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add missing support for reading single string attributes

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This commit is contained in:
q-posev 2021-08-11 16:01:36 +03:00
parent 209f4506c8
commit 721352cb89
2 changed files with 11 additions and 5 deletions
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6
src/pytrexio.i
View File

@ -34,13 +34,19 @@
*/
%apply int *OUTPUT { int32_t* const num};
%apply int *OUTPUT { int64_t* const num};
/* Does not work for arrays (SIGSEGV) */
/* This enables access to trexio_[...]_read_dset_str_low set of functions
in order to return one long string with TREXIO_DELIM delimeter as 2-nd argument of output tuple
*/
%include <cstring.i>
/* This enables read of long strings with TREXIO_DELIM delimeters that can be further converted into an array of string */
%cstring_bounded_output(char* dset_out, 4096);
/* This enables read of single string attributes with pre-defined max_str_len
for Python we pre-define max_str_len = PYTREXIO_MAX_STR_LENGTH everywhere for simplicity
*/
%cstring_output_maxsize(char* const str_out, const uint32_t max_str_len);
/* [WIP] TREXIO back ends and exit codes can be redefined in the SWIG target language
using %ignore and further #define statements (instead of disabling the type cast in the trexio.h file)

10
src/templates_front/templator_front.org
View File

@ -2289,27 +2289,27 @@ def read_$group_dset$(trexio_file):
#+begin_src c :tangle hrw_attr_str_front.h :exports none
trexio_exit_code trexio_has_$group_str$(trexio_t* const file);
trexio_exit_code trexio_read_$group_str$(trexio_t* const file, char* const str, const uint32_t max_str_len);
trexio_exit_code trexio_read_$group_str$(trexio_t* const file, char* const str_out, const uint32_t max_str_len);
trexio_exit_code trexio_write_$group_str$(trexio_t* const file, const char* str, const uint32_t max_str_len);
#+end_src
#+begin_src c :tangle read_attr_str_front.c
trexio_exit_code
trexio_read_$group_str$ (trexio_t* const file, char* const str, const uint32_t max_str_len)
trexio_read_$group_str$ (trexio_t* const file, char* const str_out, const uint32_t max_str_len)
{
if (file == NULL) return TREXIO_INVALID_ARG_1;
if (str == NULL) return TREXIO_INVALID_ARG_2;
if (str_out == NULL) return TREXIO_INVALID_ARG_2;
if (max_str_len <= 0) return TREXIO_INVALID_ARG_3;
switch (file->back_end) {
case TREXIO_TEXT:
return trexio_text_read_$group_str$(file, str, max_str_len);
return trexio_text_read_$group_str$(file, str_out, max_str_len);
break;
case TREXIO_HDF5:
return trexio_hdf5_read_$group_str$(file, str, max_str_len);
return trexio_hdf5_read_$group_str$(file, str_out, max_str_len);
break;
/*
case TREXIO_JSON: