Mercurial > vim
annotate src/json.c @ 8049:15253130abd8 v7.4.1319
commit https://github.com/vim/vim/commit/16eb4f88000cfdba68df6c421fe44e7e029ba53e
Author: Bram Moolenaar <Bram@vim.org>
Date: Sun Feb 14 23:02:34 2016 +0100
patch 7.4.1319
Problem: Tests fail on MS-Windows and on Unix with GUI.
Solution: Fix unregistering.
author | Christian Brabandt <cb@256bit.org> |
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date | Sun, 14 Feb 2016 23:15:04 +0100 |
parents | c6443e78cf2d |
children | 5dacbd22fefd |
rev | line source |
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1 /* vi:set ts=8 sts=4 sw=4: |
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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 |
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16 #include "vim.h" |
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17 |
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18 #if defined(FEAT_EVAL) || defined(PROTO) |
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19 static int json_encode_item(garray_T *gap, typval_T *val, int copyID, int options); |
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20 static int json_decode_item(js_read_T *reader, typval_T *res, int options); |
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21 |
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22 /* |
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23 * Encode "val" into a JSON format string. |
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24 * The result is in allocated memory. |
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25 * The result is empty when encoding fails. |
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26 * "options" can be JSON_JS or zero; |
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27 */ |
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28 char_u * |
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29 json_encode(typval_T *val, int options) |
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30 { |
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31 garray_T ga; |
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32 |
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33 /* Store bytes in the growarray. */ |
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34 ga_init2(&ga, 1, 4000); |
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35 if (json_encode_item(&ga, val, get_copyID(), options) == FAIL) |
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36 { |
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37 vim_free(ga.ga_data); |
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38 return vim_strsave((char_u *)""); |
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39 } |
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40 return ga.ga_data; |
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41 } |
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42 |
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43 /* |
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44 * Encode ["nr", "val"] into a JSON format string in allocated memory. |
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45 * "options" can be JSON_JS or zero; |
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46 * Returns NULL when out of memory. |
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47 */ |
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48 char_u * |
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49 json_encode_nr_expr(int nr, typval_T *val, int options) |
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50 { |
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51 typval_T listtv; |
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52 typval_T nrtv; |
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53 char_u *text; |
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54 |
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55 nrtv.v_type = VAR_NUMBER; |
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56 nrtv.vval.v_number = nr; |
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57 if (rettv_list_alloc(&listtv) == FAIL) |
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58 return NULL; |
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59 if (list_append_tv(listtv.vval.v_list, &nrtv) == FAIL |
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60 || list_append_tv(listtv.vval.v_list, val) == FAIL) |
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61 { |
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62 list_unref(listtv.vval.v_list); |
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63 return NULL; |
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64 } |
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65 |
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66 text = json_encode(&listtv, options); |
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67 list_unref(listtv.vval.v_list); |
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68 return text; |
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69 } |
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70 |
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71 static void |
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72 write_string(garray_T *gap, char_u *str) |
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73 { |
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74 char_u *res = str; |
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75 char_u numbuf[NUMBUFLEN]; |
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76 |
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77 if (res == NULL) |
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78 ga_concat(gap, (char_u *)"null"); |
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79 else |
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80 { |
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81 ga_append(gap, '"'); |
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82 while (*res != NUL) |
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83 { |
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84 int c = PTR2CHAR(res); |
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85 |
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86 switch (c) |
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87 { |
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88 case 0x08: |
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89 ga_append(gap, '\\'); ga_append(gap, 'b'); break; |
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90 case 0x09: |
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91 ga_append(gap, '\\'); ga_append(gap, 't'); break; |
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92 case 0x0a: |
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93 ga_append(gap, '\\'); ga_append(gap, 'n'); break; |
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94 case 0x0c: |
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95 ga_append(gap, '\\'); ga_append(gap, 'f'); break; |
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96 case 0x0d: |
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97 ga_append(gap, '\\'); ga_append(gap, 'r'); break; |
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98 case 0x22: /* " */ |
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99 case 0x5c: /* \ */ |
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100 ga_append(gap, '\\'); |
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101 ga_append(gap, c); |
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102 break; |
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103 default: |
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104 if (c >= 0x20) |
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105 { |
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106 #ifdef FEAT_MBYTE |
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107 numbuf[mb_char2bytes(c, numbuf)] = NUL; |
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108 #else |
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109 numbuf[0] = c; |
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110 numbuf[1] = NUL; |
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111 #endif |
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112 ga_concat(gap, numbuf); |
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113 } |
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114 else |
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115 { |
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116 vim_snprintf((char *)numbuf, NUMBUFLEN, |
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117 "\\u%04lx", (long)c); |
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118 ga_concat(gap, numbuf); |
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119 } |
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120 } |
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121 mb_cptr_adv(res); |
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122 } |
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123 ga_append(gap, '"'); |
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124 } |
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125 } |
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126 |
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127 /* |
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128 * Return TRUE if "key" can be used without quotes. |
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129 * That is when it starts with a letter and only contains letters, digits and |
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130 * underscore. |
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131 */ |
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132 static int |
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133 is_simple_key(char_u *key) |
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134 { |
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135 char_u *p; |
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136 |
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137 if (!ASCII_ISALPHA(*key)) |
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138 return FALSE; |
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139 for (p = key + 1; *p != NUL; ++p) |
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140 if (!ASCII_ISALPHA(*p) && *p != '_' && !vim_isdigit(*p)) |
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141 return FALSE; |
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142 return TRUE; |
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143 } |
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144 |
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145 /* |
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146 * Encode "val" into "gap". |
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147 * Return FAIL or OK. |
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148 */ |
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149 static int |
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150 json_encode_item(garray_T *gap, typval_T *val, int copyID, int options) |
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151 { |
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152 char_u numbuf[NUMBUFLEN]; |
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153 char_u *res; |
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154 list_T *l; |
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155 dict_T *d; |
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156 |
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157 switch (val->v_type) |
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158 { |
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159 case VAR_SPECIAL: |
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160 switch (val->vval.v_number) |
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161 { |
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162 case VVAL_FALSE: ga_concat(gap, (char_u *)"false"); break; |
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163 case VVAL_TRUE: ga_concat(gap, (char_u *)"true"); break; |
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164 case VVAL_NONE: if ((options & JSON_JS) != 0 |
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165 && (options & JSON_NO_NONE) == 0) |
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166 /* empty item */ |
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167 break; |
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168 /* FALLTHROUGH */ |
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169 case VVAL_NULL: ga_concat(gap, (char_u *)"null"); break; |
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170 } |
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171 break; |
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172 |
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173 case VAR_NUMBER: |
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174 vim_snprintf((char *)numbuf, NUMBUFLEN, "%ld", |
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175 (long)val->vval.v_number); |
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176 ga_concat(gap, numbuf); |
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177 break; |
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178 |
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179 case VAR_STRING: |
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180 res = val->vval.v_string; |
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181 write_string(gap, res); |
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182 break; |
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183 |
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184 case VAR_FUNC: |
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185 case VAR_JOB: |
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186 case VAR_CHANNEL: |
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187 /* no JSON equivalent TODO: better error */ |
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188 EMSG(_(e_invarg)); |
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189 return FAIL; |
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190 |
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191 case VAR_LIST: |
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192 l = val->vval.v_list; |
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193 if (l == NULL) |
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194 ga_concat(gap, (char_u *)"null"); |
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195 else |
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196 { |
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197 if (l->lv_copyID == copyID) |
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198 ga_concat(gap, (char_u *)"[]"); |
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199 else |
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200 { |
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201 listitem_T *li; |
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202 |
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203 l->lv_copyID = copyID; |
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204 ga_append(gap, '['); |
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205 for (li = l->lv_first; li != NULL && !got_int; ) |
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206 { |
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207 if (json_encode_item(gap, &li->li_tv, copyID, |
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208 options & JSON_JS) == FAIL) |
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209 return FAIL; |
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210 if ((options & JSON_JS) |
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211 && li->li_next == NULL |
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212 && li->li_tv.v_type == VAR_SPECIAL |
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213 && li->li_tv.vval.v_number == VVAL_NONE) |
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214 /* add an extra comma if the last item is v:none */ |
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215 ga_append(gap, ','); |
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216 li = li->li_next; |
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217 if (li != NULL) |
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218 ga_append(gap, ','); |
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219 } |
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220 ga_append(gap, ']'); |
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221 l->lv_copyID = 0; |
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222 } |
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223 } |
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224 break; |
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225 |
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226 case VAR_DICT: |
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227 d = val->vval.v_dict; |
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228 if (d == NULL) |
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229 ga_concat(gap, (char_u *)"null"); |
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230 else |
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231 { |
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232 if (d->dv_copyID == copyID) |
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233 ga_concat(gap, (char_u *)"{}"); |
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234 else |
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235 { |
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236 int first = TRUE; |
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237 int todo = (int)d->dv_hashtab.ht_used; |
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238 hashitem_T *hi; |
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239 |
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240 d->dv_copyID = copyID; |
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241 ga_append(gap, '{'); |
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242 |
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243 for (hi = d->dv_hashtab.ht_array; todo > 0 && !got_int; |
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244 ++hi) |
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245 if (!HASHITEM_EMPTY(hi)) |
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246 { |
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247 --todo; |
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248 if (first) |
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249 first = FALSE; |
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250 else |
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251 ga_append(gap, ','); |
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252 if ((options & JSON_JS) |
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253 && is_simple_key(hi->hi_key)) |
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254 ga_concat(gap, hi->hi_key); |
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255 else |
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256 write_string(gap, hi->hi_key); |
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257 ga_append(gap, ':'); |
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258 if (json_encode_item(gap, &dict_lookup(hi)->di_tv, |
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259 copyID, options | JSON_NO_NONE) == FAIL) |
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260 return FAIL; |
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261 } |
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262 ga_append(gap, '}'); |
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263 d->dv_copyID = 0; |
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264 } |
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265 } |
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266 break; |
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267 |
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268 case VAR_FLOAT: |
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269 #ifdef FEAT_FLOAT |
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270 vim_snprintf((char *)numbuf, NUMBUFLEN, "%g", val->vval.v_float); |
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271 ga_concat(gap, numbuf); |
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272 break; |
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273 #endif |
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274 case VAR_UNKNOWN: |
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275 EMSG2(_(e_intern2), "json_encode_item()"); break; |
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276 return FAIL; |
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277 } |
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278 return OK; |
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279 } |
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280 |
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281 /* |
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282 * When "reader" has less than NUMBUFLEN bytes available, call the fill |
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283 * callback to get more. |
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284 */ |
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285 static void |
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286 fill_numbuflen(js_read_T *reader) |
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287 { |
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288 if (reader->js_fill != NULL && (int)(reader->js_end - reader->js_buf) |
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289 - reader->js_used < NUMBUFLEN) |
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290 { |
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291 if (reader->js_fill(reader)) |
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292 reader->js_end = reader->js_buf + STRLEN(reader->js_buf); |
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293 } |
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294 } |
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295 |
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296 /* |
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297 * Skip white space in "reader". All characters <= space are considered white |
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298 * space. |
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299 * Also tops up readahead when needed. |
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300 */ |
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301 static void |
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302 json_skip_white(js_read_T *reader) |
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303 { |
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304 int c; |
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305 |
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306 for (;;) |
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307 { |
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308 c = reader->js_buf[reader->js_used]; |
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309 if (reader->js_fill != NULL && c == NUL) |
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310 { |
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311 if (reader->js_fill(reader)) |
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312 reader->js_end = reader->js_buf + STRLEN(reader->js_buf); |
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313 continue; |
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314 } |
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315 if (c == NUL || c > ' ') |
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316 break; |
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317 ++reader->js_used; |
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318 } |
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319 fill_numbuflen(reader); |
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320 } |
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321 |
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322 static int |
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323 json_decode_array(js_read_T *reader, typval_T *res, int options) |
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324 { |
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325 char_u *p; |
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326 typval_T item; |
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327 listitem_T *li; |
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328 int ret; |
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329 |
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330 if (res != NULL && rettv_list_alloc(res) == FAIL) |
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331 { |
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332 res->v_type = VAR_SPECIAL; |
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333 res->vval.v_number = VVAL_NONE; |
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334 return FAIL; |
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335 } |
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336 ++reader->js_used; /* consume the '[' */ |
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337 |
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338 while (TRUE) |
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339 { |
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340 json_skip_white(reader); |
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341 p = reader->js_buf + reader->js_used; |
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342 if (*p == NUL) |
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343 return MAYBE; |
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344 if (*p == ']') |
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345 { |
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346 ++reader->js_used; /* consume the ']' */ |
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347 break; |
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348 } |
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349 |
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350 ret = json_decode_item(reader, res == NULL ? NULL : &item, options); |
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351 if (ret != OK) |
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352 return ret; |
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353 if (res != NULL) |
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354 { |
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355 li = listitem_alloc(); |
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356 if (li == NULL) |
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357 { |
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358 clear_tv(&item); |
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359 return FAIL; |
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360 } |
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361 li->li_tv = item; |
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362 list_append(res->vval.v_list, li); |
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363 } |
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364 |
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365 json_skip_white(reader); |
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366 p = reader->js_buf + reader->js_used; |
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367 if (*p == ',') |
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368 ++reader->js_used; |
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369 else if (*p != ']') |
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370 { |
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371 if (*p == NUL) |
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372 return MAYBE; |
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373 return FAIL; |
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374 } |
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375 } |
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376 return OK; |
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377 } |
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378 |
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379 static int |
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380 json_decode_object(js_read_T *reader, typval_T *res, int options) |
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381 { |
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382 char_u *p; |
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383 typval_T tvkey; |
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384 typval_T item; |
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385 dictitem_T *di; |
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386 char_u buf[NUMBUFLEN]; |
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387 char_u *key = NULL; |
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388 int ret; |
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389 |
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390 if (res != NULL && rettv_dict_alloc(res) == FAIL) |
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391 { |
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392 res->v_type = VAR_SPECIAL; |
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393 res->vval.v_number = VVAL_NONE; |
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394 return FAIL; |
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395 } |
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396 ++reader->js_used; /* consume the '{' */ |
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397 |
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398 while (TRUE) |
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399 { |
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400 json_skip_white(reader); |
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401 p = reader->js_buf + reader->js_used; |
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402 if (*p == NUL) |
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403 return MAYBE; |
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404 if (*p == '}') |
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405 { |
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406 ++reader->js_used; /* consume the '}' */ |
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407 break; |
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408 } |
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409 |
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410 if ((options & JSON_JS) && reader->js_buf[reader->js_used] != '"') |
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411 { |
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412 /* accept a key that is not in quotes */ |
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413 key = p = reader->js_buf + reader->js_used; |
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414 while (*p != NUL && *p != ':' && *p > ' ') |
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415 ++p; |
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416 tvkey.v_type = VAR_STRING; |
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417 tvkey.vval.v_string = vim_strnsave(key, (int)(p - key)); |
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418 reader->js_used += (int)(p - key); |
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419 key = tvkey.vval.v_string; |
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420 } |
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421 else |
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422 { |
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423 ret = json_decode_item(reader, res == NULL ? NULL : &tvkey, |
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424 options); |
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425 if (ret != OK) |
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426 return ret; |
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427 if (res != NULL) |
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428 { |
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429 key = get_tv_string_buf_chk(&tvkey, buf); |
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430 if (key == NULL || *key == NUL) |
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431 { |
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432 clear_tv(&tvkey); |
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433 return FAIL; |
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434 } |
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435 } |
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436 } |
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437 |
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438 json_skip_white(reader); |
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439 p = reader->js_buf + reader->js_used; |
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440 if (*p != ':') |
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441 { |
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442 if (res != NULL) |
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443 clear_tv(&tvkey); |
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444 if (*p == NUL) |
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445 return MAYBE; |
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446 return FAIL; |
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447 } |
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448 ++reader->js_used; |
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449 json_skip_white(reader); |
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450 |
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451 ret = json_decode_item(reader, res == NULL ? NULL : &item, options); |
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452 if (ret != OK) |
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453 { |
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454 if (res != NULL) |
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455 clear_tv(&tvkey); |
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456 return ret; |
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457 } |
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458 |
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459 if (res != NULL) |
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460 { |
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461 di = dictitem_alloc(key); |
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462 clear_tv(&tvkey); |
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463 if (di == NULL) |
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464 { |
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465 clear_tv(&item); |
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466 return FAIL; |
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467 } |
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468 di->di_tv = item; |
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469 if (dict_add(res->vval.v_dict, di) == FAIL) |
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470 { |
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471 dictitem_free(di); |
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472 return FAIL; |
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473 } |
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474 } |
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475 |
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476 json_skip_white(reader); |
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477 p = reader->js_buf + reader->js_used; |
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478 if (*p == ',') |
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479 ++reader->js_used; |
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480 else if (*p != '}') |
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481 { |
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482 if (*p == NUL) |
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483 return MAYBE; |
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484 return FAIL; |
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485 } |
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486 } |
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487 return OK; |
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488 } |
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489 |
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490 static int |
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491 json_decode_string(js_read_T *reader, typval_T *res) |
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492 { |
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493 garray_T ga; |
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494 int len; |
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495 char_u *p; |
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496 int c; |
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497 long nr; |
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498 char_u buf[NUMBUFLEN]; |
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499 |
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500 if (res != NULL) |
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501 ga_init2(&ga, 1, 200); |
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502 |
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503 p = reader->js_buf + reader->js_used + 1; /* skip over " */ |
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504 while (*p != '"') |
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505 { |
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506 if (*p == NUL || p[1] == NUL |
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507 #ifdef FEAT_MBYTE |
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508 || utf_ptr2len(p) < utf_byte2len(*p) |
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509 #endif |
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510 ) |
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511 { |
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512 if (reader->js_fill == NULL) |
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513 break; |
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514 len = (int)(reader->js_end - p); |
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515 reader->js_used = (int)(p - reader->js_buf); |
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516 if (!reader->js_fill(reader)) |
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517 break; /* didn't get more */ |
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518 p = reader->js_buf + reader->js_used; |
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519 reader->js_end = reader->js_buf + STRLEN(reader->js_buf); |
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520 continue; |
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521 } |
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522 |
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523 if (*p == '\\') |
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524 { |
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525 c = -1; |
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526 switch (p[1]) |
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527 { |
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528 case '\\': c = '\\'; break; |
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529 case '"': c = '"'; break; |
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530 case 'b': c = BS; break; |
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531 case 't': c = TAB; break; |
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532 case 'n': c = NL; break; |
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533 case 'f': c = FF; break; |
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534 case 'r': c = CAR; break; |
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535 case 'u': |
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536 if (reader->js_fill != NULL |
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537 && (int)(reader->js_end - p) < NUMBUFLEN) |
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538 { |
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539 reader->js_used = (int)(p - reader->js_buf); |
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540 if (reader->js_fill(reader)) |
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541 { |
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542 p = reader->js_buf + reader->js_used; |
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543 reader->js_end = reader->js_buf |
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544 + STRLEN(reader->js_buf); |
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545 } |
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546 } |
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547 vim_str2nr(p + 2, NULL, &len, |
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548 STR2NR_HEX + STR2NR_FORCE, &nr, NULL, 4); |
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549 p += len + 2; |
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550 if (res != NULL) |
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551 { |
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552 #ifdef FEAT_MBYTE |
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553 buf[(*mb_char2bytes)((int)nr, buf)] = NUL; |
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554 ga_concat(&ga, buf); |
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555 #else |
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556 ga_append(&ga, nr); |
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557 #endif |
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558 } |
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559 break; |
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560 default: |
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561 /* not a special char, skip over \ */ |
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562 ++p; |
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563 continue; |
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564 } |
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565 if (c > 0) |
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566 { |
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567 p += 2; |
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568 if (res != NULL) |
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569 ga_append(&ga, c); |
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570 } |
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571 } |
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572 else |
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573 { |
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574 len = MB_PTR2LEN(p); |
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575 if (res != NULL) |
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576 { |
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577 if (ga_grow(&ga, len) == FAIL) |
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578 { |
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579 ga_clear(&ga); |
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580 return FAIL; |
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581 } |
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582 mch_memmove((char *)ga.ga_data + ga.ga_len, p, (size_t)len); |
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583 ga.ga_len += len; |
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584 } |
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585 p += len; |
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586 } |
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587 } |
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588 |
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589 reader->js_used = (int)(p - reader->js_buf); |
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590 if (*p == '"') |
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591 { |
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592 ++reader->js_used; |
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593 if (res != NULL) |
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594 { |
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595 res->v_type = VAR_STRING; |
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596 res->vval.v_string = ga.ga_data; |
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597 } |
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598 return OK; |
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599 } |
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600 if (res != NULL) |
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601 { |
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602 res->v_type = VAR_SPECIAL; |
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603 res->vval.v_number = VVAL_NONE; |
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604 ga_clear(&ga); |
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605 } |
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606 return MAYBE; |
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607 } |
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608 |
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609 /* |
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610 * Decode one item and put it in "res". If "res" is NULL only advance. |
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611 * Must already have skipped white space. |
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612 * |
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613 * Return FAIL for a decoding error. |
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614 * Return MAYBE for an incomplete message. |
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615 */ |
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616 static int |
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617 json_decode_item(js_read_T *reader, typval_T *res, int options) |
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618 { |
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619 char_u *p; |
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620 int len; |
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621 |
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622 fill_numbuflen(reader); |
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623 p = reader->js_buf + reader->js_used; |
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624 switch (*p) |
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625 { |
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626 case '[': /* array */ |
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627 return json_decode_array(reader, res, options); |
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628 |
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629 case '{': /* object */ |
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630 return json_decode_object(reader, res, options); |
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631 |
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
632 case '"': /* string */ |
7883
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
633 return json_decode_string(reader, res); |
7712
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
634 |
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
635 case ',': /* comma: empty item */ |
7967
45ea5ebf3a98
commit https://github.com/vim/vim/commit/595e64e259faefb330866852e1b9f6168544572a
Christian Brabandt <cb@256bit.org>
parents:
7965
diff
changeset
|
636 if ((options & JSON_JS) == 0) |
45ea5ebf3a98
commit https://github.com/vim/vim/commit/595e64e259faefb330866852e1b9f6168544572a
Christian Brabandt <cb@256bit.org>
parents:
7965
diff
changeset
|
637 return FAIL; |
45ea5ebf3a98
commit https://github.com/vim/vim/commit/595e64e259faefb330866852e1b9f6168544572a
Christian Brabandt <cb@256bit.org>
parents:
7965
diff
changeset
|
638 /* FALLTHROUGH */ |
7712
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
639 case NUL: /* empty */ |
7883
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
640 if (res != NULL) |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
641 { |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
642 res->v_type = VAR_SPECIAL; |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
643 res->vval.v_number = VVAL_NONE; |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
644 } |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
645 return OK; |
7712
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
646 |
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
647 default: |
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
648 if (VIM_ISDIGIT(*p) || *p == '-') |
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
649 { |
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
650 char_u *sp = p; |
7883
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
651 |
7712
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
652 #ifdef FEAT_FLOAT |
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
653 if (*sp == '-') |
7883
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
654 { |
7712
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
655 ++sp; |
7883
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
656 if (*sp == NUL) |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
657 return MAYBE; |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
658 if (!VIM_ISDIGIT(*sp)) |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
659 return FAIL; |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
660 } |
7712
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
661 sp = skipdigits(sp); |
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
662 if (*sp == '.' || *sp == 'e' || *sp == 'E') |
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
663 { |
7883
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
664 if (res == NULL) |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
665 { |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
666 float_T f; |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
667 |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
668 len = string2float(p, &f); |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
669 } |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
670 else |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
671 { |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
672 res->v_type = VAR_FLOAT; |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
673 len = string2float(p, &res->vval.v_float); |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
674 } |
7712
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
675 } |
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
676 else |
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
677 #endif |
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
678 { |
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
679 long nr; |
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
680 |
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
681 vim_str2nr(reader->js_buf + reader->js_used, |
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
682 NULL, &len, 0, /* what */ |
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
683 &nr, NULL, 0); |
7883
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
684 if (res != NULL) |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
685 { |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
686 res->v_type = VAR_NUMBER; |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
687 res->vval.v_number = nr; |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
688 } |
7712
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
689 } |
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
690 reader->js_used += len; |
7883
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
691 return OK; |
7712
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
692 } |
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
693 if (STRNICMP((char *)p, "false", 5) == 0) |
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
694 { |
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
695 reader->js_used += 5; |
7883
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
696 if (res != NULL) |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
697 { |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
698 res->v_type = VAR_SPECIAL; |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
699 res->vval.v_number = VVAL_FALSE; |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
700 } |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
701 return OK; |
7712
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
702 } |
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
703 if (STRNICMP((char *)p, "true", 4) == 0) |
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
704 { |
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
705 reader->js_used += 4; |
7883
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
706 if (res != NULL) |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
707 { |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
708 res->v_type = VAR_SPECIAL; |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
709 res->vval.v_number = VVAL_TRUE; |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
710 } |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
711 return OK; |
7712
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
712 } |
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
713 if (STRNICMP((char *)p, "null", 4) == 0) |
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
714 { |
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
715 reader->js_used += 4; |
7883
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
716 if (res != NULL) |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
717 { |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
718 res->v_type = VAR_SPECIAL; |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
719 res->vval.v_number = VVAL_NULL; |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
720 } |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
721 return OK; |
7712
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
722 } |
7883
98a96e0ca73b
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|
723 /* check for truncated name */ |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
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|
724 len = (int)(reader->js_end - (reader->js_buf + reader->js_used)); |
98a96e0ca73b
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|
725 if ((len < 5 && STRNICMP((char *)p, "false", len) == 0) |
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commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
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|
726 || (len < 4 && (STRNICMP((char *)p, "true", len) == 0 |
98a96e0ca73b
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|
727 || STRNICMP((char *)p, "null", len) == 0))) |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
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|
728 return MAYBE; |
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|
729 break; |
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
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changeset
|
730 } |
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
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|
731 |
7883
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changeset
|
732 if (res != NUL) |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
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|
733 { |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
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|
734 res->v_type = VAR_SPECIAL; |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
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|
735 res->vval.v_number = VVAL_NONE; |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
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|
736 } |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
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|
737 return FAIL; |
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Christian Brabandt <cb@256bit.org>
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changeset
|
738 } |
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
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|
739 |
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
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|
740 /* |
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
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|
741 * Decode the JSON from "reader" and store the result in "res". |
7967
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|
742 * "options" can be JSON_JS or zero; |
7883
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commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
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|
743 * Return FAIL if not the whole message was consumed. |
7712
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|
744 */ |
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commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
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diff
changeset
|
745 int |
7967
45ea5ebf3a98
commit https://github.com/vim/vim/commit/595e64e259faefb330866852e1b9f6168544572a
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|
746 json_decode_all(js_read_T *reader, typval_T *res, int options) |
7712
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|
747 { |
7883
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|
748 int ret; |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
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changeset
|
749 |
7967
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commit https://github.com/vim/vim/commit/595e64e259faefb330866852e1b9f6168544572a
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|
750 /* We find the end once, to avoid calling strlen() many times. */ |
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|
751 reader->js_end = reader->js_buf + STRLEN(reader->js_buf); |
7712
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|
752 json_skip_white(reader); |
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|
753 ret = json_decode_item(reader, res, options); |
7883
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commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
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|
754 if (ret != OK) |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
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|
755 return FAIL; |
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|
756 json_skip_white(reader); |
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
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|
757 if (reader->js_buf[reader->js_used] != NUL) |
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|
758 return FAIL; |
17e6ff1a74f1
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|
759 return OK; |
7712
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|
760 } |
7883
98a96e0ca73b
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changeset
|
761 |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
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|
762 /* |
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commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
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changeset
|
763 * Decode the JSON from "reader" and store the result in "res". |
7967
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commit https://github.com/vim/vim/commit/595e64e259faefb330866852e1b9f6168544572a
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|
764 * "options" can be JSON_JS or zero; |
7883
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commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
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|
765 * Return FAIL if the message has a decoding error or the message is |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
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|
766 * truncated. Consumes the message anyway. |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
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diff
changeset
|
767 */ |
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commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
768 int |
7967
45ea5ebf3a98
commit https://github.com/vim/vim/commit/595e64e259faefb330866852e1b9f6168544572a
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changeset
|
769 json_decode(js_read_T *reader, typval_T *res, int options) |
7883
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commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
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|
770 { |
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commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
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changeset
|
771 int ret; |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
772 |
7967
45ea5ebf3a98
commit https://github.com/vim/vim/commit/595e64e259faefb330866852e1b9f6168544572a
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changeset
|
773 /* We find the end once, to avoid calling strlen() many times. */ |
7883
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commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
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changeset
|
774 reader->js_end = reader->js_buf + STRLEN(reader->js_buf); |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
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changeset
|
775 json_skip_white(reader); |
7967
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commit https://github.com/vim/vim/commit/595e64e259faefb330866852e1b9f6168544572a
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|
776 ret = json_decode_item(reader, res, options); |
7883
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commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
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diff
changeset
|
777 json_skip_white(reader); |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
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parents:
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diff
changeset
|
778 |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
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|
779 return ret == OK ? OK : FAIL; |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
780 } |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
781 |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
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parents:
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diff
changeset
|
782 /* |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
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diff
changeset
|
783 * Decode the JSON from "reader" to find the end of the message. |
7967
45ea5ebf3a98
commit https://github.com/vim/vim/commit/595e64e259faefb330866852e1b9f6168544572a
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parents:
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changeset
|
784 * "options" can be JSON_JS or zero; |
7883
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
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parents:
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diff
changeset
|
785 * Return FAIL if the message has a decoding error. |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
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changeset
|
786 * Return MAYBE if the message is truncated, need to read more. |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
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parents:
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|
787 * This only works reliable if the message contains an object, array or |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
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changeset
|
788 * string. A number might be trucated without knowing. |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
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|
789 * Does not advance the reader. |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
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parents:
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diff
changeset
|
790 */ |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
791 int |
7967
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commit https://github.com/vim/vim/commit/595e64e259faefb330866852e1b9f6168544572a
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changeset
|
792 json_find_end(js_read_T *reader, int options) |
7883
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|
793 { |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
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changeset
|
794 int used_save = reader->js_used; |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
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parents:
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diff
changeset
|
795 int ret; |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
796 |
7967
45ea5ebf3a98
commit https://github.com/vim/vim/commit/595e64e259faefb330866852e1b9f6168544572a
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parents:
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diff
changeset
|
797 /* We find the end once, to avoid calling strlen() many times. */ |
7883
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commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
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parents:
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changeset
|
798 reader->js_end = reader->js_buf + STRLEN(reader->js_buf); |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
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diff
changeset
|
799 json_skip_white(reader); |
7967
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changeset
|
800 ret = json_decode_item(reader, NULL, options); |
7883
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changeset
|
801 reader->js_used = used_save; |
98a96e0ca73b
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changeset
|
802 return ret; |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
803 } |
7712
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changeset
|
804 #endif |