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#include "vis-core.h"
#include "text-objects.h"
#include "util.h"
int vis_textobject_register(Vis *vis, int type, void *data, VisTextObjectFunction *textobject) {
TextObject *obj = calloc(1, sizeof *obj);
if (!obj)
return -1;
obj->user = textobject;
obj->type = type;
obj->data = data;
if (array_add_ptr(&vis->textobjects, obj))
return LENGTH(vis_textobjects) + array_length(&vis->textobjects) - 1;
free(obj);
return -1;
}
bool vis_textobject(Vis *vis, enum VisTextObject id) {
if (id < LENGTH(vis_textobjects))
vis->action.textobj = &vis_textobjects[id];
else
vis->action.textobj = array_get_ptr(&vis->textobjects, id - LENGTH(vis_textobjects));
if (!vis->action.textobj)
return false;
vis_do(vis);
return true;
}
static Filerange search_forward(Vis *vis, Text *txt, size_t pos) {
Filerange range = text_range_empty();
Regex *regex = vis_regex(vis, NULL);
if (regex)
range = text_object_search_forward(txt, pos, regex);
text_regex_free(regex);
return range;
}
static Filerange search_backward(Vis *vis, Text *txt, size_t pos) {
Filerange range = text_range_empty();
Regex *regex = vis_regex(vis, NULL);
if (regex)
range = text_object_search_backward(txt, pos, regex);
text_regex_free(regex);
return range;
}
static Filerange object_unpaired(Text *txt, size_t pos, char obj) {
char c;
bool before = false;
Iterator it = text_iterator_get(txt, pos), rit = it;
while (text_iterator_byte_get(&rit, &c) && c != '\n') {
if (c == obj) {
before = true;
break;
}
text_iterator_byte_prev(&rit, NULL);
}
/* if there is no previous occurrence on the same line, advance starting position */
if (!before) {
while (text_iterator_byte_get(&it, &c) && c != '\n') {
if (c == obj) {
pos = it.pos;
break;
}
text_iterator_byte_next(&it, NULL);
}
}
switch (obj) {
case '"':
return text_object_quote(txt, pos);
case '\'':
return text_object_single_quote(txt, pos);
case '`':
return text_object_backtick(txt, pos);
default:
return text_range_empty();
}
}
static Filerange object_quote(Text *txt, size_t pos) {
return object_unpaired(txt, pos, '"');
}
static Filerange object_single_quote(Text *txt, size_t pos) {
return object_unpaired(txt, pos, '\'');
}
static Filerange object_backtick(Text *txt, size_t pos) {
return object_unpaired(txt, pos, '`');
}
const TextObject vis_textobjects[] = {
[VIS_TEXTOBJECT_INNER_WORD] = {
.txt = text_object_word,
},
[VIS_TEXTOBJECT_OUTER_WORD] = {
.txt = text_object_word_outer,
},
[VIS_TEXTOBJECT_INNER_LONGWORD] = {
.txt = text_object_longword,
},
[VIS_TEXTOBJECT_OUTER_LONGWORD] = {
.txt = text_object_longword_outer,
},
[VIS_TEXTOBJECT_SENTENCE] = {
.txt = text_object_sentence,
},
[VIS_TEXTOBJECT_PARAGRAPH] = {
.txt = text_object_paragraph,
},
[VIS_TEXTOBJECT_PARAGRAPH_OUTER] = {
.txt = text_object_paragraph_outer,
},
[VIS_TEXTOBJECT_OUTER_SQUARE_BRACKET] = {
.txt = text_object_square_bracket,
.type = TEXTOBJECT_DELIMITED_OUTER,
},
[VIS_TEXTOBJECT_INNER_SQUARE_BRACKET] = {
.txt = text_object_square_bracket,
.type = TEXTOBJECT_DELIMITED_INNER,
},
[VIS_TEXTOBJECT_OUTER_CURLY_BRACKET] = {
.txt = text_object_curly_bracket,
.type = TEXTOBJECT_DELIMITED_OUTER,
},
[VIS_TEXTOBJECT_INNER_CURLY_BRACKET] = {
.txt = text_object_curly_bracket,
.type = TEXTOBJECT_DELIMITED_INNER,
},
[VIS_TEXTOBJECT_OUTER_ANGLE_BRACKET] = {
.txt = text_object_angle_bracket,
.type = TEXTOBJECT_DELIMITED_OUTER,
},
[VIS_TEXTOBJECT_INNER_ANGLE_BRACKET] = {
.txt = text_object_angle_bracket,
.type = TEXTOBJECT_DELIMITED_INNER,
},
[VIS_TEXTOBJECT_OUTER_PARENTHESIS] = {
.txt = text_object_parenthesis,
.type = TEXTOBJECT_DELIMITED_OUTER,
},
[VIS_TEXTOBJECT_INNER_PARENTHESIS] = {
.txt = text_object_parenthesis,
.type = TEXTOBJECT_DELIMITED_INNER,
},
[VIS_TEXTOBJECT_OUTER_QUOTE] = {
.txt = object_quote,
.type = TEXTOBJECT_DELIMITED_OUTER,
},
[VIS_TEXTOBJECT_INNER_QUOTE] = {
.txt = object_quote,
.type = TEXTOBJECT_DELIMITED_INNER,
},
[VIS_TEXTOBJECT_OUTER_SINGLE_QUOTE] = {
.txt = object_single_quote,
.type = TEXTOBJECT_DELIMITED_OUTER,
},
[VIS_TEXTOBJECT_INNER_SINGLE_QUOTE] = {
.txt = object_single_quote,
.type = TEXTOBJECT_DELIMITED_INNER,
},
[VIS_TEXTOBJECT_OUTER_BACKTICK] = {
.txt = object_backtick,
.type = TEXTOBJECT_DELIMITED_OUTER,
},
[VIS_TEXTOBJECT_INNER_BACKTICK] = {
.txt = object_backtick,
.type = TEXTOBJECT_DELIMITED_INNER,
},
[VIS_TEXTOBJECT_OUTER_LINE] = {
.txt = text_object_line,
},
[VIS_TEXTOBJECT_INNER_LINE] = {
.txt = text_object_line_inner,
},
[VIS_TEXTOBJECT_INDENTATION] = {
.txt = text_object_indentation,
},
[VIS_TEXTOBJECT_SEARCH_FORWARD] = {
.vis = search_forward,
.type = TEXTOBJECT_NON_CONTIGUOUS|TEXTOBJECT_EXTEND_FORWARD,
},
[VIS_TEXTOBJECT_SEARCH_BACKWARD] = {
.vis = search_backward,
.type = TEXTOBJECT_NON_CONTIGUOUS|TEXTOBJECT_EXTEND_BACKWARD,
},
};
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