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758 lines
21 KiB
C
758 lines
21 KiB
C
/* JSON_parser.c */
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/* 2005-12-30 */
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/*
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Copyright (c) 2005 JSON.org
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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The Software shall be used for Good, not Evil.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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*/
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#include "JSON_parser.h"
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#include <stdio.h>
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#define true 1
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#define false 0
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/*
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Characters are mapped into these 32 symbol classes. This allows for
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significant reductions in the size of the state transition table.
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*/
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/* error */
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#define S_ERR -1
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/* space */
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#define S_SPA 0
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/* other whitespace */
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#define S_WSP 1
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/* { */
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#define S_LBE 2
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/* } */
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#define S_RBE 3
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/* [ */
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#define S_LBT 4
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/* ] */
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#define S_RBT 5
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/* : */
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#define S_COL 6
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/* , */
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#define S_COM 7
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/* " */
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#define S_QUO 8
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/* \ */
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#define S_BAC 9
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/* / */
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#define S_SLA 10
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/* + */
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#define S_PLU 11
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/* - */
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#define S_MIN 12
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/* . */
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#define S_DOT 13
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/* 0 */
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#define S_ZER 14
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/* 123456789 */
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#define S_DIG 15
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/* a */
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#define S__A_ 16
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/* b */
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#define S__B_ 17
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/* c */
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#define S__C_ 18
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/* d */
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#define S__D_ 19
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/* e */
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#define S__E_ 20
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/* f */
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#define S__F_ 21
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/* l */
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#define S__L_ 22
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/* n */
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#define S__N_ 23
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/* r */
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#define S__R_ 24
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/* s */
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#define S__S_ 25
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/* t */
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#define S__T_ 26
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/* u */
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#define S__U_ 27
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/* ABCDF */
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#define S_A_F 28
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/* E */
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#define S_E 29
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/* everything else */
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#define S_ETC 30
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/*
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This table maps the 128 ASCII characters into the 32 character classes.
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The remaining Unicode characters should be mapped to S_ETC.
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*/
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static int ascii_class[128] = {
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S_ERR, S_ERR, S_ERR, S_ERR, S_ERR, S_ERR, S_ERR, S_ERR,
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S_ERR, S_WSP, S_WSP, S_ERR, S_ERR, S_WSP, S_ERR, S_ERR,
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S_ERR, S_ERR, S_ERR, S_ERR, S_ERR, S_ERR, S_ERR, S_ERR,
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S_ERR, S_ERR, S_ERR, S_ERR, S_ERR, S_ERR, S_ERR, S_ERR,
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S_SPA, S_ETC, S_QUO, S_ETC, S_ETC, S_ETC, S_ETC, S_ETC,
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S_ETC, S_ETC, S_ETC, S_PLU, S_COM, S_MIN, S_DOT, S_SLA,
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S_ZER, S_DIG, S_DIG, S_DIG, S_DIG, S_DIG, S_DIG, S_DIG,
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S_DIG, S_DIG, S_COL, S_ETC, S_ETC, S_ETC, S_ETC, S_ETC,
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S_ETC, S_A_F, S_A_F, S_A_F, S_A_F, S_E , S_A_F, S_ETC,
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S_ETC, S_ETC, S_ETC, S_ETC, S_ETC, S_ETC, S_ETC, S_ETC,
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S_ETC, S_ETC, S_ETC, S_ETC, S_ETC, S_ETC, S_ETC, S_ETC,
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S_ETC, S_ETC, S_ETC, S_LBT, S_BAC, S_RBT, S_ETC, S_ETC,
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S_ETC, S__A_, S__B_, S__C_, S__D_, S__E_, S__F_, S_ETC,
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S_ETC, S_ETC, S_ETC, S_ETC, S__L_, S_ETC, S__N_, S_ETC,
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S_ETC, S_ETC, S__R_, S__S_, S__T_, S__U_, S_ETC, S_ETC,
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S_ETC, S_ETC, S_ETC, S_LBE, S_ETC, S_RBE, S_ETC, S_ETC
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};
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/*
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The state transition table takes the current state and the current symbol,
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and returns either a new state or an action. A new state is a number between
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0 and 29. An action is a negative number between -1 and -9. A JSON text is
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accepted if the end of the text is in state 9 and mode is MODE_DONE.
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*/
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static int state_transition_table[30][31] = {
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/* 0*/ { 0, 0,-8,-1,-6,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1},
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/* 1*/ { 1, 1,-1,-9,-1,-1,-1,-1, 3,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1},
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/* 2*/ { 2, 2,-8,-1,-6,-5,-1,-1, 3,-1,-1,-1,20,-1,21,22,-1,-1,-1,-1,-1,13,-1,17,-1,-1,10,-1,-1,-1,-1},
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/* 3*/ { 3,-1, 3, 3, 3, 3, 3, 3,-4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3},
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/* 4*/ {-1,-1,-1,-1,-1,-1,-1,-1, 3, 3, 3,-1,-1,-1,-1,-1,-1, 3,-1,-1,-1, 3,-1, 3, 3,-1, 3, 5,-1,-1,-1},
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/* 5*/ {-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, 6, 6, 6, 6, 6, 6, 6, 6,-1,-1,-1,-1,-1,-1, 6, 6,-1},
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/* 6*/ {-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, 7, 7, 7, 7, 7, 7, 7, 7,-1,-1,-1,-1,-1,-1, 7, 7,-1},
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/* 7*/ {-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, 8, 8, 8, 8, 8, 8, 8, 8,-1,-1,-1,-1,-1,-1, 8, 8,-1},
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/* 8*/ {-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, 3, 3, 3, 3, 3, 3, 3, 3,-1,-1,-1,-1,-1,-1, 3, 3,-1},
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/* 9*/ { 9, 9,-1,-7,-1,-5,-1,-3,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1},
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/*10*/ {-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,11,-1,-1,-1,-1,-1,-1},
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/*11*/ {-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,12,-1,-1,-1},
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/*12*/ {-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, 9,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1},
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/*13*/ {-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,14,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1},
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/*14*/ {-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,15,-1,-1,-1,-1,-1,-1,-1,-1},
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/*15*/ {-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,16,-1,-1,-1,-1,-1},
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/*16*/ {-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, 9,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1},
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/*17*/ {-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,18,-1,-1,-1},
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/*18*/ {-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,19,-1,-1,-1,-1,-1,-1,-1,-1},
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/*19*/ {-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, 9,-1,-1,-1,-1,-1,-1,-1,-1},
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/*20*/ {-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,21,22,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1},
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/*21*/ { 9, 9,-1,-7,-1,-5,-1,-3,-1,-1,-1,-1,-1,23,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1},
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/*22*/ { 9, 9,-1,-7,-1,-5,-1,-3,-1,-1,-1,-1,-1,23,22,22,-1,-1,-1,-1,24,-1,-1,-1,-1,-1,-1,-1,-1,24,-1},
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/*23*/ { 9, 9,-1,-7,-1,-5,-1,-3,-1,-1,-1,-1,-1,-1,23,23,-1,-1,-1,-1,24,-1,-1,-1,-1,-1,-1,-1,-1,24,-1},
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/*24*/ {-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,25,25,-1,26,26,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1},
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/*25*/ {-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,26,26,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1},
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/*26*/ { 9, 9,-1,-7,-1,-5,-1,-3,-1,-1,-1,-1,-1,-1,26,26,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1},
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/*27*/ {27,27,-1,-1,-1,-1,-2,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1},
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/*28*/ {28,28,-8,-1,-6,-1,-1,-1, 3,-1,-1,-1,20,-1,21,22,-1,-1,-1,-1,-1,13,-1,17,-1,-1,10,-1,-1,-1,-1},
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/*29*/ {29,29,-1,-1,-1,-1,-1,-1, 3,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1}
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};
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#define JSON_PARSER_MAX_DEPTH 20
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/*
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A stack maintains the states of nested structures.
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*/
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typedef struct json_parser
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{
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int the_stack[JSON_PARSER_MAX_DEPTH];
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zval *the_zstack[JSON_PARSER_MAX_DEPTH];
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int the_top;
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} json_parser;
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/*
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These modes can be pushed on the PDA stack.
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*/
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#define MODE_DONE 1
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#define MODE_KEY 2
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#define MODE_OBJECT 3
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#define MODE_ARRAY 4
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/*
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Push a mode onto the stack. Return false if there is overflow.
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*/
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static int
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push(json_parser *json, zval *z, int mode)
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{
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json->the_top += 1;
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if (json->the_top >= JSON_PARSER_MAX_DEPTH) {
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return false;
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}
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json->the_stack[json->the_top] = mode;
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return true;
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}
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/*
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Pop the stack, assuring that the current mode matches the expectation.
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Return false if there is underflow or if the modes mismatch.
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*/
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static int
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pop(json_parser *json, zval *z, int mode)
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{
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if (json->the_top < 0 || json->the_stack[json->the_top] != mode) {
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return false;
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}
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json->the_stack[json->the_top] = 0;
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json->the_top -= 1;
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return true;
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}
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static int dehexchar(char c)
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{
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if (c >= '0' && c <= '9')
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{
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return c - '0';
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}
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else if (c >= 'A' && c <= 'F')
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{
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return c - ('A' - 10);
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}
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else if (c >= 'a' && c <= 'f')
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{
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return c - ('a' - 10);
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}
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else
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{
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return -1;
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}
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}
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static void json_create_zval(zval **z, smart_str *buf, int type)
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{
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ALLOC_INIT_ZVAL(*z);
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if (type == IS_LONG)
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{
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ZVAL_LONG(*z, atol(buf->c));
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}
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else if (type == IS_DOUBLE)
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{
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ZVAL_DOUBLE(*z, atof(buf->c));
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}
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else if (type == IS_STRING)
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{
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ZVAL_STRINGL(*z, buf->c, buf->len, 1);
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}
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else if (type == IS_BOOL)
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{
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ZVAL_BOOL(*z, (*(buf->c) == 't'));
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}
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else /* type == IS_NULL) || type unknown */
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{
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ZVAL_NULL(*z);
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}
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}
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static void utf16_to_utf8(smart_str *buf, unsigned short utf16)
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{
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if (utf16 < 0x80)
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{
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smart_str_appendc(buf, (unsigned char) utf16);
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}
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else if (utf16 < 0x800)
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{
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smart_str_appendc(buf, 0xc0 | (utf16 >> 6));
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smart_str_appendc(buf, 0x80 | (utf16 & 0x3f));
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}
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else
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{
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smart_str_appendc(buf, 0xe0 | (utf16 >> 12));
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smart_str_appendc(buf, 0x80 | ((utf16 >> 6) & 0x3f));
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smart_str_appendc(buf, 0x80 | (utf16 & 0x3f));
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}
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}
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static void attach_zval(json_parser *json, int up, int cur, smart_str *key, int assoc TSRMLS_DC)
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{
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zval *root = json->the_zstack[up];
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zval *child = json->the_zstack[cur];
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int up_mode = json->the_stack[up];
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if (up_mode == MODE_ARRAY)
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{
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add_next_index_zval(root, child);
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}
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else if (up_mode == MODE_OBJECT)
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{
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if (!assoc)
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{
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add_property_zval_ex(root, (key->len ? key->c : "_empty_"), (key->len ? (key->len + 1) : sizeof("_empty_")), child TSRMLS_CC);
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#if PHP_MAJOR_VERSION >= 5
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ZVAL_DELREF(child);
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#endif
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}
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else
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{
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add_assoc_zval_ex(root, (key->len ? key->c : "_empty_"), (key->len ? (key->len + 1) : sizeof("_empty_")), child);
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}
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key->len = 0;
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}
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}
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#define FREE_BUFFERS() do { smart_str_free(&buf); smart_str_free(&key); } while (0);
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#define SWAP_BUFFERS(from, to) do { \
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char *t1 = from.c; \
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int t2 = from.a; \
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from.c = to.c; \
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from.a = to.a; \
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to.c = t1; \
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to.a = t2; \
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to.len = from.len; \
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from.len = 0; \
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} while(0);
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#define JSON_RESET_TYPE() do { type = -1; } while(0);
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#define JSON(x) the_json.x
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/*
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The JSON_parser takes a UTF-16 encoded string and determines if it is a
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syntactically correct JSON text. Along the way, it creates a PHP variable.
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It is implemented as a Pushdown Automaton; that means it is a finite state
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machine with a stack.
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*/
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int
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JSON_parser(zval *z, unsigned short p[], int length, int assoc TSRMLS_DC)
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{
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int b; /* the next character */
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int c; /* the next character class */
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int s; /* the next state */
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json_parser the_json; /* the parser state */
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int the_state = 0;
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int the_index;
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smart_str buf = {0};
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smart_str key = {0};
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int type = -1;
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unsigned short utf16;
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JSON(the_top) = -1;
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push(&the_json, z, MODE_DONE);
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for (the_index = 0; the_index < length; the_index += 1) {
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b = p[the_index];
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if ((b & 127) == b) {
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c = ascii_class[b];
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if (c <= S_ERR) {
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FREE_BUFFERS();
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return false;
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}
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} else {
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c = S_ETC;
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}
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/*
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Get the next state from the transition table.
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*/
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s = state_transition_table[the_state][c];
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if (s < 0) {
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/*
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Perform one of the predefined actions.
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*/
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switch (s) {
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/*
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empty }
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*/
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case -9:
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if (!pop(&the_json, z, MODE_KEY)) {
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FREE_BUFFERS();
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return false;
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}
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the_state = 9;
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break;
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/*
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{
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*/
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case -8:
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if (!push(&the_json, z, MODE_KEY)) {
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|
FREE_BUFFERS();
|
|
return false;
|
|
}
|
|
|
|
the_state = 1;
|
|
if (JSON(the_top) > 0)
|
|
{
|
|
zval *obj;
|
|
|
|
if (JSON(the_top) == 1)
|
|
{
|
|
obj = z;
|
|
}
|
|
else
|
|
{
|
|
ALLOC_INIT_ZVAL(obj);
|
|
}
|
|
|
|
if (!assoc)
|
|
{
|
|
object_init(obj);
|
|
}
|
|
else
|
|
{
|
|
array_init(obj);
|
|
}
|
|
|
|
JSON(the_zstack)[JSON(the_top)] = obj;
|
|
|
|
if (JSON(the_top) > 1)
|
|
{
|
|
attach_zval(&the_json, JSON(the_top-1), JSON(the_top), &key, assoc TSRMLS_CC);
|
|
}
|
|
|
|
JSON_RESET_TYPE();
|
|
}
|
|
|
|
break;
|
|
/*
|
|
}
|
|
*/
|
|
case -7:
|
|
if (type != -1 &&
|
|
(JSON(the_stack)[JSON(the_top)] == MODE_OBJECT ||
|
|
JSON(the_stack)[JSON(the_top)] == MODE_ARRAY))
|
|
{
|
|
zval *mval;
|
|
smart_str_0(&buf);
|
|
|
|
json_create_zval(&mval, &buf, type);
|
|
|
|
if (!assoc)
|
|
{
|
|
add_property_zval_ex(JSON(the_zstack)[JSON(the_top)], (key.len ? key.c : "_empty_"), (key.len ? (key.len + 1) : sizeof("_empty_")), mval TSRMLS_CC);
|
|
#if PHP_MAJOR_VERSION >= 5
|
|
ZVAL_DELREF(mval);
|
|
#endif
|
|
}
|
|
else
|
|
{
|
|
add_assoc_zval_ex(JSON(the_zstack)[JSON(the_top)], (key.len ? key.c : "_empty_"), (key.len ? (key.len + 1) : sizeof("_empty_")), mval);
|
|
}
|
|
key.len = 0;
|
|
buf.len = 0;
|
|
JSON_RESET_TYPE();
|
|
}
|
|
|
|
|
|
if (!pop(&the_json, z, MODE_OBJECT)) {
|
|
FREE_BUFFERS();
|
|
return false;
|
|
}
|
|
the_state = 9;
|
|
break;
|
|
/*
|
|
[
|
|
*/
|
|
case -6:
|
|
if (!push(&the_json, z, MODE_ARRAY)) {
|
|
FREE_BUFFERS();
|
|
return false;
|
|
}
|
|
the_state = 2;
|
|
|
|
if (JSON(the_top) > 0)
|
|
{
|
|
zval *arr;
|
|
|
|
if (JSON(the_top) == 1)
|
|
{
|
|
arr = z;
|
|
}
|
|
else
|
|
{
|
|
ALLOC_INIT_ZVAL(arr);
|
|
}
|
|
|
|
array_init(arr);
|
|
JSON(the_zstack)[JSON(the_top)] = arr;
|
|
|
|
if (JSON(the_top) > 1)
|
|
{
|
|
attach_zval(&the_json, JSON(the_top-1), JSON(the_top), &key, assoc TSRMLS_CC);
|
|
}
|
|
|
|
JSON_RESET_TYPE();
|
|
}
|
|
|
|
break;
|
|
/*
|
|
]
|
|
*/
|
|
case -5:
|
|
{
|
|
if (type != -1 &&
|
|
(JSON(the_stack)[JSON(the_top)] == MODE_OBJECT ||
|
|
JSON(the_stack)[JSON(the_top)] == MODE_ARRAY))
|
|
{
|
|
zval *mval;
|
|
smart_str_0(&buf);
|
|
|
|
json_create_zval(&mval, &buf, type);
|
|
add_next_index_zval(JSON(the_zstack)[JSON(the_top)], mval);
|
|
buf.len = 0;
|
|
JSON_RESET_TYPE();
|
|
}
|
|
|
|
if (!pop(&the_json, z, MODE_ARRAY)) {
|
|
FREE_BUFFERS();
|
|
return false;
|
|
}
|
|
the_state = 9;
|
|
}
|
|
break;
|
|
/*
|
|
"
|
|
*/
|
|
case -4:
|
|
switch (JSON(the_stack)[JSON(the_top)]) {
|
|
case MODE_KEY:
|
|
the_state = 27;
|
|
smart_str_0(&buf);
|
|
SWAP_BUFFERS(buf, key);
|
|
JSON_RESET_TYPE();
|
|
break;
|
|
case MODE_ARRAY:
|
|
case MODE_OBJECT:
|
|
the_state = 9;
|
|
break;
|
|
default:
|
|
FREE_BUFFERS();
|
|
return false;
|
|
}
|
|
break;
|
|
/*
|
|
,
|
|
*/
|
|
case -3:
|
|
{
|
|
zval *mval;
|
|
|
|
if (type != -1 &&
|
|
(JSON(the_stack)[JSON(the_top)] == MODE_OBJECT ||
|
|
JSON(the_stack[JSON(the_top)]) == MODE_ARRAY))
|
|
{
|
|
smart_str_0(&buf);
|
|
json_create_zval(&mval, &buf, type);
|
|
}
|
|
|
|
switch (JSON(the_stack)[JSON(the_top)]) {
|
|
case MODE_OBJECT:
|
|
if (pop(&the_json, z, MODE_OBJECT) && push(&the_json, z, MODE_KEY)) {
|
|
if (type != -1)
|
|
{
|
|
if (!assoc)
|
|
{
|
|
add_property_zval_ex(JSON(the_zstack)[JSON(the_top)], (key.len ? key.c : "_empty_"), (key.len ? (key.len + 1) : sizeof("_empty_")), mval TSRMLS_CC);
|
|
#if PHP_MAJOR_VERSION >= 5
|
|
ZVAL_DELREF(mval);
|
|
#endif
|
|
}
|
|
else
|
|
{
|
|
add_assoc_zval_ex(JSON(the_zstack)[JSON(the_top)], (key.len ? key.c : "_empty_"), (key.len ? (key.len + 1) : sizeof("_empty_")), mval);
|
|
}
|
|
key.len = 0;
|
|
}
|
|
the_state = 29;
|
|
}
|
|
break;
|
|
case MODE_ARRAY:
|
|
if (type != -1)
|
|
{
|
|
add_next_index_zval(JSON(the_zstack)[JSON(the_top)], mval);
|
|
}
|
|
the_state = 28;
|
|
break;
|
|
default:
|
|
FREE_BUFFERS();
|
|
return false;
|
|
}
|
|
buf.len = 0;
|
|
JSON_RESET_TYPE();
|
|
}
|
|
break;
|
|
/*
|
|
:
|
|
*/
|
|
case -2:
|
|
if (pop(&the_json, z, MODE_KEY) && push(&the_json, z, MODE_OBJECT)) {
|
|
the_state = 28;
|
|
break;
|
|
}
|
|
/*
|
|
syntax error
|
|
*/
|
|
case -1:
|
|
{
|
|
FREE_BUFFERS();
|
|
return false;
|
|
}
|
|
}
|
|
} else {
|
|
/*
|
|
Change the state and iterate.
|
|
*/
|
|
if (type == IS_STRING)
|
|
{
|
|
if (s == 3 && the_state != 8)
|
|
{
|
|
if (the_state != 4)
|
|
{
|
|
utf16_to_utf8(&buf, b);
|
|
}
|
|
else
|
|
{
|
|
switch (b)
|
|
{
|
|
case 'b':
|
|
smart_str_appendc(&buf, '\b');
|
|
break;
|
|
case 't':
|
|
smart_str_appendc(&buf, '\t');
|
|
break;
|
|
case 'n':
|
|
smart_str_appendc(&buf, '\n');
|
|
break;
|
|
case 'f':
|
|
smart_str_appendc(&buf, '\f');
|
|
break;
|
|
case 'r':
|
|
smart_str_appendc(&buf, '\r');
|
|
break;
|
|
default:
|
|
utf16_to_utf8(&buf, b);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
else if (s == 6)
|
|
{
|
|
utf16 = dehexchar(b) << 12;
|
|
}
|
|
else if (s == 7)
|
|
{
|
|
utf16 += dehexchar(b) << 8;
|
|
}
|
|
else if (s == 8)
|
|
{
|
|
utf16 += dehexchar(b) << 4;
|
|
}
|
|
else if (s == 3 && the_state == 8)
|
|
{
|
|
utf16 += dehexchar(b);
|
|
utf16_to_utf8(&buf, utf16);
|
|
}
|
|
}
|
|
else if (type < IS_LONG && (c == S_DIG || c == S_ZER))
|
|
{
|
|
type = IS_LONG;
|
|
smart_str_appendc(&buf, b);
|
|
}
|
|
else if (type == IS_LONG && s == 24)
|
|
{
|
|
type = IS_DOUBLE;
|
|
smart_str_appendc(&buf, b);
|
|
}
|
|
else if (type < IS_DOUBLE && c == S_DOT)
|
|
{
|
|
type = IS_DOUBLE;
|
|
smart_str_appendc(&buf, b);
|
|
}
|
|
else if (type < IS_STRING && c == S_QUO)
|
|
{
|
|
type = IS_STRING;
|
|
}
|
|
else if (type < IS_BOOL && ((the_state == 12 && s == 9) || (the_state == 16 && s == 9)))
|
|
{
|
|
type = IS_BOOL;
|
|
}
|
|
else if (type < IS_NULL && the_state == 19 && s == 9)
|
|
{
|
|
type = IS_NULL;
|
|
}
|
|
else if (type != IS_STRING && c > S_WSP)
|
|
{
|
|
utf16_to_utf8(&buf, b);
|
|
}
|
|
|
|
the_state = s;
|
|
}
|
|
}
|
|
|
|
FREE_BUFFERS();
|
|
|
|
return the_state == 9 && pop(&the_json, z, MODE_DONE);
|
|
}
|
|
|
|
|
|
/*
|
|
* Local variables:
|
|
* tab-width: 4
|
|
* c-basic-offset: 4
|
|
* End:
|
|
* vim600: noet sw=4 ts=4
|
|
* vim<600: noet sw=4 ts=4
|
|
*/
|