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virtualx-engine/core/string/ustring.h
K. S. Ernest (iFire) Lee 39922d7167 Handle gltf binary 
[ Ignore and Warn | Extract Textures (default) | Optimize Loading Embedded as Basisu ]

Enable compressed mip maps from Basis Universal for faster compressions.

Increase the quality of Basis to avoid corruption.

To keep compatibility use the first mip of the previous internal Godot format.

Because texture names may have invalid filename characters, adds String::validate_filename to sanitize filenames for import pipeline use.
2023-01-27 02:02:02 -08:00

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/**************************************************************************/
/* ustring.h */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* 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. */
/**************************************************************************/
#ifndef USTRING_GODOT_H
#define USTRING_GODOT_H
// Note: _GODOT suffix added to header guard to avoid conflict with ICU header.
#include "core/string/char_utils.h"
#include "core/templates/cowdata.h"
#include "core/templates/vector.h"
#include "core/typedefs.h"
#include "core/variant/array.h"
/*************************************************************************/
/* CharProxy */
/*************************************************************************/
template <class T>
class CharProxy {
friend class Char16String;
friend class CharString;
friend class String;
const int _index;
CowData<T> &_cowdata;
static const T _null = 0;
_FORCE_INLINE_ CharProxy(const int &p_index, CowData<T> &p_cowdata) :
_index(p_index),
_cowdata(p_cowdata) {}
public:
_FORCE_INLINE_ CharProxy(const CharProxy<T> &p_other) :
_index(p_other._index),
_cowdata(p_other._cowdata) {}
_FORCE_INLINE_ operator T() const {
if (unlikely(_index == _cowdata.size())) {
return _null;
}
return _cowdata.get(_index);
}
_FORCE_INLINE_ const T *operator&() const {
return _cowdata.ptr() + _index;
}
_FORCE_INLINE_ void operator=(const T &p_other) const {
_cowdata.set(_index, p_other);
}
_FORCE_INLINE_ void operator=(const CharProxy<T> &p_other) const {
_cowdata.set(_index, p_other.operator T());
}
};
/*************************************************************************/
/* Char16String */
/*************************************************************************/
class Char16String {
CowData<char16_t> _cowdata;
static const char16_t _null;
public:
_FORCE_INLINE_ char16_t *ptrw() { return _cowdata.ptrw(); }
_FORCE_INLINE_ const char16_t *ptr() const { return _cowdata.ptr(); }
_FORCE_INLINE_ int size() const { return _cowdata.size(); }
Error resize(int p_size) { return _cowdata.resize(p_size); }
_FORCE_INLINE_ char16_t get(int p_index) const { return _cowdata.get(p_index); }
_FORCE_INLINE_ void set(int p_index, const char16_t &p_elem) { _cowdata.set(p_index, p_elem); }
_FORCE_INLINE_ const char16_t &operator[](int p_index) const {
if (unlikely(p_index == _cowdata.size())) {
return _null;
}
return _cowdata.get(p_index);
}
_FORCE_INLINE_ CharProxy<char16_t> operator[](int p_index) { return CharProxy<char16_t>(p_index, _cowdata); }
_FORCE_INLINE_ Char16String() {}
_FORCE_INLINE_ Char16String(const Char16String &p_str) { _cowdata._ref(p_str._cowdata); }
_FORCE_INLINE_ void operator=(const Char16String &p_str) { _cowdata._ref(p_str._cowdata); }
_FORCE_INLINE_ Char16String(const char16_t *p_cstr) { copy_from(p_cstr); }
void operator=(const char16_t *p_cstr);
bool operator<(const Char16String &p_right) const;
Char16String &operator+=(char16_t p_char);
int length() const { return size() ? size() - 1 : 0; }
const char16_t *get_data() const;
operator const char16_t *() const { return get_data(); };
protected:
void copy_from(const char16_t *p_cstr);
};
/*************************************************************************/
/* CharString */
/*************************************************************************/
class CharString {
CowData<char> _cowdata;
static const char _null;
public:
_FORCE_INLINE_ char *ptrw() { return _cowdata.ptrw(); }
_FORCE_INLINE_ const char *ptr() const { return _cowdata.ptr(); }
_FORCE_INLINE_ int size() const { return _cowdata.size(); }
Error resize(int p_size) { return _cowdata.resize(p_size); }
_FORCE_INLINE_ char get(int p_index) const { return _cowdata.get(p_index); }
_FORCE_INLINE_ void set(int p_index, const char &p_elem) { _cowdata.set(p_index, p_elem); }
_FORCE_INLINE_ const char &operator[](int p_index) const {
if (unlikely(p_index == _cowdata.size())) {
return _null;
}
return _cowdata.get(p_index);
}
_FORCE_INLINE_ CharProxy<char> operator[](int p_index) { return CharProxy<char>(p_index, _cowdata); }
_FORCE_INLINE_ CharString() {}
_FORCE_INLINE_ CharString(const CharString &p_str) { _cowdata._ref(p_str._cowdata); }
_FORCE_INLINE_ void operator=(const CharString &p_str) { _cowdata._ref(p_str._cowdata); }
_FORCE_INLINE_ CharString(const char *p_cstr) { copy_from(p_cstr); }
void operator=(const char *p_cstr);
bool operator<(const CharString &p_right) const;
bool operator==(const CharString &p_right) const;
CharString &operator+=(char p_char);
int length() const { return size() ? size() - 1 : 0; }
const char *get_data() const;
operator const char *() const { return get_data(); };
protected:
void copy_from(const char *p_cstr);
};
/*************************************************************************/
/* String */
/*************************************************************************/
struct StrRange {
const char32_t *c_str;
int len;
StrRange(const char32_t *p_c_str = nullptr, int p_len = 0) {
c_str = p_c_str;
len = p_len;
}
};
class String {
CowData<char32_t> _cowdata;
static const char32_t _null;
void copy_from(const char *p_cstr);
void copy_from(const char *p_cstr, const int p_clip_to);
void copy_from(const wchar_t *p_cstr);
void copy_from(const wchar_t *p_cstr, const int p_clip_to);
void copy_from(const char32_t *p_cstr);
void copy_from(const char32_t *p_cstr, const int p_clip_to);
void copy_from(const char32_t &p_char);
void copy_from_unchecked(const char32_t *p_char, const int p_length);
bool _base_is_subsequence_of(const String &p_string, bool case_insensitive) const;
int _count(const String &p_string, int p_from, int p_to, bool p_case_insensitive) const;
String _camelcase_to_underscore() const;
public:
enum {
npos = -1 ///<for "some" compatibility with std::string (npos is a huge value in std::string)
};
_FORCE_INLINE_ char32_t *ptrw() { return _cowdata.ptrw(); }
_FORCE_INLINE_ const char32_t *ptr() const { return _cowdata.ptr(); }
void remove_at(int p_index) { _cowdata.remove_at(p_index); }
_FORCE_INLINE_ void clear() { resize(0); }
_FORCE_INLINE_ char32_t get(int p_index) const { return _cowdata.get(p_index); }
_FORCE_INLINE_ void set(int p_index, const char32_t &p_elem) { _cowdata.set(p_index, p_elem); }
_FORCE_INLINE_ int size() const { return _cowdata.size(); }
Error resize(int p_size) { return _cowdata.resize(p_size); }
_FORCE_INLINE_ const char32_t &operator[](int p_index) const {
if (unlikely(p_index == _cowdata.size())) {
return _null;
}
return _cowdata.get(p_index);
}
_FORCE_INLINE_ CharProxy<char32_t> operator[](int p_index) { return CharProxy<char32_t>(p_index, _cowdata); }
bool operator==(const String &p_str) const;
bool operator!=(const String &p_str) const;
String operator+(const String &p_str) const;
String operator+(char32_t p_char) const;
String &operator+=(const String &);
String &operator+=(char32_t p_char);
String &operator+=(const char *p_str);
String &operator+=(const wchar_t *p_str);
String &operator+=(const char32_t *p_str);
/* Compatibility Operators */
void operator=(const char *p_str);
void operator=(const wchar_t *p_str);
void operator=(const char32_t *p_str);
bool operator==(const char *p_str) const;
bool operator==(const wchar_t *p_str) const;
bool operator==(const char32_t *p_str) const;
bool operator==(const StrRange &p_str_range) const;
bool operator!=(const char *p_str) const;
bool operator!=(const wchar_t *p_str) const;
bool operator!=(const char32_t *p_str) const;
bool operator<(const char32_t *p_str) const;
bool operator<(const char *p_str) const;
bool operator<(const wchar_t *p_str) const;
bool operator<(const String &p_str) const;
bool operator<=(const String &p_str) const;
bool operator>(const String &p_str) const;
bool operator>=(const String &p_str) const;
signed char casecmp_to(const String &p_str) const;
signed char nocasecmp_to(const String &p_str) const;
signed char naturalnocasecmp_to(const String &p_str) const;
const char32_t *get_data() const;
/* standard size stuff */
_FORCE_INLINE_ int length() const {
int s = size();
return s ? (s - 1) : 0; // length does not include zero
}
bool is_valid_string() const;
/* debug, error messages */
void print_unicode_error(const String &p_message, bool p_critical = false) const;
/* complex helpers */
String substr(int p_from, int p_chars = -1) const;
int find(const String &p_str, int p_from = 0) const; ///< return <0 if failed
int find(const char *p_str, int p_from = 0) const; ///< return <0 if failed
int find_char(const char32_t &p_char, int p_from = 0) const; ///< return <0 if failed
int findn(const String &p_str, int p_from = 0) const; ///< return <0 if failed, case insensitive
int rfind(const String &p_str, int p_from = -1) const; ///< return <0 if failed
int rfindn(const String &p_str, int p_from = -1) const; ///< return <0 if failed, case insensitive
int findmk(const Vector<String> &p_keys, int p_from = 0, int *r_key = nullptr) const; ///< return <0 if failed
bool match(const String &p_wildcard) const;
bool matchn(const String &p_wildcard) const;
bool begins_with(const String &p_string) const;
bool begins_with(const char *p_string) const;
bool ends_with(const String &p_string) const;
bool is_enclosed_in(const String &p_string) const;
bool is_subsequence_of(const String &p_string) const;
bool is_subsequence_ofn(const String &p_string) const;
bool is_quoted() const;
Vector<String> bigrams() const;
float similarity(const String &p_string) const;
String format(const Variant &values, String placeholder = "{_}") const;
String replace_first(const String &p_key, const String &p_with) const;
String replace(const String &p_key, const String &p_with) const;
String replace(const char *p_key, const char *p_with) const;
String replacen(const String &p_key, const String &p_with) const;
String repeat(int p_count) const;
String insert(int p_at_pos, const String &p_string) const;
String pad_decimals(int p_digits) const;
String pad_zeros(int p_digits) const;
String trim_prefix(const String &p_prefix) const;
String trim_suffix(const String &p_suffix) const;
String lpad(int min_length, const String &character = " ") const;
String rpad(int min_length, const String &character = " ") const;
String sprintf(const Array &values, bool *error) const;
String quote(String quotechar = "\"") const;
String unquote() const;
static String num(double p_num, int p_decimals = -1);
static String num_scientific(double p_num);
static String num_real(double p_num, bool p_trailing = true);
static String num_int64(int64_t p_num, int base = 10, bool capitalize_hex = false);
static String num_uint64(uint64_t p_num, int base = 10, bool capitalize_hex = false);
static String chr(char32_t p_char);
static String md5(const uint8_t *p_md5);
static String hex_encode_buffer(const uint8_t *p_buffer, int p_len);
bool is_numeric() const;
double to_float() const;
int64_t hex_to_int() const;
int64_t bin_to_int() const;
int64_t to_int() const;
static int64_t to_int(const char *p_str, int p_len = -1);
static int64_t to_int(const wchar_t *p_str, int p_len = -1);
static int64_t to_int(const char32_t *p_str, int p_len = -1, bool p_clamp = false);
static double to_float(const char *p_str);
static double to_float(const wchar_t *p_str, const wchar_t **r_end = nullptr);
static double to_float(const char32_t *p_str, const char32_t **r_end = nullptr);
String capitalize() const;
String to_camel_case() const;
String to_pascal_case() const;
String to_snake_case() const;
String get_with_code_lines() const;
int get_slice_count(String p_splitter) const;
String get_slice(String p_splitter, int p_slice) const;
String get_slicec(char32_t p_splitter, int p_slice) const;
Vector<String> split(const String &p_splitter = "", bool p_allow_empty = true, int p_maxsplit = 0) const;
Vector<String> rsplit(const String &p_splitter = "", bool p_allow_empty = true, int p_maxsplit = 0) const;
Vector<String> split_spaces() const;
Vector<double> split_floats(const String &p_splitter, bool p_allow_empty = true) const;
Vector<float> split_floats_mk(const Vector<String> &p_splitters, bool p_allow_empty = true) const;
Vector<int> split_ints(const String &p_splitter, bool p_allow_empty = true) const;
Vector<int> split_ints_mk(const Vector<String> &p_splitters, bool p_allow_empty = true) const;
String join(Vector<String> parts) const;
static char32_t char_uppercase(char32_t p_char);
static char32_t char_lowercase(char32_t p_char);
String to_upper() const;
String to_lower() const;
int count(const String &p_string, int p_from = 0, int p_to = 0) const;
int countn(const String &p_string, int p_from = 0, int p_to = 0) const;
String left(int p_len) const;
String right(int p_len) const;
String indent(const String &p_prefix) const;
String dedent() const;
String strip_edges(bool left = true, bool right = true) const;
String strip_escapes() const;
String lstrip(const String &p_chars) const;
String rstrip(const String &p_chars) const;
String get_extension() const;
String get_basename() const;
String path_join(const String &p_file) const;
char32_t unicode_at(int p_idx) const;
CharString ascii(bool p_allow_extended = false) const;
CharString utf8() const;
Error parse_utf8(const char *p_utf8, int p_len = -1, bool p_skip_cr = false);
static String utf8(const char *p_utf8, int p_len = -1);
Char16String utf16() const;
Error parse_utf16(const char16_t *p_utf16, int p_len = -1);
static String utf16(const char16_t *p_utf16, int p_len = -1);
static uint32_t hash(const char32_t *p_cstr, int p_len); /* hash the string */
static uint32_t hash(const char32_t *p_cstr); /* hash the string */
static uint32_t hash(const wchar_t *p_cstr, int p_len); /* hash the string */
static uint32_t hash(const wchar_t *p_cstr); /* hash the string */
static uint32_t hash(const char *p_cstr, int p_len); /* hash the string */
static uint32_t hash(const char *p_cstr); /* hash the string */
uint32_t hash() const; /* hash the string */
uint64_t hash64() const; /* hash the string */
String md5_text() const;
String sha1_text() const;
String sha256_text() const;
Vector<uint8_t> md5_buffer() const;
Vector<uint8_t> sha1_buffer() const;
Vector<uint8_t> sha256_buffer() const;
_FORCE_INLINE_ bool is_empty() const { return length() == 0; }
_FORCE_INLINE_ bool contains(const char *p_str) const { return find(p_str) != -1; }
_FORCE_INLINE_ bool contains(const String &p_str) const { return find(p_str) != -1; }
// path functions
bool is_absolute_path() const;
bool is_relative_path() const;
bool is_resource_file() const;
String path_to(const String &p_path) const;
String path_to_file(const String &p_path) const;
String get_base_dir() const;
String get_file() const;
static String humanize_size(uint64_t p_size);
String simplify_path() const;
bool is_network_share_path() const;
String xml_escape(bool p_escape_quotes = false) const;
String xml_unescape() const;
String uri_encode() const;
String uri_decode() const;
String c_escape() const;
String c_escape_multiline() const;
String c_unescape() const;
String json_escape() const;
Error parse_url(String &r_scheme, String &r_host, int &r_port, String &r_path) const;
String property_name_encode() const;
// node functions
static const String invalid_node_name_characters;
String validate_node_name() const;
String validate_identifier() const;
String validate_filename() const;
bool is_valid_identifier() const;
bool is_valid_int() const;
bool is_valid_float() const;
bool is_valid_hex_number(bool p_with_prefix) const;
bool is_valid_html_color() const;
bool is_valid_ip_address() const;
bool is_valid_filename() const;
/**
* The constructors must not depend on other overloads
*/
_FORCE_INLINE_ String() {}
_FORCE_INLINE_ String(const String &p_str) { _cowdata._ref(p_str._cowdata); }
_FORCE_INLINE_ void operator=(const String &p_str) { _cowdata._ref(p_str._cowdata); }
Vector<uint8_t> to_ascii_buffer() const;
Vector<uint8_t> to_utf8_buffer() const;
Vector<uint8_t> to_utf16_buffer() const;
Vector<uint8_t> to_utf32_buffer() const;
String(const char *p_str);
String(const wchar_t *p_str);
String(const char32_t *p_str);
String(const char *p_str, int p_clip_to_len);
String(const wchar_t *p_str, int p_clip_to_len);
String(const char32_t *p_str, int p_clip_to_len);
String(const StrRange &p_range);
};
bool operator==(const char *p_chr, const String &p_str);
bool operator==(const wchar_t *p_chr, const String &p_str);
bool operator!=(const char *p_chr, const String &p_str);
bool operator!=(const wchar_t *p_chr, const String &p_str);
String operator+(const char *p_chr, const String &p_str);
String operator+(const wchar_t *p_chr, const String &p_str);
String operator+(char32_t p_chr, const String &p_str);
String itos(int64_t p_val);
String uitos(uint64_t p_val);
String rtos(double p_val);
String rtoss(double p_val); //scientific version
struct NoCaseComparator {
bool operator()(const String &p_a, const String &p_b) const {
return p_a.nocasecmp_to(p_b) < 0;
}
};
struct NaturalNoCaseComparator {
bool operator()(const String &p_a, const String &p_b) const {
return p_a.naturalnocasecmp_to(p_b) < 0;
}
};
template <typename L, typename R>
_FORCE_INLINE_ bool is_str_less(const L *l_ptr, const R *r_ptr) {
while (true) {
const char32_t l = *l_ptr;
const char32_t r = *r_ptr;
if (l == 0 && r == 0) {
return false;
} else if (l == 0) {
return true;
} else if (r == 0) {
return false;
} else if (l < r) {
return true;
} else if (l > r) {
return false;
}
l_ptr++;
r_ptr++;
}
}
/* end of namespace */
// Tool translate (TTR and variants) for the editor UI,
// and doc translate for the class reference (DTR).
#ifdef TOOLS_ENABLED
// Gets parsed.
String TTR(const String &p_text, const String &p_context = "");
String TTRN(const String &p_text, const String &p_text_plural, int p_n, const String &p_context = "");
String DTR(const String &p_text, const String &p_context = "");
String DTRN(const String &p_text, const String &p_text_plural, int p_n, const String &p_context = "");
// Use for C strings.
#define TTRC(m_value) (m_value)
// Use to avoid parsing (for use later with C strings).
#define TTRGET(m_value) TTR(m_value)
#else
#define TTRC(m_value) (m_value)
#define TTRGET(m_value) (m_value)
#endif
// Use this to mark property names for editor translation.
// Often for dynamic properties defined in _get_property_list().
// Property names defined directly inside EDITOR_DEF, GLOBAL_DEF, and ADD_PROPERTY macros don't need this.
#define PNAME(m_value) (m_value)
// Similar to PNAME, but to mark groups, i.e. properties with PROPERTY_USAGE_GROUP.
// Groups defined directly inside ADD_GROUP macros don't need this.
// The arguments are the same as ADD_GROUP. m_prefix is only used for extraction.
#define GNAME(m_value, m_prefix) (m_value)
// Runtime translate for the public node API.
String RTR(const String &p_text, const String &p_context = "");
String RTRN(const String &p_text, const String &p_text_plural, int p_n, const String &p_context = "");
bool select_word(const String &p_s, int p_col, int &r_beg, int &r_end);
_FORCE_INLINE_ void sarray_add_str(Vector<String> &arr) {
}
_FORCE_INLINE_ void sarray_add_str(Vector<String> &arr, const String &p_str) {
arr.push_back(p_str);
}
template <class... P>
_FORCE_INLINE_ void sarray_add_str(Vector<String> &arr, const String &p_str, P... p_args) {
arr.push_back(p_str);
sarray_add_str(arr, p_args...);
}
template <class... P>
_FORCE_INLINE_ Vector<String> sarray(P... p_args) {
Vector<String> arr;
sarray_add_str(arr, p_args...);
return arr;
}
#endif // USTRING_GODOT_H
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