diff options
Diffstat (limited to 'libparc/parc/algol/parc_JSONParser.c')
-rwxr-xr-x | libparc/parc/algol/parc_JSONParser.c | 181 |
1 files changed, 0 insertions, 181 deletions
diff --git a/libparc/parc/algol/parc_JSONParser.c b/libparc/parc/algol/parc_JSONParser.c deleted file mode 100755 index a8a0510b..00000000 --- a/libparc/parc/algol/parc_JSONParser.c +++ /dev/null @@ -1,181 +0,0 @@ -/* - * Copyright (c) 2017 Cisco and/or its affiliates. - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at: - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -/** - */ -#include <config.h> - -#include <parc/assert/parc_Assert.h> - -#include <ctype.h> -#include <string.h> - -#include <parc/algol/parc_JSONParser.h> - -#include <parc/algol/parc_BufferComposer.h> -#include <parc/algol/parc_Object.h> - -struct parc_buffer_parser { - char *ignore; - PARCBuffer *buffer; -}; - -static PARCBuffer * -_getBuffer(const PARCJSONParser *parser) -{ - return parser->buffer; -} - -static void -_destroyPARCBufferParser(PARCJSONParser **instancePtr) -{ - PARCJSONParser *parser = *instancePtr; - parcBuffer_Release(&parser->buffer); -} - -parcObject_ExtendPARCObject(PARCJSONParser, _destroyPARCBufferParser, NULL, NULL, NULL, NULL, NULL, NULL); - -PARCJSONParser * -parcJSONParser_Create(PARCBuffer *buffer) -{ - PARCJSONParser *result = parcObject_CreateInstance(PARCJSONParser); - result->ignore = " \t\n"; - result->buffer = parcBuffer_Acquire(buffer); - return result; -} - -void -parcJSONParser_AssertValid(const PARCJSONParser *parser) -{ - parcAssertNotNull(parser, "PARCJSONParser cannot be NULL"); - parcBuffer_OptionalAssertValid(parser->buffer); -} - -parcObject_ImplementAcquire(parcJSONParser, PARCJSONParser); - -parcObject_ImplementRelease(parcJSONParser, PARCJSONParser); - -void -parcJSONParser_SkipIgnored(PARCJSONParser *parser) -{ - parcJSONParser_OptionalAssertValid(parser); - - parcBuffer_SkipOver(parser->buffer, strlen(parser->ignore), (uint8_t *) parser->ignore); -} - -char -parcJSONParser_NextChar(PARCJSONParser *parser) -{ - parcJSONParser_SkipIgnored(parser); - return (char) parcBuffer_GetUint8(parser->buffer); -} - -bool -parcJSONParser_Next(PARCJSONParser *parser, char *value) -{ - bool result = false; - parcJSONParser_SkipIgnored(parser); - if (parcJSONParser_Remaining(parser) > 0) { - *value = (char) parcBuffer_GetUint8(parser->buffer); - result = true; - } - return result; -} - -char -parcJSONParser_PeekNextChar(PARCJSONParser *parser) -{ - parcJSONParser_SkipIgnored(parser); - return (char) parcBuffer_PeekByte(parser->buffer); -} - -void -parcJSONParser_Advance(PARCJSONParser *parser, long bytes) -{ - parcJSONParser_OptionalAssertValid(parser); - - parcBuffer_SetPosition(parser->buffer, parcBuffer_Position(parser->buffer) + bytes); -} - -size_t -parcJSONParser_Remaining(const PARCJSONParser *parser) -{ - parcJSONParser_OptionalAssertValid(parser); - - return parcBuffer_Remaining(parser->buffer); -} - -bool -parcJSONParser_RequireString(PARCJSONParser *parser, const char *string) -{ - PARCBuffer *buffer = _getBuffer(parser); - - for (const char *requiredCharacter = string; *requiredCharacter != 0; requiredCharacter++) { - uint8_t actualCharacter = parcBuffer_GetUint8(buffer); - if (actualCharacter != *requiredCharacter) { - return false; - } - } - return true; -} - -PARCBuffer * -parcJSONParser_ParseString(PARCJSONParser *parser) -{ - PARCBuffer *result = NULL; - - PARCBuffer *buffer = _getBuffer(parser); - if (parcBuffer_GetUint8(buffer) == '"') { // skip the initial '"' character starting the string. - PARCBufferComposer *composer = parcBufferComposer_Create(); - - while (parcBuffer_Remaining(buffer)) { - uint8_t c = parcBuffer_GetUint8(buffer); - if (c == '"') { - // This is the only successful way to exit this while loop. - result = parcBufferComposer_ProduceBuffer(composer); - break; - } else if (c == '\\') { - c = parcBuffer_GetUint8(buffer); - if (c == '"') { - // this special character passes directly into the composed string. - } else if (c == '\\') { - // this special character passes directly into the composed string. - } else if (c == '/') { - // this special character passes directly into the composed string. - } else if (c == 'b') { - c = '\b'; - } else if (c == 'f') { - c = '\f'; - } else if (c == 'n') { - c = '\n'; - } else if (c == 'r') { - c = '\r'; - } else if (c == 't') { - c = '\t'; - } else if (c == 'u') { - // Not supporting unicode at this point. - parcTrapNotImplemented("Unicode is not supported."); - } - } else if (iscntrl(c)) { - // !! Syntax Error. - break; - } - parcBufferComposer_PutChar(composer, c); - } - - parcBufferComposer_Release(&composer); - } - return result; -} |