godot/core/ustring.h

255 lines
8.9 KiB
C++

/*************************************************************************/
/* ustring.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* 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 RSTRING_H
#define RSTRING_H
#include "typedefs.h"
#include "vector.h"
#include "array.h"
/**
@author red <red@killy>
*/
class CharString : public Vector<char> {
public:
int length() const { return size() ? size()-1 : 0; }
const char *get_data() const;
operator const char*() {return get_data();};
};
#ifndef CHARTYPE_16BITS
typedef wchar_t CharType;
#else
typedef wchar_t uint16_t;
#endif
struct StrRange {
const CharType *c_str;
int len;
StrRange(const CharType *p_c_str=NULL,int p_len=0) { c_str=p_c_str; len=p_len; }
};
class String : public Vector<CharType> {
void copy_from(const char *p_cstr);
void copy_from(const CharType* p_cstr, int p_clip_to=-1);
void copy_from(const CharType& p_char);
public:
enum {
npos=-1 ///<for "some" compatibility with std::string (npos is a huge value in std::string)
};
bool operator==(const String& p_str) const;
bool operator!=(const String& p_str) const;
String operator+(const String & p_str) const;
//String operator+(CharType p_char) const;
String& operator+=(const String &);
String& operator+=(CharType p_str);
String& operator+=(const char * p_str);
String& operator+=(const CharType * p_str);
/* Compatibility Operators */
void operator=(const char *p_str);
void operator=(const CharType *p_str);
bool operator==(const char *p_str) const;
bool operator==(const CharType *p_str) const;
bool operator==(const StrRange &p_str_range) const;
bool operator!=(const char *p_str) const;
bool operator!=(const CharType *p_str) const;
bool operator<(const CharType *p_str) const;
bool operator<(const char *p_str) const;
bool operator<(String p_str) const;
bool operator<=(String p_str) const;
signed char casecmp_to(const String& p_str) const;
signed char nocasecmp_to(const String& p_str) const;
const CharType * c_str() const;
/* standard size stuff */
int length() const;
/* complex helpers */
String substr(int p_from,int p_chars) const;
int find(String p_str,int p_from=0) const; ///< return <0 if failed
int find_last(String p_str) const; ///< return <0 if failed
int findn(String p_str,int p_from=0) const; ///< return <0 if failed, case insensitive
int rfind(String p_str,int p_from=-1) const; ///< return <0 if failed
int rfindn(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=NULL) 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;
String replace_first(String p_key,String p_with) const;
String replace(String p_key,String p_with) const;
String replacen(String p_key,String p_with) const;
String insert(int p_at_pos,String p_string) const;
String pad_decimals(int p_digits) const;
String pad_zeros(int p_digits) 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;
static String num(double p_num,int p_decimals=-1);
static String num_scientific(double p_num);
static String num_real(double p_num);
static String num_int64(int64_t p_num,int base=10,bool capitalize_hex=false);
static String chr(CharType p_char);
static String md5(const uint8_t *p_md5);
bool is_numeric() const;
double to_double() const;
float to_float() const;
int hex_to_int() const;
int to_int() const;
int64_t to_int64() const;
static int to_int(const char* p_str);
static double to_double(const char* p_str);
static double to_double(const CharType* p_str, const CharType **r_end=NULL);
static int64_t to_int(const CharType* p_str,int p_len=-1);
String capitalize() const;
int get_slice_count(String p_splitter) const;
String get_slice(String p_splitter,int p_slice) const;
Vector<String> split(const String &p_splitter,bool p_allow_empty=true) const;
Vector<String> split_spaces() const;
Vector<float> 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;
static CharType char_uppercase(CharType p_char);
static CharType char_lowercase(CharType p_char);
String to_upper() const;
String to_lower() const;
String left(int p_pos) const;
String right(int p_pos) const;
String strip_edges() const;
String strip_escapes() const;
String extension() const;
String basename() const;
String plus_file(const String& p_file) const;
CharType ord_at(int p_idx) const;
void erase(int p_pos, int p_chars);
CharString ascii(bool p_allow_extended=false) const;
CharString utf8() const;
bool parse_utf8(const char* p_utf8,int p_len=-1); //return true on error
static String utf8(const char* p_utf8,int p_len=-1);
static uint32_t hash(const CharType* p_str,int p_len); /* hash the string */
static uint32_t hash(const CharType* p_str); /* 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;
Vector<uint8_t> md5_buffer() const;
inline bool empty() const { return length() == 0; }
// path functions
bool is_abs_path() const;
bool is_rel_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(size_t p_size);
String simplify_path() const;
String xml_escape(bool p_escape_quotes=false) const;
String xml_unescape() const;
String c_escape() const;
String c_unescape() const;
String percent_encode() const;
String percent_decode() const;
bool is_valid_identifier() const;
bool is_valid_integer() const;
bool is_valid_float() const;
bool is_valid_html_color() const;
bool is_valid_ip_address() const;
/**
* The constructors must not depend on other overloads
*/
/* String(CharType p_char);*/
inline String() {}
String(const char *p_str);
String(const CharType *p_str,int p_clip_to_len=-1);
String(const StrRange& p_range);
};
bool operator==(const char*p_chr, const String& p_str);
String operator+(const char*p_chr, const String& p_str);
String operator+(CharType p_chr, const String& p_str);
String itos(int64_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;
}
};
/* end of namespace */
#endif