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<h1>src/utils.cpp</h1><a href="utils_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// $Id: utils.cpp,v 1.26 2002/07/02 22:04:36 t1mpy Exp $</span>
<a name="l00002"></a>00002
<a name="l00003"></a>00003 <span class="comment">// id3lib: a C++ library for creating and manipulating id3v1/v2 tags</span>
<a name="l00004"></a>00004 <span class="comment">// Copyright 1999, 2000 Scott Thomas Haug</span>
<a name="l00005"></a>00005
<a name="l00006"></a>00006 <span class="comment">// This library is free software; you can redistribute it and/or modify it</span>
<a name="l00007"></a>00007 <span class="comment">// under the terms of the GNU Library General Public License as published by</span>
<a name="l00008"></a>00008 <span class="comment">// the Free Software Foundation; either version 2 of the License, or (at your</span>
<a name="l00009"></a>00009 <span class="comment">// option) any later version.</span>
<a name="l00010"></a>00010 <span class="comment">//</span>
<a name="l00011"></a>00011 <span class="comment">// This library is distributed in the hope that it will be useful, but WITHOUT</span>
<a name="l00012"></a>00012 <span class="comment">// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or</span>
<a name="l00013"></a>00013 <span class="comment">// FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public</span>
<a name="l00014"></a>00014 <span class="comment">// License for more details.</span>
<a name="l00015"></a>00015 <span class="comment">//</span>
<a name="l00016"></a>00016 <span class="comment">// You should have received a copy of the GNU Library General Public License</span>
<a name="l00017"></a>00017 <span class="comment">// along with this library; if not, write to the Free Software Foundation,</span>
<a name="l00018"></a>00018 <span class="comment">// Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.</span>
<a name="l00019"></a>00019
<a name="l00020"></a>00020 <span class="comment">// The id3lib authors encourage improvements and optimisations to be sent to</span>
<a name="l00021"></a>00021 <span class="comment">// the id3lib coordinator. Please see the README file for details on where to</span>
<a name="l00022"></a>00022 <span class="comment">// send such submissions. See the AUTHORS file for a list of people who have</span>
<a name="l00023"></a>00023 <span class="comment">// contributed to id3lib. See the ChangeLog file for a list of changes to</span>
<a name="l00024"></a>00024 <span class="comment">// id3lib. These files are distributed with id3lib at</span>
<a name="l00025"></a>00025 <span class="comment">// http://download.sourceforge.net/id3lib/</span>
<a name="l00026"></a>00026
<a name="l00027"></a>00027 <span class="preprocessor">#include <ctype.h></span>
<a name="l00028"></a>00028
<a name="l00029"></a>00029 <span class="preprocessor">#if (defined(__GNUC__) && __GNUC__ == 2)</span>
<a name="l00030"></a>00030 <span class="preprocessor"></span><span class="preprocessor">#define NOCREATE ios::nocreate</span>
<a name="l00031"></a>00031 <span class="preprocessor"></span><span class="preprocessor">#else</span>
<a name="l00032"></a>00032 <span class="preprocessor"></span><span class="preprocessor">#if defined(macintosh) //not sure if this is still needed</span>
<a name="l00033"></a>00033 <span class="preprocessor"></span><span class="preprocessor">#define toascii(X) (X) //not sure if this is still needed</span>
<a name="l00034"></a>00034 <span class="preprocessor"></span><span class="preprocessor">#endif //not sure if this is still needed</span>
<a name="l00035"></a><a class="code" href="utils_8cpp.html#affbf788e81e1c1ebc89b8b761f627d2a">00035</a> <span class="preprocessor"></span><span class="preprocessor">#define NOCREATE ((std::ios_base::openmode)0)</span>
<a name="l00036"></a>00036 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00037"></a>00037 <span class="preprocessor"></span>
<a name="l00038"></a>00038 <span class="preprocessor">#include "id3/utils.h"</span> <span class="comment">// has <config.h> "id3/id3lib_streams.h" "id3/globals.h" "id3/id3lib_strings.h"</span>
<a name="l00039"></a>00039
<a name="l00040"></a>00040 <span class="preprocessor">#if defined HAVE_ICONV_H</span>
<a name="l00041"></a>00041 <span class="preprocessor"></span><span class="comment">// check if we have all unicodes</span>
<a name="l00042"></a>00042 <span class="preprocessor">#if (defined(ID3_ICONV_FORMAT_UTF16BE) && defined(ID3_ICONV_FORMAT_UTF16) && defined(ID3_ICONV_FORMAT_UTF8) && defined(ID3_ICONV_FORMAT_ASCII))</span>
<a name="l00043"></a>00043 <span class="preprocessor"></span><span class="preprocessor"># include <iconv.h></span>
<a name="l00044"></a>00044 <span class="preprocessor"># include <errno.h></span>
<a name="l00045"></a>00045 <span class="preprocessor">#else</span>
<a name="l00046"></a>00046 <span class="preprocessor"></span><span class="preprocessor"># undef HAVE_ICONV_H</span>
<a name="l00047"></a>00047 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00048"></a>00048 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00049"></a>00049 <span class="preprocessor"></span>
<a name="l00050"></a>00050 <span class="comment">// converts an ASCII string into a Unicode one</span>
<a name="l00051"></a><a class="code" href="utils_8cpp.html#a0e01d3e2d6be776f9b83cfe7b7fdf97d">00051</a> dami::String <a class="code" href="utils_8cpp.html#a0e01d3e2d6be776f9b83cfe7b7fdf97d">mbstoucs</a>(dami::String data)
<a name="l00052"></a>00052 {
<a name="l00053"></a>00053 <span class="keywordtype">size_t</span> size = data.size();
<a name="l00054"></a>00054 dami::String unicode(size * 2, <span class="charliteral">'\0'</span>);
<a name="l00055"></a>00055 <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; i < size; ++i)
<a name="l00056"></a>00056 {
<a name="l00057"></a>00057 unicode[i*2+1] = toascii(data[i]);
<a name="l00058"></a>00058 }
<a name="l00059"></a>00059 <span class="keywordflow">return</span> unicode;
<a name="l00060"></a>00060 }
<a name="l00061"></a>00061
<a name="l00062"></a>00062 <span class="comment">// converts a Unicode string into ASCII</span>
<a name="l00063"></a><a class="code" href="utils_8cpp.html#a0138709c0ce05a6d990eb356abec5380">00063</a> dami::String <a class="code" href="utils_8cpp.html#a0138709c0ce05a6d990eb356abec5380">ucstombs</a>(dami::String data)
<a name="l00064"></a>00064 {
<a name="l00065"></a>00065 <span class="keywordtype">size_t</span> size = data.size() / 2;
<a name="l00066"></a>00066 dami::String ascii(size, <span class="charliteral">'\0'</span>);
<a name="l00067"></a>00067 <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; i < size; ++i)
<a name="l00068"></a>00068 {
<a name="l00069"></a>00069 ascii[i] = toascii(data[i*2+1]);
<a name="l00070"></a>00070 }
<a name="l00071"></a>00071 <span class="keywordflow">return</span> ascii;
<a name="l00072"></a>00072 }
<a name="l00073"></a>00073
<a name="l00074"></a><a class="code" href="utils_8cpp.html#a2a704b2d0ecf4146945ff0dd476090c0">00074</a> dami::String <a class="code" href="utils_8cpp.html#a2a704b2d0ecf4146945ff0dd476090c0">oldconvert</a>(dami::String data, <a class="code" href="globals_8h.html#a2a414b8e1666bd6dd8dce86cdcf74a39" title="Enumeration of the types of text encodings: ascii or unicode.">ID3_TextEnc</a> sourceEnc, <a class="code" href="globals_8h.html#a2a414b8e1666bd6dd8dce86cdcf74a39" title="Enumeration of the types of text encodings: ascii or unicode.">ID3_TextEnc</a> targetEnc)
<a name="l00075"></a>00075 {
<a name="l00076"></a>00076 dami::String target;
<a name="l00077"></a>00077 <span class="preprocessor">#define ID3_IS_ASCII(enc) ((enc) == ID3TE_ASCII || (enc) == ID3TE_ISO8859_1 || (enc) == ID3TE_UTF8)</span>
<a name="l00078"></a>00078 <span class="preprocessor"></span><span class="preprocessor">#define ID3_IS_UNICODE(enc) ((enc) == ID3TE_UNICODE || (enc) == ID3TE_UTF16 || (enc) == ID3TE_UTF16BE)</span>
<a name="l00079"></a>00079 <span class="preprocessor"></span> <span class="keywordflow">if</span> (<a class="code" href="utils_8cpp.html#a1bedbadd0267c5d5884e66ff1c6bfdf9">ID3_IS_ASCII</a>(sourceEnc) && <a class="code" href="utils_8cpp.html#acb550f0b3dc2208687ccc552bca6d508">ID3_IS_UNICODE</a>(targetEnc))
<a name="l00080"></a>00080 {
<a name="l00081"></a>00081 target = <a class="code" href="utils_8cpp.html#a0e01d3e2d6be776f9b83cfe7b7fdf97d">mbstoucs</a>(data);
<a name="l00082"></a>00082 }
<a name="l00083"></a>00083 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<a class="code" href="utils_8cpp.html#acb550f0b3dc2208687ccc552bca6d508">ID3_IS_UNICODE</a>(sourceEnc) && <a class="code" href="utils_8cpp.html#a1bedbadd0267c5d5884e66ff1c6bfdf9">ID3_IS_ASCII</a>(targetEnc))
<a name="l00084"></a>00084 {
<a name="l00085"></a>00085 target = <a class="code" href="utils_8cpp.html#a0138709c0ce05a6d990eb356abec5380">ucstombs</a>(data);
<a name="l00086"></a>00086 }
<a name="l00087"></a>00087 <span class="keywordflow">return</span> target;
<a name="l00088"></a>00088 }
<a name="l00089"></a>00089
<a name="l00090"></a>00090 <span class="keyword">using namespace </span>dami;
<a name="l00091"></a>00091
<a name="l00092"></a>00092 <span class="keywordtype">size_t</span> dami::renderNumber(<a class="code" href="globals_8h.html#a65f85814a8290f9797005d3b28e7e5fc">uchar</a> *buffer, uint32 val, <span class="keywordtype">size_t</span> size)
<a name="l00093"></a>00093 {
<a name="l00094"></a>00094 uint32 num = val;
<a name="l00095"></a>00095 <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; i < size; i++)
<a name="l00096"></a>00096 {
<a name="l00097"></a>00097 buffer[size - i - 1] = (<a class="code" href="globals_8h.html#a65f85814a8290f9797005d3b28e7e5fc">uchar</a>)(num & <a class="code" href="globals_8h.html#a0702746ecb6d016a15f759948f39ef69">MASK8</a>);
<a name="l00098"></a>00098 num >>= 8;
<a name="l00099"></a>00099 }
<a name="l00100"></a>00100 <span class="keywordflow">return</span> size;
<a name="l00101"></a>00101 }
<a name="l00102"></a>00102
<a name="l00103"></a>00103 String dami::renderNumber(uint32 val, <span class="keywordtype">size_t</span> size)
<a name="l00104"></a>00104 {
<a name="l00105"></a>00105 String str(size, <span class="charliteral">'\0'</span>);
<a name="l00106"></a>00106 uint32 num = val;
<a name="l00107"></a>00107 <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; i < size; i++)
<a name="l00108"></a>00108 {
<a name="l00109"></a>00109 str[size - i - 1] = (<a class="code" href="globals_8h.html#a65f85814a8290f9797005d3b28e7e5fc">uchar</a>)(num & <a class="code" href="globals_8h.html#a0702746ecb6d016a15f759948f39ef69">MASK8</a>);
<a name="l00110"></a>00110 num >>= 8;
<a name="l00111"></a>00111 }
<a name="l00112"></a>00112 <span class="keywordflow">return</span> str;
<a name="l00113"></a>00113 }
<a name="l00114"></a>00114
<a name="l00115"></a>00115
<a name="l00116"></a>00116 <span class="preprocessor">#if defined(HAVE_ICONV_H)</span>
<a name="l00117"></a>00117 <span class="preprocessor"></span>
<a name="l00118"></a>00118 <span class="keyword">namespace </span>
<a name="l00119"></a>00119 {
<a name="l00120"></a>00120 String convert_i(iconv_t cd, String source)
<a name="l00121"></a>00121 {
<a name="l00122"></a>00122 String target;
<a name="l00123"></a>00123 <span class="keywordtype">size_t</span> source_size = source.size();
<a name="l00124"></a>00124 <span class="preprocessor">#if defined(ID3LIB_ICONV_OLDSTYLE)</span>
<a name="l00125"></a>00125 <span class="preprocessor"></span> <span class="keyword">const</span> <span class="keywordtype">char</span>* source_str = source.data();
<a name="l00126"></a>00126 <span class="preprocessor">#else</span>
<a name="l00127"></a>00127 <span class="preprocessor"></span> <span class="keywordtype">char</span> *source_str = <span class="keyword">new</span> <span class="keywordtype">char</span>[source.size()+1];
<a name="l00128"></a>00128 source.copy(source_str, String::npos);
<a name="l00129"></a>00129 source_str[source.length()] = 0;
<a name="l00130"></a>00130 <span class="preprocessor">#endif</span>
<a name="l00131"></a>00131 <span class="preprocessor"></span>
<a name="l00132"></a>00132 <span class="preprocessor">#define ID3LIB_BUFSIZ 1024</span>
<a name="l00133"></a>00133 <span class="preprocessor"></span> <span class="keywordtype">char</span> buf[ID3LIB_BUFSIZ];
<a name="l00134"></a>00134 <span class="keywordtype">char</span>* target_str = buf;
<a name="l00135"></a>00135 <span class="keywordtype">size_t</span> target_size = ID3LIB_BUFSIZ;
<a name="l00136"></a>00136
<a name="l00137"></a>00137 <span class="keywordflow">do</span>
<a name="l00138"></a>00138 {
<a name="l00139"></a>00139 errno = 0;
<a name="l00140"></a>00140 <span class="keywordtype">size_t</span> nconv = iconv(cd,
<a name="l00141"></a>00141 &source_str, &source_size,
<a name="l00142"></a>00142 &target_str, &target_size);
<a name="l00143"></a>00143 <span class="keywordflow">if</span> (nconv == (<span class="keywordtype">size_t</span>) -1 && errno != EINVAL && errno != E2BIG)
<a name="l00144"></a>00144 {
<a name="l00145"></a>00145 <span class="comment">// errno is probably EILSEQ here, which means either an invalid byte sequence or a valid but unconvertible byte sequence </span>
<a name="l00146"></a>00146 <span class="keywordflow">return</span> target;
<a name="l00147"></a>00147 }
<a name="l00148"></a>00148 target.append(buf, ID3LIB_BUFSIZ - target_size);
<a name="l00149"></a>00149 target_str = buf;
<a name="l00150"></a>00150 target_size = ID3LIB_BUFSIZ;
<a name="l00151"></a>00151 }
<a name="l00152"></a>00152 <span class="keywordflow">while</span> (source_size > 0);
<a name="l00153"></a>00153 <span class="keywordflow">return</span> target;
<a name="l00154"></a>00154 }
<a name="l00155"></a>00155
<a name="l00156"></a>00156 <span class="keyword">const</span> <span class="keywordtype">char</span>* getFormat(<a class="code" href="globals_8h.html#a2a414b8e1666bd6dd8dce86cdcf74a39" title="Enumeration of the types of text encodings: ascii or unicode.">ID3_TextEnc</a> enc)
<a name="l00157"></a>00157 {
<a name="l00158"></a>00158 <span class="keyword">const</span> <span class="keywordtype">char</span>* format = <a class="code" href="globals_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;
<a name="l00159"></a>00159 <span class="keywordflow">switch</span> (enc)
<a name="l00160"></a>00160 {
<a name="l00161"></a>00161 <span class="keywordflow">case</span> <a class="code" href="globals_8h.html#a2a414b8e1666bd6dd8dce86cdcf74a39aad49ff1fa495df3aaca00c18a3302ea9">ID3TE_ASCII</a>:
<a name="l00162"></a>00162 format = ID3_ICONV_FORMAT_ASCII;
<a name="l00163"></a>00163 <span class="keywordflow">break</span>;
<a name="l00164"></a>00164
<a name="l00165"></a>00165 <span class="keywordflow">case</span> <a class="code" href="globals_8h.html#a2a414b8e1666bd6dd8dce86cdcf74a39a6ec665ffdb068dff46d4451978d2c231">ID3TE_UTF16</a>:
<a name="l00166"></a>00166 format = ID3_ICONV_FORMAT_UTF16;
<a name="l00167"></a>00167 <span class="keywordflow">break</span>;
<a name="l00168"></a>00168
<a name="l00169"></a>00169 <span class="keywordflow">case</span> <a class="code" href="globals_8h.html#a2a414b8e1666bd6dd8dce86cdcf74a39a3149a05a7cb69316120eee63a628c65e">ID3TE_UTF16BE</a>:
<a name="l00170"></a>00170 format = ID3_ICONV_FORMAT_UTF16BE;
<a name="l00171"></a>00171 <span class="keywordflow">break</span>;
<a name="l00172"></a>00172
<a name="l00173"></a>00173 <span class="keywordflow">case</span> <a class="code" href="globals_8h.html#a2a414b8e1666bd6dd8dce86cdcf74a39afdca2e0449149a934ab557a60461d459">ID3TE_UTF8</a>:
<a name="l00174"></a>00174 format = ID3_ICONV_FORMAT_UTF8;
<a name="l00175"></a>00175 <span class="keywordflow">break</span>;
<a name="l00176"></a>00176
<a name="l00177"></a>00177 <span class="keywordflow">default</span>:
<a name="l00178"></a>00178 <span class="keywordflow">break</span>;
<a name="l00179"></a>00179 }
<a name="l00180"></a>00180 <span class="keywordflow">return</span> format;
<a name="l00181"></a>00181 }
<a name="l00182"></a>00182 }
<a name="l00183"></a>00183 <span class="preprocessor">#endif</span>
<a name="l00184"></a>00184 <span class="preprocessor"></span>
<a name="l00185"></a>00185 String dami::convert(String data, <a class="code" href="globals_8h.html#a2a414b8e1666bd6dd8dce86cdcf74a39" title="Enumeration of the types of text encodings: ascii or unicode.">ID3_TextEnc</a> sourceEnc, <a class="code" href="globals_8h.html#a2a414b8e1666bd6dd8dce86cdcf74a39" title="Enumeration of the types of text encodings: ascii or unicode.">ID3_TextEnc</a> targetEnc)
<a name="l00186"></a>00186 {
<a name="l00187"></a>00187 String target;
<a name="l00188"></a>00188 <span class="keywordflow">if</span> ((sourceEnc != targetEnc) && (data.size() > 0 ))
<a name="l00189"></a>00189 {
<a name="l00190"></a>00190 <span class="preprocessor">#if !defined HAVE_ICONV_H</span>
<a name="l00191"></a>00191 <span class="preprocessor"></span> target = <a class="code" href="utils_8cpp.html#a2a704b2d0ecf4146945ff0dd476090c0">oldconvert</a>(data, sourceEnc, targetEnc);
<a name="l00192"></a>00192 <span class="preprocessor">#else</span>
<a name="l00193"></a>00193 <span class="preprocessor"></span> <span class="keyword">const</span> <span class="keywordtype">char</span>* targetFormat = getFormat(targetEnc);
<a name="l00194"></a>00194 <span class="keyword">const</span> <span class="keywordtype">char</span>* sourceFormat = getFormat(sourceEnc);
<a name="l00195"></a>00195
<a name="l00196"></a>00196 iconv_t cd = iconv_open (targetFormat, sourceFormat);
<a name="l00197"></a>00197 <span class="keywordflow">if</span> (cd != (iconv_t) -1)
<a name="l00198"></a>00198 {
<a name="l00199"></a>00199 target = convert_i(cd, data);
<a name="l00200"></a>00200 <span class="keywordflow">if</span> (target.size() == 0)
<a name="l00201"></a>00201 {
<a name="l00202"></a>00202 <span class="comment">//try it without iconv</span>
<a name="l00203"></a>00203 target = <a class="code" href="utils_8cpp.html#a2a704b2d0ecf4146945ff0dd476090c0">oldconvert</a>(data, sourceEnc, targetEnc);
<a name="l00204"></a>00204 }
<a name="l00205"></a>00205 }
<a name="l00206"></a>00206 <span class="keywordflow">else</span>
<a name="l00207"></a>00207 {
<a name="l00208"></a>00208 target = <a class="code" href="utils_8cpp.html#a2a704b2d0ecf4146945ff0dd476090c0">oldconvert</a>(data, sourceEnc, targetEnc);
<a name="l00209"></a>00209 }
<a name="l00210"></a>00210 iconv_close (cd);
<a name="l00211"></a>00211 <span class="preprocessor">#endif</span>
<a name="l00212"></a>00212 <span class="preprocessor"></span> }
<a name="l00213"></a>00213 <span class="keywordflow">return</span> target;
<a name="l00214"></a>00214 }
<a name="l00215"></a>00215
<a name="l00216"></a>00216 <span class="keywordtype">size_t</span> dami::ucslen(<span class="keyword">const</span> <a class="code" href="globals_8h.html#a781c2cce7ea2af8192d5f83427044add">unicode_t</a> *unicode)
<a name="l00217"></a>00217 {
<a name="l00218"></a>00218 <span class="keywordflow">if</span> (<a class="code" href="globals_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a> != unicode)
<a name="l00219"></a>00219 {
<a name="l00220"></a>00220 <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> size = 0; <span class="keyword">true</span>; size++)
<a name="l00221"></a>00221 {
<a name="l00222"></a>00222 <span class="keywordflow">if</span> (<a class="code" href="globals_8h.html#adf2f9dc565f7cb248d7baf38c543376f">NULL_UNICODE</a> == unicode[size])
<a name="l00223"></a>00223 {
<a name="l00224"></a>00224 <span class="keywordflow">return</span> size;
<a name="l00225"></a>00225 }
<a name="l00226"></a>00226 }
<a name="l00227"></a>00227 }
<a name="l00228"></a>00228 <span class="keywordflow">return</span> 0;
<a name="l00229"></a>00229 }
<a name="l00230"></a>00230
<a name="l00231"></a>00231 <span class="keyword">namespace</span>
<a name="l00232"></a>00232 {
<a name="l00233"></a>00233 <span class="keywordtype">bool</span> exists(String name)
<a name="l00234"></a>00234 {
<a name="l00235"></a>00235 ifstream file(name.c_str(), <a class="code" href="utils_8cpp.html#affbf788e81e1c1ebc89b8b761f627d2a">NOCREATE</a>);
<a name="l00236"></a>00236 <span class="keywordflow">return</span> file.is_open() != 0;
<a name="l00237"></a>00237 }
<a name="l00238"></a>00238 };
<a name="l00239"></a>00239
<a name="l00240"></a>00240 <a class="code" href="globals_8h.html#a0b8e76d7ef771f36346f7e4e5ce3fa84" title="Predefined id3lib error types.">ID3_Err</a> dami::createFile(String name, fstream& file)
<a name="l00241"></a>00241 {
<a name="l00242"></a>00242 <span class="keywordflow">if</span> (file.is_open())
<a name="l00243"></a>00243 {
<a name="l00244"></a>00244 file.close();
<a name="l00245"></a>00245 }
<a name="l00246"></a>00246
<a name="l00247"></a>00247 file.open(name.c_str(), ios::in | ios::out | ios::binary | ios::trunc);
<a name="l00248"></a>00248 <span class="keywordflow">if</span> (!file)
<a name="l00249"></a>00249 {
<a name="l00250"></a>00250 <span class="keywordflow">return</span> <a class="code" href="globals_8h.html#a0b8e76d7ef771f36346f7e4e5ce3fa84a7e6f8e7c70f044bfbceca9b48ccc57d2" title="Attempting to write to a read-only file.">ID3E_ReadOnly</a>;
<a name="l00251"></a>00251 }
<a name="l00252"></a>00252
<a name="l00253"></a>00253 <span class="keywordflow">return</span> <a class="code" href="globals_8h.html#a0b8e76d7ef771f36346f7e4e5ce3fa84a92defcd73a15459b4e788cfef7b3f3eb" title="No error reported.">ID3E_NoError</a>;
<a name="l00254"></a>00254 }
<a name="l00255"></a>00255
<a name="l00256"></a>00256 <span class="keywordtype">size_t</span> dami::getFileSize(fstream& file)
<a name="l00257"></a>00257 {
<a name="l00258"></a>00258 <span class="keywordtype">size_t</span> size = 0;
<a name="l00259"></a>00259 <span class="keywordflow">if</span> (file.is_open())
<a name="l00260"></a>00260 {
<a name="l00261"></a>00261 streamoff curpos = file.tellg();
<a name="l00262"></a>00262 file.seekg(0, ios::end);
<a name="l00263"></a>00263 size = file.tellg();
<a name="l00264"></a>00264 file.seekg(curpos);
<a name="l00265"></a>00265 }
<a name="l00266"></a>00266 <span class="keywordflow">return</span> size;
<a name="l00267"></a>00267 }
<a name="l00268"></a>00268
<a name="l00269"></a>00269 <span class="keywordtype">size_t</span> dami::getFileSize(ifstream& file)
<a name="l00270"></a>00270 {
<a name="l00271"></a>00271 <span class="keywordtype">size_t</span> size = 0;
<a name="l00272"></a>00272 <span class="keywordflow">if</span> (file.is_open())
<a name="l00273"></a>00273 {
<a name="l00274"></a>00274 streamoff curpos = file.tellg();
<a name="l00275"></a>00275 file.seekg(0, ios::end);
<a name="l00276"></a>00276 size = file.tellg();
<a name="l00277"></a>00277 file.seekg(curpos);
<a name="l00278"></a>00278 }
<a name="l00279"></a>00279 <span class="keywordflow">return</span> size;
<a name="l00280"></a>00280 }
<a name="l00281"></a>00281
<a name="l00282"></a>00282 <span class="keywordtype">size_t</span> dami::getFileSize(ofstream& file)
<a name="l00283"></a>00283 {
<a name="l00284"></a>00284 <span class="keywordtype">size_t</span> size = 0;
<a name="l00285"></a>00285 <span class="keywordflow">if</span> (file.is_open())
<a name="l00286"></a>00286 {
<a name="l00287"></a>00287 streamoff curpos = file.tellp();
<a name="l00288"></a>00288 file.seekp(0, ios::end);
<a name="l00289"></a>00289 size = file.tellp();
<a name="l00290"></a>00290 file.seekp(curpos);
<a name="l00291"></a>00291 }
<a name="l00292"></a>00292 <span class="keywordflow">return</span> size;
<a name="l00293"></a>00293 }
<a name="l00294"></a>00294
<a name="l00295"></a>00295 <a class="code" href="globals_8h.html#a0b8e76d7ef771f36346f7e4e5ce3fa84" title="Predefined id3lib error types.">ID3_Err</a> dami::openWritableFile(String name, fstream& file)
<a name="l00296"></a>00296 {
<a name="l00297"></a>00297 <span class="keywordflow">if</span> (!exists(name))
<a name="l00298"></a>00298 {
<a name="l00299"></a>00299 <span class="keywordflow">return</span> <a class="code" href="globals_8h.html#a0b8e76d7ef771f36346f7e4e5ce3fa84affc3d5d6e2c9dcc6358ac0429795368f" title="No file to parse.">ID3E_NoFile</a>;
<a name="l00300"></a>00300 }
<a name="l00301"></a>00301
<a name="l00302"></a>00302 <span class="keywordflow">if</span> (file.is_open())
<a name="l00303"></a>00303 {
<a name="l00304"></a>00304 file.close();
<a name="l00305"></a>00305 }
<a name="l00306"></a>00306 file.open(name.c_str(), ios::in | ios::out | ios::binary | <a class="code" href="utils_8cpp.html#affbf788e81e1c1ebc89b8b761f627d2a">NOCREATE</a>);
<a name="l00307"></a>00307 <span class="keywordflow">if</span> (!file)
<a name="l00308"></a>00308 {
<a name="l00309"></a>00309 <span class="keywordflow">return</span> <a class="code" href="globals_8h.html#a0b8e76d7ef771f36346f7e4e5ce3fa84a7e6f8e7c70f044bfbceca9b48ccc57d2" title="Attempting to write to a read-only file.">ID3E_ReadOnly</a>;
<a name="l00310"></a>00310 }
<a name="l00311"></a>00311
<a name="l00312"></a>00312 <span class="keywordflow">return</span> <a class="code" href="globals_8h.html#a0b8e76d7ef771f36346f7e4e5ce3fa84a92defcd73a15459b4e788cfef7b3f3eb" title="No error reported.">ID3E_NoError</a>;
<a name="l00313"></a>00313 }
<a name="l00314"></a>00314
<a name="l00315"></a>00315 <a class="code" href="globals_8h.html#a0b8e76d7ef771f36346f7e4e5ce3fa84" title="Predefined id3lib error types.">ID3_Err</a> dami::openWritableFile(String name, ofstream& file)
<a name="l00316"></a>00316 {
<a name="l00317"></a>00317 <span class="keywordflow">if</span> (!exists(name))
<a name="l00318"></a>00318 {
<a name="l00319"></a>00319 <span class="keywordflow">return</span> <a class="code" href="globals_8h.html#a0b8e76d7ef771f36346f7e4e5ce3fa84affc3d5d6e2c9dcc6358ac0429795368f" title="No file to parse.">ID3E_NoFile</a>;
<a name="l00320"></a>00320 }
<a name="l00321"></a>00321
<a name="l00322"></a>00322 <span class="keywordflow">if</span> (file.is_open())
<a name="l00323"></a>00323 {
<a name="l00324"></a>00324 file.close();
<a name="l00325"></a>00325 }
<a name="l00326"></a>00326 file.open(name.c_str(), ios::in | ios::out | ios::binary | <a class="code" href="utils_8cpp.html#affbf788e81e1c1ebc89b8b761f627d2a">NOCREATE</a>);
<a name="l00327"></a>00327 <span class="keywordflow">if</span> (!file)
<a name="l00328"></a>00328 {
<a name="l00329"></a>00329 <span class="keywordflow">return</span> <a class="code" href="globals_8h.html#a0b8e76d7ef771f36346f7e4e5ce3fa84a7e6f8e7c70f044bfbceca9b48ccc57d2" title="Attempting to write to a read-only file.">ID3E_ReadOnly</a>;
<a name="l00330"></a>00330 }
<a name="l00331"></a>00331
<a name="l00332"></a>00332 <span class="keywordflow">return</span> <a class="code" href="globals_8h.html#a0b8e76d7ef771f36346f7e4e5ce3fa84a92defcd73a15459b4e788cfef7b3f3eb" title="No error reported.">ID3E_NoError</a>;
<a name="l00333"></a>00333 }
<a name="l00334"></a>00334
<a name="l00335"></a>00335 <a class="code" href="globals_8h.html#a0b8e76d7ef771f36346f7e4e5ce3fa84" title="Predefined id3lib error types.">ID3_Err</a> dami::openReadableFile(String name, fstream& file)
<a name="l00336"></a>00336 {
<a name="l00337"></a>00337 <span class="keywordflow">if</span> (file.is_open())
<a name="l00338"></a>00338 {
<a name="l00339"></a>00339 file.close();
<a name="l00340"></a>00340 }
<a name="l00341"></a>00341 file.open(name.c_str(), ios::in | ios::binary | <a class="code" href="utils_8cpp.html#affbf788e81e1c1ebc89b8b761f627d2a">NOCREATE</a>);
<a name="l00342"></a>00342 <span class="keywordflow">if</span> (!file)
<a name="l00343"></a>00343 {
<a name="l00344"></a>00344 <span class="keywordflow">return</span> <a class="code" href="globals_8h.html#a0b8e76d7ef771f36346f7e4e5ce3fa84affc3d5d6e2c9dcc6358ac0429795368f" title="No file to parse.">ID3E_NoFile</a>;
<a name="l00345"></a>00345 }
<a name="l00346"></a>00346
<a name="l00347"></a>00347 <span class="keywordflow">return</span> <a class="code" href="globals_8h.html#a0b8e76d7ef771f36346f7e4e5ce3fa84a92defcd73a15459b4e788cfef7b3f3eb" title="No error reported.">ID3E_NoError</a>;
<a name="l00348"></a>00348 }
<a name="l00349"></a>00349
<a name="l00350"></a>00350 <a class="code" href="globals_8h.html#a0b8e76d7ef771f36346f7e4e5ce3fa84" title="Predefined id3lib error types.">ID3_Err</a> dami::openReadableFile(String name, ifstream& file)
<a name="l00351"></a>00351 {
<a name="l00352"></a>00352 <span class="keywordflow">if</span> (file.is_open())
<a name="l00353"></a>00353 {
<a name="l00354"></a>00354 file.close();
<a name="l00355"></a>00355 }
<a name="l00356"></a>00356 file.open(name.c_str(), ios::in | ios::binary | <a class="code" href="utils_8cpp.html#affbf788e81e1c1ebc89b8b761f627d2a">NOCREATE</a>);
<a name="l00357"></a>00357 <span class="keywordflow">if</span> (!file)
<a name="l00358"></a>00358 {
<a name="l00359"></a>00359 <span class="keywordflow">return</span> <a class="code" href="globals_8h.html#a0b8e76d7ef771f36346f7e4e5ce3fa84affc3d5d6e2c9dcc6358ac0429795368f" title="No file to parse.">ID3E_NoFile</a>;
<a name="l00360"></a>00360 }
<a name="l00361"></a>00361
<a name="l00362"></a>00362 <span class="keywordflow">return</span> <a class="code" href="globals_8h.html#a0b8e76d7ef771f36346f7e4e5ce3fa84a92defcd73a15459b4e788cfef7b3f3eb" title="No error reported.">ID3E_NoError</a>;
<a name="l00363"></a>00363 }
<a name="l00364"></a>00364
<a name="l00365"></a>00365 String dami::toString(uint32 val)
<a name="l00366"></a>00366 {
<a name="l00367"></a>00367 <span class="keywordflow">if</span> (val == 0)
<a name="l00368"></a>00368 {
<a name="l00369"></a>00369 <span class="keywordflow">return</span> <span class="stringliteral">"0"</span>;
<a name="l00370"></a>00370 }
<a name="l00371"></a>00371 String text;
<a name="l00372"></a>00372 <span class="keywordflow">while</span> (val > 0)
<a name="l00373"></a>00373 {
<a name="l00374"></a>00374 String tmp;
<a name="l00375"></a>00375 <span class="keywordtype">char</span> ch = (val % 10) + <span class="charliteral">'0'</span>;
<a name="l00376"></a>00376 tmp += ch;
<a name="l00377"></a>00377 text = tmp + text;
<a name="l00378"></a>00378 val /= 10;
<a name="l00379"></a>00379 }
<a name="l00380"></a>00380 <span class="keywordflow">return</span> text;
<a name="l00381"></a>00381 }
<a name="l00382"></a>00382
<a name="l00383"></a>00383 WString dami::toWString(<span class="keyword">const</span> <a class="code" href="globals_8h.html#a781c2cce7ea2af8192d5f83427044add">unicode_t</a> buf[], <span class="keywordtype">size_t</span> len)
<a name="l00384"></a>00384 {
<a name="l00385"></a>00385 WString str;
<a name="l00386"></a>00386 str.reserve(len);
<a name="l00387"></a>00387
<a name="l00388"></a>00388 <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; i < len; ++i)
<a name="l00389"></a>00389 {
<a name="l00390"></a>00390 str += <span class="keyword">static_cast<</span>WString::value_type<span class="keyword">></span>(buf[i]);
<a name="l00391"></a>00391 }
<a name="l00392"></a>00392 <span class="keywordflow">return</span> str;
<a name="l00393"></a>00393 }
<a name="l00394"></a>00394
</pre></div></div>
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