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impl B64Encode<String,String> for B64<String>{ fn encode(data:String)->String{ let mut len_data:usize=data.len(); let mut ptr_data:*const u8=data.as_ptr(); let size:usize=len_data/3*4+if len_data%3==0 {0}else{4}; let mut string:String=String::with_capacity(size); let mut d:u64; unsafe{ let mut vector=&mut string.as_mut_vec(); vector.resize(size,0); let mut pointer=vector.as_mut_ptr(); let ptr_alphabet=ALPHABET64.as_ptr(); while len_data>7{ d=(*(ptr_data as *mut u64)).to_be(); *pointer.offset(0)=*ptr_alphabet.offset(((d>>58)&0b111111) as isize); *pointer.offset(1)=*ptr_alphabet.offset(((d>>52)&0b111111) as isize); *pointer.offset(2)=*ptr_alphabet.offset(((d>>46)&0b111111) as isize); *pointer.offset(3)=*ptr_alphabet.offset(((d>>40)&0b111111) as isize); *pointer.offset(4)=*ptr_alphabet.offset(((d>>34)&0b111111) as isize); *pointer.offset(5)=*ptr_alphabet.offset(((d>>28)&0b111111) as isize); *pointer.offset(6)=*ptr_alphabet.offset(((d>>22)&0b111111) as isize); *pointer.offset(7)=*ptr_alphabet.offset(((d>>16)&0b111111) as isize); pointer=pointer.offset(8); ptr_data=ptr_data.offset(6); len_data-=6; } while len_data>2{ *pointer.offset(0)=*ptr_alphabet.offset((*ptr_data.offset(0)>>2) as isize); *pointer.offset(1)=*ptr_alphabet.offset((((*ptr_data.offset(0)&0b11)<<4)|(*ptr_data.offset(1)>>4)) as isize); *pointer.offset(2)=*ptr_alphabet.offset((((*ptr_data.offset(1)&0b1111)<<2)|(*ptr_data.offset(2)>>6)) as isize); *pointer.offset(3)=*ptr_alphabet.offset((*ptr_data.offset(2)&0b111111) as isize); pointer=pointer.offset(4); ptr_data=ptr_data.offset(3); len_data-=3; } if len_data==2{ *pointer.offset(0)=*ptr_alphabet.offset((*ptr_data>>2) as isize); *pointer.offset(1)=*ptr_alphabet.offset((((*ptr_data&0b11)<<4)|{ptr_data=ptr_data.offset(1);*ptr_data>>4}) as isize); *pointer.offset(2)=*ptr_alphabet.offset(((*ptr_data&0b1111)<<2) as isize); *pointer.offset(3)=61; }else{ if len_data==1{ *pointer.offset(0)=*ptr_alphabet.offset((*ptr_data>>2) as isize); *pointer.offset(1)=*ptr_alphabet.offset(((*ptr_data&0b11)<<4) as isize); *pointer.offset(2)=61; *pointer.offset(3)=61; } } } return string; } } impl B64Encode<&'static str,String> for B64<String>{ fn encode(data:&'static str)->String{ let mut len_data:usize=data.len(); let mut ptr_data:*const u8=data.as_ptr(); let size:usize=len_data/3*4+if len_data%3==0 {0}else{4}; let mut string:String=String::with_capacity(size); let mut d:u64; unsafe{ let mut vector=&mut string.as_mut_vec(); vector.resize(size,0); let mut pointer=vector.as_mut_ptr(); let ptr_alphabet=ALPHABET64.as_ptr(); while len_data>7{ d=(*(ptr_data as *mut u64)).to_be(); *pointer.offset(0)=*ptr_alphabet.offset(((d>>58)&0b111111) as isize); *pointer.offset(1)=*ptr_alphabet.offset(((d>>52)&0b111111) as isize); *pointer.offset(2)=*ptr_alphabet.offset(((d>>46)&0b111111) as isize); *pointer.offset(3)=*ptr_alphabet.offset(((d>>40)&0b111111) as isize); *pointer.offset(4)=*ptr_alphabet.offset(((d>>34)&0b111111) as isize); *pointer.offset(5)=*ptr_alphabet.offset(((d>>28)&0b111111) as isize); *pointer.offset(6)=*ptr_alphabet.offset(((d>>22)&0b111111) as isize); *pointer.offset(7)=*ptr_alphabet.offset(((d>>16)&0b111111) as isize); pointer=pointer.offset(8); ptr_data=ptr_data.offset(6); len_data-=6; } while len_data>2{ *pointer.offset(0)=*ptr_alphabet.offset((*ptr_data.offset(0)>>2) as isize); *pointer.offset(1)=*ptr_alphabet.offset((((*ptr_data.offset(0)&0b11)<<4)|(*ptr_data.offset(1)>>4)) as isize); *pointer.offset(2)=*ptr_alphabet.offset((((*ptr_data.offset(1)&0b1111)<<2)|(*ptr_data.offset(2)>>6)) as isize); *pointer.offset(3)=*ptr_alphabet.offset((*ptr_data.offset(2)&0b111111) as isize); pointer=pointer.offset(4); ptr_data=ptr_data.offset(3); len_data-=3; } if len_data==2{ *pointer.offset(0)=*ptr_alphabet.offset((*ptr_data>>2) as isize); *pointer.offset(1)=*ptr_alphabet.offset((((*ptr_data&0b11)<<4)|{ptr_data=ptr_data.offset(1);*ptr_data>>4}) as isize); *pointer.offset(2)=*ptr_alphabet.offset(((*ptr_data&0b1111)<<2) as isize); *pointer.offset(3)=61; }else{ if len_data==1{ *pointer.offset(0)=*ptr_alphabet.offset((*ptr_data>>2) as isize); *pointer.offset(1)=*ptr_alphabet.offset(((*ptr_data&0b11)<<4) as isize); *pointer.offset(2)=61; *pointer.offset(3)=61; } } } return string; } } impl B64Decode<String,String> for B64<String>{ fn decode(data:String)->String{ let mut len_data:usize=data.len(); let mut ptr_data:*const u8=data.as_ptr(); let np:usize; unsafe{np=if len_data>2 {if *ptr_data.offset((len_data-2) as isize)==61 {2}else{if *ptr_data.offset((len_data-1) as isize)==61 {1}else{0}}}else{0};} let size:usize=len_data/4*3-np; let mut string:String=String::with_capacity(size); unsafe{ let mut vector=&mut string.as_mut_vec(); vector.resize(size,0); let mut pointer=vector.as_mut_ptr(); let ptr_alphabet=_ALPHABET64.as_ptr(); while len_data>8{ *pointer.offset(0)=*ptr_alphabet.offset(*ptr_data.offset(0) as isize)<<2|*ptr_alphabet.offset(*ptr_data.offset(1) as isize)>>4; *pointer.offset(1)=*ptr_alphabet.offset(*ptr_data.offset(1) as isize)<<4|*ptr_alphabet.offset(*ptr_data.offset(2) as isize)>>2; *pointer.offset(2)=*ptr_alphabet.offset(*ptr_data.offset(2) as isize)<<6|*ptr_alphabet.offset(*ptr_data.offset(3) as isize)>>0; *pointer.offset(3)=*ptr_alphabet.offset(*ptr_data.offset(4) as isize)<<2|*ptr_alphabet.offset(*ptr_data.offset(5) as isize)>>4; *pointer.offset(4)=*ptr_alphabet.offset(*ptr_data.offset(5) as isize)<<4|*ptr_alphabet.offset(*ptr_data.offset(6) as isize)>>2; *pointer.offset(5)=*ptr_alphabet.offset(*ptr_data.offset(6) as isize)<<6|*ptr_alphabet.offset(*ptr_data.offset(7) as isize)>>0; pointer=pointer.offset(6); ptr_data=ptr_data.offset(8); len_data-=8; } while len_data>3{ if len_data>4{ *pointer.offset(0)=*ptr_alphabet.offset(*ptr_data.offset(0) as isize)<<2|*ptr_alphabet.offset(*ptr_data.offset(1) as isize)>>4; *pointer.offset(1)=*ptr_alphabet.offset(*ptr_data.offset(1) as isize)<<4|*ptr_alphabet.offset(*ptr_data.offset(2) as isize)>>2; *pointer.offset(2)=*ptr_alphabet.offset(*ptr_data.offset(2) as isize)<<6|*ptr_alphabet.offset(*ptr_data.offset(3) as isize)>>0; pointer=pointer.offset(3); ptr_data=ptr_data.offset(4); len_data-=4; }else{ if np==0{ *pointer.offset(0)=*ptr_alphabet.offset(*ptr_data.offset(0) as isize)<<2|*ptr_alphabet.offset(*ptr_data.offset(1) as isize)>>4; *pointer.offset(1)=*ptr_alphabet.offset(*ptr_data.offset(1) as isize)<<4|*ptr_alphabet.offset(*ptr_data.offset(2) as isize)>>2; *pointer.offset(2)=*ptr_alphabet.offset(*ptr_data.offset(2) as isize)<<6|*ptr_alphabet.offset(*ptr_data.offset(3) as isize)>>0; }else{ if np==1{ *pointer.offset(0)=*ptr_alphabet.offset(*ptr_data.offset(0) as isize)<<2|*ptr_alphabet.offset(*ptr_data.offset(1) as isize)>>4; *pointer.offset(1)=*ptr_alphabet.offset(*ptr_data.offset(1) as isize)<<4|*ptr_alphabet.offset(*ptr_data.offset(2) as isize)>>2; }else{ if np==2{ *pointer.offset(0)=*ptr_alphabet.offset(*ptr_data.offset(0) as isize)<<2|*ptr_alphabet.offset(*ptr_data.offset(1) as isize)>>4; } } } len_data-=4; } } } return string; } } impl B64Decode<&'static str,String> for B64<String>{ fn decode(data:&'static str)->String{ let mut len_data:usize=data.len(); let mut ptr_data:*const u8=data.as_ptr(); let np:usize; unsafe{np=if len_data>2 {if *ptr_data.offset((len_data-2) as isize)==61 {2}else{if *ptr_data.offset((len_data-1) as isize)==61 {1}else{0}}}else{0};} let size:usize=len_data/4*3-np; let mut string:String=String::with_capacity(size); unsafe{ let mut vector=&mut string.as_mut_vec(); vector.resize(size,0); let mut pointer=vector.as_mut_ptr(); let ptr_alphabet=_ALPHABET64.as_ptr(); while len_data>8{ *pointer.offset(0)=*ptr_alphabet.offset(*ptr_data.offset(0) as isize)<<2|*ptr_alphabet.offset(*ptr_data.offset(1) as isize)>>4; *pointer.offset(1)=*ptr_alphabet.offset(*ptr_data.offset(1) as isize)<<4|*ptr_alphabet.offset(*ptr_data.offset(2) as isize)>>2; *pointer.offset(2)=*ptr_alphabet.offset(*ptr_data.offset(2) as isize)<<6|*ptr_alphabet.offset(*ptr_data.offset(3) as isize)>>0; *pointer.offset(3)=*ptr_alphabet.offset(*ptr_data.offset(4) as isize)<<2|*ptr_alphabet.offset(*ptr_data.offset(5) as isize)>>4; *pointer.offset(4)=*ptr_alphabet.offset(*ptr_data.offset(5) as isize)<<4|*ptr_alphabet.offset(*ptr_data.offset(6) as isize)>>2; *pointer.offset(5)=*ptr_alphabet.offset(*ptr_data.offset(6) as isize)<<6|*ptr_alphabet.offset(*ptr_data.offset(7) as isize)>>0; pointer=pointer.offset(6); ptr_data=ptr_data.offset(8); len_data-=8; } while len_data>3{ if len_data>4{ *pointer.offset(0)=*ptr_alphabet.offset(*ptr_data.offset(0) as isize)<<2|*ptr_alphabet.offset(*ptr_data.offset(1) as isize)>>4; *pointer.offset(1)=*ptr_alphabet.offset(*ptr_data.offset(1) as isize)<<4|*ptr_alphabet.offset(*ptr_data.offset(2) as isize)>>2; *pointer.offset(2)=*ptr_alphabet.offset(*ptr_data.offset(2) as isize)<<6|*ptr_alphabet.offset(*ptr_data.offset(3) as isize)>>0; pointer=pointer.offset(3); ptr_data=ptr_data.offset(4); len_data-=4; }else{ if np==0{ *pointer.offset(0)=*ptr_alphabet.offset(*ptr_data.offset(0) as isize)<<2|*ptr_alphabet.offset(*ptr_data.offset(1) as isize)>>4; *pointer.offset(1)=*ptr_alphabet.offset(*ptr_data.offset(1) as isize)<<4|*ptr_alphabet.offset(*ptr_data.offset(2) as isize)>>2; *pointer.offset(2)=*ptr_alphabet.offset(*ptr_data.offset(2) as isize)<<6|*ptr_alphabet.offset(*ptr_data.offset(3) as isize)>>0; }else{ if np==1{ *pointer.offset(0)=*ptr_alphabet.offset(*ptr_data.offset(0) as isize)<<2|*ptr_alphabet.offset(*ptr_data.offset(1) as isize)>>4; *pointer.offset(1)=*ptr_alphabet.offset(*ptr_data.offset(1) as isize)<<4|*ptr_alphabet.offset(*ptr_data.offset(2) as isize)>>2; }else{ if np==2{ *pointer.offset(0)=*ptr_alphabet.offset(*ptr_data.offset(0) as isize)<<2|*ptr_alphabet.offset(*ptr_data.offset(1) as isize)>>4; } } } len_data-=4; } } } return string; } }