) { if (exp & 01) { dblExp *= *d; } } if (expSign) { fraction /= dblExp; } else { fraction *= dblExp; } done: if (endPtr != NULL) { *endPtr = (C *)p; } if (sign) { return -fraction; } return fraction; } #define READING_SIGN 0 #define READING_INT 1 #define READING_DEC 2 #define READING_EXP 3 #define READING_DONE 4 double String::to_double(const char *p_str) { #ifndef NO_USE_STDLIB return built_in_strtod<char>(p_str); //return atof(p_str); DOES NOT WORK ON ANDROID(??) #else return built_in_strtod<char>(p_str); #endif } float String::to_float() const { return to_double(); } double String::to_double(const CharType *p_str, const CharType **r_end) { return built_in_strtod<CharType>(p_str, (CharType **)r_end); } int64_t String::to_int(const CharType *p_str, int p_len) { if (p_len == 0 || !p_str[0]) return 0; ///@todo make more exact so saving and loading does not lose precision int64_t integer = 0; int64_t sign = 1; int reading = READING_SIGN; const CharType *str = p_str; const CharType *limit = &p_str[p_len]; while (*str && reading != READING_DONE && str != limit) { CharType c = *(str++); switch (reading) { case READING_SIGN: { if (c >= '0' && c <= '9') { reading = READING_INT; // let it fallthrough } else if (c == '-') { sign = -1; reading = READING_INT; break; } else if (c == '+') { sign = 1; reading = READING_INT; break; } else { break; } } case READING_INT: { if (c >= '0' && c <= '9') { integer *= 10; integer += c - '0'; } else { reading = READING_DONE; } } break; } } return sign * integer; } double String::to_double() const { if (empty()) return 0; #ifndef NO_USE_STDLIB return built_in_strtod<CharType>(c_str()); //return wcstod(c_str(),NULL); DOES NOT WORK ON ANDROID :( #else return built_in_strtod<CharType>(c_str()); #endif } bool operator==(const char *p_chr, const String &p_str) { return p_str == p_chr; } String operator+(const char *p_chr, const String &p_str) { String tmp = p_chr; tmp += p_str; return tmp; } String operator+(CharType p_chr, const String &p_str) { return (String::chr(p_chr) + p_str); } uint32_t String::hash(const char *p_cstr) { uint32_t hashv = 5381; uint32_t c; while ((c = *p_cstr++)) hashv = ((hashv << 5) + hashv) + c; /* hash * 33 + c */ return hashv; } uint32_t String::hash(const char *p_cstr, int p_len) { uint32_t hashv = 5381; for (int i = 0; i < p_len; i++) hashv = ((hashv << 5) + hashv) + p_cstr[i]; /* hash * 33 + c */ return hashv; } uint32_t String::hash(const CharType *p_cstr, int p_len) { uint32_t hashv = 5381; for (int i = 0; i < p_len; i++) hashv = ((hashv << 5) + hashv) + p_cstr[i]; /* hash * 33 + c */ return hashv; } uint32_t String::hash(const CharType *p_cstr) { uint32_t hashv = 5381; uint32_t c; while ((c = *p_cstr++)) hashv = ((hashv << 5) + hashv) + c; /* hash * 33 + c */ return hashv; } uint32_t String::hash() const { /* simple djb2 hashing */ const CharType *chr = c_str(); uint32_t hashv = 5381; uint32_t c; while ((c = *chr++)) hashv = ((hashv << 5) + hashv) + c; /* hash * 33 + c */ return hashv; } uint64_t String::hash64() const { /* simple djb2 hashing */ const CharType *chr = c_str(); uint64_t hashv = 5381; uint64_t c; while ((c = *chr++)) hashv = ((hashv << 5) + hashv) + c; /* hash * 33 + c */ return hashv; } String String::md5_text() const { CharString cs = utf8(); MD5_CTX ctx; MD5Init(&ctx); MD5Update(&ctx, (unsigned char *)cs.ptr(), cs.length()); MD5Final(&ctx); return String::md5(ctx.digest); } String String::sha256_text() const { CharString cs = utf8(); unsigned char hash[32]; sha256_context ctx; sha256_init(&ctx); sha256_hash(&ctx, (unsigned char *)cs.ptr(), cs.length()); sha256_done(&ctx, hash); return String::hex_encode_buffer(hash, 32); } Vector<uint8_t> String::md5_buffer() const { CharString cs = utf8(); MD5_CTX ctx; MD5Init(&ctx); MD5Update(&ctx, (unsigned char *)cs.ptr(), cs.length()); MD5Final(&ctx); Vector<uint8_t> ret; ret.resize(16); for (int i = 0; i < 16; i++) { ret.write[i] = ctx.digest[i]; }; return ret; }; Vector<uint8_t> String::sha256_buffer() const { CharString cs = utf8(); unsigned char hash[32]; sha256_context ctx; sha256_init(&ctx); sha256_hash(&ctx, (unsigned char *)cs.ptr(), cs.length()); sha256_done(&ctx, hash); Vector<uint8_t> ret; ret.resize(32); for (int i = 0; i < 32; i++) { ret.write[i] = hash[i]; } return ret; } String String::insert(int p_at_pos, const String &p_string) const { if (p_at_pos < 0) return *this; if (p_at_pos > length()) p_at_pos = length(); String pre; if (p_at_pos > 0) pre = substr(0, p_at_pos); String post; if (p_at_pos < length()) post = substr(p_at_pos, length() - p_at_pos); return pre + p_string + post; } String String::substr(int p_from, int p_chars) const { if (empty() || p_from < 0 || p_from >= length() || p_chars <= 0) return ""; if ((p_from + p_chars) > length()) { p_chars = length() - p_from; } if (p_from == 0 && p_chars >= length()) { return String(*this); } String s = String(); s.copy_from_unchecked(&c_str()[p_from], p_chars); return s; } int String::find_last(const String &p_str) const { int pos = -1; int findfrom = 0; int findres = -1; while ((findres = find(p_str, findfrom)) != -1) { pos = findres; findfrom = pos + 1; } return pos; } int String::find(const String &p_str, int p_from) const { if (p_from < 0) return -1; const int src_len = p_str.length(); const int len = length(); if (src_len == 0 || len == 0) return -1; // won't find anything! const CharType *src = c_str(); const CharType *str = p_str.c_str(); for (int i = p_from; i <= (len - src_len); i++) { bool found = true; for (int j = 0; j < src_len; j++) { int read_pos = i + j; if (read_pos >= len) { ERR_PRINT("read_pos>=len"); return -1; }; if (src[read_pos] != str[j]) { found = false; break; } } if (found) return i; } return -1; } int String::find(const char *p_str, int p_from) const { if (p_from < 0) return -1; const int len = length(); if (len == 0) return -1; // won't find anything! const CharType *src = c_str(); int src_len = 0; while (p_str[src_len] != '\0') src_len++; if (src_len == 1) { const char needle = p_str[0]; for (int i = p_from; i < len; i++) { if (src[i] == needle) { return i; } } } else { for (int i = p_from; i <= (len - src_len); i++) { bool found = true; for (int j = 0; j < src_len; j++) { int read_pos = i + j; if (read_pos >= len) { ERR_PRINT("read_pos>=len"); return -1; }; if (src[read_pos] != p_str[j]) { found = false; break; } } if (found) return i; } } return -1; } int String::findmk(const Vector<String> &p_keys, int p_from, int *r_key) const { if (p_from < 0) return -1; if (p_keys.size() == 0) return -1; //int src_len=p_str.length(); const String *keys = &p_keys[0]; int key_count = p_keys.size(); int len = length(); if (len == 0) return -1; // won't find anything! const CharType *src = c_str(); for (int i = p_from; i < len; i++) { bool found = true; for (int k = 0; k < key_count; k++) { found = true; if (r_key) *r_key = k; const CharType *cmp = keys[k].c_str(); int l = keys[k].length(); for (int j = 0; j < l; j++) { int read_pos = i + j; if (read_pos >= len) { found = false; break; }; if (src[read_pos] != cmp[j]) { found = false; break; } } if (found) break; } if (found) return i; } return -1; } int String::findn(const String &p_str, int p_from) const { if (p_from < 0) return -1; int src_len = p_str.length(); if (src_len == 0 || length() == 0) return -1; // won't find anything! const CharType *srcd = c_str(); for (int i = p_from; i <= (length() - src_len); i++) { bool found = true; for (int j = 0; j < src_len; j++) { int read_pos = i + j; if (read_pos >= length()) { ERR_PRINT("read_pos>=length()"); return -1; }; CharType src = _find_lower(srcd[read_pos]); CharType dst = _find_lower(p_str[j]); if (src != dst) { found = false; break; } } if (found) return i; } return -1; } int String::rfind(const String &p_str, int p_from) const { // establish a limit int limit = length() - p_str.length(); if (limit < 0) return -1; // establish a starting point if (p_from < 0) p_from = limit; else if (p_from > limit) p_from = limit; int src_len = p_str.length(); int len = length(); if (src_len == 0 || len == 0) return -1; // won't find anything! const CharType *src = c_str(); for (int i = p_from; i >= 0; i--) { bool found = true; for (int j = 0; j < src_len; j++) { int read_pos = i + j; if (read_pos >= len) { ERR_PRINT("read_pos>=len"); return -1; }; if (src[read_pos] != p_str[j]) { found = false; break; } } if (found) return i; } return -1; } int String::rfindn(const String &p_str, int p_from) const { // establish a limit int limit = length() - p_str.length(); if (limit < 0) return -1; // establish a starting point if (p_from < 0) p_from = limit; else if (p_from > limit) p_from = limit; int src_len = p_str.length(); int len = length(); if (src_len == 0 || len == 0) return -1; // won't find anything! const CharType *src = c_str(); for (int i = p_from; i >= 0; i--) { bool found = true; for (int j = 0; j < src_len; j++) { int read_pos = i + j; if (read_pos >= len) { ERR_PRINT("read_pos>=len"); return -1; }; CharType srcc = _find_lower(src[read_pos]); CharType dstc = _find_lower(p_str[j]); if (srcc != dstc) { found = false; break; } } if (found) return i; } return -1; } bool String::ends_with(const String &p_string) const { int pos = find_last(p_string); if (pos == -1) return false; return pos + p_string.length() == length(); } bool String::begins_with(const String &p_string) const { if (p_string.length() > length()) return false; int l = p_string.length(); if (l == 0) return true; const CharType *src = &p_string[0]; const CharType *str = &operator[](0); int i = 0; for (; i < l; i++) { if (src[i] != str[i]) return false; } // only if i == l the p_string matches the beginning return i == l; } bool String::begins_with(const char *p_string) const { int l = length(); if (l == 0 || !p_string) return false; const CharType *str = &operator[](0); int i = 0; while (*p_string && i < l) { if (*p_string != str[i]) return false; i++; p_string++; } return *p_string == 0; } bool String::is_enclosed_in(const String &p_string) const { return begins_with(p_string) && ends_with(p_string); } bool String::is_subsequence_of(const String &p_string) const { return _base_is_subsequence_of(p_string, false); } bool String::is_subsequence_ofi(const String &p_string) const { return _base_is_subsequence_of(p_string, true); } bool String::is_quoted() const { return is_enclosed_in("\"") || is_enclosed_in("'"); } bool String::_base_is_subsequence_of(const String &p_string, bool case_insensitive) const { int len = length(); if (len == 0) { // Technically an empty string is subsequence of any string return true; } if (len > p_string.length()) { return false; } const CharType *src = &operator[](0); const CharType *tgt = &p_string[0]; for (; *src && *tgt; tgt++) { bool match = false; if (case_insensitive) { CharType srcc = _find_lower(*src); CharType tgtc = _find_lower(*tgt); match = srcc == tgtc; } else { match = *src == *tgt; } if (match) { src++; if (!*src) { return true; } } } return false; } Vector<String> String::bigrams() const { int n_pairs = length() - 1; Vector<String> b; if (n_pairs <= 0) { return b; } b.resize(n_pairs); for (int i = 0; i < n_pairs; i++) { b.write[i] = substr(i, 2); } return b; } // Similarity according to Sorensen-Dice coefficient float String::similarity(const String &p_string) const { if (operator==(p_string)) { // Equal strings are totally similar return 1.0f; } if (length() < 2 || p_string.length() < 2) { // No way to calculate similarity without a single bigram return 0.0f; } Vector<String> src_bigrams = bigrams(); Vector<String> tgt_bigrams = p_string.bigrams(); int src_size = src_bigrams.size(); int tgt_size = tgt_bigrams.size(); float sum = src_size + tgt_size; float inter = 0; for (int i = 0; i < src_size; i++) { for (int j = 0; j < tgt_size; j++) { if (src_bigrams[i] == tgt_bigrams[j]) { inter++; break; } } } return (2.0f * inter) / sum; } static bool _wildcard_match(const CharType *p_pattern, const CharType *p_string, bool p_case_sensitive) { switch (*p_pattern) { case '\0': return !*p_string; case '*': return _wildcard_match(p_pattern + 1, p_string, p_case_sensitive) || (*p_string && _wildcard_match(p_pattern, p_string + 1, p_case_sensitive)); case '?': return *p_string && (*p_string != '.') && _wildcard_match(p_pattern + 1, p_string + 1, p_case_sensitive); default: return (p_case_sensitive ? (*p_string == *p_pattern) : (_find_upper(*p_string) == _find_upper(*p_pattern))) && _wildcard_match(p_pattern + 1, p_string + 1, p_case_sensitive); } } bool String::match(const String &p_wildcard) const { if (!p_wildcard.length() || !length()) return false; return _wildcard_match(p_wildcard.c_str(), c_str(), true); } bool String::matchn(const String &p_wildcard) const { if (!p_wildcard.length() || !length()) return false; return _wildcard_match(p_wildcard.c_str(), c_str(), false); } String String::format(const Variant &values, String placeholder) const { String new_string = String(this->ptr()); if (values.get_type() == Variant::ARRAY) { Array values_arr = values; for (int i = 0; i < values_arr.size(); i++) { String i_as_str = String::num_int64(i); if (values_arr[i].get_type() == Variant::ARRAY) { //Array in Array structure [["name","RobotGuy"],[0,"godot"],["strength",9000.91]] Array value_arr = values_arr[i]; if (value_arr.size() == 2) { Variant v_key = value_arr[0]; String key = v_key; if (key.left(1) == "\"" && key.right(key.length() - 1) == "\"") { key = key.substr(1, key.length() - 2); } Variant v_val = value_arr[1]; String val = v_val; if (val.left(1) == "\"" && val.right(val.length() - 1) == "\"") { val = val.substr(1, val.length() - 2); } new_string = new_string.replace(placeholder.replace("_", key), val); } else { ERR_PRINT(String("STRING.format Inner Array size != 2 ").ascii().get_data()); } } else { //Array structure ["RobotGuy","Logis","rookie"] Variant v_val = values_arr[i]; String val = v_val; if (val.left(1) == "\"" && val.right(val.length() - 1) == "\"") { val = val.substr(1, val.length() - 2); } if (placeholder.find("_") > -1) { new_string = new_string.replace(placeholder.replace("_", i_as_str), val); } else { new_string = new_string.replace_first(placeholder, val); } } } } else if (values.get_type() == Variant::DICTIONARY) { Dictionary d = values; List<Variant> keys; d.get_key_list(&keys); for (List<Variant>::Element *E = keys.front(); E; E = E->next()) { String key = E->get(); String val = d[E->get()]; if (key.left(1) == "\"" && key.right(key.length() - 1) == "\"") { key = key.substr(1, key.length() - 2); } if (val.left(1) == "\"" && val.right(val.length() - 1) == "\"") { val = val.substr(1, val.length() - 2); } new_string = new_string.replace(placeholder.replace("_", key), val); } } else { ERR_PRINT(String("Invalid type: use Array or Dictionary.").ascii().get_data()); } return new_string; } String String::replace(const String &p_key, const String &p_with) const { String new_string; int search_from = 0; int result = 0; while ((result = find(p_key, search_from)) >= 0) { new_string += substr(search_from, result - search_from); new_string += p_with; search_from = result + p_key.length(); } if (search_from == 0) { return *this; } new_string += substr(search_from, length() - search_from); return new_string; } String String::replace(const char *p_key, const char *p_with) const { String new_string; int search_from = 0; int result = 0; while ((result = find(p_key, search_from)) >= 0) { new_string += substr(search_from, result - search_from); new_string += p_with; int k = 0; while (p_key[k] != '\0') k++; search_from = result + k; } if (search_from == 0) { return *this; } new_string += substr(search_from, length() - search_from); return new_string; } String String::replace_first(const String &p_key, const String &p_with) const { String new_string; int search_from = 0; int result = 0; while ((result = find(p_key, search_from)) >= 0) { new_string += substr(search_from, result - search_from); new_string += p_with; search_from = result + p_key.length(); break; } if (search_from == 0) { return *this; } new_string += substr(search_from, length() - search_from); return new_string; } String String::replacen(const String &p_key, const String &p_with) const { String new_string; int search_from = 0; int result = 0; while ((result = findn(p_key, search_from)) >= 0) { new_string += substr(search_from, result - search_from); new_string += p_with; search_from = result + p_key.length(); } if (search_from == 0) { return *this; } new_string += substr(search_from, length() - search_from); return new_string; } String String::left(int p_pos) const { if (p_pos <= 0) return ""; if (p_pos >= length()) return *this; return substr(0, p_pos); } String String::right(int p_pos) const { if (p_pos >= size()) return *this; if (p_pos < 0) return ""; return substr(p_pos, (length() - p_pos)); } CharType String::ord_at(int p_idx) const { ERR_FAIL_INDEX_V(p_idx, length(), 0); return operator[](p_idx); } String String::dedent() const { String new_string; String indent; bool has_indent = false; bool has_text = false; int line_start = 0; int indent_stop = -1; for (int i = 0; i < length(); i++) { CharType c = operator[](i); if (c == '\n') { if (has_text) new_string += substr(indent_stop, i - indent_stop); new_string += "\n"; has_text = false; line_start = i + 1; indent_stop = -1; } else if (!has_text) { if (c > 32) { has_text = true; if (!has_indent) { has_indent = true; indent = substr(line_start, i - line_start); indent_stop = i; } } if (has_indent && indent_stop < 0) { int j = i - line_start; if (j >= indent.length() || c != indent[j]) indent_stop = i; } } } if (has_text) new_string += substr(indent_stop, length() - indent_stop); return new_string; } String String::strip_edges(bool left, bool right) const { int len = length(); int beg = 0, end = len; if (left) { for (int i = 0; i < len; i++) { if (operator[](i) <= 32) beg++; else break; } } if (right) { for (int i = (int)(len - 1); i >= 0; i--) { if (operator[](i) <= 32) end--; else break; } } if (beg == 0 && end == len) return *this; return substr(beg, end - beg); } String String::strip_escapes() const { int len = length(); int beg = 0, end = len; for (int i = 0; i < length(); i++) { if (operator[](i) <= 31) beg++; else break; } for (int i = (int)(length() - 1); i >= 0; i--) { if (operator[](i) <= 31) end--; else break; } if (beg == 0 && end == len) return *this; return substr(beg, end - beg); } String String::lstrip(const String &p_chars) const { int len = length(); int beg; for (beg = 0; beg < len; beg++) { if (p_chars.find(&ptr()[beg]) == -1) break; } if (beg == 0) return *this; return substr(beg, len - beg); } String String::rstrip(const String &p_chars) const { int len = length(); int end; for (end = len - 1; end >= 0; end--) { if (p_chars.find(&ptr()[end]) == -1) break; } if (end == len - 1) return *this; return substr(0, end + 1); } String String::simplify_path() const { String s = *this; String drive; if (s.begins_with("local://")) { drive = "local://"; s = s.substr(8, s.length()); } else if (s.begins_with("res://")) { drive = "res://"; s = s.substr(6, s.length()); } else if (s.begins_with("user://")) { drive = "user://"; s = s.substr(7, s.length()); } else if (s.begins_with("/") || s.begins_with("\\")) { drive = s.substr(0, 1); s = s.substr(1, s.length() - 1); } else { int p = s.find(":/"); if (p == -1) p = s.find(":\\"); if (p != -1 && p < s.find("/")) { drive = s.substr(0, p + 2); s = s.substr(p + 2, s.length()); } } s = s.replace("\\", "/"); while (true) { // in case of using 2 or more slash String compare = s.replace("//", "/"); if (s == compare) break; else s = compare; } Vector<String> dirs = s.split("/", false); for (int i = 0; i < dirs.size(); i++) { String d = dirs[i]; if (d == ".") { dirs.remove(i); i--; } else if (d == "..") { if (i == 0) { dirs.remove(i); i--; } else { dirs.remove(i); dirs.remove(i - 1); i -= 2; } } } s = ""; for (int i = 0; i < dirs.size(); i++) { if (i > 0) s += "/"; s += dirs[i]; } return drive + s; } static int _humanize_digits(int p_num) { if (p_num < 10) return 2; else if (p_num < 100) return 2; else if (p_num < 1024) return 1; else return 0; } String String::humanize_size(size_t p_size) { uint64_t _div = 1; static const char *prefix[] = { " Bytes", " KB", " MB", " GB", "TB", " PB", "HB", "" }; int prefix_idx = 0; while (p_size > (_div * 1024) && prefix[prefix_idx][0]) { _div *= 1024; prefix_idx++; } int digits = prefix_idx > 0 ? _humanize_digits(p_size / _div) : 0; double divisor = prefix_idx > 0 ? _div : 1; return String::num(p_size / divisor, digits) + prefix[prefix_idx]; } bool String::is_abs_path() const { if (length() > 1) return (operator[](0) == '/' || operator[](0) == '\\' || find(":/") != -1 || find(":\\") != -1); else if ((length()) == 1) return (operator[](0) == '/' || operator[](0) == '\\'); else return false; } bool String::is_valid_identifier() const { int len = length(); if (len == 0) return false; const wchar_t *str = &operator[](0); for (int i = 0; i < len; i++) { if (i == 0) { if (str[0] >= '0' && str[0] <= '9') return false; // no start with number plz } bool valid_char = (str[i] >= '0' && str[i] <= '9') || (str[i] >= 'a' && str[i] <= 'z') || (str[i] >= 'A' && str[i] <= 'Z') || str[i] == '_'; if (!valid_char) return false; } return true; } //kind of poor should be rewritten properly String String::word_wrap(int p_chars_per_line) const { int from = 0; int last_space = 0; String ret; for (int i = 0; i < length(); i++) { if (i - from >= p_chars_per_line) { if (last_space == -1) { ret += substr(from, i - from + 1) + "\n"; } else { ret += substr(from, last_space - from) + "\n"; i = last_space; //rewind } from = i + 1; last_space = -1; } else if (operator[](i) == ' ' || operator[](i) == '\t') { last_space = i; } else if (operator[](i) == '\n') { ret += substr(from, i - from) + "\n"; from = i + 1; last_space = -1; } } if (from < length()) { ret += substr(from, length()); } return ret; } String String::http_escape() const { const CharString temp = utf8(); String res; for (int i = 0; i < temp.length(); ++i) { char ord = temp[i]; if (ord == '.' || ord == '-' || ord == '_' || ord == '~' || (ord >= 'a' && ord <= 'z') || (ord >= 'A' && ord <= 'Z') || (ord >= '0' && ord <= '9')) { res += ord; } else { char h_Val[3]; #if defined(__GNUC__) || defined(_MSC_VER) snprintf(h_Val, 3, "%hhX", ord); #else sprintf(h_Val, "%hhX", ord); #endif res += "%"; res += h_Val; } } return res; } String String::http_unescape() const { String res; for (int i = 0; i < length(); ++i) { if (ord_at(i) == '%' && i + 2 < length()) { CharType ord1 = ord_at(i + 1); if ((ord1 >= '0' && ord1 <= '9') || (ord1 >= 'A' && ord1 <= 'Z')) { CharType ord2 = ord_at(i + 2); if ((ord2 >= '0' && ord2 <= '9') || (ord2 >= 'A' && ord2 <= 'Z')) { char bytes[2] = { (char)ord1, (char)ord2 }; res += (char)strtol(bytes, NULL, 16); i += 2; } } else { res += ord_at(i); } } else { res += ord_at(i); } } return String::utf8(res.ascii()); } String String::c_unescape() const { String escaped = *this; escaped = escaped.replace("\\a", "\a"); escaped = escaped.replace("\\b", "\b"); escaped = escaped.replace("\\f", "\f"); escaped = escaped.replace("\\n", "\n"); escaped = escaped.replace("\\r", "\r"); escaped = escaped.replace("\\t", "\t"); escaped = escaped.replace("\\v", "\v"); escaped = escaped.replace("\\'", "\'"); escaped = escaped.replace("\\\"", "\""); escaped = escaped.replace("\\?", "\?"); escaped = escaped.replace("\\\\", "\\"); return escaped; } String String::c_escape() const { String escaped = *this; escaped = escaped.replace("\\", "\\\\"); escaped = escaped.replace("\a", "\\a"); escaped = escaped.replace("\b", "\\b"); escaped = escaped.replace("\f", "\\f"); escaped = escaped.replace("\n", "\\n"); escaped = escaped.replace("\r", "\\r"); escaped = escaped.replace("\t", "\\t"); escaped = escaped.replace("\v", "\\v"); escaped = escaped.replace("\'", "\\'"); escaped = escaped.replace("\?", "\\?"); escaped = escaped.replace("\"", "\\\""); return escaped; } String String::c_escape_multiline() const { String escaped = *this; escaped = escaped.replace("\\", "\\\\"); escaped = escaped.replace("\"", "\\\""); return escaped; } String String::json_escape() const { String escaped = *this; escaped = escaped.replace("\\", "\\\\"); escaped = escaped.replace("\b", "\\b"); escaped = escaped.replace("\f", "\\f"); escaped = escaped.replace("\n", "\\n"); escaped = escaped.replace("\r", "\\r"); escaped = escaped.replace("\t", "\\t"); escaped = escaped.replace("\v", "\\v"); escaped = escaped.replace("\"", "\\\""); return escaped; } String String::xml_escape(bool p_escape_quotes) const { String str = *this; str = str.replace("&", "&"); str = str.replace("<", "<"); str = str.replace(">", ">"); if (p_escape_quotes) { str = str.replace("'", "'"); str = str.replace("\"", """); } /* for (int i=1;i<32;i++) { char chr[2]={i,0}; str=str.replace(chr,"&#"+String::num(i)+";"); }*/ return str; } static _FORCE_INLINE_ int _xml_unescape(const CharType *p_src, int p_src_len, CharType *p_dst) { int len = 0; while (p_src_len) { if (*p_src == '&') { int eat = 0; if (p_src_len >= 4 && p_src[1] == '#') { CharType c = 0; for (int i = 2; i < p_src_len; i++) { eat = i + 1; CharType ct = p_src[i]; if (ct == ';') { break; } else if (ct >= '0' && ct <= '9') { ct = ct - '0'; } else if (ct >= 'a' && ct <= 'f') { ct = (ct - 'a') + 10; } else if (ct >= 'A' && ct <= 'F') { ct = (ct - 'A') + 10; } else { continue; } c <<= 4; c |= ct; } if (p_dst) *p_dst = c; } else if (p_src_len >= 4 && p_src[1] == 'g' && p_src[2] == 't' && p_src[3] == ';') { if (p_dst) *p_dst = '>'; eat = 4; } else if (p_src_len >= 4 && p_src[1] == 'l' && p_src[2] == 't' && p_src[3] == ';') { if (p_dst) *p_dst = '<'; eat = 4; } else if (p_src_len >= 5 && p_src[1] == 'a' && p_src[2] == 'm' && p_src[3] == 'p' && p_src[4] == ';') { if (p_dst) *p_dst = '&'; eat = 5; } else if (p_src_len >= 6 && p_src[1] == 'q' && p_src[2] == 'u' && p_src[3] == 'o' && p_src[4] == 't' && p_src[5] == ';') { if (p_dst) *p_dst = '"'; eat = 6; } else if (p_src_len >= 6 && p_src[1] == 'a' && p_src[2] == 'p' && p_src[3] == 'o' && p_src[4] == 's' && p_src[5] == ';') { if (p_dst) *p_dst = '\''; eat = 6; } else { if (p_dst) *p_dst = *p_src; eat = 1; } if (p_dst) p_dst++; len++; p_src += eat; p_src_len -= eat; } else { if (p_dst) { *p_dst = *p_src; p_dst++; } len++; p_src++; p_src_len--; } } return len; } String String::xml_unescape() const { String str; int l = length(); int len = _xml_unescape(c_str(), l, NULL); if (len == 0) return String(); str.resize(len + 1); _xml_unescape(c_str(), l, &str[0]); str[len] = 0; return str; } String String::pad_decimals(int p_digits) const { String s = *this; int c = s.find("."); if (c == -1) { if (p_digits <= 0) { return s; } s += "."; c = s.length() - 1; } else { if (p_digits <= 0) { return s.substr(0, c); } } if (s.length() - (c + 1) > p_digits) { s = s.substr(0, c + p_digits + 1); } else { while (s.length() - (c + 1) < p_digits) { s += "0"; } } return s; } String String::pad_zeros(int p_digits) const { String s = *this; int end = s.find("."); if (end == -1) { end = s.length(); } if (end == 0) return s; int begin = 0; while (begin < end && (s[begin] < '0' || s[begin] > '9')) { begin++; } if (begin >= end) return s; while (end - begin < p_digits) { s = s.insert(begin, "0"); end++; } return s; } String String::trim_prefix(const String &p_prefix) const { String s = *this; if (s.begins_with(p_prefix)) { return s.substr(p_prefix.length(), s.length() - p_prefix.length()); } return s; } String String::trim_suffix(const String &p_suffix) const { String s = *this; if (s.ends_with(p_suffix)) { return s.substr(0, s.length() - p_suffix.length()); } return s; } bool String::is_valid_integer() const { int len = length(); if (len == 0) return false; int from = 0; if (len != 1 && (operator[](0) == '+' || operator[](0) == '-')) from++; for (int i = from; i < len; i++) { if (operator[](i) < '0' || operator[](i) > '9') return false; // no start with number plz } return true; } bool String::is_valid_hex_number(bool p_with_prefix) const { int from = 0; int len = length(); if (len != 1 && (operator[](0) == '+' || operator[](0) == '-')) from++; if (p_with_prefix) { if (len < 3) return false; if (operator[](from) != '0' || operator[](from + 1) != 'x') { return false; } from += 2; } for (int i = from; i < len; i++) { CharType c = operator[](i); if ((c >= '0' && c <= '9') || (c >= 'a' && c <= 'f') || (c >= 'A' && c <= 'F')) continue; return false; } return true; }; bool String::is_valid_float() const { int len = length(); if (len == 0) return false; int from = 0; if (operator[](0) == '+' || operator[](0) == '-') { from++; } bool exponent_found = false; bool period_found = false; bool sign_found = false; bool exponent_values_found = false; bool numbers_found = false; for (int i = from; i < len; i++) { if (operator[](i) >= '0' && operator[](i) <= '9') { if (exponent_found) exponent_values_found = true; else numbers_found = true; } else if (numbers_found && !exponent_found && operator[](i) == 'e') { exponent_found = true; } else if (!period_found && !exponent_found && operator[](i) == '.') { period_found = true; } else if ((operator[](i) == '-' || operator[](i) == '+') && exponent_found && !exponent_values_found && !sign_found) { sign_found = true; } else return false; // no start with number plz } return numbers_found; } String String::path_to_file(const String &p_path) const { String src = this->replace("\\", "/").get_base_dir(); String dst = p_path.replace("\\", "/").get_base_dir(); String rel = src.path_to(dst); if (rel == dst) // failed return p_path; else return rel + p_path.get_file(); } String String::path_to(const String &p_path) const { String src = this->replace("\\", "/"); String dst = p_path.replace("\\", "/"); if (!src.ends_with("/")) src += "/"; if (!dst.ends_with("/")) dst += "/"; String base; if (src.begins_with("res://") && dst.begins_with("res://")) { base = "res:/"; src = src.replace("res://", "/"); dst = dst.replace("res://", "/"); } else if (src.begins_with("user://") && dst.begins_with("user://")) { base = "user:/"; src = src.replace("user://", "/"); dst = dst.replace("user://", "/"); } else if (src.begins_with("/") && dst.begins_with("/")) { //nothing } else { //dos style String src_begin = src.get_slicec('/', 0); String dst_begin = dst.get_slicec('/', 0); if (src_begin != dst_begin) return p_path; //impossible to do this base = src_begin; src = src.substr(src_begin.length(), src.length()); dst = dst.substr(dst_begin.length(), dst.length()); } //remove leading and trailing slash and split Vector<String> src_dirs = src.substr(1, src.length() - 2).split("/"); Vector<String> dst_dirs = dst.substr(1, dst.length() - 2).split("/"); //find common parent int common_parent = 0; while (true) { if (src_dirs.size() == common_parent) break; if (dst_dirs.size() == common_parent) break; if (src_dirs[common_parent] != dst_dirs[common_parent]) break; common_parent++; } common_parent--; String dir; for (int i = src_dirs.size() - 1; i > common_parent; i--) { dir += "../"; } for (int i = common_parent + 1; i < dst_dirs.size(); i++) { dir += dst_dirs[i] + "/"; } if (dir.length() == 0) dir = "./"; return dir; } bool String::is_valid_html_color() const { return Color::html_is_valid(*this); } bool String::is_valid_ip_address() const { if (find(":") >= 0) { Vector<String> ip = split(":"); for (int i = 0; i < ip.size(); i++) { String n = ip[i]; if (n.empty()) continue; if (n.is_valid_hex_number(false)) { int nint = n.hex_to_int(false); if (nint < 0 || nint > 0xffff) return false; continue; }; if (!n.is_valid_ip_address()) return false; }; } else { Vector<String> ip = split("."); if (ip.size() != 4) return false; for (int i = 0; i < ip.size(); i++) { String n = ip[i]; if (!n.is_valid_integer()) return false; int val = n.to_int(); if (val < 0 || val > 255) return false; } }; return true; } bool String::is_resource_file() const { return begins_with("res://") && find("::") == -1; } bool String::is_rel_path() const { return !is_abs_path(); } String String::get_base_dir() const { int basepos = find("://"); String rs; String base; if (basepos != -1) { int end = basepos + 3; rs = substr(end, length()); base = substr(0, end); } else { if (begins_with("/")) { rs = substr(1, length()); base = "/"; } else { rs = *this; } } int sep = MAX(rs.find_last("/"), rs.find_last("\\")); if (sep == -1) return base; return base + rs.substr(0, sep); } String String::get_file() const { int sep = MAX(find_last("/"), find_last("\\")); if (sep == -1) return *this; return substr(sep + 1, length()); } String String::get_extension() const { int pos = find_last("."); if (pos < 0 || pos < MAX(find_last("/"), find_last("\\"))) return ""; return substr(pos + 1, length()); } String String::plus_file(const String &p_file) const { if (empty()) return p_file; if (operator[](length() - 1) == '/' || (p_file.size() > 0 && p_file.operator[](0) == '/')) return *this + p_file; return *this + "/" + p_file; } String String::percent_encode() const { CharString cs = utf8(); String encoded; for (int i = 0; i < cs.length(); i++) { uint8_t c = cs[i]; if ((c >= 'A' && c <= 'Z') || (c >= 'a' && c <= 'z') || (c >= '0' && c <= '9') || c == '-' || c == '_' || c == '~' || c == '.') { char p[2] = { (char)c, 0 }; encoded += p; } else { char p[4] = { '%', 0, 0, 0 }; static const char hex[16] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' }; p[1] = hex[c >> 4]; p[2] = hex[c & 0xF]; encoded += p; } } return encoded; } String String::percent_decode() const { CharString pe; CharString cs = utf8(); for (int i = 0; i < cs.length(); i++) { uint8_t c = cs[i]; if (c == '%' && i < length() - 2) { uint8_t a = LOWERCASE(cs[i + 1]); uint8_t b = LOWERCASE(cs[i + 2]); c = 0; if (a >= '0' && a <= '9') c = (a - '0') << 4; else if (a >= 'a' && a <= 'f') c = (a - 'a' + 10) << 4; else continue; uint8_t d = 0; if (b >= '0' && b <= '9') d = (b - '0'); else if (b >= 'a' && b <= 'f') d = (b - 'a' + 10); else continue; c += d; i += 2; } pe += c; } return String::utf8(pe.ptr()); } String String::get_basename() const { int pos = find_last("."); if (pos < 0 || pos < MAX(find_last("/"), find_last("\\"))) return *this; return substr(0, pos); } String itos(int64_t p_val) { return String::num_int64(p_val); } String rtos(double p_val) { return String::num(p_val); } String rtoss(double p_val) { return String::num_scientific(p_val); } // Right-pad with a character. String String::rpad(int min_length, const String &character) const { String s = *this; int padding = min_length - s.length(); if (padding > 0) { for (int i = 0; i < padding; i++) s = s + character; } return s; } // Left-pad with a character. String String::lpad(int min_length, const String &character) const { String s = *this; int padding = min_length - s.length(); if (padding > 0) { for (int i = 0; i < padding; i++) s = character + s; } return s; } // sprintf is implemented in GDScript via: // "fish %s pie" % "frog" // "fish %s %d pie" % ["frog", 12] // In case of an error, the string returned is the error description and "error" is true. String String::sprintf(const Array &values, bool *error) const { String formatted; CharType *self = (CharType *)c_str(); bool in_format = false; int value_index = 0; int min_chars = 0; int min_decimals = 0; bool in_decimals = false; bool pad_with_zeroes = false; bool left_justified = false; bool show_sign = false; *error = true; for (; *self; self++) { const CharType c = *self; if (in_format) { // We have % - lets see what else we get. switch (c) { case '%': { // Replace %% with % formatted += chr(c); in_format = false; break; } case 'd': // Integer (signed) case 'o': // Octal case 'x': // Hexadecimal (lowercase) case 'X': { // Hexadecimal (uppercase) if (value_index >= values.size()) { return "not enough arguments for format string"; } if (!values[value_index].is_num()) { return "a number is required"; } int64_t value = values[value_index]; int base = 16; bool capitalize = false; switch (c) { case 'd': base = 10; break; case 'o': base = 8; break; case 'x': break; case 'X': base = 16; capitalize = true; break; } // Get basic number. String str = String::num_int64(ABS(value), base, capitalize); int number_len = str.length(); // Padding. String pad_char = pad_with_zeroes ? String("0") : String(" "); if (left_justified) { str = str.rpad(min_chars, pad_char); } else { str = str.lpad(min_chars, pad_char); } // Sign. if (show_sign && value >= 0) { str = str.insert(pad_with_zeroes ? 0 : str.length() - number_len, "+"); } else if (value < 0) { str = str.insert(pad_with_zeroes ? 0 : str.length() - number_len, "-"); } formatted += str; ++value_index; in_format = false; break; } case 'f': { // Float if (value_index >= values.size()) { return "not enough arguments for format string"; } if (!values[value_index].is_num()) { return "a number is required"; } double value = values[value_index]; String str = String::num(value, min_decimals); // Pad decimals out. str = str.pad_decimals(min_decimals); // Show sign if (show_sign && str.left(1) != "-") { str = str.insert(0, "+"); } // Padding if (left_justified) { str = str.rpad(min_chars); } else { str = str.lpad(min_chars); } formatted += str; ++value_index; in_format = false; break; } case 's': { // String if (value_index >= values.size()) { return "not enough arguments for format string"; } String str = values[value_index]; // Padding. if (left_justified) { str = str.rpad(min_chars); } else { str = str.lpad(min_chars); } formatted += str; ++value_index; in_format = false; break; } case 'c': { if (value_index >= values.size()) { return "not enough arguments for format string"; } // Convert to character. String str; if (values[value_index].is_num()) { int value = values[value_index]; if (value < 0) { return "unsigned byte integer is lower than maximum"; } else if (value > 255) { return "unsigned byte integer is greater than maximum"; } str = chr(values[value_index]); } else if (values[value_index].get_type() == Variant::STRING) { str = values[value_index]; if (str.length() != 1) { return "%c requires number or single-character string"; } } else { return "%c requires number or single-character string"; } // Padding. if (left_justified) { str = str.rpad(min_chars); } else { str = str.lpad(min_chars); } formatted += str; ++value_index; in_format = false; break; } case '-': { // Left justify left_justified = true; break; } case '+': { // Show + if positive. show_sign = true; break; } case '0': case '1': case '2': case '3': case '4': case '5': case '6': case '7': case '8': case '9': { int n = c - '0'; if (in_decimals) { min_decimals *= 10; min_decimals += n; } else { if (c == '0' && min_chars == 0) { pad_with_zeroes = true; } else { min_chars *= 10; min_chars += n; } } break; } case '.': { // Float separator. if (in_decimals) { return "too many decimal points in format"; } in_decimals = true; min_decimals = 0; // We want to add the value manually. break; } case '*': { // Dynamic width, based on value. if (value_index >= values.size()) { return "not enough arguments for format string"; } if (!values[value_index].is_num()) { return "* wants number"; } int size = values[value_index]; if (in_decimals) { min_decimals = size; } else { min_chars = size; } ++value_index; break; } default: { return "unsupported format character"; } } } else { // Not in format string. switch (c) { case '%': in_format = true; // Back to defaults: min_chars = 0; min_decimals = 6; pad_with_zeroes = false; left_justified = false; show_sign = false; in_decimals = false; break; default: formatted += chr(c); } } } if (in_format) { return "incomplete format"; } if (value_index != values.size()) { return "not all arguments converted during string formatting"; } *error = false; return formatted; } String String::quote(String quotechar) const { return quotechar + *this + quotechar; } String String::unquote() const { if (!is_quoted()) { return *this; } return substr(1, length() - 2); } #ifdef TOOLS_ENABLED String TTR(const String &p_text) { if (TranslationServer::get_singleton()) { return TranslationServer::get_singleton()->tool_translate(p_text); } return p_text; } #endif String RTR(const String &p_text) { if (TranslationServer::get_singleton()) { String rtr = TranslationServer::get_singleton()->tool_translate(p_text); if (rtr == String() || rtr == p_text) { return TranslationServer::get_singleton()->translate(p_text); } else { return rtr; } } return p_text; }