Mercurial > vim
annotate src/json.c @ 8304:097886a3379b v7.4.1444
commit https://github.com/vim/vim/commit/0f526f5652e0a5432493b3f2a1cb34ab99a9da0a
Author: Bram Moolenaar <Bram@vim.org>
Date: Sat Feb 27 22:59:41 2016 +0100
patch 7.4.1444
Problem: Can't build with JSON but without multi-byte.
Solution: Fix pointer name.
author | Christian Brabandt <cb@256bit.org> |
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date | Sat, 27 Feb 2016 23:00:04 +0100 |
parents | 18fd94bd4eb8 |
children | 7fcf3f6020c1 |
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 #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 static int json_decode_item(js_read_T *reader, typval_T *res, int options); |
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23 |
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24 /* |
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25 * Encode "val" into a JSON format string. |
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26 * The result is in allocated memory. |
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27 * The result is empty when encoding fails. |
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28 * "options" can be JSON_JS or zero; |
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29 */ |
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30 char_u * |
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31 json_encode(typval_T *val, int options) |
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32 { |
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33 garray_T ga; |
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34 |
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35 /* Store bytes in the growarray. */ |
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36 ga_init2(&ga, 1, 4000); |
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37 if (json_encode_item(&ga, val, get_copyID(), options) == FAIL) |
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38 { |
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39 vim_free(ga.ga_data); |
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40 return vim_strsave((char_u *)""); |
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41 } |
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42 return ga.ga_data; |
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43 } |
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44 |
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45 /* |
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46 * Encode ["nr", "val"] into a JSON format string in allocated memory. |
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47 * "options" can be JSON_JS or zero; |
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48 * Returns NULL when out of memory. |
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49 */ |
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50 char_u * |
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51 json_encode_nr_expr(int nr, typval_T *val, int options) |
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52 { |
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53 typval_T listtv; |
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54 typval_T nrtv; |
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55 char_u *text; |
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56 |
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57 nrtv.v_type = VAR_NUMBER; |
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58 nrtv.vval.v_number = nr; |
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59 if (rettv_list_alloc(&listtv) == FAIL) |
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60 return NULL; |
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61 if (list_append_tv(listtv.vval.v_list, &nrtv) == FAIL |
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62 || list_append_tv(listtv.vval.v_list, val) == FAIL) |
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63 { |
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64 list_unref(listtv.vval.v_list); |
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65 return NULL; |
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66 } |
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67 |
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68 text = json_encode(&listtv, options); |
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69 list_unref(listtv.vval.v_list); |
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70 return text; |
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71 } |
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72 |
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73 static void |
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74 write_string(garray_T *gap, char_u *str) |
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75 { |
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76 char_u *res = str; |
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77 char_u numbuf[NUMBUFLEN]; |
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78 |
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79 if (res == NULL) |
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80 ga_concat(gap, (char_u *)"null"); |
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81 else |
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82 { |
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83 #if defined(FEAT_MBYTE) && defined(USE_ICONV) |
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84 vimconv_T conv; |
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85 char_u *converted = NULL; |
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86 |
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87 if (!enc_utf8) |
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88 { |
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89 conv.vc_type = CONV_NONE; |
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90 convert_setup(&conv, p_enc, (char_u*)"utf-8"); |
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91 if (conv.vc_type != CONV_NONE) |
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92 converted = res = string_convert(&conv, res, NULL); |
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93 convert_setup(&conv, NULL, NULL); |
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94 } |
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95 #endif |
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96 ga_append(gap, '"'); |
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97 while (*res != NUL) |
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98 { |
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99 int c; |
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100 #ifdef FEAT_MBYTE |
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101 /* always use utf-8 encoding, ignore 'encoding' */ |
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102 c = utf_ptr2char(res); |
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103 #else |
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104 c = *res; |
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105 #endif |
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106 |
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107 switch (c) |
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108 { |
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109 case 0x08: |
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110 ga_append(gap, '\\'); ga_append(gap, 'b'); break; |
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111 case 0x09: |
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112 ga_append(gap, '\\'); ga_append(gap, 't'); break; |
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113 case 0x0a: |
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114 ga_append(gap, '\\'); ga_append(gap, 'n'); break; |
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115 case 0x0c: |
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116 ga_append(gap, '\\'); ga_append(gap, 'f'); break; |
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117 case 0x0d: |
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118 ga_append(gap, '\\'); ga_append(gap, 'r'); break; |
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119 case 0x22: /* " */ |
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120 case 0x5c: /* \ */ |
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121 ga_append(gap, '\\'); |
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122 ga_append(gap, c); |
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123 break; |
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124 default: |
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125 if (c >= 0x20) |
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126 { |
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127 #ifdef FEAT_MBYTE |
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128 numbuf[utf_char2bytes(c, numbuf)] = NUL; |
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129 #else |
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130 numbuf[0] = c; |
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131 numbuf[1] = NUL; |
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132 #endif |
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133 ga_concat(gap, numbuf); |
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134 } |
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135 else |
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136 { |
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137 vim_snprintf((char *)numbuf, NUMBUFLEN, |
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138 "\\u%04lx", (long)c); |
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139 ga_concat(gap, numbuf); |
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140 } |
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141 } |
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142 #ifdef FEAT_MBYTE |
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143 res += utf_ptr2len(res); |
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144 #else |
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145 ++res; |
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146 #endif |
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147 } |
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148 ga_append(gap, '"'); |
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149 #if defined(FEAT_MBYTE) && defined(USE_ICONV) |
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150 vim_free(converted); |
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151 #endif |
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152 } |
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153 } |
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154 |
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155 /* |
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156 * Return TRUE if "key" can be used without quotes. |
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157 * That is when it starts with a letter and only contains letters, digits and |
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158 * underscore. |
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159 */ |
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160 static int |
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161 is_simple_key(char_u *key) |
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162 { |
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163 char_u *p; |
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164 |
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165 if (!ASCII_ISALPHA(*key)) |
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166 return FALSE; |
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167 for (p = key + 1; *p != NUL; ++p) |
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168 if (!ASCII_ISALPHA(*p) && *p != '_' && !vim_isdigit(*p)) |
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169 return FALSE; |
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170 return TRUE; |
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171 } |
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172 |
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173 /* |
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174 * Encode "val" into "gap". |
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175 * Return FAIL or OK. |
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176 */ |
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177 static int |
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178 json_encode_item(garray_T *gap, typval_T *val, int copyID, int options) |
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179 { |
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180 char_u numbuf[NUMBUFLEN]; |
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181 char_u *res; |
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182 list_T *l; |
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183 dict_T *d; |
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184 |
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185 switch (val->v_type) |
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186 { |
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187 case VAR_SPECIAL: |
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188 switch (val->vval.v_number) |
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189 { |
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190 case VVAL_FALSE: ga_concat(gap, (char_u *)"false"); break; |
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191 case VVAL_TRUE: ga_concat(gap, (char_u *)"true"); break; |
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192 case VVAL_NONE: if ((options & JSON_JS) != 0 |
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193 && (options & JSON_NO_NONE) == 0) |
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194 /* empty item */ |
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195 break; |
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196 /* FALLTHROUGH */ |
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197 case VVAL_NULL: ga_concat(gap, (char_u *)"null"); break; |
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198 } |
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199 break; |
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200 |
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201 case VAR_NUMBER: |
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202 vim_snprintf((char *)numbuf, NUMBUFLEN, "%ld", |
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203 (long)val->vval.v_number); |
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204 ga_concat(gap, numbuf); |
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205 break; |
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206 |
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207 case VAR_STRING: |
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208 res = val->vval.v_string; |
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209 write_string(gap, res); |
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210 break; |
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211 |
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212 case VAR_FUNC: |
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213 case VAR_JOB: |
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214 case VAR_CHANNEL: |
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215 /* no JSON equivalent TODO: better error */ |
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216 EMSG(_(e_invarg)); |
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217 return FAIL; |
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218 |
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219 case VAR_LIST: |
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220 l = val->vval.v_list; |
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221 if (l == NULL) |
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222 ga_concat(gap, (char_u *)"null"); |
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223 else |
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224 { |
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225 if (l->lv_copyID == copyID) |
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226 ga_concat(gap, (char_u *)"[]"); |
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227 else |
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228 { |
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229 listitem_T *li; |
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230 |
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231 l->lv_copyID = copyID; |
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232 ga_append(gap, '['); |
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233 for (li = l->lv_first; li != NULL && !got_int; ) |
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234 { |
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235 if (json_encode_item(gap, &li->li_tv, copyID, |
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236 options & JSON_JS) == FAIL) |
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237 return FAIL; |
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238 if ((options & JSON_JS) |
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239 && li->li_next == NULL |
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240 && li->li_tv.v_type == VAR_SPECIAL |
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241 && li->li_tv.vval.v_number == VVAL_NONE) |
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242 /* add an extra comma if the last item is v:none */ |
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243 ga_append(gap, ','); |
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244 li = li->li_next; |
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245 if (li != NULL) |
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246 ga_append(gap, ','); |
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247 } |
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248 ga_append(gap, ']'); |
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249 l->lv_copyID = 0; |
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250 } |
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251 } |
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252 break; |
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253 |
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254 case VAR_DICT: |
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255 d = val->vval.v_dict; |
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256 if (d == NULL) |
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257 ga_concat(gap, (char_u *)"null"); |
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258 else |
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259 { |
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260 if (d->dv_copyID == copyID) |
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261 ga_concat(gap, (char_u *)"{}"); |
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262 else |
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263 { |
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264 int first = TRUE; |
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265 int todo = (int)d->dv_hashtab.ht_used; |
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266 hashitem_T *hi; |
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267 |
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268 d->dv_copyID = copyID; |
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269 ga_append(gap, '{'); |
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270 |
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271 for (hi = d->dv_hashtab.ht_array; todo > 0 && !got_int; |
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272 ++hi) |
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273 if (!HASHITEM_EMPTY(hi)) |
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274 { |
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275 --todo; |
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276 if (first) |
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277 first = FALSE; |
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278 else |
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279 ga_append(gap, ','); |
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280 if ((options & JSON_JS) |
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281 && is_simple_key(hi->hi_key)) |
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282 ga_concat(gap, hi->hi_key); |
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283 else |
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284 write_string(gap, hi->hi_key); |
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285 ga_append(gap, ':'); |
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286 if (json_encode_item(gap, &dict_lookup(hi)->di_tv, |
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287 copyID, options | JSON_NO_NONE) == FAIL) |
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288 return FAIL; |
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289 } |
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290 ga_append(gap, '}'); |
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291 d->dv_copyID = 0; |
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292 } |
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293 } |
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294 break; |
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295 |
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296 case VAR_FLOAT: |
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297 #ifdef FEAT_FLOAT |
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298 # if defined(HAVE_MATH_H) |
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299 if (isnan(val->vval.v_float)) |
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300 ga_concat(gap, (char_u *)"NaN"); |
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301 else if (isinf(val->vval.v_float)) |
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302 ga_concat(gap, (char_u *)"Infinity"); |
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303 else |
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304 # endif |
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305 { |
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306 vim_snprintf((char *)numbuf, NUMBUFLEN, "%g", |
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307 val->vval.v_float); |
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308 ga_concat(gap, numbuf); |
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309 } |
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310 break; |
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311 #endif |
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312 case VAR_UNKNOWN: |
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313 EMSG2(_(e_intern2), "json_encode_item()"); |
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314 return FAIL; |
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315 } |
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316 return OK; |
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317 } |
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318 |
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319 /* |
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320 * When "reader" has less than NUMBUFLEN bytes available, call the fill |
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321 * callback to get more. |
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322 */ |
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323 static void |
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324 fill_numbuflen(js_read_T *reader) |
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325 { |
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326 if (reader->js_fill != NULL && (int)(reader->js_end - reader->js_buf) |
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327 - reader->js_used < NUMBUFLEN) |
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328 { |
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329 if (reader->js_fill(reader)) |
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330 reader->js_end = reader->js_buf + STRLEN(reader->js_buf); |
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331 } |
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332 } |
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333 |
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334 /* |
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335 * Skip white space in "reader". All characters <= space are considered white |
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336 * space. |
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337 * Also tops up readahead when needed. |
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338 */ |
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339 static void |
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340 json_skip_white(js_read_T *reader) |
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341 { |
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342 int c; |
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343 |
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344 for (;;) |
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345 { |
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346 c = reader->js_buf[reader->js_used]; |
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347 if (reader->js_fill != NULL && c == NUL) |
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348 { |
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349 if (reader->js_fill(reader)) |
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350 reader->js_end = reader->js_buf + STRLEN(reader->js_buf); |
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351 continue; |
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352 } |
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353 if (c == NUL || c > ' ') |
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354 break; |
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355 ++reader->js_used; |
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356 } |
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357 fill_numbuflen(reader); |
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358 } |
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359 |
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360 static int |
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361 json_decode_array(js_read_T *reader, typval_T *res, int options) |
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362 { |
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363 char_u *p; |
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364 typval_T item; |
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365 listitem_T *li; |
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366 int ret; |
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367 |
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368 if (res != NULL && rettv_list_alloc(res) == FAIL) |
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369 { |
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370 res->v_type = VAR_SPECIAL; |
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371 res->vval.v_number = VVAL_NONE; |
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372 return FAIL; |
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373 } |
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374 ++reader->js_used; /* consume the '[' */ |
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375 |
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376 while (TRUE) |
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377 { |
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378 json_skip_white(reader); |
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379 p = reader->js_buf + reader->js_used; |
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380 if (*p == NUL) |
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381 return MAYBE; |
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382 if (*p == ']') |
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383 { |
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384 ++reader->js_used; /* consume the ']' */ |
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385 break; |
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386 } |
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387 |
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388 ret = json_decode_item(reader, res == NULL ? NULL : &item, options); |
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389 if (ret != OK) |
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390 return ret; |
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391 if (res != NULL) |
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392 { |
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393 li = listitem_alloc(); |
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394 if (li == NULL) |
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395 { |
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396 clear_tv(&item); |
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397 return FAIL; |
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398 } |
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399 li->li_tv = item; |
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400 list_append(res->vval.v_list, li); |
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401 } |
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402 |
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403 json_skip_white(reader); |
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404 p = reader->js_buf + reader->js_used; |
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405 if (*p == ',') |
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406 ++reader->js_used; |
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407 else if (*p != ']') |
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408 { |
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409 if (*p == NUL) |
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410 return MAYBE; |
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411 return FAIL; |
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412 } |
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413 } |
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414 return OK; |
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415 } |
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416 |
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417 static int |
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418 json_decode_object(js_read_T *reader, typval_T *res, int options) |
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419 { |
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420 char_u *p; |
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421 typval_T tvkey; |
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422 typval_T item; |
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423 dictitem_T *di; |
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424 char_u buf[NUMBUFLEN]; |
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425 char_u *key = NULL; |
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426 int ret; |
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427 |
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428 if (res != NULL && rettv_dict_alloc(res) == FAIL) |
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429 { |
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430 res->v_type = VAR_SPECIAL; |
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431 res->vval.v_number = VVAL_NONE; |
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432 return FAIL; |
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433 } |
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434 ++reader->js_used; /* consume the '{' */ |
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435 |
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436 while (TRUE) |
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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 == NUL) |
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441 return MAYBE; |
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442 if (*p == '}') |
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443 { |
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444 ++reader->js_used; /* consume the '}' */ |
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445 break; |
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446 } |
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447 |
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448 if ((options & JSON_JS) && reader->js_buf[reader->js_used] != '"') |
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449 { |
45ea5ebf3a98
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450 /* accept a key that is not in quotes */ |
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451 key = p = reader->js_buf + reader->js_used; |
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452 while (*p != NUL && *p != ':' && *p > ' ') |
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453 ++p; |
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454 tvkey.v_type = VAR_STRING; |
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455 tvkey.vval.v_string = vim_strnsave(key, (int)(p - key)); |
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456 reader->js_used += (int)(p - key); |
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457 key = tvkey.vval.v_string; |
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458 } |
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459 else |
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460 { |
7967
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461 ret = json_decode_item(reader, res == NULL ? NULL : &tvkey, |
45ea5ebf3a98
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462 options); |
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463 if (ret != OK) |
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464 return ret; |
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465 if (res != NULL) |
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466 { |
7967
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467 key = get_tv_string_buf_chk(&tvkey, buf); |
45ea5ebf3a98
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468 if (key == NULL || *key == NUL) |
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469 { |
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470 clear_tv(&tvkey); |
45ea5ebf3a98
commit https://github.com/vim/vim/commit/595e64e259faefb330866852e1b9f6168544572a
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471 return FAIL; |
45ea5ebf3a98
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472 } |
7883
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473 } |
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474 } |
bce3b5ddb393
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475 |
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
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476 json_skip_white(reader); |
bce3b5ddb393
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477 p = reader->js_buf + reader->js_used; |
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
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478 if (*p != ':') |
bce3b5ddb393
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479 { |
7883
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commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
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480 if (res != NULL) |
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481 clear_tv(&tvkey); |
98a96e0ca73b
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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 } |
bce3b5ddb393
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486 ++reader->js_used; |
bce3b5ddb393
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487 json_skip_white(reader); |
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488 |
7967
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489 ret = json_decode_item(reader, res == NULL ? NULL : &item, options); |
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490 if (ret != OK) |
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491 { |
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commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
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492 if (res != NULL) |
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493 clear_tv(&tvkey); |
98a96e0ca73b
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494 return ret; |
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495 } |
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496 |
7883
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commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
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497 if (res != NULL) |
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498 { |
7883
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commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
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499 di = dictitem_alloc(key); |
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500 clear_tv(&tvkey); |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
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501 if (di == NULL) |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
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502 { |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
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503 clear_tv(&item); |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
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504 return FAIL; |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
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changeset
|
505 } |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
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506 di->di_tv = item; |
98a96e0ca73b
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507 if (dict_add(res->vval.v_dict, di) == FAIL) |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
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508 { |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
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|
509 dictitem_free(di); |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
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|
510 return FAIL; |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
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changeset
|
511 } |
7712
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commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
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|
512 } |
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
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changeset
|
513 |
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
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|
514 json_skip_white(reader); |
bce3b5ddb393
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515 p = reader->js_buf + reader->js_used; |
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
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516 if (*p == ',') |
bce3b5ddb393
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517 ++reader->js_used; |
bce3b5ddb393
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518 else if (*p != '}') |
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519 { |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
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520 if (*p == NUL) |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
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521 return MAYBE; |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
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522 return FAIL; |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
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523 } |
7712
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|
524 } |
7883
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commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
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525 return OK; |
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526 } |
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
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|
527 |
7883
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528 static int |
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529 json_decode_string(js_read_T *reader, typval_T *res) |
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commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
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changeset
|
530 { |
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
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531 garray_T ga; |
bce3b5ddb393
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532 int len; |
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533 char_u *p; |
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534 int c; |
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535 long nr; |
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536 char_u buf[NUMBUFLEN]; |
8283
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537 #if defined(FEAT_MBYTE) && defined(USE_ICONV) |
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538 vimconv_T conv; |
b8a56d4d83e0
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539 char_u *converted = NULL; |
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540 #endif |
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541 |
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542 if (res != NULL) |
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543 ga_init2(&ga, 1, 200); |
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544 |
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545 p = reader->js_buf + reader->js_used + 1; /* skip over " */ |
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546 #if defined(FEAT_MBYTE) && defined(USE_ICONV) |
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547 if (!enc_utf8) |
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548 { |
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549 conv.vc_type = CONV_NONE; |
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550 convert_setup(&conv, (char_u*)"utf-8", p_enc); |
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551 if (conv.vc_type != CONV_NONE) |
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552 converted = p = string_convert(&conv, p, NULL); |
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553 convert_setup(&conv, NULL, NULL); |
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554 } |
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555 #endif |
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556 while (*p != '"') |
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557 { |
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558 if (*p == NUL || p[1] == NUL |
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559 #ifdef FEAT_MBYTE |
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560 || utf_ptr2len(p) < utf_byte2len(*p) |
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561 #endif |
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562 ) |
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563 { |
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564 if (reader->js_fill == NULL) |
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565 break; |
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566 len = (int)(reader->js_end - p); |
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567 reader->js_used = (int)(p - reader->js_buf); |
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568 if (!reader->js_fill(reader)) |
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569 break; /* didn't get more */ |
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570 p = reader->js_buf + reader->js_used; |
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571 reader->js_end = reader->js_buf + STRLEN(reader->js_buf); |
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572 continue; |
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573 } |
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574 |
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575 if (*p == '\\') |
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576 { |
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577 c = -1; |
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578 switch (p[1]) |
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579 { |
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580 case '\\': c = '\\'; break; |
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581 case '"': c = '"'; break; |
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582 case 'b': c = BS; break; |
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583 case 't': c = TAB; break; |
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584 case 'n': c = NL; break; |
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585 case 'f': c = FF; break; |
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586 case 'r': c = CAR; break; |
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587 case 'u': |
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588 if (reader->js_fill != NULL |
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589 && (int)(reader->js_end - p) < NUMBUFLEN) |
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590 { |
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591 reader->js_used = (int)(p - reader->js_buf); |
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592 if (reader->js_fill(reader)) |
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593 { |
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594 p = reader->js_buf + reader->js_used; |
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595 reader->js_end = reader->js_buf |
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596 + STRLEN(reader->js_buf); |
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597 } |
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598 } |
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599 nr = 0; |
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600 len = 0; |
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601 vim_str2nr(p + 2, NULL, &len, |
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602 STR2NR_HEX + STR2NR_FORCE, &nr, NULL, 4); |
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603 p += len + 2; |
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604 if (0xd800 <= nr && nr <= 0xdfff |
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605 && (int)(reader->js_end - p) >= 6 |
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606 && *p == '\\' && *(p+1) == 'u') |
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607 { |
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608 long nr2 = 0; |
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609 |
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610 /* decode surrogate pair: \ud812\u3456 */ |
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611 len = 0; |
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612 vim_str2nr(p + 2, NULL, &len, |
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613 STR2NR_HEX + STR2NR_FORCE, &nr2, NULL, 4); |
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614 if (0xdc00 <= nr2 && nr2 <= 0xdfff) |
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615 { |
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616 p += len + 2; |
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617 nr = (((nr - 0xd800) << 10) | |
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618 ((nr2 - 0xdc00) & 0x3ff)) + 0x10000; |
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619 } |
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620 } |
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621 if (res != NULL) |
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622 { |
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623 #ifdef FEAT_MBYTE |
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624 buf[utf_char2bytes((int)nr, buf)] = NUL; |
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625 ga_concat(&ga, buf); |
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626 #else |
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627 ga_append(&ga, nr); |
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628 #endif |
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629 } |
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630 break; |
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631 default: |
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632 /* not a special char, skip over \ */ |
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633 ++p; |
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634 continue; |
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635 } |
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636 if (c > 0) |
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637 { |
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638 p += 2; |
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639 if (res != NULL) |
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640 ga_append(&ga, c); |
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641 } |
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642 } |
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643 else |
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644 { |
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645 #ifdef FEAT_MBYTE |
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646 len = utf_ptr2len(p); |
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647 #else |
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648 len = 1; |
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649 #endif |
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650 if (res != NULL) |
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651 { |
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652 if (ga_grow(&ga, len) == FAIL) |
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653 { |
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654 ga_clear(&ga); |
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655 #if defined(FEAT_MBYTE) && defined(USE_ICONV) |
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656 vim_free(converted); |
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657 #endif |
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658 return FAIL; |
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659 } |
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660 mch_memmove((char *)ga.ga_data + ga.ga_len, p, (size_t)len); |
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661 ga.ga_len += len; |
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662 } |
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663 p += len; |
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664 } |
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665 } |
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666 #if defined(FEAT_MBYTE) && defined(USE_ICONV) |
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667 vim_free(converted); |
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668 #endif |
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669 |
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670 reader->js_used = (int)(p - reader->js_buf); |
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671 if (*p == '"') |
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672 { |
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673 ++reader->js_used; |
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674 if (res != NULL) |
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675 { |
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676 res->v_type = VAR_STRING; |
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677 res->vval.v_string = ga.ga_data; |
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678 } |
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679 return OK; |
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680 } |
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681 if (res != NULL) |
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682 { |
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683 res->v_type = VAR_SPECIAL; |
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684 res->vval.v_number = VVAL_NONE; |
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685 ga_clear(&ga); |
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686 } |
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687 return MAYBE; |
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688 } |
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689 |
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690 /* |
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691 * Decode one item and put it in "res". If "res" is NULL only advance. |
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692 * Must already have skipped white space. |
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693 * |
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694 * Return FAIL for a decoding error. |
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695 * Return MAYBE for an incomplete message. |
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696 */ |
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697 static int |
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698 json_decode_item(js_read_T *reader, typval_T *res, int options) |
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699 { |
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700 char_u *p; |
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701 int len; |
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702 |
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703 fill_numbuflen(reader); |
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704 p = reader->js_buf + reader->js_used; |
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705 switch (*p) |
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706 { |
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707 case '[': /* array */ |
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708 return json_decode_array(reader, res, options); |
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709 |
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710 case '{': /* object */ |
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711 return json_decode_object(reader, res, options); |
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712 |
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713 case '"': /* string */ |
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714 return json_decode_string(reader, res); |
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715 |
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
716 case ',': /* comma: empty item */ |
7967
45ea5ebf3a98
commit https://github.com/vim/vim/commit/595e64e259faefb330866852e1b9f6168544572a
Christian Brabandt <cb@256bit.org>
parents:
7965
diff
changeset
|
717 if ((options & JSON_JS) == 0) |
45ea5ebf3a98
commit https://github.com/vim/vim/commit/595e64e259faefb330866852e1b9f6168544572a
Christian Brabandt <cb@256bit.org>
parents:
7965
diff
changeset
|
718 return FAIL; |
45ea5ebf3a98
commit https://github.com/vim/vim/commit/595e64e259faefb330866852e1b9f6168544572a
Christian Brabandt <cb@256bit.org>
parents:
7965
diff
changeset
|
719 /* FALLTHROUGH */ |
7712
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
720 case NUL: /* empty */ |
7883
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
721 if (res != NULL) |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
722 { |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
723 res->v_type = VAR_SPECIAL; |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
724 res->vval.v_number = VVAL_NONE; |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
725 } |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
726 return OK; |
7712
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
727 |
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
728 default: |
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
729 if (VIM_ISDIGIT(*p) || *p == '-') |
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
730 { |
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
731 char_u *sp = p; |
7883
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
732 |
7712
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
733 #ifdef FEAT_FLOAT |
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
734 if (*sp == '-') |
7883
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
735 { |
7712
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
736 ++sp; |
7883
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
737 if (*sp == NUL) |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
738 return MAYBE; |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
739 if (!VIM_ISDIGIT(*sp)) |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
740 return FAIL; |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
741 } |
7712
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
742 sp = skipdigits(sp); |
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
743 if (*sp == '.' || *sp == 'e' || *sp == 'E') |
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
744 { |
7883
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
745 if (res == NULL) |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
746 { |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
747 float_T f; |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
748 |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
749 len = string2float(p, &f); |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
750 } |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
751 else |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
752 { |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
753 res->v_type = VAR_FLOAT; |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
754 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
|
755 } |
7712
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
756 } |
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
757 else |
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
758 #endif |
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
759 { |
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
760 long nr; |
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
761 |
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
762 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
|
763 NULL, &len, 0, /* what */ |
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
764 &nr, NULL, 0); |
7883
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
765 if (res != NULL) |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
766 { |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
767 res->v_type = VAR_NUMBER; |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
768 res->vval.v_number = nr; |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
769 } |
7712
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
770 } |
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
771 reader->js_used += len; |
7883
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
772 return OK; |
7712
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
773 } |
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
774 if (STRNICMP((char *)p, "false", 5) == 0) |
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
775 { |
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
776 reader->js_used += 5; |
7883
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
777 if (res != NULL) |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
778 { |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
779 res->v_type = VAR_SPECIAL; |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
780 res->vval.v_number = VVAL_FALSE; |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
781 } |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
782 return OK; |
7712
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
783 } |
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
784 if (STRNICMP((char *)p, "true", 4) == 0) |
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
785 { |
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
786 reader->js_used += 4; |
7883
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
787 if (res != NULL) |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
788 { |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
789 res->v_type = VAR_SPECIAL; |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
790 res->vval.v_number = VVAL_TRUE; |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
791 } |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
792 return OK; |
7712
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
793 } |
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
794 if (STRNICMP((char *)p, "null", 4) == 0) |
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
795 { |
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
796 reader->js_used += 4; |
7883
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
797 if (res != NULL) |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
798 { |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
799 res->v_type = VAR_SPECIAL; |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
800 res->vval.v_number = VVAL_NULL; |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
801 } |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
802 return OK; |
7712
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
803 } |
8228
a0e552c51c34
commit https://github.com/vim/vim/commit/f1b6ac72293e658bb6e68c5cfd926c405b1b6f34
Christian Brabandt <cb@256bit.org>
parents:
8146
diff
changeset
|
804 #ifdef FEAT_FLOAT |
a0e552c51c34
commit https://github.com/vim/vim/commit/f1b6ac72293e658bb6e68c5cfd926c405b1b6f34
Christian Brabandt <cb@256bit.org>
parents:
8146
diff
changeset
|
805 if (STRNICMP((char *)p, "NaN", 3) == 0) |
a0e552c51c34
commit https://github.com/vim/vim/commit/f1b6ac72293e658bb6e68c5cfd926c405b1b6f34
Christian Brabandt <cb@256bit.org>
parents:
8146
diff
changeset
|
806 { |
a0e552c51c34
commit https://github.com/vim/vim/commit/f1b6ac72293e658bb6e68c5cfd926c405b1b6f34
Christian Brabandt <cb@256bit.org>
parents:
8146
diff
changeset
|
807 reader->js_used += 3; |
a0e552c51c34
commit https://github.com/vim/vim/commit/f1b6ac72293e658bb6e68c5cfd926c405b1b6f34
Christian Brabandt <cb@256bit.org>
parents:
8146
diff
changeset
|
808 if (res != NULL) |
a0e552c51c34
commit https://github.com/vim/vim/commit/f1b6ac72293e658bb6e68c5cfd926c405b1b6f34
Christian Brabandt <cb@256bit.org>
parents:
8146
diff
changeset
|
809 { |
a0e552c51c34
commit https://github.com/vim/vim/commit/f1b6ac72293e658bb6e68c5cfd926c405b1b6f34
Christian Brabandt <cb@256bit.org>
parents:
8146
diff
changeset
|
810 res->v_type = VAR_FLOAT; |
8230
51ca0cee512e
commit https://github.com/vim/vim/commit/3ea0f1ae318db6cd9413914bb2ff824d71cefc6e
Christian Brabandt <cb@256bit.org>
parents:
8228
diff
changeset
|
811 res->vval.v_float = NAN; |
8228
a0e552c51c34
commit https://github.com/vim/vim/commit/f1b6ac72293e658bb6e68c5cfd926c405b1b6f34
Christian Brabandt <cb@256bit.org>
parents:
8146
diff
changeset
|
812 } |
a0e552c51c34
commit https://github.com/vim/vim/commit/f1b6ac72293e658bb6e68c5cfd926c405b1b6f34
Christian Brabandt <cb@256bit.org>
parents:
8146
diff
changeset
|
813 return OK; |
a0e552c51c34
commit https://github.com/vim/vim/commit/f1b6ac72293e658bb6e68c5cfd926c405b1b6f34
Christian Brabandt <cb@256bit.org>
parents:
8146
diff
changeset
|
814 } |
a0e552c51c34
commit https://github.com/vim/vim/commit/f1b6ac72293e658bb6e68c5cfd926c405b1b6f34
Christian Brabandt <cb@256bit.org>
parents:
8146
diff
changeset
|
815 if (STRNICMP((char *)p, "Infinity", 8) == 0) |
a0e552c51c34
commit https://github.com/vim/vim/commit/f1b6ac72293e658bb6e68c5cfd926c405b1b6f34
Christian Brabandt <cb@256bit.org>
parents:
8146
diff
changeset
|
816 { |
a0e552c51c34
commit https://github.com/vim/vim/commit/f1b6ac72293e658bb6e68c5cfd926c405b1b6f34
Christian Brabandt <cb@256bit.org>
parents:
8146
diff
changeset
|
817 reader->js_used += 8; |
a0e552c51c34
commit https://github.com/vim/vim/commit/f1b6ac72293e658bb6e68c5cfd926c405b1b6f34
Christian Brabandt <cb@256bit.org>
parents:
8146
diff
changeset
|
818 if (res != NULL) |
a0e552c51c34
commit https://github.com/vim/vim/commit/f1b6ac72293e658bb6e68c5cfd926c405b1b6f34
Christian Brabandt <cb@256bit.org>
parents:
8146
diff
changeset
|
819 { |
a0e552c51c34
commit https://github.com/vim/vim/commit/f1b6ac72293e658bb6e68c5cfd926c405b1b6f34
Christian Brabandt <cb@256bit.org>
parents:
8146
diff
changeset
|
820 res->v_type = VAR_FLOAT; |
8230
51ca0cee512e
commit https://github.com/vim/vim/commit/3ea0f1ae318db6cd9413914bb2ff824d71cefc6e
Christian Brabandt <cb@256bit.org>
parents:
8228
diff
changeset
|
821 res->vval.v_float = INFINITY; |
8228
a0e552c51c34
commit https://github.com/vim/vim/commit/f1b6ac72293e658bb6e68c5cfd926c405b1b6f34
Christian Brabandt <cb@256bit.org>
parents:
8146
diff
changeset
|
822 } |
a0e552c51c34
commit https://github.com/vim/vim/commit/f1b6ac72293e658bb6e68c5cfd926c405b1b6f34
Christian Brabandt <cb@256bit.org>
parents:
8146
diff
changeset
|
823 return OK; |
a0e552c51c34
commit https://github.com/vim/vim/commit/f1b6ac72293e658bb6e68c5cfd926c405b1b6f34
Christian Brabandt <cb@256bit.org>
parents:
8146
diff
changeset
|
824 } |
a0e552c51c34
commit https://github.com/vim/vim/commit/f1b6ac72293e658bb6e68c5cfd926c405b1b6f34
Christian Brabandt <cb@256bit.org>
parents:
8146
diff
changeset
|
825 #endif |
7883
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
826 /* check for truncated name */ |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
827 len = (int)(reader->js_end - (reader->js_buf + reader->js_used)); |
8228
a0e552c51c34
commit https://github.com/vim/vim/commit/f1b6ac72293e658bb6e68c5cfd926c405b1b6f34
Christian Brabandt <cb@256bit.org>
parents:
8146
diff
changeset
|
828 if ( |
a0e552c51c34
commit https://github.com/vim/vim/commit/f1b6ac72293e658bb6e68c5cfd926c405b1b6f34
Christian Brabandt <cb@256bit.org>
parents:
8146
diff
changeset
|
829 (len < 5 && STRNICMP((char *)p, "false", len) == 0) |
a0e552c51c34
commit https://github.com/vim/vim/commit/f1b6ac72293e658bb6e68c5cfd926c405b1b6f34
Christian Brabandt <cb@256bit.org>
parents:
8146
diff
changeset
|
830 #ifdef FEAT_FLOAT |
a0e552c51c34
commit https://github.com/vim/vim/commit/f1b6ac72293e658bb6e68c5cfd926c405b1b6f34
Christian Brabandt <cb@256bit.org>
parents:
8146
diff
changeset
|
831 || (len < 8 && STRNICMP((char *)p, "Infinity", len) == 0) |
a0e552c51c34
commit https://github.com/vim/vim/commit/f1b6ac72293e658bb6e68c5cfd926c405b1b6f34
Christian Brabandt <cb@256bit.org>
parents:
8146
diff
changeset
|
832 || (len < 3 && STRNICMP((char *)p, "NaN", len) == 0) |
a0e552c51c34
commit https://github.com/vim/vim/commit/f1b6ac72293e658bb6e68c5cfd926c405b1b6f34
Christian Brabandt <cb@256bit.org>
parents:
8146
diff
changeset
|
833 #endif |
7883
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
834 || (len < 4 && (STRNICMP((char *)p, "true", len) == 0 |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
835 || STRNICMP((char *)p, "null", len) == 0))) |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
836 return MAYBE; |
7712
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
837 break; |
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
838 } |
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
839 |
7883
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
840 if (res != NUL) |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
841 { |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
842 res->v_type = VAR_SPECIAL; |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
843 res->vval.v_number = VVAL_NONE; |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
844 } |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
845 return FAIL; |
7712
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
846 } |
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
847 |
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
848 /* |
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
849 * 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
|
850 * "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
|
851 * 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
|
852 */ |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
853 int |
7967
45ea5ebf3a98
commit https://github.com/vim/vim/commit/595e64e259faefb330866852e1b9f6168544572a
Christian Brabandt <cb@256bit.org>
parents:
7965
diff
changeset
|
854 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
|
855 { |
7883
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
856 int ret; |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
857 |
7967
45ea5ebf3a98
commit https://github.com/vim/vim/commit/595e64e259faefb330866852e1b9f6168544572a
Christian Brabandt <cb@256bit.org>
parents:
7965
diff
changeset
|
858 /* 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
|
859 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
|
860 json_skip_white(reader); |
7967
45ea5ebf3a98
commit https://github.com/vim/vim/commit/595e64e259faefb330866852e1b9f6168544572a
Christian Brabandt <cb@256bit.org>
parents:
7965
diff
changeset
|
861 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
|
862 if (ret != OK) |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
863 return FAIL; |
7712
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
864 json_skip_white(reader); |
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
865 if (reader->js_buf[reader->js_used] != NUL) |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
866 return FAIL; |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
867 return OK; |
7712
bce3b5ddb393
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
868 } |
7883
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
869 |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
870 /* |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
871 * 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
|
872 * "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
|
873 * Return FAIL if the message has a decoding error or the message is |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
874 * truncated. Consumes the message anyway. |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
875 */ |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
876 int |
7967
45ea5ebf3a98
commit https://github.com/vim/vim/commit/595e64e259faefb330866852e1b9f6168544572a
Christian Brabandt <cb@256bit.org>
parents:
7965
diff
changeset
|
877 json_decode(js_read_T *reader, typval_T *res, int options) |
7883
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
878 { |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
879 int ret; |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
880 |
7967
45ea5ebf3a98
commit https://github.com/vim/vim/commit/595e64e259faefb330866852e1b9f6168544572a
Christian Brabandt <cb@256bit.org>
parents:
7965
diff
changeset
|
881 /* 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
|
882 reader->js_end = reader->js_buf + STRLEN(reader->js_buf); |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
883 json_skip_white(reader); |
7967
45ea5ebf3a98
commit https://github.com/vim/vim/commit/595e64e259faefb330866852e1b9f6168544572a
Christian Brabandt <cb@256bit.org>
parents:
7965
diff
changeset
|
884 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
|
885 json_skip_white(reader); |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
886 |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
887 return ret == OK ? OK : FAIL; |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
888 } |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
889 |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
890 /* |
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
Christian Brabandt <cb@256bit.org>
parents:
7868
diff
changeset
|
891 * Decode the JSON from "reader" to find the end of the message. |
7967
45ea5ebf3a98
commit https://github.com/vim/vim/commit/595e64e259faefb330866852e1b9f6168544572a
Christian Brabandt <cb@256bit.org>
parents:
7965
diff
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892 * "options" can be JSON_JS or zero; |
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893 * Return FAIL if the message has a decoding error. |
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894 * Return MAYBE if the message is truncated, need to read more. |
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895 * This only works reliable if the message contains an object, array or |
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896 * string. A number might be trucated without knowing. |
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897 * Does not advance the reader. |
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898 */ |
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899 int |
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900 json_find_end(js_read_T *reader, int options) |
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901 { |
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902 int used_save = reader->js_used; |
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903 int ret; |
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904 |
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905 /* We find the end once, to avoid calling strlen() many times. */ |
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906 reader->js_end = reader->js_buf + STRLEN(reader->js_buf); |
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907 json_skip_white(reader); |
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908 ret = json_decode_item(reader, NULL, options); |
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909 reader->js_used = used_save; |
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910 return ret; |
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911 } |
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912 #endif |