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<hr><h1>swversion.cpp</h1><div class="fragment"><pre>00001 <font class="preprocessor">#include <swversion.h></font>
00002 <font class="preprocessor">#include <string.h></font>
00003 <font class="preprocessor">#include <stdio.h></font>
00004 <font class="preprocessor">#include <stdlib.h></font>
00005
00006
00007 SWVersion SWVersion::currentVersion(SWORDVER);
00008
00009 <font class="comment">/******************************************************************************</font>
00010 <font class="comment"> * SWVersion c-tor - Constructs a new SWVersion</font>
00011 <font class="comment"> *</font>
00012 <font class="comment"> * ENT: version - const version string</font>
00013 <font class="comment"> */</font>
00014
00015 SWVersion::SWVersion(<font class="keyword">const</font> <font class="keywordtype">char</font> *version) {
00016 <font class="keywordtype">char</font> *buf = <font class="keyword">new</font> <font class="keywordtype">char</font>[ strlen(version) + 1 ];
00017 <font class="keywordtype">char</font> *tok;
00018 major = minor = minor2 = minor3 = -1;
00019
00020 strcpy(buf, version);
00021 tok = strtok(buf, <font class="stringliteral">"."</font>);
00022 <font class="keywordflow">if</font> (tok)
00023 major = atoi(tok);
00024 tok = strtok(0, <font class="stringliteral">"."</font>);
00025 <font class="keywordflow">if</font> (tok)
00026 minor = atoi(tok);
00027 tok = strtok(0, <font class="stringliteral">"."</font>);
00028 <font class="keywordflow">if</font> (tok)
00029 minor2 = atoi(tok);
00030 tok = strtok(0, <font class="stringliteral">"."</font>);
00031 <font class="keywordflow">if</font> (tok)
00032 minor3 = atoi(tok);
00033 <font class="keyword">delete</font> [] buf;
00034 }
00035
00036
00037 <font class="comment">/******************************************************************************</font>
00038 <font class="comment"> * compare - compares this version to another version</font>
00039 <font class="comment"> *</font>
00040 <font class="comment"> * ENT: vi - other version with which to compare</font>
00041 <font class="comment"> *</font>
00042 <font class="comment"> * RET: = 0 if equal;</font>
00043 <font class="comment"> * < 0 if this version is less than other version;</font>
00044 <font class="comment"> * > 0 if this version is greater than other version</font>
00045 <font class="comment"> */</font>
00046
00047 <font class="keywordtype">int</font> SWVersion::compare(<font class="keyword">const</font> SWVersion &vi)<font class="keyword"> const </font>{
00048 <font class="keywordflow">if</font> (major == vi.major)
00049 <font class="keywordflow">if</font> (minor == vi.minor)
00050 <font class="keywordflow">if</font> (minor2 == vi.minor2)
00051 <font class="keywordflow">if</font> (minor3 == vi.minor3)
00052 <font class="keywordflow">return</font> 0;
00053 <font class="keywordflow">else</font> <font class="keywordflow">return</font> minor3 - vi.minor3;
00054 <font class="keywordflow">else</font> <font class="keywordflow">return</font> minor2 - vi.minor2;
00055 <font class="keywordflow">else</font> <font class="keywordflow">return</font> minor - vi.minor;
00056 <font class="keywordflow">else</font> <font class="keywordflow">return</font> major - vi.major;
00057 }
00058
00059
00060 SWVersion::operator const char *()<font class="keyword"> const </font>{
00061
00062 <font class="comment">// 255 is safe because there is no way 4 integers (plus 3 '.'s) can have</font>
00063 <font class="comment">// a string representation that will overrun this buffer</font>
00064 <font class="keyword">static</font> <font class="keywordtype">char</font> buf[255];
00065
00066 <font class="keywordflow">if</font> (minor > -1) {
00067 <font class="keywordflow">if</font> (minor2 > -1) {
00068 <font class="keywordflow">if</font> (minor3 > -1) {
00069 sprintf(buf, <font class="stringliteral">"%d.%d.%d.%d"</font>, major, minor, minor2, minor3);
00070 }
00071 <font class="keywordflow">else</font> sprintf(buf, <font class="stringliteral">"%d.%d.%d"</font>, major, minor, minor2);
00072 }
00073 <font class="keywordflow">else</font> sprintf(buf, <font class="stringliteral">"%d.%d"</font>, major, minor);
00074 }
00075 <font class="keywordflow">else</font> sprintf(buf, <font class="stringliteral">"%d"</font>, major);
00076
00077 <font class="keywordflow">return</font> buf;
00078 }
</pre></div><hr><address align="right"><small>Generated on Thu Jun 20 22:13:00 2002 for The Sword Project by
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