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<hr><h1>swconfig.cpp</h1><div class="fragment"><pre>00001 <font class="comment">/******************************************************************************</font>
00002 <font class="comment"> * swconfig.cpp - implementation of Class SWConfig used for saving and</font>
00003 <font class="comment"> * retrieval of configuration information</font>
00004 <font class="comment"> *</font>
00005 <font class="comment"> * $Id: swconfig_8cpp-source.html,v 1.3 2002/06/20 20:23:10 mgruner Exp $</font>
00006 <font class="comment"> *</font>
00007 <font class="comment"> * Copyright 1998 CrossWire Bible Society (http://www.crosswire.org)</font>
00008 <font class="comment"> * CrossWire Bible Society</font>
00009 <font class="comment"> * P. O. Box 2528</font>
00010 <font class="comment"> * Tempe, AZ 85280-2528</font>
00011 <font class="comment"> *</font>
00012 <font class="comment"> * This program is free software; you can redistribute it and/or modify it</font>
00013 <font class="comment"> * under the terms of the GNU General Public License as published by the</font>
00014 <font class="comment"> * Free Software Foundation version 2.</font>
00015 <font class="comment"> *</font>
00016 <font class="comment"> * This program is distributed in the hope that it will be useful, but</font>
00017 <font class="comment"> * WITHOUT ANY WARRANTY; without even the implied warranty of</font>
00018 <font class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</font>
00019 <font class="comment"> * General Public License for more details.</font>
00020 <font class="comment"> *</font>
00021 <font class="comment"> */</font>
00022
00023 <font class="preprocessor">#include <swconfig.h></font>
00024 <font class="preprocessor">#include <utilfuns.h></font>
00025
00026
<a name="l00027"></a><a class="code" href="class_s_w_config.html#a0">00027</a> <a class="code" href="class_s_w_config.html#a0">SWConfig::SWConfig</a>(<font class="keyword">const</font> <font class="keywordtype">char</font> * ifilename) {
00028 <a class="code" href="class_s_w_config.html#m0">filename</a> = ifilename;
00029 <a class="code" href="class_s_w_config.html#a2">Load</a>();
00030 }
00031
00032
00033 SWConfig::~SWConfig() {
00034 }
00035
00036
00037 <font class="keywordtype">char</font> SWConfig::getline(FILE *fp, string &line)
00038 {
00039 <font class="keywordtype">char</font> retval = 0;
00040 <font class="keywordtype">char</font> buf[255];
00041
00042 line = <font class="stringliteral">""</font>;
00043
00044 <font class="keywordflow">while</font> (fgets(buf, 254, fp)) {
00045 <font class="keywordflow">while</font> (buf[strlen(buf)-1] == <font class="charliteral">'\n'</font> || buf[strlen(buf)-1] == <font class="charliteral">'\r'</font>)
00046 buf[strlen(buf)-1] = 0;
00047
00048 <font class="keywordflow">if</font> (buf[strlen(buf)-1] == <font class="charliteral">'\\'</font>) {
00049 buf[strlen(buf)-1] = 0;
00050 line += buf;
00051 <font class="keywordflow">continue</font>;
00052 }
00053 line += buf;
00054
00055 <font class="keywordflow">if</font> (strlen(buf) < 253) {
00056 retval = 1;
00057 <font class="keywordflow">break</font>;
00058 }
00059 }
00060 <font class="keywordflow">return</font> retval;
00061 }
00062
00063
<a name="l00064"></a><a class="code" href="class_s_w_config.html#a2">00064</a> <font class="keywordtype">void</font> <a class="code" href="class_s_w_config.html#a2">SWConfig::Load</a>() {
00065 FILE *cfile;
00066 <font class="keywordtype">char</font> *buf, *data;
00067 string line;
00068 ConfigEntMap cursect;
00069 string sectname;
00070 <font class="keywordtype">bool</font> first = <font class="keyword">true</font>;
00071
00072 <a class="code" href="class_s_w_config.html#m1">Sections</a>.erase(<a class="code" href="class_s_w_config.html#m1">Sections</a>.begin(), <a class="code" href="class_s_w_config.html#m1">Sections</a>.end());
00073
00074 <font class="keywordflow">if</font> ((cfile = fopen(<a class="code" href="class_s_w_config.html#m0">filename</a>.c_str(), <font class="stringliteral">"r"</font>))) {
00075 <font class="keywordflow">while</font> (getline(cfile, line)) {
00076 buf = <font class="keyword">new</font> <font class="keywordtype">char</font> [ line.length() + 1 ];
00077 strcpy(buf, line.c_str());
00078 <font class="keywordflow">if</font> (*strstrip(buf) == <font class="charliteral">'['</font>) {
00079 <font class="keywordflow">if</font> (!first)
00080 <a class="code" href="class_s_w_config.html#m1">Sections</a>.insert(SectionMap::value_type(sectname, cursect));
00081 <font class="keywordflow">else</font> first = <font class="keyword">false</font>;
00082
00083 cursect.erase(cursect.begin(), cursect.end());
00084
00085 strtok(buf, <font class="stringliteral">"]"</font>);
00086 sectname = buf+1;
00087 }
00088 <font class="keywordflow">else</font> {
00089 strtok(buf, <font class="stringliteral">"="</font>);
00090 <font class="keywordflow">if</font> ((*buf) && (*buf != <font class="charliteral">'='</font>)) {
00091 <font class="keywordflow">if</font> ((data = strtok(NULL, <font class="stringliteral">""</font>)))
00092 cursect.insert(ConfigEntMap::value_type(buf, strstrip(data)));
00093 <font class="keywordflow">else</font> cursect.insert(ConfigEntMap::value_type(buf, <font class="stringliteral">""</font>));
00094 }
00095 }
00096 <font class="keyword">delete</font> [] buf;
00097 }
00098 <font class="keywordflow">if</font> (!first)
00099 <a class="code" href="class_s_w_config.html#m1">Sections</a>.insert(SectionMap::value_type(sectname, cursect));
00100
00101 fclose(cfile);
00102 }
00103 }
00104
00105
<a name="l00106"></a><a class="code" href="class_s_w_config.html#a3">00106</a> <font class="keywordtype">void</font> <a class="code" href="class_s_w_config.html#a3">SWConfig::Save</a>() {
00107 FILE *cfile;
00108 string buf;
00109 SectionMap::iterator sit;
00110 ConfigEntMap::iterator entry;
00111 string sectname;
00112
00113 <font class="keywordflow">if</font> ((cfile = fopen(<a class="code" href="class_s_w_config.html#m0">filename</a>.c_str(), <font class="stringliteral">"w"</font>))) {
00114
00115 <font class="keywordflow">for</font> (sit = <a class="code" href="class_s_w_config.html#m1">Sections</a>.begin(); sit != <a class="code" href="class_s_w_config.html#m1">Sections</a>.end(); sit++) {
00116 buf = <font class="stringliteral">"\n["</font>;
00117 buf += (*sit).first.c_str();
00118 buf += <font class="stringliteral">"]\n"</font>;
00119 fputs(buf.c_str(), cfile);
00120 <font class="keywordflow">for</font> (entry = (*sit).second.begin(); entry != (*sit).second.end(); entry++) {
00121 buf = (*entry).first.c_str();
00122 buf += <font class="stringliteral">"="</font>;
00123 buf += (*entry).second.c_str();
00124 buf += <font class="stringliteral">"\n"</font>;
00125 fputs(buf.c_str(), cfile);
00126 }
00127 }
00128 fputs(<font class="stringliteral">"\n"</font>, cfile); <font class="comment">// so getline will find last line</font>
00129 fclose(cfile);
00130 }
00131 }
00132
00133
<a name="l00134"></a><a class="code" href="class_s_w_config.html#a4">00134</a> <a class="code" href="class_s_w_config.html">SWConfig</a> &<a class="code" href="class_s_w_config.html#a4">SWConfig::operator +=</a>(<a class="code" href="class_s_w_config.html">SWConfig</a> &addFrom)
00135 {
00136
00137 SectionMap::iterator section;
00138 ConfigEntMap::iterator entry, start, end;
00139
00140 <font class="keywordflow">for</font> (section = addFrom.<a class="code" href="class_s_w_config.html#m1">Sections</a>.begin(); section != addFrom.<a class="code" href="class_s_w_config.html#m1">Sections</a>.end(); section++) {
00141 <font class="keywordflow">for</font> (entry = (*section).second.begin(); entry != (*section).second.end(); entry++) {
00142 start = <a class="code" href="class_s_w_config.html#m1">Sections</a>[section->first].lower_bound(entry->first);
00143 end = <a class="code" href="class_s_w_config.html#m1">Sections</a>[section->first].upper_bound(entry->first);
00144 <font class="keywordflow">if</font> (start != end) {
00145 <font class="keywordflow">if</font> (((++start) != end)
00146 || ((++(addFrom.<a class="code" href="class_s_w_config.html#m1">Sections</a>[section->first].lower_bound(entry->first))) != addFrom.<a class="code" href="class_s_w_config.html#m1">Sections</a>[section->first].upper_bound(entry->first))) {
00147 <font class="keywordflow">for</font> (--start; start != end; start++) {
00148 <font class="keywordflow">if</font> (!strcmp(start->second.c_str(), entry->second.c_str()))
00149 <font class="keywordflow">break</font>;
00150 }
00151 <font class="keywordflow">if</font> (start == end)
00152 <a class="code" href="class_s_w_config.html#m1">Sections</a>[(*section).first].insert(ConfigEntMap::value_type((*entry).first, (*entry).second));
00153 }
00154 <font class="keywordflow">else</font> <a class="code" href="class_s_w_config.html#m1">Sections</a>[section->first][entry->first.c_str()] = entry->second.c_str();
00155 }
00156 <font class="keywordflow">else</font> <a class="code" href="class_s_w_config.html#m1">Sections</a>[section->first][entry->first.c_str()] = entry->second.c_str();
00157 }
00158 }
00159 <font class="keywordflow">return</font> *<font class="keyword">this</font>;
00160 }
00161
00162
<a name="l00163"></a><a class="code" href="class_s_w_config.html#a5">00163</a> ConfigEntMap & <a class="code" href="class_s_w_config.html#a5">SWConfig::operator [] </a>(<font class="keyword">const</font> <font class="keywordtype">char</font> *section) {
00164 <font class="keywordflow">return</font> <a class="code" href="class_s_w_config.html#m1">Sections</a>[section];
00165 }
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