136 lines
4.1 KiB
C++
136 lines
4.1 KiB
C++
#ifndef string_hh_INCLUDED
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#define string_hh_INCLUDED
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#include <string>
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#include <iosfwd>
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#include <climits>
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#include <boost/regex.hpp>
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#include "memoryview.hh"
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#include "units.hh"
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#include "utf8.hh"
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namespace Kakoune
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{
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typedef boost::regex Regex;
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class String
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{
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public:
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String() {}
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String(const char* content) : m_content(content) {}
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String(std::string content) : m_content(std::move(content)) {}
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String(const String& string) = default;
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String(String&& string) = default;
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explicit String(char content, CharCount count = 1) : m_content((size_t)(int)count, content) {}
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explicit String(Codepoint cp, CharCount count = 1)
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{
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std::string str;
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auto it = back_inserter(str);
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utf8::dump(it, cp);
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for (CharCount i = 0; i < count; ++i)
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m_content += str;
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}
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template<typename Iterator>
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String(Iterator begin, Iterator end) : m_content(begin, end) {}
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char operator[](ByteCount pos) const { return m_content[(int)pos]; }
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ByteCount length() const { return m_content.length(); }
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CharCount char_length() const { return utf8::distance(begin(), end()); }
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ByteCount byte_count_to(CharCount count) const { return utf8::advance(begin(), end(), (int)count) - begin(); }
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CharCount char_count_to(ByteCount count) const { return utf8::distance(begin(), begin() + (int)count); }
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bool empty() const { return m_content.empty(); }
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bool operator== (const String& other) const { return m_content == other.m_content; }
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bool operator!= (const String& other) const { return m_content != other.m_content; }
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bool operator< (const String& other) const { return m_content < other.m_content; }
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String& operator= (const String& other) { m_content = other.m_content; return *this; }
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String& operator= (String&& other) { m_content = std::move(other.m_content); return *this; }
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String operator+ (const String& other) const { return String(m_content + other.m_content); }
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String& operator+= (const String& other) { m_content += other.m_content; return *this; }
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String operator+ (char c) const { return String(m_content + c); }
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String& operator+= (char c) { m_content += c; return *this; }
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memoryview<char> data() const { return memoryview<char>(m_content.data(), m_content.size()); }
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const char* c_str() const { return m_content.c_str(); }
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String substr(ByteCount pos, ByteCount length = -1) const { return String(m_content.substr((int)pos, (int)length)); }
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String substr(CharCount pos, CharCount length = INT_MAX) const
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{
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auto b = utf8::advance(begin(), end(), (int)pos);
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auto e = utf8::advance(b, end(), (int)length);
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return String(b,e);
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}
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String replace(const String& expression, const String& replacement) const;
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using iterator = std::string::const_iterator;
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iterator begin() const { return m_content.begin(); }
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iterator end() const { return m_content.end(); }
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char front() const { return m_content.front(); }
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char back() const { return m_content.back(); }
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char& front() { return m_content.front(); }
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char& back() { return m_content.back(); }
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size_t hash() const { return std::hash<std::string>()(m_content); }
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inline friend std::ostream& operator<<(std::ostream& os, const String& str)
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{
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return os << str.m_content;
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}
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enum { npos = -1 };
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private:
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std::string m_content;
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};
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inline String operator+(const char* lhs, const String& rhs)
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{
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return String(lhs) + rhs;
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}
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inline String operator+(char lhs, const String& rhs)
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{
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return String(lhs) + rhs;
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}
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String int_to_str(int value);
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int str_to_int(const String& str);
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std::vector<String> split(const String& str, char separator);
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inline String operator"" _str(const char* str, size_t)
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{
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return String(str);
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}
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inline String codepoint_to_str(Codepoint cp)
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{
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std::string str;
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auto it = back_inserter(str);
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utf8::dump(it, cp);
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return String(str);
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}
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}
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namespace std
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{
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template<>
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struct hash<Kakoune::String>
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{
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size_t operator()(const Kakoune::String& str) const
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{
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return str.hash();
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}
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};
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}
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#endif // string_hh_INCLUDED
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