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common: add some new callbacks to ivy_line_source

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these callbacks will be used to implement diagnostic messages.
This commit is contained in:
max 🍓
2025-05-08 10:47:07 +01:00
parent 1c3aff9ad3
commit 8e8637882d
2 changed files with 30 additions and 0 deletions
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9
common/include/ivy/line-source.h
View File

@@ -5,12 +5,21 @@
#include <stddef.h> #include <stddef.h>
struct ivy_line_source { struct ivy_line_source {
enum ivy_status (*s_get_name)(
struct ivy_line_source *, char *, size_t, size_t *);
enum ivy_status (*s_readline)( enum ivy_status (*s_readline)(
struct ivy_line_source *, char *, size_t, size_t *, const char *); struct ivy_line_source *, char *, size_t, size_t *, const char *);
enum ivy_status (*s_get_row)(
struct ivy_line_source *, size_t, char *, size_t, size_t *);
}; };
IVY_API enum ivy_status ivy_line_source_get_name(
struct ivy_line_source *src, char *buf, size_t count, size_t *nr_read);
IVY_API enum ivy_status ivy_line_source_readline( IVY_API enum ivy_status ivy_line_source_readline(
struct ivy_line_source *src, char *buf, size_t count, size_t *nr_read, struct ivy_line_source *src, char *buf, size_t count, size_t *nr_read,
const char *prompt); const char *prompt);
IVY_API enum ivy_status ivy_line_source_get_row(
struct ivy_line_source *src, size_t row, char *buf, size_t count,
size_t *nr_read);
#endif #endif

21
common/line-source.c
View File

@@ -1,5 +1,15 @@
#include <ivy/line-source.h> #include <ivy/line-source.h>
enum ivy_status ivy_line_source_get_name(
struct ivy_line_source *src, char *buf, size_t count, size_t *nr_read)
{
if (src->s_get_name) {
return src->s_get_name(src, buf, count, nr_read);
}
return IVY_ERR_NOT_SUPPORTED;
}
enum ivy_status ivy_line_source_readline( enum ivy_status ivy_line_source_readline(
struct ivy_line_source *src, char *buf, size_t count, size_t *nr_read, struct ivy_line_source *src, char *buf, size_t count, size_t *nr_read,
const char *prompt) const char *prompt)
@@ -10,3 +20,14 @@ enum ivy_status ivy_line_source_readline(
return IVY_ERR_NOT_SUPPORTED; return IVY_ERR_NOT_SUPPORTED;
} }
enum ivy_status ivy_line_source_get_row(
struct ivy_line_source *src, size_t row, char *buf, size_t count,
size_t *nr_read)
{
if (src->s_get_row) {
return src->s_get_row(src, row, buf, count, nr_read);
}
return IVY_ERR_NOT_SUPPORTED;
}