internal

Documentation

Overview

Copy from https://github.com/freddierice/php_source/blob/467ed5d6edff72219afd3e644516f131118ef48e/ext/json/JSON_parser.c Base code: Copyright (c) 2005 JSON.org

Index

• Variables
• type Classes
• type States

Variables

var AsciiClasses = [128]Classes{}/* 128 elements not displayed */

AsciiClasses array maps the 128 ASCII characters into character classes.

var QuoteAsciiClasses = [128]Classes{}/* 128 elements not displayed */

QuoteAsciiClasses is a HACK for single quote from AsciiClasses

var StateTransitionTable = [31][31]States{

	{GO, GO, co, __, bo, __, __, __, ST, __, __, __, MI, __, ZE, IN, __, __, __, __, __, F1, __, N1, __, __, T1, __, __, __, __},
	{OK, OK, __, cc, __, bc, __, cm, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __},
	{OB, OB, __, ec, __, __, __, __, ST, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __},
	{KE, KE, __, __, __, __, __, __, ST, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __},
	{CO, CO, __, __, __, __, cl, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __},
	{VA, VA, co, __, bo, __, __, __, ST, __, __, __, MI, __, ZE, IN, __, __, __, __, __, F1, __, N1, __, __, T1, __, __, __, __},
	{AR, AR, co, __, bo, bc, __, __, ST, __, __, __, MI, __, ZE, IN, __, __, __, __, __, F1, __, N1, __, __, T1, __, __, __, __},
	{ST, __, ST, ST, ST, ST, ST, ST, qt, ES, ST, ST, ST, ST, ST, ST, ST, ST, ST, ST, ST, ST, ST, ST, ST, ST, ST, ST, ST, ST, ST},
	{__, __, __, __, __, __, __, __, ST, ST, ST, __, __, __, __, __, __, ST, __, __, __, ST, __, ST, ST, __, ST, U1, __, __, __},
	{__, __, __, __, __, __, __, __, __, __, __, __, __, __, U2, U2, U2, U2, U2, U2, U2, U2, __, __, __, __, __, __, U2, U2, __},
	{__, __, __, __, __, __, __, __, __, __, __, __, __, __, U3, U3, U3, U3, U3, U3, U3, U3, __, __, __, __, __, __, U3, U3, __},
	{__, __, __, __, __, __, __, __, __, __, __, __, __, __, U4, U4, U4, U4, U4, U4, U4, U4, __, __, __, __, __, __, U4, U4, __},
	{__, __, __, __, __, __, __, __, __, __, __, __, __, __, ST, ST, ST, ST, ST, ST, ST, ST, __, __, __, __, __, __, ST, ST, __},
	{__, __, __, __, __, __, __, __, __, __, __, __, __, __, ZE, IN, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __},
	{OK, OK, __, cc, __, bc, __, cm, __, __, __, __, __, DT, __, __, __, __, __, __, E1, __, __, __, __, __, __, __, __, E1, __},
	{OK, OK, __, cc, __, bc, __, cm, __, __, __, __, __, DT, IN, IN, __, __, __, __, E1, __, __, __, __, __, __, __, __, E1, __},
	{__, __, __, __, __, __, __, __, __, __, __, __, __, __, FR, FR, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __},
	{OK, OK, __, cc, __, bc, __, cm, __, __, __, __, __, __, FR, FR, __, __, __, __, E1, __, __, __, __, __, __, __, __, E1, __},
	{__, __, __, __, __, __, __, __, __, __, __, E2, E2, __, E3, E3, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __},
	{__, __, __, __, __, __, __, __, __, __, __, __, __, __, E3, E3, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __},
	{OK, OK, __, cc, __, bc, __, cm, __, __, __, __, __, __, E3, E3, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __},
	{__, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, T2, __, __, __, __, __, __},
	{__, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, T3, __, __, __},
	{__, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, OK, __, __, __, __, __, __, __, __, __, __},
	{__, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, F2, __, __, __, __, __, __, __, __, __, __, __, __, __, __},
	{__, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, F3, __, __, __, __, __, __, __, __},
	{__, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, F4, __, __, __, __, __},
	{__, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, OK, __, __, __, __, __, __, __, __, __, __},
	{__, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, N2, __, __, __},
	{__, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, N3, __, __, __, __, __, __, __, __},
	{__, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, __, OK, __, __, __, __, __, __, __, __},
}

StateTransitionTable is the state transition table takes the current state and the current symbol, and returns either a new state or an action. An action is represented as a negative number. A JSON text is accepted if at the end of the text the state is OK and if the mode is DONE.

Types

type Classes

type Classes int8

const (
	C_SPACE Classes = iota /* space */
	C_WHITE                /* other whitespace */
	C_LCURB                /* {  */
	C_RCURB                /* } */
	C_LSQRB                /* [ */
	C_RSQRB                /* ] */
	C_COLON                /* : */
	C_COMMA                /* , */
	C_QUOTE                /* " */
	C_BACKS                /* \ */
	C_SLASH                /* / */
	C_PLUS                 /* + */
	C_MINUS                /* - */
	C_POINT                /* . */
	C_ZERO                 /* 0 */
	C_DIGIT                /* 123456789 */
	C_LOW_A                /* a */
	C_LOW_B                /* b */
	C_LOW_C                /* c */
	C_LOW_D                /* d */
	C_LOW_E                /* e */
	C_LOW_F                /* f */
	C_LOW_L                /* l */
	C_LOW_N                /* n */
	C_LOW_R                /* r */
	C_LOW_S                /* s */
	C_LOW_T                /* t */
	C_LOW_U                /* u */
	C_ABCDF                /* ABCDF */
	C_E                    /* E */
	C_ETC                  /* everything else */
)

enum classes

type States

type States int8

const (
	GO States = iota /* start    */
	OK               /* ok       */
	OB               /* object   */
	KE               /* key      */
	CO               /* colon    */
	VA               /* value    */
	AR               /* array    */
	ST               /* string   */
	ES               /* escape   */
	U1               /* u1       */
	U2               /* u2       */
	U3               /* u3       */
	U4               /* u4       */
	MI               /* minus    */
	ZE               /* zero     */
	IN               /* integer  */
	DT               /* dot      */
	FR               /* fraction */
	E1               /* e        */
	E2               /* ex       */
	E3               /* exp      */
	T1               /* tr       */
	T2               /* tru      */
	T3               /* true     */
	F1               /* fa       */
	F2               /* fal      */
	F3               /* fals     */
	F4               /* false    */
	N1               /* nu       */
	N2               /* nul      */
	N3               /* null     */
)

The state codes.