Files
crib/src/editor/edit.cc
T

283 lines
10 KiB
C++

#include "editor/editor.h"
#include "lsp/lsp.h"
#include "utils/utils.h"
void edit_erase(Editor *editor, Coord pos, int64_t len) {
if (len == 0)
return;
if (len < 0) {
std::shared_lock lock_1(editor->knot_mtx);
uint32_t cursor_original =
line_to_byte(editor->root, editor->cursor.row, nullptr) +
editor->cursor.col;
uint32_t byte_pos = line_to_byte(editor->root, pos.row, nullptr) + pos.col;
Coord point = move_left(editor, pos, -len);
json lsp_range;
bool do_lsp = (editor->lsp != nullptr);
if (do_lsp) {
LineIterator *it = begin_l_iter(editor->root, point.row);
uint32_t len;
char *line = next_line(it, &len);
int utf16_start = 0;
if (line)
utf16_start = utf8_offset_to_utf16(line, len, point.col);
free(it->buffer);
free(it);
it = begin_l_iter(editor->root, pos.row);
line = next_line(it, &len);
int utf16_end = 0;
if (line)
utf16_end = utf8_offset_to_utf16(line, len, pos.col);
free(it->buffer);
free(it);
lsp_range = {{"start", {{"line", point.row}, {"character", utf16_start}}},
{"end", {{"line", pos.row}, {"character", utf16_end}}}};
}
uint32_t start = line_to_byte(editor->root, point.row, nullptr) + point.col;
if (cursor_original > start && cursor_original <= byte_pos) {
editor->cursor = point;
editor->cursor_preffered = UINT32_MAX;
} else if (cursor_original > byte_pos) {
uint32_t cursor_new = cursor_original - (byte_pos - start);
uint32_t new_col;
uint32_t new_row = byte_to_line(editor->root, cursor_new, &new_col);
editor->cursor = {new_row, new_col};
editor->cursor_preffered = UINT32_MAX;
}
lock_1.unlock();
uint32_t start_row = point.row;
uint32_t end_row = pos.row;
apply_hook_deletion(editor, start_row + 1, end_row);
std::unique_lock lock_2(editor->knot_mtx);
editor->root = erase(editor->root, start, byte_pos - start);
lock_2.unlock();
if (editor->parser)
editor->parser->edit(start_row, end_row - start_row, 0);
if (do_lsp) {
if (editor->lsp->incremental_sync) {
json message = {
{"jsonrpc", "2.0"},
{"method", "textDocument/didChange"},
{"params",
{{"textDocument",
{{"uri", editor->uri}, {"version", ++editor->lsp_version}}},
{"contentChanges",
json::array({{{"range", lsp_range}, {"text", ""}}})}}}};
lsp_send(editor->lsp, message, nullptr);
} else {
char *buf = read(editor->root, 0, editor->root->char_count);
std::string text(buf);
free(buf);
json message = {
{"jsonrpc", "2.0"},
{"method", "textDocument/didChange"},
{"params",
{{"textDocument",
{{"uri", editor->uri}, {"version", ++editor->lsp_version}}},
{"contentChanges", json::array({{{"text", text}}})}}}};
lsp_send(editor->lsp, message, nullptr);
}
}
} else {
std::shared_lock lock_1(editor->knot_mtx);
uint32_t cursor_original =
line_to_byte(editor->root, editor->cursor.row, nullptr) +
editor->cursor.col;
uint32_t byte_pos = line_to_byte(editor->root, pos.row, nullptr) + pos.col;
Coord point = move_right(editor, pos, len);
json lsp_range;
bool do_lsp = (editor->lsp != nullptr);
if (do_lsp) {
LineIterator *it = begin_l_iter(editor->root, pos.row);
uint32_t line_len;
char *line = next_line(it, &line_len);
int utf16_start = 0;
if (line)
utf16_start = utf8_offset_to_utf16(line, line_len, pos.col);
free(it->buffer);
free(it);
it = begin_l_iter(editor->root, point.row);
line = next_line(it, &line_len);
int utf16_end = 0;
if (line)
utf16_end = utf8_offset_to_utf16(line, line_len, point.col);
free(it->buffer);
free(it);
lsp_range = {{"start", {{"line", pos.row}, {"character", utf16_start}}},
{"end", {{"line", point.row}, {"character", utf16_end}}}};
}
uint32_t end = line_to_byte(editor->root, point.row, nullptr) + point.col;
if (cursor_original > byte_pos && cursor_original <= end) {
editor->cursor = pos;
editor->cursor_preffered = UINT32_MAX;
} else if (cursor_original > end) {
uint32_t cursor_new = cursor_original - (end - byte_pos);
uint32_t new_col;
uint32_t new_row = byte_to_line(editor->root, cursor_new, &new_col);
editor->cursor = {new_row, new_col};
editor->cursor_preffered = UINT32_MAX;
}
lock_1.unlock();
uint32_t start_row = pos.row;
uint32_t end_row = point.row;
apply_hook_deletion(editor, start_row + 1, end_row);
std::unique_lock lock_2(editor->knot_mtx);
editor->root = erase(editor->root, byte_pos, end - byte_pos);
lock_2.unlock();
if (editor->parser)
editor->parser->edit(start_row, end_row - start_row, 0);
if (do_lsp) {
if (editor->lsp->incremental_sync) {
json message = {
{"jsonrpc", "2.0"},
{"method", "textDocument/didChange"},
{"params",
{{"textDocument",
{{"uri", editor->uri}, {"version", ++editor->lsp_version}}},
{"contentChanges",
json::array({{{"range", lsp_range}, {"text", ""}}})}}}};
lsp_send(editor->lsp, message, nullptr);
} else {
char *buf = read(editor->root, 0, editor->root->char_count);
std::string text(buf);
free(buf);
json message = {
{"jsonrpc", "2.0"},
{"method", "textDocument/didChange"},
{"params",
{{"textDocument",
{{"uri", editor->uri}, {"version", ++editor->lsp_version}}},
{"contentChanges", json::array({{{"text", text}}})}}}};
lsp_send(editor->lsp, message, nullptr);
}
}
}
}
void edit_insert(Editor *editor, Coord pos, char *data, uint32_t len) {
std::shared_lock lock_1(editor->knot_mtx);
uint32_t cursor_original =
line_to_byte(editor->root, editor->cursor.row, nullptr) +
editor->cursor.col;
uint32_t byte_pos = line_to_byte(editor->root, pos.row, nullptr) + pos.col;
if (cursor_original > byte_pos) {
uint32_t cursor_new = cursor_original + len;
uint32_t new_col;
uint32_t new_row = byte_to_line(editor->root, cursor_new, &new_col);
editor->cursor = {new_row, new_col};
}
LineIterator *it = begin_l_iter(editor->root, pos.row);
uint32_t line_len;
char *line = next_line(it, &line_len);
int utf16_col = 0;
if (line)
utf16_col = utf8_offset_to_utf16(line, line_len, pos.col);
free(it->buffer);
free(it);
lock_1.unlock();
std::unique_lock lock_2(editor->knot_mtx);
editor->root = insert(editor->root, byte_pos, data, len);
uint32_t rows = 0;
for (uint32_t i = 0; i < len; i++)
if (data[i] == '\n')
rows++;
apply_hook_insertion(editor, pos.row, rows);
lock_2.unlock();
if (editor->parser)
editor->parser->edit(pos.row, 0, rows);
if (editor->lsp) {
if (editor->lsp->incremental_sync) {
json message = {
{"jsonrpc", "2.0"},
{"method", "textDocument/didChange"},
{"params",
{{"textDocument",
{{"uri", editor->uri}, {"version", ++editor->lsp_version}}},
{"contentChanges",
json::array(
{{{"range",
{{"start", {{"line", pos.row}, {"character", utf16_col}}},
{"end", {{"line", pos.row}, {"character", utf16_col}}}}},
{"text", std::string(data, len)}}})}}}};
lsp_send(editor->lsp, message, nullptr);
} else {
char *buf = read(editor->root, 0, editor->root->char_count);
std::string text(buf);
free(buf);
json message = {
{"jsonrpc", "2.0"},
{"method", "textDocument/didChange"},
{"params",
{{"textDocument",
{{"uri", editor->uri}, {"version", ++editor->lsp_version}}},
{"contentChanges", json::array({{{"text", text}}})}}}};
lsp_send(editor->lsp, message, nullptr);
}
}
}
void edit_replace(Editor *editor, Coord start, Coord end, const char *text,
uint32_t len) {
std::unique_lock lock(editor->knot_mtx);
uint32_t start_byte =
line_to_byte(editor->root, start.row, nullptr) + start.col;
uint32_t end_byte = line_to_byte(editor->root, end.row, nullptr) + end.col;
LineIterator *it = begin_l_iter(editor->root, start.row);
uint32_t line_len;
char *line = next_line(it, &line_len);
int utf16_start = 0;
if (line)
utf16_start = utf8_offset_to_utf16(line, line_len, start.col);
free(it->buffer);
free(it);
it = begin_l_iter(editor->root, end.row);
line = next_line(it, &line_len);
int utf16_end = 0;
if (line)
utf16_end = utf8_offset_to_utf16(line, line_len, end.col);
free(it->buffer);
free(it);
if (start_byte != end_byte)
editor->root = erase(editor->root, start_byte, end_byte - start_byte);
if (len > 0)
editor->root = insert(editor->root, start_byte, (char *)text, len);
uint32_t rows = 0;
for (uint32_t i = 0; i < len; i++)
if (text[i] == '\n')
rows++;
if (rows > 0)
rows--;
if (editor->parser)
editor->parser->edit(start.row, end.row - start.row, rows);
if (editor->lsp) {
if (editor->lsp->incremental_sync) {
json message = {
{"jsonrpc", "2.0"},
{"method", "textDocument/didChange"},
{"params",
{{"textDocument",
{{"uri", editor->uri}, {"version", ++editor->lsp_version}}},
{"contentChanges",
json::array(
{{{"range",
{{"start",
{{"line", start.row}, {"character", utf16_start}}},
{"end", {{"line", end.row}, {"character", utf16_end}}}}},
{"text", std::string(text, len)}}})}}}};
lsp_send(editor->lsp, message, nullptr);
} else {
char *buf = read(editor->root, 0, editor->root->char_count);
std::string full_text(buf);
free(buf);
json message = {
{"jsonrpc", "2.0"},
{"method", "textDocument/didChange"},
{"params",
{{"textDocument",
{{"uri", editor->uri}, {"version", ++editor->lsp_version}}},
{"contentChanges", json::array({{{"text", full_text}}})}}}};
lsp_send(editor->lsp, message, nullptr);
}
}
}