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ascii_parse: add function foug_checked_next_chars()

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This commit is contained in:
Hugues Delorme 2014-01-28 10:11:26 +01:00
parent 340ed4f117
commit b41817fcad
2 changed files with 19 additions and 3 deletions
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16
src/internal/ascii_parse.c
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@ -14,7 +14,7 @@ void foug_ascii_stream_fwd_iterator_init(foug_ascii_stream_fwd_iterator_t *it)
foug_next_char(it);
}
char *foug_current_char(foug_ascii_stream_fwd_iterator_t *it)
char *foug_current_char(const foug_ascii_stream_fwd_iterator_t *it)
{
if (it != NULL && it->buffer_pos < it->buffer.len)
return it->buffer.ptr + it->buffer_pos;
@ -101,3 +101,17 @@ int foug_get_real32(const char *str, foug_real32_t *value_ptr)
return 0;
}
foug_bool_t foug_checked_next_chars(foug_ascii_stream_fwd_iterator_t *it, const char *str)
{
size_t pos = 0;
const char* curr_char = foug_current_char(it);
foug_bool_t same = curr_char != NULL && *curr_char == *str;
while (same) {
curr_char = foug_next_char(it);
same = curr_char != NULL && *curr_char == str[++pos];
}
return same;
}

6
src/internal/ascii_parse.h
View File

@ -22,10 +22,12 @@ typedef struct
} foug_ascii_stream_fwd_iterator_t;
void foug_ascii_stream_fwd_iterator_init(foug_ascii_stream_fwd_iterator_t* it);
char* foug_current_char(foug_ascii_stream_fwd_iterator_t* it);
char* foug_next_char(foug_ascii_stream_fwd_iterator_t* it);
char* foug_current_char(const foug_ascii_stream_fwd_iterator_t* it);
void foug_skip_spaces(foug_ascii_stream_fwd_iterator_t* it);
int foug_eat_word(foug_ascii_stream_fwd_iterator_t* it, foug_ascii_string_buffer_t* buffer);
int foug_get_real32(const char* str, foug_real32_t* value_ptr);
char* foug_next_char(foug_ascii_stream_fwd_iterator_t* it);
foug_bool_t foug_checked_next_chars(foug_ascii_stream_fwd_iterator_t* it, const char* str);
#endif /* FOUG_INTERNAL_ASCII_PARSE_H */