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491594ef0f
It turns out some areas are independently moving / reading filepointers outside of the VariantParser, which can cause the readahead caching to get out of sync. This PR makes the VariantParser readahead to be optional to allow for these use cases.
2020 lines
51 KiB
C++
2020 lines
51 KiB
C++
/*************************************************************************/
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/* variant_parser.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
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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 "variant_parser.h"
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#include "core/input/input_event.h"
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#include "core/io/resource_loader.h"
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#include "core/os/keyboard.h"
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#include "core/string/string_buffer.h"
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char32_t VariantParser::Stream::get_char() {
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// is within buffer?
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if (readahead_pointer < readahead_filled) {
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return readahead_buffer[readahead_pointer++];
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}
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// attempt to readahead
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readahead_filled = _read_buffer(readahead_buffer, readahead_enabled ? READAHEAD_SIZE : 1);
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if (readahead_filled) {
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readahead_pointer = 0;
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} else {
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// EOF
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readahead_pointer = 1;
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eof = true;
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return 0;
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}
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return get_char();
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}
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bool VariantParser::Stream::is_eof() const {
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if (readahead_enabled) {
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return eof;
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}
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return _is_eof();
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}
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bool VariantParser::StreamFile::is_utf8() const {
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return true;
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}
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bool VariantParser::StreamFile::_is_eof() const {
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return f->eof_reached();
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}
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uint32_t VariantParser::StreamFile::_read_buffer(char32_t *p_buffer, uint32_t p_num_chars) {
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// The buffer is assumed to include at least one character (for null terminator)
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ERR_FAIL_COND_V(!p_num_chars, 0);
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uint8_t *temp = (uint8_t *)alloca(p_num_chars);
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uint64_t num_read = f->get_buffer(temp, p_num_chars);
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ERR_FAIL_COND_V(num_read == UINT64_MAX, 0);
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// translate to wchar
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for (uint32_t n = 0; n < num_read; n++) {
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p_buffer[n] = temp[n];
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}
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// could be less than p_num_chars, or zero
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return num_read;
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}
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bool VariantParser::StreamString::is_utf8() const {
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return false;
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}
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bool VariantParser::StreamString::_is_eof() const {
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return pos > s.length();
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}
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uint32_t VariantParser::StreamString::_read_buffer(char32_t *p_buffer, uint32_t p_num_chars) {
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// The buffer is assumed to include at least one character (for null terminator)
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ERR_FAIL_COND_V(!p_num_chars, 0);
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int available = MAX(s.length() - pos, 0);
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if (available >= (int)p_num_chars) {
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const char32_t *src = s.ptr();
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src += pos;
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memcpy(p_buffer, src, p_num_chars * sizeof(char32_t));
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pos += p_num_chars;
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return p_num_chars;
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}
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// going to reach EOF
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if (available) {
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const char32_t *src = s.ptr();
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src += pos;
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memcpy(p_buffer, src, available * sizeof(char32_t));
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pos += available;
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}
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// add a zero
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p_buffer[available] = 0;
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return available;
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}
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/////////////////////////////////////////////////////////////////////////////////////////////////
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const char *VariantParser::tk_name[TK_MAX] = {
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"'{'",
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"'}'",
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"'['",
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"']'",
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"'('",
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"')'",
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"identifier",
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"string",
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"string_name",
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"number",
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"color",
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"':'",
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"','",
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"'.'",
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"'='",
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"EOF",
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"ERROR"
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};
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static double stor_fix(const String &p_str) {
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if (p_str == "inf") {
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return INFINITY;
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} else if (p_str == "inf_neg") {
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return -INFINITY;
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} else if (p_str == "nan") {
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return NAN;
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}
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return -1;
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}
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Error VariantParser::get_token(Stream *p_stream, Token &r_token, int &line, String &r_err_str) {
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bool string_name = false;
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while (true) {
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char32_t cchar;
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if (p_stream->saved) {
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cchar = p_stream->saved;
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p_stream->saved = 0;
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} else {
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cchar = p_stream->get_char();
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if (p_stream->is_eof()) {
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r_token.type = TK_EOF;
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return OK;
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}
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}
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switch (cchar) {
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case '\n': {
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line++;
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break;
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}
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case 0: {
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r_token.type = TK_EOF;
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return OK;
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} break;
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case '{': {
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r_token.type = TK_CURLY_BRACKET_OPEN;
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return OK;
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}
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case '}': {
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r_token.type = TK_CURLY_BRACKET_CLOSE;
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return OK;
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}
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case '[': {
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r_token.type = TK_BRACKET_OPEN;
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return OK;
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}
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case ']': {
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r_token.type = TK_BRACKET_CLOSE;
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return OK;
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}
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case '(': {
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r_token.type = TK_PARENTHESIS_OPEN;
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return OK;
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}
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case ')': {
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r_token.type = TK_PARENTHESIS_CLOSE;
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return OK;
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}
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case ':': {
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r_token.type = TK_COLON;
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return OK;
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}
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case ';': {
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while (true) {
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char32_t ch = p_stream->get_char();
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if (p_stream->is_eof()) {
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r_token.type = TK_EOF;
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return OK;
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}
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if (ch == '\n') {
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line++;
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break;
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}
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}
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break;
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}
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case ',': {
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r_token.type = TK_COMMA;
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return OK;
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}
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case '.': {
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r_token.type = TK_PERIOD;
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return OK;
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}
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case '=': {
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r_token.type = TK_EQUAL;
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return OK;
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}
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case '#': {
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StringBuffer<> color_str;
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color_str += '#';
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while (true) {
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char32_t ch = p_stream->get_char();
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if (p_stream->is_eof()) {
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r_token.type = TK_EOF;
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return OK;
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} else if (is_hex_digit(ch)) {
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color_str += ch;
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} else {
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p_stream->saved = ch;
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break;
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}
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}
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r_token.value = Color::html(color_str.as_string());
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r_token.type = TK_COLOR;
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return OK;
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}
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#ifndef DISABLE_DEPRECATED
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case '@': // Compatibility with 3.x StringNames.
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#endif
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case '&': { // StringName.
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cchar = p_stream->get_char();
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if (cchar != '"') {
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r_err_str = "Expected '\"' after '&'";
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r_token.type = TK_ERROR;
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return ERR_PARSE_ERROR;
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}
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string_name = true;
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[[fallthrough]];
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}
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case '"': {
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String str;
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char32_t prev = 0;
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while (true) {
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char32_t ch = p_stream->get_char();
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if (ch == 0) {
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r_err_str = "Unterminated String";
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r_token.type = TK_ERROR;
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return ERR_PARSE_ERROR;
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} else if (ch == '"') {
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break;
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} else if (ch == '\\') {
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//escaped characters...
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char32_t next = p_stream->get_char();
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if (next == 0) {
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r_err_str = "Unterminated String";
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r_token.type = TK_ERROR;
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return ERR_PARSE_ERROR;
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}
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char32_t res = 0;
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switch (next) {
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case 'b':
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res = 8;
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break;
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case 't':
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res = 9;
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break;
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case 'n':
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res = 10;
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break;
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case 'f':
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res = 12;
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break;
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case 'r':
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res = 13;
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break;
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case 'U':
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case 'u': {
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// Hexadecimal sequence.
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int hex_len = (next == 'U') ? 6 : 4;
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for (int j = 0; j < hex_len; j++) {
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char32_t c = p_stream->get_char();
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if (c == 0) {
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r_err_str = "Unterminated String";
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r_token.type = TK_ERROR;
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return ERR_PARSE_ERROR;
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}
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if (!is_hex_digit(c)) {
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r_err_str = "Malformed hex constant in string";
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r_token.type = TK_ERROR;
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return ERR_PARSE_ERROR;
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}
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char32_t v;
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if (is_digit(c)) {
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v = c - '0';
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} else if (c >= 'a' && c <= 'f') {
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v = c - 'a';
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v += 10;
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} else if (c >= 'A' && c <= 'F') {
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v = c - 'A';
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v += 10;
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} else {
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ERR_PRINT("Bug parsing hex constant.");
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v = 0;
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}
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res <<= 4;
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res |= v;
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}
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} break;
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default: {
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res = next;
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} break;
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}
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// Parse UTF-16 pair.
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if ((res & 0xfffffc00) == 0xd800) {
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if (prev == 0) {
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prev = res;
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continue;
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} else {
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r_err_str = "Invalid UTF-16 sequence in string, unpaired lead surrogate";
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r_token.type = TK_ERROR;
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return ERR_PARSE_ERROR;
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}
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} else if ((res & 0xfffffc00) == 0xdc00) {
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if (prev == 0) {
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r_err_str = "Invalid UTF-16 sequence in string, unpaired trail surrogate";
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r_token.type = TK_ERROR;
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return ERR_PARSE_ERROR;
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} else {
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res = (prev << 10UL) + res - ((0xd800 << 10UL) + 0xdc00 - 0x10000);
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prev = 0;
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}
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}
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if (prev != 0) {
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r_err_str = "Invalid UTF-16 sequence in string, unpaired lead surrogate";
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r_token.type = TK_ERROR;
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return ERR_PARSE_ERROR;
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}
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str += res;
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} else {
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if (prev != 0) {
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r_err_str = "Invalid UTF-16 sequence in string, unpaired lead surrogate";
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r_token.type = TK_ERROR;
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return ERR_PARSE_ERROR;
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}
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if (ch == '\n') {
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line++;
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}
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str += ch;
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}
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}
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if (prev != 0) {
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r_err_str = "Invalid UTF-16 sequence in string, unpaired lead surrogate";
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r_token.type = TK_ERROR;
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return ERR_PARSE_ERROR;
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}
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if (p_stream->is_utf8()) {
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str.parse_utf8(str.ascii(true).get_data());
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}
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if (string_name) {
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r_token.type = TK_STRING_NAME;
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r_token.value = StringName(str);
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} else {
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r_token.type = TK_STRING;
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r_token.value = str;
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}
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return OK;
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} break;
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default: {
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if (cchar <= 32) {
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break;
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}
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if (cchar == '-' || (cchar >= '0' && cchar <= '9')) {
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//a number
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StringBuffer<> num;
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#define READING_SIGN 0
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#define READING_INT 1
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#define READING_DEC 2
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#define READING_EXP 3
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#define READING_DONE 4
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int reading = READING_INT;
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if (cchar == '-') {
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num += '-';
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cchar = p_stream->get_char();
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}
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char32_t c = cchar;
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bool exp_sign = false;
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bool exp_beg = false;
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bool is_float = false;
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while (true) {
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switch (reading) {
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case READING_INT: {
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if (is_digit(c)) {
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//pass
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} else if (c == '.') {
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reading = READING_DEC;
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is_float = true;
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} else if (c == 'e') {
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reading = READING_EXP;
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is_float = true;
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} else {
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reading = READING_DONE;
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}
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} break;
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case READING_DEC: {
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if (is_digit(c)) {
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} else if (c == 'e') {
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reading = READING_EXP;
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} else {
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reading = READING_DONE;
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}
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} break;
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case READING_EXP: {
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if (is_digit(c)) {
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exp_beg = true;
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} else if ((c == '-' || c == '+') && !exp_sign && !exp_beg) {
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exp_sign = true;
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} else {
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reading = READING_DONE;
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}
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} break;
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}
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if (reading == READING_DONE) {
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break;
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}
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num += c;
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c = p_stream->get_char();
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}
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p_stream->saved = c;
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r_token.type = TK_NUMBER;
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if (is_float) {
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r_token.value = num.as_double();
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} else {
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r_token.value = num.as_int();
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}
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return OK;
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} else if (is_ascii_char(cchar) || is_underscore(cchar)) {
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StringBuffer<> id;
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bool first = true;
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while (is_ascii_char(cchar) || is_underscore(cchar) || (!first && is_digit(cchar))) {
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id += cchar;
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cchar = p_stream->get_char();
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first = false;
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}
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p_stream->saved = cchar;
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r_token.type = TK_IDENTIFIER;
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r_token.value = id.as_string();
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return OK;
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} else {
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r_err_str = "Unexpected character.";
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r_token.type = TK_ERROR;
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return ERR_PARSE_ERROR;
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}
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}
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}
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}
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r_token.type = TK_ERROR;
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return ERR_PARSE_ERROR;
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}
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Error VariantParser::_parse_enginecfg(Stream *p_stream, Vector<String> &strings, int &line, String &r_err_str) {
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Token token;
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get_token(p_stream, token, line, r_err_str);
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if (token.type != TK_PARENTHESIS_OPEN) {
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r_err_str = "Expected '(' in old-style project.godot construct";
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return ERR_PARSE_ERROR;
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}
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String accum;
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while (true) {
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char32_t c = p_stream->get_char();
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if (p_stream->is_eof()) {
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r_err_str = "Unexpected EOF while parsing old-style project.godot construct";
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return ERR_PARSE_ERROR;
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}
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if (c == ',') {
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strings.push_back(accum.strip_edges());
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accum = String();
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} else if (c == ')') {
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strings.push_back(accum.strip_edges());
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return OK;
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} else if (c == '\n') {
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line++;
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}
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}
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}
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template <class T>
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Error VariantParser::_parse_construct(Stream *p_stream, Vector<T> &r_construct, int &line, String &r_err_str) {
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Token token;
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get_token(p_stream, token, line, r_err_str);
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if (token.type != TK_PARENTHESIS_OPEN) {
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r_err_str = "Expected '(' in constructor";
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return ERR_PARSE_ERROR;
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}
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bool first = true;
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while (true) {
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|
if (!first) {
|
|
get_token(p_stream, token, line, r_err_str);
|
|
if (token.type == TK_COMMA) {
|
|
//do none
|
|
} else if (token.type == TK_PARENTHESIS_CLOSE) {
|
|
break;
|
|
} else {
|
|
r_err_str = "Expected ',' or ')' in constructor";
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
}
|
|
get_token(p_stream, token, line, r_err_str);
|
|
|
|
if (first && token.type == TK_PARENTHESIS_CLOSE) {
|
|
break;
|
|
} else if (token.type != TK_NUMBER) {
|
|
bool valid = false;
|
|
if (token.type == TK_IDENTIFIER) {
|
|
double real = stor_fix(token.value);
|
|
if (real != -1) {
|
|
token.type = TK_NUMBER;
|
|
token.value = real;
|
|
valid = true;
|
|
}
|
|
}
|
|
if (!valid) {
|
|
r_err_str = "Expected float in constructor";
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
}
|
|
|
|
r_construct.push_back(token.value);
|
|
first = false;
|
|
}
|
|
|
|
return OK;
|
|
}
|
|
|
|
Error VariantParser::parse_value(Token &token, Variant &value, Stream *p_stream, int &line, String &r_err_str, ResourceParser *p_res_parser) {
|
|
if (token.type == TK_CURLY_BRACKET_OPEN) {
|
|
Dictionary d;
|
|
Error err = _parse_dictionary(d, p_stream, line, r_err_str, p_res_parser);
|
|
if (err) {
|
|
return err;
|
|
}
|
|
value = d;
|
|
return OK;
|
|
} else if (token.type == TK_BRACKET_OPEN) {
|
|
Array a;
|
|
Error err = _parse_array(a, p_stream, line, r_err_str, p_res_parser);
|
|
if (err) {
|
|
return err;
|
|
}
|
|
value = a;
|
|
return OK;
|
|
} else if (token.type == TK_IDENTIFIER) {
|
|
String id = token.value;
|
|
if (id == "true") {
|
|
value = true;
|
|
} else if (id == "false") {
|
|
value = false;
|
|
} else if (id == "null" || id == "nil") {
|
|
value = Variant();
|
|
} else if (id == "inf") {
|
|
value = INFINITY;
|
|
} else if (id == "inf_neg") {
|
|
value = -INFINITY;
|
|
} else if (id == "nan") {
|
|
value = NAN;
|
|
} else if (id == "Vector2") {
|
|
Vector<real_t> args;
|
|
Error err = _parse_construct<real_t>(p_stream, args, line, r_err_str);
|
|
if (err) {
|
|
return err;
|
|
}
|
|
|
|
if (args.size() != 2) {
|
|
r_err_str = "Expected 2 arguments for constructor";
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
value = Vector2(args[0], args[1]);
|
|
} else if (id == "Vector2i") {
|
|
Vector<int32_t> args;
|
|
Error err = _parse_construct<int32_t>(p_stream, args, line, r_err_str);
|
|
if (err) {
|
|
return err;
|
|
}
|
|
|
|
if (args.size() != 2) {
|
|
r_err_str = "Expected 2 arguments for constructor";
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
value = Vector2i(args[0], args[1]);
|
|
} else if (id == "Rect2") {
|
|
Vector<real_t> args;
|
|
Error err = _parse_construct<real_t>(p_stream, args, line, r_err_str);
|
|
if (err) {
|
|
return err;
|
|
}
|
|
|
|
if (args.size() != 4) {
|
|
r_err_str = "Expected 4 arguments for constructor";
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
value = Rect2(args[0], args[1], args[2], args[3]);
|
|
} else if (id == "Rect2i") {
|
|
Vector<int32_t> args;
|
|
Error err = _parse_construct<int32_t>(p_stream, args, line, r_err_str);
|
|
if (err) {
|
|
return err;
|
|
}
|
|
|
|
if (args.size() != 4) {
|
|
r_err_str = "Expected 4 arguments for constructor";
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
value = Rect2i(args[0], args[1], args[2], args[3]);
|
|
} else if (id == "Vector3") {
|
|
Vector<real_t> args;
|
|
Error err = _parse_construct<real_t>(p_stream, args, line, r_err_str);
|
|
if (err) {
|
|
return err;
|
|
}
|
|
|
|
if (args.size() != 3) {
|
|
r_err_str = "Expected 3 arguments for constructor";
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
value = Vector3(args[0], args[1], args[2]);
|
|
} else if (id == "Vector3i") {
|
|
Vector<int32_t> args;
|
|
Error err = _parse_construct<int32_t>(p_stream, args, line, r_err_str);
|
|
if (err) {
|
|
return err;
|
|
}
|
|
|
|
if (args.size() != 3) {
|
|
r_err_str = "Expected 3 arguments for constructor";
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
value = Vector3i(args[0], args[1], args[2]);
|
|
} else if (id == "Vector4") {
|
|
Vector<real_t> args;
|
|
Error err = _parse_construct<real_t>(p_stream, args, line, r_err_str);
|
|
if (err) {
|
|
return err;
|
|
}
|
|
|
|
if (args.size() != 4) {
|
|
r_err_str = "Expected 4 arguments for constructor";
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
value = Vector4(args[0], args[1], args[2], args[3]);
|
|
} else if (id == "Vector4i") {
|
|
Vector<int32_t> args;
|
|
Error err = _parse_construct<int32_t>(p_stream, args, line, r_err_str);
|
|
if (err) {
|
|
return err;
|
|
}
|
|
|
|
if (args.size() != 4) {
|
|
r_err_str = "Expected 4 arguments for constructor";
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
value = Vector4i(args[0], args[1], args[2], args[3]);
|
|
} else if (id == "Transform2D" || id == "Matrix32") { //compatibility
|
|
Vector<real_t> args;
|
|
Error err = _parse_construct<real_t>(p_stream, args, line, r_err_str);
|
|
if (err) {
|
|
return err;
|
|
}
|
|
|
|
if (args.size() != 6) {
|
|
r_err_str = "Expected 6 arguments for constructor";
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
Transform2D m;
|
|
m[0] = Vector2(args[0], args[1]);
|
|
m[1] = Vector2(args[2], args[3]);
|
|
m[2] = Vector2(args[4], args[5]);
|
|
value = m;
|
|
} else if (id == "Plane") {
|
|
Vector<real_t> args;
|
|
Error err = _parse_construct<real_t>(p_stream, args, line, r_err_str);
|
|
if (err) {
|
|
return err;
|
|
}
|
|
|
|
if (args.size() != 4) {
|
|
r_err_str = "Expected 4 arguments for constructor";
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
value = Plane(args[0], args[1], args[2], args[3]);
|
|
} else if (id == "Quaternion" || id == "Quat") { // "Quat" kept for compatibility
|
|
Vector<real_t> args;
|
|
Error err = _parse_construct<real_t>(p_stream, args, line, r_err_str);
|
|
if (err) {
|
|
return err;
|
|
}
|
|
|
|
if (args.size() != 4) {
|
|
r_err_str = "Expected 4 arguments for constructor";
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
value = Quaternion(args[0], args[1], args[2], args[3]);
|
|
} else if (id == "AABB" || id == "Rect3") {
|
|
Vector<real_t> args;
|
|
Error err = _parse_construct<real_t>(p_stream, args, line, r_err_str);
|
|
if (err) {
|
|
return err;
|
|
}
|
|
|
|
if (args.size() != 6) {
|
|
r_err_str = "Expected 6 arguments for constructor";
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
value = AABB(Vector3(args[0], args[1], args[2]), Vector3(args[3], args[4], args[5]));
|
|
} else if (id == "Basis" || id == "Matrix3") { //compatibility
|
|
Vector<real_t> args;
|
|
Error err = _parse_construct<real_t>(p_stream, args, line, r_err_str);
|
|
if (err) {
|
|
return err;
|
|
}
|
|
|
|
if (args.size() != 9) {
|
|
r_err_str = "Expected 9 arguments for constructor";
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
value = Basis(args[0], args[1], args[2], args[3], args[4], args[5], args[6], args[7], args[8]);
|
|
} else if (id == "Transform3D" || id == "Transform") { // "Transform" kept for compatibility with Godot <4.
|
|
Vector<real_t> args;
|
|
Error err = _parse_construct<real_t>(p_stream, args, line, r_err_str);
|
|
if (err) {
|
|
return err;
|
|
}
|
|
|
|
if (args.size() != 12) {
|
|
r_err_str = "Expected 12 arguments for constructor";
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
value = Transform3D(Basis(args[0], args[1], args[2], args[3], args[4], args[5], args[6], args[7], args[8]), Vector3(args[9], args[10], args[11]));
|
|
} else if (id == "Projection") { // "Transform" kept for compatibility with Godot <4.
|
|
Vector<real_t> args;
|
|
Error err = _parse_construct<real_t>(p_stream, args, line, r_err_str);
|
|
if (err) {
|
|
return err;
|
|
}
|
|
|
|
if (args.size() != 16) {
|
|
r_err_str = "Expected 16 arguments for constructor";
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
value = Projection(Vector4(args[0], args[1], args[2], args[3]), Vector4(args[4], args[5], args[6], args[7]), Vector4(args[8], args[9], args[10], args[11]), Vector4(args[12], args[13], args[14], args[15]));
|
|
} else if (id == "Color") {
|
|
Vector<float> args;
|
|
Error err = _parse_construct<float>(p_stream, args, line, r_err_str);
|
|
if (err) {
|
|
return err;
|
|
}
|
|
|
|
if (args.size() != 4) {
|
|
r_err_str = "Expected 4 arguments for constructor";
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
value = Color(args[0], args[1], args[2], args[3]);
|
|
} else if (id == "NodePath") {
|
|
get_token(p_stream, token, line, r_err_str);
|
|
if (token.type != TK_PARENTHESIS_OPEN) {
|
|
r_err_str = "Expected '('";
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
get_token(p_stream, token, line, r_err_str);
|
|
if (token.type != TK_STRING) {
|
|
r_err_str = "Expected string as argument for NodePath()";
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
value = NodePath(String(token.value));
|
|
|
|
get_token(p_stream, token, line, r_err_str);
|
|
if (token.type != TK_PARENTHESIS_CLOSE) {
|
|
r_err_str = "Expected ')'";
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
} else if (id == "RID") {
|
|
get_token(p_stream, token, line, r_err_str);
|
|
if (token.type != TK_PARENTHESIS_OPEN) {
|
|
r_err_str = "Expected '('";
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
get_token(p_stream, token, line, r_err_str);
|
|
if (token.type != TK_NUMBER) {
|
|
r_err_str = "Expected number as argument";
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
value = token.value;
|
|
|
|
get_token(p_stream, token, line, r_err_str);
|
|
if (token.type != TK_PARENTHESIS_CLOSE) {
|
|
r_err_str = "Expected ')'";
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
} else if (id == "Object") {
|
|
get_token(p_stream, token, line, r_err_str);
|
|
if (token.type != TK_PARENTHESIS_OPEN) {
|
|
r_err_str = "Expected '('";
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
get_token(p_stream, token, line, r_err_str);
|
|
|
|
if (token.type != TK_IDENTIFIER) {
|
|
r_err_str = "Expected identifier with type of object";
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
String type = token.value;
|
|
|
|
Object *obj = ClassDB::instantiate(type);
|
|
|
|
if (!obj) {
|
|
r_err_str = "Can't instantiate Object() of type: " + type;
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
Ref<RefCounted> ref = Ref<RefCounted>(Object::cast_to<RefCounted>(obj));
|
|
|
|
get_token(p_stream, token, line, r_err_str);
|
|
if (token.type != TK_COMMA) {
|
|
r_err_str = "Expected ',' after object type";
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
bool at_key = true;
|
|
String key;
|
|
Token token2;
|
|
bool need_comma = false;
|
|
|
|
while (true) {
|
|
if (p_stream->is_eof()) {
|
|
r_err_str = "Unexpected End of File while parsing Object()";
|
|
return ERR_FILE_CORRUPT;
|
|
}
|
|
|
|
if (at_key) {
|
|
Error err = get_token(p_stream, token2, line, r_err_str);
|
|
if (err != OK) {
|
|
return err;
|
|
}
|
|
|
|
if (token2.type == TK_PARENTHESIS_CLOSE) {
|
|
value = ref.is_valid() ? Variant(ref) : Variant(obj);
|
|
return OK;
|
|
}
|
|
|
|
if (need_comma) {
|
|
if (token2.type != TK_COMMA) {
|
|
r_err_str = "Expected '}' or ','";
|
|
return ERR_PARSE_ERROR;
|
|
} else {
|
|
need_comma = false;
|
|
continue;
|
|
}
|
|
}
|
|
|
|
if (token2.type != TK_STRING) {
|
|
r_err_str = "Expected property name as string";
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
key = token2.value;
|
|
|
|
err = get_token(p_stream, token2, line, r_err_str);
|
|
|
|
if (err != OK) {
|
|
return err;
|
|
}
|
|
if (token2.type != TK_COLON) {
|
|
r_err_str = "Expected ':'";
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
at_key = false;
|
|
} else {
|
|
Error err = get_token(p_stream, token2, line, r_err_str);
|
|
if (err != OK) {
|
|
return err;
|
|
}
|
|
|
|
Variant v;
|
|
err = parse_value(token2, v, p_stream, line, r_err_str, p_res_parser);
|
|
if (err) {
|
|
return err;
|
|
}
|
|
obj->set(key, v);
|
|
need_comma = true;
|
|
at_key = true;
|
|
}
|
|
}
|
|
} else if (id == "Resource" || id == "SubResource" || id == "ExtResource") {
|
|
get_token(p_stream, token, line, r_err_str);
|
|
if (token.type != TK_PARENTHESIS_OPEN) {
|
|
r_err_str = "Expected '('";
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
if (p_res_parser && id == "Resource" && p_res_parser->func) {
|
|
Ref<Resource> res;
|
|
Error err = p_res_parser->func(p_res_parser->userdata, p_stream, res, line, r_err_str);
|
|
if (err) {
|
|
return err;
|
|
}
|
|
|
|
value = res;
|
|
} else if (p_res_parser && id == "ExtResource" && p_res_parser->ext_func) {
|
|
Ref<Resource> res;
|
|
Error err = p_res_parser->ext_func(p_res_parser->userdata, p_stream, res, line, r_err_str);
|
|
if (err) {
|
|
return err;
|
|
}
|
|
|
|
value = res;
|
|
} else if (p_res_parser && id == "SubResource" && p_res_parser->sub_func) {
|
|
Ref<Resource> res;
|
|
Error err = p_res_parser->sub_func(p_res_parser->userdata, p_stream, res, line, r_err_str);
|
|
if (err) {
|
|
return err;
|
|
}
|
|
|
|
value = res;
|
|
} else {
|
|
get_token(p_stream, token, line, r_err_str);
|
|
if (token.type == TK_STRING) {
|
|
String path = token.value;
|
|
Ref<Resource> res = ResourceLoader::load(path);
|
|
if (res.is_null()) {
|
|
r_err_str = "Can't load resource at path: '" + path + "'.";
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
get_token(p_stream, token, line, r_err_str);
|
|
if (token.type != TK_PARENTHESIS_CLOSE) {
|
|
r_err_str = "Expected ')'";
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
value = res;
|
|
} else {
|
|
r_err_str = "Expected string as argument for Resource().";
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
}
|
|
} else if (id == "PackedByteArray" || id == "PoolByteArray" || id == "ByteArray") {
|
|
Vector<uint8_t> args;
|
|
Error err = _parse_construct<uint8_t>(p_stream, args, line, r_err_str);
|
|
if (err) {
|
|
return err;
|
|
}
|
|
|
|
Vector<uint8_t> arr;
|
|
{
|
|
int len = args.size();
|
|
arr.resize(len);
|
|
uint8_t *w = arr.ptrw();
|
|
for (int i = 0; i < len; i++) {
|
|
w[i] = args[i];
|
|
}
|
|
}
|
|
|
|
value = arr;
|
|
} else if (id == "PackedInt32Array" || id == "PackedIntArray" || id == "PoolIntArray" || id == "IntArray") {
|
|
Vector<int32_t> args;
|
|
Error err = _parse_construct<int32_t>(p_stream, args, line, r_err_str);
|
|
if (err) {
|
|
return err;
|
|
}
|
|
|
|
Vector<int32_t> arr;
|
|
{
|
|
int32_t len = args.size();
|
|
arr.resize(len);
|
|
int32_t *w = arr.ptrw();
|
|
for (int32_t i = 0; i < len; i++) {
|
|
w[i] = int32_t(args[i]);
|
|
}
|
|
}
|
|
|
|
value = arr;
|
|
} else if (id == "PackedInt64Array") {
|
|
Vector<int64_t> args;
|
|
Error err = _parse_construct<int64_t>(p_stream, args, line, r_err_str);
|
|
if (err) {
|
|
return err;
|
|
}
|
|
|
|
Vector<int64_t> arr;
|
|
{
|
|
int64_t len = args.size();
|
|
arr.resize(len);
|
|
int64_t *w = arr.ptrw();
|
|
for (int64_t i = 0; i < len; i++) {
|
|
w[i] = int64_t(args[i]);
|
|
}
|
|
}
|
|
|
|
value = arr;
|
|
} else if (id == "PackedFloat32Array" || id == "PackedRealArray" || id == "PoolRealArray" || id == "FloatArray") {
|
|
Vector<float> args;
|
|
Error err = _parse_construct<float>(p_stream, args, line, r_err_str);
|
|
if (err) {
|
|
return err;
|
|
}
|
|
|
|
Vector<float> arr;
|
|
{
|
|
int len = args.size();
|
|
arr.resize(len);
|
|
float *w = arr.ptrw();
|
|
for (int i = 0; i < len; i++) {
|
|
w[i] = args[i];
|
|
}
|
|
}
|
|
|
|
value = arr;
|
|
} else if (id == "PackedFloat64Array") {
|
|
Vector<double> args;
|
|
Error err = _parse_construct<double>(p_stream, args, line, r_err_str);
|
|
if (err) {
|
|
return err;
|
|
}
|
|
|
|
Vector<double> arr;
|
|
{
|
|
int len = args.size();
|
|
arr.resize(len);
|
|
double *w = arr.ptrw();
|
|
for (int i = 0; i < len; i++) {
|
|
w[i] = args[i];
|
|
}
|
|
}
|
|
|
|
value = arr;
|
|
} else if (id == "PackedStringArray" || id == "PoolStringArray" || id == "StringArray") {
|
|
get_token(p_stream, token, line, r_err_str);
|
|
if (token.type != TK_PARENTHESIS_OPEN) {
|
|
r_err_str = "Expected '('";
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
Vector<String> cs;
|
|
|
|
bool first = true;
|
|
while (true) {
|
|
if (!first) {
|
|
get_token(p_stream, token, line, r_err_str);
|
|
if (token.type == TK_COMMA) {
|
|
//do none
|
|
} else if (token.type == TK_PARENTHESIS_CLOSE) {
|
|
break;
|
|
} else {
|
|
r_err_str = "Expected ',' or ')'";
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
}
|
|
get_token(p_stream, token, line, r_err_str);
|
|
|
|
if (token.type == TK_PARENTHESIS_CLOSE) {
|
|
break;
|
|
} else if (token.type != TK_STRING) {
|
|
r_err_str = "Expected string";
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
first = false;
|
|
cs.push_back(token.value);
|
|
}
|
|
|
|
Vector<String> arr;
|
|
{
|
|
int len = cs.size();
|
|
arr.resize(len);
|
|
String *w = arr.ptrw();
|
|
for (int i = 0; i < len; i++) {
|
|
w[i] = cs[i];
|
|
}
|
|
}
|
|
|
|
value = arr;
|
|
} else if (id == "PackedVector2Array" || id == "PoolVector2Array" || id == "Vector2Array") {
|
|
Vector<real_t> args;
|
|
Error err = _parse_construct<real_t>(p_stream, args, line, r_err_str);
|
|
if (err) {
|
|
return err;
|
|
}
|
|
|
|
Vector<Vector2> arr;
|
|
{
|
|
int len = args.size() / 2;
|
|
arr.resize(len);
|
|
Vector2 *w = arr.ptrw();
|
|
for (int i = 0; i < len; i++) {
|
|
w[i] = Vector2(args[i * 2 + 0], args[i * 2 + 1]);
|
|
}
|
|
}
|
|
|
|
value = arr;
|
|
} else if (id == "PackedVector3Array" || id == "PoolVector3Array" || id == "Vector3Array") {
|
|
Vector<real_t> args;
|
|
Error err = _parse_construct<real_t>(p_stream, args, line, r_err_str);
|
|
if (err) {
|
|
return err;
|
|
}
|
|
|
|
Vector<Vector3> arr;
|
|
{
|
|
int len = args.size() / 3;
|
|
arr.resize(len);
|
|
Vector3 *w = arr.ptrw();
|
|
for (int i = 0; i < len; i++) {
|
|
w[i] = Vector3(args[i * 3 + 0], args[i * 3 + 1], args[i * 3 + 2]);
|
|
}
|
|
}
|
|
|
|
value = arr;
|
|
} else if (id == "PackedColorArray" || id == "PoolColorArray" || id == "ColorArray") {
|
|
Vector<float> args;
|
|
Error err = _parse_construct<float>(p_stream, args, line, r_err_str);
|
|
if (err) {
|
|
return err;
|
|
}
|
|
|
|
Vector<Color> arr;
|
|
{
|
|
int len = args.size() / 4;
|
|
arr.resize(len);
|
|
Color *w = arr.ptrw();
|
|
for (int i = 0; i < len; i++) {
|
|
w[i] = Color(args[i * 4 + 0], args[i * 4 + 1], args[i * 4 + 2], args[i * 4 + 3]);
|
|
}
|
|
}
|
|
|
|
value = arr;
|
|
} else {
|
|
r_err_str = "Unexpected identifier: '" + id + "'.";
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
// All above branches end up here unless they had an early return.
|
|
return OK;
|
|
} else if (token.type == TK_NUMBER) {
|
|
value = token.value;
|
|
return OK;
|
|
} else if (token.type == TK_STRING) {
|
|
value = token.value;
|
|
return OK;
|
|
} else if (token.type == TK_STRING_NAME) {
|
|
value = token.value;
|
|
return OK;
|
|
} else if (token.type == TK_COLOR) {
|
|
value = token.value;
|
|
return OK;
|
|
} else {
|
|
r_err_str = "Expected value, got " + String(tk_name[token.type]) + ".";
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
}
|
|
|
|
Error VariantParser::_parse_array(Array &array, Stream *p_stream, int &line, String &r_err_str, ResourceParser *p_res_parser) {
|
|
Token token;
|
|
bool need_comma = false;
|
|
|
|
while (true) {
|
|
if (p_stream->is_eof()) {
|
|
r_err_str = "Unexpected End of File while parsing array";
|
|
return ERR_FILE_CORRUPT;
|
|
}
|
|
|
|
Error err = get_token(p_stream, token, line, r_err_str);
|
|
if (err != OK) {
|
|
return err;
|
|
}
|
|
|
|
if (token.type == TK_BRACKET_CLOSE) {
|
|
return OK;
|
|
}
|
|
|
|
if (need_comma) {
|
|
if (token.type != TK_COMMA) {
|
|
r_err_str = "Expected ','";
|
|
return ERR_PARSE_ERROR;
|
|
} else {
|
|
need_comma = false;
|
|
continue;
|
|
}
|
|
}
|
|
|
|
Variant v;
|
|
err = parse_value(token, v, p_stream, line, r_err_str, p_res_parser);
|
|
if (err) {
|
|
return err;
|
|
}
|
|
|
|
array.push_back(v);
|
|
need_comma = true;
|
|
}
|
|
}
|
|
|
|
Error VariantParser::_parse_dictionary(Dictionary &object, Stream *p_stream, int &line, String &r_err_str, ResourceParser *p_res_parser) {
|
|
bool at_key = true;
|
|
Variant key;
|
|
Token token;
|
|
bool need_comma = false;
|
|
|
|
while (true) {
|
|
if (p_stream->is_eof()) {
|
|
r_err_str = "Unexpected End of File while parsing dictionary";
|
|
return ERR_FILE_CORRUPT;
|
|
}
|
|
|
|
if (at_key) {
|
|
Error err = get_token(p_stream, token, line, r_err_str);
|
|
if (err != OK) {
|
|
return err;
|
|
}
|
|
|
|
if (token.type == TK_CURLY_BRACKET_CLOSE) {
|
|
return OK;
|
|
}
|
|
|
|
if (need_comma) {
|
|
if (token.type != TK_COMMA) {
|
|
r_err_str = "Expected '}' or ','";
|
|
return ERR_PARSE_ERROR;
|
|
} else {
|
|
need_comma = false;
|
|
continue;
|
|
}
|
|
}
|
|
|
|
err = parse_value(token, key, p_stream, line, r_err_str, p_res_parser);
|
|
|
|
if (err) {
|
|
return err;
|
|
}
|
|
|
|
err = get_token(p_stream, token, line, r_err_str);
|
|
|
|
if (err != OK) {
|
|
return err;
|
|
}
|
|
if (token.type != TK_COLON) {
|
|
r_err_str = "Expected ':'";
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
at_key = false;
|
|
} else {
|
|
Error err = get_token(p_stream, token, line, r_err_str);
|
|
if (err != OK) {
|
|
return err;
|
|
}
|
|
|
|
Variant v;
|
|
err = parse_value(token, v, p_stream, line, r_err_str, p_res_parser);
|
|
if (err && err != ERR_FILE_MISSING_DEPENDENCIES) {
|
|
return err;
|
|
}
|
|
object[key] = v;
|
|
need_comma = true;
|
|
at_key = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
Error VariantParser::_parse_tag(Token &token, Stream *p_stream, int &line, String &r_err_str, Tag &r_tag, ResourceParser *p_res_parser, bool p_simple_tag) {
|
|
r_tag.fields.clear();
|
|
|
|
if (token.type != TK_BRACKET_OPEN) {
|
|
r_err_str = "Expected '['";
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
if (p_simple_tag) {
|
|
r_tag.name = "";
|
|
r_tag.fields.clear();
|
|
|
|
if (p_stream->is_utf8()) {
|
|
CharString cs;
|
|
while (true) {
|
|
char c = p_stream->get_char();
|
|
if (p_stream->is_eof()) {
|
|
r_err_str = "Unexpected EOF while parsing simple tag";
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
if (c == ']') {
|
|
break;
|
|
}
|
|
cs += c;
|
|
}
|
|
r_tag.name.parse_utf8(cs.get_data(), cs.length());
|
|
} else {
|
|
while (true) {
|
|
char32_t c = p_stream->get_char();
|
|
if (p_stream->is_eof()) {
|
|
r_err_str = "Unexpected EOF while parsing simple tag";
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
if (c == ']') {
|
|
break;
|
|
}
|
|
r_tag.name += String::chr(c);
|
|
}
|
|
}
|
|
|
|
r_tag.name = r_tag.name.strip_edges();
|
|
|
|
return OK;
|
|
}
|
|
|
|
get_token(p_stream, token, line, r_err_str);
|
|
|
|
if (token.type != TK_IDENTIFIER) {
|
|
r_err_str = "Expected identifier (tag name)";
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
r_tag.name = token.value;
|
|
bool parsing_tag = true;
|
|
|
|
while (true) {
|
|
if (p_stream->is_eof()) {
|
|
r_err_str = "Unexpected End of File while parsing tag: " + r_tag.name;
|
|
return ERR_FILE_CORRUPT;
|
|
}
|
|
|
|
get_token(p_stream, token, line, r_err_str);
|
|
if (token.type == TK_BRACKET_CLOSE) {
|
|
break;
|
|
}
|
|
|
|
if (parsing_tag && token.type == TK_PERIOD) {
|
|
r_tag.name += "."; //support tags such as [someprop.Android] for specific platforms
|
|
get_token(p_stream, token, line, r_err_str);
|
|
} else if (parsing_tag && token.type == TK_COLON) {
|
|
r_tag.name += ":"; //support tags such as [someprop.Android] for specific platforms
|
|
get_token(p_stream, token, line, r_err_str);
|
|
} else {
|
|
parsing_tag = false;
|
|
}
|
|
|
|
if (token.type != TK_IDENTIFIER) {
|
|
r_err_str = "Expected Identifier";
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
String id = token.value;
|
|
|
|
if (parsing_tag) {
|
|
r_tag.name += id;
|
|
continue;
|
|
}
|
|
|
|
get_token(p_stream, token, line, r_err_str);
|
|
if (token.type != TK_EQUAL) {
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
get_token(p_stream, token, line, r_err_str);
|
|
Variant value;
|
|
Error err = parse_value(token, value, p_stream, line, r_err_str, p_res_parser);
|
|
if (err) {
|
|
return err;
|
|
}
|
|
|
|
r_tag.fields[id] = value;
|
|
}
|
|
|
|
return OK;
|
|
}
|
|
|
|
Error VariantParser::parse_tag(Stream *p_stream, int &line, String &r_err_str, Tag &r_tag, ResourceParser *p_res_parser, bool p_simple_tag) {
|
|
Token token;
|
|
get_token(p_stream, token, line, r_err_str);
|
|
|
|
if (token.type == TK_EOF) {
|
|
return ERR_FILE_EOF;
|
|
}
|
|
|
|
if (token.type != TK_BRACKET_OPEN) {
|
|
r_err_str = "Expected '['";
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
return _parse_tag(token, p_stream, line, r_err_str, r_tag, p_res_parser, p_simple_tag);
|
|
}
|
|
|
|
Error VariantParser::parse_tag_assign_eof(Stream *p_stream, int &line, String &r_err_str, Tag &r_tag, String &r_assign, Variant &r_value, ResourceParser *p_res_parser, bool p_simple_tag) {
|
|
//assign..
|
|
r_assign = "";
|
|
String what;
|
|
|
|
while (true) {
|
|
char32_t c;
|
|
if (p_stream->saved) {
|
|
c = p_stream->saved;
|
|
p_stream->saved = 0;
|
|
|
|
} else {
|
|
c = p_stream->get_char();
|
|
}
|
|
|
|
if (p_stream->is_eof()) {
|
|
return ERR_FILE_EOF;
|
|
}
|
|
|
|
if (c == ';') { //comment
|
|
while (true) {
|
|
char32_t ch = p_stream->get_char();
|
|
if (p_stream->is_eof()) {
|
|
return ERR_FILE_EOF;
|
|
}
|
|
if (ch == '\n') {
|
|
line++;
|
|
break;
|
|
}
|
|
}
|
|
continue;
|
|
}
|
|
|
|
if (c == '[' && what.length() == 0) {
|
|
//it's a tag!
|
|
p_stream->saved = '['; //go back one
|
|
|
|
Error err = parse_tag(p_stream, line, r_err_str, r_tag, p_res_parser, p_simple_tag);
|
|
|
|
return err;
|
|
}
|
|
|
|
if (c > 32) {
|
|
if (c == '"') { //quoted
|
|
p_stream->saved = '"';
|
|
Token tk;
|
|
Error err = get_token(p_stream, tk, line, r_err_str);
|
|
if (err) {
|
|
return err;
|
|
}
|
|
if (tk.type != TK_STRING) {
|
|
r_err_str = "Error reading quoted string";
|
|
return ERR_INVALID_DATA;
|
|
}
|
|
|
|
what = tk.value;
|
|
|
|
} else if (c != '=') {
|
|
what += String::chr(c);
|
|
} else {
|
|
r_assign = what;
|
|
Token token;
|
|
get_token(p_stream, token, line, r_err_str);
|
|
Error err = parse_value(token, r_value, p_stream, line, r_err_str, p_res_parser);
|
|
return err;
|
|
}
|
|
} else if (c == '\n') {
|
|
line++;
|
|
}
|
|
}
|
|
}
|
|
|
|
Error VariantParser::parse(Stream *p_stream, Variant &r_ret, String &r_err_str, int &r_err_line, ResourceParser *p_res_parser) {
|
|
Token token;
|
|
Error err = get_token(p_stream, token, r_err_line, r_err_str);
|
|
if (err) {
|
|
return err;
|
|
}
|
|
|
|
if (token.type == TK_EOF) {
|
|
return ERR_FILE_EOF;
|
|
}
|
|
|
|
return parse_value(token, r_ret, p_stream, r_err_line, r_err_str, p_res_parser);
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////////////
|
|
//////////////////////////////////////////////////////////////////////////////////
|
|
//////////////////////////////////////////////////////////////////////////////////
|
|
|
|
static String rtos_fix(double p_value) {
|
|
if (p_value == 0.0) {
|
|
return "0"; //avoid negative zero (-0) being written, which may annoy git, svn, etc. for changes when they don't exist.
|
|
} else if (isnan(p_value)) {
|
|
return "nan";
|
|
} else if (isinf(p_value)) {
|
|
if (p_value > 0) {
|
|
return "inf";
|
|
} else {
|
|
return "inf_neg";
|
|
}
|
|
} else {
|
|
return rtoss(p_value);
|
|
}
|
|
}
|
|
|
|
Error VariantWriter::write(const Variant &p_variant, StoreStringFunc p_store_string_func, void *p_store_string_ud, EncodeResourceFunc p_encode_res_func, void *p_encode_res_ud, int recursion_count) {
|
|
switch (p_variant.get_type()) {
|
|
case Variant::NIL: {
|
|
p_store_string_func(p_store_string_ud, "null");
|
|
} break;
|
|
case Variant::BOOL: {
|
|
p_store_string_func(p_store_string_ud, p_variant.operator bool() ? "true" : "false");
|
|
} break;
|
|
case Variant::INT: {
|
|
p_store_string_func(p_store_string_ud, itos(p_variant.operator int64_t()));
|
|
} break;
|
|
case Variant::FLOAT: {
|
|
String s = rtos_fix(p_variant.operator double());
|
|
if (s != "inf" && s != "inf_neg" && s != "nan") {
|
|
if (!s.contains(".") && !s.contains("e")) {
|
|
s += ".0";
|
|
}
|
|
}
|
|
p_store_string_func(p_store_string_ud, s);
|
|
} break;
|
|
case Variant::STRING: {
|
|
String str = p_variant;
|
|
|
|
str = "\"" + str.c_escape_multiline() + "\"";
|
|
p_store_string_func(p_store_string_ud, str);
|
|
} break;
|
|
case Variant::VECTOR2: {
|
|
Vector2 v = p_variant;
|
|
p_store_string_func(p_store_string_ud, "Vector2(" + rtos_fix(v.x) + ", " + rtos_fix(v.y) + ")");
|
|
} break;
|
|
case Variant::VECTOR2I: {
|
|
Vector2i v = p_variant;
|
|
p_store_string_func(p_store_string_ud, "Vector2i(" + itos(v.x) + ", " + itos(v.y) + ")");
|
|
} break;
|
|
case Variant::RECT2: {
|
|
Rect2 aabb = p_variant;
|
|
p_store_string_func(p_store_string_ud, "Rect2(" + rtos_fix(aabb.position.x) + ", " + rtos_fix(aabb.position.y) + ", " + rtos_fix(aabb.size.x) + ", " + rtos_fix(aabb.size.y) + ")");
|
|
|
|
} break;
|
|
case Variant::RECT2I: {
|
|
Rect2i aabb = p_variant;
|
|
p_store_string_func(p_store_string_ud, "Rect2i(" + itos(aabb.position.x) + ", " + itos(aabb.position.y) + ", " + itos(aabb.size.x) + ", " + itos(aabb.size.y) + ")");
|
|
|
|
} break;
|
|
case Variant::VECTOR3: {
|
|
Vector3 v = p_variant;
|
|
p_store_string_func(p_store_string_ud, "Vector3(" + rtos_fix(v.x) + ", " + rtos_fix(v.y) + ", " + rtos_fix(v.z) + ")");
|
|
} break;
|
|
case Variant::VECTOR3I: {
|
|
Vector3i v = p_variant;
|
|
p_store_string_func(p_store_string_ud, "Vector3i(" + itos(v.x) + ", " + itos(v.y) + ", " + itos(v.z) + ")");
|
|
} break;
|
|
case Variant::VECTOR4: {
|
|
Vector4 v = p_variant;
|
|
p_store_string_func(p_store_string_ud, "Vector4(" + rtos_fix(v.x) + ", " + rtos_fix(v.y) + ", " + rtos_fix(v.z) + ", " + rtos_fix(v.w) + ")");
|
|
} break;
|
|
case Variant::VECTOR4I: {
|
|
Vector4i v = p_variant;
|
|
p_store_string_func(p_store_string_ud, "Vector4i(" + itos(v.x) + ", " + itos(v.y) + ", " + itos(v.z) + ", " + itos(v.w) + ")");
|
|
} break;
|
|
case Variant::PLANE: {
|
|
Plane p = p_variant;
|
|
p_store_string_func(p_store_string_ud, "Plane(" + rtos_fix(p.normal.x) + ", " + rtos_fix(p.normal.y) + ", " + rtos_fix(p.normal.z) + ", " + rtos_fix(p.d) + ")");
|
|
|
|
} break;
|
|
case Variant::AABB: {
|
|
AABB aabb = p_variant;
|
|
p_store_string_func(p_store_string_ud, "AABB(" + rtos_fix(aabb.position.x) + ", " + rtos_fix(aabb.position.y) + ", " + rtos_fix(aabb.position.z) + ", " + rtos_fix(aabb.size.x) + ", " + rtos_fix(aabb.size.y) + ", " + rtos_fix(aabb.size.z) + ")");
|
|
|
|
} break;
|
|
case Variant::QUATERNION: {
|
|
Quaternion quaternion = p_variant;
|
|
p_store_string_func(p_store_string_ud, "Quaternion(" + rtos_fix(quaternion.x) + ", " + rtos_fix(quaternion.y) + ", " + rtos_fix(quaternion.z) + ", " + rtos_fix(quaternion.w) + ")");
|
|
|
|
} break;
|
|
case Variant::TRANSFORM2D: {
|
|
String s = "Transform2D(";
|
|
Transform2D m3 = p_variant;
|
|
for (int i = 0; i < 3; i++) {
|
|
for (int j = 0; j < 2; j++) {
|
|
if (i != 0 || j != 0) {
|
|
s += ", ";
|
|
}
|
|
s += rtos_fix(m3.columns[i][j]);
|
|
}
|
|
}
|
|
|
|
p_store_string_func(p_store_string_ud, s + ")");
|
|
|
|
} break;
|
|
case Variant::BASIS: {
|
|
String s = "Basis(";
|
|
Basis m3 = p_variant;
|
|
for (int i = 0; i < 3; i++) {
|
|
for (int j = 0; j < 3; j++) {
|
|
if (i != 0 || j != 0) {
|
|
s += ", ";
|
|
}
|
|
s += rtos_fix(m3.rows[i][j]);
|
|
}
|
|
}
|
|
|
|
p_store_string_func(p_store_string_ud, s + ")");
|
|
|
|
} break;
|
|
case Variant::TRANSFORM3D: {
|
|
String s = "Transform3D(";
|
|
Transform3D t = p_variant;
|
|
Basis &m3 = t.basis;
|
|
for (int i = 0; i < 3; i++) {
|
|
for (int j = 0; j < 3; j++) {
|
|
if (i != 0 || j != 0) {
|
|
s += ", ";
|
|
}
|
|
s += rtos_fix(m3.rows[i][j]);
|
|
}
|
|
}
|
|
|
|
s = s + ", " + rtos_fix(t.origin.x) + ", " + rtos_fix(t.origin.y) + ", " + rtos_fix(t.origin.z);
|
|
|
|
p_store_string_func(p_store_string_ud, s + ")");
|
|
} break;
|
|
case Variant::PROJECTION: {
|
|
String s = "Projection(";
|
|
Projection t = p_variant;
|
|
for (int i = 0; i < 4; i++) {
|
|
for (int j = 0; j < 4; j++) {
|
|
if (i != 0 || j != 0) {
|
|
s += ", ";
|
|
}
|
|
s += rtos_fix(t.columns[i][j]);
|
|
}
|
|
}
|
|
|
|
p_store_string_func(p_store_string_ud, s + ")");
|
|
} break;
|
|
|
|
// misc types
|
|
case Variant::COLOR: {
|
|
Color c = p_variant;
|
|
p_store_string_func(p_store_string_ud, "Color(" + rtos_fix(c.r) + ", " + rtos_fix(c.g) + ", " + rtos_fix(c.b) + ", " + rtos_fix(c.a) + ")");
|
|
|
|
} break;
|
|
case Variant::STRING_NAME: {
|
|
String str = p_variant;
|
|
|
|
str = "&\"" + str.c_escape() + "\"";
|
|
p_store_string_func(p_store_string_ud, str);
|
|
|
|
} break;
|
|
case Variant::NODE_PATH: {
|
|
String str = p_variant;
|
|
|
|
str = "NodePath(\"" + str.c_escape() + "\")";
|
|
p_store_string_func(p_store_string_ud, str);
|
|
|
|
} break;
|
|
|
|
case Variant::OBJECT: {
|
|
Object *obj = p_variant.get_validated_object();
|
|
|
|
if (!obj) {
|
|
p_store_string_func(p_store_string_ud, "null");
|
|
break; // don't save it
|
|
}
|
|
|
|
Ref<Resource> res = p_variant;
|
|
if (res.is_valid()) {
|
|
//is resource
|
|
String res_text;
|
|
|
|
//try external function
|
|
if (p_encode_res_func) {
|
|
res_text = p_encode_res_func(p_encode_res_ud, res);
|
|
}
|
|
|
|
//try path because it's a file
|
|
if (res_text.is_empty() && res->get_path().is_resource_file()) {
|
|
//external resource
|
|
String path = res->get_path();
|
|
res_text = "Resource(\"" + path + "\")";
|
|
}
|
|
|
|
//could come up with some sort of text
|
|
if (!res_text.is_empty()) {
|
|
p_store_string_func(p_store_string_ud, res_text);
|
|
break;
|
|
}
|
|
}
|
|
|
|
//store as generic object
|
|
|
|
p_store_string_func(p_store_string_ud, "Object(" + obj->get_class() + ",");
|
|
|
|
List<PropertyInfo> props;
|
|
obj->get_property_list(&props);
|
|
bool first = true;
|
|
for (const PropertyInfo &E : props) {
|
|
if (E.usage & PROPERTY_USAGE_STORAGE || E.usage & PROPERTY_USAGE_SCRIPT_VARIABLE) {
|
|
//must be serialized
|
|
|
|
if (first) {
|
|
first = false;
|
|
} else {
|
|
p_store_string_func(p_store_string_ud, ",");
|
|
}
|
|
|
|
p_store_string_func(p_store_string_ud, "\"" + E.name + "\":");
|
|
write(obj->get(E.name), p_store_string_func, p_store_string_ud, p_encode_res_func, p_encode_res_ud);
|
|
}
|
|
}
|
|
|
|
p_store_string_func(p_store_string_ud, ")\n");
|
|
|
|
} break;
|
|
|
|
case Variant::DICTIONARY: {
|
|
Dictionary dict = p_variant;
|
|
if (recursion_count > MAX_RECURSION) {
|
|
ERR_PRINT("Max recursion reached");
|
|
p_store_string_func(p_store_string_ud, "{}");
|
|
} else {
|
|
recursion_count++;
|
|
|
|
List<Variant> keys;
|
|
dict.get_key_list(&keys);
|
|
keys.sort();
|
|
|
|
if (keys.is_empty()) { // Avoid unnecessary line break.
|
|
p_store_string_func(p_store_string_ud, "{}");
|
|
break;
|
|
}
|
|
|
|
p_store_string_func(p_store_string_ud, "{\n");
|
|
for (List<Variant>::Element *E = keys.front(); E; E = E->next()) {
|
|
write(E->get(), p_store_string_func, p_store_string_ud, p_encode_res_func, p_encode_res_ud, recursion_count);
|
|
p_store_string_func(p_store_string_ud, ": ");
|
|
write(dict[E->get()], p_store_string_func, p_store_string_ud, p_encode_res_func, p_encode_res_ud, recursion_count);
|
|
if (E->next()) {
|
|
p_store_string_func(p_store_string_ud, ",\n");
|
|
} else {
|
|
p_store_string_func(p_store_string_ud, "\n");
|
|
}
|
|
}
|
|
|
|
p_store_string_func(p_store_string_ud, "}");
|
|
}
|
|
|
|
} break;
|
|
|
|
case Variant::ARRAY: {
|
|
if (recursion_count > MAX_RECURSION) {
|
|
ERR_PRINT("Max recursion reached");
|
|
p_store_string_func(p_store_string_ud, "[]");
|
|
} else {
|
|
recursion_count++;
|
|
|
|
p_store_string_func(p_store_string_ud, "[");
|
|
Array array = p_variant;
|
|
int len = array.size();
|
|
for (int i = 0; i < len; i++) {
|
|
if (i > 0) {
|
|
p_store_string_func(p_store_string_ud, ", ");
|
|
}
|
|
write(array[i], p_store_string_func, p_store_string_ud, p_encode_res_func, p_encode_res_ud, recursion_count);
|
|
}
|
|
|
|
p_store_string_func(p_store_string_ud, "]");
|
|
}
|
|
|
|
} break;
|
|
|
|
case Variant::PACKED_BYTE_ARRAY: {
|
|
p_store_string_func(p_store_string_ud, "PackedByteArray(");
|
|
String s;
|
|
Vector<uint8_t> data = p_variant;
|
|
int len = data.size();
|
|
const uint8_t *ptr = data.ptr();
|
|
|
|
for (int i = 0; i < len; i++) {
|
|
if (i > 0) {
|
|
p_store_string_func(p_store_string_ud, ", ");
|
|
}
|
|
|
|
p_store_string_func(p_store_string_ud, itos(ptr[i]));
|
|
}
|
|
|
|
p_store_string_func(p_store_string_ud, ")");
|
|
|
|
} break;
|
|
case Variant::PACKED_INT32_ARRAY: {
|
|
p_store_string_func(p_store_string_ud, "PackedInt32Array(");
|
|
Vector<int32_t> data = p_variant;
|
|
int32_t len = data.size();
|
|
const int32_t *ptr = data.ptr();
|
|
|
|
for (int32_t i = 0; i < len; i++) {
|
|
if (i > 0) {
|
|
p_store_string_func(p_store_string_ud, ", ");
|
|
}
|
|
|
|
p_store_string_func(p_store_string_ud, itos(ptr[i]));
|
|
}
|
|
|
|
p_store_string_func(p_store_string_ud, ")");
|
|
|
|
} break;
|
|
case Variant::PACKED_INT64_ARRAY: {
|
|
p_store_string_func(p_store_string_ud, "PackedInt64Array(");
|
|
Vector<int64_t> data = p_variant;
|
|
int64_t len = data.size();
|
|
const int64_t *ptr = data.ptr();
|
|
|
|
for (int64_t i = 0; i < len; i++) {
|
|
if (i > 0) {
|
|
p_store_string_func(p_store_string_ud, ", ");
|
|
}
|
|
|
|
p_store_string_func(p_store_string_ud, itos(ptr[i]));
|
|
}
|
|
|
|
p_store_string_func(p_store_string_ud, ")");
|
|
|
|
} break;
|
|
case Variant::PACKED_FLOAT32_ARRAY: {
|
|
p_store_string_func(p_store_string_ud, "PackedFloat32Array(");
|
|
Vector<float> data = p_variant;
|
|
int len = data.size();
|
|
const float *ptr = data.ptr();
|
|
|
|
for (int i = 0; i < len; i++) {
|
|
if (i > 0) {
|
|
p_store_string_func(p_store_string_ud, ", ");
|
|
}
|
|
p_store_string_func(p_store_string_ud, rtos_fix(ptr[i]));
|
|
}
|
|
|
|
p_store_string_func(p_store_string_ud, ")");
|
|
|
|
} break;
|
|
case Variant::PACKED_FLOAT64_ARRAY: {
|
|
p_store_string_func(p_store_string_ud, "PackedFloat64Array(");
|
|
Vector<double> data = p_variant;
|
|
int len = data.size();
|
|
const double *ptr = data.ptr();
|
|
|
|
for (int i = 0; i < len; i++) {
|
|
if (i > 0) {
|
|
p_store_string_func(p_store_string_ud, ", ");
|
|
}
|
|
p_store_string_func(p_store_string_ud, rtos_fix(ptr[i]));
|
|
}
|
|
|
|
p_store_string_func(p_store_string_ud, ")");
|
|
|
|
} break;
|
|
case Variant::PACKED_STRING_ARRAY: {
|
|
p_store_string_func(p_store_string_ud, "PackedStringArray(");
|
|
Vector<String> data = p_variant;
|
|
int len = data.size();
|
|
const String *ptr = data.ptr();
|
|
|
|
String s;
|
|
//write_string("\n");
|
|
|
|
for (int i = 0; i < len; i++) {
|
|
if (i > 0) {
|
|
p_store_string_func(p_store_string_ud, ", ");
|
|
}
|
|
String str = ptr[i];
|
|
p_store_string_func(p_store_string_ud, "\"" + str.c_escape() + "\"");
|
|
}
|
|
|
|
p_store_string_func(p_store_string_ud, ")");
|
|
|
|
} break;
|
|
case Variant::PACKED_VECTOR2_ARRAY: {
|
|
p_store_string_func(p_store_string_ud, "PackedVector2Array(");
|
|
Vector<Vector2> data = p_variant;
|
|
int len = data.size();
|
|
const Vector2 *ptr = data.ptr();
|
|
|
|
for (int i = 0; i < len; i++) {
|
|
if (i > 0) {
|
|
p_store_string_func(p_store_string_ud, ", ");
|
|
}
|
|
p_store_string_func(p_store_string_ud, rtos_fix(ptr[i].x) + ", " + rtos_fix(ptr[i].y));
|
|
}
|
|
|
|
p_store_string_func(p_store_string_ud, ")");
|
|
|
|
} break;
|
|
case Variant::PACKED_VECTOR3_ARRAY: {
|
|
p_store_string_func(p_store_string_ud, "PackedVector3Array(");
|
|
Vector<Vector3> data = p_variant;
|
|
int len = data.size();
|
|
const Vector3 *ptr = data.ptr();
|
|
|
|
for (int i = 0; i < len; i++) {
|
|
if (i > 0) {
|
|
p_store_string_func(p_store_string_ud, ", ");
|
|
}
|
|
p_store_string_func(p_store_string_ud, rtos_fix(ptr[i].x) + ", " + rtos_fix(ptr[i].y) + ", " + rtos_fix(ptr[i].z));
|
|
}
|
|
|
|
p_store_string_func(p_store_string_ud, ")");
|
|
|
|
} break;
|
|
case Variant::PACKED_COLOR_ARRAY: {
|
|
p_store_string_func(p_store_string_ud, "PackedColorArray(");
|
|
Vector<Color> data = p_variant;
|
|
int len = data.size();
|
|
const Color *ptr = data.ptr();
|
|
|
|
for (int i = 0; i < len; i++) {
|
|
if (i > 0) {
|
|
p_store_string_func(p_store_string_ud, ", ");
|
|
}
|
|
|
|
p_store_string_func(p_store_string_ud, rtos_fix(ptr[i].r) + ", " + rtos_fix(ptr[i].g) + ", " + rtos_fix(ptr[i].b) + ", " + rtos_fix(ptr[i].a));
|
|
}
|
|
p_store_string_func(p_store_string_ud, ")");
|
|
|
|
} break;
|
|
default: {
|
|
}
|
|
}
|
|
|
|
return OK;
|
|
}
|
|
|
|
static Error _write_to_str(void *ud, const String &p_string) {
|
|
String *str = (String *)ud;
|
|
(*str) += p_string;
|
|
return OK;
|
|
}
|
|
|
|
Error VariantWriter::write_to_string(const Variant &p_variant, String &r_string, EncodeResourceFunc p_encode_res_func, void *p_encode_res_ud) {
|
|
r_string = String();
|
|
|
|
return write(p_variant, _write_to_str, &r_string, p_encode_res_func, p_encode_res_ud);
|
|
}
|