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<a href="json__reader_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// Copyright 2007-2010 Baptiste Lepilleur</span>
<a name="l00002"></a>00002 <span class="comment">// Distributed under MIT license, or public domain if desired and</span>
<a name="l00003"></a>00003 <span class="comment">// recognized in your jurisdiction.</span>
<a name="l00004"></a>00004 <span class="comment">// See file LICENSE for detail or copy at http://jsoncpp.sourceforge.net/LICENSE</span>
<a name="l00005"></a>00005
<a name="l00006"></a>00006 <span class="preprocessor">#if !defined(JSON_IS_AMALGAMATION)</span>
<a name="l00007"></a>00007 <span class="preprocessor"></span><span class="preprocessor"># include <<a class="code" href="reader_8h.html">json/reader.h</a>></span>
<a name="l00008"></a>00008 <span class="preprocessor"># include <<a class="code" href="value_8h.html">json/value.h</a>></span>
<a name="l00009"></a>00009 <span class="preprocessor"># include "<a class="code" href="json__tool_8h.html">json_tool.h</a>"</span>
<a name="l00010"></a>00010 <span class="preprocessor">#endif // if !defined(JSON_IS_AMALGAMATION)</span>
<a name="l00011"></a>00011 <span class="preprocessor"></span><span class="preprocessor">#include <utility></span>
<a name="l00012"></a>00012 <span class="preprocessor">#include <cstdio></span>
<a name="l00013"></a>00013 <span class="preprocessor">#include <cassert></span>
<a name="l00014"></a>00014 <span class="preprocessor">#include <cstring></span>
<a name="l00015"></a>00015 <span class="preprocessor">#include <iostream></span>
<a name="l00016"></a>00016 <span class="preprocessor">#include <stdexcept></span>
<a name="l00017"></a>00017
<a name="l00018"></a>00018 <span class="preprocessor">#if _MSC_VER >= 1400 // VC++ 8.0</span>
<a name="l00019"></a>00019 <span class="preprocessor"></span><span class="preprocessor">#pragma warning( disable : 4996 ) // disable warning about strdup being deprecated.</span>
<a name="l00020"></a>00020 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00021"></a>00021 <span class="preprocessor"></span>
<a name="l00022"></a>00022 <span class="keyword">namespace </span>Json {
<a name="l00023"></a>00023
<a name="l00024"></a>00024 <span class="comment">// Implementation of class Features</span>
<a name="l00025"></a>00025 <span class="comment">// ////////////////////////////////</span>
<a name="l00026"></a>00026
<a name="l00027"></a><a class="code" href="class_json_1_1_features.html#ad15a091cb61bb31323299a95970d2644">00027</a> <a class="code" href="class_json_1_1_features.html#ad15a091cb61bb31323299a95970d2644" title="Initialize the configuration like JsonConfig::allFeatures;.">Features::Features</a>()
<a name="l00028"></a>00028 : allowComments_( true )
<a name="l00029"></a>00029 , strictRoot_( false )
<a name="l00030"></a>00030 {
<a name="l00031"></a>00031 }
<a name="l00032"></a>00032
<a name="l00033"></a>00033
<a name="l00034"></a>00034 <a class="code" href="class_json_1_1_features.html" title="Configuration passed to reader and writer.">Features</a>
<a name="l00035"></a><a class="code" href="class_json_1_1_features.html#a63894da6e2c100b38741fa933f3d33ae">00035</a> <a class="code" href="class_json_1_1_features.html#a63894da6e2c100b38741fa933f3d33ae" title="A configuration that allows all features and assumes all strings are UTF-8.">Features::all</a>()
<a name="l00036"></a>00036 {
<a name="l00037"></a>00037 <span class="keywordflow">return</span> <a class="code" href="class_json_1_1_features.html#ad15a091cb61bb31323299a95970d2644" title="Initialize the configuration like JsonConfig::allFeatures;.">Features</a>();
<a name="l00038"></a>00038 }
<a name="l00039"></a>00039
<a name="l00040"></a>00040
<a name="l00041"></a>00041 <a class="code" href="class_json_1_1_features.html" title="Configuration passed to reader and writer.">Features</a>
<a name="l00042"></a><a class="code" href="class_json_1_1_features.html#ae23176c14b2e79e81fb61fb1a8ab58ee">00042</a> <a class="code" href="class_json_1_1_features.html#ae23176c14b2e79e81fb61fb1a8ab58ee" title="A configuration that is strictly compatible with the JSON specification.">Features::strictMode</a>()
<a name="l00043"></a>00043 {
<a name="l00044"></a>00044 <a class="code" href="class_json_1_1_features.html" title="Configuration passed to reader and writer.">Features</a> features;
<a name="l00045"></a>00045 features.<a class="code" href="class_json_1_1_features.html#a33afd389719624b6bdb23950b3c346c9" title="true if comments are allowed. Default: true.">allowComments_</a> = <span class="keyword">false</span>;
<a name="l00046"></a>00046 features.<a class="code" href="class_json_1_1_features.html#a1162c37a1458adc32582b585b552f9c3" title="true if root must be either an array or an object value. Default: false.">strictRoot_</a> = <span class="keyword">true</span>;
<a name="l00047"></a>00047 <span class="keywordflow">return</span> features;
<a name="l00048"></a>00048 }
<a name="l00049"></a>00049
<a name="l00050"></a>00050 <span class="comment">// Implementation of class Reader</span>
<a name="l00051"></a>00051 <span class="comment">// ////////////////////////////////</span>
<a name="l00052"></a>00052
<a name="l00053"></a>00053
<a name="l00054"></a>00054 <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">bool</span>
<a name="l00055"></a><a class="code" href="namespace_json.html#a7378f09d8f10ef3ccbb2aeefe7ff41d3">00055</a> <a class="code" href="namespace_json.html#a7378f09d8f10ef3ccbb2aeefe7ff41d3">in</a>( <a class="code" href="class_json_1_1_reader.html#a3eec9118f3e9a672ba8348c3a79d0f45">Reader::Char</a> c, <a class="code" href="class_json_1_1_reader.html#a3eec9118f3e9a672ba8348c3a79d0f45">Reader::Char</a> c1, <a class="code" href="class_json_1_1_reader.html#a3eec9118f3e9a672ba8348c3a79d0f45">Reader::Char</a> c2, <a class="code" href="class_json_1_1_reader.html#a3eec9118f3e9a672ba8348c3a79d0f45">Reader::Char</a> c3, <a class="code" href="class_json_1_1_reader.html#a3eec9118f3e9a672ba8348c3a79d0f45">Reader::Char</a> c4 )
<a name="l00056"></a>00056 {
<a name="l00057"></a>00057 <span class="keywordflow">return</span> c == c1 || c == c2 || c == c3 || c == c4;
<a name="l00058"></a>00058 }
<a name="l00059"></a>00059
<a name="l00060"></a>00060 <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">bool</span>
<a name="l00061"></a><a class="code" href="namespace_json.html#af3dfd6ed13183fdcfaab3ca57b42d3e7">00061</a> <a class="code" href="namespace_json.html#a7378f09d8f10ef3ccbb2aeefe7ff41d3">in</a>( <a class="code" href="class_json_1_1_reader.html#a3eec9118f3e9a672ba8348c3a79d0f45">Reader::Char</a> c, <a class="code" href="class_json_1_1_reader.html#a3eec9118f3e9a672ba8348c3a79d0f45">Reader::Char</a> c1, <a class="code" href="class_json_1_1_reader.html#a3eec9118f3e9a672ba8348c3a79d0f45">Reader::Char</a> c2, <a class="code" href="class_json_1_1_reader.html#a3eec9118f3e9a672ba8348c3a79d0f45">Reader::Char</a> c3, <a class="code" href="class_json_1_1_reader.html#a3eec9118f3e9a672ba8348c3a79d0f45">Reader::Char</a> c4, <a class="code" href="class_json_1_1_reader.html#a3eec9118f3e9a672ba8348c3a79d0f45">Reader::Char</a> c5 )
<a name="l00062"></a>00062 {
<a name="l00063"></a>00063 <span class="keywordflow">return</span> c == c1 || c == c2 || c == c3 || c == c4 || c == c5;
<a name="l00064"></a>00064 }
<a name="l00065"></a>00065
<a name="l00066"></a>00066
<a name="l00067"></a>00067 <span class="keyword">static</span> <span class="keywordtype">bool</span>
<a name="l00068"></a><a class="code" href="namespace_json.html#a4d6ab0f651348832e5cc49b577a854d2">00068</a> <a class="code" href="namespace_json.html#a4d6ab0f651348832e5cc49b577a854d2">containsNewLine</a>( <a class="code" href="class_json_1_1_reader.html#a46795b5b272bf79a7730e406cb96375a">Reader::Location</a> begin,
<a name="l00069"></a>00069 <a class="code" href="class_json_1_1_reader.html#a46795b5b272bf79a7730e406cb96375a">Reader::Location</a> end )
<a name="l00070"></a>00070 {
<a name="l00071"></a>00071 <span class="keywordflow">for</span> ( ;begin < end; ++begin )
<a name="l00072"></a>00072 <span class="keywordflow">if</span> ( *begin == <span class="charliteral">'\n'</span> || *begin == <span class="charliteral">'\r'</span> )
<a name="l00073"></a>00073 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00074"></a>00074 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00075"></a>00075 }
<a name="l00076"></a>00076
<a name="l00077"></a>00077
<a name="l00078"></a>00078 <span class="comment">// Class Reader</span>
<a name="l00079"></a>00079 <span class="comment">// //////////////////////////////////////////////////////////////////</span>
<a name="l00080"></a>00080
<a name="l00081"></a><a class="code" href="class_json_1_1_reader.html#a0b3c4e24c8393354bab57a6ba3ffc27f">00081</a> <a class="code" href="class_json_1_1_reader.html#a0b3c4e24c8393354bab57a6ba3ffc27f" title="Constructs a Reader allowing all features for parsing.">Reader::Reader</a>()
<a name="l00082"></a>00082 : features_( <a class="code" href="class_json_1_1_features.html" title="Configuration passed to reader and writer.">Features</a>::all() )
<a name="l00083"></a>00083 {
<a name="l00084"></a>00084 }
<a name="l00085"></a>00085
<a name="l00086"></a>00086
<a name="l00087"></a><a class="code" href="class_json_1_1_reader.html#a45f17831118337309180313e93ac33f8">00087</a> <a class="code" href="class_json_1_1_reader.html#a0b3c4e24c8393354bab57a6ba3ffc27f" title="Constructs a Reader allowing all features for parsing.">Reader::Reader</a>( <span class="keyword">const</span> <a class="code" href="class_json_1_1_features.html" title="Configuration passed to reader and writer.">Features</a> &features )
<a name="l00088"></a>00088 : features_( features )
<a name="l00089"></a>00089 {
<a name="l00090"></a>00090 }
<a name="l00091"></a>00091
<a name="l00092"></a>00092
<a name="l00093"></a>00093 <span class="keywordtype">bool</span>
<a name="l00094"></a><a class="code" href="class_json_1_1_reader.html#af1da6c976ad1e96c742804c3853eef94">00094</a> <a class="code" href="class_json_1_1_reader.html#af1da6c976ad1e96c742804c3853eef94" title="Read a Value from a JSON document.">Reader::parse</a>( <span class="keyword">const</span> std::string &document,
<a name="l00095"></a>00095 <a class="code" href="class_json_1_1_value.html" title="Represents a JSON value.">Value</a> &root,
<a name="l00096"></a>00096 <span class="keywordtype">bool</span> collectComments )
<a name="l00097"></a>00097 {
<a name="l00098"></a>00098 document_ = document;
<a name="l00099"></a>00099 <span class="keyword">const</span> <span class="keywordtype">char</span> *begin = document_.c_str();
<a name="l00100"></a>00100 <span class="keyword">const</span> <span class="keywordtype">char</span> *end = begin + document_.length();
<a name="l00101"></a>00101 <span class="keywordflow">return</span> <a class="code" href="class_json_1_1_reader.html#af1da6c976ad1e96c742804c3853eef94" title="Read a Value from a JSON document.">parse</a>( begin, end, root, collectComments );
<a name="l00102"></a>00102 }
<a name="l00103"></a>00103
<a name="l00104"></a>00104
<a name="l00105"></a>00105 <span class="keywordtype">bool</span>
<a name="l00106"></a><a class="code" href="class_json_1_1_reader.html#a8d0347e6b47343e4bc68be7ecdb9c4e9">00106</a> <a class="code" href="class_json_1_1_reader.html#af1da6c976ad1e96c742804c3853eef94" title="Read a Value from a JSON document.">Reader::parse</a>( std::istream& sin,
<a name="l00107"></a>00107 <a class="code" href="class_json_1_1_value.html" title="Represents a JSON value.">Value</a> &root,
<a name="l00108"></a>00108 <span class="keywordtype">bool</span> collectComments )
<a name="l00109"></a>00109 {
<a name="l00110"></a>00110 <span class="comment">//std::istream_iterator<char> begin(sin);</span>
<a name="l00111"></a>00111 <span class="comment">//std::istream_iterator<char> end;</span>
<a name="l00112"></a>00112 <span class="comment">// Those would allow streamed input from a file, if parse() were a</span>
<a name="l00113"></a>00113 <span class="comment">// template function.</span>
<a name="l00114"></a>00114
<a name="l00115"></a>00115 <span class="comment">// Since std::string is reference-counted, this at least does not</span>
<a name="l00116"></a>00116 <span class="comment">// create an extra copy.</span>
<a name="l00117"></a>00117 std::string doc;
<a name="l00118"></a>00118 std::getline(sin, doc, (<span class="keywordtype">char</span>)EOF);
<a name="l00119"></a>00119 <span class="keywordflow">return</span> <a class="code" href="class_json_1_1_reader.html#af1da6c976ad1e96c742804c3853eef94" title="Read a Value from a JSON document.">parse</a>( doc, root, collectComments );
<a name="l00120"></a>00120 }
<a name="l00121"></a>00121
<a name="l00122"></a>00122 <span class="keywordtype">bool</span>
<a name="l00123"></a><a class="code" href="class_json_1_1_reader.html#ac71ef2b64c7c27b062052e692af3fb32">00123</a> <a class="code" href="class_json_1_1_reader.html#af1da6c976ad1e96c742804c3853eef94" title="Read a Value from a JSON document.">Reader::parse</a>( <span class="keyword">const</span> <span class="keywordtype">char</span> *beginDoc, <span class="keyword">const</span> <span class="keywordtype">char</span> *endDoc,
<a name="l00124"></a>00124 <a class="code" href="class_json_1_1_value.html" title="Represents a JSON value.">Value</a> &root,
<a name="l00125"></a>00125 <span class="keywordtype">bool</span> collectComments )
<a name="l00126"></a>00126 {
<a name="l00127"></a>00127 <span class="keywordflow">if</span> ( !features_.<a class="code" href="class_json_1_1_features.html#a33afd389719624b6bdb23950b3c346c9" title="true if comments are allowed. Default: true.">allowComments_</a> )
<a name="l00128"></a>00128 {
<a name="l00129"></a>00129 collectComments = <span class="keyword">false</span>;
<a name="l00130"></a>00130 }
<a name="l00131"></a>00131
<a name="l00132"></a>00132 begin_ = beginDoc;
<a name="l00133"></a>00133 end_ = endDoc;
<a name="l00134"></a>00134 collectComments_ = collectComments;
<a name="l00135"></a>00135 current_ = begin_;
<a name="l00136"></a>00136 lastValueEnd_ = 0;
<a name="l00137"></a>00137 lastValue_ = 0;
<a name="l00138"></a>00138 commentsBefore_ = <span class="stringliteral">""</span>;
<a name="l00139"></a>00139 errors_.clear();
<a name="l00140"></a>00140 <span class="keywordflow">while</span> ( !nodes_.empty() )
<a name="l00141"></a>00141 nodes_.pop();
<a name="l00142"></a>00142 nodes_.push( &root );
<a name="l00143"></a>00143
<a name="l00144"></a>00144 <span class="keywordtype">bool</span> successful = readValue();
<a name="l00145"></a>00145 Token token;
<a name="l00146"></a>00146 skipCommentTokens( token );
<a name="l00147"></a>00147 <span class="keywordflow">if</span> ( collectComments_ && !commentsBefore_.empty() )
<a name="l00148"></a>00148 root.<a class="code" href="class_json_1_1_value.html#a29f3a30f7e5d3af6f38d57999bf5b480" title="Comments must be //... or /* ... */.">setComment</a>( commentsBefore_, <a class="code" href="namespace_json.html#a4fc417c23905b2ae9e2c47d197a45351ac5784ca53b12250888ddb642b06aebef" title="a comment on the line after a value (only make sense for root value)">commentAfter</a> );
<a name="l00149"></a>00149 <span class="keywordflow">if</span> ( features_.<a class="code" href="class_json_1_1_features.html#a1162c37a1458adc32582b585b552f9c3" title="true if root must be either an array or an object value. Default: false.">strictRoot_</a> )
<a name="l00150"></a>00150 {
<a name="l00151"></a>00151 <span class="keywordflow">if</span> ( !root.<a class="code" href="class_json_1_1_value.html#ac8c898f93543e55b67418f94bced20af">isArray</a>() && !root.<a class="code" href="class_json_1_1_value.html#a80cffaa0402b80317c0437216bbb6d92">isObject</a>() )
<a name="l00152"></a>00152 {
<a name="l00153"></a>00153 <span class="comment">// Set error location to start of doc, ideally should be first token found in doc</span>
<a name="l00154"></a>00154 token.type_ = tokenError;
<a name="l00155"></a>00155 token.start_ = beginDoc;
<a name="l00156"></a>00156 token.end_ = endDoc;
<a name="l00157"></a>00157 addError( <span class="stringliteral">"A valid JSON document must be either an array or an object value."</span>,
<a name="l00158"></a>00158 token );
<a name="l00159"></a>00159 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00160"></a>00160 }
<a name="l00161"></a>00161 }
<a name="l00162"></a>00162 <span class="keywordflow">return</span> successful;
<a name="l00163"></a>00163 }
<a name="l00164"></a>00164
<a name="l00165"></a>00165
<a name="l00166"></a>00166 <span class="keywordtype">bool</span>
<a name="l00167"></a>00167 Reader::readValue()
<a name="l00168"></a>00168 {
<a name="l00169"></a>00169 Token token;
<a name="l00170"></a>00170 skipCommentTokens( token );
<a name="l00171"></a>00171 <span class="keywordtype">bool</span> successful = <span class="keyword">true</span>;
<a name="l00172"></a>00172
<a name="l00173"></a>00173 <span class="keywordflow">if</span> ( collectComments_ && !commentsBefore_.empty() )
<a name="l00174"></a>00174 {
<a name="l00175"></a>00175 currentValue().<a class="code" href="class_json_1_1_value.html#a29f3a30f7e5d3af6f38d57999bf5b480" title="Comments must be //... or /* ... */.">setComment</a>( commentsBefore_, <a class="code" href="namespace_json.html#a4fc417c23905b2ae9e2c47d197a45351a52f1733775460517b2ea6bedf4906d52" title="a comment placed on the line before a value">commentBefore</a> );
<a name="l00176"></a>00176 commentsBefore_ = <span class="stringliteral">""</span>;
<a name="l00177"></a>00177 }
<a name="l00178"></a>00178
<a name="l00179"></a>00179
<a name="l00180"></a>00180 <span class="keywordflow">switch</span> ( token.type_ )
<a name="l00181"></a>00181 {
<a name="l00182"></a>00182 <span class="keywordflow">case</span> tokenObjectBegin:
<a name="l00183"></a>00183 successful = readObject( token );
<a name="l00184"></a>00184 <span class="keywordflow">break</span>;
<a name="l00185"></a>00185 <span class="keywordflow">case</span> tokenArrayBegin:
<a name="l00186"></a>00186 successful = readArray( token );
<a name="l00187"></a>00187 <span class="keywordflow">break</span>;
<a name="l00188"></a>00188 <span class="keywordflow">case</span> tokenNumber:
<a name="l00189"></a>00189 successful = decodeNumber( token );
<a name="l00190"></a>00190 <span class="keywordflow">break</span>;
<a name="l00191"></a>00191 <span class="keywordflow">case</span> tokenString:
<a name="l00192"></a>00192 successful = decodeString( token );
<a name="l00193"></a>00193 <span class="keywordflow">break</span>;
<a name="l00194"></a>00194 <span class="keywordflow">case</span> tokenTrue:
<a name="l00195"></a>00195 currentValue() = <span class="keyword">true</span>;
<a name="l00196"></a>00196 <span class="keywordflow">break</span>;
<a name="l00197"></a>00197 <span class="keywordflow">case</span> tokenFalse:
<a name="l00198"></a>00198 currentValue() = <span class="keyword">false</span>;
<a name="l00199"></a>00199 <span class="keywordflow">break</span>;
<a name="l00200"></a>00200 <span class="keywordflow">case</span> tokenNull:
<a name="l00201"></a>00201 currentValue() = Value();
<a name="l00202"></a>00202 <span class="keywordflow">break</span>;
<a name="l00203"></a>00203 <span class="keywordflow">default</span>:
<a name="l00204"></a>00204 <span class="keywordflow">return</span> addError( <span class="stringliteral">"Syntax error: value, object or array expected."</span>, token );
<a name="l00205"></a>00205 }
<a name="l00206"></a>00206
<a name="l00207"></a>00207 <span class="keywordflow">if</span> ( collectComments_ )
<a name="l00208"></a>00208 {
<a name="l00209"></a>00209 lastValueEnd_ = current_;
<a name="l00210"></a>00210 lastValue_ = &currentValue();
<a name="l00211"></a>00211 }
<a name="l00212"></a>00212
<a name="l00213"></a>00213 <span class="keywordflow">return</span> successful;
<a name="l00214"></a>00214 }
<a name="l00215"></a>00215
<a name="l00216"></a>00216
<a name="l00217"></a>00217 <span class="keywordtype">void</span>
<a name="l00218"></a>00218 Reader::skipCommentTokens( Token &token )
<a name="l00219"></a>00219 {
<a name="l00220"></a>00220 <span class="keywordflow">if</span> ( features_.<a class="code" href="class_json_1_1_features.html#a33afd389719624b6bdb23950b3c346c9" title="true if comments are allowed. Default: true.">allowComments_</a> )
<a name="l00221"></a>00221 {
<a name="l00222"></a>00222 <span class="keywordflow">do</span>
<a name="l00223"></a>00223 {
<a name="l00224"></a>00224 readToken( token );
<a name="l00225"></a>00225 }
<a name="l00226"></a>00226 <span class="keywordflow">while</span> ( token.type_ == tokenComment );
<a name="l00227"></a>00227 }
<a name="l00228"></a>00228 <span class="keywordflow">else</span>
<a name="l00229"></a>00229 {
<a name="l00230"></a>00230 readToken( token );
<a name="l00231"></a>00231 }
<a name="l00232"></a>00232 }
<a name="l00233"></a>00233
<a name="l00234"></a>00234
<a name="l00235"></a>00235 <span class="keywordtype">bool</span>
<a name="l00236"></a>00236 Reader::expectToken( TokenType type, Token &token, <span class="keyword">const</span> <span class="keywordtype">char</span> *message )
<a name="l00237"></a>00237 {
<a name="l00238"></a>00238 readToken( token );
<a name="l00239"></a>00239 <span class="keywordflow">if</span> ( token.type_ != type )
<a name="l00240"></a>00240 <span class="keywordflow">return</span> addError( message, token );
<a name="l00241"></a>00241 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00242"></a>00242 }
<a name="l00243"></a>00243
<a name="l00244"></a>00244
<a name="l00245"></a>00245 <span class="keywordtype">bool</span>
<a name="l00246"></a>00246 Reader::readToken( Token &token )
<a name="l00247"></a>00247 {
<a name="l00248"></a>00248 skipSpaces();
<a name="l00249"></a>00249 token.start_ = current_;
<a name="l00250"></a>00250 <a class="code" href="class_json_1_1_reader.html#a3eec9118f3e9a672ba8348c3a79d0f45">Char</a> c = getNextChar();
<a name="l00251"></a>00251 <span class="keywordtype">bool</span> ok = <span class="keyword">true</span>;
<a name="l00252"></a>00252 <span class="keywordflow">switch</span> ( c )
<a name="l00253"></a>00253 {
<a name="l00254"></a>00254 <span class="keywordflow">case</span> <span class="charliteral">'{'</span>:
<a name="l00255"></a>00255 token.type_ = tokenObjectBegin;
<a name="l00256"></a>00256 <span class="keywordflow">break</span>;
<a name="l00257"></a>00257 <span class="keywordflow">case</span> <span class="charliteral">'}'</span>:
<a name="l00258"></a>00258 token.type_ = tokenObjectEnd;
<a name="l00259"></a>00259 <span class="keywordflow">break</span>;
<a name="l00260"></a>00260 <span class="keywordflow">case</span> <span class="charliteral">'['</span>:
<a name="l00261"></a>00261 token.type_ = tokenArrayBegin;
<a name="l00262"></a>00262 <span class="keywordflow">break</span>;
<a name="l00263"></a>00263 <span class="keywordflow">case</span> <span class="charliteral">']'</span>:
<a name="l00264"></a>00264 token.type_ = tokenArrayEnd;
<a name="l00265"></a>00265 <span class="keywordflow">break</span>;
<a name="l00266"></a>00266 <span class="keywordflow">case</span> <span class="charliteral">'"'</span>:
<a name="l00267"></a>00267 token.type_ = tokenString;
<a name="l00268"></a>00268 ok = readString();
<a name="l00269"></a>00269 <span class="keywordflow">break</span>;
<a name="l00270"></a>00270 <span class="keywordflow">case</span> <span class="charliteral">'/'</span>:
<a name="l00271"></a>00271 token.type_ = tokenComment;
<a name="l00272"></a>00272 ok = readComment();
<a name="l00273"></a>00273 <span class="keywordflow">break</span>;
<a name="l00274"></a>00274 <span class="keywordflow">case</span> <span class="charliteral">'0'</span>:
<a name="l00275"></a>00275 <span class="keywordflow">case</span> <span class="charliteral">'1'</span>:
<a name="l00276"></a>00276 <span class="keywordflow">case</span> <span class="charliteral">'2'</span>:
<a name="l00277"></a>00277 <span class="keywordflow">case</span> <span class="charliteral">'3'</span>:
<a name="l00278"></a>00278 <span class="keywordflow">case</span> <span class="charliteral">'4'</span>:
<a name="l00279"></a>00279 <span class="keywordflow">case</span> <span class="charliteral">'5'</span>:
<a name="l00280"></a>00280 <span class="keywordflow">case</span> <span class="charliteral">'6'</span>:
<a name="l00281"></a>00281 <span class="keywordflow">case</span> <span class="charliteral">'7'</span>:
<a name="l00282"></a>00282 <span class="keywordflow">case</span> <span class="charliteral">'8'</span>:
<a name="l00283"></a>00283 <span class="keywordflow">case</span> <span class="charliteral">'9'</span>:
<a name="l00284"></a>00284 <span class="keywordflow">case</span> <span class="charliteral">'-'</span>:
<a name="l00285"></a>00285 token.type_ = tokenNumber;
<a name="l00286"></a>00286 readNumber();
<a name="l00287"></a>00287 <span class="keywordflow">break</span>;
<a name="l00288"></a>00288 <span class="keywordflow">case</span> <span class="charliteral">'t'</span>:
<a name="l00289"></a>00289 token.type_ = tokenTrue;
<a name="l00290"></a>00290 ok = match( <span class="stringliteral">"rue"</span>, 3 );
<a name="l00291"></a>00291 <span class="keywordflow">break</span>;
<a name="l00292"></a>00292 <span class="keywordflow">case</span> <span class="charliteral">'f'</span>:
<a name="l00293"></a>00293 token.type_ = tokenFalse;
<a name="l00294"></a>00294 ok = match( <span class="stringliteral">"alse"</span>, 4 );
<a name="l00295"></a>00295 <span class="keywordflow">break</span>;
<a name="l00296"></a>00296 <span class="keywordflow">case</span> <span class="charliteral">'n'</span>:
<a name="l00297"></a>00297 token.type_ = tokenNull;
<a name="l00298"></a>00298 ok = match( <span class="stringliteral">"ull"</span>, 3 );
<a name="l00299"></a>00299 <span class="keywordflow">break</span>;
<a name="l00300"></a>00300 <span class="keywordflow">case</span> <span class="charliteral">','</span>:
<a name="l00301"></a>00301 token.type_ = tokenArraySeparator;
<a name="l00302"></a>00302 <span class="keywordflow">break</span>;
<a name="l00303"></a>00303 <span class="keywordflow">case</span> <span class="charliteral">':'</span>:
<a name="l00304"></a>00304 token.type_ = tokenMemberSeparator;
<a name="l00305"></a>00305 <span class="keywordflow">break</span>;
<a name="l00306"></a>00306 <span class="keywordflow">case</span> 0:
<a name="l00307"></a>00307 token.type_ = tokenEndOfStream;
<a name="l00308"></a>00308 <span class="keywordflow">break</span>;
<a name="l00309"></a>00309 <span class="keywordflow">default</span>:
<a name="l00310"></a>00310 ok = <span class="keyword">false</span>;
<a name="l00311"></a>00311 <span class="keywordflow">break</span>;
<a name="l00312"></a>00312 }
<a name="l00313"></a>00313 <span class="keywordflow">if</span> ( !ok )
<a name="l00314"></a>00314 token.type_ = tokenError;
<a name="l00315"></a>00315 token.end_ = current_;
<a name="l00316"></a>00316 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00317"></a>00317 }
<a name="l00318"></a>00318
<a name="l00319"></a>00319
<a name="l00320"></a>00320 <span class="keywordtype">void</span>
<a name="l00321"></a>00321 Reader::skipSpaces()
<a name="l00322"></a>00322 {
<a name="l00323"></a>00323 <span class="keywordflow">while</span> ( current_ != end_ )
<a name="l00324"></a>00324 {
<a name="l00325"></a>00325 <a class="code" href="class_json_1_1_reader.html#a3eec9118f3e9a672ba8348c3a79d0f45">Char</a> c = *current_;
<a name="l00326"></a>00326 <span class="keywordflow">if</span> ( c == <span class="charliteral">' '</span> || c == <span class="charliteral">'\t'</span> || c == <span class="charliteral">'\r'</span> || c == <span class="charliteral">'\n'</span> )
<a name="l00327"></a>00327 ++current_;
<a name="l00328"></a>00328 <span class="keywordflow">else</span>
<a name="l00329"></a>00329 <span class="keywordflow">break</span>;
<a name="l00330"></a>00330 }
<a name="l00331"></a>00331 }
<a name="l00332"></a>00332
<a name="l00333"></a>00333
<a name="l00334"></a>00334 <span class="keywordtype">bool</span>
<a name="l00335"></a>00335 Reader::match( Location pattern,
<a name="l00336"></a>00336 <span class="keywordtype">int</span> patternLength )
<a name="l00337"></a>00337 {
<a name="l00338"></a>00338 <span class="keywordflow">if</span> ( end_ - current_ < patternLength )
<a name="l00339"></a>00339 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00340"></a>00340 <span class="keywordtype">int</span> index = patternLength;
<a name="l00341"></a>00341 <span class="keywordflow">while</span> ( index-- )
<a name="l00342"></a>00342 <span class="keywordflow">if</span> ( current_[index] != pattern[index] )
<a name="l00343"></a>00343 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00344"></a>00344 current_ += patternLength;
<a name="l00345"></a>00345 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00346"></a>00346 }
<a name="l00347"></a>00347
<a name="l00348"></a>00348
<a name="l00349"></a>00349 <span class="keywordtype">bool</span>
<a name="l00350"></a>00350 Reader::readComment()
<a name="l00351"></a>00351 {
<a name="l00352"></a>00352 <a class="code" href="class_json_1_1_reader.html#a46795b5b272bf79a7730e406cb96375a">Location</a> commentBegin = current_ - 1;
<a name="l00353"></a>00353 <a class="code" href="class_json_1_1_reader.html#a3eec9118f3e9a672ba8348c3a79d0f45">Char</a> c = getNextChar();
<a name="l00354"></a>00354 <span class="keywordtype">bool</span> successful = <span class="keyword">false</span>;
<a name="l00355"></a>00355 <span class="keywordflow">if</span> ( c == <span class="charliteral">'*'</span> )
<a name="l00356"></a>00356 successful = readCStyleComment();
<a name="l00357"></a>00357 <span class="keywordflow">else</span> <span class="keywordflow">if</span> ( c == <span class="charliteral">'/'</span> )
<a name="l00358"></a>00358 successful = readCppStyleComment();
<a name="l00359"></a>00359 <span class="keywordflow">if</span> ( !successful )
<a name="l00360"></a>00360 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00361"></a>00361
<a name="l00362"></a>00362 <span class="keywordflow">if</span> ( collectComments_ )
<a name="l00363"></a>00363 {
<a name="l00364"></a>00364 <a class="code" href="namespace_json.html#a4fc417c23905b2ae9e2c47d197a45351">CommentPlacement</a> placement = <a class="code" href="namespace_json.html#a4fc417c23905b2ae9e2c47d197a45351a52f1733775460517b2ea6bedf4906d52" title="a comment placed on the line before a value">commentBefore</a>;
<a name="l00365"></a>00365 <span class="keywordflow">if</span> ( lastValueEnd_ && !<a class="code" href="namespace_json.html#a4d6ab0f651348832e5cc49b577a854d2">containsNewLine</a>( lastValueEnd_, commentBegin ) )
<a name="l00366"></a>00366 {
<a name="l00367"></a>00367 <span class="keywordflow">if</span> ( c != <span class="charliteral">'*'</span> || !<a class="code" href="namespace_json.html#a4d6ab0f651348832e5cc49b577a854d2">containsNewLine</a>( commentBegin, current_ ) )
<a name="l00368"></a>00368 placement = <a class="code" href="namespace_json.html#a4fc417c23905b2ae9e2c47d197a45351a008a230a0586de54f30b76afe70fdcfa" title="a comment just after a value on the same line">commentAfterOnSameLine</a>;
<a name="l00369"></a>00369 }
<a name="l00370"></a>00370
<a name="l00371"></a>00371 addComment( commentBegin, current_, placement );
<a name="l00372"></a>00372 }
<a name="l00373"></a>00373 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00374"></a>00374 }
<a name="l00375"></a>00375
<a name="l00376"></a>00376
<a name="l00377"></a>00377 <span class="keywordtype">void</span>
<a name="l00378"></a>00378 Reader::addComment( Location begin,
<a name="l00379"></a>00379 Location end,
<a name="l00380"></a>00380 <a class="code" href="namespace_json.html#a4fc417c23905b2ae9e2c47d197a45351">CommentPlacement</a> placement )
<a name="l00381"></a>00381 {
<a name="l00382"></a>00382 assert( collectComments_ );
<a name="l00383"></a>00383 <span class="keywordflow">if</span> ( placement == <a class="code" href="namespace_json.html#a4fc417c23905b2ae9e2c47d197a45351a008a230a0586de54f30b76afe70fdcfa" title="a comment just after a value on the same line">commentAfterOnSameLine</a> )
<a name="l00384"></a>00384 {
<a name="l00385"></a>00385 assert( lastValue_ != 0 );
<a name="l00386"></a>00386 lastValue_-><a class="code" href="class_json_1_1_value.html#a29f3a30f7e5d3af6f38d57999bf5b480" title="Comments must be //... or /* ... */.">setComment</a>( std::string( begin, end ), placement );
<a name="l00387"></a>00387 }
<a name="l00388"></a>00388 <span class="keywordflow">else</span>
<a name="l00389"></a>00389 {
<a name="l00390"></a>00390 <span class="keywordflow">if</span> ( !commentsBefore_.empty() )
<a name="l00391"></a>00391 commentsBefore_ += <span class="stringliteral">"\n"</span>;
<a name="l00392"></a>00392 commentsBefore_ += std::string( begin, end );
<a name="l00393"></a>00393 }
<a name="l00394"></a>00394 }
<a name="l00395"></a>00395
<a name="l00396"></a>00396
<a name="l00397"></a>00397 <span class="keywordtype">bool</span>
<a name="l00398"></a>00398 Reader::readCStyleComment()
<a name="l00399"></a>00399 {
<a name="l00400"></a>00400 <span class="keywordflow">while</span> ( current_ != end_ )
<a name="l00401"></a>00401 {
<a name="l00402"></a>00402 <a class="code" href="class_json_1_1_reader.html#a3eec9118f3e9a672ba8348c3a79d0f45">Char</a> c = getNextChar();
<a name="l00403"></a>00403 <span class="keywordflow">if</span> ( c == <span class="charliteral">'*'</span> && *current_ == <span class="charliteral">'/'</span> )
<a name="l00404"></a>00404 <span class="keywordflow">break</span>;
<a name="l00405"></a>00405 }
<a name="l00406"></a>00406 <span class="keywordflow">return</span> getNextChar() == <span class="charliteral">'/'</span>;
<a name="l00407"></a>00407 }
<a name="l00408"></a>00408
<a name="l00409"></a>00409
<a name="l00410"></a>00410 <span class="keywordtype">bool</span>
<a name="l00411"></a>00411 Reader::readCppStyleComment()
<a name="l00412"></a>00412 {
<a name="l00413"></a>00413 <span class="keywordflow">while</span> ( current_ != end_ )
<a name="l00414"></a>00414 {
<a name="l00415"></a>00415 <a class="code" href="class_json_1_1_reader.html#a3eec9118f3e9a672ba8348c3a79d0f45">Char</a> c = getNextChar();
<a name="l00416"></a>00416 <span class="keywordflow">if</span> ( c == <span class="charliteral">'\r'</span> || c == <span class="charliteral">'\n'</span> )
<a name="l00417"></a>00417 <span class="keywordflow">break</span>;
<a name="l00418"></a>00418 }
<a name="l00419"></a>00419 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00420"></a>00420 }
<a name="l00421"></a>00421
<a name="l00422"></a>00422
<a name="l00423"></a>00423 <span class="keywordtype">void</span>
<a name="l00424"></a>00424 Reader::readNumber()
<a name="l00425"></a>00425 {
<a name="l00426"></a>00426 <span class="keywordflow">while</span> ( current_ != end_ )
<a name="l00427"></a>00427 {
<a name="l00428"></a>00428 <span class="keywordflow">if</span> ( !(*current_ >= <span class="charliteral">'0'</span> && *current_ <= <span class="charliteral">'9'</span>) &&
<a name="l00429"></a>00429 !<a class="code" href="namespace_json.html#a7378f09d8f10ef3ccbb2aeefe7ff41d3">in</a>( *current_, <span class="charliteral">'.'</span>, <span class="charliteral">'e'</span>, <span class="charliteral">'E'</span>, <span class="charliteral">'+'</span>, <span class="charliteral">'-'</span> ) )
<a name="l00430"></a>00430 <span class="keywordflow">break</span>;
<a name="l00431"></a>00431 ++current_;
<a name="l00432"></a>00432 }
<a name="l00433"></a>00433 }
<a name="l00434"></a>00434
<a name="l00435"></a>00435 <span class="keywordtype">bool</span>
<a name="l00436"></a>00436 Reader::readString()
<a name="l00437"></a>00437 {
<a name="l00438"></a>00438 <a class="code" href="class_json_1_1_reader.html#a3eec9118f3e9a672ba8348c3a79d0f45">Char</a> c = 0;
<a name="l00439"></a>00439 <span class="keywordflow">while</span> ( current_ != end_ )
<a name="l00440"></a>00440 {
<a name="l00441"></a>00441 c = getNextChar();
<a name="l00442"></a>00442 <span class="keywordflow">if</span> ( c == <span class="charliteral">'\\'</span> )
<a name="l00443"></a>00443 getNextChar();
<a name="l00444"></a>00444 <span class="keywordflow">else</span> <span class="keywordflow">if</span> ( c == <span class="charliteral">'"'</span> )
<a name="l00445"></a>00445 <span class="keywordflow">break</span>;
<a name="l00446"></a>00446 }
<a name="l00447"></a>00447 <span class="keywordflow">return</span> c == <span class="charliteral">'"'</span>;
<a name="l00448"></a>00448 }
<a name="l00449"></a>00449
<a name="l00450"></a>00450
<a name="l00451"></a>00451 <span class="keywordtype">bool</span>
<a name="l00452"></a>00452 Reader::readObject( Token &<span class="comment">/*tokenStart*/</span> )
<a name="l00453"></a>00453 {
<a name="l00454"></a>00454 Token tokenName;
<a name="l00455"></a>00455 std::string name;
<a name="l00456"></a>00456 currentValue() = Value( <a class="code" href="namespace_json.html#a7d654b75c16a57007925868e38212b4eae8386dcfc36d1ae897745f7b4f77a1f6" title="object value (collection of name/value pairs).">objectValue</a> );
<a name="l00457"></a>00457 <span class="keywordflow">while</span> ( readToken( tokenName ) )
<a name="l00458"></a>00458 {
<a name="l00459"></a>00459 <span class="keywordtype">bool</span> initialTokenOk = <span class="keyword">true</span>;
<a name="l00460"></a>00460 <span class="keywordflow">while</span> ( tokenName.type_ == tokenComment && initialTokenOk )
<a name="l00461"></a>00461 initialTokenOk = readToken( tokenName );
<a name="l00462"></a>00462 <span class="keywordflow">if</span> ( !initialTokenOk )
<a name="l00463"></a>00463 <span class="keywordflow">break</span>;
<a name="l00464"></a>00464 <span class="keywordflow">if</span> ( tokenName.type_ == tokenObjectEnd && name.empty() ) <span class="comment">// empty object</span>
<a name="l00465"></a>00465 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00466"></a>00466 <span class="keywordflow">if</span> ( tokenName.type_ != tokenString )
<a name="l00467"></a>00467 <span class="keywordflow">break</span>;
<a name="l00468"></a>00468
<a name="l00469"></a>00469 name = <span class="stringliteral">""</span>;
<a name="l00470"></a>00470 <span class="keywordflow">if</span> ( !decodeString( tokenName, name ) )
<a name="l00471"></a>00471 <span class="keywordflow">return</span> recoverFromError( tokenObjectEnd );
<a name="l00472"></a>00472
<a name="l00473"></a>00473 Token colon;
<a name="l00474"></a>00474 <span class="keywordflow">if</span> ( !readToken( colon ) || colon.type_ != tokenMemberSeparator )
<a name="l00475"></a>00475 {
<a name="l00476"></a>00476 <span class="keywordflow">return</span> addErrorAndRecover( <span class="stringliteral">"Missing ':' after object member name"</span>,
<a name="l00477"></a>00477 colon,
<a name="l00478"></a>00478 tokenObjectEnd );
<a name="l00479"></a>00479 }
<a name="l00480"></a>00480 Value &value = currentValue()[ name ];
<a name="l00481"></a>00481 nodes_.push( &value );
<a name="l00482"></a>00482 <span class="keywordtype">bool</span> ok = readValue();
<a name="l00483"></a>00483 nodes_.pop();
<a name="l00484"></a>00484 <span class="keywordflow">if</span> ( !ok ) <span class="comment">// error already set</span>
<a name="l00485"></a>00485 <span class="keywordflow">return</span> recoverFromError( tokenObjectEnd );
<a name="l00486"></a>00486
<a name="l00487"></a>00487 Token comma;
<a name="l00488"></a>00488 <span class="keywordflow">if</span> ( !readToken( comma )
<a name="l00489"></a>00489 || ( comma.type_ != tokenObjectEnd &&
<a name="l00490"></a>00490 comma.type_ != tokenArraySeparator &&
<a name="l00491"></a>00491 comma.type_ != tokenComment ) )
<a name="l00492"></a>00492 {
<a name="l00493"></a>00493 <span class="keywordflow">return</span> addErrorAndRecover( <span class="stringliteral">"Missing ',' or '}' in object declaration"</span>,
<a name="l00494"></a>00494 comma,
<a name="l00495"></a>00495 tokenObjectEnd );
<a name="l00496"></a>00496 }
<a name="l00497"></a>00497 <span class="keywordtype">bool</span> finalizeTokenOk = <span class="keyword">true</span>;
<a name="l00498"></a>00498 <span class="keywordflow">while</span> ( comma.type_ == tokenComment &&
<a name="l00499"></a>00499 finalizeTokenOk )
<a name="l00500"></a>00500 finalizeTokenOk = readToken( comma );
<a name="l00501"></a>00501 <span class="keywordflow">if</span> ( comma.type_ == tokenObjectEnd )
<a name="l00502"></a>00502 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00503"></a>00503 }
<a name="l00504"></a>00504 <span class="keywordflow">return</span> addErrorAndRecover( <span class="stringliteral">"Missing '}' or object member name"</span>,
<a name="l00505"></a>00505 tokenName,
<a name="l00506"></a>00506 tokenObjectEnd );
<a name="l00507"></a>00507 }
<a name="l00508"></a>00508
<a name="l00509"></a>00509
<a name="l00510"></a>00510 <span class="keywordtype">bool</span>
<a name="l00511"></a>00511 Reader::readArray( Token &<span class="comment">/*tokenStart*/</span> )
<a name="l00512"></a>00512 {
<a name="l00513"></a>00513 currentValue() = Value( <a class="code" href="namespace_json.html#a7d654b75c16a57007925868e38212b4eadc8f264f36b55b063c78126b335415f4" title="array value (ordered list)">arrayValue</a> );
<a name="l00514"></a>00514 skipSpaces();
<a name="l00515"></a>00515 <span class="keywordflow">if</span> ( *current_ == <span class="charliteral">']'</span> ) <span class="comment">// empty array</span>
<a name="l00516"></a>00516 {
<a name="l00517"></a>00517 Token endArray;
<a name="l00518"></a>00518 readToken( endArray );
<a name="l00519"></a>00519 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00520"></a>00520 }
<a name="l00521"></a>00521 <span class="keywordtype">int</span> index = 0;
<a name="l00522"></a>00522 <span class="keywordflow">for</span> (;;)
<a name="l00523"></a>00523 {
<a name="l00524"></a>00524 Value &value = currentValue()[ index++ ];
<a name="l00525"></a>00525 nodes_.push( &value );
<a name="l00526"></a>00526 <span class="keywordtype">bool</span> ok = readValue();
<a name="l00527"></a>00527 nodes_.pop();
<a name="l00528"></a>00528 <span class="keywordflow">if</span> ( !ok ) <span class="comment">// error already set</span>
<a name="l00529"></a>00529 <span class="keywordflow">return</span> recoverFromError( tokenArrayEnd );
<a name="l00530"></a>00530
<a name="l00531"></a>00531 Token token;
<a name="l00532"></a>00532 <span class="comment">// Accept Comment after last item in the array.</span>
<a name="l00533"></a>00533 ok = readToken( token );
<a name="l00534"></a>00534 <span class="keywordflow">while</span> ( token.type_ == tokenComment && ok )
<a name="l00535"></a>00535 {
<a name="l00536"></a>00536 ok = readToken( token );
<a name="l00537"></a>00537 }
<a name="l00538"></a>00538 <span class="keywordtype">bool</span> badTokenType = ( token.type_ != tokenArraySeparator &&
<a name="l00539"></a>00539 token.type_ != tokenArrayEnd );
<a name="l00540"></a>00540 <span class="keywordflow">if</span> ( !ok || badTokenType )
<a name="l00541"></a>00541 {
<a name="l00542"></a>00542 <span class="keywordflow">return</span> addErrorAndRecover( <span class="stringliteral">"Missing ',' or ']' in array declaration"</span>,
<a name="l00543"></a>00543 token,
<a name="l00544"></a>00544 tokenArrayEnd );
<a name="l00545"></a>00545 }
<a name="l00546"></a>00546 <span class="keywordflow">if</span> ( token.type_ == tokenArrayEnd )
<a name="l00547"></a>00547 <span class="keywordflow">break</span>;
<a name="l00548"></a>00548 }
<a name="l00549"></a>00549 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00550"></a>00550 }
<a name="l00551"></a>00551
<a name="l00552"></a>00552
<a name="l00553"></a>00553 <span class="keywordtype">bool</span>
<a name="l00554"></a>00554 Reader::decodeNumber( Token &token )
<a name="l00555"></a>00555 {
<a name="l00556"></a>00556 <span class="keywordtype">bool</span> isDouble = <span class="keyword">false</span>;
<a name="l00557"></a>00557 <span class="keywordflow">for</span> ( <a class="code" href="class_json_1_1_reader.html#a46795b5b272bf79a7730e406cb96375a">Location</a> inspect = token.start_; inspect != token.end_; ++inspect )
<a name="l00558"></a>00558 {
<a name="l00559"></a>00559 isDouble = isDouble
<a name="l00560"></a>00560 || <a class="code" href="namespace_json.html#a7378f09d8f10ef3ccbb2aeefe7ff41d3">in</a>( *inspect, <span class="charliteral">'.'</span>, <span class="charliteral">'e'</span>, <span class="charliteral">'E'</span>, <span class="charliteral">'+'</span> )
<a name="l00561"></a>00561 || ( *inspect == <span class="charliteral">'-'</span> && inspect != token.start_ );
<a name="l00562"></a>00562 }
<a name="l00563"></a>00563 <span class="keywordflow">if</span> ( isDouble )
<a name="l00564"></a>00564 <span class="keywordflow">return</span> decodeDouble( token );
<a name="l00565"></a>00565 <span class="comment">// Attempts to parse the number as an integer. If the number is</span>
<a name="l00566"></a>00566 <span class="comment">// larger than the maximum supported value of an integer then</span>
<a name="l00567"></a>00567 <span class="comment">// we decode the number as a double.</span>
<a name="l00568"></a>00568 <a class="code" href="class_json_1_1_reader.html#a46795b5b272bf79a7730e406cb96375a">Location</a> current = token.start_;
<a name="l00569"></a>00569 <span class="keywordtype">bool</span> isNegative = *current == <span class="charliteral">'-'</span>;
<a name="l00570"></a>00570 <span class="keywordflow">if</span> ( isNegative )
<a name="l00571"></a>00571 ++current;
<a name="l00572"></a>00572 <a class="code" href="class_json_1_1_value.html#a6682a3684d635e03fc06ba229fa24eec">Value::LargestUInt</a> maxIntegerValue = isNegative ? <a class="code" href="namespace_json.html#ae202ecad69725e23443f465e257456d0">Value::LargestUInt</a>(-<a class="code" href="class_json_1_1_value.html#af91df130daa50dd43d2cd89e6ee67706" title="Minimum signed integer value that can be stored in a Json::Value.">Value::minLargestInt</a>)
<a name="l00573"></a>00573 : Value::maxLargestUInt;
<a name="l00574"></a>00574 Value::LargestUInt threshold = maxIntegerValue / 10;
<a name="l00575"></a>00575 <a class="code" href="class_json_1_1_value.html#a0933d59b45793ae4aade1757c322a98d">Value::UInt</a> lastDigitThreshold = <a class="code" href="namespace_json.html#a800fb90eb6ee8d5d62b600c06f87f7d4">Value::UInt</a>( maxIntegerValue % 10 );
<a name="l00576"></a>00576 assert( lastDigitThreshold >=0 && lastDigitThreshold <= 9 );
<a name="l00577"></a>00577 Value::LargestUInt value = 0;
<a name="l00578"></a>00578 <span class="keywordflow">while</span> ( current < token.end_ )
<a name="l00579"></a>00579 {
<a name="l00580"></a>00580 <a class="code" href="class_json_1_1_reader.html#a3eec9118f3e9a672ba8348c3a79d0f45">Char</a> c = *current++;
<a name="l00581"></a>00581 <span class="keywordflow">if</span> ( c < '0' || c > <span class="charliteral">'9'</span> )
<a name="l00582"></a>00582 <span class="keywordflow">return</span> addError( <span class="stringliteral">"'"</span> + std::string( token.start_, token.end_ ) + <span class="stringliteral">"' is not a number."</span>, token );
<a name="l00583"></a>00583 <a class="code" href="class_json_1_1_value.html#a0933d59b45793ae4aade1757c322a98d">Value::UInt</a> digit(c - <span class="charliteral">'0'</span>);
<a name="l00584"></a>00584 <span class="keywordflow">if</span> ( value >= threshold )
<a name="l00585"></a>00585 {
<a name="l00586"></a>00586 <span class="comment">// If the current digit is not the last one, or if it is</span>
<a name="l00587"></a>00587 <span class="comment">// greater than the last digit of the maximum integer value,</span>
<a name="l00588"></a>00588 <span class="comment">// the parse the number as a double.</span>
<a name="l00589"></a>00589 <span class="keywordflow">if</span> ( current != token.end_ || digit > lastDigitThreshold )
<a name="l00590"></a>00590 {
<a name="l00591"></a>00591 <span class="keywordflow">return</span> decodeDouble( token );
<a name="l00592"></a>00592 }
<a name="l00593"></a>00593 }
<a name="l00594"></a>00594 value = value * 10 + digit;
<a name="l00595"></a>00595 }
<a name="l00596"></a>00596 <span class="keywordflow">if</span> ( isNegative )
<a name="l00597"></a>00597 currentValue() = -<a class="code" href="namespace_json.html#a218d880af853ce786cd985e82571d297">Value::LargestInt</a>( value );
<a name="l00598"></a>00598 <span class="keywordflow">else</span> <span class="keywordflow">if</span> ( value <= Value::LargestUInt(<a class="code" href="class_json_1_1_value.html#a978c799a8af3114ef7dab6fd0a310a1b" title="Maximum signed int value that can be stored in a Json::Value.">Value::maxInt</a>) )
<a name="l00599"></a>00599 currentValue() = <a class="code" href="namespace_json.html#a218d880af853ce786cd985e82571d297">Value::LargestInt</a>( value );
<a name="l00600"></a>00600 <span class="keywordflow">else</span>
<a name="l00601"></a>00601 currentValue() = value;
<a name="l00602"></a>00602 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00603"></a>00603 }
<a name="l00604"></a>00604
<a name="l00605"></a>00605
<a name="l00606"></a>00606 <span class="keywordtype">bool</span>
<a name="l00607"></a>00607 Reader::decodeDouble( Token &token )
<a name="l00608"></a>00608 {
<a name="l00609"></a>00609 <span class="keywordtype">double</span> value = 0;
<a name="l00610"></a>00610 <span class="keyword">const</span> <span class="keywordtype">int</span> bufferSize = 32;
<a name="l00611"></a>00611 <span class="keywordtype">int</span> count;
<a name="l00612"></a>00612 <span class="keywordtype">int</span> length = int(token.end_ - token.start_);
<a name="l00613"></a>00613 <span class="keywordflow">if</span> ( length <= bufferSize )
<a name="l00614"></a>00614 {
<a name="l00615"></a>00615 <a class="code" href="class_json_1_1_reader.html#a3eec9118f3e9a672ba8348c3a79d0f45">Char</a> buffer[bufferSize+1];
<a name="l00616"></a>00616 memcpy( buffer, token.start_, length );
<a name="l00617"></a>00617 buffer[length] = 0;
<a name="l00618"></a>00618 count = sscanf( buffer, <span class="stringliteral">"%lf"</span>, &value );
<a name="l00619"></a>00619 }
<a name="l00620"></a>00620 <span class="keywordflow">else</span>
<a name="l00621"></a>00621 {
<a name="l00622"></a>00622 std::string buffer( token.start_, token.end_ );
<a name="l00623"></a>00623 count = sscanf( buffer.c_str(), <span class="stringliteral">"%lf"</span>, &value );
<a name="l00624"></a>00624 }
<a name="l00625"></a>00625
<a name="l00626"></a>00626 <span class="keywordflow">if</span> ( count != 1 )
<a name="l00627"></a>00627 <span class="keywordflow">return</span> addError( <span class="stringliteral">"'"</span> + std::string( token.start_, token.end_ ) + <span class="stringliteral">"' is not a number."</span>, token );
<a name="l00628"></a>00628 currentValue() = value;
<a name="l00629"></a>00629 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00630"></a>00630 }
<a name="l00631"></a>00631
<a name="l00632"></a>00632
<a name="l00633"></a>00633 <span class="keywordtype">bool</span>
<a name="l00634"></a>00634 Reader::decodeString( Token &token )
<a name="l00635"></a>00635 {
<a name="l00636"></a>00636 std::string decoded;
<a name="l00637"></a>00637 <span class="keywordflow">if</span> ( !decodeString( token, decoded ) )
<a name="l00638"></a>00638 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00639"></a>00639 currentValue() = decoded;
<a name="l00640"></a>00640 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00641"></a>00641 }
<a name="l00642"></a>00642
<a name="l00643"></a>00643
<a name="l00644"></a>00644 <span class="keywordtype">bool</span>
<a name="l00645"></a>00645 Reader::decodeString( Token &token, std::string &decoded )
<a name="l00646"></a>00646 {
<a name="l00647"></a>00647 decoded.reserve( token.end_ - token.start_ - 2 );
<a name="l00648"></a>00648 <a class="code" href="class_json_1_1_reader.html#a46795b5b272bf79a7730e406cb96375a">Location</a> current = token.start_ + 1; <span class="comment">// skip '"'</span>
<a name="l00649"></a>00649 <a class="code" href="class_json_1_1_reader.html#a46795b5b272bf79a7730e406cb96375a">Location</a> end = token.end_ - 1; <span class="comment">// do not include '"'</span>
<a name="l00650"></a>00650 <span class="keywordflow">while</span> ( current != end )
<a name="l00651"></a>00651 {
<a name="l00652"></a>00652 <a class="code" href="class_json_1_1_reader.html#a3eec9118f3e9a672ba8348c3a79d0f45">Char</a> c = *current++;
<a name="l00653"></a>00653 <span class="keywordflow">if</span> ( c == <span class="charliteral">'"'</span> )
<a name="l00654"></a>00654 <span class="keywordflow">break</span>;
<a name="l00655"></a>00655 <span class="keywordflow">else</span> <span class="keywordflow">if</span> ( c == <span class="charliteral">'\\'</span> )
<a name="l00656"></a>00656 {
<a name="l00657"></a>00657 <span class="keywordflow">if</span> ( current == end )
<a name="l00658"></a>00658 <span class="keywordflow">return</span> addError( <span class="stringliteral">"Empty escape sequence in string"</span>, token, current );
<a name="l00659"></a>00659 <a class="code" href="class_json_1_1_reader.html#a3eec9118f3e9a672ba8348c3a79d0f45">Char</a> escape = *current++;
<a name="l00660"></a>00660 <span class="keywordflow">switch</span> ( escape )
<a name="l00661"></a>00661 {
<a name="l00662"></a>00662 <span class="keywordflow">case</span> <span class="charliteral">'"'</span>: decoded += <span class="charliteral">'"'</span>; <span class="keywordflow">break</span>;
<a name="l00663"></a>00663 <span class="keywordflow">case</span> <span class="charliteral">'/'</span>: decoded += <span class="charliteral">'/'</span>; <span class="keywordflow">break</span>;
<a name="l00664"></a>00664 <span class="keywordflow">case</span> <span class="charliteral">'\\'</span>: decoded += <span class="charliteral">'\\'</span>; <span class="keywordflow">break</span>;
<a name="l00665"></a>00665 <span class="keywordflow">case</span> <span class="charliteral">'b'</span>: decoded += <span class="charliteral">'\b'</span>; <span class="keywordflow">break</span>;
<a name="l00666"></a>00666 <span class="keywordflow">case</span> <span class="charliteral">'f'</span>: decoded += <span class="charliteral">'\f'</span>; <span class="keywordflow">break</span>;
<a name="l00667"></a>00667 <span class="keywordflow">case</span> <span class="charliteral">'n'</span>: decoded += <span class="charliteral">'\n'</span>; <span class="keywordflow">break</span>;
<a name="l00668"></a>00668 <span class="keywordflow">case</span> <span class="charliteral">'r'</span>: decoded += <span class="charliteral">'\r'</span>; <span class="keywordflow">break</span>;
<a name="l00669"></a>00669 <span class="keywordflow">case</span> <span class="charliteral">'t'</span>: decoded += <span class="charliteral">'\t'</span>; <span class="keywordflow">break</span>;
<a name="l00670"></a>00670 <span class="keywordflow">case</span> <span class="charliteral">'u'</span>:
<a name="l00671"></a>00671 {
<a name="l00672"></a>00672 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> unicode;
<a name="l00673"></a>00673 <span class="keywordflow">if</span> ( !decodeUnicodeCodePoint( token, current, end, unicode ) )
<a name="l00674"></a>00674 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00675"></a>00675 decoded += <a class="code" href="namespace_json.html#adf0456e397a18cd7218a7b51dfc13c73" title="Converts a unicode code-point to UTF-8.">codePointToUTF8</a>(unicode);
<a name="l00676"></a>00676 }
<a name="l00677"></a>00677 <span class="keywordflow">break</span>;
<a name="l00678"></a>00678 <span class="keywordflow">default</span>:
<a name="l00679"></a>00679 <span class="keywordflow">return</span> addError( <span class="stringliteral">"Bad escape sequence in string"</span>, token, current );
<a name="l00680"></a>00680 }
<a name="l00681"></a>00681 }
<a name="l00682"></a>00682 <span class="keywordflow">else</span>
<a name="l00683"></a>00683 {
<a name="l00684"></a>00684 decoded += c;
<a name="l00685"></a>00685 }
<a name="l00686"></a>00686 }
<a name="l00687"></a>00687 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00688"></a>00688 }
<a name="l00689"></a>00689
<a name="l00690"></a>00690 <span class="keywordtype">bool</span>
<a name="l00691"></a>00691 Reader::decodeUnicodeCodePoint( Token &token,
<a name="l00692"></a>00692 Location &current,
<a name="l00693"></a>00693 Location end,
<a name="l00694"></a>00694 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> &unicode )
<a name="l00695"></a>00695 {
<a name="l00696"></a>00696
<a name="l00697"></a>00697 <span class="keywordflow">if</span> ( !decodeUnicodeEscapeSequence( token, current, end, unicode ) )
<a name="l00698"></a>00698 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00699"></a>00699 <span class="keywordflow">if</span> (unicode >= 0xD800 && unicode <= 0xDBFF)
<a name="l00700"></a>00700 {
<a name="l00701"></a>00701 <span class="comment">// surrogate pairs</span>
<a name="l00702"></a>00702 <span class="keywordflow">if</span> (end - current < 6)
<a name="l00703"></a>00703 <span class="keywordflow">return</span> addError( <span class="stringliteral">"additional six characters expected to parse unicode surrogate pair."</span>, token, current );
<a name="l00704"></a>00704 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> surrogatePair;
<a name="l00705"></a>00705 <span class="keywordflow">if</span> (*(current++) == <span class="charliteral">'\\'</span> && *(current++)== <span class="charliteral">'u'</span>)
<a name="l00706"></a>00706 {
<a name="l00707"></a>00707 <span class="keywordflow">if</span> (decodeUnicodeEscapeSequence( token, current, end, surrogatePair ))
<a name="l00708"></a>00708 {
<a name="l00709"></a>00709 unicode = 0x10000 + ((unicode & 0x3FF) << 10) + (surrogatePair & 0x3FF);
<a name="l00710"></a>00710 }
<a name="l00711"></a>00711 <span class="keywordflow">else</span>
<a name="l00712"></a>00712 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00713"></a>00713 }
<a name="l00714"></a>00714 <span class="keywordflow">else</span>
<a name="l00715"></a>00715 <span class="keywordflow">return</span> addError( <span class="stringliteral">"expecting another \\u token to begin the second half of a unicode surrogate pair"</span>, token, current );
<a name="l00716"></a>00716 }
<a name="l00717"></a>00717 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00718"></a>00718 }
<a name="l00719"></a>00719
<a name="l00720"></a>00720 <span class="keywordtype">bool</span>
<a name="l00721"></a>00721 Reader::decodeUnicodeEscapeSequence( Token &token,
<a name="l00722"></a>00722 Location &current,
<a name="l00723"></a>00723 Location end,
<a name="l00724"></a>00724 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> &unicode )
<a name="l00725"></a>00725 {
<a name="l00726"></a>00726 <span class="keywordflow">if</span> ( end - current < 4 )
<a name="l00727"></a>00727 <span class="keywordflow">return</span> addError( <span class="stringliteral">"Bad unicode escape sequence in string: four digits expected."</span>, token, current );
<a name="l00728"></a>00728 unicode = 0;
<a name="l00729"></a>00729 <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> index =0; index < 4; ++index )
<a name="l00730"></a>00730 {
<a name="l00731"></a>00731 <a class="code" href="class_json_1_1_reader.html#a3eec9118f3e9a672ba8348c3a79d0f45">Char</a> c = *current++;
<a name="l00732"></a>00732 unicode *= 16;
<a name="l00733"></a>00733 <span class="keywordflow">if</span> ( c >= <span class="charliteral">'0'</span> && c <= <span class="charliteral">'9'</span> )
<a name="l00734"></a>00734 unicode += c - <span class="charliteral">'0'</span>;
<a name="l00735"></a>00735 <span class="keywordflow">else</span> <span class="keywordflow">if</span> ( c >= <span class="charliteral">'a'</span> && c <= <span class="charliteral">'f'</span> )
<a name="l00736"></a>00736 unicode += c - <span class="charliteral">'a'</span> + 10;
<a name="l00737"></a>00737 <span class="keywordflow">else</span> <span class="keywordflow">if</span> ( c >= <span class="charliteral">'A'</span> && c <= <span class="charliteral">'F'</span> )
<a name="l00738"></a>00738 unicode += c - <span class="charliteral">'A'</span> + 10;
<a name="l00739"></a>00739 <span class="keywordflow">else</span>
<a name="l00740"></a>00740 <span class="keywordflow">return</span> addError( <span class="stringliteral">"Bad unicode escape sequence in string: hexadecimal digit expected."</span>, token, current );
<a name="l00741"></a>00741 }
<a name="l00742"></a>00742 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00743"></a>00743 }
<a name="l00744"></a>00744
<a name="l00745"></a>00745
<a name="l00746"></a>00746 <span class="keywordtype">bool</span>
<a name="l00747"></a>00747 Reader::addError( <span class="keyword">const</span> std::string &message,
<a name="l00748"></a>00748 Token &token,
<a name="l00749"></a>00749 Location extra )
<a name="l00750"></a>00750 {
<a name="l00751"></a>00751 ErrorInfo info;
<a name="l00752"></a>00752 info.token_ = token;
<a name="l00753"></a>00753 info.message_ = message;
<a name="l00754"></a>00754 info.extra_ = extra;
<a name="l00755"></a>00755 errors_.push_back( info );
<a name="l00756"></a>00756 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00757"></a>00757 }
<a name="l00758"></a>00758
<a name="l00759"></a>00759
<a name="l00760"></a>00760 <span class="keywordtype">bool</span>
<a name="l00761"></a>00761 Reader::recoverFromError( TokenType skipUntilToken )
<a name="l00762"></a>00762 {
<a name="l00763"></a>00763 <span class="keywordtype">int</span> errorCount = int(errors_.size());
<a name="l00764"></a>00764 Token skip;
<a name="l00765"></a>00765 <span class="keywordflow">for</span> (;;)
<a name="l00766"></a>00766 {
<a name="l00767"></a>00767 <span class="keywordflow">if</span> ( !readToken(skip) )
<a name="l00768"></a>00768 errors_.resize( errorCount ); <span class="comment">// discard errors caused by recovery</span>
<a name="l00769"></a>00769 <span class="keywordflow">if</span> ( skip.type_ == skipUntilToken || skip.type_ == tokenEndOfStream )
<a name="l00770"></a>00770 <span class="keywordflow">break</span>;
<a name="l00771"></a>00771 }
<a name="l00772"></a>00772 errors_.resize( errorCount );
<a name="l00773"></a>00773 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00774"></a>00774 }
<a name="l00775"></a>00775
<a name="l00776"></a>00776
<a name="l00777"></a>00777 <span class="keywordtype">bool</span>
<a name="l00778"></a>00778 Reader::addErrorAndRecover( <span class="keyword">const</span> std::string &message,
<a name="l00779"></a>00779 Token &token,
<a name="l00780"></a>00780 TokenType skipUntilToken )
<a name="l00781"></a>00781 {
<a name="l00782"></a>00782 addError( message, token );
<a name="l00783"></a>00783 <span class="keywordflow">return</span> recoverFromError( skipUntilToken );
<a name="l00784"></a>00784 }
<a name="l00785"></a>00785
<a name="l00786"></a>00786
<a name="l00787"></a>00787 Value &
<a name="l00788"></a>00788 Reader::currentValue()
<a name="l00789"></a>00789 {
<a name="l00790"></a>00790 <span class="keywordflow">return</span> *(nodes_.top());
<a name="l00791"></a>00791 }
<a name="l00792"></a>00792
<a name="l00793"></a>00793
<a name="l00794"></a>00794 <a class="code" href="class_json_1_1_reader.html#a3eec9118f3e9a672ba8348c3a79d0f45">Reader::Char</a>
<a name="l00795"></a>00795 Reader::getNextChar()
<a name="l00796"></a>00796 {
<a name="l00797"></a>00797 <span class="keywordflow">if</span> ( current_ == end_ )
<a name="l00798"></a>00798 <span class="keywordflow">return</span> 0;
<a name="l00799"></a>00799 <span class="keywordflow">return</span> *current_++;
<a name="l00800"></a>00800 }
<a name="l00801"></a>00801
<a name="l00802"></a>00802
<a name="l00803"></a>00803 <span class="keywordtype">void</span>
<a name="l00804"></a>00804 Reader::getLocationLineAndColumn( Location location,
<a name="l00805"></a>00805 <span class="keywordtype">int</span> &line,
<a name="l00806"></a>00806 <span class="keywordtype">int</span> &column )<span class="keyword"> const</span>
<a name="l00807"></a>00807 <span class="keyword"></span>{
<a name="l00808"></a>00808 <a class="code" href="class_json_1_1_reader.html#a46795b5b272bf79a7730e406cb96375a">Location</a> current = begin_;
<a name="l00809"></a>00809 <a class="code" href="class_json_1_1_reader.html#a46795b5b272bf79a7730e406cb96375a">Location</a> lastLineStart = current;
<a name="l00810"></a>00810 line = 0;
<a name="l00811"></a>00811 <span class="keywordflow">while</span> ( current < location && current != end_ )
<a name="l00812"></a>00812 {
<a name="l00813"></a>00813 <a class="code" href="class_json_1_1_reader.html#a3eec9118f3e9a672ba8348c3a79d0f45">Char</a> c = *current++;
<a name="l00814"></a>00814 <span class="keywordflow">if</span> ( c == <span class="charliteral">'\r'</span> )
<a name="l00815"></a>00815 {
<a name="l00816"></a>00816 <span class="keywordflow">if</span> ( *current == <span class="charliteral">'\n'</span> )
<a name="l00817"></a>00817 ++current;
<a name="l00818"></a>00818 lastLineStart = current;
<a name="l00819"></a>00819 ++line;
<a name="l00820"></a>00820 }
<a name="l00821"></a>00821 <span class="keywordflow">else</span> <span class="keywordflow">if</span> ( c == <span class="charliteral">'\n'</span> )
<a name="l00822"></a>00822 {
<a name="l00823"></a>00823 lastLineStart = current;
<a name="l00824"></a>00824 ++line;
<a name="l00825"></a>00825 }
<a name="l00826"></a>00826 }
<a name="l00827"></a>00827 <span class="comment">// column & line start at 1</span>
<a name="l00828"></a>00828 column = int(location - lastLineStart) + 1;
<a name="l00829"></a>00829 ++line;
<a name="l00830"></a>00830 }
<a name="l00831"></a>00831
<a name="l00832"></a>00832
<a name="l00833"></a>00833 std::string
<a name="l00834"></a>00834 Reader::getLocationLineAndColumn( Location location )<span class="keyword"> const</span>
<a name="l00835"></a>00835 <span class="keyword"></span>{
<a name="l00836"></a>00836 <span class="keywordtype">int</span> line, column;
<a name="l00837"></a>00837 getLocationLineAndColumn( location, line, column );
<a name="l00838"></a>00838 <span class="keywordtype">char</span> buffer[18+16+16+1];
<a name="l00839"></a>00839 sprintf( buffer, <span class="stringliteral">"Line %d, Column %d"</span>, line, column );
<a name="l00840"></a>00840 <span class="keywordflow">return</span> buffer;
<a name="l00841"></a>00841 }
<a name="l00842"></a>00842
<a name="l00843"></a>00843
<a name="l00844"></a>00844 <span class="comment">// Deprecated. Preserved for backward compatibility</span>
<a name="l00845"></a>00845 std::string
<a name="l00846"></a><a class="code" href="class_json_1_1_reader.html#afa4a59e962d23c4d1c38b433fc95eefa">00846</a> <a class="code" href="class_json_1_1_reader.html#afa4a59e962d23c4d1c38b433fc95eefa" title="Returns a user friendly string that list errors in the parsed document.">Reader::getFormatedErrorMessages</a>()<span class="keyword"> const</span>
<a name="l00847"></a>00847 <span class="keyword"></span>{
<a name="l00848"></a>00848 <span class="keywordflow">return</span> <a class="code" href="class_json_1_1_reader.html#a95ab50aa789132e9dee0fc1475c85acf" title="Returns a user friendly string that list errors in the parsed document.">getFormattedErrorMessages</a>();
<a name="l00849"></a>00849 }
<a name="l00850"></a>00850
<a name="l00851"></a>00851
<a name="l00852"></a>00852 std::string
<a name="l00853"></a><a class="code" href="class_json_1_1_reader.html#a95ab50aa789132e9dee0fc1475c85acf">00853</a> <a class="code" href="class_json_1_1_reader.html#a95ab50aa789132e9dee0fc1475c85acf" title="Returns a user friendly string that list errors in the parsed document.">Reader::getFormattedErrorMessages</a>()<span class="keyword"> const</span>
<a name="l00854"></a>00854 <span class="keyword"></span>{
<a name="l00855"></a>00855 std::string formattedMessage;
<a name="l00856"></a>00856 <span class="keywordflow">for</span> ( Errors::const_iterator itError = errors_.begin();
<a name="l00857"></a>00857 itError != errors_.end();
<a name="l00858"></a>00858 ++itError )
<a name="l00859"></a>00859 {
<a name="l00860"></a>00860 <span class="keyword">const</span> ErrorInfo &error = *itError;
<a name="l00861"></a>00861 formattedMessage += <span class="stringliteral">"* "</span> + getLocationLineAndColumn( error.token_.start_ ) + <span class="stringliteral">"\n"</span>;
<a name="l00862"></a>00862 formattedMessage += <span class="stringliteral">" "</span> + error.message_ + <span class="stringliteral">"\n"</span>;
<a name="l00863"></a>00863 <span class="keywordflow">if</span> ( error.extra_ )
<a name="l00864"></a>00864 formattedMessage += <span class="stringliteral">"See "</span> + getLocationLineAndColumn( error.extra_ ) + <span class="stringliteral">" for detail.\n"</span>;
<a name="l00865"></a>00865 }
<a name="l00866"></a>00866 <span class="keywordflow">return</span> formattedMessage;
<a name="l00867"></a>00867 }
<a name="l00868"></a>00868
<a name="l00869"></a>00869
<a name="l00870"></a><a class="code" href="namespace_json.html#a4d245ef719cc0853e8e78eb5f99c16e5">00870</a> std::istream& <a class="code" href="namespace_json.html#a4d245ef719cc0853e8e78eb5f99c16e5" title="Read from 'sin' into 'root'.">operator>></a>( std::istream &sin, <a class="code" href="class_json_1_1_value.html" title="Represents a JSON value.">Value</a> &root )
<a name="l00871"></a>00871 {
<a name="l00872"></a>00872 <a class="code" href="class_json_1_1_reader.html" title="Unserialize a JSON document into a Value.">Json::Reader</a> reader;
<a name="l00873"></a>00873 <span class="keywordtype">bool</span> ok = reader.<a class="code" href="class_json_1_1_reader.html#af1da6c976ad1e96c742804c3853eef94" title="Read a Value from a JSON document.">parse</a>(sin, root, <span class="keyword">true</span>);
<a name="l00874"></a>00874 <span class="comment">//JSON_ASSERT( ok );</span>
<a name="l00875"></a>00875 <span class="keywordflow">if</span> (!ok) <span class="keywordflow">throw</span> std::runtime_error(reader.<a class="code" href="class_json_1_1_reader.html#a95ab50aa789132e9dee0fc1475c85acf" title="Returns a user friendly string that list errors in the parsed document.">getFormattedErrorMessages</a>());
<a name="l00876"></a>00876 <span class="keywordflow">return</span> sin;
<a name="l00877"></a>00877 }
<a name="l00878"></a>00878
<a name="l00879"></a>00879
<a name="l00880"></a>00880 } <span class="comment">// namespace Json</span>
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