231 lines
6.4 KiB
C++
231 lines
6.4 KiB
C++
/*************************************************************************/
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/* config_file.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* http://www.godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "config_file.h"
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#include "os/keyboard.h"
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#include "os/file_access.h"
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#include "variant_parser.h"
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PoolStringArray ConfigFile::_get_sections() const {
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List<String> s;
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get_sections(&s);
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PoolStringArray arr;
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arr.resize(s.size());
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int idx=0;
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for(const List<String>::Element *E=s.front();E;E=E->next()) {
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arr.set(idx++,E->get());
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}
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return arr;
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}
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PoolStringArray ConfigFile::_get_section_keys(const String& p_section) const{
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List<String> s;
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get_section_keys(p_section,&s);
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PoolStringArray arr;
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arr.resize(s.size());
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int idx=0;
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for(const List<String>::Element *E=s.front();E;E=E->next()) {
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arr.set(idx++,E->get());
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}
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return arr;
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}
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void ConfigFile::set_value(const String& p_section, const String& p_key, const Variant& p_value){
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if (p_value.get_type()==Variant::NIL) {
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//erase
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if (!values.has(p_section))
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return; // ?
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values[p_section].erase(p_key);
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if (values[p_section].empty()) {
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values.erase(p_section);
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}
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} else {
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if (!values.has(p_section)) {
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values[p_section]=Map<String, Variant>();
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}
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values[p_section][p_key]=p_value;
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}
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}
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Variant ConfigFile::get_value(const String& p_section, const String& p_key, Variant p_default) const {
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ERR_FAIL_COND_V(!values.has(p_section),p_default);
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ERR_FAIL_COND_V(!values[p_section].has(p_key),p_default);
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return values[p_section][p_key];
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}
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bool ConfigFile::has_section(const String& p_section) const {
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return values.has(p_section);
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}
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bool ConfigFile::has_section_key(const String& p_section,const String& p_key) const {
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if (!values.has(p_section))
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return false;
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return values[p_section].has(p_key);
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}
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void ConfigFile::get_sections(List<String> *r_sections) const{
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for(const Map< String, Map<String, Variant> >::Element *E=values.front();E;E=E->next()) {
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r_sections->push_back(E->key());
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}
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}
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void ConfigFile::get_section_keys(const String& p_section,List<String> *r_keys) const{
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ERR_FAIL_COND(!values.has(p_section));
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for(const Map<String, Variant> ::Element *E=values[p_section].front();E;E=E->next()) {
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r_keys->push_back(E->key());
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}
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}
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void ConfigFile::erase_section(const String& p_section) {
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values.erase(p_section);
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}
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Error ConfigFile::save(const String& p_path){
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Error err;
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FileAccess *file = FileAccess::open(p_path,FileAccess::WRITE,&err);
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if (err) {
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if (file)
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memdelete(file);
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return err;
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}
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for(Map< String, Map<String, Variant> >::Element *E=values.front();E;E=E->next()) {
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if (E!=values.front())
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file->store_string("\n");
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file->store_string("["+E->key()+"]\n\n");
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for(Map<String, Variant>::Element *F=E->get().front();F;F=F->next()) {
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String vstr;
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VariantWriter::write_to_string(F->get(),vstr);
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file->store_string(F->key()+"="+vstr+"\n");
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}
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}
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memdelete(file);
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return OK;
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}
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Error ConfigFile::load(const String& p_path) {
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Error err;
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FileAccess *f= FileAccess::open(p_path,FileAccess::READ,&err);
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if (!f)
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return ERR_CANT_OPEN;
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VariantParser::StreamFile stream;
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stream.f=f;
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String assign;
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Variant value;
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VariantParser::Tag next_tag;
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int lines=0;
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String error_text;
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String section;
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while(true) {
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assign=Variant();
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next_tag.fields.clear();
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next_tag.name=String();
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err = VariantParser::parse_tag_assign_eof(&stream,lines,error_text,next_tag,assign,value,NULL,true);
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if (err==ERR_FILE_EOF) {
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memdelete(f);
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return OK;
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}
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else if (err!=OK) {
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ERR_PRINTS("ConfgFile::load - "+p_path+":"+itos(lines)+" error: "+error_text);
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memdelete(f);
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return err;
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}
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if (assign!=String()) {
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set_value(section,assign,value);
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} else if (next_tag.name!=String()) {
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section=next_tag.name;
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}
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}
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memdelete(f);
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return OK;
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}
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void ConfigFile::_bind_methods(){
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ClassDB::bind_method(_MD("set_value","section","key","value"),&ConfigFile::set_value);
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ClassDB::bind_method(_MD("get_value:Variant","section","key","default"),&ConfigFile::get_value,DEFVAL(Variant()));
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ClassDB::bind_method(_MD("has_section","section"),&ConfigFile::has_section);
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ClassDB::bind_method(_MD("has_section_key","section","key"),&ConfigFile::has_section_key);
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ClassDB::bind_method(_MD("get_sections"),&ConfigFile::_get_sections);
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ClassDB::bind_method(_MD("get_section_keys","section"),&ConfigFile::_get_section_keys);
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ClassDB::bind_method(_MD("erase_section","section"),&ConfigFile::erase_section);
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ClassDB::bind_method(_MD("load:Error","path"),&ConfigFile::load);
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ClassDB::bind_method(_MD("save:Error","path"),&ConfigFile::save);
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}
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ConfigFile::ConfigFile()
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{
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}
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