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<div class="title">strsvsample01.cpp</div> </div>
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<p>Example of how to use bm::str_sparse_vector<> - succinct container for bit-transposed string collections</p><dl class="section see"><dt>See also</dt><dd><a class="el" href="classbm_1_1str__sparse__vector.html" title="sparse vector for strings with compression using bit transposition method">bm::str_sparse_vector</a></dd></dl>
<div class="fragment"><div class="line"><span class="comment">/*</span></div>
<div class="line"><span class="comment">Copyright(c) 2002-2017 Anatoliy Kuznetsov(anatoliy_kuznetsov at yahoo.com)</span></div>
<div class="line"><span class="comment"></span> </div>
<div class="line"><span class="comment">Licensed under the Apache License, Version 2.0 (the "License");</span></div>
<div class="line"><span class="comment">you may not use this file except in compliance with the License.</span></div>
<div class="line"><span class="comment">You may obtain a copy of the License at</span></div>
<div class="line"><span class="comment"></span> </div>
<div class="line"><span class="comment"> http://www.apache.org/licenses/LICENSE-2.0</span></div>
<div class="line"><span class="comment"></span> </div>
<div class="line"><span class="comment">Unless required by applicable law or agreed to in writing, software</span></div>
<div class="line"><span class="comment">distributed under the License is distributed on an "AS IS" BASIS,</span></div>
<div class="line"><span class="comment">WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div>
<div class="line"><span class="comment">See the License for the specific language governing permissions and</span></div>
<div class="line"><span class="comment">limitations under the License.</span></div>
<div class="line"><span class="comment"></span> </div>
<div class="line"><span class="comment">For more information please visit: http://bitmagic.io</span></div>
<div class="line"><span class="comment">*/</span></div>
<div class="line"><span class="comment"></span> </div>
<div class="line"><span class="comment">/** \example strsvsample01.cpp</span></div>
<div class="line"><span class="comment"> Example of how to use bm::str_sparse_vector<> - succinct container for</span></div>
<div class="line"><span class="comment"> bit-transposed string collections</span></div>
<div class="line"><span class="comment"> </span></div>
<div class="line"><span class="comment"> \sa bm::str_sparse_vector</span></div>
<div class="line"><span class="comment">*/</span></div>
<div class="line"><span class="comment"></span> </div>
<div class="line"><span class="comment">/*! \file strsvsample01.cpp</span></div>
<div class="line"><span class="comment"> \brief Example: str_sparse_vector<> set values, optimize memory</span></div>
<div class="line"><span class="comment">*/</span></div>
<div class="line"> </div>
<div class="line"><span class="preprocessor">#include <iostream></span></div>
<div class="line"><span class="preprocessor">#include <string></span></div>
<div class="line"><span class="preprocessor">#include <vector></span></div>
<div class="line"> </div>
<div class="line"><span class="preprocessor">#include "<a class="code" href="bm_8h.html">bm.h</a>"</span></div>
<div class="line"><span class="preprocessor">#include "<a class="code" href="bmstrsparsevec_8h.html">bmstrsparsevec.h</a>"</span></div>
<div class="line"> </div>
<div class="line"><span class="keyword">using namespace </span>std;</div>
<div class="line"> </div>
<div class="line"><span class="keyword">typedef</span> <a name="_a0"></a><a class="code" href="classbm_1_1bvector.html">bm::bvector<></a> <a name="a1"></a><a class="code" href="strsvsample01_8cpp.html#a4ca03dfc387c36e69ea916426572acdc">bvector_type</a>;</div>
<div class="line"> </div>
<div class="line"><span class="comment">// define the sparse vector type for 'char' type using bvector as</span></div>
<div class="line"><span class="comment">// a container of bits for bit-transposed planes</span></div>
<div class="line"><span class="comment">// 32 - is maximum string length for this container.</span></div>
<div class="line"><span class="comment">// Memory allocation is dynamic using sparse techniques, so this number</span></div>
<div class="line"><span class="comment">// just defines the max capacity.</span></div>
<div class="line"><span class="comment">//</span></div>
<div class="line"><span class="keyword">typedef</span> <a name="_a2"></a><a class="code" href="classbm_1_1str__sparse__vector.html">bm::str_sparse_vector<char, bvector_type, 32></a> <a name="a3"></a><a class="code" href="strsvsample01_8cpp.html#a40e0964f33e14e29a808ca1e6c68c11c">str_sv_type</a>;</div>
<div class="line"> </div>
<div class="line"><span class="keywordtype">int</span> <a name="a4"></a><a class="code" href="strsvsample01_8cpp.html#a840291bc02cba5474a4cb46a9b9566fe">main</a>(<span class="keywordtype">void</span>)</div>
<div class="line">{</div>
<div class="line"> <span class="keywordflow">try</span></div>
<div class="line"> {</div>
<div class="line"> <a class="code" href="classbm_1_1str__sparse__vector.html">str_sv_type</a> str_sv;</div>
<div class="line"> </div>
<div class="line"> <span class="keyword">const</span> <span class="keywordtype">char</span>* s0 = <span class="stringliteral">"asz1234"</span>;</div>
<div class="line"> std::string str1 = <span class="stringliteral">"aqw1234"</span>;</div>
<div class="line"> std::string str3 = <span class="stringliteral">"54z"</span>;</div>
<div class="line"> std::string str00 = <span class="stringliteral">"00"</span>;</div>
<div class="line"> </div>
<div class="line"> str_sv.<a name="a5"></a><a class="code" href="classbm_1_1str__sparse__vector.html#aa33c3d85960d5d06528bc89a1e546422">set</a>(0, s0); <span class="comment">// set a C-string</span></div>
<div class="line"> str_sv.<a name="a6"></a><a class="code" href="classbm_1_1str__sparse__vector.html#a7333e605d8ce5f5673a849695882fd58">push_back</a>(str1); <span class="comment">// add from an STL string</span></div>
<div class="line"> </div>
<div class="line"> str_sv.<a name="a7"></a><a class="code" href="classbm_1_1str__sparse__vector.html#af9bab87eacd43957d02477595beffc48">assign</a>(3, str3); <span class="comment">// assign element 3 from an STL string</span></div>
<div class="line"> </div>
<div class="line"> <span class="comment">// please note that container automatically resizes</span></div>
<div class="line"> std::cout << <span class="stringliteral">"sv size()="</span> << str_sv.<a name="a8"></a><a class="code" href="classbm_1_1str__sparse__vector.html#a8c07aff1f17d07156fc65c1d7d7436f5">size</a>() << endl; <span class="comment">// 4</span></div>
<div class="line"> </div>
<div class="line"> str_sv.<a name="a9"></a><a class="code" href="classbm_1_1str__sparse__vector.html#a9be0fe2a9660e3aec2c99eb64c27c2d4">insert</a>(0, str00); <span class="comment">// insert element</span></div>
<div class="line"> </div>
<div class="line"> str_sv.<a name="a10"></a><a class="code" href="classbm_1_1str__sparse__vector.html#a04b2ddfd458ced7e90804011c71bac6c">erase</a>(0); <span class="comment">// erase element 0</span></div>
<div class="line"> </div>
<div class="line"> </div>
<div class="line"> <span class="comment">// optimize runs compression in all bit-plains</span></div>
<div class="line"> {</div>
<div class="line"> <a name="a11"></a><a class="code" href="bm_8h.html#ad9736d9521d713fa5d48859aa720bfdd">BM_DECLARE_TEMP_BLOCK</a>(tb)</div>
<div class="line"> str_sv.<a name="a12"></a><a class="code" href="classbm_1_1str__sparse__vector.html#a8f463b96e96c49e1b04705600730333f">optimize</a>(tb);</div>
<div class="line"> }</div>
<div class="line"> </div>
<div class="line"> <span class="comment">// print out the container content using [] reference</span></div>
<div class="line"> <span class="comment">//</span></div>
<div class="line"> <span class="keywordflow">for</span> (<a class="code" href="classbm_1_1str__sparse__vector.html#a320953c0346da7ba7c87aee6efb42fad">str_sv_type::size_type</a> i = 0; i < str_sv.<a class="code" href="classbm_1_1str__sparse__vector.html#a8c07aff1f17d07156fc65c1d7d7436f5">size</a>(); ++i)</div>
<div class="line"> {</div>
<div class="line"> <span class="keyword">const</span> <span class="keywordtype">char</span>* s = str_sv[i];</div>
<div class="line"> cout << i << <span class="stringliteral">":"</span> << s << endl;</div>
<div class="line"> } <span class="comment">// for i</span></div>
<div class="line"> cout << <span class="stringliteral">"----"</span> << endl;</div>
<div class="line"> </div>
<div class="line"> <span class="comment">// print content using const_iterator</span></div>
<div class="line"> <span class="comment">//</span></div>
<div class="line"> <span class="comment">// const iterator has a bulk implementation,</span></div>
<div class="line"> <span class="comment">// not like random access const_iterator is transposing a whole set</span></div>
<div class="line"> <span class="comment">// of elements at once, it is faster for bulk traverse</span></div>
<div class="line"> <span class="comment">//</span></div>
<div class="line"> {</div>
<div class="line"> <a name="_a13"></a><a class="code" href="classbm_1_1str__sparse__vector_1_1const__iterator.html">str_sv_type::const_iterator</a> it = str_sv.<a name="a14"></a><a class="code" href="classbm_1_1str__sparse__vector.html#af28598d355b1c1d02d184c40b48dc695">begin</a>();</div>
<div class="line"> <a class="code" href="classbm_1_1str__sparse__vector_1_1const__iterator.html">str_sv_type::const_iterator</a> it_end = str_sv.<a name="a15"></a><a class="code" href="classbm_1_1str__sparse__vector.html#a71fb51aa01e45b1d796def0353465985">end</a>();</div>
<div class="line"> <span class="keywordflow">for</span> (; it != it_end; ++it)</div>
<div class="line"> {</div>
<div class="line"> cout << *it << endl;</div>
<div class="line"> } <span class="comment">// for it</span></div>
<div class="line"> }</div>
<div class="line"> }</div>
<div class="line"> <span class="keywordflow">catch</span>(std::exception& ex)</div>
<div class="line"> {</div>
<div class="line"> std::cerr << ex.what() << std::endl;</div>
<div class="line"> <span class="keywordflow">return</span> 1;</div>
<div class="line"> }</div>
<div class="line"> </div>
<div class="line"> </div>
<div class="line"> <span class="keywordflow">return</span> 0;</div>
<div class="line">}</div>
<div class="line"> </div>
</div><!-- fragment --> </div><!-- contents -->
<div class="ttc" id="aclassbm_1_1str__sparse__vector_html_a7333e605d8ce5f5673a849695882fd58"><div class="ttname"><a href="classbm_1_1str__sparse__vector.html#a7333e605d8ce5f5673a849695882fd58">bm::str_sparse_vector::push_back</a></div><div class="ttdeci">void push_back(const StrType &str)</div><div class="ttdoc">push back a string</div><div class="ttdef"><b>Definition:</b> <a href="bmstrsparsevec_8h_source.html#l00532">bmstrsparsevec.h:532</a></div></div>
<div class="ttc" id="abm_8h_html_ad9736d9521d713fa5d48859aa720bfdd"><div class="ttname"><a href="bm_8h.html#ad9736d9521d713fa5d48859aa720bfdd">BM_DECLARE_TEMP_BLOCK</a></div><div class="ttdeci">#define BM_DECLARE_TEMP_BLOCK(x)</div><div class="ttdef"><b>Definition:</b> <a href="bm_8h_source.html#l00047">bm.h:47</a></div></div>
<div class="ttc" id="astrsvsample01_8cpp_html_a840291bc02cba5474a4cb46a9b9566fe"><div class="ttname"><a href="strsvsample01_8cpp.html#a840291bc02cba5474a4cb46a9b9566fe">main</a></div><div class="ttdeci">int main(void)</div><div class="ttdef"><b>Definition:</b> <a href="strsvsample01_8cpp_source.html#l00049">strsvsample01.cpp:49</a></div></div>
<div class="ttc" id="aclassbm_1_1str__sparse__vector_html_af28598d355b1c1d02d184c40b48dc695"><div class="ttname"><a href="classbm_1_1str__sparse__vector.html#af28598d355b1c1d02d184c40b48dc695">bm::str_sparse_vector::begin</a></div><div class="ttdeci">const_iterator begin() const BMNOEXCEPT</div><div class="ttdoc">Provide const iterator access to container content</div><div class="ttdef"><b>Definition:</b> <a href="bmstrsparsevec_8h_source.html#l01700">bmstrsparsevec.h:1700</a></div></div>
<div class="ttc" id="aclassbm_1_1bvector_html"><div class="ttname"><a href="classbm_1_1bvector.html">bm::bvector<></a></div></div>
<div class="ttc" id="aclassbm_1_1str__sparse__vector_html_a8c07aff1f17d07156fc65c1d7d7436f5"><div class="ttname"><a href="classbm_1_1str__sparse__vector.html#a8c07aff1f17d07156fc65c1d7d7436f5">bm::str_sparse_vector::size</a></div><div class="ttdeci">size_type size() const</div><div class="ttdoc">return size of the vector</div><div class="ttdef"><b>Definition:</b> <a href="bmstrsparsevec_8h_source.html#l00637">bmstrsparsevec.h:637</a></div></div>
<div class="ttc" id="aclassbm_1_1str__sparse__vector_html"><div class="ttname"><a href="classbm_1_1str__sparse__vector.html">bm::str_sparse_vector</a></div><div class="ttdoc">sparse vector for strings with compression using bit transposition method</div><div class="ttdef"><b>Definition:</b> <a href="bmstrsparsevec_8h_source.html#l00056">bmstrsparsevec.h:56</a></div></div>
<div class="ttc" id="astrsvsample01_8cpp_html_a40e0964f33e14e29a808ca1e6c68c11c"><div class="ttname"><a href="strsvsample01_8cpp.html#a40e0964f33e14e29a808ca1e6c68c11c">str_sv_type</a></div><div class="ttdeci">bm::str_sparse_vector< char, bvector_type, 32 > str_sv_type</div><div class="ttdef"><b>Definition:</b> <a href="strsvsample01_8cpp_source.html#l00047">strsvsample01.cpp:47</a></div></div>
<div class="ttc" id="abmstrsparsevec_8h_html"><div class="ttname"><a href="bmstrsparsevec_8h.html">bmstrsparsevec.h</a></div><div class="ttdoc">string sparse vector based on bit-transposed matrix</div></div>
<div class="ttc" id="aclassbm_1_1str__sparse__vector_html_a71fb51aa01e45b1d796def0353465985"><div class="ttname"><a href="classbm_1_1str__sparse__vector.html#a71fb51aa01e45b1d796def0353465985">bm::str_sparse_vector::end</a></div><div class="ttdeci">const_iterator end() const BMNOEXCEPT</div><div class="ttdoc">Provide const iterator access to the end</div><div class="ttdef"><b>Definition:</b> <a href="bmstrsparsevec_8h_source.html#l00709">bmstrsparsevec.h:709</a></div></div>
<div class="ttc" id="aclassbm_1_1str__sparse__vector_html_a320953c0346da7ba7c87aee6efb42fad"><div class="ttname"><a href="classbm_1_1str__sparse__vector.html#a320953c0346da7ba7c87aee6efb42fad">bm::str_sparse_vector::size_type</a></div><div class="ttdeci">bvector_type::size_type size_type</div><div class="ttdef"><b>Definition:</b> <a href="bmstrsparsevec_8h_source.html#l00063">bmstrsparsevec.h:63</a></div></div>
<div class="ttc" id="aclassbm_1_1str__sparse__vector_1_1const__iterator_html"><div class="ttname"><a href="classbm_1_1str__sparse__vector_1_1const__iterator.html">bm::str_sparse_vector::const_iterator</a></div><div class="ttdoc">Const iterator to do quick traverse of the sparse vector.</div><div class="ttdef"><b>Definition:</b> <a href="bmstrsparsevec_8h_source.html#l00167">bmstrsparsevec.h:167</a></div></div>
<div class="ttc" id="astrsvsample01_8cpp_html_a4ca03dfc387c36e69ea916426572acdc"><div class="ttname"><a href="strsvsample01_8cpp.html#a4ca03dfc387c36e69ea916426572acdc">bvector_type</a></div><div class="ttdeci">bm::bvector bvector_type</div><div class="ttdef"><b>Definition:</b> <a href="strsvsample01_8cpp_source.html#l00039">strsvsample01.cpp:39</a></div></div>
<div class="ttc" id="aclassbm_1_1str__sparse__vector_html_a9be0fe2a9660e3aec2c99eb64c27c2d4"><div class="ttname"><a href="classbm_1_1str__sparse__vector.html#a9be0fe2a9660e3aec2c99eb64c27c2d4">bm::str_sparse_vector::insert</a></div><div class="ttdeci">void insert(size_type idx, const value_type *str)</div><div class="ttdoc">insert the specified element</div><div class="ttdef"><b>Definition:</b> <a href="bmstrsparsevec_8h_source.html#l01169">bmstrsparsevec.h:1169</a></div></div>
<div class="ttc" id="aclassbm_1_1str__sparse__vector_html_a8f463b96e96c49e1b04705600730333f"><div class="ttname"><a href="classbm_1_1str__sparse__vector.html#a8f463b96e96c49e1b04705600730333f">bm::str_sparse_vector::optimize</a></div><div class="ttdeci">void optimize(bm::word_t *temp_block=0, typename bvector_type::optmode opt_mode=bvector_type::opt_compress, typename str_sparse_vector< CharType, BV, MAX_STR_SIZE >::statistics *stat=0)</div><div class="ttdoc">run memory optimization for all vector plains</div><div class="ttdef"><b>Definition:</b> <a href="bmstrsparsevec_8h_source.html#l01323">bmstrsparsevec.h:1323</a></div></div>
<div class="ttc" id="abm_8h_html"><div class="ttname"><a href="bm_8h.html">bm.h</a></div><div class="ttdoc">Compressed bit-vector bvector<> container, set algebraic methods, traversal iterators.</div></div>
<div class="ttc" id="aclassbm_1_1str__sparse__vector_html_aa33c3d85960d5d06528bc89a1e546422"><div class="ttname"><a href="classbm_1_1str__sparse__vector.html#aa33c3d85960d5d06528bc89a1e546422">bm::str_sparse_vector::set</a></div><div class="ttdeci">void set(size_type idx, const value_type *str)</div><div class="ttdoc">set specified element with bounds checking and automatic resize</div><div class="ttdef"><b>Definition:</b> <a href="bmstrsparsevec_8h_source.html#l01158">bmstrsparsevec.h:1158</a></div></div>
<div class="ttc" id="aclassbm_1_1str__sparse__vector_html_af9bab87eacd43957d02477595beffc48"><div class="ttname"><a href="classbm_1_1str__sparse__vector.html#af9bab87eacd43957d02477595beffc48">bm::str_sparse_vector::assign</a></div><div class="ttdeci">void assign(size_type idx, const StrType &str)</div><div class="ttdoc">set specified element with bounds checking and automatic resize</div><div class="ttdef"><b>Definition:</b> <a href="bmstrsparsevec_8h_source.html#l00494">bmstrsparsevec.h:494</a></div></div>
<div class="ttc" id="aclassbm_1_1str__sparse__vector_html_a04b2ddfd458ced7e90804011c71bac6c"><div class="ttname"><a href="classbm_1_1str__sparse__vector.html#a04b2ddfd458ced7e90804011c71bac6c">bm::str_sparse_vector::erase</a></div><div class="ttdeci">void erase(size_type idx)</div><div class="ttdoc">erase the specified element</div><div class="ttdef"><b>Definition:</b> <a href="bmstrsparsevec_8h_source.html#l01185">bmstrsparsevec.h:1185</a></div></div>
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