Mercurial > vim
annotate src/json.c @ 15547:1dd0a47f4be2 v8.1.0781
patch 8.1.0781: build error when using if_xcmdsrv.c
commit https://github.com/vim/vim/commit/a502caab8bd396316a6eb5cb821b0a0df55c502a
Author: Bram Moolenaar <Bram@vim.org>
Date: Sat Jan 19 18:23:41 2019 +0100
patch 8.1.0781: build error when using if_xcmdsrv.c
Problem: Build error when using if_xcmdsrv.c.
Solution: Add missing part of 8.1.0779.
author | Bram Moolenaar <Bram@vim.org> |
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date | Sat, 19 Jan 2019 18:30:07 +0100 |
parents | 2ad5f0ffaa2e |
children | d89c5b339c2a |
rev | line source |
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1 /* vi:set ts=8 sts=4 sw=4 noet: |
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2 * |
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3 * VIM - Vi IMproved by Bram Moolenaar |
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4 * |
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5 * Do ":help uganda" in Vim to read copying and usage conditions. |
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6 * Do ":help credits" in Vim to see a list of people who contributed. |
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7 * See README.txt for an overview of the Vim source code. |
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8 */ |
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9 |
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10 /* |
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11 * json.c: Encoding and decoding JSON. |
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12 * |
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13 * Follows this standard: https://tools.ietf.org/html/rfc7159.html |
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14 */ |
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15 #define USING_FLOAT_STUFF |
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16 |
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17 #include "vim.h" |
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18 |
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19 #if defined(FEAT_EVAL) || defined(PROTO) |
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20 |
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21 static int json_encode_item(garray_T *gap, typval_T *val, int copyID, int options); |
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22 |
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23 /* |
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24 * Encode "val" into a JSON format string. |
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25 * The result is added to "gap" |
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26 * Returns FAIL on failure and makes gap->ga_data empty. |
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27 */ |
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28 static int |
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29 json_encode_gap(garray_T *gap, typval_T *val, int options) |
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30 { |
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31 if (json_encode_item(gap, val, get_copyID(), options) == FAIL) |
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32 { |
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33 ga_clear(gap); |
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34 gap->ga_data = vim_strsave((char_u *)""); |
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35 return FAIL; |
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36 } |
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37 return OK; |
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38 } |
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39 |
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40 /* |
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41 * Encode "val" into a JSON format string. |
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42 * The result is in allocated memory. |
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43 * The result is empty when encoding fails. |
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44 * "options" can contain JSON_JS, JSON_NO_NONE and JSON_NL. |
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45 */ |
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46 char_u * |
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47 json_encode(typval_T *val, int options) |
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48 { |
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49 garray_T ga; |
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50 |
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51 /* Store bytes in the growarray. */ |
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52 ga_init2(&ga, 1, 4000); |
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53 json_encode_gap(&ga, val, options); |
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54 return ga.ga_data; |
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55 } |
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56 |
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57 /* |
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58 * Encode ["nr", "val"] into a JSON format string in allocated memory. |
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59 * "options" can contain JSON_JS, JSON_NO_NONE and JSON_NL. |
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60 * Returns NULL when out of memory. |
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61 */ |
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62 char_u * |
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63 json_encode_nr_expr(int nr, typval_T *val, int options) |
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64 { |
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65 typval_T listtv; |
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66 typval_T nrtv; |
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67 garray_T ga; |
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68 |
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69 nrtv.v_type = VAR_NUMBER; |
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70 nrtv.vval.v_number = nr; |
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71 if (rettv_list_alloc(&listtv) == FAIL) |
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72 return NULL; |
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73 if (list_append_tv(listtv.vval.v_list, &nrtv) == FAIL |
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74 || list_append_tv(listtv.vval.v_list, val) == FAIL) |
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75 { |
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76 list_unref(listtv.vval.v_list); |
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77 return NULL; |
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78 } |
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79 |
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80 ga_init2(&ga, 1, 4000); |
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81 if (json_encode_gap(&ga, &listtv, options) == OK && (options & JSON_NL)) |
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82 ga_append(&ga, '\n'); |
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83 list_unref(listtv.vval.v_list); |
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84 return ga.ga_data; |
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85 } |
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86 |
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87 static void |
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88 write_string(garray_T *gap, char_u *str) |
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89 { |
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90 char_u *res = str; |
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91 char_u numbuf[NUMBUFLEN]; |
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92 |
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93 if (res == NULL) |
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94 ga_concat(gap, (char_u *)"\"\""); |
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95 else |
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96 { |
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97 #if defined(FEAT_MBYTE) && defined(USE_ICONV) |
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98 vimconv_T conv; |
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99 char_u *converted = NULL; |
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100 |
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101 if (!enc_utf8) |
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102 { |
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103 /* Convert the text from 'encoding' to utf-8, the JSON string is |
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104 * always utf-8. */ |
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105 conv.vc_type = CONV_NONE; |
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106 convert_setup(&conv, p_enc, (char_u*)"utf-8"); |
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107 if (conv.vc_type != CONV_NONE) |
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108 converted = res = string_convert(&conv, res, NULL); |
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109 convert_setup(&conv, NULL, NULL); |
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110 } |
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111 #endif |
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112 ga_append(gap, '"'); |
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113 while (*res != NUL) |
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114 { |
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115 int c; |
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116 #ifdef FEAT_MBYTE |
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117 /* always use utf-8 encoding, ignore 'encoding' */ |
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118 c = utf_ptr2char(res); |
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119 #else |
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120 c = *res; |
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121 #endif |
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122 |
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123 switch (c) |
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124 { |
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125 case 0x08: |
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126 ga_append(gap, '\\'); ga_append(gap, 'b'); break; |
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127 case 0x09: |
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128 ga_append(gap, '\\'); ga_append(gap, 't'); break; |
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129 case 0x0a: |
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130 ga_append(gap, '\\'); ga_append(gap, 'n'); break; |
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131 case 0x0c: |
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132 ga_append(gap, '\\'); ga_append(gap, 'f'); break; |
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133 case 0x0d: |
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134 ga_append(gap, '\\'); ga_append(gap, 'r'); break; |
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135 case 0x22: /* " */ |
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136 case 0x5c: /* \ */ |
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137 ga_append(gap, '\\'); |
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138 ga_append(gap, c); |
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139 break; |
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140 default: |
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141 if (c >= 0x20) |
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142 { |
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143 #ifdef FEAT_MBYTE |
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144 numbuf[utf_char2bytes(c, numbuf)] = NUL; |
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145 #else |
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146 numbuf[0] = c; |
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147 numbuf[1] = NUL; |
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148 #endif |
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149 ga_concat(gap, numbuf); |
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150 } |
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151 else |
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152 { |
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153 vim_snprintf((char *)numbuf, NUMBUFLEN, |
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154 "\\u%04lx", (long)c); |
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155 ga_concat(gap, numbuf); |
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156 } |
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157 } |
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158 #ifdef FEAT_MBYTE |
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159 res += utf_ptr2len(res); |
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160 #else |
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161 ++res; |
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162 #endif |
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163 } |
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164 ga_append(gap, '"'); |
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165 #if defined(FEAT_MBYTE) && defined(USE_ICONV) |
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166 vim_free(converted); |
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167 #endif |
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168 } |
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169 } |
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170 |
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171 /* |
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172 * Return TRUE if "key" can be used without quotes. |
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173 * That is when it starts with a letter and only contains letters, digits and |
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174 * underscore. |
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175 */ |
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176 static int |
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177 is_simple_key(char_u *key) |
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178 { |
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179 char_u *p; |
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180 |
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181 if (!ASCII_ISALPHA(*key)) |
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182 return FALSE; |
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183 for (p = key + 1; *p != NUL; ++p) |
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184 if (!ASCII_ISALPHA(*p) && *p != '_' && !vim_isdigit(*p)) |
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185 return FALSE; |
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186 return TRUE; |
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187 } |
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188 |
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189 /* |
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190 * Encode "val" into "gap". |
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191 * Return FAIL or OK. |
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192 */ |
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193 static int |
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194 json_encode_item(garray_T *gap, typval_T *val, int copyID, int options) |
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195 { |
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196 char_u numbuf[NUMBUFLEN]; |
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197 char_u *res; |
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198 blob_T *b; |
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199 list_T *l; |
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200 dict_T *d; |
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201 int i; |
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202 |
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203 switch (val->v_type) |
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204 { |
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205 case VAR_SPECIAL: |
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206 switch (val->vval.v_number) |
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207 { |
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208 case VVAL_FALSE: ga_concat(gap, (char_u *)"false"); break; |
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209 case VVAL_TRUE: ga_concat(gap, (char_u *)"true"); break; |
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210 case VVAL_NONE: if ((options & JSON_JS) != 0 |
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211 && (options & JSON_NO_NONE) == 0) |
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212 /* empty item */ |
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213 break; |
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214 /* FALLTHROUGH */ |
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215 case VVAL_NULL: ga_concat(gap, (char_u *)"null"); break; |
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216 } |
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217 break; |
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218 |
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219 case VAR_NUMBER: |
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220 vim_snprintf((char *)numbuf, NUMBUFLEN, "%lld", |
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221 (long_long_T)val->vval.v_number); |
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222 ga_concat(gap, numbuf); |
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223 break; |
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224 |
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225 case VAR_STRING: |
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226 res = val->vval.v_string; |
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227 write_string(gap, res); |
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228 break; |
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229 |
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230 case VAR_FUNC: |
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231 case VAR_PARTIAL: |
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232 case VAR_JOB: |
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233 case VAR_CHANNEL: |
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234 /* no JSON equivalent TODO: better error */ |
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235 emsg(_(e_invarg)); |
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236 return FAIL; |
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237 |
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238 case VAR_BLOB: |
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239 b = val->vval.v_blob; |
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240 if (b == NULL || b->bv_ga.ga_len == 0) |
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241 ga_concat(gap, (char_u *)"[]"); |
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242 else |
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243 { |
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244 ga_append(gap, '['); |
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245 for (i = 0; i < b->bv_ga.ga_len; i++) |
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246 { |
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247 if (i > 0) |
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248 ga_concat(gap, (char_u *)","); |
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249 vim_snprintf((char *)numbuf, NUMBUFLEN, "%d", |
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250 (int)blob_get(b, i)); |
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251 ga_concat(gap, numbuf); |
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252 } |
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253 ga_append(gap, ']'); |
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254 } |
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255 break; |
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256 |
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257 case VAR_LIST: |
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258 l = val->vval.v_list; |
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259 if (l == NULL) |
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260 ga_concat(gap, (char_u *)"[]"); |
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261 else |
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262 { |
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263 if (l->lv_copyID == copyID) |
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264 ga_concat(gap, (char_u *)"[]"); |
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265 else |
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266 { |
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267 listitem_T *li; |
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268 |
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269 l->lv_copyID = copyID; |
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270 ga_append(gap, '['); |
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271 for (li = l->lv_first; li != NULL && !got_int; ) |
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272 { |
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273 if (json_encode_item(gap, &li->li_tv, copyID, |
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274 options & JSON_JS) == FAIL) |
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275 return FAIL; |
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276 if ((options & JSON_JS) |
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277 && li->li_next == NULL |
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278 && li->li_tv.v_type == VAR_SPECIAL |
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279 && li->li_tv.vval.v_number == VVAL_NONE) |
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280 /* add an extra comma if the last item is v:none */ |
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281 ga_append(gap, ','); |
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282 li = li->li_next; |
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283 if (li != NULL) |
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284 ga_append(gap, ','); |
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285 } |
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286 ga_append(gap, ']'); |
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287 l->lv_copyID = 0; |
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288 } |
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289 } |
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290 break; |
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291 |
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292 case VAR_DICT: |
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293 d = val->vval.v_dict; |
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294 if (d == NULL) |
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295 ga_concat(gap, (char_u *)"{}"); |
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296 else |
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297 { |
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298 if (d->dv_copyID == copyID) |
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299 ga_concat(gap, (char_u *)"{}"); |
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300 else |
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301 { |
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302 int first = TRUE; |
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303 int todo = (int)d->dv_hashtab.ht_used; |
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304 hashitem_T *hi; |
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305 |
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306 d->dv_copyID = copyID; |
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307 ga_append(gap, '{'); |
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308 |
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309 for (hi = d->dv_hashtab.ht_array; todo > 0 && !got_int; |
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310 ++hi) |
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311 if (!HASHITEM_EMPTY(hi)) |
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312 { |
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313 --todo; |
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314 if (first) |
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315 first = FALSE; |
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316 else |
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317 ga_append(gap, ','); |
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318 if ((options & JSON_JS) |
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319 && is_simple_key(hi->hi_key)) |
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320 ga_concat(gap, hi->hi_key); |
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321 else |
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322 write_string(gap, hi->hi_key); |
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323 ga_append(gap, ':'); |
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324 if (json_encode_item(gap, &dict_lookup(hi)->di_tv, |
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325 copyID, options | JSON_NO_NONE) == FAIL) |
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326 return FAIL; |
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327 } |
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328 ga_append(gap, '}'); |
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329 d->dv_copyID = 0; |
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330 } |
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331 } |
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332 break; |
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333 |
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334 case VAR_FLOAT: |
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335 #ifdef FEAT_FLOAT |
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336 # if defined(HAVE_MATH_H) |
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337 if (isnan(val->vval.v_float)) |
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338 ga_concat(gap, (char_u *)"NaN"); |
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339 else if (isinf(val->vval.v_float)) |
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340 { |
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341 if (val->vval.v_float < 0.0) |
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342 ga_concat(gap, (char_u *)"-Infinity"); |
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343 else |
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344 ga_concat(gap, (char_u *)"Infinity"); |
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345 } |
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346 else |
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347 # endif |
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348 { |
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349 vim_snprintf((char *)numbuf, NUMBUFLEN, "%g", |
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350 val->vval.v_float); |
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351 ga_concat(gap, numbuf); |
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352 } |
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353 break; |
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354 #endif |
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355 case VAR_UNKNOWN: |
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356 internal_error("json_encode_item()"); |
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357 return FAIL; |
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358 } |
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359 return OK; |
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360 } |
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361 |
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362 /* |
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363 * When "reader" has less than NUMBUFLEN bytes available, call the fill |
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364 * callback to get more. |
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365 */ |
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366 static void |
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367 fill_numbuflen(js_read_T *reader) |
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368 { |
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369 if (reader->js_fill != NULL && (int)(reader->js_end - reader->js_buf) |
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370 - reader->js_used < NUMBUFLEN) |
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371 { |
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372 if (reader->js_fill(reader)) |
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373 reader->js_end = reader->js_buf + STRLEN(reader->js_buf); |
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374 } |
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375 } |
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376 |
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377 /* |
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378 * Skip white space in "reader". All characters <= space are considered white |
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379 * space. |
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380 * Also tops up readahead when needed. |
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381 */ |
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382 static void |
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383 json_skip_white(js_read_T *reader) |
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384 { |
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385 int c; |
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386 |
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387 for (;;) |
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388 { |
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389 c = reader->js_buf[reader->js_used]; |
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390 if (reader->js_fill != NULL && c == NUL) |
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391 { |
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392 if (reader->js_fill(reader)) |
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393 { |
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394 reader->js_end = reader->js_buf + STRLEN(reader->js_buf); |
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395 continue; |
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396 } |
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397 } |
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398 if (c == NUL || c > ' ') |
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399 break; |
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400 ++reader->js_used; |
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401 } |
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402 fill_numbuflen(reader); |
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403 } |
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404 |
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405 static int |
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406 json_decode_string(js_read_T *reader, typval_T *res, int quote) |
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407 { |
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408 garray_T ga; |
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409 int len; |
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410 char_u *p; |
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411 int c; |
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412 varnumber_T nr; |
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413 |
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414 if (res != NULL) |
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415 ga_init2(&ga, 1, 200); |
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416 |
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417 p = reader->js_buf + reader->js_used + 1; /* skip over " or ' */ |
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418 while (*p != quote) |
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419 { |
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420 /* The JSON is always expected to be utf-8, thus use utf functions |
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421 * here. The string is converted below if needed. */ |
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422 if (*p == NUL || p[1] == NUL |
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423 #ifdef FEAT_MBYTE |
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424 || utf_ptr2len(p) < utf_byte2len(*p) |
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425 #endif |
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426 ) |
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427 { |
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428 /* Not enough bytes to make a character or end of the string. Get |
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429 * more if possible. */ |
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430 if (reader->js_fill == NULL) |
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431 break; |
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432 len = (int)(reader->js_end - p); |
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433 reader->js_used = (int)(p - reader->js_buf); |
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434 if (!reader->js_fill(reader)) |
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435 break; /* didn't get more */ |
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436 p = reader->js_buf + reader->js_used; |
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437 reader->js_end = reader->js_buf + STRLEN(reader->js_buf); |
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438 continue; |
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439 } |
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440 |
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441 if (*p == '\\') |
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442 { |
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443 c = -1; |
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444 switch (p[1]) |
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445 { |
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446 case '\\': c = '\\'; break; |
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447 case '"': c = '"'; break; |
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448 case 'b': c = BS; break; |
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449 case 't': c = TAB; break; |
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450 case 'n': c = NL; break; |
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451 case 'f': c = FF; break; |
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452 case 'r': c = CAR; break; |
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453 case 'u': |
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454 if (reader->js_fill != NULL |
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455 && (int)(reader->js_end - p) < NUMBUFLEN) |
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456 { |
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457 reader->js_used = (int)(p - reader->js_buf); |
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458 if (reader->js_fill(reader)) |
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459 { |
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460 p = reader->js_buf + reader->js_used; |
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461 reader->js_end = reader->js_buf |
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462 + STRLEN(reader->js_buf); |
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463 } |
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464 } |
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465 nr = 0; |
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466 len = 0; |
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467 vim_str2nr(p + 2, NULL, &len, |
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468 STR2NR_HEX + STR2NR_FORCE, &nr, NULL, 4); |
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469 p += len + 2; |
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470 if (0xd800 <= nr && nr <= 0xdfff |
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471 && (int)(reader->js_end - p) >= 6 |
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472 && *p == '\\' && *(p+1) == 'u') |
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473 { |
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474 varnumber_T nr2 = 0; |
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475 |
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476 /* decode surrogate pair: \ud812\u3456 */ |
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477 len = 0; |
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478 vim_str2nr(p + 2, NULL, &len, |
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479 STR2NR_HEX + STR2NR_FORCE, &nr2, NULL, 4); |
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480 if (0xdc00 <= nr2 && nr2 <= 0xdfff) |
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481 { |
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482 p += len + 2; |
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483 nr = (((nr - 0xd800) << 10) | |
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484 ((nr2 - 0xdc00) & 0x3ff)) + 0x10000; |
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485 } |
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486 } |
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487 if (res != NULL) |
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488 { |
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489 #ifdef FEAT_MBYTE |
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490 char_u buf[NUMBUFLEN]; |
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491 buf[utf_char2bytes((int)nr, buf)] = NUL; |
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492 ga_concat(&ga, buf); |
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493 #else |
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494 ga_append(&ga, (int)nr); |
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495 #endif |
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496 } |
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497 break; |
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498 default: |
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499 /* not a special char, skip over \ */ |
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500 ++p; |
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501 continue; |
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502 } |
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503 if (c > 0) |
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504 { |
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505 p += 2; |
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506 if (res != NULL) |
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507 ga_append(&ga, c); |
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508 } |
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509 } |
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510 else |
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511 { |
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512 #ifdef FEAT_MBYTE |
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513 len = utf_ptr2len(p); |
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514 #else |
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515 len = 1; |
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516 #endif |
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517 if (res != NULL) |
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518 { |
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519 if (ga_grow(&ga, len) == FAIL) |
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520 { |
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521 ga_clear(&ga); |
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522 return FAIL; |
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523 } |
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524 mch_memmove((char *)ga.ga_data + ga.ga_len, p, (size_t)len); |
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525 ga.ga_len += len; |
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526 } |
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527 p += len; |
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528 } |
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529 } |
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530 |
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531 reader->js_used = (int)(p - reader->js_buf); |
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532 if (*p == quote) |
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533 { |
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534 ++reader->js_used; |
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535 if (res != NULL) |
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536 { |
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537 ga_append(&ga, NUL); |
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538 res->v_type = VAR_STRING; |
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539 #if defined(FEAT_MBYTE) && defined(USE_ICONV) |
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540 if (!enc_utf8) |
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541 { |
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542 vimconv_T conv; |
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543 |
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544 /* Convert the utf-8 string to 'encoding'. */ |
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545 conv.vc_type = CONV_NONE; |
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546 convert_setup(&conv, (char_u*)"utf-8", p_enc); |
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547 if (conv.vc_type != CONV_NONE) |
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548 { |
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549 res->vval.v_string = |
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550 string_convert(&conv, ga.ga_data, NULL); |
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551 vim_free(ga.ga_data); |
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552 } |
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553 convert_setup(&conv, NULL, NULL); |
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554 } |
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555 else |
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556 #endif |
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557 res->vval.v_string = ga.ga_data; |
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558 } |
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559 return OK; |
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560 } |
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561 if (res != NULL) |
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562 { |
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563 res->v_type = VAR_SPECIAL; |
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564 res->vval.v_number = VVAL_NONE; |
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565 ga_clear(&ga); |
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566 } |
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567 return MAYBE; |
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568 } |
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569 |
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570 typedef enum { |
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571 JSON_ARRAY, /* parsing items in an array */ |
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572 JSON_OBJECT_KEY, /* parsing key of an object */ |
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573 JSON_OBJECT /* parsing item in an object, after the key */ |
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574 } json_decode_T; |
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575 |
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576 typedef struct { |
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577 json_decode_T jd_type; |
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578 typval_T jd_tv; /* the list or dict */ |
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579 typval_T jd_key_tv; |
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580 char_u *jd_key; |
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581 } json_dec_item_T; |
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582 |
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583 /* |
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584 * Decode one item and put it in "res". If "res" is NULL only advance. |
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585 * Must already have skipped white space. |
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586 * |
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587 * Return FAIL for a decoding error (and give an error). |
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588 * Return MAYBE for an incomplete message. |
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589 */ |
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590 static int |
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591 json_decode_item(js_read_T *reader, typval_T *res, int options) |
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592 { |
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593 char_u *p; |
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594 int len; |
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595 int retval; |
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596 garray_T stack; |
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597 typval_T item; |
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598 typval_T *cur_item; |
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599 json_dec_item_T *top_item; |
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600 char_u key_buf[NUMBUFLEN]; |
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601 |
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602 ga_init2(&stack, sizeof(json_dec_item_T), 100); |
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603 cur_item = res; |
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604 init_tv(&item); |
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605 if (res != NULL) |
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606 init_tv(res); |
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607 |
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608 fill_numbuflen(reader); |
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609 p = reader->js_buf + reader->js_used; |
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610 for (;;) |
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611 { |
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612 top_item = NULL; |
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613 if (stack.ga_len > 0) |
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614 { |
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615 top_item = ((json_dec_item_T *)stack.ga_data) + stack.ga_len - 1; |
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616 json_skip_white(reader); |
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617 p = reader->js_buf + reader->js_used; |
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618 if (*p == NUL) |
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619 { |
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620 retval = MAYBE; |
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621 if (top_item->jd_type == JSON_OBJECT) |
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622 /* did get the key, clear it */ |
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623 clear_tv(&top_item->jd_key_tv); |
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624 goto theend; |
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625 } |
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626 if (top_item->jd_type == JSON_OBJECT_KEY |
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627 || top_item->jd_type == JSON_ARRAY) |
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628 { |
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629 /* Check for end of object or array. */ |
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630 if (*p == (top_item->jd_type == JSON_ARRAY ? ']' : '}')) |
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631 { |
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632 ++reader->js_used; /* consume the ']' or '}' */ |
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633 --stack.ga_len; |
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634 if (stack.ga_len == 0) |
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635 { |
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636 retval = OK; |
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637 goto theend; |
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10553
diff
changeset
|
638 } |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
639 if (cur_item != NULL) |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
640 cur_item = &top_item->jd_tv; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
641 goto item_end; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
642 } |
10553
f83b6a0b6148
patch 8.0.0166: JSON with a duplicate key gives an internal error
Christian Brabandt <cb@256bit.org>
parents:
10359
diff
changeset
|
643 } |
10559
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
644 } |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
645 |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
646 if (top_item != NULL && top_item->jd_type == JSON_OBJECT_KEY |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
647 && (options & JSON_JS) |
10563
bac9cec298ed
patch 8.0.0171: JS style JSON does not support single quotes
Christian Brabandt <cb@256bit.org>
parents:
10561
diff
changeset
|
648 && reader->js_buf[reader->js_used] != '"' |
13456
7495e3ee1a69
patch 8.0.1602: crash in parsing JSON
Christian Brabandt <cb@256bit.org>
parents:
13031
diff
changeset
|
649 && reader->js_buf[reader->js_used] != '\'' |
7495e3ee1a69
patch 8.0.1602: crash in parsing JSON
Christian Brabandt <cb@256bit.org>
parents:
13031
diff
changeset
|
650 && reader->js_buf[reader->js_used] != '[' |
7495e3ee1a69
patch 8.0.1602: crash in parsing JSON
Christian Brabandt <cb@256bit.org>
parents:
13031
diff
changeset
|
651 && reader->js_buf[reader->js_used] != '{') |
10559
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
652 { |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
653 char_u *key; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
654 |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
655 /* accept an object key that is not in quotes */ |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
656 key = p = reader->js_buf + reader->js_used; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
657 while (*p != NUL && *p != ':' && *p > ' ') |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
658 ++p; |
10652
bb4360d64eb2
patch 8.0.0216: decoding js style json may fail
Christian Brabandt <cb@256bit.org>
parents:
10581
diff
changeset
|
659 if (cur_item != NULL) |
bb4360d64eb2
patch 8.0.0216: decoding js style json may fail
Christian Brabandt <cb@256bit.org>
parents:
10581
diff
changeset
|
660 { |
bb4360d64eb2
patch 8.0.0216: decoding js style json may fail
Christian Brabandt <cb@256bit.org>
parents:
10581
diff
changeset
|
661 cur_item->v_type = VAR_STRING; |
bb4360d64eb2
patch 8.0.0216: decoding js style json may fail
Christian Brabandt <cb@256bit.org>
parents:
10581
diff
changeset
|
662 cur_item->vval.v_string = vim_strnsave(key, (int)(p - key)); |
bb4360d64eb2
patch 8.0.0216: decoding js style json may fail
Christian Brabandt <cb@256bit.org>
parents:
10581
diff
changeset
|
663 top_item->jd_key = cur_item->vval.v_string; |
bb4360d64eb2
patch 8.0.0216: decoding js style json may fail
Christian Brabandt <cb@256bit.org>
parents:
10581
diff
changeset
|
664 } |
10559
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
665 reader->js_used += (int)(p - key); |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
666 } |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
667 else |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
668 { |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
669 switch (*p) |
7883
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
670 { |
10559
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
671 case '[': /* start of array */ |
13456
7495e3ee1a69
patch 8.0.1602: crash in parsing JSON
Christian Brabandt <cb@256bit.org>
parents:
13031
diff
changeset
|
672 if (top_item && top_item->jd_type == JSON_OBJECT_KEY) |
7495e3ee1a69
patch 8.0.1602: crash in parsing JSON
Christian Brabandt <cb@256bit.org>
parents:
13031
diff
changeset
|
673 { |
7495e3ee1a69
patch 8.0.1602: crash in parsing JSON
Christian Brabandt <cb@256bit.org>
parents:
13031
diff
changeset
|
674 retval = FAIL; |
7495e3ee1a69
patch 8.0.1602: crash in parsing JSON
Christian Brabandt <cb@256bit.org>
parents:
13031
diff
changeset
|
675 break; |
7495e3ee1a69
patch 8.0.1602: crash in parsing JSON
Christian Brabandt <cb@256bit.org>
parents:
13031
diff
changeset
|
676 } |
10559
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
677 if (ga_grow(&stack, 1) == FAIL) |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
678 { |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
679 retval = FAIL; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
680 break; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
681 } |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
682 if (cur_item != NULL && rettv_list_alloc(cur_item) == FAIL) |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
683 { |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
684 cur_item->v_type = VAR_SPECIAL; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
685 cur_item->vval.v_number = VVAL_NONE; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
686 retval = FAIL; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
687 break; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
688 } |
7712
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
689 |
10559
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
690 ++reader->js_used; /* consume the '[' */ |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
691 top_item = ((json_dec_item_T *)stack.ga_data) |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
692 + stack.ga_len; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
693 top_item->jd_type = JSON_ARRAY; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
694 ++stack.ga_len; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
695 if (cur_item != NULL) |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
696 { |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
697 top_item->jd_tv = *cur_item; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
698 cur_item = &item; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
699 } |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
700 continue; |
7883
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
701 |
10559
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
702 case '{': /* start of object */ |
13456
7495e3ee1a69
patch 8.0.1602: crash in parsing JSON
Christian Brabandt <cb@256bit.org>
parents:
13031
diff
changeset
|
703 if (top_item && top_item->jd_type == JSON_OBJECT_KEY) |
7495e3ee1a69
patch 8.0.1602: crash in parsing JSON
Christian Brabandt <cb@256bit.org>
parents:
13031
diff
changeset
|
704 { |
7495e3ee1a69
patch 8.0.1602: crash in parsing JSON
Christian Brabandt <cb@256bit.org>
parents:
13031
diff
changeset
|
705 retval = FAIL; |
7495e3ee1a69
patch 8.0.1602: crash in parsing JSON
Christian Brabandt <cb@256bit.org>
parents:
13031
diff
changeset
|
706 break; |
7495e3ee1a69
patch 8.0.1602: crash in parsing JSON
Christian Brabandt <cb@256bit.org>
parents:
13031
diff
changeset
|
707 } |
10559
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
708 if (ga_grow(&stack, 1) == FAIL) |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
709 { |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
710 retval = FAIL; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
711 break; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
712 } |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
713 if (cur_item != NULL && rettv_dict_alloc(cur_item) == FAIL) |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
714 { |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
715 cur_item->v_type = VAR_SPECIAL; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
716 cur_item->vval.v_number = VVAL_NONE; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
717 retval = FAIL; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
718 break; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
719 } |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
720 |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
721 ++reader->js_used; /* consume the '{' */ |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
722 top_item = ((json_dec_item_T *)stack.ga_data) |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
723 + stack.ga_len; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
724 top_item->jd_type = JSON_OBJECT_KEY; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
725 ++stack.ga_len; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
726 if (cur_item != NULL) |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
727 { |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
728 top_item->jd_tv = *cur_item; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
729 cur_item = &top_item->jd_key_tv; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
730 } |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
731 continue; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
732 |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
733 case '"': /* string */ |
10563
bac9cec298ed
patch 8.0.0171: JS style JSON does not support single quotes
Christian Brabandt <cb@256bit.org>
parents:
10561
diff
changeset
|
734 retval = json_decode_string(reader, cur_item, *p); |
bac9cec298ed
patch 8.0.0171: JS style JSON does not support single quotes
Christian Brabandt <cb@256bit.org>
parents:
10561
diff
changeset
|
735 break; |
bac9cec298ed
patch 8.0.0171: JS style JSON does not support single quotes
Christian Brabandt <cb@256bit.org>
parents:
10561
diff
changeset
|
736 |
bac9cec298ed
patch 8.0.0171: JS style JSON does not support single quotes
Christian Brabandt <cb@256bit.org>
parents:
10561
diff
changeset
|
737 case '\'': |
bac9cec298ed
patch 8.0.0171: JS style JSON does not support single quotes
Christian Brabandt <cb@256bit.org>
parents:
10561
diff
changeset
|
738 if (options & JSON_JS) |
bac9cec298ed
patch 8.0.0171: JS style JSON does not support single quotes
Christian Brabandt <cb@256bit.org>
parents:
10561
diff
changeset
|
739 retval = json_decode_string(reader, cur_item, *p); |
bac9cec298ed
patch 8.0.0171: JS style JSON does not support single quotes
Christian Brabandt <cb@256bit.org>
parents:
10561
diff
changeset
|
740 else |
bac9cec298ed
patch 8.0.0171: JS style JSON does not support single quotes
Christian Brabandt <cb@256bit.org>
parents:
10561
diff
changeset
|
741 { |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15454
diff
changeset
|
742 emsg(_(e_invarg)); |
10563
bac9cec298ed
patch 8.0.0171: JS style JSON does not support single quotes
Christian Brabandt <cb@256bit.org>
parents:
10561
diff
changeset
|
743 retval = FAIL; |
bac9cec298ed
patch 8.0.0171: JS style JSON does not support single quotes
Christian Brabandt <cb@256bit.org>
parents:
10561
diff
changeset
|
744 } |
10559
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
745 break; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
746 |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
747 case ',': /* comma: empty item */ |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
748 if ((options & JSON_JS) == 0) |
10553
f83b6a0b6148
patch 8.0.0166: JSON with a duplicate key gives an internal error
Christian Brabandt <cb@256bit.org>
parents:
10359
diff
changeset
|
749 { |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15454
diff
changeset
|
750 emsg(_(e_invarg)); |
10559
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
751 retval = FAIL; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
752 break; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
753 } |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
754 /* FALLTHROUGH */ |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
755 case NUL: /* empty */ |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
756 if (cur_item != NULL) |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
757 { |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
758 cur_item->v_type = VAR_SPECIAL; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
759 cur_item->vval.v_number = VVAL_NONE; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
760 } |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
761 retval = OK; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
762 break; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
763 |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
764 default: |
15446
8ac454818352
patch 8.1.0731: JS encoding does not handle negative infinity
Bram Moolenaar <Bram@vim.org>
parents:
15211
diff
changeset
|
765 if (VIM_ISDIGIT(*p) || (*p == '-' && VIM_ISDIGIT(p[1]))) |
10559
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
766 { |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
767 #ifdef FEAT_FLOAT |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
768 char_u *sp = p; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
769 |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
770 if (*sp == '-') |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
771 { |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
772 ++sp; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
773 if (*sp == NUL) |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
774 { |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
775 retval = MAYBE; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
776 break; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
777 } |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
778 if (!VIM_ISDIGIT(*sp)) |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
779 { |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15454
diff
changeset
|
780 emsg(_(e_invarg)); |
10559
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
781 retval = FAIL; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
782 break; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
783 } |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
784 } |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
785 sp = skipdigits(sp); |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
786 if (*sp == '.' || *sp == 'e' || *sp == 'E') |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
787 { |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
788 if (cur_item == NULL) |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
789 { |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
790 float_T f; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
791 |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
792 len = string2float(p, &f); |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
793 } |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
794 else |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
795 { |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
796 cur_item->v_type = VAR_FLOAT; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
797 len = string2float(p, &cur_item->vval.v_float); |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
798 } |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
799 } |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
800 else |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
801 #endif |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
802 { |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
803 varnumber_T nr; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
804 |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
805 vim_str2nr(reader->js_buf + reader->js_used, |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
806 NULL, &len, 0, /* what */ |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
807 &nr, NULL, 0); |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
808 if (cur_item != NULL) |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
809 { |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
810 cur_item->v_type = VAR_NUMBER; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
811 cur_item->vval.v_number = nr; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
812 } |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
813 } |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
814 reader->js_used += len; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
815 retval = OK; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
816 break; |
10553
f83b6a0b6148
patch 8.0.0166: JSON with a duplicate key gives an internal error
Christian Brabandt <cb@256bit.org>
parents:
10359
diff
changeset
|
817 } |
10559
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
818 if (STRNICMP((char *)p, "false", 5) == 0) |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
819 { |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
820 reader->js_used += 5; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
821 if (cur_item != NULL) |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
822 { |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
823 cur_item->v_type = VAR_SPECIAL; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
824 cur_item->vval.v_number = VVAL_FALSE; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
825 } |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
826 retval = OK; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
827 break; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
828 } |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
829 if (STRNICMP((char *)p, "true", 4) == 0) |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
830 { |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
831 reader->js_used += 4; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
832 if (cur_item != NULL) |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
833 { |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
834 cur_item->v_type = VAR_SPECIAL; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
835 cur_item->vval.v_number = VVAL_TRUE; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
836 } |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
837 retval = OK; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
838 break; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
839 } |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
840 if (STRNICMP((char *)p, "null", 4) == 0) |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
841 { |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
842 reader->js_used += 4; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
843 if (cur_item != NULL) |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
844 { |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
845 cur_item->v_type = VAR_SPECIAL; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
846 cur_item->vval.v_number = VVAL_NULL; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
847 } |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
848 retval = OK; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
849 break; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
850 } |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
851 #ifdef FEAT_FLOAT |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
852 if (STRNICMP((char *)p, "NaN", 3) == 0) |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
853 { |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
854 reader->js_used += 3; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
855 if (cur_item != NULL) |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
856 { |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
857 cur_item->v_type = VAR_FLOAT; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
858 cur_item->vval.v_float = NAN; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
859 } |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
860 retval = OK; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
861 break; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
862 } |
15446
8ac454818352
patch 8.1.0731: JS encoding does not handle negative infinity
Bram Moolenaar <Bram@vim.org>
parents:
15211
diff
changeset
|
863 if (STRNICMP((char *)p, "-Infinity", 9) == 0) |
8ac454818352
patch 8.1.0731: JS encoding does not handle negative infinity
Bram Moolenaar <Bram@vim.org>
parents:
15211
diff
changeset
|
864 { |
8ac454818352
patch 8.1.0731: JS encoding does not handle negative infinity
Bram Moolenaar <Bram@vim.org>
parents:
15211
diff
changeset
|
865 reader->js_used += 9; |
8ac454818352
patch 8.1.0731: JS encoding does not handle negative infinity
Bram Moolenaar <Bram@vim.org>
parents:
15211
diff
changeset
|
866 if (cur_item != NULL) |
8ac454818352
patch 8.1.0731: JS encoding does not handle negative infinity
Bram Moolenaar <Bram@vim.org>
parents:
15211
diff
changeset
|
867 { |
8ac454818352
patch 8.1.0731: JS encoding does not handle negative infinity
Bram Moolenaar <Bram@vim.org>
parents:
15211
diff
changeset
|
868 cur_item->v_type = VAR_FLOAT; |
8ac454818352
patch 8.1.0731: JS encoding does not handle negative infinity
Bram Moolenaar <Bram@vim.org>
parents:
15211
diff
changeset
|
869 cur_item->vval.v_float = -INFINITY; |
8ac454818352
patch 8.1.0731: JS encoding does not handle negative infinity
Bram Moolenaar <Bram@vim.org>
parents:
15211
diff
changeset
|
870 } |
8ac454818352
patch 8.1.0731: JS encoding does not handle negative infinity
Bram Moolenaar <Bram@vim.org>
parents:
15211
diff
changeset
|
871 retval = OK; |
8ac454818352
patch 8.1.0731: JS encoding does not handle negative infinity
Bram Moolenaar <Bram@vim.org>
parents:
15211
diff
changeset
|
872 break; |
8ac454818352
patch 8.1.0731: JS encoding does not handle negative infinity
Bram Moolenaar <Bram@vim.org>
parents:
15211
diff
changeset
|
873 } |
10559
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
874 if (STRNICMP((char *)p, "Infinity", 8) == 0) |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
875 { |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
876 reader->js_used += 8; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
877 if (cur_item != NULL) |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
878 { |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
879 cur_item->v_type = VAR_FLOAT; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
880 cur_item->vval.v_float = INFINITY; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
881 } |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
882 retval = OK; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
883 break; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
884 } |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
885 #endif |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
886 /* check for truncated name */ |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
887 len = (int)(reader->js_end - (reader->js_buf + reader->js_used)); |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
888 if ( |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
889 (len < 5 && STRNICMP((char *)p, "false", len) == 0) |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
890 #ifdef FEAT_FLOAT |
15446
8ac454818352
patch 8.1.0731: JS encoding does not handle negative infinity
Bram Moolenaar <Bram@vim.org>
parents:
15211
diff
changeset
|
891 || (len < 9 && STRNICMP((char *)p, "-Infinity", len) == 0) |
10559
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
892 || (len < 8 && STRNICMP((char *)p, "Infinity", len) == 0) |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
893 || (len < 3 && STRNICMP((char *)p, "NaN", len) == 0) |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
894 #endif |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
895 || (len < 4 && (STRNICMP((char *)p, "true", len) == 0 |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
896 || STRNICMP((char *)p, "null", len) == 0))) |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
897 |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
898 retval = MAYBE; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
899 else |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
900 retval = FAIL; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
901 break; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
902 } |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
903 |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
904 /* We are finished when retval is FAIL or MAYBE and when at the |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
905 * toplevel. */ |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
906 if (retval == FAIL) |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
907 break; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
908 if (retval == MAYBE || stack.ga_len == 0) |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
909 goto theend; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
910 |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
911 if (top_item != NULL && top_item->jd_type == JSON_OBJECT_KEY |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
912 && cur_item != NULL) |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
913 { |
15211
de63593896b3
patch 8.1.0615: get_tv function names are not consistent
Bram Moolenaar <Bram@vim.org>
parents:
14862
diff
changeset
|
914 top_item->jd_key = tv_get_string_buf_chk(cur_item, key_buf); |
10839
287049007bbc
patch 8.0.0309: cannot use an empty key in json
Christian Brabandt <cb@256bit.org>
parents:
10652
diff
changeset
|
915 if (top_item->jd_key == NULL) |
7712
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
916 { |
10559
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
917 clear_tv(cur_item); |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15454
diff
changeset
|
918 emsg(_(e_invarg)); |
10559
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
919 retval = FAIL; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
920 goto theend; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
921 } |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
922 } |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
923 } |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
924 |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
925 item_end: |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
926 top_item = ((json_dec_item_T *)stack.ga_data) + stack.ga_len - 1; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
927 switch (top_item->jd_type) |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
928 { |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
929 case JSON_ARRAY: |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
930 if (res != NULL) |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
931 { |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
932 listitem_T *li = listitem_alloc(); |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
933 |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
934 if (li == NULL) |
7883
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
935 { |
10559
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
936 clear_tv(cur_item); |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
937 retval = FAIL; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
938 goto theend; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
939 } |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
940 li->li_tv = *cur_item; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
941 list_append(top_item->jd_tv.vval.v_list, li); |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
942 } |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
943 if (cur_item != NULL) |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
944 cur_item = &item; |
7883
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
945 |
10559
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
946 json_skip_white(reader); |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
947 p = reader->js_buf + reader->js_used; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
948 if (*p == ',') |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
949 ++reader->js_used; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
950 else if (*p != ']') |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
951 { |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
952 if (*p == NUL) |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
953 retval = MAYBE; |
7883
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
954 else |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
955 { |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15454
diff
changeset
|
956 emsg(_(e_invarg)); |
10559
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
957 retval = FAIL; |
7883
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
958 } |
10559
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
959 goto theend; |
7712
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
960 } |
10559
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
961 break; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
962 |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
963 case JSON_OBJECT_KEY: |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
964 json_skip_white(reader); |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
965 p = reader->js_buf + reader->js_used; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
966 if (*p != ':') |
7712
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
967 { |
10559
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
968 if (cur_item != NULL) |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
969 clear_tv(cur_item); |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
970 if (*p == NUL) |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
971 retval = MAYBE; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
972 else |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
973 { |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15454
diff
changeset
|
974 emsg(_(e_invarg)); |
10559
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
975 retval = FAIL; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
976 } |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
977 goto theend; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
978 } |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
979 ++reader->js_used; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
980 json_skip_white(reader); |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
981 top_item->jd_type = JSON_OBJECT; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
982 if (cur_item != NULL) |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
983 cur_item = &item; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
984 break; |
7712
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
985 |
10559
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
986 case JSON_OBJECT: |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
987 if (cur_item != NULL |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
988 && dict_find(top_item->jd_tv.vval.v_dict, |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
989 top_item->jd_key, -1) != NULL) |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
990 { |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15454
diff
changeset
|
991 semsg(_("E938: Duplicate key in JSON: \"%s\""), |
10559
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
992 top_item->jd_key); |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
993 clear_tv(&top_item->jd_key_tv); |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
994 clear_tv(cur_item); |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
995 retval = FAIL; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
996 goto theend; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
997 } |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
998 |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
999 if (cur_item != NULL) |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
1000 { |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
1001 dictitem_T *di = dictitem_alloc(top_item->jd_key); |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
1002 |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
1003 clear_tv(&top_item->jd_key_tv); |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
1004 if (di == NULL) |
7883
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
1005 { |
10559
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
1006 clear_tv(cur_item); |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
1007 retval = FAIL; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
1008 goto theend; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
1009 } |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
1010 di->di_tv = *cur_item; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
1011 di->di_tv.v_lock = 0; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
1012 if (dict_add(top_item->jd_tv.vval.v_dict, di) == FAIL) |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
1013 { |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
1014 dictitem_free(di); |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
1015 retval = FAIL; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
1016 goto theend; |
7883
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
1017 } |
7712
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
1018 } |
10559
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
1019 |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
1020 json_skip_white(reader); |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
1021 p = reader->js_buf + reader->js_used; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
1022 if (*p == ',') |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
1023 ++reader->js_used; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
1024 else if (*p != '}') |
7883
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
1025 { |
10559
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
1026 if (*p == NUL) |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
1027 retval = MAYBE; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
1028 else |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
1029 { |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15454
diff
changeset
|
1030 emsg(_(e_invarg)); |
10559
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
1031 retval = FAIL; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
1032 } |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
1033 goto theend; |
7883
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
1034 } |
10559
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
1035 top_item->jd_type = JSON_OBJECT_KEY; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
1036 if (cur_item != NULL) |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
1037 cur_item = &top_item->jd_key_tv; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
1038 break; |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
1039 } |
7712
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
1040 } |
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
1041 |
10559
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
1042 /* Get here when parsing failed. */ |
10299
7b2f95633e28
commit https://github.com/vim/vim/commit/7756e7465d627ff9cd01e59625484a8c302ef853
Christian Brabandt <cb@256bit.org>
parents:
10042
diff
changeset
|
1043 if (res != NULL) |
7883
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
1044 { |
10559
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
1045 clear_tv(res); |
7883
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
1046 res->v_type = VAR_SPECIAL; |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
1047 res->vval.v_number = VVAL_NONE; |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
1048 } |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15454
diff
changeset
|
1049 emsg(_(e_invarg)); |
10559
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
1050 |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
1051 theend: |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
1052 ga_clear(&stack); |
4d8be28b5913
patch 8.0.0169: json_decode() may run out of stack space
Christian Brabandt <cb@256bit.org>
parents:
10553
diff
changeset
|
1053 return retval; |
7712
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
1054 } |
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
1055 |
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
1056 /* |
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
1057 * Decode the JSON from "reader" and store the result in "res". |
7967
45ea5ebf3a98
commit https://github.com/vim/vim/commit/595e64e259faefb330866852e1b9f6168544572a
Christian Brabandt <cb@256bit.org>
parents:
7965
diff
changeset
|
1058 * "options" can be JSON_JS or zero; |
7883
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
1059 * Return FAIL if not the whole message was consumed. |
7712
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
1060 */ |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
1061 int |
7967
45ea5ebf3a98
commit https://github.com/vim/vim/commit/595e64e259faefb330866852e1b9f6168544572a
Christian Brabandt <cb@256bit.org>
parents:
7965
diff
changeset
|
1062 json_decode_all(js_read_T *reader, typval_T *res, int options) |
7712
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
1063 { |
7883
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
1064 int ret; |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
1065 |
7967
45ea5ebf3a98
commit https://github.com/vim/vim/commit/595e64e259faefb330866852e1b9f6168544572a
Christian Brabandt <cb@256bit.org>
parents:
7965
diff
changeset
|
1066 /* We find the end once, to avoid calling strlen() many times. */ |
7883
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
1067 reader->js_end = reader->js_buf + STRLEN(reader->js_buf); |
7712
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
1068 json_skip_white(reader); |
7967
45ea5ebf3a98
commit https://github.com/vim/vim/commit/595e64e259faefb330866852e1b9f6168544572a
Christian Brabandt <cb@256bit.org>
parents:
7965
diff
changeset
|
1069 ret = json_decode_item(reader, res, options); |
7883
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
1070 if (ret != OK) |
10553
f83b6a0b6148
patch 8.0.0166: JSON with a duplicate key gives an internal error
Christian Brabandt <cb@256bit.org>
parents:
10359
diff
changeset
|
1071 { |
f83b6a0b6148
patch 8.0.0166: JSON with a duplicate key gives an internal error
Christian Brabandt <cb@256bit.org>
parents:
10359
diff
changeset
|
1072 if (ret == MAYBE) |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15454
diff
changeset
|
1073 emsg(_(e_invarg)); |
7883
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
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1074 return FAIL; |
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1075 } |
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1076 json_skip_white(reader); |
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1077 if (reader->js_buf[reader->js_used] != NUL) |
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1078 { |
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1079 emsg(_(e_trailing)); |
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1080 return FAIL; |
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1081 } |
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1082 return OK; |
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1083 } |
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1084 |
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1085 /* |
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1086 * Decode the JSON from "reader" and store the result in "res". |
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1087 * "options" can be JSON_JS or zero; |
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1088 * Return FAIL for a decoding error. |
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1089 * Return MAYBE for an incomplete message. |
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1090 * Consumes the message anyway. |
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1091 */ |
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1092 int |
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1093 json_decode(js_read_T *reader, typval_T *res, int options) |
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1094 { |
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1095 int ret; |
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1096 |
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1097 /* We find the end once, to avoid calling strlen() many times. */ |
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1098 reader->js_end = reader->js_buf + STRLEN(reader->js_buf); |
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1099 json_skip_white(reader); |
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1100 ret = json_decode_item(reader, res, options); |
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1101 json_skip_white(reader); |
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1102 |
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1103 return ret; |
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1104 } |
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1105 |
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1106 /* |
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1107 * Decode the JSON from "reader" to find the end of the message. |
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1108 * "options" can be JSON_JS or zero. |
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1109 * This is only used for testing. |
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1110 * Return FAIL if the message has a decoding error. |
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1111 * Return MAYBE if the message is truncated, need to read more. |
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1112 * This only works reliable if the message contains an object, array or |
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1113 * string. A number might be truncated without knowing. |
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1114 * Does not advance the reader. |
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1115 */ |
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1116 int |
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1117 json_find_end(js_read_T *reader, int options) |
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1118 { |
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1119 int used_save = reader->js_used; |
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1120 int ret; |
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1121 |
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1122 /* We find the end once, to avoid calling strlen() many times. */ |
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1123 reader->js_end = reader->js_buf + STRLEN(reader->js_buf); |
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1124 json_skip_white(reader); |
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1125 ret = json_decode_item(reader, NULL, options); |
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1126 reader->js_used = used_save; |
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1127 return ret; |
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1128 } |
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1129 #endif |