jsonp.h

Go to the documentation of this file.

/*  *************************************************************************************
    Copyright (c) 2021, Lowell D. Thomas
    All rights reserved.
    
    This file is part of APG Version 7.0.
    APG Version 7.0 may be used under the terms of the BSD 2-Clause License.
    
    Redistribution and use in source and binary forms, with or without
    modification, are permitted provided that the following conditions are met:
    
    1. Redistributions of source code must retain the above copyright notice, this
       list of conditions and the following disclaimer.
    
    2. Redistributions in binary form must reproduce the above copyright notice,
       this list of conditions and the following disclaimer in the documentation
       and/or other materials provided with the distribution.
    
    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
    AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
    IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
    DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
    FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
    DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
    SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
    CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
    OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
    OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
    
*   *************************************************************************************/
#ifndef JSONP_H_
#define JSONP_H_
 
#define TAB                 9
#define LF                  10
#define CR                  13
#define LINE_LEN            16
#define LINE_LEN4           4
#define LINE_LEN8           8
#define LINE_LEN12          12
 
typedef struct {
    aint uiCharsOffset; 
    aint uiLength; 
} string_r;
 
typedef struct {
    aint uiId; 
    aint uiKey; 
    aint uiChildCount; 
    aint uiChildListOffset; 
    union{
        aint uiString; 
        aint uiNumber; 
    }; 
} value_r;
 
typedef struct {
    aint uiNextKey; 
    aint uiValue; 
    aint uiString; 
    void* vpVecIndexes; 
} frame;
 
typedef struct {
    const void* vpValidate; 
    exception* spException; 
    void* vpMem; 
//    const char* cpTraceOut; ///< The file name to write the internal APG parser's trace to. NULL (default) results in no trace.
    void* vpVecIterators; 
    void* vpVecBuilders; 
 
    // the JSON input (a UTF-8 encoded byte string)
    void* vpVecInput; 
    void* vpLines; 
 
    // used and reused by the parser
    void* vpVecChars; 
    void* vpVecAscii; 
    void* vpVecValuesr; 
    void* vpVecValues;
    json_value* spValues; 
    aint uiValueCount; 
    void* vpVecStringsr; 
    void* vpVecStrings; 
    u32_phrase* spStrings; 
    aint uiStringCount; 
    void* vpVecNumbers; 
    void* vpVecChildIndexes; 
    void* vpVecFrames; 
    void* vpVecChildPointers; //< \brief A vector of pointers to object and array children.
    struct json_value_tag** sppChildPointers; 
    // working values during the parse
    frame* spCurrentFrame; 
    uint32_t uiChar; 
    abool bHasFrac; 
    abool bHasMinus; 
    // pointer lists for returning values to user
    void* vpVecTreeList; 
    void* vpVecChildList; 
    void* vpVecKeyList; 
    void* vpVecScratch32; 
 
    // iterator helpers
    aint uiWalkCount; 
 
    // display and writer helpers
    FILE* spIn; 
    void* vpParser; 
    achar* acpInput; 
    void* vpFmt; 
    void* vpVecOutput; 
    void* vpConv; 
    abool bFirstNode; 
    aint uiCurrentDepth; 
    aint uiMaxDepth; 
} json;
 
typedef struct{
    const void* vpValidate; 
    json* spJson; 
    void* vpVec; 
    json_value** sppValues; 
    aint uiCount; 
    aint uiCurrent; 
    aint uiContextIndex; 
} json_iterator;
 
void vJsonGrammarRuleCallbacks(void* vpParserCtx);
json_iterator* spJsonIteratorCtor(json* spJson);
#define JSON_UTF16_MATCH  0
#define JSON_UTF16_NOMATCH  1
#define JSON_UTF16_BAD_HIGH  2
#define JSON_UTF16_BAD_LOW  3
aint uiUtf16_1(char* cpHex, uint32_t* uipChar);
aint uiUtf16_2(char* cpHex, uint32_t* uipChar);
uint32_t uiUtf8_2byte(char* cpBytes);
uint32_t uiUtf8_3byte(char* cpBytes);
uint32_t uiUtf8_4byte(char* cpBytes);
 
#endif /* JSONP_H_ */