diff options
Diffstat (limited to 'core/variant/variant_parser.cpp')
-rw-r--r-- | core/variant/variant_parser.cpp | 105 |
1 files changed, 89 insertions, 16 deletions
diff --git a/core/variant/variant_parser.cpp b/core/variant/variant_parser.cpp index 46c450d9f8..dcb94b16b1 100644 --- a/core/variant/variant_parser.cpp +++ b/core/variant/variant_parser.cpp @@ -30,6 +30,7 @@ #include "variant_parser.h" +#include "core/crypto/crypto_core.h" #include "core/input/input_event.h" #include "core/io/resource_loader.h" #include "core/object/script_language.h" @@ -595,6 +596,82 @@ Error VariantParser::_parse_construct(Stream *p_stream, Vector<T> &r_construct, return OK; } +Error VariantParser::_parse_byte_array(Stream *p_stream, Vector<uint8_t> &r_construct, int &line, String &r_err_str) { + Token token; + get_token(p_stream, token, line, r_err_str); + if (token.type != TK_PARENTHESIS_OPEN) { + r_err_str = "Expected '(' in constructor"; + return ERR_PARSE_ERROR; + } + + get_token(p_stream, token, line, r_err_str); + if (token.type == TK_STRING) { + // Base64 encoded array. + String base64_encoded_string = token.value; + int strlen = base64_encoded_string.length(); + CharString cstr = base64_encoded_string.ascii(); + + size_t arr_len = 0; + r_construct.resize(strlen / 4 * 3 + 1); + uint8_t *w = r_construct.ptrw(); + Error err = CryptoCore::b64_decode(&w[0], r_construct.size(), &arr_len, (unsigned char *)cstr.get_data(), strlen); + if (err) { + r_err_str = "Invalid base64-encoded string"; + return ERR_PARSE_ERROR; + } + r_construct.resize(arr_len); + + get_token(p_stream, token, line, r_err_str); + if (token.type != TK_PARENTHESIS_CLOSE) { + r_err_str = "Expected ')' in constructor"; + return ERR_PARSE_ERROR; + } + + } else if (token.type == TK_NUMBER || token.type == TK_IDENTIFIER) { + // Individual elements. + while (true) { + 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 number in constructor"; + return ERR_PARSE_ERROR; + } + } + + r_construct.push_back(token.value); + + 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); + } + } else if (token.type == TK_PARENTHESIS_CLOSE) { + // Empty array. + return OK; + } else { + r_err_str = "Expected base64 string, or list of numbers in constructor"; + return ERR_PARSE_ERROR; + } + + 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; @@ -1027,7 +1104,7 @@ Error VariantParser::parse_value(Token &token, Variant &value, Stream *p_stream, Error err = p_res_parser->ext_func(p_res_parser->userdata, p_stream, res, line, r_err_str); if (err) { // If the file is missing, the error can be ignored. - if (err != ERR_FILE_NOT_FOUND && err != ERR_CANT_OPEN) { + if (err != ERR_FILE_NOT_FOUND && err != ERR_CANT_OPEN && err != ERR_FILE_CANT_OPEN) { return err; } } @@ -1148,7 +1225,7 @@ Error VariantParser::parse_value(Token &token, Variant &value, Stream *p_stream, value = array; } 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); + Error err = _parse_byte_array(p_stream, args, line, r_err_str); if (err) { return err; } @@ -2012,12 +2089,14 @@ Error VariantWriter::write(const Variant &p_variant, StoreStringFunc p_store_str p_recursion_count++; p_store_string_func(p_store_string_ud, "["); - int len = array.size(); - for (int i = 0; i < len; i++) { - if (i > 0) { + bool first = true; + for (const Variant &var : array) { + if (first) { + first = false; + } else { 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, p_recursion_count); + write(var, p_store_string_func, p_store_string_ud, p_encode_res_func, p_encode_res_ud, p_recursion_count); } p_store_string_func(p_store_string_ud, "]"); @@ -2031,17 +2110,11 @@ Error VariantWriter::write(const Variant &p_variant, StoreStringFunc p_store_str case Variant::PACKED_BYTE_ARRAY: { p_store_string_func(p_store_string_ud, "PackedByteArray("); 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])); + if (data.size() > 0) { + p_store_string_func(p_store_string_ud, "\""); + p_store_string_func(p_store_string_ud, CryptoCore::b64_encode_str(data.ptr(), data.size())); + p_store_string_func(p_store_string_ud, "\""); } - p_store_string_func(p_store_string_ud, ")"); } break; case Variant::PACKED_INT32_ARRAY: { |