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#ifndef TEXT_OBJECTS_H
#define TEXT_OBJECTS_H
/* these functions all take a file position. if this position is part of the
* respective text-object, a corresponding range is returned. if there is no
* such text-object at the given location, an empty range is returned.
*/
#include <stddef.h>
#include "text.h"
/* return range covering the entire text */
Filerange text_object_entire(Text*, size_t pos);
/* word which happens to be at pos without any neighbouring white spaces */
Filerange text_object_word(Text*, size_t pos);
/* includes trailing white spaces. if at pos happens to be a white space
* include all neighbouring leading white spaces and the following word. */
Filerange text_object_word_outer(Text*, size_t pos);
/* find next occurance of `word' (as word not substring) in forward/backward direction */
Filerange text_object_word_find_next(Text*, size_t pos, const char *word);
Filerange text_object_word_find_prev(Text*, size_t pos, const char *word);
/* find next occurance of a literal string (not regex) in forward/backward direction */
Filerange text_object_find_next(Text *txt, size_t pos, const char *search);
Filerange text_object_find_prev(Text *txt, size_t pos, const char *search);
/* same semantics as above but for a longword (i.e. delimited by white spaces) */
Filerange text_object_longword(Text*, size_t pos);
Filerange text_object_longword_outer(Text*, size_t pos);
Filerange text_object_line(Text*, size_t pos);
Filerange text_object_line_inner(Text*, size_t pos);
Filerange text_object_sentence(Text*, size_t pos);
Filerange text_object_paragraph(Text*, size_t pos);
Filerange text_object_paragraph_outer(Text*, size_t pos);
/* these are inner text objects i.e. the delimiters themself are not
* included in the range */
Filerange text_object_square_bracket(Text*, size_t pos);
Filerange text_object_curly_bracket(Text*, size_t pos);
Filerange text_object_angle_bracket(Text*, size_t pos);
Filerange text_object_parenthesis(Text*, size_t pos);
Filerange text_object_quote(Text*, size_t pos);
Filerange text_object_single_quote(Text*, size_t pos);
Filerange text_object_backtick(Text*, size_t pos);
/* match a search term in either forward or backward direction */
Filerange text_object_search_forward(Text*, size_t pos, Regex*);
Filerange text_object_search_backward(Text*, size_t pos, Regex*);
/* match all lines with same indendation level than the current one */
Filerange text_object_indentation(Text*, size_t pos);
/* extend a range to cover whole lines */
Filerange text_range_linewise(Text*, Filerange*);
/* trim leading and trailing white spaces from range */
Filerange text_range_inner(Text*, Filerange*);
/* test whether a given range covers whole lines */
bool text_range_is_linewise(Text*, Filerange*);
#endif
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