matuush/zeed
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Unite everything with file_offset

Browse source
This commit is contained in:
Matúš Púll 2025-04-16 21:12:54 +02:00
parent a9bc74264d
commit fe62172682
2 changed files with 50 additions and 44 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

91
main.cpp
View file

@ -13,7 +13,10 @@ using std::string;
#define adds(s) addstr(s.c_str())
enum mode_type { INSERT, NORMAL, SELECT };
struct position { count_type r, c; };
struct position {
count_type r, c;
position operator+(count_type offset) { return {r + offset, c}; }
};
// Global variables
treap file;
@ -23,23 +26,24 @@ position clp;
treap selection;
// Accessing the file
string get_line(count_type r, bool clean = true) {
string line = (*file.find(file_offset+r)).text;
if(!clean)
string get_line(count_type r, bool substitute_tab = true) {
string line = file.get(r);
if(!substitute_tab)
return line;
for(count_type i = 0; i < line.size(); ++i)
if(line[i] == '\t')
line[i] = ' ';
return line;
}
void set(position p, char ch) { file.find(file_offset+p.r)->text[p.c] = ch; }
void new_line(count_type r, string text = "") { file.insert(file_offset+r, text); }
void insert(position p, string t) { file.find(file_offset+p.r)->text.insert(p.c, t); }
void set(position p, char ch) { file.find(p.r)->text[p.c] = ch; }
void new_line(count_type r, string text = "") { file.insert(r, text); }
void insert(position p, string t) { file.find(p.r)->text.insert(p.c, t); }
void insert(position p, char ch) { insert(p, string{ch}); }
void remove(position p, count_type len=1) { file.find(p.r)->text.erase(p.c,len); }
void remove(count_type r) { file.remove(r); }
void append(string t) { file.append(t); }
void remove(position p, count_type len=1) { file.find(file_offset+p.r)->text.erase(p.c,len); }
void remove(count_type r) { file.remove(file_offset+r); }
// Taking user input
count_type get_number() {
char ch = '0';
string s = "";
@ -68,26 +72,26 @@ bool save(string filename) {
return 1;
for(count_type i = 0; i < file.size(); ++i)
outfile << get_line(i-file_offset, 0) << std::endl;
outfile << get_line(i, 0) << std::endl;
return 0;
}
// Clear line
void clear_line(count_type r) {
move(r, 0);
move(r - file_offset, 0);
clrtoeol();
}
// Print line
void print_line(count_type r) {
clear_line(r);
move(r, 0);
move(r - file_offset, 0);
adds(get_line(r));
}
// Print file content
void print_file(count_type start = 0) {
for(count_type i = start; i < LINES; i++)
if(file_offset+i < file.size())
for(count_type i = start; i < file_offset + LINES; i++)
if(i < file.size())
print_line(i);
else
clear_line(i);
@ -101,9 +105,9 @@ void split_line(position p) {
}
// Copying
void copy_selection() {
void copy_selection(position p = cur + file_offset) {
// Determine first and last selected position
position start = cur, end = clp;
position start = p, end = clp;
if(clp.r < cur.r || (clp.r == cur.r && clp.c < cur.c))
start = clp, end = cur;
@ -128,30 +132,29 @@ void copy_selection() {
}
}
// Pasting
void paste_selection(position p = cur) {
void paste_selection(position p = cur + file_offset) {
if(selection.size() == 0) return;
// Insert last line inside of this
insert(p, selection.find(selection.size()-1)->text);
insert(p, selection.get(selection.size()-1));
if(selection.size() == 1) return;
// Insert first line in front and split
split_line(p);
insert(p, selection.find(0)->text);
insert(p, selection.get(0));
if(selection.size() == 2) return;
// Insert lines
for(count_type i = selection.size()-2; i > 0; --i)
new_line(p.r, selection.find(i)->text);
new_line(p.r, selection.get(i));
}
// TODO hledání a nahrazování
// TODO undo
// Jump to end of line
void jump_line_end() {
count_type line_size = get_line(cur.r).size();
count_type line_size = get_line(file_offset+cur.r).size();
if(cur.c > line_size)
cur.c = line_size;
}
@ -195,7 +198,7 @@ void move_cursor(char ch) {
break;
case 'l':
if(cur.c < get_line(cur.r).size()) {
if(cur.c < get_line(file_offset+cur.r).size()) {
cur.c += 1;
move(cur);
}
@ -246,26 +249,26 @@ int main(int argc, char* argv[]) {
char ch = getch();
switch(mode) {
case NORMAL:
print_line(cur.r);
print_line(file_offset + cur.r);
switch(ch) {
case 'h': case 'j': case 'k': case 'l':
move_cursor(ch);
break;
case 'g':
jump(get_number());
print_file();
print_file(file_offset);
break;
case 'd':
remove(cur.r);
print_file(cur.r);
remove(file_offset + cur.r);
print_file(file_offset + cur.r);
break;
case 'x':
remove(cur);
print_line(cur.r);
remove(cur + file_offset);
print_line(file_offset + cur.r);
break;
case 'o':
new_line(cur.r);
print_file(cur.r);
new_line(file_offset + cur.r);
print_file(file_offset + cur.r);
break;
case 'q':
run = false;
@ -278,11 +281,11 @@ int main(int argc, char* argv[]) {
break;
case 'v':
mode = SELECT;
clp = cur;
clp = cur + file_offset;
break;
case 'p':
paste_selection();
print_file(cur.r);
paste_selection(cur + file_offset);
print_file(file_offset + cur.r);
break;
default:
break;
@ -292,39 +295,39 @@ int main(int argc, char* argv[]) {
switch(ch) {
case ESC:
mode = NORMAL;
print_line(cur.r);
print_line(file_offset + cur.r);
break;
case BS:
if(cur.c > 0) {
cur.c -= 1;
remove(cur);
remove(cur + file_offset);
}
print_line(cur.r);
print_line(file_offset + cur.r);
break;
case ENTER:
split_line(cur);
print_file(cur.r++);
split_line(cur + file_offset);
print_file(file_offset + cur.r++);
jump_line_end();
break;
default:
insert(cur, ch);
insert(cur + file_offset, ch);
cur.c += 1;
print_line(cur.r);
print_line(file_offset + cur.r);
break;
}
break;
case SELECT:
print_line(cur.r);
print_line(file_offset + cur.r);
switch(ch) {
case 'h': case 'j': case 'k': case 'l':
move_cursor(ch);
break;
case 'g':
jump(get_number());
print_file();
print_file(file_offset);
break;
case 'v':
copy_selection();
copy_selection(cur + file_offset);
mode = NORMAL;
break;
default:

3
treap.hpp
View file

@ -90,6 +90,9 @@ public:
// Don't find index k, but k-th line -> +1
return find(root, k+1);
}
string get(count_type k) {
return find(k)->text;
}
void clear() {
while(size() > 0) {
auto two = split(root, 1);