diff options
Diffstat (limited to 'core/ustring.cpp')
| -rw-r--r-- | core/ustring.cpp | 136 |
1 files changed, 97 insertions, 39 deletions
diff --git a/core/ustring.cpp b/core/ustring.cpp index ff8fcaaaaf..686aa6f8e3 100644 --- a/core/ustring.cpp +++ b/core/ustring.cpp @@ -123,6 +123,31 @@ const char *CharString::get_data() const { return ""; } +CharString &CharString::operator=(const char *p_cstr) { + + copy_from(p_cstr); + return *this; +} + +void CharString::copy_from(const char *p_cstr) { + + if (!p_cstr) { + resize(0); + return; + } + + size_t len = strlen(p_cstr); + + if (len == 0) { + resize(0); + return; + } + + resize(len + 1); // include terminating null char + + strcpy(ptrw(), p_cstr); +} + void String::copy_from(const char *p_cstr) { if (!p_cstr) { @@ -1700,6 +1725,45 @@ int64_t String::hex_to_int64(bool p_with_prefix) const { return hex * sign; } +int64_t String::bin_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] != 'b') + return 0; + s += 2; + } + + int64_t binary = 0; + + while (*s) { + + CharType c = LOWERCASE(*s); + int64_t n; + if (c == '0' || c == '1') { + n = c - '0'; + } else { + return 0; + } + + binary *= 2; + binary += n; + s++; + } + + return binary * sign; +} + int String::to_int() const { if (length() == 0) @@ -2267,6 +2331,9 @@ String String::insert(int p_at_pos, const String &p_string) const { } String String::substr(int p_from, int p_chars) const { + if (p_chars == -1) + p_chars = length() - p_from; + if (empty() || p_from < 0 || p_from >= length() || p_chars <= 0) return ""; @@ -2892,26 +2959,12 @@ String String::replace(const char *p_key, const char *p_with) const { 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; + int pos = find(p_key); + if (pos >= 0) { + return substr(0, pos) + p_with + substr(pos + p_key.length(), length()); } - if (search_from == 0) { - - return *this; - } - - new_string += substr(search_from, length() - search_from); - - return new_string; + return *this; } String String::replacen(const String &p_key, const String &p_with) const { @@ -3038,29 +3091,16 @@ String String::strip_edges(bool left, bool right) const { String String::strip_escapes() const { - int len = length(); - int beg = 0, end = len; - + String new_string; 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; + // Escape characters on first page of the ASCII table, before 32 (Space). + if (operator[](i) < 32) + continue; + new_string += operator[](i); } - if (beg == 0 && end == len) - return *this; - - return substr(beg, end - beg); + return new_string; } String String::lstrip(const String &p_chars) const { @@ -3184,7 +3224,7 @@ static int _humanize_digits(int p_num) { String String::humanize_size(size_t p_size) { uint64_t _div = 1; - static const char *prefix[] = { " Bytes", " KB", " MB", " GB", "TB", " PB", "HB", "" }; + static const char *prefix[] = { " Bytes", " KB", " MB", " GB", " TB", " PB", " EB", "" }; int prefix_idx = 0; while (p_size > (_div * 1024) && prefix[prefix_idx][0]) { @@ -3195,7 +3235,7 @@ String String::humanize_size(size_t p_size) { 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]; + return String::num(p_size / divisor).pad_decimals(digits) + prefix[prefix_idx]; } bool String::is_abs_path() const { @@ -3748,6 +3788,24 @@ bool String::is_valid_html_color() const { return Color::html_is_valid(*this); } +bool String::is_valid_filename() const { + + String stripped = strip_edges(); + if (*this != stripped) { + return false; + } + + if (stripped == String()) { + return false; + } + + if (find(":") != -1 || find("/") != -1 || find("\\") != -1 || find("?") != -1 || find("*") != -1 || find("\"") != -1 || find("|") != -1 || find("%") != -1 || find("<") != -1 || find(">") != -1) { + return false; + } else { + return true; + } +} + bool String::is_valid_ip_address() const { if (find(":") >= 0) { |