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Add some operations between acl::string and std::string.

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This commit is contained in:
zhengshuxin 2024-06-10 20:47:32 +08:00
parent 152a2a2b4f
commit 83aef8288b
2 changed files with 36 additions and 25 deletions
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39
lib_acl_cpp/include/acl_cpp/stdlib/string.hpp
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@ -5,6 +5,7 @@
#include <string>
#include <stdarg.h>
#include <utility>
#include <iostream>
struct ACL_VSTRING;
struct ACL_LINE_STATE;
@ -1301,7 +1302,7 @@ public:
* s1 = s2 + v;
*/
template<typename T>
string operator+(T v) {
string operator + (T v) {
string s(*this);
s += v;
return s;
@ -1324,8 +1325,8 @@ private:
* string s = "ok";
* printf("first: %s\r\n", "ok" == s ? "true" : "false");
*/
bool operator==(const string* s, const string& str);
bool operator==(const char* s, const string& str);
bool operator == (const string* s, const string& str);
bool operator == (const char* s, const string& str);
/**
* 模板函数，可用在以下场景:
@ -1334,7 +1335,7 @@ bool operator==(const char* s, const string& str);
* s1 = v + s2;
*/
template<typename T>
string operator+(T v, const string& rhs) {
string operator + (T v, const string& rhs) {
string s;
s = v;
s += rhs;
@ -1349,47 +1350,39 @@ string operator+(T v, const string& rhs) {
* s = 1000 + s1 + " " + s2 + 1000;
*/
} // namespce acl
// acl::string s1 = "hello world!";
// std::string s2;
// s2 += s1;
std::string& operator += (std::string& l, const acl::string& r) {
l += r.c_str();
return l;
}
std::string& operator += (std::string& l, const acl::string& r);
// std::string s1;
// acl::string s2;
// if (s1 == s2) {}
bool operator == (const std::string& l, const acl::string& r) {
return l.size() == r.size() && !r.ncompare(l.c_str(), l.size());
}
bool operator == (const std::string& l, const acl::string& r);
// acl::string s1;
// std::string s2;
// if (s1 == s2) {}
bool operator == (const acl::string& l, const std::string& r) {
return l.size() == r.size() && !l.ncompare(r.c_str(), l.size());
}
bool operator == (const acl::string& l, const std::string& r);
#include <iostream>
// acl::string s = "hello world!";
// std::cout << s << std::endl;
std::ostream& operator << (std::ostream& o, const acl::string& s) {
o << s.c_str();
return o;
}
std::ostream& operator << (std::ostream& o, const acl::string& s);
} // namespce acl
// 定义哈希方法，只为方便C++11中的 std::unordered_xxx 类容器使用
#if __cplusplus >= 201103L // Support c++11 ?
namespace std {
// 定义哈希方法，只为方便C++11中的 std::unordered_xxx 类容器使用
template <>
struct hash<acl::string> {
size_t operator()(const acl::string& key) const {
return key.hash();
}
};
} // namespace std
#endif
#endif // __cplusplus >= 201103L

22
lib_acl_cpp/src/stdlib/string.cpp
View File

@ -1958,14 +1958,32 @@ string& string::parse_int64(acl_uint64 n)
return s;
}
bool operator==(const string* s,const string& str)
bool operator == (const acl::string* s,const acl::string& str)
{
return (str == s);
}
bool operator==(const char* s,const string& str)
bool operator == (const char* s,const acl::string& str)
{
return (str == s);
}
std::string& operator += (std::string& l, const acl::string& r) {
l += r.c_str();
return l;
}
bool operator == (const std::string& l, const acl::string& r) {
return l.size() == r.size() && !r.ncompare(l.c_str(), l.size());
}
bool operator == (const acl::string& l, const std::string& r) {
return l.size() == r.size() && !l.ncompare(r.c_str(), l.size());
}
std::ostream& operator << (std::ostream& o, const acl::string& s) {
o << s.c_str();
return o;
}
} // namespace acl