caiyu/gmio
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

gmio_core/internal: make gmio_next_char() easier to maintain

Browse Source
This commit is contained in:
Hugues Delorme 2015-03-31 17:09:36 +02:00
parent 78d101860d
commit a04b9b2cda
1 changed files with 42 additions and 25 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

31
src/gmio_core/internal/string_parse.c
View File

@ -22,7 +22,6 @@
# include "fast_atof.h"
#endif
#include <ctype.h>
#include <errno.h>
#include <stdlib.h>
@ -43,15 +42,24 @@ const char *gmio_current_char(const gmio_string_stream_fwd_iterator_t *it)
return NULL;
}
const char *gmio_next_char(gmio_string_stream_fwd_iterator_t *it)
GMIO_INLINE gmio_bool_t gmio_is_next_char_buffered(
const gmio_string_stream_fwd_iterator_t *it)
{
return (it->buffer_pos + 1) < it->buffer.len ? GMIO_TRUE : GMIO_FALSE;
}
GMIO_INLINE const char* gmio_next_char_from_buffer(
gmio_string_stream_fwd_iterator_t *it)
{
if ((it->buffer_pos + 1) < it->buffer.len) {
++(it->buffer_pos);
return it->buffer.ptr + it->buffer_pos;
}
else {
GMIO_INLINE const char* gmio_next_char_from_stream(
gmio_string_stream_fwd_iterator_t *it)
{
if (gmio_stream_error(it->stream) != 0
|| gmio_stream_at_end(it->stream))
|| gmio_stream_at_end(it->stream) == GMIO_TRUE)
{
it->buffer_pos = it->buffer.len;
return NULL;
@ -68,11 +76,17 @@ const char *gmio_next_char(gmio_string_stream_fwd_iterator_t *it)
it->stream_read_hook(it->cookie, &it->buffer);
return it->buffer.ptr;
}
}
return NULL;
}
const char *gmio_next_char(gmio_string_stream_fwd_iterator_t *it)
{
if (gmio_is_next_char_buffered(it) == GMIO_TRUE)
return gmio_next_char_from_buffer(it);
return gmio_next_char_from_stream(it);
}
void gmio_skip_spaces(gmio_string_stream_fwd_iterator_t *it)
{
const char* curr_char = gmio_current_char(it);
@ -114,8 +128,11 @@ int gmio_eat_word(
if (i < buffer->max_len) {
buffer->ptr[i] = 0; /* End string with terminating null byte */
buffer->len = i;
if (stream_curr_char != NULL || gmio_stream_at_end(it->stream))
if (stream_curr_char != NULL
|| gmio_stream_at_end(it->stream) == GMIO_TRUE)
{
return 0;
}
return -3;
}
return -4;