| line |
stmt |
bran |
cond |
sub |
pod |
time |
code |
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1
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/* Type for adding whitespace. */ |
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2
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3
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typedef struct json_s { |
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4
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SV * sv; |
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5
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char * s; |
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6
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STRLEN sl; |
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7
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} |
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8
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json_s_t; |
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9
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10
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typedef struct json_ws { |
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11
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SV * news; |
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12
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SV * olds; |
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13
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/* Length of original string. */ |
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14
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STRLEN olds_l; |
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15
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/* Length of new string. */ |
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16
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unsigned int news_l; |
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17
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/* Copy point. */ |
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18
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char * q; |
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19
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/* Origin */ |
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20
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char * p; |
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21
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/* Top of token tree. */ |
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22
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json_token_t * t; |
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23
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/* Token under examination now. */ |
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24
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json_token_t * next; |
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25
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26
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/* Whitespace to add before and after. */ |
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27
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char * before[n_json_tokens]; |
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28
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char * after[n_json_tokens]; |
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29
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int array_depth; |
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30
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int object_depth; |
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31
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char * array_indent; |
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32
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char * object_indent; |
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33
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} |
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34
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json_ws_t; |
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35
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36
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0
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static void copy_whitespace (json_ws_t * ws, char * w) |
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37
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{ |
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38
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char * q; |
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39
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0
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q = ws->q; |
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40
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0
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0
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while (*w) { |
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41
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0
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*q++ = *w++; |
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42
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} |
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43
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0
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ws->q = q; |
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44
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0
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} |
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45
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46
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static INLINE int whitespace_json (json_ws_t * ws) |
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47
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{ |
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48
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/* Copy place. */ |
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49
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char * c; |
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50
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/* Value of q at entry to this routine, used to calculate added |
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51
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length. */ |
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52
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char * qorig; |
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53
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json_token_t * next; |
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54
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char * q; |
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55
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56
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q = ws->q; |
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57
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qorig = q; |
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58
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next = ws->next; |
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59
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60
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while (next) { |
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61
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/* Copy start of string. */ |
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62
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copy_whitespace (ws, ws->before[next->type]); |
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63
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switch (next->type) { |
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64
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case json_token_object: |
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65
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*q++ = '{'; |
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66
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ws->object_depth++; |
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67
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ws->q = q; |
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68
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q += whitespace_json (ws); |
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69
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ws->object_depth--; |
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70
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*q++ = '}'; |
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71
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break; |
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72
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case json_token_array: |
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73
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*q++ = '['; |
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74
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ws->array_depth++; |
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75
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ws->q = q; |
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76
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q += whitespace_json (ws); |
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77
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ws->object_depth--; |
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78
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*q++ = ']'; |
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79
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break; |
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80
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case json_token_string: |
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81
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case json_token_key: |
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82
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case json_token_literal: |
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83
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case json_token_number: |
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84
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for (c = ws->p + next->start; c <= ws->p + next->end; c++) { |
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85
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*q++ = *c; |
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86
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} |
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87
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break; |
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88
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case json_token_comma: |
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89
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*q++ = ','; |
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90
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break; |
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91
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case json_token_colon: |
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92
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*q++ = ':'; |
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93
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break; |
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94
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default: |
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95
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croak ("unhandled token type %d", next->type); |
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96
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} |
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97
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/* Copy end of string. */ |
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98
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c = ws->after[next->type]; |
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99
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while (*c) { |
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100
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*q++ = *c++; |
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101
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} |
|
102
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next = next->next; |
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103
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} |
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104
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return q - qorig; |
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105
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} |
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106
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107
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6
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static int copy_json (char * p, char * q, json_token_t * t) |
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108
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{ |
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109
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/* Loop variable. */ |
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110
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json_token_t * next; |
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111
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/* Copy place. */ |
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112
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char * c; |
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113
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/* Value of q at entry to this routine, used to calculate added |
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114
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length. */ |
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115
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char * qorig; |
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116
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117
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6
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next = t; |
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118
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6
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qorig = q; |
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119
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86
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100
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while (next) { |
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120
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80
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switch (next->type) { |
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121
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case json_token_object: |
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122
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5
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*q++ = '{'; |
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123
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5
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q += copy_json (p, q, next->child); |
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124
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5
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*q++ = '}'; |
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125
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5
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break; |
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126
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case json_token_array: |
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127
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0
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*q++ = '['; |
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128
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0
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q += copy_json (p, q, next->child); |
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129
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0
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*q++ = ']'; |
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130
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0
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break; |
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131
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case json_token_string: |
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132
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case json_token_key: |
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133
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case json_token_literal: |
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134
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case json_token_number: |
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135
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244
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100
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for (c = p + next->start; c < p + next->end; c++) { |
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136
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206
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*q++ = *c; |
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137
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} |
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138
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38
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break; |
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139
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case json_token_comma: |
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140
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16
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*q++ = ','; |
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141
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16
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break; |
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142
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case json_token_colon: |
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143
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21
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*q++ = ':'; |
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144
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21
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break; |
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145
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default: |
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146
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0
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croak ("unhandled token type %d", next->type); |
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147
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} |
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148
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80
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next = next->next; |
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149
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} |
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150
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6
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return q - qorig; |
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151
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} |
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152
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153
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/* Remove all the whitespace. */ |
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154
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155
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1
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static SV * strip_whitespace (json_token_t * tokens, SV * json) |
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156
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{ |
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157
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SV * stripped; |
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158
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char * p; |
|
159
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char * q; |
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160
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/* Original length. */ |
|
161
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STRLEN l; |
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162
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/* Length of output. */ |
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163
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unsigned int m; |
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164
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1
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50
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p = SvPV (json, l); |
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165
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1
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stripped = newSV (l); |
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166
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/* Tell Perl it's a string. */ |
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167
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1
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SvPOK_on (stripped); |
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168
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/* Set UTF-8 if necessary. */ |
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169
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1
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50
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if (SvUTF8 (json)) { |
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170
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1
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SvUTF8_on (stripped); |
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171
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} |
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172
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/* Get a pointer to the string inside "stripped". */ |
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173
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1
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q = SvPVX (stripped); |
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174
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1
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m = copy_json (p, q, tokens); |
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175
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/* Set the length. */ |
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176
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1
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SvCUR_set (stripped, m); |
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177
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1
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return stripped; |
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178
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} |
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179
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180
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0
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static SV * indent (json_token_t * tokens, SV * json) |
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181
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{ |
|
182
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|
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int i; |
|
183
|
0
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json_ws_t j = {0}; |
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184
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|
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185
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0
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j.olds = json; |
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186
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0
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0
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j.p = SvPV (j.olds, j.olds_l); |
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187
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0
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j.t = tokens; |
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188
|
0
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j.next = tokens; |
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189
|
0
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0
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for (i = 0; i < n_json_tokens; i++) { |
|
190
|
0
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j.before[i] = ""; |
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191
|
0
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j.after[i] = ""; |
|
192
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|
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} |
|
193
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0
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j.after[json_token_comma] = "\n"; |
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194
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0
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j.after[json_token_object] = "\n"; |
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195
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0
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j.after[json_token_array] = "\n"; |
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196
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0
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|
return &PL_sv_undef; |
|
197
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|
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} |