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<h1>/home/koen/project/wt/public-git/wt/examples/gitmodel/Git.C</h1><a href="Git_8C.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment"> * Copyright (C) 2008 Emweb bvba, Kessel-Lo, Belgium.</span>
<a name="l00003"></a>00003 <span class="comment"> *</span>
<a name="l00004"></a>00004 <span class="comment"> * See the LICENSE file for terms of use.</span>
<a name="l00005"></a>00005 <span class="comment"> */</span>
<a name="l00006"></a>00006 <span class="preprocessor">#include "<a class="code" href="Git_8h.html">Git.h</a>"</span>
<a name="l00007"></a>00007
<a name="l00008"></a>00008 <span class="preprocessor">#include <iostream></span>
<a name="l00009"></a>00009 <span class="preprocessor">#include <vector></span>
<a name="l00010"></a>00010 <span class="preprocessor">#include <stdio.h></span>
<a name="l00011"></a>00011
<a name="l00012"></a>00012 <span class="preprocessor">#include <boost/algorithm/string/classification.hpp></span>
<a name="l00013"></a>00013 <span class="preprocessor">#include <boost/algorithm/string/predicate.hpp></span>
<a name="l00014"></a>00014 <span class="preprocessor">#include <boost/algorithm/string/split.hpp></span>
<a name="l00015"></a>00015 <span class="preprocessor">#include <boost/lexical_cast.hpp></span>
<a name="l00016"></a>00016
<a name="l00017"></a>00017 <span class="comment">/*</span>
<a name="l00018"></a>00018 <span class="comment"> * Small utility methods and classes.</span>
<a name="l00019"></a>00019 <span class="comment"> */</span>
<a name="l00020"></a>00020 <span class="keyword">namespace </span>{
<a name="l00021"></a><a class="code" href="Git_8C.html#a00dc9336928ec7bfe30764f57115fcb">00021</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> <a class="code" href="Git_8C.html#a00dc9336928ec7bfe30764f57115fcb">fromHex</a>(<span class="keywordtype">char</span> b)
<a name="l00022"></a>00022 {
<a name="l00023"></a>00023 <span class="keywordflow">if</span> (b <= <span class="charliteral">'9'</span>)
<a name="l00024"></a>00024 <span class="keywordflow">return</span> b - <span class="charliteral">'0'</span>;
<a name="l00025"></a>00025 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (b <= <span class="charliteral">'F'</span>)
<a name="l00026"></a>00026 <span class="keywordflow">return</span> (b - <span class="charliteral">'A'</span>) + 0x0A;
<a name="l00027"></a>00027 <span class="keywordflow">else</span>
<a name="l00028"></a>00028 <span class="keywordflow">return</span> (b - <span class="charliteral">'a'</span>) + 0x0A;
<a name="l00029"></a>00029 }
<a name="l00030"></a>00030
<a name="l00031"></a><a class="code" href="Git_8C.html#c402de2ee1366c0ed5560968d15e8080">00031</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> <a class="code" href="Git_8C.html#a00dc9336928ec7bfe30764f57115fcb">fromHex</a>(<span class="keywordtype">char</span> msb, <span class="keywordtype">char</span> lsb)
<a name="l00032"></a>00032 {
<a name="l00033"></a>00033 <span class="keywordflow">return</span> (<a class="code" href="Git_8C.html#a00dc9336928ec7bfe30764f57115fcb">fromHex</a>(msb) << 4) + <a class="code" href="Git_8C.html#a00dc9336928ec7bfe30764f57115fcb">fromHex</a>(lsb);
<a name="l00034"></a>00034 }
<a name="l00035"></a>00035
<a name="l00036"></a><a class="code" href="Git_8C.html#ceb09d73f06aff4fc63d2a2bfd04640a">00036</a> <span class="keywordtype">char</span> <a class="code" href="Git_8C.html#ceb09d73f06aff4fc63d2a2bfd04640a">toHex</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> b)
<a name="l00037"></a>00037 {
<a name="l00038"></a>00038 <span class="keywordflow">if</span> (b < 0xA)
<a name="l00039"></a>00039 <span class="keywordflow">return</span> <span class="charliteral">'0'</span> + b;
<a name="l00040"></a>00040 <span class="keywordflow">else</span>
<a name="l00041"></a>00041 <span class="keywordflow">return</span> <span class="charliteral">'a'</span> + (b - 0xA);
<a name="l00042"></a>00042 }
<a name="l00043"></a>00043
<a name="l00044"></a><a class="code" href="Git_8C.html#79b9eea0eb91037edb3d524bd7926184">00044</a> <span class="keywordtype">void</span> <a class="code" href="Git_8C.html#ceb09d73f06aff4fc63d2a2bfd04640a">toHex</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> b, <span class="keywordtype">char</span>& msb, <span class="keywordtype">char</span>& lsb)
<a name="l00045"></a>00045 {
<a name="l00046"></a>00046 lsb = <a class="code" href="Git_8C.html#ceb09d73f06aff4fc63d2a2bfd04640a">toHex</a>(b & 0x0F);
<a name="l00047"></a>00047 msb = <a class="code" href="Git_8C.html#ceb09d73f06aff4fc63d2a2bfd04640a">toHex</a>(b >> 4);
<a name="l00048"></a>00048 }
<a name="l00049"></a>00049
<a name="l00050"></a>00050 <span class="comment">/*</span>
<a name="l00051"></a>00051 <span class="comment"> * Run a command and capture its stdout into a string.</span>
<a name="l00052"></a>00052 <span class="comment"> * Uses and maintains a cache.</span>
<a name="l00053"></a>00053 <span class="comment"> */</span>
<a name="l00054"></a>00054 <span class="keyword">class </span>POpenWrapper
<a name="l00055"></a>00055 {
<a name="l00056"></a>00056 <span class="keyword">public</span>:
<a name="l00057"></a>00057 POpenWrapper(<span class="keyword">const</span> std::string& s, <a class="code" href="classGit.html#23da7b806839f7a482935a44142b04c9">Git::Cache</a>& cache) {
<a name="l00058"></a>00058 <span class="keywordtype">bool</span> cached = <span class="keyword">false</span>;
<a name="l00059"></a>00059
<a name="l00060"></a>00060 <span class="keywordflow">for</span> (Git::Cache::iterator i = cache.begin(); i != cache.end(); ++i)
<a name="l00061"></a>00061 <span class="keywordflow">if</span> (i->first == s) {
<a name="l00062"></a>00062 <a class="code" href="Git_8C.html#f05c0ba4f0f8862fb4e0795c225612ce">content_</a> = i->second;
<a name="l00063"></a>00063 <a class="code" href="Git_8C.html#4e5382d012c9ba1cb1a63585e7722b98">status_</a> = 0;
<a name="l00064"></a>00064 cached = <span class="keyword">true</span>;
<a name="l00065"></a>00065 cache.splice(cache.begin(), cache, i); <span class="comment">// implement LRU</span>
<a name="l00066"></a>00066 <span class="keywordflow">break</span>;
<a name="l00067"></a>00067 }
<a name="l00068"></a>00068
<a name="l00069"></a>00069 <span class="keywordflow">if</span> (!cached) {
<a name="l00070"></a>00070 std::cerr << s << std::endl;
<a name="l00071"></a>00071 FILE *stream = popen((s + <span class="stringliteral">" 2>&1"</span>).c_str(), <span class="stringliteral">"r"</span>);
<a name="l00072"></a>00072 <span class="keywordflow">if</span> (!stream)
<a name="l00073"></a>00073 <span class="keywordflow">throw</span> <a class="code" href="classGit_1_1Exception.html" title="Exception class.">Git::Exception</a>(<span class="stringliteral">"Git: could not execute: '"</span> + s + <span class="stringliteral">"'"</span>);
<a name="l00074"></a>00074
<a name="l00075"></a>00075 <span class="keywordtype">int</span> n = 0;
<a name="l00076"></a>00076 <span class="keywordflow">do</span> {
<a name="l00077"></a>00077 <span class="keywordtype">char</span> buffer[32000];
<a name="l00078"></a>00078 n = fread(buffer, 1, 30000, stream);
<a name="l00079"></a>00079 buffer[n] = 0;
<a name="l00080"></a>00080 <a class="code" href="Git_8C.html#f05c0ba4f0f8862fb4e0795c225612ce">content_</a> += std::string(buffer, n);
<a name="l00081"></a>00081 } <span class="keywordflow">while</span> (n);
<a name="l00082"></a>00082
<a name="l00083"></a>00083 <a class="code" href="Git_8C.html#4e5382d012c9ba1cb1a63585e7722b98">status_</a> = pclose(stream);
<a name="l00084"></a>00084
<a name="l00085"></a>00085 <span class="keywordflow">if</span> (<a class="code" href="Git_8C.html#4e5382d012c9ba1cb1a63585e7722b98">status_</a> == 0) {
<a name="l00086"></a>00086 cache.pop_back(); <span class="comment">// implement LRU</span>
<a name="l00087"></a>00087 cache.push_front(std::make_pair(s, <a class="code" href="Git_8C.html#f05c0ba4f0f8862fb4e0795c225612ce">content_</a>));
<a name="l00088"></a>00088 }
<a name="l00089"></a>00089 }
<a name="l00090"></a>00090
<a name="l00091"></a>00091 <a class="code" href="Git_8C.html#ec83558c9a73446651a9421f325c68e9">idx_</a> = 0;
<a name="l00092"></a>00092 }
<a name="l00093"></a>00093
<a name="l00094"></a>00094 std::string& readLine(std::string& r, <span class="keywordtype">bool</span> stripWhite = <span class="keyword">true</span>) {
<a name="l00095"></a>00095 r.clear();
<a name="l00096"></a>00096
<a name="l00097"></a>00097 <span class="keywordflow">while</span> (stripWhite
<a name="l00098"></a>00098 && (<a class="code" href="Git_8C.html#ec83558c9a73446651a9421f325c68e9">idx_</a> < <a class="code" href="Git_8C.html#f05c0ba4f0f8862fb4e0795c225612ce">content_</a>.length()) && isspace(<a class="code" href="Git_8C.html#f05c0ba4f0f8862fb4e0795c225612ce">content_</a>[<a class="code" href="Git_8C.html#ec83558c9a73446651a9421f325c68e9">idx_</a>]))
<a name="l00099"></a>00099 ++idx_;
<a name="l00100"></a>00100
<a name="l00101"></a>00101 <span class="keywordflow">while</span> (idx_ < <a class="code" href="Git_8C.html#f05c0ba4f0f8862fb4e0795c225612ce">content_</a>.size() && <a class="code" href="Git_8C.html#f05c0ba4f0f8862fb4e0795c225612ce">content_</a>[idx_] != <span class="charliteral">'\n'</span>) {
<a name="l00102"></a>00102 r += <a class="code" href="Git_8C.html#f05c0ba4f0f8862fb4e0795c225612ce">content_</a>[idx_];
<a name="l00103"></a>00103 ++idx_;
<a name="l00104"></a>00104 }
<a name="l00105"></a>00105
<a name="l00106"></a>00106 <span class="keywordflow">if</span> (idx_ < <a class="code" href="Git_8C.html#f05c0ba4f0f8862fb4e0795c225612ce">content_</a>.size())
<a name="l00107"></a>00107 ++idx_;
<a name="l00108"></a>00108
<a name="l00109"></a>00109 <span class="keywordflow">return</span> r;
<a name="l00110"></a>00110 }
<a name="l00111"></a>00111
<a name="l00112"></a>00112 <span class="keyword">const</span> std::string& contents()<span class="keyword"> const </span>{
<a name="l00113"></a>00113 <span class="keywordflow">return</span> <a class="code" href="Git_8C.html#f05c0ba4f0f8862fb4e0795c225612ce">content_</a>;
<a name="l00114"></a>00114 }
<a name="l00115"></a>00115
<a name="l00116"></a>00116 <span class="keywordtype">bool</span> finished()<span class="keyword"> const </span>{
<a name="l00117"></a>00117 <span class="keywordflow">return</span> idx_ == <a class="code" href="Git_8C.html#f05c0ba4f0f8862fb4e0795c225612ce">content_</a>.size();
<a name="l00118"></a>00118 }
<a name="l00119"></a>00119
<a name="l00120"></a>00120 <span class="keywordtype">int</span> exitStatus()<span class="keyword"> const </span>{
<a name="l00121"></a>00121 <span class="keywordflow">return</span> <a class="code" href="Git_8C.html#4e5382d012c9ba1cb1a63585e7722b98">status_</a>;
<a name="l00122"></a>00122 }
<a name="l00123"></a>00123
<a name="l00124"></a>00124 <span class="keyword">private</span>:
<a name="l00125"></a><a class="code" href="Git_8C.html#f05c0ba4f0f8862fb4e0795c225612ce">00125</a> std::string <a class="code" href="Git_8C.html#f05c0ba4f0f8862fb4e0795c225612ce">content_</a>;
<a name="l00126"></a><a class="code" href="Git_8C.html#ec83558c9a73446651a9421f325c68e9">00126</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> idx_;
<a name="l00127"></a><a class="code" href="Git_8C.html#4e5382d012c9ba1cb1a63585e7722b98">00127</a> <span class="keywordtype">int</span> <a class="code" href="Git_8C.html#4e5382d012c9ba1cb1a63585e7722b98">status_</a>;
<a name="l00128"></a>00128 };
<a name="l00129"></a>00129 }
<a name="l00130"></a>00130
<a name="l00131"></a>00131 <span class="comment">/*</span>
<a name="l00132"></a>00132 <span class="comment"> * About the git files:</span>
<a name="l00133"></a>00133 <span class="comment"> * type="commit":</span>
<a name="l00134"></a>00134 <span class="comment"> * - of a reference, like the SHA1 ID obtained from git-rev-parse of a</span>
<a name="l00135"></a>00135 <span class="comment"> * particular revision</span>
<a name="l00136"></a>00136 <span class="comment"> * - contains the SHA1 ID of the tree</span>
<a name="l00137"></a>00137 <span class="comment"> *</span>
<a name="l00138"></a>00138 <span class="comment"> * type="tree":</span>
<a name="l00139"></a>00139 <span class="comment"> * 100644 blob 0732f5e4def48d6d5b556fbad005adc994af1e0b CMakeLists.txt</span>
<a name="l00140"></a>00140 <span class="comment"> * 040000 tree 037d59672d37e116f6e0013a067a7ce1f8760b7c Wt</span>
<a name="l00141"></a>00141 <span class="comment"> * <mode> SP <type> SP <object> TAB <file></span>
<a name="l00142"></a>00142 <span class="comment"> *</span>
<a name="l00143"></a>00143 <span class="comment"> * type="blob": contents of a file</span>
<a name="l00144"></a>00144 <span class="comment"> */</span>
<a name="l00145"></a>00145
<a name="l00146"></a><a class="code" href="classGit_1_1Exception.html#5b69585257b84ccd6963468086b224d3">00146</a> <a class="code" href="classGit_1_1Exception.html#5b69585257b84ccd6963468086b224d3" title="Constructor.">Git::Exception::Exception</a>(<span class="keyword">const</span> std::string& msg)
<a name="l00147"></a>00147 : std::runtime_error(msg)
<a name="l00148"></a>00148 { }
<a name="l00149"></a>00149
<a name="l00150"></a><a class="code" href="classGit_1_1ObjectId.html#a39a26854b93e2a817e85fb5ae1ac001">00150</a> <a class="code" href="classGit_1_1ObjectId.html#a39a26854b93e2a817e85fb5ae1ac001" title="Default constructor.">Git::ObjectId::ObjectId</a>()
<a name="l00151"></a>00151 { }
<a name="l00152"></a>00152
<a name="l00153"></a><a class="code" href="classGit_1_1ObjectId.html#f52692495bb6c6fd30318e44fbf4de87">00153</a> <a class="code" href="classGit_1_1ObjectId.html#a39a26854b93e2a817e85fb5ae1ac001" title="Default constructor.">Git::ObjectId::ObjectId</a>(<span class="keyword">const</span> std::string& <span class="keywordtype">id</span>)
<a name="l00154"></a>00154 {
<a name="l00155"></a>00155 <span class="keywordflow">if</span> (<span class="keywordtype">id</span>.length() != 40)
<a name="l00156"></a>00156 <span class="keywordflow">throw</span> <a class="code" href="classGit_1_1Exception.html" title="Exception class.">Git::Exception</a>(<span class="stringliteral">"Git: not a valid SHA1 id: "</span> + <span class="keywordtype">id</span>);
<a name="l00157"></a>00157
<a name="l00158"></a>00158 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < 20; ++i)
<a name="l00159"></a>00159 (*<span class="keyword">this</span>)[i] = <a class="code" href="Git_8C.html#a00dc9336928ec7bfe30764f57115fcb">fromHex</a>(<span class="keywordtype">id</span>[2 * i], <span class="keywordtype">id</span>[2 * i + 1]);
<a name="l00160"></a>00160 }
<a name="l00161"></a>00161
<a name="l00162"></a><a class="code" href="classGit_1_1ObjectId.html#02cf06424f8a867197e28a4163cf8bd0">00162</a> std::string <a class="code" href="classGit_1_1ObjectId.html#02cf06424f8a867197e28a4163cf8bd0" title="Print as a 40-digit hexadecimal number.">Git::ObjectId::toString</a>()<span class="keyword"> const</span>
<a name="l00163"></a>00163 <span class="keyword"></span>{
<a name="l00164"></a>00164 std::string result(40, <span class="charliteral">'-'</span>);
<a name="l00165"></a>00165
<a name="l00166"></a>00166 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < 20; ++i)
<a name="l00167"></a>00167 <a class="code" href="Git_8C.html#ceb09d73f06aff4fc63d2a2bfd04640a">toHex</a>((*<span class="keyword">this</span>)[i], result[2 * i], result[2 * i + 1]);
<a name="l00168"></a>00168
<a name="l00169"></a>00169 <span class="keywordflow">return</span> result;
<a name="l00170"></a>00170 }
<a name="l00171"></a>00171
<a name="l00172"></a><a class="code" href="structGit_1_1Object.html#1b554a7bec6c5b475324c0bb129875c0">00172</a> <a class="code" href="structGit_1_1Object.html#1b554a7bec6c5b475324c0bb129875c0">Git::Object::Object</a>(<span class="keyword">const</span> <a class="code" href="classGit_1_1ObjectId.html" title="Git object Id.">ObjectId</a>& anId, <a class="code" href="classGit.html#b282f46c36a47ddff9bc7be7c993041a" title="Git object type.">ObjectType</a> aType)
<a name="l00173"></a>00173 : id(anId),
<a name="l00174"></a>00174 type(aType)
<a name="l00175"></a>00175 { }
<a name="l00176"></a>00176
<a name="l00177"></a><a class="code" href="classGit.html#fdc93b8c52e55a1977c9333d71561cd5">00177</a> <a class="code" href="classGit.html#fdc93b8c52e55a1977c9333d71561cd5" title="Constructor.">Git::Git</a>()
<a name="l00178"></a>00178 : <a class="code" href="classGit.html#0097b8efc1e8530cc11133622684e9ef" title="A small LRU cache that stores results of git commands.">cache_</a>(3) <span class="comment">// cache of 3 git results</span>
<a name="l00179"></a>00179 { }
<a name="l00180"></a>00180
<a name="l00181"></a><a class="code" href="classGit.html#b21f8d442557b07321a274b5e976f1ac">00181</a> <span class="keywordtype">void</span> <a class="code" href="classGit.html#b21f8d442557b07321a274b5e976f1ac" title="Set the git repository path.">Git::setRepositoryPath</a>(<span class="keyword">const</span> std::string& repositoryPath)
<a name="l00182"></a>00182 {
<a name="l00183"></a>00183 <a class="code" href="classGit.html#5f478cb0fb21487e60f87b93d4277440" title="The path to the repository.">repository_</a> = repositoryPath;
<a name="l00184"></a>00184 <a class="code" href="classGit.html#04766dfcc9edcae7c12e6ff373176c7c" title="Checks the repository.">checkRepository</a>();
<a name="l00185"></a>00185 }
<a name="l00186"></a>00186
<a name="l00187"></a><a class="code" href="classGit.html#521bba51875ea14c9e39a14fcde01e04">00187</a> <a class="code" href="classGit_1_1ObjectId.html" title="Git object Id.">Git::ObjectId</a> <a class="code" href="classGit.html#521bba51875ea14c9e39a14fcde01e04" title="Get the tree for a particular revision.">Git::getCommitTree</a>(<span class="keyword">const</span> std::string& revision)<span class="keyword"> const</span>
<a name="l00188"></a>00188 <span class="keyword"></span>{
<a name="l00189"></a>00189 <a class="code" href="classGit_1_1ObjectId.html" title="Git object Id.">Git::ObjectId</a> commit = <a class="code" href="classGit.html#b432b071c7d22343a7ac136c35230251" title="Get the commit for a particular revision.">getCommit</a>(revision);
<a name="l00190"></a>00190 <span class="keywordflow">return</span> <a class="code" href="classGit.html#62bf9de2511aeb8e036a339ec8be8423" title="Get the tree for a particular commit.">getTreeFromCommit</a>(commit);
<a name="l00191"></a>00191 }
<a name="l00192"></a>00192
<a name="l00193"></a><a class="code" href="classGit.html#cf2d699d9f9bdfb42afb0f61e85b2f88">00193</a> std::string <a class="code" href="classGit.html#cf2d699d9f9bdfb42afb0f61e85b2f88" title="Return the raw contents of a git object.">Git::catFile</a>(<span class="keyword">const</span> <a class="code" href="classGit_1_1ObjectId.html" title="Git object Id.">ObjectId</a>& <span class="keywordtype">id</span>)<span class="keyword"> const</span>
<a name="l00194"></a>00194 <span class="keyword"></span>{
<a name="l00195"></a>00195 std::string result;
<a name="l00196"></a>00196
<a name="l00197"></a>00197 <span class="keywordflow">if</span> (!<a class="code" href="classGit.html#3dccd1727396de007ec5b43e96930a1b" title="Returns a line identified by a tag from the output of a git command.">getCmdResult</a>(<span class="stringliteral">"cat-file -p "</span> + <span class="keywordtype">id</span>.toString(), result, -1))
<a name="l00198"></a>00198 <span class="keywordflow">throw</span> <a class="code" href="classGit_1_1Exception.html" title="Exception class.">Exception</a>(<span class="stringliteral">"Git: could not cat '"</span> + <span class="keywordtype">id</span>.toString() + <span class="stringliteral">"'"</span>);
<a name="l00199"></a>00199
<a name="l00200"></a>00200 <span class="keywordflow">return</span> result;
<a name="l00201"></a>00201 }
<a name="l00202"></a>00202
<a name="l00203"></a><a class="code" href="classGit.html#b432b071c7d22343a7ac136c35230251">00203</a> <a class="code" href="classGit_1_1ObjectId.html" title="Git object Id.">Git::ObjectId</a> <a class="code" href="classGit.html#b432b071c7d22343a7ac136c35230251" title="Get the commit for a particular revision.">Git::getCommit</a>(<span class="keyword">const</span> std::string& revision)<span class="keyword"> const</span>
<a name="l00204"></a>00204 <span class="keyword"></span>{
<a name="l00205"></a>00205 std::string sha1Commit;
<a name="l00206"></a>00206 <a class="code" href="classGit.html#3dccd1727396de007ec5b43e96930a1b" title="Returns a line identified by a tag from the output of a git command.">getCmdResult</a>(<span class="stringliteral">"rev-parse "</span> + revision, sha1Commit, 0);
<a name="l00207"></a>00207 <span class="keywordflow">return</span> <a class="code" href="classGit_1_1ObjectId.html" title="Git object Id.">ObjectId</a>(sha1Commit);
<a name="l00208"></a>00208 }
<a name="l00209"></a>00209
<a name="l00210"></a><a class="code" href="classGit.html#62bf9de2511aeb8e036a339ec8be8423">00210</a> <a class="code" href="classGit_1_1ObjectId.html" title="Git object Id.">Git::ObjectId</a> <a class="code" href="classGit.html#62bf9de2511aeb8e036a339ec8be8423" title="Get the tree for a particular commit.">Git::getTreeFromCommit</a>(<span class="keyword">const</span> <a class="code" href="classGit_1_1ObjectId.html" title="Git object Id.">ObjectId</a>& commit)<span class="keyword"> const</span>
<a name="l00211"></a>00211 <span class="keyword"></span>{
<a name="l00212"></a>00212 std::string treeLine;
<a name="l00213"></a>00213 <span class="keywordflow">if</span> (!<a class="code" href="classGit.html#3dccd1727396de007ec5b43e96930a1b" title="Returns a line identified by a tag from the output of a git command.">getCmdResult</a>(<span class="stringliteral">"cat-file -p "</span> + commit.<a class="code" href="classGit_1_1ObjectId.html#02cf06424f8a867197e28a4163cf8bd0" title="Print as a 40-digit hexadecimal number.">toString</a>(), treeLine, <span class="stringliteral">"tree"</span>))
<a name="l00214"></a>00214 <span class="keywordflow">throw</span> <a class="code" href="classGit_1_1Exception.html" title="Exception class.">Exception</a>(<span class="stringliteral">"Git: could not parse tree from commit '"</span>
<a name="l00215"></a>00215 + commit.<a class="code" href="classGit_1_1ObjectId.html#02cf06424f8a867197e28a4163cf8bd0" title="Print as a 40-digit hexadecimal number.">toString</a>() + <span class="stringliteral">"'"</span>);
<a name="l00216"></a>00216
<a name="l00217"></a>00217 std::vector<std::string> v;
<a name="l00218"></a>00218 boost::split(v, treeLine, boost::is_any_of(<span class="stringliteral">" "</span>));
<a name="l00219"></a>00219 <span class="keywordflow">if</span> (v.size() != 2)
<a name="l00220"></a>00220 <span class="keywordflow">throw</span> <a class="code" href="classGit_1_1Exception.html" title="Exception class.">Exception</a>(<span class="stringliteral">"Git: could not parse tree from commit '"</span>
<a name="l00221"></a>00221 + commit.<a class="code" href="classGit_1_1ObjectId.html#02cf06424f8a867197e28a4163cf8bd0" title="Print as a 40-digit hexadecimal number.">toString</a>() + <span class="stringliteral">"': '"</span> + treeLine + <span class="stringliteral">"'"</span>);
<a name="l00222"></a>00222 <span class="keywordflow">return</span> <a class="code" href="classGit_1_1ObjectId.html" title="Git object Id.">ObjectId</a>(v[1]);
<a name="l00223"></a>00223 }
<a name="l00224"></a>00224
<a name="l00225"></a><a class="code" href="classGit.html#910f3a6123b494897cdedf7ba4ef648b">00225</a> <a class="code" href="structGit_1_1Object.html" title="Git object.">Git::Object</a> <a class="code" href="classGit.html#910f3a6123b494897cdedf7ba4ef648b" title="Get some info on a tree object.">Git::treeGetObject</a>(<span class="keyword">const</span> <a class="code" href="classGit_1_1ObjectId.html" title="Git object Id.">ObjectId</a>& tree, <span class="keywordtype">int</span> index)<span class="keyword"> const</span>
<a name="l00226"></a>00226 <span class="keyword"></span>{
<a name="l00227"></a>00227 std::string objectLine;
<a name="l00228"></a>00228 <span class="keywordflow">if</span> (!<a class="code" href="classGit.html#3dccd1727396de007ec5b43e96930a1b" title="Returns a line identified by a tag from the output of a git command.">getCmdResult</a>(<span class="stringliteral">"cat-file -p "</span> + tree.<a class="code" href="classGit_1_1ObjectId.html#02cf06424f8a867197e28a4163cf8bd0" title="Print as a 40-digit hexadecimal number.">toString</a>(), objectLine, index))
<a name="l00229"></a>00229 <span class="keywordflow">throw</span> <a class="code" href="classGit_1_1Exception.html" title="Exception class.">Exception</a>(<span class="stringliteral">"Git: could not read object %"</span>
<a name="l00230"></a>00230 + boost::lexical_cast<std::string>(index)
<a name="l00231"></a>00231 + <span class="stringliteral">" from tree "</span> + tree.<a class="code" href="classGit_1_1ObjectId.html#02cf06424f8a867197e28a4163cf8bd0" title="Print as a 40-digit hexadecimal number.">toString</a>());
<a name="l00232"></a>00232 <span class="keywordflow">else</span> {
<a name="l00233"></a>00233 std::vector<std::string> v1, v2;
<a name="l00234"></a>00234 boost::split(v1, objectLine, boost::is_any_of(<span class="stringliteral">"\t"</span>));
<a name="l00235"></a>00235 <span class="keywordflow">if</span> (v1.size() != 2)
<a name="l00236"></a>00236 <span class="keywordflow">throw</span> <a class="code" href="classGit_1_1Exception.html" title="Exception class.">Exception</a>(<span class="stringliteral">"Git: could not parse tree object line: '"</span>
<a name="l00237"></a>00237 + objectLine + <span class="stringliteral">"'"</span>);
<a name="l00238"></a>00238 boost::split(v2, v1[0], boost::is_any_of(<span class="stringliteral">" "</span>));
<a name="l00239"></a>00239 <span class="keywordflow">if</span> (v2.size() != 3)
<a name="l00240"></a>00240 <span class="keywordflow">throw</span> <a class="code" href="classGit_1_1Exception.html" title="Exception class.">Exception</a>(<span class="stringliteral">"Git: could not parse tree object line: '"</span>
<a name="l00241"></a>00241 + objectLine + <span class="stringliteral">"'"</span>);
<a name="l00242"></a>00242
<a name="l00243"></a>00243 <span class="keyword">const</span> std::string& stype = v2[1];
<a name="l00244"></a>00244 <a class="code" href="classGit.html#b282f46c36a47ddff9bc7be7c993041a" title="Git object type.">ObjectType</a> type;
<a name="l00245"></a>00245 <span class="keywordflow">if</span> (stype == <span class="stringliteral">"tree"</span>)
<a name="l00246"></a>00246 type = <a class="code" href="classGit.html#b282f46c36a47ddff9bc7be7c993041ae94d3a7ff6594f6b3b0dc121fbd01564">Tree</a>;
<a name="l00247"></a>00247 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (stype == <span class="stringliteral">"blob"</span>)
<a name="l00248"></a>00248 type = <a class="code" href="classGit.html#b282f46c36a47ddff9bc7be7c993041a64c3a7b641cdc0cb2c4203fc0bef1a4a">Blob</a>;
<a name="l00249"></a>00249 <span class="keywordflow">else</span>
<a name="l00250"></a>00250 <span class="keywordflow">throw</span> <a class="code" href="classGit_1_1Exception.html" title="Exception class.">Exception</a>(<span class="stringliteral">"Git: Unknown type: "</span> + stype);
<a name="l00251"></a>00251
<a name="l00252"></a>00252 <a class="code" href="structGit_1_1Object.html" title="Git object.">Git::Object</a> result(<a class="code" href="classGit_1_1ObjectId.html" title="Git object Id.">ObjectId</a>(v2[2]), type);
<a name="l00253"></a>00253 result.<a class="code" href="structGit_1_1Object.html#db8686852d572aef8cdb80291e2f81ca">name</a> = v1[1];
<a name="l00254"></a>00254
<a name="l00255"></a>00255 <span class="keywordflow">return</span> result;
<a name="l00256"></a>00256 }
<a name="l00257"></a>00257 }
<a name="l00258"></a>00258
<a name="l00259"></a><a class="code" href="classGit.html#be86381afbbab0adb0680ae268752f1f">00259</a> <span class="keywordtype">int</span> <a class="code" href="classGit.html#be86381afbbab0adb0680ae268752f1f" title="Return the number of objects inside a tree object.">Git::treeSize</a>(<span class="keyword">const</span> <a class="code" href="classGit_1_1ObjectId.html" title="Git object Id.">ObjectId</a>& tree)<span class="keyword"> const</span>
<a name="l00260"></a>00260 <span class="keyword"></span>{
<a name="l00261"></a>00261 <span class="keywordflow">return</span> <a class="code" href="classGit.html#451e493481c2b397497107a6e60a6360" title="Returns the number of lines in the output of a git command.">getCmdResultLineCount</a>(<span class="stringliteral">"cat-file -p "</span> + tree.<a class="code" href="classGit_1_1ObjectId.html#02cf06424f8a867197e28a4163cf8bd0" title="Print as a 40-digit hexadecimal number.">toString</a>());
<a name="l00262"></a>00262 }
<a name="l00263"></a>00263
<a name="l00264"></a><a class="code" href="classGit.html#5c0f41b8540cae5aef55343dcbbbf8b6">00264</a> <span class="keywordtype">bool</span> <a class="code" href="classGit.html#3dccd1727396de007ec5b43e96930a1b" title="Returns a line identified by a tag from the output of a git command.">Git::getCmdResult</a>(<span class="keyword">const</span> std::string& gitCmd, std::string& result,
<a name="l00265"></a>00265 <span class="keywordtype">int</span> index)<span class="keyword"> const</span>
<a name="l00266"></a>00266 <span class="keyword"></span>{
<a name="l00267"></a>00267 POpenWrapper p(<span class="stringliteral">"git --git-dir="</span> + <a class="code" href="classGit.html#5f478cb0fb21487e60f87b93d4277440" title="The path to the repository.">repository_</a> + <span class="stringliteral">" "</span> + gitCmd, <a class="code" href="classGit.html#0097b8efc1e8530cc11133622684e9ef" title="A small LRU cache that stores results of git commands.">cache_</a>);
<a name="l00268"></a>00268
<a name="l00269"></a>00269 <span class="keywordflow">if</span> (p.exitStatus() != 0)
<a name="l00270"></a>00270 <span class="keywordflow">throw</span> <a class="code" href="classGit_1_1Exception.html" title="Exception class.">Exception</a>(<span class="stringliteral">"Git error: "</span> + p.readLine(result));
<a name="l00271"></a>00271
<a name="l00272"></a>00272 <span class="keywordflow">if</span> (index == -1) {
<a name="l00273"></a>00273 result = p.contents();
<a name="l00274"></a>00274 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00275"></a>00275 } <span class="keywordflow">else</span>
<a name="l00276"></a>00276 p.readLine(result);
<a name="l00277"></a>00277
<a name="l00278"></a>00278 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < index; ++i) {
<a name="l00279"></a>00279 <span class="keywordflow">if</span> (p.finished())
<a name="l00280"></a>00280 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00281"></a>00281 p.readLine(result);
<a name="l00282"></a>00282 }
<a name="l00283"></a>00283
<a name="l00284"></a>00284 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00285"></a>00285 }
<a name="l00286"></a>00286
<a name="l00287"></a><a class="code" href="classGit.html#3dccd1727396de007ec5b43e96930a1b">00287</a> <span class="keywordtype">bool</span> <a class="code" href="classGit.html#3dccd1727396de007ec5b43e96930a1b" title="Returns a line identified by a tag from the output of a git command.">Git::getCmdResult</a>(<span class="keyword">const</span> std::string& gitCmd, std::string& result,
<a name="l00288"></a>00288 <span class="keyword">const</span> std::string& tag)<span class="keyword"> const</span>
<a name="l00289"></a>00289 <span class="keyword"></span>{
<a name="l00290"></a>00290 POpenWrapper p(<span class="stringliteral">"git --git-dir="</span> + <a class="code" href="classGit.html#5f478cb0fb21487e60f87b93d4277440" title="The path to the repository.">repository_</a> + <span class="stringliteral">" "</span> + gitCmd, <a class="code" href="classGit.html#0097b8efc1e8530cc11133622684e9ef" title="A small LRU cache that stores results of git commands.">cache_</a>);
<a name="l00291"></a>00291
<a name="l00292"></a>00292 <span class="keywordflow">if</span> (p.exitStatus() != 0)
<a name="l00293"></a>00293 <span class="keywordflow">throw</span> <a class="code" href="classGit_1_1Exception.html" title="Exception class.">Exception</a>(<span class="stringliteral">"Git error: "</span> + p.readLine(result));
<a name="l00294"></a>00294
<a name="l00295"></a>00295 <span class="keywordflow">while</span> (!p.finished()) {
<a name="l00296"></a>00296 p.readLine(result);
<a name="l00297"></a>00297 <span class="keywordflow">if</span> (boost::starts_with(result, tag))
<a name="l00298"></a>00298 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00299"></a>00299 }
<a name="l00300"></a>00300
<a name="l00301"></a>00301 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00302"></a>00302 }
<a name="l00303"></a>00303
<a name="l00304"></a><a class="code" href="classGit.html#451e493481c2b397497107a6e60a6360">00304</a> <span class="keywordtype">int</span> <a class="code" href="classGit.html#451e493481c2b397497107a6e60a6360" title="Returns the number of lines in the output of a git command.">Git::getCmdResultLineCount</a>(<span class="keyword">const</span> std::string& gitCmd)<span class="keyword"> const</span>
<a name="l00305"></a>00305 <span class="keyword"></span>{
<a name="l00306"></a>00306 POpenWrapper p(<span class="stringliteral">"git --git-dir="</span> + <a class="code" href="classGit.html#5f478cb0fb21487e60f87b93d4277440" title="The path to the repository.">repository_</a> + <span class="stringliteral">" "</span> + gitCmd, <a class="code" href="classGit.html#0097b8efc1e8530cc11133622684e9ef" title="A small LRU cache that stores results of git commands.">cache_</a>);
<a name="l00307"></a>00307
<a name="l00308"></a>00308 std::string r;
<a name="l00309"></a>00309
<a name="l00310"></a>00310 <span class="keywordflow">if</span> (p.exitStatus() != 0)
<a name="l00311"></a>00311 <span class="keywordflow">throw</span> <a class="code" href="classGit_1_1Exception.html" title="Exception class.">Exception</a>(<span class="stringliteral">"Git error: "</span> + p.readLine(r));
<a name="l00312"></a>00312
<a name="l00313"></a>00313 <span class="keywordtype">int</span> result = 0;
<a name="l00314"></a>00314 <span class="keywordflow">while</span> (!p.finished()) {
<a name="l00315"></a>00315 p.readLine(r);
<a name="l00316"></a>00316 ++result;
<a name="l00317"></a>00317 }
<a name="l00318"></a>00318
<a name="l00319"></a>00319 <span class="keywordflow">return</span> result;
<a name="l00320"></a>00320 }
<a name="l00321"></a>00321
<a name="l00322"></a><a class="code" href="classGit.html#04766dfcc9edcae7c12e6ff373176c7c">00322</a> <span class="keywordtype">void</span> <a class="code" href="classGit.html#04766dfcc9edcae7c12e6ff373176c7c" title="Checks the repository.">Git::checkRepository</a>()<span class="keyword"> const</span>
<a name="l00323"></a>00323 <span class="keyword"></span>{
<a name="l00324"></a>00324 POpenWrapper p(<span class="stringliteral">"git --git-dir="</span> + <a class="code" href="classGit.html#5f478cb0fb21487e60f87b93d4277440" title="The path to the repository.">repository_</a> + <span class="stringliteral">" branch"</span>, <a class="code" href="classGit.html#0097b8efc1e8530cc11133622684e9ef" title="A small LRU cache that stores results of git commands.">cache_</a>);
<a name="l00325"></a>00325
<a name="l00326"></a>00326 std::string r;
<a name="l00327"></a>00327 <span class="keywordflow">if</span> (p.exitStatus() != 0)
<a name="l00328"></a>00328 <span class="keywordflow">throw</span> <a class="code" href="classGit_1_1Exception.html" title="Exception class.">Exception</a>(<span class="stringliteral">"Git error: "</span> + p.readLine(r));
<a name="l00329"></a>00329 }
</pre></div></div>
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