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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// Tencent is pleased to support the open source community by making RapidJSON available.</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// </span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All rights reserved.</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">//</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">// Licensed under the MIT License (the "License"); you may not use this file except</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">// in compliance with the License. You may obtain a copy of the License at</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">//</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">// http://opensource.org/licenses/MIT</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">//</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">// Unless required by applicable law or agreed to in writing, software distributed </span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR </span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">// CONDITIONS OF ANY KIND, either express or implied. See the License for the </span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment">// specific language governing permissions and limitations under the License.</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> </div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#ifndef RAPIDJSON_ISTREAMWRAPPER_H_</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#define RAPIDJSON_ISTREAMWRAPPER_H_</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> </div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include "stream.h"</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include <iosfwd></span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> </div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#ifdef __clang__</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> RAPIDJSON_DIAG_PUSH</div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> RAPIDJSON_DIAG_OFF(padded)</div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> </div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#ifdef _MSC_VER</span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> RAPIDJSON_DIAG_PUSH</div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> RAPIDJSON_DIAG_OFF(4351) <span class="comment">// new behavior: elements of array 'array' will be default initialized</span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> </div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> RAPIDJSON_NAMESPACE_BEGIN</div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment"></span></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="comment">//! Wrapper of \c std::basic_istream into RapidJSON's Stream concept.</span></div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="comment"></span><span class="comment">/*!</span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="comment"> The classes can be wrapped including but not limited to:</span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="comment"></span></div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="comment"> - \c std::istringstream</span></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="comment"> - \c std::stringstream</span></div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="comment"> - \c std::wistringstream</span></div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="comment"> - \c std::wstringstream</span></div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="comment"> - \c std::ifstream</span></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="comment"> - \c std::fstream</span></div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="comment"> - \c std::wifstream</span></div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="comment"> - \c std::wfstream</span></div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="comment"></span></div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="comment"> \tparam StreamType Class derived from \c std::basic_istream.</span></div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="comment">*/</span></div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  </div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="keyword">template</span> <<span class="keyword">typename</span> StreamType></div><div class="line"><a name="l00050"></a><span class="lineno"><a class="line" href="classrapidjson_1_1_basic_i_stream_wrapper.html"> 50</a></span> <span class="keyword">class </span><a class="code" href="classrapidjson_1_1_basic_i_stream_wrapper.html">BasicIStreamWrapper</a> {</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> StreamType::char_type Ch;</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <a class="code" href="classrapidjson_1_1_basic_i_stream_wrapper.html">BasicIStreamWrapper</a>(StreamType& stream) : stream_(stream), count_(), peekBuffer_() {}</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> </div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  Ch Peek()<span class="keyword"> const </span>{ </div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="keyword">typename</span> StreamType::int_type c = stream_.peek();</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keywordflow">return</span> <a class="code" href="group___r_a_p_i_d_j_s_o_n___c_o_n_f_i_g.html#ga5dc14176a9e71ace282404b0bcda57a1">RAPIDJSON_LIKELY</a>(c != StreamType::traits_type::eof()) ? <span class="keyword">static_cast<</span>Ch<span class="keyword">></span>(c) : <span class="charliteral">'\0'</span>;</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  }</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> </div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  Ch Take() { </div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keyword">typename</span> StreamType::int_type c = stream_.get();</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keywordflow">if</span> (<a class="code" href="group___r_a_p_i_d_j_s_o_n___c_o_n_f_i_g.html#ga5dc14176a9e71ace282404b0bcda57a1">RAPIDJSON_LIKELY</a>(c != StreamType::traits_type::eof())) {</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  count_++;</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keywordflow">return</span> <span class="keyword">static_cast<</span>Ch<span class="keyword">></span>(c);</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  }</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keywordflow">else</span></div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keywordflow">return</span> <span class="charliteral">'\0'</span>;</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  }</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span> </div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="comment">// tellg() may return -1 when failed. So we count by ourself.</span></div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keywordtype">size_t</span> Tell()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> count_; }</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span> </div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  Ch* PutBegin() { <a class="code" href="group___r_a_p_i_d_j_s_o_n___c_o_n_f_i_g.html#gabeba18d612187bad2ac62aed9276d47c">RAPIDJSON_ASSERT</a>(<span class="keyword">false</span>); <span class="keywordflow">return</span> 0; }</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keywordtype">void</span> Put(Ch) { <a class="code" href="group___r_a_p_i_d_j_s_o_n___c_o_n_f_i_g.html#gabeba18d612187bad2ac62aed9276d47c">RAPIDJSON_ASSERT</a>(<span class="keyword">false</span>); }</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keywordtype">void</span> Flush() { <a class="code" href="group___r_a_p_i_d_j_s_o_n___c_o_n_f_i_g.html#gabeba18d612187bad2ac62aed9276d47c">RAPIDJSON_ASSERT</a>(<span class="keyword">false</span>); }</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keywordtype">size_t</span> PutEnd(Ch*) { <a class="code" href="group___r_a_p_i_d_j_s_o_n___c_o_n_f_i_g.html#gabeba18d612187bad2ac62aed9276d47c">RAPIDJSON_ASSERT</a>(<span class="keyword">false</span>); <span class="keywordflow">return</span> 0; }</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span> </div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="comment">// For encoding detection only.</span></div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keyword">const</span> Ch* Peek4()<span class="keyword"> const </span>{</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <a class="code" href="group___r_a_p_i_d_j_s_o_n___c_o_n_f_i_g.html#gabeba18d612187bad2ac62aed9276d47c">RAPIDJSON_ASSERT</a>(<span class="keyword">sizeof</span>(Ch) == 1); <span class="comment">// Only usable for byte stream.</span></div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keywordtype">int</span> i;</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keywordtype">bool</span> hasError = <span class="keyword">false</span>;</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keywordflow">for</span> (i = 0; i < 4; ++i) {</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keyword">typename</span> StreamType::int_type c = stream_.get();</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keywordflow">if</span> (c == StreamType::traits_type::eof()) {</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  hasError = <span class="keyword">true</span>;</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  stream_.clear();</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  }</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  peekBuffer_[i] = <span class="keyword">static_cast<</span>Ch<span class="keyword">></span>(c);</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  }</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keywordflow">for</span> (--i; i >= 0; --i)</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  stream_.putback(peekBuffer_[i]);</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keywordflow">return</span> !hasError ? peekBuffer_ : 0;</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  }</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span> </div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span> <span class="keyword">private</span>:</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <a class="code" href="classrapidjson_1_1_basic_i_stream_wrapper.html">BasicIStreamWrapper</a>(<span class="keyword">const</span> <a class="code" href="classrapidjson_1_1_basic_i_stream_wrapper.html">BasicIStreamWrapper</a>&);</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <a class="code" href="classrapidjson_1_1_basic_i_stream_wrapper.html">BasicIStreamWrapper</a>& operator=(<span class="keyword">const</span> <a class="code" href="classrapidjson_1_1_basic_i_stream_wrapper.html">BasicIStreamWrapper</a>&);</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span> </div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  StreamType& stream_;</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keywordtype">size_t</span> count_; <span class="comment">//!< Number of characters read. Note:</span></div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span> <span class="comment"></span> <span class="keyword">mutable</span> Ch peekBuffer_[4];</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span> };</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span> </div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span> <span class="keyword">typedef</span> <a class="code" href="classrapidjson_1_1_basic_i_stream_wrapper.html">BasicIStreamWrapper<std::istream></a> <a class="code" href="classrapidjson_1_1_basic_i_stream_wrapper.html">IStreamWrapper</a>;</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span> <span class="keyword">typedef</span> <a class="code" href="classrapidjson_1_1_basic_i_stream_wrapper.html">BasicIStreamWrapper<std::wistream></a> <a class="code" href="classrapidjson_1_1_basic_i_stream_wrapper.html">WIStreamWrapper</a>;</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span> </div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span> <span class="preprocessor">#if defined(__clang__) || defined(_MSC_VER)</span></div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span> RAPIDJSON_DIAG_POP</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span> </div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span> RAPIDJSON_NAMESPACE_END</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span> </div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span> <span class="preprocessor">#endif // RAPIDJSON_ISTREAMWRAPPER_H_</span></div><div class="ttc" id="group___r_a_p_i_d_j_s_o_n___c_o_n_f_i_g_html_ga5dc14176a9e71ace282404b0bcda57a1"><div class="ttname"><a href="group___r_a_p_i_d_j_s_o_n___c_o_n_f_i_g.html#ga5dc14176a9e71ace282404b0bcda57a1">RAPIDJSON_LIKELY</a></div><div class="ttdeci">#define RAPIDJSON_LIKELY(x)</div><div class="ttdoc">Compiler branching hint for expression with high probability to be true. </div><div class="ttdef"><b>Definition:</b> rapidjson.h:455</div></div>
<div class="ttc" id="classrapidjson_1_1_basic_i_stream_wrapper_html"><div class="ttname"><a href="classrapidjson_1_1_basic_i_stream_wrapper.html">rapidjson::BasicIStreamWrapper</a></div><div class="ttdoc">Wrapper of std::basic_istream into RapidJSON&#39;s Stream concept. </div><div class="ttdef"><b>Definition:</b> istreamwrapper.h:50</div></div>
<div class="ttc" id="group___r_a_p_i_d_j_s_o_n___c_o_n_f_i_g_html_gabeba18d612187bad2ac62aed9276d47c"><div class="ttname"><a href="group___r_a_p_i_d_j_s_o_n___c_o_n_f_i_g.html#gabeba18d612187bad2ac62aed9276d47c">RAPIDJSON_ASSERT</a></div><div class="ttdeci">#define RAPIDJSON_ASSERT(x)</div><div class="ttdoc">Assertion. </div><div class="ttdef"><b>Definition:</b> rapidjson.h:402</div></div>
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