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 <span id="projectnumber">3.1.1</span>
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<div class="title">parsedjson_iterator.h</div> </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// TODO Remove this -- deprecated API and files</span></div>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span>  </div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="preprocessor">#ifndef SIMDJSON_DOM_PARSEDJSON_ITERATOR_H</span></div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="preprocessor">#define SIMDJSON_DOM_PARSEDJSON_ITERATOR_H</span></div>
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<div class="line"><a name="l00005"></a><span class="lineno"> 5</span>  </div>
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<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="preprocessor">#include <cstring></span></div>
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<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="preprocessor">#include <string></span></div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="preprocessor">#include <ostream></span></div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="preprocessor">#include <iterator></span></div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#include <limits></span></div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#include <stdexcept></span></div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>  </div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#include "simdjson/dom/document.h"</span></div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include "simdjson/dom/parsedjson.h"</span></div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#include "simdjson/internal/jsonformatutils.h"</span></div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>  </div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#ifndef SIMDJSON_DISABLE_DEPRECATED_API</span></div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>  </div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="keyword">namespace </span><a class="code" href="namespacesimdjson.html">simdjson</a> {</div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="keyword">class </span>[[deprecated("Use the new DOM navigation API instead (see doc/basics.md)")]] dom::parser::Iterator {</div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  <span class="keyword">inline</span> Iterator(<span class="keyword">const</span> dom::parser &parser) noexcept(<span class="keyword">false</span>);</div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  <span class="keyword">inline</span> Iterator(<span class="keyword">const</span> Iterator &o) noexcept;</div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  <span class="keyword">inline</span> ~Iterator() noexcept;</div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  </div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  inline Iterator& operator=(const Iterator&) = delete;</div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  </div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  inline <span class="keywordtype">bool</span> is_ok() const;</div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  </div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <span class="comment">// useful for debugging purposes</span></div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  inline <span class="keywordtype">size_t</span> get_tape_location() const;</div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  </div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  <span class="comment">// useful for debugging purposes</span></div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  inline <span class="keywordtype">size_t</span> get_tape_length() const;</div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  </div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="comment">// returns the current depth (start at 1 with 0 reserved for the fictitious</span></div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="comment">// root node)</span></div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  inline <span class="keywordtype">size_t</span> get_depth() const;</div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  </div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="comment">// A scope is a series of nodes at the same depth, typically it is either an</span></div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <span class="comment">// object ({) or an array ([). The root node has type 'r'.</span></div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  inline uint8_t get_scope_type() const;</div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  </div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="comment">// move forward in document order</span></div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  inline <span class="keywordtype">bool</span> move_forward();</div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  </div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="comment">// retrieve the character code of what we're looking at:</span></div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="comment">// [{"slutfn are the possibilities</span></div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  inline uint8_t get_type()<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keywordflow">return</span> current_type; <span class="comment">// short functions should be inlined!</span></div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  }</div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  </div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="comment">// get the int64_t value at this node; valid only if get_type is "l"</span></div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="keyword">inline</span> int64_t get_integer()<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="keywordflow">if</span> (location + 1 >= tape_length) {</div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keywordflow">return</span> 0; <span class="comment">// default value in case of error</span></div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  }</div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keywordflow">return</span> <span class="keyword">static_cast<</span>int64_t<span class="keyword">></span>(doc.tape[location + 1]);</div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  }</div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  </div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="comment">// get the value as uint64; valid only if if get_type is "u"</span></div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keyword">inline</span> uint64_t get_unsigned_integer()<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keywordflow">if</span> (location + 1 >= tape_length) {</div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keywordflow">return</span> 0; <span class="comment">// default value in case of error</span></div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  }</div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keywordflow">return</span> doc.tape[location + 1];</div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  }</div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  </div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="comment">// get the string value at this node (NULL ended); valid only if get_type is "</span></div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="comment">// note that tabs, and line endings are escaped in the returned value (see</span></div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="comment">// print_with_escapes) return value is valid UTF-8, it may contain NULL chars</span></div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="comment">// within the string: get_string_length determines the true string length.</span></div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keyword">inline</span> <span class="keyword">const</span> <span class="keywordtype">char</span> *get_string()<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keywordflow">return</span> <span class="keyword">reinterpret_cast<</span><span class="keyword">const </span><span class="keywordtype">char</span> *<span class="keyword">></span>(</div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  doc.string_buf.get() + (current_val & internal::JSON_VALUE_MASK) + <span class="keyword">sizeof</span>(uint32_t));</div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  }</div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  </div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="comment">// return the length of the string in bytes</span></div>
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keyword">inline</span> uint32_t get_string_length()<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  uint32_t answer;</div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  std::memcpy(&answer,</div>
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<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keyword">reinterpret_cast<</span><span class="keyword">const </span><span class="keywordtype">char</span> *<span class="keyword">></span>(doc.string_buf.get() +</div>
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<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  (current_val & internal::JSON_VALUE_MASK)),</div>
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<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keyword">sizeof</span>(uint32_t));</div>
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<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keywordflow">return</span> answer;</div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  }</div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  </div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="comment">// get the double value at this node; valid only if</span></div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="comment">// get_type() is "d"</span></div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keyword">inline</span> <span class="keywordtype">double</span> get_double()<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keywordflow">if</span> (location + 1 >= tape_length) {</div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keywordflow">return</span> std::numeric_limits<double>::quiet_NaN(); <span class="comment">// default value in</span></div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="comment">// case of error</span></div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  }</div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keywordtype">double</span> answer;</div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  std::memcpy(&answer, &doc.tape[location + 1], <span class="keyword">sizeof</span>(answer));</div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keywordflow">return</span> answer;</div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  }</div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  </div>
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<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keyword">inline</span> <span class="keywordtype">bool</span> is_object_or_array()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> is_object() || is_array(); }</div>
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<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  </div>
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keyword">inline</span> <span class="keywordtype">bool</span> is_object()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> get_type() == <span class="charliteral">'{'</span>; }</div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  </div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="keyword">inline</span> <span class="keywordtype">bool</span> is_array()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> get_type() == <span class="charliteral">'['</span>; }</div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  </div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keyword">inline</span> <span class="keywordtype">bool</span> is_string()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> get_type() == <span class="charliteral">'"'</span>; }</div>
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<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  </div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="comment">// Returns true if the current type of the node is an signed integer.</span></div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="comment">// You can get its value with `get_integer()`.</span></div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keyword">inline</span> <span class="keywordtype">bool</span> is_integer()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> get_type() == <span class="charliteral">'l'</span>; }</div>
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<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  </div>
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<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="comment">// Returns true if the current type of the node is an unsigned integer.</span></div>
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<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="comment">// You can get its value with `get_unsigned_integer()`.</span></div>
|
|
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="comment">//</span></div>
|
|
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="comment">// NOTE:</span></div>
|
|
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="comment">// Only a large value, which is out of range of a 64-bit signed integer, is</span></div>
|
|
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="comment">// represented internally as an unsigned node. On the other hand, a typical</span></div>
|
|
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="comment">// positive integer, such as 1, 42, or 1000000, is as a signed node.</span></div>
|
|
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="comment">// Be aware this function returns false for a signed node.</span></div>
|
|
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="keyword">inline</span> <span class="keywordtype">bool</span> is_unsigned_integer()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> get_type() == <span class="charliteral">'u'</span>; }</div>
|
|
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="comment">// Returns true if the current type of the node is a double floating-point number.</span></div>
|
|
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="keyword">inline</span> <span class="keywordtype">bool</span> is_double()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> get_type() == <span class="charliteral">'d'</span>; }</div>
|
|
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="comment">// Returns true if the current type of the node is a number (integer or floating-point).</span></div>
|
|
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keyword">inline</span> <span class="keywordtype">bool</span> is_number()<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keywordflow">return</span> is_integer() || is_unsigned_integer() || is_double();</div>
|
|
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  }</div>
|
|
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="comment">// Returns true if the current type of the node is a bool with true value.</span></div>
|
|
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keyword">inline</span> <span class="keywordtype">bool</span> is_true()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> get_type() == <span class="charliteral">'t'</span>; }</div>
|
|
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="comment">// Returns true if the current type of the node is a bool with false value.</span></div>
|
|
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keyword">inline</span> <span class="keywordtype">bool</span> is_false()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> get_type() == <span class="charliteral">'f'</span>; }</div>
|
|
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="comment">// Returns true if the current type of the node is null.</span></div>
|
|
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keyword">inline</span> <span class="keywordtype">bool</span> is_null()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> get_type() == <span class="charliteral">'n'</span>; }</div>
|
|
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="comment">// Returns true if the type byte represents an object of an array</span></div>
|
|
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="keyword">static</span> <span class="keywordtype">bool</span> is_object_or_array(uint8_t type) {</div>
|
|
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="keywordflow">return</span> ((type == <span class="charliteral">'['</span>) || (type == <span class="charliteral">'{'</span>));</div>
|
|
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  }</div>
|
|
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  </div>
|
|
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="comment">// when at {, go one level deep, looking for a given key</span></div>
|
|
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="comment">// if successful, we are left pointing at the value,</span></div>
|
|
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="comment">// if not, we are still pointing at the object ({)</span></div>
|
|
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="comment">// (in case of repeated keys, this only finds the first one).</span></div>
|
|
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="comment">// We seek the key using C's strcmp so if your JSON strings contain</span></div>
|
|
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="comment">// NULL chars, this would trigger a false positive: if you expect that</span></div>
|
|
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="comment">// to be the case, take extra precautions.</span></div>
|
|
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="comment">// Furthermore, we do the comparison character-by-character</span></div>
|
|
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="comment">// without taking into account Unicode equivalence.</span></div>
|
|
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="keyword">inline</span> <span class="keywordtype">bool</span> move_to_key(<span class="keyword">const</span> <span class="keywordtype">char</span> *key);</div>
|
|
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  </div>
|
|
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="comment">// as above, but case insensitive lookup (strcmpi instead of strcmp)</span></div>
|
|
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="keyword">inline</span> <span class="keywordtype">bool</span> move_to_key_insensitive(<span class="keyword">const</span> <span class="keywordtype">char</span> *key);</div>
|
|
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  </div>
|
|
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="comment">// when at {, go one level deep, looking for a given key</span></div>
|
|
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="comment">// if successful, we are left pointing at the value,</span></div>
|
|
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="comment">// if not, we are still pointing at the object ({)</span></div>
|
|
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="comment">// (in case of repeated keys, this only finds the first one).</span></div>
|
|
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="comment">// The string we search for can contain NULL values.</span></div>
|
|
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="comment">// Furthermore, we do the comparison character-by-character</span></div>
|
|
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="comment">// without taking into account Unicode equivalence.</span></div>
|
|
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="keyword">inline</span> <span class="keywordtype">bool</span> move_to_key(<span class="keyword">const</span> <span class="keywordtype">char</span> *key, uint32_t length);</div>
|
|
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  </div>
|
|
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="comment">// when at a key location within an object, this moves to the accompanying</span></div>
|
|
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="comment">// value (located next to it). This is equivalent but much faster than</span></div>
|
|
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="comment">// calling "next()".</span></div>
|
|
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="keyword">inline</span> <span class="keywordtype">void</span> move_to_value();</div>
|
|
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  </div>
|
|
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="comment">// when at [, go one level deep, and advance to the given index.</span></div>
|
|
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="comment">// if successful, we are left pointing at the value,</span></div>
|
|
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="comment">// if not, we are still pointing at the array ([)</span></div>
|
|
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keyword">inline</span> <span class="keywordtype">bool</span> move_to_index(uint32_t index);</div>
|
|
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  </div>
|
|
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="comment">// Moves the iterator to the value corresponding to the json pointer.</span></div>
|
|
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="comment">// Always search from the root of the document.</span></div>
|
|
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <span class="comment">// if successful, we are left pointing at the value,</span></div>
|
|
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="comment">// if not, we are still pointing the same value we were pointing before the</span></div>
|
|
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="comment">// call. The json pointer follows the rfc6901 standard's syntax:</span></div>
|
|
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <span class="comment">// https://tools.ietf.org/html/rfc6901 However, the standard says "If a</span></div>
|
|
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <span class="comment">// referenced member name is not unique in an object, the member that is</span></div>
|
|
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span class="comment">// referenced is undefined, and evaluation fails". Here we just return the</span></div>
|
|
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  <span class="comment">// first corresponding value. The length parameter is the length of the</span></div>
|
|
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="comment">// jsonpointer string ('pointer').</span></div>
|
|
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="keyword">inline</span> <span class="keywordtype">bool</span> move_to(<span class="keyword">const</span> <span class="keywordtype">char</span> *pointer, uint32_t length);</div>
|
|
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  </div>
|
|
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="comment">// Moves the iterator to the value corresponding to the json pointer.</span></div>
|
|
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="comment">// Always search from the root of the document.</span></div>
|
|
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  <span class="comment">// if successful, we are left pointing at the value,</span></div>
|
|
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  <span class="comment">// if not, we are still pointing the same value we were pointing before the</span></div>
|
|
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <span class="comment">// call. The json pointer implementation follows the rfc6901 standard's</span></div>
|
|
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <span class="comment">// syntax: https://tools.ietf.org/html/rfc6901 However, the standard says</span></div>
|
|
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="comment">// "If a referenced member name is not unique in an object, the member that</span></div>
|
|
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <span class="comment">// is referenced is undefined, and evaluation fails". Here we just return</span></div>
|
|
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  <span class="comment">// the first corresponding value.</span></div>
|
|
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <span class="keyword">inline</span> <span class="keywordtype">bool</span> move_to(<span class="keyword">const</span> std::string &pointer) {</div>
|
|
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <span class="keywordflow">return</span> move_to(pointer.c_str(), uint32_t(pointer.length()));</div>
|
|
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  }</div>
|
|
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  </div>
|
|
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  <span class="keyword">private</span>:</div>
|
|
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span class="comment">// Almost the same as move_to(), except it searches from the current</span></div>
|
|
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="comment">// position. The pointer's syntax is identical, though that case is not</span></div>
|
|
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <span class="comment">// handled by the rfc6901 standard. The '/' is still required at the</span></div>
|
|
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  <span class="comment">// beginning. However, contrary to move_to(), the URI Fragment Identifier</span></div>
|
|
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  <span class="comment">// Representation is not supported here. Also, in case of failure, we are</span></div>
|
|
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <span class="comment">// left pointing at the closest value it could reach. For these reasons it</span></div>
|
|
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <span class="comment">// is private. It exists because it is used by move_to().</span></div>
|
|
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <span class="keyword">inline</span> <span class="keywordtype">bool</span> relative_move_to(<span class="keyword">const</span> <span class="keywordtype">char</span> *pointer, uint32_t length);</div>
|
|
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  </div>
|
|
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <span class="keyword">public</span>:</div>
|
|
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <span class="comment">// throughout return true if we can do the navigation, false</span></div>
|
|
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <span class="comment">// otherwise</span></div>
|
|
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  </div>
|
|
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  <span class="comment">// Within a given scope (series of nodes at the same depth within either an</span></div>
|
|
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  <span class="comment">// array or an object), we move forward.</span></div>
|
|
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <span class="comment">// Thus, given [true, null, {"a":1}, [1,2]], we would visit true, null, {</span></div>
|
|
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  <span class="comment">// and [. At the object ({) or at the array ([), you can issue a "down" to</span></div>
|
|
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <span class="comment">// visit their content. valid if we're not at the end of a scope (returns</span></div>
|
|
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <span class="comment">// true).</span></div>
|
|
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <span class="keyword">inline</span> <span class="keywordtype">bool</span> next();</div>
|
|
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  </div>
|
|
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <span class="comment">// Within a given scope (series of nodes at the same depth within either an</span></div>
|
|
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  <span class="comment">// array or an object), we move backward.</span></div>
|
|
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="comment">// Thus, given [true, null, {"a":1}, [1,2]], we would visit ], }, null, true</span></div>
|
|
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <span class="comment">// when starting at the end of the scope. At the object ({) or at the array</span></div>
|
|
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="comment">// ([), you can issue a "down" to visit their content.</span></div>
|
|
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <span class="comment">// Performance warning: This function is implemented by starting again</span></div>
|
|
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  <span class="comment">// from the beginning of the scope and scanning forward. You should expect</span></div>
|
|
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <span class="comment">// it to be relatively slow.</span></div>
|
|
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  <span class="keyword">inline</span> <span class="keywordtype">bool</span> prev();</div>
|
|
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  </div>
|
|
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <span class="comment">// Moves back to either the containing array or object (type { or [) from</span></div>
|
|
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <span class="comment">// within a contained scope.</span></div>
|
|
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  <span class="comment">// Valid unless we are at the first level of the document</span></div>
|
|
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  <span class="keyword">inline</span> <span class="keywordtype">bool</span> up();</div>
|
|
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  </div>
|
|
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  <span class="comment">// Valid if we're at a [ or { and it starts a non-empty scope; moves us to</span></div>
|
|
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  <span class="comment">// start of that deeper scope if it not empty. Thus, given [true, null,</span></div>
|
|
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  <span class="comment">// {"a":1}, [1,2]], if we are at the { node, we would move to the "a" node.</span></div>
|
|
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  <span class="keyword">inline</span> <span class="keywordtype">bool</span> down();</div>
|
|
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  </div>
|
|
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  <span class="comment">// move us to the start of our current scope,</span></div>
|
|
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  <span class="comment">// a scope is a series of nodes at the same level</span></div>
|
|
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  <span class="keyword">inline</span> <span class="keywordtype">void</span> to_start_scope();</div>
|
|
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  </div>
|
|
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  <span class="keyword">inline</span> <span class="keywordtype">void</span> rewind() {</div>
|
|
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  <span class="keywordflow">while</span> (up())</div>
|
|
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  ;</div>
|
|
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  }</div>
|
|
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  </div>
|
|
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  </div>
|
|
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  </div>
|
|
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  <span class="comment">// print the node we are currently pointing at</span></div>
|
|
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  <span class="keyword">inline</span> <span class="keywordtype">bool</span> print(std::ostream &os, <span class="keywordtype">bool</span> escape_strings = <span class="keyword">true</span>) <span class="keyword">const</span>;</div>
|
|
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  </div>
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<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  <span class="keyword">private</span>:</div>
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<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  <span class="keyword">const</span> document &doc;</div>
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<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  <span class="keywordtype">size_t</span> max_depth{};</div>
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<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  <span class="keywordtype">size_t</span> depth{};</div>
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<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  <span class="keywordtype">size_t</span> location{}; <span class="comment">// our current location on a tape</span></div>
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<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  <span class="keywordtype">size_t</span> tape_length{};</div>
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<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  uint8_t current_type{};</div>
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<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  uint64_t current_val{};</div>
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<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  <span class="keyword">typedef</span> <span class="keyword">struct </span>{</div>
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<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  <span class="keywordtype">size_t</span> start_of_scope;</div>
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<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  uint8_t scope_type;</div>
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<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  } scopeindex_t;</div>
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<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  </div>
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<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  scopeindex_t *depth_index{};</div>
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<div class="line"><a name="l00267"></a><span class="lineno"> 267</span> };</div>
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<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  </div>
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<div class="line"><a name="l00269"></a><span class="lineno"> 269</span> } <span class="comment">// namespace simdjson</span></div>
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<div class="line"><a name="l00270"></a><span class="lineno"> 270</span> <span class="preprocessor">#endif </span><span class="comment">// SIMDJSON_DISABLE_DEPRECATED_API</span></div>
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<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  </div>
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<div class="line"><a name="l00272"></a><span class="lineno"> 272</span> <span class="preprocessor">#endif </span><span class="comment">// SIMDJSON_DOM_PARSEDJSON_ITERATOR_H</span></div>
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<div class="ttc" id="anamespacesimdjson_html"><div class="ttname"><a href="namespacesimdjson.html">simdjson</a></div><div class="ttdoc">We want to support argument-dependent lookup (ADL).</div><div class="ttdef"><b>Definition:</b> <a href="arm64_2bitmanipulation_8h_source.html#l00004">bitmanipulation.h:4</a></div></div>
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