LCOV - code coverage report
Current view: top level - Objects/stringlib - localeutil.h (source / functions) Hit Total Coverage
Test: CPython 3.12 LCOV report [commit acb105a7c1f] Lines: 33 33 100.0 %
Date: 2022-07-20 13:12:14 Functions: 3 3 100.0 %
Branches: 12 13 92.3 %

           Branch data     Line data    Source code
       1                 :            : /* _PyUnicode_InsertThousandsGrouping() helper functions */
       2                 :            : 
       3                 :            : typedef struct {
       4                 :            :     const char *grouping;
       5                 :            :     char previous;
       6                 :            :     Py_ssize_t i; /* Where we're currently pointing in grouping. */
       7                 :            : } GroupGenerator;
       8                 :            : 
       9                 :            : 
      10                 :            : static void
      11                 :     949468 : GroupGenerator_init(GroupGenerator *self, const char *grouping)
      12                 :            : {
      13                 :     949468 :     self->grouping = grouping;
      14                 :     949468 :     self->i = 0;
      15                 :     949468 :     self->previous = 0;
      16                 :     949468 : }
      17                 :            : 
      18                 :            : 
      19                 :            : /* Returns the next grouping, or 0 to signify end. */
      20                 :            : static Py_ssize_t
      21                 :     950300 : GroupGenerator_next(GroupGenerator *self)
      22                 :            : {
      23                 :            :     /* Note that we don't really do much error checking here. If a
      24                 :            :        grouping string contains just CHAR_MAX, for example, then just
      25                 :            :        terminate the generator. That shouldn't happen, but at least we
      26                 :            :        fail gracefully. */
      27      [ +  +  + ]:     950300 :     switch (self->grouping[self->i]) {
      28                 :        710 :     case 0:
      29                 :        710 :         return self->previous;
      30                 :     948964 :     case CHAR_MAX:
      31                 :            :         /* Stop the generator. */
      32                 :     948964 :         return 0;
      33                 :        626 :     default: {
      34                 :        626 :         char ch = self->grouping[self->i];
      35                 :        626 :         self->previous = ch;
      36                 :        626 :         self->i++;
      37                 :        626 :         return (Py_ssize_t)ch;
      38                 :            :     }
      39                 :            :     }
      40                 :            : }
      41                 :            : 
      42                 :            : 
      43                 :            : /* Fill in some digits, leading zeros, and thousands separator. All
      44                 :            :    are optional, depending on when we're called. */
      45                 :            : static void
      46                 :     950300 : InsertThousandsGrouping_fill(_PyUnicodeWriter *writer, Py_ssize_t *buffer_pos,
      47                 :            :                              PyObject *digits, Py_ssize_t *digits_pos,
      48                 :            :                              Py_ssize_t n_chars, Py_ssize_t n_zeros,
      49                 :            :                              PyObject *thousands_sep, Py_ssize_t thousands_sep_len,
      50                 :            :                              Py_UCS4 *maxchar)
      51                 :            : {
      52         [ +  + ]:     950300 :     if (!writer) {
      53                 :            :         /* if maxchar > 127, maxchar is already set */
      54   [ +  -  +  + ]:     475153 :         if (*maxchar == 127 && thousands_sep) {
      55                 :        416 :             Py_UCS4 maxchar2 = PyUnicode_MAX_CHAR_VALUE(thousands_sep);
      56                 :        416 :             *maxchar = Py_MAX(*maxchar, maxchar2);
      57                 :            :         }
      58                 :     475153 :         return;
      59                 :            :     }
      60                 :            : 
      61         [ +  + ]:     475147 :     if (thousands_sep) {
      62                 :        416 :         *buffer_pos -= thousands_sep_len;
      63                 :            : 
      64                 :            :         /* Copy the thousands_sep chars into the buffer. */
      65                 :        416 :         _PyUnicode_FastCopyCharacters(writer->buffer, *buffer_pos,
      66                 :            :                                       thousands_sep, 0,
      67                 :            :                                       thousands_sep_len);
      68                 :            :     }
      69                 :            : 
      70                 :     475147 :     *buffer_pos -= n_chars;
      71                 :     475147 :     *digits_pos -= n_chars;
      72                 :     475147 :     _PyUnicode_FastCopyCharacters(writer->buffer, *buffer_pos,
      73                 :            :                                   digits, *digits_pos,
      74                 :            :                                   n_chars);
      75                 :            : 
      76         [ +  + ]:     475147 :     if (n_zeros) {
      77                 :     173028 :         *buffer_pos -= n_zeros;
      78                 :     173028 :         int kind = PyUnicode_KIND(writer->buffer);
      79                 :     173028 :         void *data = PyUnicode_DATA(writer->buffer);
      80                 :     173028 :         unicode_fill(kind, data, '0', *buffer_pos, n_zeros);
      81                 :            :     }
      82                 :            : }

Generated by: LCOV version 1.14