github.com/goplus/llgo@v0.8.3/py/unicode.go (about)

     1  /*
     2   * Copyright (c) 2024 The GoPlus Authors (goplus.org). All rights reserved.
     3   *
     4   * Licensed under the Apache License, Version 2.0 (the "License");
     5   * you may not use this file except in compliance with the License.
     6   * You may obtain a copy of the License at
     7   *
     8   *     http://www.apache.org/licenses/LICENSE-2.0
     9   *
    10   * Unless required by applicable law or agreed to in writing, software
    11   * distributed under the License is distributed on an "AS IS" BASIS,
    12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13   * See the License for the specific language governing permissions and
    14   * limitations under the License.
    15   */
    16  
    17  package py
    18  
    19  import (
    20  	_ "unsafe"
    21  
    22  	"github.com/goplus/llgo/c"
    23  )
    24  
    25  // https://docs.python.org/3/c-api/unicode.html
    26  
    27  // Return a pointer to the UTF-8 encoding of the Unicode object, and store the
    28  // size of the encoded representation (in bytes) in size. The size argument can
    29  // be nil; in this case no size will be stored. The returned buffer always has
    30  // an extra null byte appended (not included in size), regardless of whether
    31  // there are any other null code points.
    32  //
    33  // In the case of an error, nil is returned with an exception set and no size is
    34  // stored.
    35  //
    36  // This caches the UTF-8 representation of the string in the Unicode object, and
    37  // subsequent calls will return a pointer to the same buffer. The caller is not
    38  // responsible for deallocating the buffer. The buffer is deallocated and pointers
    39  // to it become invalid when the Unicode object is garbage collected.
    40  //
    41  // llgo:link (*Object).CStrAndLen C.PyUnicode_AsUTF8AndSize
    42  func (u *Object) CStrAndLen() (*c.Char, uintptr) { return nil, 0 }
    43  
    44  // As CStrAndLen, but does not store the len.
    45  //
    46  // llgo:link (*Object).CStr C.PyUnicode_AsUTF8
    47  func (u *Object) CStr() *c.Char { return nil }
    48  
    49  // Same as CStr. Provided for Go+.
    50  //
    51  // llgo:link (*Object).Cstr C.PyUnicode_AsUTF8
    52  func (u *Object) Cstr() *c.Char { return nil }