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-rw-r--r--core/variant_construct_string.cpp438
1 files changed, 0 insertions, 438 deletions
diff --git a/core/variant_construct_string.cpp b/core/variant_construct_string.cpp
deleted file mode 100644
index 2cb7481634..0000000000
--- a/core/variant_construct_string.cpp
+++ /dev/null
@@ -1,438 +0,0 @@
-/*************************************************************************/
-/* variant_construct_string.cpp */
-/*************************************************************************/
-/* This file is part of: */
-/* GODOT ENGINE */
-/* https://godotengine.org */
-/*************************************************************************/
-/* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur. */
-/* Copyright (c) 2014-2019 Godot Engine contributors (cf. AUTHORS.md) */
-/* */
-/* Permission is hereby granted, free of charge, to any person obtaining */
-/* a copy of this software and associated documentation files (the */
-/* "Software"), to deal in the Software without restriction, including */
-/* without limitation the rights to use, copy, modify, merge, publish, */
-/* distribute, sublicense, and/or sell copies of the Software, and to */
-/* permit persons to whom the Software is furnished to do so, subject to */
-/* the following conditions: */
-/* */
-/* The above copyright notice and this permission notice shall be */
-/* included in all copies or substantial portions of the Software. */
-/* */
-/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
-/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
-/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
-/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
-/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
-/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
-/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
-/*************************************************************************/
-
-#include "variant.h"
-
-class VariantConstruct {
-
- enum TokenType {
- TK_CURLY_BRACKET_OPEN,
- TK_CURLY_BRACKET_CLOSE,
- TK_BRACKET_OPEN,
- TK_BRACKET_CLOSE,
- TK_IDENTIFIER,
- TK_STRING,
- TK_NUMBER,
- TK_COLON,
- TK_COMMA,
- TK_EOF,
- TK_MAX
- };
-
- enum Expecting {
-
- EXPECT_OBJECT,
- EXPECT_OBJECT_KEY,
- EXPECT_COLON,
- EXPECT_OBJECT_VALUE,
- };
-
- struct Token {
-
- TokenType type;
- Variant value;
- };
-
- static const char *tk_name[TK_MAX];
-
- static String _print_var(const Variant &p_var);
-
- static Error _get_token(const CharType *p_str, int &index, int p_len, Token &r_token, int &line, String &r_err_str);
- static Error _parse_value(Variant &value, Token &token, const CharType *p_str, int &index, int p_len, int &line, String &r_err_str, Variant::ObjectConstruct *p_construct, void *p_ud);
- static Error _parse_array(Array &array, const CharType *p_str, int &index, int p_len, int &line, String &r_err_str, Variant::ObjectConstruct *p_construct, void *p_ud);
- static Error _parse_dict(Dictionary &dict, const CharType *p_str, int &index, int p_len, int &line, String &r_err_str, Variant::ObjectConstruct *p_construct, void *p_ud);
-
-public:
- static Error parse(const String &p_string, Variant &r_ret, String &r_err_str, int &r_err_line, Variant::ObjectConstruct *p_construct, void *p_ud);
-};
-
-const char *VariantConstruct::tk_name[TK_MAX] = {
- "'{'",
- "'}'",
- "'['",
- "']'",
- "identifier",
- "string",
- "number",
- "':'",
- "','",
- "EOF",
-};
-
-Error VariantConstruct::_get_token(const CharType *p_str, int &index, int p_len, Token &r_token, int &line, String &r_err_str) {
-
- while (true) {
- switch (p_str[index]) {
-
- case '\n': {
-
- line++;
- index++;
- break;
- };
- case 0: {
- r_token.type = TK_EOF;
- return OK;
- } break;
- case '{': {
-
- r_token.type = TK_CURLY_BRACKET_OPEN;
- index++;
- return OK;
- };
- case '}': {
-
- r_token.type = TK_CURLY_BRACKET_CLOSE;
- index++;
- return OK;
- };
- case '[': {
-
- r_token.type = TK_BRACKET_OPEN;
- index++;
- return OK;
- };
- case ']': {
-
- r_token.type = TK_BRACKET_CLOSE;
- index++;
- return OK;
- };
- case ':': {
-
- r_token.type = TK_COLON;
- index++;
- return OK;
- };
- case ',': {
-
- r_token.type = TK_COMMA;
- index++;
- return OK;
- };
- case '"': {
-
- index++;
- String str;
- while (true) {
- if (p_str[index] == 0) {
- r_err_str = "Unterminated String";
- return ERR_PARSE_ERROR;
- } else if (p_str[index] == '"') {
- index++;
- break;
- } else if (p_str[index] == '\\') {
- //escaped characters...
- index++;
- CharType next = p_str[index];
- if (next == 0) {
- r_err_str = "Unterminated String";
- return ERR_PARSE_ERROR;
- }
- CharType res = 0;
-
- switch (next) {
-
- case 'b': res = 8; break;
- case 't': res = 9; break;
- case 'n': res = 10; break;
- case 'f': res = 12; break;
- case 'r': res = 13; break;
- case '\"': res = '\"'; break;
- case '\\': res = '\\'; break;
- case '/': res = '/'; break;
- case 'u': {
- //hexnumbarh - oct is deprecated
-
- for (int j = 0; j < 4; j++) {
- CharType c = p_str[index + j + 1];
- if (c == 0) {
- r_err_str = "Unterminated String";
- return ERR_PARSE_ERROR;
- }
- if (!((c >= '0' && c <= '9') || (c >= 'a' && c <= 'f') || (c >= 'A' && c <= 'F'))) {
-
- r_err_str = "Malformed hex constant in string";
- return ERR_PARSE_ERROR;
- }
- CharType v;
- if (c >= '0' && c <= '9') {
- v = c - '0';
- } else if (c >= 'a' && c <= 'f') {
- v = c - 'a';
- v += 10;
- } else if (c >= 'A' && c <= 'F') {
- v = c - 'A';
- v += 10;
- } else {
- ERR_PRINT("BUG");
- v = 0;
- }
-
- res <<= 4;
- res |= v;
- }
- index += 4; //will add at the end anyway
-
- } break;
- default: {
-
- r_err_str = "Invalid escape sequence";
- return ERR_PARSE_ERROR;
- } break;
- }
-
- str += res;
-
- } else {
- if (p_str[index] == '\n')
- line++;
- str += p_str[index];
- }
- index++;
- }
-
- r_token.type = TK_STRING;
- r_token.value = str;
- return OK;
-
- } break;
- default: {
-
- if (p_str[index] <= 32) {
- index++;
- break;
- }
-
- if (p_str[index] == '-' || (p_str[index] >= '0' && p_str[index] <= '9')) {
- //a number
- const CharType *rptr;
- double number = String::to_double(&p_str[index], &rptr);
- index += (rptr - &p_str[index]);
- r_token.type = TK_NUMBER;
- r_token.value = number;
- return OK;
-
- } else if ((p_str[index] >= 'A' && p_str[index] <= 'Z') || (p_str[index] >= 'a' && p_str[index] <= 'z')) {
-
- String id;
-
- while ((p_str[index] >= 'A' && p_str[index] <= 'Z') || (p_str[index] >= 'a' && p_str[index] <= 'z')) {
-
- id += p_str[index];
- index++;
- }
-
- r_token.type = TK_IDENTIFIER;
- r_token.value = id;
- return OK;
- } else {
- r_err_str = "Unexpected character.";
- return ERR_PARSE_ERROR;
- }
- }
- }
- }
-
- return ERR_PARSE_ERROR;
-}
-
-Error VariantConstruct::_parse_value(Variant &value, Token &token, const CharType *p_str, int &index, int p_len, int &line, String &r_err_str, Variant::ObjectConstruct *p_construct, void *p_ud) {
-
- if (token.type == TK_CURLY_BRACKET_OPEN) {
-
- Dictionary d;
- Error err = _parse_dict(d, p_str, index, p_len, line, r_err_str, p_construct, p_ud);
- if (err)
- return err;
- value = d;
- return OK;
- } else if (token.type == TK_BRACKET_OPEN) {
-
- Array a;
- Error err = _parse_array(a, p_str, index, p_len, line, r_err_str, p_construct, p_ud);
- 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")
- value = Variant();
- else {
- r_err_str = "Expected 'true','false' or 'null', got '" + id + "'.";
- return ERR_PARSE_ERROR;
- }
- 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 {
- r_err_str = "Expected value, got " + String(tk_name[token.type]) + ".";
- return ERR_PARSE_ERROR;
- }
-
- return ERR_PARSE_ERROR;
-}
-
-Error VariantConstruct::_parse_array(Array &array, const CharType *p_str, int &index, int p_len, int &line, String &r_err_str, Variant::ObjectConstruct *p_construct, void *p_ud) {
-
- Token token;
- bool need_comma = false;
-
- while (index < p_len) {
-
- Error err = _get_token(p_str, index, p_len, 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(v, token, p_str, index, p_len, line, r_err_str, p_construct, p_ud);
- if (err)
- return err;
-
- array.push_back(v);
- need_comma = true;
- }
-
- return OK;
-}
-
-Error VariantConstruct::_parse_dict(Dictionary &dict, const CharType *p_str, int &index, int p_len, int &line, String &r_err_str, Variant::ObjectConstruct *p_construct, void *p_ud) {
-
- bool at_key = true;
- Variant key;
- Token token;
- bool need_comma = false;
-
- while (index < p_len) {
-
- if (at_key) {
-
- Error err = _get_token(p_str, index, p_len, 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(key, token, p_str, index, p_len, line, r_err_str, p_construct, p_ud);
-
- if (err != OK)
- return err;
-
- err = _get_token(p_str, index, p_len, 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_str, index, p_len, token, line, r_err_str);
- if (err != OK)
- return err;
-
- Variant v;
- err = _parse_value(v, token, p_str, index, p_len, line, r_err_str, p_construct, p_ud);
- if (err)
- return err;
- dict[key] = v;
- need_comma = true;
- at_key = true;
- }
- }
-
- return OK;
-}
-
-Error VariantConstruct::parse(const String &p_string, Variant &r_ret, String &r_err_str, int &r_err_line, Variant::ObjectConstruct *p_construct, void *p_ud) {
-
- const CharType *str = p_string.ptr();
- int idx = 0;
- int len = p_string.length();
- Token token;
- r_err_line = 0;
- String aux_key;
-
- Error err = _get_token(str, idx, len, token, r_err_line, r_err_str);
- if (err)
- return err;
-
- return _parse_value(r_ret, token, str, idx, len, r_err_line, r_err_str, p_construct, p_ud);
-}