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godot/editor/find_in_files.cpp

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/*************************************************************************/
/* find_in_files.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#include "find_in_files.h"
#include "core/os/dir_access.h"
#include "core/os/os.h"
#include "editor_node.h"
#include "editor_scale.h"
#include "scene/gui/box_container.h"
#include "scene/gui/button.h"
#include "scene/gui/check_box.h"
#include "scene/gui/file_dialog.h"
#include "scene/gui/grid_container.h"
#include "scene/gui/label.h"
#include "scene/gui/line_edit.h"
#include "scene/gui/progress_bar.h"
#include "scene/gui/tree.h"
const char *FindInFiles::SIGNAL_RESULT_FOUND = "result_found";
const char *FindInFiles::SIGNAL_FINISHED = "finished";
// TODO Would be nice in Vector and PoolVectors
template <typename T>
inline void pop_back(T &container) {
container.resize(container.size() - 1);
}
// TODO Copied from TextEdit private, would be nice to extract it in a single place
static bool is_text_char(CharType c) {
return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') || (c >= '0' && c <= '9') || c == '_';
}
static bool find_next(const String &line, String pattern, int from, bool match_case, bool whole_words, int &out_begin, int &out_end) {
int end = from;
while (true) {
int begin = match_case ? line.find(pattern, end) : line.findn(pattern, end);
if (begin == -1)
return false;
end = begin + pattern.length();
out_begin = begin;
out_end = end;
if (whole_words) {
if (begin > 0 && is_text_char(line[begin - 1])) {
continue;
}
if (end < line.size() && is_text_char(line[end])) {
continue;
}
}
return true;
}
}
//--------------------------------------------------------------------------------
FindInFiles::FindInFiles() {
_searching = false;
_whole_words = true;
_match_case = true;
}
void FindInFiles::set_search_text(String p_pattern) {
_pattern = p_pattern;
}
void FindInFiles::set_whole_words(bool p_whole_word) {
_whole_words = p_whole_word;
}
void FindInFiles::set_match_case(bool p_match_case) {
_match_case = p_match_case;
}
void FindInFiles::set_folder(String folder) {
_root_dir = folder;
}
void FindInFiles::set_filter(const Set<String> &exts) {
_extension_filter = exts;
}
void FindInFiles::_notification(int p_notification) {
if (p_notification == NOTIFICATION_PROCESS) {
_process();
}
}
void FindInFiles::start() {
if (_pattern == "") {
print_verbose("Nothing to search, pattern is empty");
emit_signal(SIGNAL_FINISHED);
return;
}
if (_extension_filter.size() == 0) {
print_verbose("Nothing to search, filter matches no files");
emit_signal(SIGNAL_FINISHED);
return;
}
// Init search
_current_dir = "";
PoolStringArray init_folder;
init_folder.append(_root_dir);
_folders_stack.clear();
_folders_stack.push_back(init_folder);
_initial_files_count = 0;
_searching = true;
set_process(true);
}
void FindInFiles::stop() {
_searching = false;
_current_dir = "";
set_process(false);
}
void FindInFiles::_process() {
// This part can be moved to a thread if needed
OS &os = *OS::get_singleton();
float time_before = os.get_ticks_msec();
while (is_processing()) {
_iterate();
float elapsed = (os.get_ticks_msec() - time_before);
if (elapsed > 1000.0 / 120.0)
break;
}
}
void FindInFiles::_iterate() {
if (_folders_stack.size() != 0) {
// Scan folders first so we can build a list of files and have progress info later
PoolStringArray &folders_to_scan = _folders_stack.write[_folders_stack.size() - 1];
if (folders_to_scan.size() != 0) {
// Scan one folder below
String folder_name = folders_to_scan[folders_to_scan.size() - 1];
pop_back(folders_to_scan);
_current_dir = _current_dir.plus_file(folder_name);
PoolStringArray sub_dirs;
_scan_dir("res://" + _current_dir, sub_dirs);
_folders_stack.push_back(sub_dirs);
} else {
// Go back one level
pop_back(_folders_stack);
_current_dir = _current_dir.get_base_dir();
if (_folders_stack.size() == 0) {
// All folders scanned
_initial_files_count = _files_to_scan.size();
}
}
} else if (_files_to_scan.size() != 0) {
// Then scan files
String fpath = _files_to_scan[_files_to_scan.size() - 1];
pop_back(_files_to_scan);
_scan_file(fpath);
} else {
print_verbose("Search complete");
set_process(false);
_current_dir = "";
_searching = false;
emit_signal(SIGNAL_FINISHED);
}
}
float FindInFiles::get_progress() const {
if (_initial_files_count != 0) {
return static_cast<float>(_initial_files_count - _files_to_scan.size()) / static_cast<float>(_initial_files_count);
}
return 0;
}
void FindInFiles::_scan_dir(String path, PoolStringArray &out_folders) {
DirAccessRef dir = DirAccess::open(path);
if (!dir) {
print_verbose("Cannot open directory! " + path);
return;
}
dir->list_dir_begin();
for (int i = 0; i < 1000; ++i) {
String file = dir->get_next();
if (file == "")
break;
// If there is a .gdignore file in the directory, don't bother searching it
if (file == ".gdignore") {
break;
}
// Ignore special dirs (such as .git and .import)
if (file == "." || file == ".." || file.begins_with("."))
continue;
if (dir->current_is_hidden())
continue;
if (dir->current_is_dir())
out_folders.append(file);
else {
String file_ext = file.get_extension();
if (_extension_filter.has(file_ext)) {
_files_to_scan.push_back(path.plus_file(file));
}
}
}
}
void FindInFiles::_scan_file(String fpath) {
FileAccessRef f = FileAccess::open(fpath, FileAccess::READ);
if (!f) {
print_verbose(String("Cannot open file ") + fpath);
return;
}
int line_number = 0;
while (!f->eof_reached()) {
// line number starts at 1
++line_number;
int begin = 0;
int end = 0;
String line = f->get_line();
while (find_next(line, _pattern, end, _match_case, _whole_words, begin, end)) {
emit_signal(SIGNAL_RESULT_FOUND, fpath, line_number, begin, end, line);
}
}
f->close();
}
void FindInFiles::_bind_methods() {
ADD_SIGNAL(MethodInfo(SIGNAL_RESULT_FOUND,
PropertyInfo(Variant::STRING, "path"),
PropertyInfo(Variant::INT, "line_number"),
PropertyInfo(Variant::INT, "begin"),
PropertyInfo(Variant::INT, "end"),
PropertyInfo(Variant::STRING, "text")));
ADD_SIGNAL(MethodInfo(SIGNAL_FINISHED));
}
//-----------------------------------------------------------------------------
const char *FindInFilesDialog::SIGNAL_FIND_REQUESTED = "find_requested";
const char *FindInFilesDialog::SIGNAL_REPLACE_REQUESTED = "replace_requested";
FindInFilesDialog::FindInFilesDialog() {
set_custom_minimum_size(Size2(500 * EDSCALE, 0));
set_title(TTR("Find in Files"));
VBoxContainer *vbc = memnew(VBoxContainer);
vbc->set_anchor_and_margin(MARGIN_LEFT, ANCHOR_BEGIN, 8 * EDSCALE);
vbc->set_anchor_and_margin(MARGIN_TOP, ANCHOR_BEGIN, 8 * EDSCALE);
vbc->set_anchor_and_margin(MARGIN_RIGHT, ANCHOR_END, -8 * EDSCALE);
vbc->set_anchor_and_margin(MARGIN_BOTTOM, ANCHOR_END, -8 * EDSCALE);
add_child(vbc);
GridContainer *gc = memnew(GridContainer);
gc->set_columns(2);
vbc->add_child(gc);
Label *find_label = memnew(Label);
find_label->set_text(TTR("Find:"));
gc->add_child(find_label);
_search_text_line_edit = memnew(LineEdit);
_search_text_line_edit->set_h_size_flags(SIZE_EXPAND_FILL);
_search_text_line_edit->connect("text_changed", this, "_on_search_text_modified");
_search_text_line_edit->connect("text_entered", this, "_on_search_text_entered");
gc->add_child(_search_text_line_edit);
gc->add_child(memnew(Control)); // Space to maintain the grid aligned.
{
HBoxContainer *hbc = memnew(HBoxContainer);
_whole_words_checkbox = memnew(CheckBox);
_whole_words_checkbox->set_text(TTR("Whole Words"));
hbc->add_child(_whole_words_checkbox);
_match_case_checkbox = memnew(CheckBox);
_match_case_checkbox->set_text(TTR("Match Case"));
hbc->add_child(_match_case_checkbox);
gc->add_child(hbc);
}
Label *folder_label = memnew(Label);
folder_label->set_text(TTR("Folder:"));
gc->add_child(folder_label);
{
HBoxContainer *hbc = memnew(HBoxContainer);
Label *prefix_label = memnew(Label);
prefix_label->set_text("res://");
hbc->add_child(prefix_label);
_folder_line_edit = memnew(LineEdit);
_folder_line_edit->set_h_size_flags(SIZE_EXPAND_FILL);
hbc->add_child(_folder_line_edit);
Button *folder_button = memnew(Button);
folder_button->set_text("...");
folder_button->connect("pressed", this, "_on_folder_button_pressed");
hbc->add_child(folder_button);
_folder_dialog = memnew(FileDialog);
_folder_dialog->set_mode(FileDialog::MODE_OPEN_DIR);
_folder_dialog->connect("dir_selected", this, "_on_folder_selected");
add_child(_folder_dialog);
gc->add_child(hbc);
}
Label *filter_label = memnew(Label);
filter_label->set_text(TTR("Filters:"));
filter_label->set_tooltip(TTR("Include the files with the following extensions. Add or remove them in ProjectSettings."));
gc->add_child(filter_label);
_filters_container = memnew(HBoxContainer);
gc->add_child(_filters_container);
_find_button = add_button(TTR("Find..."), false, "find");
_find_button->set_disabled(true);
_replace_button = add_button(TTR("Replace..."), false, "replace");
_replace_button->set_disabled(true);
Button *cancel_button = get_ok();
cancel_button->set_text(TTR("Cancel"));
}
void FindInFilesDialog::set_search_text(String text) {
_search_text_line_edit->set_text(text);
_on_search_text_modified(text);
}
String FindInFilesDialog::get_search_text() const {
String text = _search_text_line_edit->get_text();
return text.strip_edges();
}
bool FindInFilesDialog::is_match_case() const {
return _match_case_checkbox->is_pressed();
}
bool FindInFilesDialog::is_whole_words() const {
return _whole_words_checkbox->is_pressed();
}
String FindInFilesDialog::get_folder() const {
String text = _folder_line_edit->get_text();
return text.strip_edges();
}
Set<String> FindInFilesDialog::get_filter() const {
// could check the _filters_preferences but it might not have been generated yet.
Set<String> filters;
for (int i = 0; i < _filters_container->get_child_count(); ++i) {
CheckBox *cb = (CheckBox *)_filters_container->get_child(i);
if (cb->is_pressed()) {
filters.insert(cb->get_text());
}
}
return filters;
}
void FindInFilesDialog::_notification(int p_what) {
if (p_what == NOTIFICATION_VISIBILITY_CHANGED) {
if (is_visible()) {
// Doesn't work more than once if not deferred...
_search_text_line_edit->call_deferred("grab_focus");
_search_text_line_edit->select_all();
// Extensions might have changed in the meantime, we clean them and instance them again.
for (int i = 0; i < _filters_container->get_child_count(); i++) {
_filters_container->get_child(i)->queue_delete();
}
Array exts = ProjectSettings::get_singleton()->get("editor/search_in_file_extensions");
for (int i = 0; i < exts.size(); ++i) {
CheckBox *cb = memnew(CheckBox);
cb->set_text(exts[i]);
if (!_filters_preferences.has(exts[i])) {
_filters_preferences[exts[i]] = true;
}
cb->set_pressed(_filters_preferences[exts[i]]);
_filters_container->add_child(cb);
}
}
}
}
void FindInFilesDialog::_on_folder_button_pressed() {
_folder_dialog->popup_centered_ratio();
}
void FindInFilesDialog::custom_action(const String &p_action) {
for (int i = 0; i < _filters_container->get_child_count(); ++i) {
CheckBox *cb = (CheckBox *)_filters_container->get_child(i);
_filters_preferences[cb->get_text()] = cb->is_pressed();
}
if (p_action == "find") {
emit_signal(SIGNAL_FIND_REQUESTED);
hide();
} else if (p_action == "replace") {
emit_signal(SIGNAL_REPLACE_REQUESTED);
hide();
}
}
void FindInFilesDialog::_on_search_text_modified(String text) {
ERR_FAIL_COND(!_find_button);
ERR_FAIL_COND(!_replace_button);
_find_button->set_disabled(get_search_text().empty());
_replace_button->set_disabled(get_search_text().empty());
}
void FindInFilesDialog::_on_search_text_entered(String text) {
// This allows to trigger a global search without leaving the keyboard
if (!_find_button->is_disabled())
custom_action("find");
}
void FindInFilesDialog::_on_folder_selected(String path) {
int i = path.find("://");
if (i != -1)
path = path.right(i + 3);
_folder_line_edit->set_text(path);
}
void FindInFilesDialog::_bind_methods() {
ClassDB::bind_method("_on_folder_button_pressed", &FindInFilesDialog::_on_folder_button_pressed);
ClassDB::bind_method("_on_folder_selected", &FindInFilesDialog::_on_folder_selected);
ClassDB::bind_method("_on_search_text_modified", &FindInFilesDialog::_on_search_text_modified);
ClassDB::bind_method("_on_search_text_entered", &FindInFilesDialog::_on_search_text_entered);
ADD_SIGNAL(MethodInfo(SIGNAL_FIND_REQUESTED));
ADD_SIGNAL(MethodInfo(SIGNAL_REPLACE_REQUESTED));
}
//-----------------------------------------------------------------------------
const char *FindInFilesPanel::SIGNAL_RESULT_SELECTED = "result_selected";
const char *FindInFilesPanel::SIGNAL_FILES_MODIFIED = "files_modified";
FindInFilesPanel::FindInFilesPanel() {
_finder = memnew(FindInFiles);
_finder->connect(FindInFiles::SIGNAL_RESULT_FOUND, this, "_on_result_found");
_finder->connect(FindInFiles::SIGNAL_FINISHED, this, "_on_finished");
add_child(_finder);
VBoxContainer *vbc = memnew(VBoxContainer);
vbc->set_anchor_and_margin(MARGIN_LEFT, ANCHOR_BEGIN, 0);
vbc->set_anchor_and_margin(MARGIN_TOP, ANCHOR_BEGIN, 0);
vbc->set_anchor_and_margin(MARGIN_RIGHT, ANCHOR_END, 0);
vbc->set_anchor_and_margin(MARGIN_BOTTOM, ANCHOR_END, 0);
add_child(vbc);
{
HBoxContainer *hbc = memnew(HBoxContainer);
Label *find_label = memnew(Label);
find_label->set_text(TTR("Find: "));
hbc->add_child(find_label);
_search_text_label = memnew(Label);
_search_text_label->add_font_override("font", EditorNode::get_singleton()->get_gui_base()->get_font("source", "EditorFonts"));
hbc->add_child(_search_text_label);
_progress_bar = memnew(ProgressBar);
_progress_bar->set_h_size_flags(SIZE_EXPAND_FILL);
_progress_bar->set_v_size_flags(SIZE_SHRINK_CENTER);
hbc->add_child(_progress_bar);
set_progress_visible(false);
_status_label = memnew(Label);
hbc->add_child(_status_label);
_refresh_button = memnew(Button);
_refresh_button->set_text(TTR("Refresh"));
_refresh_button->connect("pressed", this, "_on_refresh_button_clicked");
_refresh_button->hide();
hbc->add_child(_refresh_button);
_cancel_button = memnew(Button);
_cancel_button->set_text(TTR("Cancel"));
_cancel_button->connect("pressed", this, "_on_cancel_button_clicked");
_cancel_button->hide();
hbc->add_child(_cancel_button);
vbc->add_child(hbc);
}
_results_display = memnew(Tree);
_results_display->add_font_override("font", EditorNode::get_singleton()->get_gui_base()->get_font("source", "EditorFonts"));
_results_display->set_v_size_flags(SIZE_EXPAND_FILL);
_results_display->connect("item_selected", this, "_on_result_selected");
_results_display->connect("item_edited", this, "_on_item_edited");
_results_display->set_hide_root(true);
_results_display->set_select_mode(Tree::SELECT_ROW);
_results_display->set_allow_rmb_select(true);
_results_display->create_item(); // Root
vbc->add_child(_results_display);
_with_replace = false;
{
_replace_container = memnew(HBoxContainer);
Label *replace_label = memnew(Label);
replace_label->set_text(TTR("Replace: "));
_replace_container->add_child(replace_label);
_replace_line_edit = memnew(LineEdit);
_replace_line_edit->set_h_size_flags(SIZE_EXPAND_FILL);
_replace_line_edit->connect("text_changed", this, "_on_replace_text_changed");
_replace_container->add_child(_replace_line_edit);
_replace_all_button = memnew(Button);
_replace_all_button->set_text(TTR("Replace all (no undo)"));
_replace_all_button->connect("pressed", this, "_on_replace_all_clicked");
_replace_container->add_child(_replace_all_button);
_replace_container->hide();
vbc->add_child(_replace_container);
}
}
void FindInFilesPanel::set_with_replace(bool with_replace) {
_with_replace = with_replace;
_replace_container->set_visible(with_replace);
if (with_replace) {
// Results show checkboxes on their left so they can be opted out
_results_display->set_columns(2);
_results_display->set_column_expand(0, false);
_results_display->set_column_min_width(0, 48 * EDSCALE);
} else {
// Results are single-cell items
_results_display->set_column_expand(0, true);
_results_display->set_columns(1);
}
}
void FindInFilesPanel::clear() {
_file_items.clear();
_result_items.clear();
_results_display->clear();
_results_display->create_item(); // Root
}
void FindInFilesPanel::start_search() {
clear();
_status_label->set_text(TTR("Searching..."));
_search_text_label->set_text(_finder->get_search_text());
set_process(true);
set_progress_visible(true);
_finder->start();
update_replace_buttons();
_refresh_button->hide();
_cancel_button->show();
}
void FindInFilesPanel::stop_search() {
_finder->stop();
_status_label->set_text("");
update_replace_buttons();
set_progress_visible(false);
_refresh_button->show();
_cancel_button->hide();
}
void FindInFilesPanel::_notification(int p_what) {
if (p_what == NOTIFICATION_PROCESS) {
_progress_bar->set_as_ratio(_finder->get_progress());
} else if (p_what == NOTIFICATION_THEME_CHANGED) {
_search_text_label->add_font_override("font", get_font("source", "EditorFonts"));
_results_display->add_font_override("font", get_font("source", "EditorFonts"));
}
}
void FindInFilesPanel::_on_result_found(String fpath, int line_number, int begin, int end, String text) {
TreeItem *file_item;
Map<String, TreeItem *>::Element *E = _file_items.find(fpath);
if (E == NULL) {
file_item = _results_display->create_item();
file_item->set_text(0, fpath);
file_item->set_metadata(0, fpath);
// The width of this column is restrained to checkboxes, but that doesn't make sense for the parent items,
// so we override their width so they can expand to full width
file_item->set_expand_right(0, true);
_file_items[fpath] = file_item;
} else {
file_item = E->value();
}
int text_index = _with_replace ? 1 : 0;
TreeItem *item = _results_display->create_item(file_item);
// Do this first because it resets properties of the cell...
item->set_cell_mode(text_index, TreeItem::CELL_MODE_CUSTOM);
// Trim result item line
int old_text_size = text.size();
text = text.strip_edges(true, false);
int chars_removed = old_text_size - text.size();
String start = vformat("%3s: ", line_number);
item->set_text(text_index, start + text);
item->set_custom_draw(text_index, this, "_draw_result_text");
Result r;
r.line_number = line_number;
r.begin = begin;
r.end = end;
r.begin_trimmed = begin - chars_removed + start.size() - 1;
_result_items[item] = r;
if (_with_replace) {
item->set_cell_mode(0, TreeItem::CELL_MODE_CHECK);
item->set_checked(0, true);
item->set_editable(0, true);
}
}
void FindInFilesPanel::draw_result_text(Object *item_obj, Rect2 rect) {
TreeItem *item = Object::cast_to<TreeItem>(item_obj);
if (!item)
return;
Map<TreeItem *, Result>::Element *E = _result_items.find(item);
if (!E)
return;
Result r = E->value();
String item_text = item->get_text(_with_replace ? 1 : 0);
Ref<Font> font = _results_display->get_font("font");
Rect2 match_rect = rect;
match_rect.position.x += font->get_string_size(item_text.left(r.begin_trimmed)).x;
match_rect.size.x = font->get_string_size(_search_text_label->get_text()).x;
match_rect.position.y += 1 * EDSCALE;
match_rect.size.y -= 2 * EDSCALE;
_results_display->draw_rect(match_rect, Color(0, 0, 0, 0.5));
// Text is drawn by Tree already
}
void FindInFilesPanel::_on_item_edited() {
TreeItem *item = _results_display->get_selected();
if (item->is_checked(0)) {
item->set_custom_color(1, _results_display->get_color("font_color"));
} else {
// Grey out
Color color = _results_display->get_color("font_color");
color.a /= 2.0;
item->set_custom_color(1, color);
}
}
void FindInFilesPanel::_on_finished() {
String results_text;
int result_count = _result_items.size();
int file_count = _file_items.size();
if (result_count == 1 && file_count == 1) {
results_text = vformat(TTR("%d match in %d file."), result_count, file_count);
} else if (result_count != 1 && file_count == 1) {
results_text = vformat(TTR("%d matches in %d file."), result_count, file_count);
} else {
results_text = vformat(TTR("%d matches in %d files."), result_count, file_count);
}
_status_label->set_text(results_text);
update_replace_buttons();
set_progress_visible(false);
_refresh_button->show();
_cancel_button->hide();
}
void FindInFilesPanel::_on_refresh_button_clicked() {
start_search();
}
void FindInFilesPanel::_on_cancel_button_clicked() {
stop_search();
}
void FindInFilesPanel::_on_result_selected() {
TreeItem *item = _results_display->get_selected();
Map<TreeItem *, Result>::Element *E = _result_items.find(item);
if (E == NULL)
return;
Result r = E->value();
TreeItem *file_item = item->get_parent();
String fpath = file_item->get_metadata(0);
emit_signal(SIGNAL_RESULT_SELECTED, fpath, r.line_number, r.begin, r.end);
}
void FindInFilesPanel::_on_replace_text_changed(String text) {
update_replace_buttons();
}
void FindInFilesPanel::_on_replace_all_clicked() {
String replace_text = get_replace_text();
PoolStringArray modified_files;
for (Map<String, TreeItem *>::Element *E = _file_items.front(); E; E = E->next()) {
TreeItem *file_item = E->value();
String fpath = file_item->get_metadata(0);
Vector<Result> locations;
for (TreeItem *item = file_item->get_children(); item; item = item->get_next()) {
if (!item->is_checked(0))
continue;
Map<TreeItem *, Result>::Element *F = _result_items.find(item);
ERR_FAIL_COND(F == NULL);
locations.push_back(F->value());
}
if (locations.size() != 0) {
// Results are sorted by file, so we can batch replaces
apply_replaces_in_file(fpath, locations, replace_text);
modified_files.append(fpath);
}
}
// Hide replace bar so we can't trigger the action twice without doing a new search
_replace_container->hide();
emit_signal(SIGNAL_FILES_MODIFIED, modified_files);
}
// Same as get_line, but preserves line ending characters
class ConservativeGetLine {
public:
String get_line(FileAccess *f) {
_line_buffer.clear();
CharType c = f->get_8();
while (!f->eof_reached()) {
if (c == '\n') {
_line_buffer.push_back(c);
_line_buffer.push_back(0);
return String::utf8(_line_buffer.ptr());
} else if (c == '\0') {
_line_buffer.push_back(c);
return String::utf8(_line_buffer.ptr());
} else if (c != '\r') {
_line_buffer.push_back(c);
}
c = f->get_8();
}
_line_buffer.push_back(0);
return String::utf8(_line_buffer.ptr());
}
private:
Vector<char> _line_buffer;
};
void FindInFilesPanel::apply_replaces_in_file(String fpath, const Vector<Result> &locations, String new_text) {
// If the file is already open, I assume the editor will reload it.
// If there are unsaved changes, the user will be asked on focus,
// however that means either losing changes or losing replaces.
FileAccessRef f = FileAccess::open(fpath, FileAccess::READ);
ERR_FAIL_COND_MSG(!f, "Cannot open file from path '" + fpath + "'.");
String buffer;
int current_line = 1;
ConservativeGetLine conservative;
String line = conservative.get_line(f);
String search_text = _finder->get_search_text();
int offset = 0;
for (int i = 0; i < locations.size(); ++i) {
int repl_line_number = locations[i].line_number;
while (current_line < repl_line_number) {
buffer += line;
line = conservative.get_line(f);
++current_line;
offset = 0;
}
int repl_begin = locations[i].begin + offset;
int repl_end = locations[i].end + offset;
int _;
if (!find_next(line, search_text, repl_begin, _finder->is_match_case(), _finder->is_whole_words(), _, _)) {
// Make sure the replace is still valid in case the file was tampered with.
print_verbose(String("Occurrence no longer matches, replace will be ignored in {0}: line {1}, col {2}").format(varray(fpath, repl_line_number, repl_begin)));
continue;
}
line = line.left(repl_begin) + new_text + line.right(repl_end);
// keep an offset in case there are successive replaces in the same line
offset += new_text.length() - (repl_end - repl_begin);
}
buffer += line;
while (!f->eof_reached()) {
buffer += conservative.get_line(f);
}
// Now the modified contents are in the buffer, rewrite the file with our changes
Error err = f->reopen(fpath, FileAccess::WRITE);
ERR_FAIL_COND_MSG(err != OK, "Cannot create file in path '" + fpath + "'.");
f->store_string(buffer);
f->close();
}
String FindInFilesPanel::get_replace_text() {
return _replace_line_edit->get_text().strip_edges();
}
void FindInFilesPanel::update_replace_buttons() {
bool disabled = _finder->is_searching();
_replace_all_button->set_disabled(disabled);
}
void FindInFilesPanel::set_progress_visible(bool visible) {
_progress_bar->set_self_modulate(Color(1, 1, 1, visible ? 1 : 0));
}
void FindInFilesPanel::_bind_methods() {
ClassDB::bind_method("_on_result_found", &FindInFilesPanel::_on_result_found);
ClassDB::bind_method("_on_item_edited", &FindInFilesPanel::_on_item_edited);
ClassDB::bind_method("_on_finished", &FindInFilesPanel::_on_finished);
ClassDB::bind_method("_on_refresh_button_clicked", &FindInFilesPanel::_on_refresh_button_clicked);
ClassDB::bind_method("_on_cancel_button_clicked", &FindInFilesPanel::_on_cancel_button_clicked);
ClassDB::bind_method("_on_result_selected", &FindInFilesPanel::_on_result_selected);
ClassDB::bind_method("_on_replace_text_changed", &FindInFilesPanel::_on_replace_text_changed);
ClassDB::bind_method("_on_replace_all_clicked", &FindInFilesPanel::_on_replace_all_clicked);
ClassDB::bind_method("_draw_result_text", &FindInFilesPanel::draw_result_text);
ADD_SIGNAL(MethodInfo(SIGNAL_RESULT_SELECTED,
PropertyInfo(Variant::STRING, "path"),
PropertyInfo(Variant::INT, "line_number"),
PropertyInfo(Variant::INT, "begin"),
PropertyInfo(Variant::INT, "end")));
ADD_SIGNAL(MethodInfo(SIGNAL_FILES_MODIFIED, PropertyInfo(Variant::STRING, "paths")));
}
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